/*
- * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
- * Copyright (c) 2002-2007, Professor Benoit Macq
+ * The copyright in this software is being made available under the 2-clauses
+ * BSD License, included below. This software may be subject to other third
+ * party and contributor rights, including patent rights, and no such rights
+ * are granted under this license.
+ *
+ * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
+ * Copyright (c) 2002-2014, Professor Benoit Macq
* Copyright (c) 2001-2003, David Janssens
* Copyright (c) 2002-2003, Yannick Verschueren
- * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
+ * Copyright (c) 2003-2007, Francois-Olivier Devaux
+ * Copyright (c) 2003-2014, Antonin Descampe
* Copyright (c) 2005, Herve Drolon, FreeImage Team
* Copyright (c) 2006-2007, Parvatha Elangovan
* All rights reserved.
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
-
-#ifdef OPJ_HAVE_LIBTIFF
-#include <tiffio.h>
-#endif /* OPJ_HAVE_LIBTIFF */
-
-#ifdef OPJ_HAVE_LIBPNG
-#include <zlib.h>
-#include <png.h>
-#endif /* OPJ_HAVE_LIBPNG */
+#include <limits.h>
#include "openjpeg.h"
#include "convert.h"
*
* log2(a)
*/
-static int int_floorlog2(int a) {
+static int int_floorlog2(int a)
+{
int l;
for (l = 0; a > 1; l++) {
a >>= 1;
return l;
}
+/* Component precision scaling */
+void clip_component(opj_image_comp_t* component, OPJ_UINT32 precision)
+{
+ OPJ_SIZE_T i;
+ OPJ_SIZE_T len;
+ OPJ_UINT32 umax = (OPJ_UINT32)((OPJ_INT32) - 1);
+
+ len = (OPJ_SIZE_T)component->w * (OPJ_SIZE_T)component->h;
+ if (precision < 32) {
+ umax = (1U << precision) - 1U;
+ }
+
+ if (component->sgnd) {
+ OPJ_INT32* l_data = component->data;
+ OPJ_INT32 max = (OPJ_INT32)(umax / 2U);
+ OPJ_INT32 min = -max - 1;
+ for (i = 0; i < len; ++i) {
+ if (l_data[i] > max) {
+ l_data[i] = max;
+ } else if (l_data[i] < min) {
+ l_data[i] = min;
+ }
+ }
+ } else {
+ OPJ_UINT32* l_data = (OPJ_UINT32*)component->data;
+ for (i = 0; i < len; ++i) {
+ if (l_data[i] > umax) {
+ l_data[i] = umax;
+ }
+ }
+ }
+ component->prec = precision;
+}
+
+/* Component precision scaling */
+static void scale_component_up(opj_image_comp_t* component,
+ OPJ_UINT32 precision)
+{
+ OPJ_SIZE_T i, len;
+
+ len = (OPJ_SIZE_T)component->w * (OPJ_SIZE_T)component->h;
+ if (component->sgnd) {
+ OPJ_INT64 newMax = (OPJ_INT64)(1U << (precision - 1));
+ OPJ_INT64 oldMax = (OPJ_INT64)(1U << (component->prec - 1));
+ OPJ_INT32* l_data = component->data;
+ for (i = 0; i < len; ++i) {
+ l_data[i] = (OPJ_INT32)(((OPJ_INT64)l_data[i] * newMax) / oldMax);
+ }
+ } else {
+ OPJ_UINT64 newMax = (OPJ_UINT64)((1U << precision) - 1U);
+ OPJ_UINT64 oldMax = (OPJ_UINT64)((1U << component->prec) - 1U);
+ OPJ_UINT32* l_data = (OPJ_UINT32*)component->data;
+ for (i = 0; i < len; ++i) {
+ l_data[i] = (OPJ_UINT32)(((OPJ_UINT64)l_data[i] * newMax) / oldMax);
+ }
+ }
+ component->prec = precision;
+ component->bpp = precision;
+}
+void scale_component(opj_image_comp_t* component, OPJ_UINT32 precision)
+{
+ int shift;
+ OPJ_SIZE_T i, len;
+
+ if (component->prec == precision) {
+ return;
+ }
+ if (component->prec < precision) {
+ scale_component_up(component, precision);
+ return;
+ }
+ shift = (int)(component->prec - precision);
+ len = (OPJ_SIZE_T)component->w * (OPJ_SIZE_T)component->h;
+ if (component->sgnd) {
+ OPJ_INT32* l_data = component->data;
+ for (i = 0; i < len; ++i) {
+ l_data[i] >>= shift;
+ }
+ } else {
+ OPJ_UINT32* l_data = (OPJ_UINT32*)component->data;
+ for (i = 0; i < len; ++i) {
+ l_data[i] >>= shift;
+ }
+ }
+ component->bpp = precision;
+ component->prec = precision;
+}
+
+
+/* planar / interleaved conversions */
+/* used by PNG/TIFF */
+static void convert_32s_C1P1(const OPJ_INT32* pSrc, OPJ_INT32* const* pDst,
+ OPJ_SIZE_T length)
+{
+ memcpy(pDst[0], pSrc, length * sizeof(OPJ_INT32));
+}
+static void convert_32s_C2P2(const OPJ_INT32* pSrc, OPJ_INT32* const* pDst,
+ OPJ_SIZE_T length)
+{
+ OPJ_SIZE_T i;
+ OPJ_INT32* pDst0 = pDst[0];
+ OPJ_INT32* pDst1 = pDst[1];
+
+ for (i = 0; i < length; i++) {
+ pDst0[i] = pSrc[2 * i + 0];
+ pDst1[i] = pSrc[2 * i + 1];
+ }
+}
+static void convert_32s_C3P3(const OPJ_INT32* pSrc, OPJ_INT32* const* pDst,
+ OPJ_SIZE_T length)
+{
+ OPJ_SIZE_T i;
+ OPJ_INT32* pDst0 = pDst[0];
+ OPJ_INT32* pDst1 = pDst[1];
+ OPJ_INT32* pDst2 = pDst[2];
+
+ for (i = 0; i < length; i++) {
+ pDst0[i] = pSrc[3 * i + 0];
+ pDst1[i] = pSrc[3 * i + 1];
+ pDst2[i] = pSrc[3 * i + 2];
+ }
+}
+static void convert_32s_C4P4(const OPJ_INT32* pSrc, OPJ_INT32* const* pDst,
+ OPJ_SIZE_T length)
+{
+ OPJ_SIZE_T i;
+ OPJ_INT32* pDst0 = pDst[0];
+ OPJ_INT32* pDst1 = pDst[1];
+ OPJ_INT32* pDst2 = pDst[2];
+ OPJ_INT32* pDst3 = pDst[3];
+
+ for (i = 0; i < length; i++) {
+ pDst0[i] = pSrc[4 * i + 0];
+ pDst1[i] = pSrc[4 * i + 1];
+ pDst2[i] = pSrc[4 * i + 2];
+ pDst3[i] = pSrc[4 * i + 3];
+ }
+}
+const convert_32s_CXPX convert_32s_CXPX_LUT[5] = {
+ NULL,
+ convert_32s_C1P1,
+ convert_32s_C2P2,
+ convert_32s_C3P3,
+ convert_32s_C4P4
+};
+
+static void convert_32s_P1C1(OPJ_INT32 const* const* pSrc, OPJ_INT32* pDst,
+ OPJ_SIZE_T length, OPJ_INT32 adjust)
+{
+ OPJ_SIZE_T i;
+ const OPJ_INT32* pSrc0 = pSrc[0];
+
+ for (i = 0; i < length; i++) {
+ pDst[i] = pSrc0[i] + adjust;
+ }
+}
+static void convert_32s_P2C2(OPJ_INT32 const* const* pSrc, OPJ_INT32* pDst,
+ OPJ_SIZE_T length, OPJ_INT32 adjust)
+{
+ OPJ_SIZE_T i;
+ const OPJ_INT32* pSrc0 = pSrc[0];
+ const OPJ_INT32* pSrc1 = pSrc[1];
+
+ for (i = 0; i < length; i++) {
+ pDst[2 * i + 0] = pSrc0[i] + adjust;
+ pDst[2 * i + 1] = pSrc1[i] + adjust;
+ }
+}
+static void convert_32s_P3C3(OPJ_INT32 const* const* pSrc, OPJ_INT32* pDst,
+ OPJ_SIZE_T length, OPJ_INT32 adjust)
+{
+ OPJ_SIZE_T i;
+ const OPJ_INT32* pSrc0 = pSrc[0];
+ const OPJ_INT32* pSrc1 = pSrc[1];
+ const OPJ_INT32* pSrc2 = pSrc[2];
+
+ for (i = 0; i < length; i++) {
+ pDst[3 * i + 0] = pSrc0[i] + adjust;
+ pDst[3 * i + 1] = pSrc1[i] + adjust;
+ pDst[3 * i + 2] = pSrc2[i] + adjust;
+ }
+}
+static void convert_32s_P4C4(OPJ_INT32 const* const* pSrc, OPJ_INT32* pDst,
+ OPJ_SIZE_T length, OPJ_INT32 adjust)
+{
+ OPJ_SIZE_T i;
+ const OPJ_INT32* pSrc0 = pSrc[0];
+ const OPJ_INT32* pSrc1 = pSrc[1];
+ const OPJ_INT32* pSrc2 = pSrc[2];
+ const OPJ_INT32* pSrc3 = pSrc[3];
+
+ for (i = 0; i < length; i++) {
+ pDst[4 * i + 0] = pSrc0[i] + adjust;
+ pDst[4 * i + 1] = pSrc1[i] + adjust;
+ pDst[4 * i + 2] = pSrc2[i] + adjust;
+ pDst[4 * i + 3] = pSrc3[i] + adjust;
+ }
+}
+const convert_32s_PXCX convert_32s_PXCX_LUT[5] = {
+ NULL,
+ convert_32s_P1C1,
+ convert_32s_P2C2,
+ convert_32s_P3C3,
+ convert_32s_P4C4
+};
+
+/* bit depth conversions */
+/* used by PNG/TIFF up to 8bpp */
+static void convert_1u32s_C1R(const OPJ_BYTE* pSrc, OPJ_INT32* pDst,
+ OPJ_SIZE_T length)
+{
+ OPJ_SIZE_T i;
+ for (i = 0; i < (length & ~(OPJ_SIZE_T)7U); i += 8U) {
+ OPJ_UINT32 val = *pSrc++;
+ pDst[i + 0] = (OPJ_INT32)(val >> 7);
+ pDst[i + 1] = (OPJ_INT32)((val >> 6) & 0x1U);
+ pDst[i + 2] = (OPJ_INT32)((val >> 5) & 0x1U);
+ pDst[i + 3] = (OPJ_INT32)((val >> 4) & 0x1U);
+ pDst[i + 4] = (OPJ_INT32)((val >> 3) & 0x1U);
+ pDst[i + 5] = (OPJ_INT32)((val >> 2) & 0x1U);
+ pDst[i + 6] = (OPJ_INT32)((val >> 1) & 0x1U);
+ pDst[i + 7] = (OPJ_INT32)(val & 0x1U);
+ }
+ if (length & 7U) {
+ OPJ_UINT32 val = *pSrc++;
+ length = length & 7U;
+ pDst[i + 0] = (OPJ_INT32)(val >> 7);
+
+ if (length > 1U) {
+ pDst[i + 1] = (OPJ_INT32)((val >> 6) & 0x1U);
+ if (length > 2U) {
+ pDst[i + 2] = (OPJ_INT32)((val >> 5) & 0x1U);
+ if (length > 3U) {
+ pDst[i + 3] = (OPJ_INT32)((val >> 4) & 0x1U);
+ if (length > 4U) {
+ pDst[i + 4] = (OPJ_INT32)((val >> 3) & 0x1U);
+ if (length > 5U) {
+ pDst[i + 5] = (OPJ_INT32)((val >> 2) & 0x1U);
+ if (length > 6U) {
+ pDst[i + 6] = (OPJ_INT32)((val >> 1) & 0x1U);
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+}
+static void convert_2u32s_C1R(const OPJ_BYTE* pSrc, OPJ_INT32* pDst,
+ OPJ_SIZE_T length)
+{
+ OPJ_SIZE_T i;
+ for (i = 0; i < (length & ~(OPJ_SIZE_T)3U); i += 4U) {
+ OPJ_UINT32 val = *pSrc++;
+ pDst[i + 0] = (OPJ_INT32)(val >> 6);
+ pDst[i + 1] = (OPJ_INT32)((val >> 4) & 0x3U);
+ pDst[i + 2] = (OPJ_INT32)((val >> 2) & 0x3U);
+ pDst[i + 3] = (OPJ_INT32)(val & 0x3U);
+ }
+ if (length & 3U) {
+ OPJ_UINT32 val = *pSrc++;
+ length = length & 3U;
+ pDst[i + 0] = (OPJ_INT32)(val >> 6);
+
+ if (length > 1U) {
+ pDst[i + 1] = (OPJ_INT32)((val >> 4) & 0x3U);
+ if (length > 2U) {
+ pDst[i + 2] = (OPJ_INT32)((val >> 2) & 0x3U);
+
+ }
+ }
+ }
+}
+static void convert_4u32s_C1R(const OPJ_BYTE* pSrc, OPJ_INT32* pDst,
+ OPJ_SIZE_T length)
+{
+ OPJ_SIZE_T i;
+ for (i = 0; i < (length & ~(OPJ_SIZE_T)1U); i += 2U) {
+ OPJ_UINT32 val = *pSrc++;
+ pDst[i + 0] = (OPJ_INT32)(val >> 4);
+ pDst[i + 1] = (OPJ_INT32)(val & 0xFU);
+ }
+ if (length & 1U) {
+ OPJ_UINT8 val = *pSrc++;
+ pDst[i + 0] = (OPJ_INT32)(val >> 4);
+ }
+}
+static void convert_6u32s_C1R(const OPJ_BYTE* pSrc, OPJ_INT32* pDst,
+ OPJ_SIZE_T length)
+{
+ OPJ_SIZE_T i;
+ for (i = 0; i < (length & ~(OPJ_SIZE_T)3U); i += 4U) {
+ OPJ_UINT32 val0 = *pSrc++;
+ OPJ_UINT32 val1 = *pSrc++;
+ OPJ_UINT32 val2 = *pSrc++;
+ pDst[i + 0] = (OPJ_INT32)(val0 >> 2);
+ pDst[i + 1] = (OPJ_INT32)(((val0 & 0x3U) << 4) | (val1 >> 4));
+ pDst[i + 2] = (OPJ_INT32)(((val1 & 0xFU) << 2) | (val2 >> 6));
+ pDst[i + 3] = (OPJ_INT32)(val2 & 0x3FU);
+
+ }
+ if (length & 3U) {
+ OPJ_UINT32 val0 = *pSrc++;
+ length = length & 3U;
+ pDst[i + 0] = (OPJ_INT32)(val0 >> 2);
+
+ if (length > 1U) {
+ OPJ_UINT32 val1 = *pSrc++;
+ pDst[i + 1] = (OPJ_INT32)(((val0 & 0x3U) << 4) | (val1 >> 4));
+ if (length > 2U) {
+ OPJ_UINT32 val2 = *pSrc++;
+ pDst[i + 2] = (OPJ_INT32)(((val1 & 0xFU) << 2) | (val2 >> 6));
+ }
+ }
+ }
+}
+static void convert_8u32s_C1R(const OPJ_BYTE* pSrc, OPJ_INT32* pDst,
+ OPJ_SIZE_T length)
+{
+ OPJ_SIZE_T i;
+ for (i = 0; i < length; i++) {
+ pDst[i] = pSrc[i];
+ }
+}
+const convert_XXx32s_C1R convert_XXu32s_C1R_LUT[9] = {
+ NULL,
+ convert_1u32s_C1R,
+ convert_2u32s_C1R,
+ NULL,
+ convert_4u32s_C1R,
+ NULL,
+ convert_6u32s_C1R,
+ NULL,
+ convert_8u32s_C1R
+};
+
+
+static void convert_32s1u_C1R(const OPJ_INT32* pSrc, OPJ_BYTE* pDst,
+ OPJ_SIZE_T length)
+{
+ OPJ_SIZE_T i;
+ for (i = 0; i < (length & ~(OPJ_SIZE_T)7U); i += 8U) {
+ OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i + 0];
+ OPJ_UINT32 src1 = (OPJ_UINT32)pSrc[i + 1];
+ OPJ_UINT32 src2 = (OPJ_UINT32)pSrc[i + 2];
+ OPJ_UINT32 src3 = (OPJ_UINT32)pSrc[i + 3];
+ OPJ_UINT32 src4 = (OPJ_UINT32)pSrc[i + 4];
+ OPJ_UINT32 src5 = (OPJ_UINT32)pSrc[i + 5];
+ OPJ_UINT32 src6 = (OPJ_UINT32)pSrc[i + 6];
+ OPJ_UINT32 src7 = (OPJ_UINT32)pSrc[i + 7];
+
+ *pDst++ = (OPJ_BYTE)((src0 << 7) | (src1 << 6) | (src2 << 5) | (src3 << 4) |
+ (src4 << 3) | (src5 << 2) | (src6 << 1) | src7);
+ }
+
+ if (length & 7U) {
+ OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i + 0];
+ OPJ_UINT32 src1 = 0U;
+ OPJ_UINT32 src2 = 0U;
+ OPJ_UINT32 src3 = 0U;
+ OPJ_UINT32 src4 = 0U;
+ OPJ_UINT32 src5 = 0U;
+ OPJ_UINT32 src6 = 0U;
+ length = length & 7U;
+
+ if (length > 1U) {
+ src1 = (OPJ_UINT32)pSrc[i + 1];
+ if (length > 2U) {
+ src2 = (OPJ_UINT32)pSrc[i + 2];
+ if (length > 3U) {
+ src3 = (OPJ_UINT32)pSrc[i + 3];
+ if (length > 4U) {
+ src4 = (OPJ_UINT32)pSrc[i + 4];
+ if (length > 5U) {
+ src5 = (OPJ_UINT32)pSrc[i + 5];
+ if (length > 6U) {
+ src6 = (OPJ_UINT32)pSrc[i + 6];
+ }
+ }
+ }
+ }
+ }
+ }
+ *pDst++ = (OPJ_BYTE)((src0 << 7) | (src1 << 6) | (src2 << 5) | (src3 << 4) |
+ (src4 << 3) | (src5 << 2) | (src6 << 1));
+ }
+}
+
+static void convert_32s2u_C1R(const OPJ_INT32* pSrc, OPJ_BYTE* pDst,
+ OPJ_SIZE_T length)
+{
+ OPJ_SIZE_T i;
+ for (i = 0; i < (length & ~(OPJ_SIZE_T)3U); i += 4U) {
+ OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i + 0];
+ OPJ_UINT32 src1 = (OPJ_UINT32)pSrc[i + 1];
+ OPJ_UINT32 src2 = (OPJ_UINT32)pSrc[i + 2];
+ OPJ_UINT32 src3 = (OPJ_UINT32)pSrc[i + 3];
+
+ *pDst++ = (OPJ_BYTE)((src0 << 6) | (src1 << 4) | (src2 << 2) | src3);
+ }
+
+ if (length & 3U) {
+ OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i + 0];
+ OPJ_UINT32 src1 = 0U;
+ OPJ_UINT32 src2 = 0U;
+ length = length & 3U;
+
+ if (length > 1U) {
+ src1 = (OPJ_UINT32)pSrc[i + 1];
+ if (length > 2U) {
+ src2 = (OPJ_UINT32)pSrc[i + 2];
+ }
+ }
+ *pDst++ = (OPJ_BYTE)((src0 << 6) | (src1 << 4) | (src2 << 2));
+ }
+}
+
+static void convert_32s4u_C1R(const OPJ_INT32* pSrc, OPJ_BYTE* pDst,
+ OPJ_SIZE_T length)
+{
+ OPJ_SIZE_T i;
+ for (i = 0; i < (length & ~(OPJ_SIZE_T)1U); i += 2U) {
+ OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i + 0];
+ OPJ_UINT32 src1 = (OPJ_UINT32)pSrc[i + 1];
+
+ *pDst++ = (OPJ_BYTE)((src0 << 4) | src1);
+ }
+
+ if (length & 1U) {
+ OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i + 0];
+ *pDst++ = (OPJ_BYTE)((src0 << 4));
+ }
+}
+
+static void convert_32s6u_C1R(const OPJ_INT32* pSrc, OPJ_BYTE* pDst,
+ OPJ_SIZE_T length)
+{
+ OPJ_SIZE_T i;
+ for (i = 0; i < (length & ~(OPJ_SIZE_T)3U); i += 4U) {
+ OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i + 0];
+ OPJ_UINT32 src1 = (OPJ_UINT32)pSrc[i + 1];
+ OPJ_UINT32 src2 = (OPJ_UINT32)pSrc[i + 2];
+ OPJ_UINT32 src3 = (OPJ_UINT32)pSrc[i + 3];
+
+ *pDst++ = (OPJ_BYTE)((src0 << 2) | (src1 >> 4));
+ *pDst++ = (OPJ_BYTE)(((src1 & 0xFU) << 4) | (src2 >> 2));
+ *pDst++ = (OPJ_BYTE)(((src2 & 0x3U) << 6) | src3);
+ }
+
+ if (length & 3U) {
+ OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i + 0];
+ OPJ_UINT32 src1 = 0U;
+ OPJ_UINT32 src2 = 0U;
+ length = length & 3U;
+
+ if (length > 1U) {
+ src1 = (OPJ_UINT32)pSrc[i + 1];
+ if (length > 2U) {
+ src2 = (OPJ_UINT32)pSrc[i + 2];
+ }
+ }
+ *pDst++ = (OPJ_BYTE)((src0 << 2) | (src1 >> 4));
+ if (length > 1U) {
+ *pDst++ = (OPJ_BYTE)(((src1 & 0xFU) << 4) | (src2 >> 2));
+ if (length > 2U) {
+ *pDst++ = (OPJ_BYTE)(((src2 & 0x3U) << 6));
+ }
+ }
+ }
+}
+static void convert_32s8u_C1R(const OPJ_INT32* pSrc, OPJ_BYTE* pDst,
+ OPJ_SIZE_T length)
+{
+ OPJ_SIZE_T i;
+ for (i = 0; i < length; ++i) {
+ pDst[i] = (OPJ_BYTE)pSrc[i];
+ }
+}
+const convert_32sXXx_C1R convert_32sXXu_C1R_LUT[9] = {
+ NULL,
+ convert_32s1u_C1R,
+ convert_32s2u_C1R,
+ NULL,
+ convert_32s4u_C1R,
+ NULL,
+ convert_32s6u_C1R,
+ NULL,
+ convert_32s8u_C1R
+};
+
/* -->> -->> -->> -->>
TGA IMAGE FORMAT
#ifdef INFORMATION_ONLY
/* TGA header definition. */
-struct tga_header
-{
+struct tga_header {
unsigned char id_length; /* Image id field length */
unsigned char colour_map_type; /* Colour map type */
unsigned char image_type; /* Image type */
};
#endif /* INFORMATION_ONLY */
-static unsigned short get_ushort(unsigned short val) {
-
-#ifdef OPJ_BIG_ENDIAN
- return( ((val & 0xff) << 8) + (val >> 8) );
-#else
- return( val );
-#endif
-
+/* Returns a ushort from a little-endian serialized value */
+static unsigned short get_tga_ushort(const unsigned char *data)
+{
+ return (unsigned short)(data[0] | (data[1] << 8));
}
#define TGA_HEADER_SIZE 18
-static int tga_readheader(FILE *fp, unsigned int *bits_per_pixel,
+static int tga_readheader(FILE *fp, unsigned int *bits_per_pixel,
unsigned int *width, unsigned int *height, int *flip_image)
{
int palette_size;
- unsigned char *tga ;
+ unsigned char tga[TGA_HEADER_SIZE];
unsigned char id_len, /*cmap_type,*/ image_type;
unsigned char pixel_depth, image_desc;
unsigned short /*cmap_index,*/ cmap_len, cmap_entry_size;
unsigned short /*x_origin, y_origin,*/ image_w, image_h;
- if (!bits_per_pixel || !width || !height || !flip_image)
+ if (!bits_per_pixel || !width || !height || !flip_image) {
return 0;
- tga = (unsigned char*)malloc(18);
+ }
- if ( fread(tga, TGA_HEADER_SIZE, 1, fp) != 1 )
- {
- fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
+ if (fread(tga, TGA_HEADER_SIZE, 1, fp) != 1) {
+ fprintf(stderr,
+ "\nError: fread return a number of element different from the expected.\n");
return 0 ;
}
- id_len = (unsigned char)tga[0];
- /*cmap_type = (unsigned char)tga[1];*/
- image_type = (unsigned char)tga[2];
- /*cmap_index = get_ushort(*(unsigned short*)(&tga[3]));*/
- cmap_len = get_ushort(*(unsigned short*)(&tga[5]));
- cmap_entry_size = (unsigned char)tga[7];
+ id_len = tga[0];
+ /*cmap_type = tga[1];*/
+ image_type = tga[2];
+ /*cmap_index = get_tga_ushort(&tga[3]);*/
+ cmap_len = get_tga_ushort(&tga[5]);
+ cmap_entry_size = tga[7];
#if 0
- x_origin = get_ushort(*(unsigned short*)(&tga[8]));
- y_origin = get_ushort(*(unsigned short*)(&tga[10]));
+ x_origin = get_tga_ushort(&tga[8]);
+ y_origin = get_tga_ushort(&tga[10]);
#endif
- image_w = get_ushort(*(unsigned short*)(&tga[12]));
- image_h = get_ushort(*(unsigned short*)(&tga[14]));
- pixel_depth = (unsigned char)tga[16];
- image_desc = (unsigned char)tga[17];
-
- free(tga);
+ image_w = get_tga_ushort(&tga[12]);
+ image_h = get_tga_ushort(&tga[14]);
+ pixel_depth = tga[16];
+ image_desc = tga[17];
*bits_per_pixel = (unsigned int)pixel_depth;
*width = (unsigned int)image_w;
*height = (unsigned int)image_h;
/* Ignore tga identifier, if present ... */
- if (id_len)
- {
+ if (id_len) {
unsigned char *id = (unsigned char *) malloc(id_len);
- if ( !fread(id, id_len, 1, fp) )
- {
- fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
+ if (id == 0) {
+ fprintf(stderr, "tga_readheader: memory out\n");
+ return 0;
+ }
+ if (!fread(id, id_len, 1, fp)) {
+ fprintf(stderr,
+ "\nError: fread return a number of element different from the expected.\n");
free(id);
return 0 ;
}
/* Test for compressed formats ... not yet supported ...
// Note :- 9 - RLE encoded palettized.
- // 10 - RLE encoded RGB. */
- if (image_type > 8)
- {
+ // 10 - RLE encoded RGB. */
+ if (image_type > 8) {
fprintf(stderr, "Sorry, compressed tga files are not currently supported.\n");
return 0 ;
}
*flip_image = !(image_desc & 32);
/* Palettized formats are not yet supported, skip over the palette, if present ... */
- palette_size = cmap_len * (cmap_entry_size/8);
+ palette_size = cmap_len * (cmap_entry_size / 8);
- if (palette_size>0)
- {
+ if (palette_size > 0) {
fprintf(stderr, "File contains a palette - not yet supported.");
fseek(fp, palette_size, SEEK_CUR);
}
#ifdef OPJ_BIG_ENDIAN
-static INLINE int16_t swap16(int16_t x)
+static INLINE OPJ_UINT16 swap16(OPJ_UINT16 x)
{
- return((((u_int16_t)x & 0x00ffU) << 8) |
- (((u_int16_t)x & 0xff00U) >> 8));
+ return (OPJ_UINT16)(((x & 0x00ffU) << 8) | ((x & 0xff00U) >> 8));
}
#endif
-static int tga_writeheader(FILE *fp, int bits_per_pixel, int width, int height,
+static int tga_writeheader(FILE *fp, int bits_per_pixel, int width, int height,
OPJ_BOOL flip_image)
{
- unsigned short image_w, image_h, us0;
+ OPJ_UINT16 image_w, image_h, us0;
unsigned char uc0, image_type;
unsigned char pixel_depth, image_desc;
- if (!bits_per_pixel || !width || !height)
+ if (!bits_per_pixel || !width || !height) {
return 0;
+ }
pixel_depth = 0;
- if ( bits_per_pixel < 256 )
+ if (bits_per_pixel < 256) {
pixel_depth = (unsigned char)bits_per_pixel;
- else{
- fprintf(stderr,"ERROR: Wrong bits per pixel inside tga_header");
+ } else {
+ fprintf(stderr, "ERROR: Wrong bits per pixel inside tga_header");
return 0;
}
uc0 = 0;
- if(fwrite(&uc0, 1, 1, fp) != 1) goto fails; /* id_length */
- if(fwrite(&uc0, 1, 1, fp) != 1) goto fails; /* colour_map_type */
+ if (fwrite(&uc0, 1, 1, fp) != 1) {
+ goto fails; /* id_length */
+ }
+ if (fwrite(&uc0, 1, 1, fp) != 1) {
+ goto fails; /* colour_map_type */
+ }
image_type = 2; /* Uncompressed. */
- if(fwrite(&image_type, 1, 1, fp) != 1) goto fails;
+ if (fwrite(&image_type, 1, 1, fp) != 1) {
+ goto fails;
+ }
us0 = 0;
- if(fwrite(&us0, 2, 1, fp) != 1) goto fails; /* colour_map_index */
- if(fwrite(&us0, 2, 1, fp) != 1) goto fails; /* colour_map_length */
- if(fwrite(&uc0, 1, 1, fp) != 1) goto fails; /* colour_map_entry_size */
+ if (fwrite(&us0, 2, 1, fp) != 1) {
+ goto fails; /* colour_map_index */
+ }
+ if (fwrite(&us0, 2, 1, fp) != 1) {
+ goto fails; /* colour_map_length */
+ }
+ if (fwrite(&uc0, 1, 1, fp) != 1) {
+ goto fails; /* colour_map_entry_size */
+ }
- if(fwrite(&us0, 2, 1, fp) != 1) goto fails; /* x_origin */
- if(fwrite(&us0, 2, 1, fp) != 1) goto fails; /* y_origin */
+ if (fwrite(&us0, 2, 1, fp) != 1) {
+ goto fails; /* x_origin */
+ }
+ if (fwrite(&us0, 2, 1, fp) != 1) {
+ goto fails; /* y_origin */
+ }
image_w = (unsigned short)width;
image_h = (unsigned short) height;
#ifndef OPJ_BIG_ENDIAN
- if(fwrite(&image_w, 2, 1, fp) != 1) goto fails;
- if(fwrite(&image_h, 2, 1, fp) != 1) goto fails;
+ if (fwrite(&image_w, 2, 1, fp) != 1) {
+ goto fails;
+ }
+ if (fwrite(&image_h, 2, 1, fp) != 1) {
+ goto fails;
+ }
#else
image_w = swap16(image_w);
image_h = swap16(image_h);
- if(fwrite(&image_w, 2, 1, fp) != 1) goto fails;
- if(fwrite(&image_h, 2, 1, fp) != 1) goto fails;
+ if (fwrite(&image_w, 2, 1, fp) != 1) {
+ goto fails;
+ }
+ if (fwrite(&image_h, 2, 1, fp) != 1) {
+ goto fails;
+ }
#endif
- if(fwrite(&pixel_depth, 1, 1, fp) != 1) goto fails;
+ if (fwrite(&pixel_depth, 1, 1, fp) != 1) {
+ goto fails;
+ }
image_desc = 8; /* 8 bits per component. */
- if (flip_image)
+ if (flip_image) {
image_desc |= 32;
- if(fwrite(&image_desc, 1, 1, fp) != 1) goto fails;
+ }
+ if (fwrite(&image_desc, 1, 1, fp) != 1) {
+ goto fails;
+ }
return 1;
return 0;
}
-opj_image_t* tgatoimage(const char *filename, opj_cparameters_t *parameters) {
+opj_image_t* tgatoimage(const char *filename, opj_cparameters_t *parameters)
+{
FILE *f;
opj_image_t *image;
unsigned int image_width, image_height, pixel_bit_depth;
unsigned int x, y;
- int flip_image=0;
- opj_image_cmptparm_t cmptparm[4]; /* maximum 4 components */
+ int flip_image = 0;
+ opj_image_cmptparm_t cmptparm[4]; /* maximum 4 components */
int numcomps;
OPJ_COLOR_SPACE color_space;
OPJ_BOOL mono ;
return 0;
}
- if (!tga_readheader(f, &pixel_bit_depth, &image_width, &image_height, &flip_image))
+ if (!tga_readheader(f, &pixel_bit_depth, &image_width, &image_height,
+ &flip_image)) {
+ fclose(f);
return NULL;
+ }
/* We currently only support 24 & 32 bit tga's ... */
- if (!((pixel_bit_depth == 24) || (pixel_bit_depth == 32)))
+ if (!((pixel_bit_depth == 24) || (pixel_bit_depth == 32))) {
+ fclose(f);
return NULL;
+ }
/* initialize image components */
memset(&cmptparm[0], 0, 4 * sizeof(opj_image_cmptparm_t));
- mono = (pixel_bit_depth == 8) || (pixel_bit_depth == 16); /* Mono with & without alpha. */
- save_alpha = (pixel_bit_depth == 16) || (pixel_bit_depth == 32); /* Mono with alpha, or RGB with alpha */
+ mono = (pixel_bit_depth == 8) ||
+ (pixel_bit_depth == 16); /* Mono with & without alpha. */
+ save_alpha = (pixel_bit_depth == 16) ||
+ (pixel_bit_depth == 32); /* Mono with alpha, or RGB with alpha */
if (mono) {
color_space = OPJ_CLRSPC_GRAY;
numcomps = save_alpha ? 2 : 1;
- }
- else {
+ } else {
numcomps = save_alpha ? 4 : 3;
color_space = OPJ_CLRSPC_SRGB;
}
+ /* If the declared file size is > 10 MB, check that the file is big */
+ /* enough to avoid excessive memory allocations */
+ if (image_height != 0 &&
+ image_width > 10000000U / image_height / (OPJ_UINT32)numcomps) {
+ char ch;
+ OPJ_UINT64 expected_file_size =
+ (OPJ_UINT64)image_width * image_height * (OPJ_UINT32)numcomps;
+ long curpos = ftell(f);
+ if (expected_file_size > (OPJ_UINT64)INT_MAX) {
+ expected_file_size = (OPJ_UINT64)INT_MAX;
+ }
+ fseek(f, (long)expected_file_size - 1, SEEK_SET);
+ if (fread(&ch, 1, 1, f) != 1) {
+ fclose(f);
+ return NULL;
+ }
+ fseek(f, curpos, SEEK_SET);
+ }
+
subsampling_dx = parameters->subsampling_dx;
subsampling_dy = parameters->subsampling_dy;
/* create the image */
image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm[0], color_space);
- if (!image)
+ if (!image) {
+ fclose(f);
return NULL;
+ }
+
/* set image offset and reference grid */
image->x0 = (OPJ_UINT32)parameters->image_offset_x0;
image->y0 = (OPJ_UINT32)parameters->image_offset_y0;
- image->x1 = !image->x0 ? (OPJ_UINT32)(image_width - 1) * (OPJ_UINT32)subsampling_dx + 1 : image->x0 + (OPJ_UINT32)(image_width - 1) * (OPJ_UINT32)subsampling_dx + 1;
- image->y1 = !image->y0 ? (OPJ_UINT32)(image_height - 1) * (OPJ_UINT32)subsampling_dy + 1 : image->y0 + (OPJ_UINT32)(image_height - 1) * (OPJ_UINT32)subsampling_dy + 1;
+ image->x1 = !image->x0 ? (OPJ_UINT32)(image_width - 1) *
+ (OPJ_UINT32)subsampling_dx + 1 : image->x0 + (OPJ_UINT32)(image_width - 1) *
+ (OPJ_UINT32)subsampling_dx + 1;
+ image->y1 = !image->y0 ? (OPJ_UINT32)(image_height - 1) *
+ (OPJ_UINT32)subsampling_dy + 1 : image->y0 + (OPJ_UINT32)(image_height - 1) *
+ (OPJ_UINT32)subsampling_dy + 1;
/* set image data */
- for (y=0; y < image_height; y++)
- {
+ for (y = 0; y < image_height; y++) {
int index;
- if (flip_image)
- index = (int)((image_height-y-1)*image_width);
- else
- index = (int)(y*image_width);
+ if (flip_image) {
+ index = (int)((image_height - y - 1) * image_width);
+ } else {
+ index = (int)(y * image_width);
+ }
- if (numcomps==3)
- {
- for (x=0;x<image_width;x++)
- {
- unsigned char r,g,b;
+ if (numcomps == 3) {
+ for (x = 0; x < image_width; x++) {
+ unsigned char r, g, b;
- if( !fread(&b, 1, 1, f) )
- {
- fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
+ if (!fread(&b, 1, 1, f)) {
+ fprintf(stderr,
+ "\nError: fread return a number of element different from the expected.\n");
opj_image_destroy(image);
+ fclose(f);
return NULL;
}
- if ( !fread(&g, 1, 1, f) )
- {
- fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
+ if (!fread(&g, 1, 1, f)) {
+ fprintf(stderr,
+ "\nError: fread return a number of element different from the expected.\n");
opj_image_destroy(image);
+ fclose(f);
return NULL;
}
- if ( !fread(&r, 1, 1, f) )
- {
- fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
+ if (!fread(&r, 1, 1, f)) {
+ fprintf(stderr,
+ "\nError: fread return a number of element different from the expected.\n");
opj_image_destroy(image);
+ fclose(f);
return NULL;
}
- image->comps[0].data[index]=r;
- image->comps[1].data[index]=g;
- image->comps[2].data[index]=b;
+ image->comps[0].data[index] = r;
+ image->comps[1].data[index] = g;
+ image->comps[2].data[index] = b;
index++;
}
- }
- else if (numcomps==4)
- {
- for (x=0;x<image_width;x++)
- {
- unsigned char r,g,b,a;
- if ( !fread(&b, 1, 1, f) )
- {
- fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
+ } else if (numcomps == 4) {
+ for (x = 0; x < image_width; x++) {
+ unsigned char r, g, b, a;
+ if (!fread(&b, 1, 1, f)) {
+ fprintf(stderr,
+ "\nError: fread return a number of element different from the expected.\n");
opj_image_destroy(image);
+ fclose(f);
return NULL;
}
- if ( !fread(&g, 1, 1, f) )
- {
- fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
+ if (!fread(&g, 1, 1, f)) {
+ fprintf(stderr,
+ "\nError: fread return a number of element different from the expected.\n");
opj_image_destroy(image);
+ fclose(f);
return NULL;
}
- if ( !fread(&r, 1, 1, f) )
- {
- fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
+ if (!fread(&r, 1, 1, f)) {
+ fprintf(stderr,
+ "\nError: fread return a number of element different from the expected.\n");
opj_image_destroy(image);
+ fclose(f);
return NULL;
}
- if ( !fread(&a, 1, 1, f) )
- {
- fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
+ if (!fread(&a, 1, 1, f)) {
+ fprintf(stderr,
+ "\nError: fread return a number of element different from the expected.\n");
opj_image_destroy(image);
+ fclose(f);
return NULL;
}
- image->comps[0].data[index]=r;
- image->comps[1].data[index]=g;
- image->comps[2].data[index]=b;
- image->comps[3].data[index]=a;
+ image->comps[0].data[index] = r;
+ image->comps[1].data[index] = g;
+ image->comps[2].data[index] = b;
+ image->comps[3].data[index] = a;
index++;
}
- }
- else {
+ } else {
fprintf(stderr, "Currently unsupported bit depth : %s\n", filename);
}
}
+ fclose(f);
return image;
}
-int imagetotga(opj_image_t * image, const char *outfile) {
+int imagetotga(opj_image_t * image, const char *outfile)
+{
int width, height, bpp, x, y;
OPJ_BOOL write_alpha;
unsigned int i;
- int adjustR, adjustG, adjustB, fails;
+ int adjustR, adjustG = 0, adjustB = 0, fails;
unsigned int alpha_channel;
- float r,g,b,a;
+ float r, g, b, a;
unsigned char value;
float scale;
FILE *fdest;
return 1;
}
- for (i = 0; i < image->numcomps-1; i++) {
- if ((image->comps[0].dx != image->comps[i+1].dx)
- ||(image->comps[0].dy != image->comps[i+1].dy)
- ||(image->comps[0].prec != image->comps[i+1].prec)) {
- fprintf(stderr, "Unable to create a tga file with such J2K image charateristics.");
+ for (i = 0; i < image->numcomps - 1; i++) {
+ if ((image->comps[0].dx != image->comps[i + 1].dx)
+ || (image->comps[0].dy != image->comps[i + 1].dy)
+ || (image->comps[0].prec != image->comps[i + 1].prec)
+ || (image->comps[0].sgnd != image->comps[i + 1].sgnd)) {
+ fclose(fdest);
+ fprintf(stderr,
+ "Unable to create a tga file with such J2K image charateristics.\n");
return 1;
}
}
height = (int)image->comps[0].h;
/* Mono with alpha, or RGB with alpha. */
- write_alpha = (image->numcomps==2) || (image->numcomps==4);
+ write_alpha = (image->numcomps == 2) || (image->numcomps == 4);
/* Write TGA header */
bpp = write_alpha ? 32 : 24;
- if (!tga_writeheader(fdest, bpp, width , height, OPJ_TRUE))
- goto fin;
-
- alpha_channel = image->numcomps-1;
-
- scale = 255.0f / (float)((1<<image->comps[0].prec)-1);
-
- adjustR = (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
- adjustG = (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0);
- adjustB = (image->comps[2].sgnd ? 1 << (image->comps[2].prec - 1) : 0);
-
- for (y=0; y < height; y++)
- {
- unsigned int index= (unsigned int)(y*width);
-
- for (x=0; x < width; x++, index++)
- {
- r = (float)(image->comps[0].data[index] + adjustR);
-
- if (image->numcomps > 2)
- {
- g = (float)(image->comps[1].data[index] + adjustG);
- b = (float)(image->comps[2].data[index] + adjustB);
- }
- else
- {/* Greyscale ... */
- g = r;
- b = r;
- }
-
-/* TGA format writes BGR ... */
- if(b > 255.) b = 255.; else if(b < 0.) b = 0.;
- value = (unsigned char)(b*scale);
- res = fwrite(&value,1,1,fdest);
-
- if( res < 1 )
- {
- fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
- goto fin;
- }
- if(g > 255.) g = 255.; else if(g < 0.) g = 0.;
- value = (unsigned char)(g*scale);
- res = fwrite(&value,1,1,fdest);
-
- if( res < 1 )
- {
- fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
- goto fin;
- }
- if(r > 255.) r = 255.; else if(r < 0.) r = 0.;
- value = (unsigned char)(r*scale);
- res = fwrite(&value,1,1,fdest);
-
- if( res < 1 )
- {
- fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
- goto fin;
- }
-
- if (write_alpha)
- {
- a = (float)(image->comps[alpha_channel].data[index]);
- if(a > 255.) a = 255.; else if(a < 0.) a = 0.;
- value = (unsigned char)(a*scale);
- res = fwrite(&value,1,1,fdest);
-
- if( res < 1 )
- {
- fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
- goto fin;
- }
- }
- }
- }
- fails = 0;
-fin:
- fclose(fdest);
-
- return fails;
-}
-
-/* -->> -->> -->> -->>
-
- BMP IMAGE FORMAT
-
- <<-- <<-- <<-- <<-- */
-
-/* WORD defines a two byte word */
-typedef unsigned short int WORD;
-
-/* DWORD defines a four byte word */
-typedef unsigned int DWORD;
-
-typedef struct {
- WORD bfType; /* 'BM' for Bitmap (19776) */
- DWORD bfSize; /* Size of the file */
- WORD bfReserved1; /* Reserved : 0 */
- WORD bfReserved2; /* Reserved : 0 */
- DWORD bfOffBits; /* Offset */
-} BITMAPFILEHEADER_t;
-
-typedef struct {
- DWORD biSize; /* Size of the structure in bytes */
- DWORD biWidth; /* Width of the image in pixels */
- DWORD biHeight; /* Heigth of the image in pixels */
- WORD biPlanes; /* 1 */
- WORD biBitCount; /* Number of color bits by pixels */
- DWORD biCompression; /* Type of encoding 0: none 1: RLE8 2: RLE4 */
- DWORD biSizeImage; /* Size of the image in bytes */
- DWORD biXpelsPerMeter; /* Horizontal (X) resolution in pixels/meter */
- DWORD biYpelsPerMeter; /* Vertical (Y) resolution in pixels/meter */
- DWORD biClrUsed; /* Number of color used in the image (0: ALL) */
- DWORD biClrImportant; /* Number of important color (0: ALL) */
-} BITMAPINFOHEADER_t;
-
-opj_image_t* bmptoimage(const char *filename, opj_cparameters_t *parameters)
-{
- int subsampling_dx = parameters->subsampling_dx;
- int subsampling_dy = parameters->subsampling_dy;
-
- int i, numcomps, w, h;
- OPJ_COLOR_SPACE color_space;
- opj_image_cmptparm_t cmptparm[3]; /* maximum of 3 components */
- opj_image_t * image = NULL;
-
- FILE *IN;
- BITMAPFILEHEADER_t File_h;
- BITMAPINFOHEADER_t Info_h;
- unsigned char *RGB;
- unsigned char *table_R, *table_G, *table_B;
- unsigned int j, PAD = 0;
-
- unsigned int x, y;
- int index;
- int gray_scale = 1;
- int has_color;
- DWORD W, H;
-
- IN = fopen(filename, "rb");
- if (!IN)
- {
- fprintf(stderr, "Failed to open %s for reading !!\n", filename);
- return NULL;
- }
-
- File_h.bfType = (WORD)getc(IN);
- File_h.bfType = (WORD)((getc(IN) << 8) + File_h.bfType);
-
- if (File_h.bfType != 19778)
- {
- fprintf(stderr,"Error, not a BMP file!\n");
- fclose(IN);
- return NULL;
+ if (!tga_writeheader(fdest, bpp, width, height, OPJ_TRUE)) {
+ goto fin;
}
- /* FILE HEADER */
- /* ------------- */
- File_h.bfSize = (DWORD)getc(IN);
- File_h.bfSize = (DWORD)(getc(IN) << 8) + File_h.bfSize;
- File_h.bfSize = (DWORD)(getc(IN) << 16) + File_h.bfSize;
- File_h.bfSize = (DWORD)(getc(IN) << 24) + File_h.bfSize;
-
- File_h.bfReserved1 = (WORD)getc(IN);
- File_h.bfReserved1 = (WORD)((getc(IN) << 8) + File_h.bfReserved1);
-
- File_h.bfReserved2 = (WORD)getc(IN);
- File_h.bfReserved2 = (WORD)((getc(IN) << 8) + File_h.bfReserved2);
- File_h.bfOffBits = (DWORD)getc(IN);
- File_h.bfOffBits = (DWORD)(getc(IN) << 8) + File_h.bfOffBits;
- File_h.bfOffBits = (DWORD)(getc(IN) << 16) + File_h.bfOffBits;
- File_h.bfOffBits = (DWORD)(getc(IN) << 24) + File_h.bfOffBits;
+ alpha_channel = image->numcomps - 1;
- /* INFO HEADER */
- /* ------------- */
+ scale = 255.0f / (float)((1 << image->comps[0].prec) - 1);
- Info_h.biSize = (DWORD)getc(IN);
- Info_h.biSize = (DWORD)(getc(IN) << 8) + Info_h.biSize;
- Info_h.biSize = (DWORD)(getc(IN) << 16) + Info_h.biSize;
- Info_h.biSize = (DWORD)(getc(IN) << 24) + Info_h.biSize;
-
- if(Info_h.biSize != 40)
- {
- fprintf(stderr,"Error, unknown BMP header size %d\n", Info_h.biSize);
- fclose(IN);
- return NULL;
+ adjustR = (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
+ if (image->numcomps >= 3) {
+ adjustG = (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0);
+ adjustB = (image->comps[2].sgnd ? 1 << (image->comps[2].prec - 1) : 0);
}
- Info_h.biWidth = (DWORD)getc(IN);
- Info_h.biWidth = (DWORD)(getc(IN) << 8) + Info_h.biWidth;
- Info_h.biWidth = (DWORD)(getc(IN) << 16) + Info_h.biWidth;
- Info_h.biWidth = (DWORD)(getc(IN) << 24) + Info_h.biWidth;
- w = (int)Info_h.biWidth;
-
- Info_h.biHeight = (DWORD)getc(IN);
- Info_h.biHeight = (DWORD)(getc(IN) << 8) + Info_h.biHeight;
- Info_h.biHeight = (DWORD)(getc(IN) << 16) + Info_h.biHeight;
- Info_h.biHeight = (DWORD)(getc(IN) << 24) + Info_h.biHeight;
- h = (int)Info_h.biHeight;
-
- Info_h.biPlanes = (WORD)getc(IN);
- Info_h.biPlanes = (WORD)((getc(IN) << 8) + Info_h.biPlanes);
-
- Info_h.biBitCount = (WORD)getc(IN);
- Info_h.biBitCount = (WORD)((getc(IN) << 8) + Info_h.biBitCount);
-
- Info_h.biCompression = (DWORD)getc(IN);
- Info_h.biCompression = (DWORD)(getc(IN) << 8) + Info_h.biCompression;
- Info_h.biCompression = (DWORD)(getc(IN) << 16) + Info_h.biCompression;
- Info_h.biCompression = (DWORD)(getc(IN) << 24) + Info_h.biCompression;
-
- Info_h.biSizeImage = (DWORD)getc(IN);
- Info_h.biSizeImage = (DWORD)(getc(IN) << 8) + Info_h.biSizeImage;
- Info_h.biSizeImage = (DWORD)(getc(IN) << 16) + Info_h.biSizeImage;
- Info_h.biSizeImage = (DWORD)(getc(IN) << 24) + Info_h.biSizeImage;
-
- Info_h.biXpelsPerMeter = (DWORD)getc(IN);
- Info_h.biXpelsPerMeter = (DWORD)(getc(IN) << 8) + Info_h.biXpelsPerMeter;
- Info_h.biXpelsPerMeter = (DWORD)(getc(IN) << 16) + Info_h.biXpelsPerMeter;
- Info_h.biXpelsPerMeter = (DWORD)(getc(IN) << 24) + Info_h.biXpelsPerMeter;
-
- Info_h.biYpelsPerMeter = (DWORD)getc(IN);
- Info_h.biYpelsPerMeter = (DWORD)(getc(IN) << 8) + Info_h.biYpelsPerMeter;
- Info_h.biYpelsPerMeter = (DWORD)(getc(IN) << 16) + Info_h.biYpelsPerMeter;
- Info_h.biYpelsPerMeter = (DWORD)(getc(IN) << 24) + Info_h.biYpelsPerMeter;
-
- Info_h.biClrUsed = (DWORD)getc(IN);
- Info_h.biClrUsed = (DWORD)(getc(IN) << 8) + Info_h.biClrUsed;
- Info_h.biClrUsed = (DWORD)(getc(IN) << 16) + Info_h.biClrUsed;
- Info_h.biClrUsed = (DWORD)(getc(IN) << 24) + Info_h.biClrUsed;
-
- Info_h.biClrImportant = (DWORD)getc(IN);
- Info_h.biClrImportant = (DWORD)(getc(IN) << 8) + Info_h.biClrImportant;
- Info_h.biClrImportant = (DWORD)(getc(IN) << 16) + Info_h.biClrImportant;
- Info_h.biClrImportant = (DWORD)(getc(IN) << 24) + Info_h.biClrImportant;
-
- /* Read the data and store them in the OUT file */
-
- if (Info_h.biBitCount == 24)
- {
- numcomps = 3;
- color_space = OPJ_CLRSPC_SRGB;
- /* initialize image components */
- memset(&cmptparm[0], 0, 3 * sizeof(opj_image_cmptparm_t));
- for(i = 0; i < numcomps; i++)
- {
- cmptparm[i].prec = 8;
- cmptparm[i].bpp = 8;
- cmptparm[i].sgnd = 0;
- cmptparm[i].dx = (OPJ_UINT32)subsampling_dx;
- cmptparm[i].dy = (OPJ_UINT32)subsampling_dy;
- cmptparm[i].w = (OPJ_UINT32)w;
- cmptparm[i].h = (OPJ_UINT32)h;
- }
- /* create the image */
- image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm[0], color_space);
- if(!image)
- {
- fclose(IN);
- return NULL;
- }
-
- /* set image offset and reference grid */
- image->x0 = (OPJ_UINT32)parameters->image_offset_x0;
- image->y0 = (OPJ_UINT32)parameters->image_offset_y0;
- image->x1 = !image->x0 ? (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1 : image->x0 + (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1;
- image->y1 = !image->y0 ? (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1 : image->y0 + (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1;
-
- /* set image data */
-
- /* Place the cursor at the beginning of the image information */
- fseek(IN, 0, SEEK_SET);
- fseek(IN, (long)File_h.bfOffBits, SEEK_SET);
- W = Info_h.biWidth;
- H = Info_h.biHeight;
+ for (y = 0; y < height; y++) {
+ unsigned int index = (unsigned int)(y * width);
- /* PAD = 4 - (3 * W) % 4; */
- /* PAD = (PAD == 4) ? 0 : PAD; */
- PAD = (3 * W) % 4 ? 4 - (3 * W) % 4 : 0;
+ for (x = 0; x < width; x++, index++) {
+ r = (float)(image->comps[0].data[index] + adjustR);
- RGB = (unsigned char *)
- malloc((3 * W + PAD) * H * sizeof(unsigned char));
-
- if ( fread(RGB, sizeof(unsigned char), (3 * W + PAD) * H, IN) != (3 * W + PAD) * H )
- {
- free(RGB);
- opj_image_destroy(image);
- fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
- return NULL;
- }
+ if (image->numcomps > 2) {
+ g = (float)(image->comps[1].data[index] + adjustG);
+ b = (float)(image->comps[2].data[index] + adjustB);
+ } else {
+ /* Greyscale ... */
+ g = r;
+ b = r;
+ }
- index = 0;
+ /* TGA format writes BGR ... */
+ if (b > 255.) {
+ b = 255.;
+ } else if (b < 0.) {
+ b = 0.;
+ }
+ value = (unsigned char)(b * scale);
+ res = fwrite(&value, 1, 1, fdest);
- for(y = 0; y < H; y++)
- {
- unsigned char *scanline = RGB + (3 * (unsigned int)W + PAD) * ((unsigned int)H - 1 - (unsigned int)y);
- for(x = 0; x < W; x++)
- {
- unsigned char *pixel = &scanline[3 * x];
- image->comps[0].data[index] = pixel[2]; /* R */
- image->comps[1].data[index] = pixel[1]; /* G */
- image->comps[2].data[index] = pixel[0]; /* B */
- index++;
+ if (res < 1) {
+ fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
+ goto fin;
}
- }
- free(RGB);
- }/* if (Info_h.biBitCount == 24) */
- else
- if (Info_h.biBitCount == 8 && Info_h.biCompression == 0)/*RGB */
- {
- if(Info_h.biClrUsed == 0) Info_h.biClrUsed = 256;
- else
- if(Info_h.biClrUsed > 256) Info_h.biClrUsed = 256;
-
- table_R = (unsigned char *) malloc(256 * sizeof(unsigned char));
- table_G = (unsigned char *) malloc(256 * sizeof(unsigned char));
- table_B = (unsigned char *) malloc(256 * sizeof(unsigned char));
-
- has_color = 0;
- for (j = 0; j < Info_h.biClrUsed; j++)
- {
- table_B[j] = (unsigned char)getc(IN);
- table_G[j] = (unsigned char)getc(IN);
- table_R[j] = (unsigned char)getc(IN);
- getc(IN);
- has_color +=
- !(table_R[j] == table_G[j] && table_R[j] == table_B[j]);
+ if (g > 255.) {
+ g = 255.;
+ } else if (g < 0.) {
+ g = 0.;
}
- if(has_color) gray_scale = 0;
-
- /* Place the cursor at the beginning of the image information */
- fseek(IN, 0, SEEK_SET);
- fseek(IN, (long)File_h.bfOffBits, SEEK_SET);
-
- W = Info_h.biWidth;
- H = Info_h.biHeight;
- if (Info_h.biWidth % 2)
- W++;
-
- numcomps = gray_scale ? 1 : 3;
- color_space = gray_scale ? OPJ_CLRSPC_GRAY : OPJ_CLRSPC_SRGB;
- /* initialize image components */
- memset(&cmptparm[0], 0, 3 * sizeof(opj_image_cmptparm_t));
- for(i = 0; i < numcomps; i++)
- {
- cmptparm[i].prec = 8;
- cmptparm[i].bpp = 8;
- cmptparm[i].sgnd = 0;
- cmptparm[i].dx = (OPJ_UINT32)subsampling_dx;
- cmptparm[i].dy = (OPJ_UINT32)subsampling_dy;
- cmptparm[i].w = (OPJ_UINT32)w;
- cmptparm[i].h = (OPJ_UINT32)h;
+ value = (unsigned char)(g * scale);
+ res = fwrite(&value, 1, 1, fdest);
+
+ if (res < 1) {
+ fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
+ goto fin;
}
- /* create the image */
- image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm[0], color_space);
- if(!image)
- {
- fclose(IN);
- free(table_R); free(table_G); free(table_B);
- return NULL;
+ if (r > 255.) {
+ r = 255.;
+ } else if (r < 0.) {
+ r = 0.;
}
+ value = (unsigned char)(r * scale);
+ res = fwrite(&value, 1, 1, fdest);
- /* set image offset and reference grid */
- image->x0 = (OPJ_UINT32)parameters->image_offset_x0;
- image->y0 = (OPJ_UINT32)parameters->image_offset_y0;
- image->x1 = !image->x0 ? (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1 : image->x0 + (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1;
- image->y1 = !image->y0 ? (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1 : image->y0 + (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1;
-
- /* set image data */
-
- RGB = (unsigned char *) malloc(W * H * sizeof(unsigned char));
-
- if ( fread(RGB, sizeof(unsigned char), W * H, IN) != W * H )
- {
- free(table_R);
- free(table_G);
- free(table_B);
- free(RGB);
- opj_image_destroy(image);
- fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
- return NULL;
+ if (res < 1) {
+ fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
+ goto fin;
}
- if (gray_scale)
- {
- index = 0;
- for (j = 0; j < W * H; j++)
- {
- if ((j % W < W - 1 && Info_h.biWidth % 2) || !(Info_h.biWidth % 2))
- {
- image->comps[0].data[index] =
- table_R[RGB[W * H - ((j) / (W) + 1) * W + (j) % (W)]];
- index++;
- }
- }
- }
- else
- {
- index = 0;
- for (j = 0; j < W * H; j++)
- {
- if ((j % W < W - 1 && Info_h.biWidth % 2)
- || !(Info_h.biWidth % 2))
- {
- unsigned char pixel_index =
- RGB[W * H - ((j) / (W) + 1) * W + (j) % (W)];
- image->comps[0].data[index] = table_R[pixel_index];
- image->comps[1].data[index] = table_G[pixel_index];
- image->comps[2].data[index] = table_B[pixel_index];
- index++;
- }
- }
- }
- free(RGB);
- free(table_R);
- free(table_G);
- free(table_B);
- }/* RGB8 */
- else
- if (Info_h.biBitCount == 8 && Info_h.biCompression == 1)/*RLE8*/
- {
- unsigned char *pix, *beyond;
- int *gray, *red, *green, *blue;
- unsigned int max;
- int c, c1;
- unsigned char uc;
-
- if (Info_h.biClrUsed == 0)
- Info_h.biClrUsed = 256;
- else if (Info_h.biClrUsed > 256)
- Info_h.biClrUsed = 256;
-
- table_R = (unsigned char *) malloc(256 * sizeof(unsigned char));
- table_G = (unsigned char *) malloc(256 * sizeof(unsigned char));
- table_B = (unsigned char *) malloc(256 * sizeof(unsigned char));
-
- has_color = 0;
- for (j = 0; j < Info_h.biClrUsed; j++)
- {
- table_B[j] = (unsigned char)getc(IN);
- table_G[j] = (unsigned char)getc(IN);
- table_R[j] = (unsigned char)getc(IN);
- getc(IN);
- has_color += !(table_R[j] == table_G[j] && table_R[j] == table_B[j]);
+ if (write_alpha) {
+ a = (float)(image->comps[alpha_channel].data[index]);
+ if (a > 255.) {
+ a = 255.;
+ } else if (a < 0.) {
+ a = 0.;
}
+ value = (unsigned char)(a * scale);
+ res = fwrite(&value, 1, 1, fdest);
- if (has_color)
- gray_scale = 0;
-
- numcomps = gray_scale ? 1 : 3;
- color_space = gray_scale ? OPJ_CLRSPC_GRAY : OPJ_CLRSPC_SRGB;
- /* initialize image components */
- memset(&cmptparm[0], 0, 3 * sizeof(opj_image_cmptparm_t));
- for (i = 0; i < numcomps; i++)
- {
- cmptparm[i].prec = 8;
- cmptparm[i].bpp = 8;
- cmptparm[i].sgnd = 0;
- cmptparm[i].dx = (OPJ_UINT32)subsampling_dx;
- cmptparm[i].dy = (OPJ_UINT32)subsampling_dy;
- cmptparm[i].w = (OPJ_UINT32)w;
- cmptparm[i].h = (OPJ_UINT32)h;
- }
- /* create the image */
- image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm[0], color_space);
- if (!image)
- {
- fclose(IN);
- free(table_R);
- free(table_G);
- free(table_B);
- return NULL;
+ if (res < 1) {
+ fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
+ goto fin;
}
+ }
+ }
+ }
+ fails = 0;
+fin:
+ fclose(fdest);
- /* set image offset and reference grid */
- image->x0 = (OPJ_UINT32)parameters->image_offset_x0;
- image->y0 = (OPJ_UINT32)parameters->image_offset_y0;
- image->x1 = !image->x0 ? (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1 : image->x0 + (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1;
- image->y1 = !image->y0 ? (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1 : image->y0 + (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1;
-
- /* set image data */
+ return fails;
+}
- /* Place the cursor at the beginning of the image information */
- fseek(IN, 0, SEEK_SET);
- fseek(IN, (long)File_h.bfOffBits, SEEK_SET);
+/* -->> -->> -->> -->>
- W = Info_h.biWidth;
- H = Info_h.biHeight;
- RGB = (unsigned char *) calloc(1, W * H * sizeof(unsigned char));
- beyond = RGB + W * H;
- pix = beyond - W;
- x = y = 0;
+PGX IMAGE FORMAT
- while (y < H)
- {
- c = getc(IN);
-
- if (c)
- {
- c1 = getc(IN);
-
- for (i = 0; i < c && x < W && pix < beyond; i++, x++, pix++)
- *pix = (unsigned char)c1;
- }
- else
- {
- c = getc(IN);
-
- if (c == 0x00) /* EOL */
- {
- x = 0;
- ++y;
- pix = RGB + x + (H - y - 1) * W;
- }
- else if (c == 0x01) /* EOP */
- break;
- else if (c == 0x02) /* MOVE by dxdy */
- {
- c = getc(IN);
- x += (unsigned int)c;
- c = getc(IN);
- y += (unsigned int)c;
- pix = RGB + (H - y - 1) * W + x;
- }
- else /* 03 .. 255 */
- {
- i = 0;
- for (; i < c && x < W && pix < beyond; i++, x++, pix++)
- {
- c1 = getc(IN);
- *pix = (unsigned char)c1;
- }
- if (c & 1) /* skip padding byte */
- getc(IN);
- }
- }
- }/* while() */
-
- if (gray_scale)
- {
- gray = image->comps[0].data;
- pix = RGB;
- max = W * H;
-
- while (max--)
- {
- uc = *pix++;
-
- *gray++ = table_R[uc];
- }
- }
- else
- {
- /*int *red, *green, *blue;*/
-
- red = image->comps[0].data;
- green = image->comps[1].data;
- blue = image->comps[2].data;
- pix = RGB;
- max = W * H;
-
- while (max--)
- {
- uc = *pix++;
-
- *red++ = table_R[uc];
- *green++ = table_G[uc];
- *blue++ = table_B[uc];
- }
- }
- free(RGB);
- free(table_R);
- free(table_G);
- free(table_B);
- }/* RLE8 */
- else
- {
- fprintf(stderr,
- "Other system than 24 bits/pixels or 8 bits (no RLE coding) "
- "is not yet implemented [%d]\n", Info_h.biBitCount);
- }
- fclose(IN);
- return image;
-}
-
-int imagetobmp(opj_image_t * image, const char *outfile) {
- int w, h;
- int i, pad;
- FILE *fdest = NULL;
- int adjustR, adjustG, adjustB;
-
- if (image->comps[0].prec < 8) {
- fprintf(stderr, "Unsupported number of components: %d\n", image->comps[0].prec);
- return 1;
- }
- if (image->numcomps >= 3 && image->comps[0].dx == image->comps[1].dx
- && image->comps[1].dx == image->comps[2].dx
- && image->comps[0].dy == image->comps[1].dy
- && image->comps[1].dy == image->comps[2].dy
- && image->comps[0].prec == image->comps[1].prec
- && image->comps[1].prec == image->comps[2].prec) {
-
- /* -->> -->> -->> -->>
- 24 bits color
- <<-- <<-- <<-- <<-- */
-
- fdest = fopen(outfile, "wb");
- if (!fdest) {
- fprintf(stderr, "ERROR -> failed to open %s for writing\n", outfile);
- return 1;
- }
-
- w = (int)image->comps[0].w;
- h = (int)image->comps[0].h;
-
- fprintf(fdest, "BM");
-
- /* FILE HEADER */
- /* ------------- */
- fprintf(fdest, "%c%c%c%c",
- (unsigned char) (h * w * 3 + 3 * h * (w % 2) + 54) & 0xff,
- (unsigned char) ((h * w * 3 + 3 * h * (w % 2) + 54) >> 8) & 0xff,
- (unsigned char) ((h * w * 3 + 3 * h * (w % 2) + 54) >> 16) & 0xff,
- (unsigned char) ((h * w * 3 + 3 * h * (w % 2) + 54) >> 24) & 0xff);
- fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
- fprintf(fdest, "%c%c%c%c", (54) & 0xff, ((54) >> 8) & 0xff,((54) >> 16) & 0xff, ((54) >> 24) & 0xff);
-
- /* INFO HEADER */
- /* ------------- */
- fprintf(fdest, "%c%c%c%c", (40) & 0xff, ((40) >> 8) & 0xff, ((40) >> 16) & 0xff, ((40) >> 24) & 0xff);
- fprintf(fdest, "%c%c%c%c", (unsigned char) ((w) & 0xff),
- (unsigned char) ((w) >> 8) & 0xff,
- (unsigned char) ((w) >> 16) & 0xff,
- (unsigned char) ((w) >> 24) & 0xff);
- fprintf(fdest, "%c%c%c%c", (unsigned char) ((h) & 0xff),
- (unsigned char) ((h) >> 8) & 0xff,
- (unsigned char) ((h) >> 16) & 0xff,
- (unsigned char) ((h) >> 24) & 0xff);
- fprintf(fdest, "%c%c", (1) & 0xff, ((1) >> 8) & 0xff);
- fprintf(fdest, "%c%c", (24) & 0xff, ((24) >> 8) & 0xff);
- fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
- fprintf(fdest, "%c%c%c%c", (unsigned char) (3 * h * w + 3 * h * (w % 2)) & 0xff,
- (unsigned char) ((h * w * 3 + 3 * h * (w % 2)) >> 8) & 0xff,
- (unsigned char) ((h * w * 3 + 3 * h * (w % 2)) >> 16) & 0xff,
- (unsigned char) ((h * w * 3 + 3 * h * (w % 2)) >> 24) & 0xff);
- fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff, ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
- fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff, ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
- fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
- fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
-
- if (image->comps[0].prec > 8) {
- adjustR = (int)image->comps[0].prec - 8;
- printf("BMP CONVERSION: Truncating component 0 from %d bits to 8 bits\n", image->comps[0].prec);
- }
- else
- adjustR = 0;
- if (image->comps[1].prec > 8) {
- adjustG = (int)image->comps[1].prec - 8;
- printf("BMP CONVERSION: Truncating component 1 from %d bits to 8 bits\n", image->comps[1].prec);
- }
- else
- adjustG = 0;
- if (image->comps[2].prec > 8) {
- adjustB = (int)image->comps[2].prec - 8;
- printf("BMP CONVERSION: Truncating component 2 from %d bits to 8 bits\n", image->comps[2].prec);
- }
- else
- adjustB = 0;
-
- for (i = 0; i < w * h; i++) {
- unsigned char rc, gc, bc;
- int r, g, b;
-
- r = image->comps[0].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
- r += (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
- r = ((r >> adjustR)+((r >> (adjustR-1))%2));
- if(r > 255) r = 255; else if(r < 0) r = 0;
- rc = (unsigned char)r;
-
- g = image->comps[1].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
- g += (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0);
- g = ((g >> adjustG)+((g >> (adjustG-1))%2));
- if(g > 255) g = 255; else if(g < 0) g = 0;
- gc = (unsigned char)g;
-
- b = image->comps[2].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
- b += (image->comps[2].sgnd ? 1 << (image->comps[2].prec - 1) : 0);
- b = ((b >> adjustB)+((b >> (adjustB-1))%2));
- if(b > 255) b = 255; else if(b < 0) b = 0;
- bc = (unsigned char)b;
-
- fprintf(fdest, "%c%c%c", bc, gc, rc);
-
- if ((i + 1) % w == 0) {
- for (pad = (3 * w) % 4 ? 4 - (3 * w) % 4 : 0; pad > 0; pad--) /* ADD */
- fprintf(fdest, "%c", 0);
- }
- }
- fclose(fdest);
- } else { /* Gray-scale */
-
- /* -->> -->> -->> -->>
- 8 bits non code (Gray scale)
- <<-- <<-- <<-- <<-- */
-
- fdest = fopen(outfile, "wb");
- w = (int)image->comps[0].w;
- h = (int)image->comps[0].h;
-
- fprintf(fdest, "BM");
-
- /* FILE HEADER */
- /* ------------- */
- fprintf(fdest, "%c%c%c%c", (unsigned char) (h * w + 54 + 1024 + h * (w % 2)) & 0xff,
- (unsigned char) ((h * w + 54 + 1024 + h * (w % 2)) >> 8) & 0xff,
- (unsigned char) ((h * w + 54 + 1024 + h * (w % 2)) >> 16) & 0xff,
- (unsigned char) ((h * w + 54 + 1024 + w * (w % 2)) >> 24) & 0xff);
- fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
- fprintf(fdest, "%c%c%c%c", (54 + 1024) & 0xff, ((54 + 1024) >> 8) & 0xff,
- ((54 + 1024) >> 16) & 0xff,
- ((54 + 1024) >> 24) & 0xff);
-
- /* INFO HEADER */
- /* ------------- */
- fprintf(fdest, "%c%c%c%c", (40) & 0xff, ((40) >> 8) & 0xff, ((40) >> 16) & 0xff, ((40) >> 24) & 0xff);
- fprintf(fdest, "%c%c%c%c", (unsigned char) ((w) & 0xff),
- (unsigned char) ((w) >> 8) & 0xff,
- (unsigned char) ((w) >> 16) & 0xff,
- (unsigned char) ((w) >> 24) & 0xff);
- fprintf(fdest, "%c%c%c%c", (unsigned char) ((h) & 0xff),
- (unsigned char) ((h) >> 8) & 0xff,
- (unsigned char) ((h) >> 16) & 0xff,
- (unsigned char) ((h) >> 24) & 0xff);
- fprintf(fdest, "%c%c", (1) & 0xff, ((1) >> 8) & 0xff);
- fprintf(fdest, "%c%c", (8) & 0xff, ((8) >> 8) & 0xff);
- fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
- fprintf(fdest, "%c%c%c%c", (unsigned char) (h * w + h * (w % 2)) & 0xff,
- (unsigned char) ((h * w + h * (w % 2)) >> 8) & 0xff,
- (unsigned char) ((h * w + h * (w % 2)) >> 16) & 0xff,
- (unsigned char) ((h * w + h * (w % 2)) >> 24) & 0xff);
- fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff, ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
- fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff, ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
- fprintf(fdest, "%c%c%c%c", (256) & 0xff, ((256) >> 8) & 0xff, ((256) >> 16) & 0xff, ((256) >> 24) & 0xff);
- fprintf(fdest, "%c%c%c%c", (256) & 0xff, ((256) >> 8) & 0xff, ((256) >> 16) & 0xff, ((256) >> 24) & 0xff);
-
- if (image->comps[0].prec > 8) {
- adjustR = (int)image->comps[0].prec - 8;
- printf("BMP CONVERSION: Truncating component 0 from %d bits to 8 bits\n", image->comps[0].prec);
- }else
- adjustR = 0;
-
- for (i = 0; i < 256; i++) {
- fprintf(fdest, "%c%c%c%c", i, i, i, 0);
- }
-
- for (i = 0; i < w * h; i++) {
- int r;
-
- r = image->comps[0].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
- r += (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
- r = ((r >> adjustR)+((r >> (adjustR-1))%2));
- if(r > 255) r = 255; else if(r < 0) r = 0;
-
- fprintf(fdest, "%c", (unsigned char)r);
-
- if ((i + 1) % w == 0) {
- for (pad = w % 4 ? 4 - w % 4 : 0; pad > 0; pad--) /* ADD */
- fprintf(fdest, "%c", 0);
- }
- }
- fclose(fdest);
- }
-
- return 0;
-}
-
-/* -->> -->> -->> -->>
-
-PGX IMAGE FORMAT
-
-<<-- <<-- <<-- <<-- */
+<<-- <<-- <<-- <<-- */
static unsigned char readuchar(FILE * f)
{
unsigned char c1;
- if ( !fread(&c1, 1, 1, f) )
- {
- fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
+ if (!fread(&c1, 1, 1, f)) {
+ fprintf(stderr,
+ "\nError: fread return a number of element different from the expected.\n");
return 0;
}
return c1;
static unsigned short readushort(FILE * f, int bigendian)
{
unsigned char c1, c2;
- if ( !fread(&c1, 1, 1, f) )
- {
- fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
+ if (!fread(&c1, 1, 1, f)) {
+ fprintf(stderr,
+ "\nError: fread return a number of element different from the expected.\n");
return 0;
}
- if ( !fread(&c2, 1, 1, f) )
- {
- fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
+ if (!fread(&c2, 1, 1, f)) {
+ fprintf(stderr,
+ "\nError: fread return a number of element different from the expected.\n");
return 0;
}
- if (bigendian)
+ if (bigendian) {
return (unsigned short)((c1 << 8) + c2);
- else
+ } else {
return (unsigned short)((c2 << 8) + c1);
+ }
}
static unsigned int readuint(FILE * f, int bigendian)
{
unsigned char c1, c2, c3, c4;
- if ( !fread(&c1, 1, 1, f) )
- {
- fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
+ if (!fread(&c1, 1, 1, f)) {
+ fprintf(stderr,
+ "\nError: fread return a number of element different from the expected.\n");
return 0;
}
- if ( !fread(&c2, 1, 1, f) )
- {
- fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
+ if (!fread(&c2, 1, 1, f)) {
+ fprintf(stderr,
+ "\nError: fread return a number of element different from the expected.\n");
return 0;
}
- if ( !fread(&c3, 1, 1, f) )
- {
- fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
+ if (!fread(&c3, 1, 1, f)) {
+ fprintf(stderr,
+ "\nError: fread return a number of element different from the expected.\n");
return 0;
}
- if ( !fread(&c4, 1, 1, f) )
- {
- fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
+ if (!fread(&c4, 1, 1, f)) {
+ fprintf(stderr,
+ "\nError: fread return a number of element different from the expected.\n");
return 0;
}
- if (bigendian)
- return (unsigned int)(c1 << 24) + (unsigned int)(c2 << 16) + (unsigned int)(c3 << 8) + c4;
- else
- return (unsigned int)(c4 << 24) + (unsigned int)(c3 << 16) + (unsigned int)(c2 << 8) + c1;
+ if (bigendian) {
+ return (unsigned int)(c1 << 24) + (unsigned int)(c2 << 16) + (unsigned int)(
+ c3 << 8) + c4;
+ } else {
+ return (unsigned int)(c4 << 24) + (unsigned int)(c3 << 16) + (unsigned int)(
+ c2 << 8) + c1;
+ }
}
-opj_image_t* pgxtoimage(const char *filename, opj_cparameters_t *parameters) {
+opj_image_t* pgxtoimage(const char *filename, opj_cparameters_t *parameters)
+{
FILE *f = NULL;
int w, h, prec;
int i, numcomps, max;
OPJ_COLOR_SPACE color_space;
- opj_image_cmptparm_t cmptparm; /* maximum of 1 component */
+ opj_image_cmptparm_t cmptparm; /* maximum of 1 component */
opj_image_t * image = NULL;
int adjustS, ushift, dshift, force8;
+ OPJ_UINT64 expected_file_size;
- char endian1,endian2,sign;
+ char endian1, endian2, sign;
char signtmp[32];
char temp[32];
}
fseek(f, 0, SEEK_SET);
- if( fscanf(f, "PG%[ \t]%c%c%[ \t+-]%d%[ \t]%d%[ \t]%d",temp,&endian1,&endian2,signtmp,&prec,temp,&w,temp,&h) != 9){
- fprintf(stderr, "ERROR: Failed to read the right number of element from the fscanf() function!\n");
+ if (fscanf(f, "PG%31[ \t]%c%c%31[ \t+-]%d%31[ \t]%d%31[ \t]%d", temp, &endian1,
+ &endian2, signtmp, &prec, temp, &w, temp, &h) != 9) {
+ fclose(f);
+ fprintf(stderr,
+ "ERROR: Failed to read the right number of element from the fscanf() function!\n");
return NULL;
}
- i=0;
- sign='+';
- while (signtmp[i]!='\0') {
- if (signtmp[i]=='-') sign='-';
+ i = 0;
+ sign = '+';
+ while (signtmp[i] != '\0') {
+ if (signtmp[i] == '-') {
+ sign = '-';
+ }
i++;
}
fgetc(f);
- if (endian1=='M' && endian2=='L') {
+ if (endian1 == 'M' && endian2 == 'L') {
bigendian = 1;
- } else if (endian2=='M' && endian1=='L') {
+ } else if (endian2 == 'M' && endian1 == 'L') {
bigendian = 0;
} else {
+ fclose(f);
+ fprintf(stderr, "Bad pgx header, please check input file\n");
+ return NULL;
+ }
+
+ if (w < 1 || h < 1 || prec < 1 || prec > 31) {
+ fclose(f);
fprintf(stderr, "Bad pgx header, please check input file\n");
return NULL;
}
+ expected_file_size =
+ (OPJ_UINT64)w * (OPJ_UINT64)h * (prec > 16 ? 4 : prec > 8 ? 2 : 1);
+ if (expected_file_size > 10000000U) {
+ char ch;
+ long curpos = ftell(f);
+ if (expected_file_size > (OPJ_UINT64)INT_MAX) {
+ expected_file_size = (OPJ_UINT64)INT_MAX;
+ }
+ fseek(f, (long)expected_file_size - 1, SEEK_SET);
+ if (fread(&ch, 1, 1, f) != 1) {
+ fprintf(stderr, "File too short\n");
+ fclose(f);
+ return NULL;
+ }
+ fseek(f, curpos, SEEK_SET);
+ }
+
/* initialize image component */
cmptparm.x0 = (OPJ_UINT32)parameters->image_offset_x0;
cmptparm.y0 = (OPJ_UINT32)parameters->image_offset_y0;
- cmptparm.w = !cmptparm.x0 ? (OPJ_UINT32)((w - 1) * parameters->subsampling_dx + 1) : cmptparm.x0 + (OPJ_UINT32)(w - 1) * (OPJ_UINT32)parameters->subsampling_dx + 1;
- cmptparm.h = !cmptparm.y0 ? (OPJ_UINT32)((h - 1) * parameters->subsampling_dy + 1) : cmptparm.y0 + (OPJ_UINT32)(h - 1) * (OPJ_UINT32)parameters->subsampling_dy + 1;
+ cmptparm.w = !cmptparm.x0 ? (OPJ_UINT32)((w - 1) * parameters->subsampling_dx +
+ 1) : cmptparm.x0 + (OPJ_UINT32)(w - 1) * (OPJ_UINT32)parameters->subsampling_dx
+ + 1;
+ cmptparm.h = !cmptparm.y0 ? (OPJ_UINT32)((h - 1) * parameters->subsampling_dy +
+ 1) : cmptparm.y0 + (OPJ_UINT32)(h - 1) * (OPJ_UINT32)parameters->subsampling_dy
+ + 1;
if (sign == '-') {
cmptparm.sgnd = 1;
} else {
cmptparm.sgnd = 0;
}
- if(prec < 8)
- {
+ if (prec < 8) {
force8 = 1;
- ushift = 8 - prec; dshift = prec - ushift;
- if(cmptparm.sgnd) adjustS = (1<<(prec - 1)); else adjustS = 0;
+ ushift = 8 - prec;
+ dshift = prec - ushift;
+ if (cmptparm.sgnd) {
+ adjustS = (1 << (prec - 1));
+ } else {
+ adjustS = 0;
+ }
cmptparm.sgnd = 0;
prec = 8;
+ } else {
+ ushift = dshift = force8 = adjustS = 0;
}
- else ushift = dshift = force8 = adjustS = 0;
cmptparm.prec = (OPJ_UINT32)prec;
cmptparm.bpp = (OPJ_UINT32)prec;
/* create the image */
image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm, color_space);
- if(!image) {
+ if (!image) {
fclose(f);
return NULL;
}
for (i = 0; i < w * h; i++) {
int v;
- if(force8)
- {
+ if (force8) {
v = readuchar(f) + adjustS;
- v = (v<<ushift) + (v>>dshift);
+ v = (v << ushift) + (v >> dshift);
comp->data[i] = (unsigned char)v;
- if(v > max) max = v;
+ if (v > max) {
+ max = v;
+ }
continue;
}
v = (int) readuint(f, bigendian);
}
}
- if (v > max)
+ if (v > max) {
max = v;
+ }
comp->data[i] = v;
}
fclose(f);
return image;
}
-#define CLAMP(x,a,b) x < a ? a : (x > b ? b : x)
+#define CLAMP(x,a,b) ((x) < (a) ? (a) : ((x) > (b) ? (b) : (x)))
-static INLINE int clamp( const int value, const int prec, const int sgnd )
+static INLINE int clamp(const int value, const int prec, const int sgnd)
{
- if( sgnd )
- {
- if (prec <= 8) return CLAMP(value,-128,127);
- else if (prec <= 16) return CLAMP(value,-32768,32767);
- else return CLAMP(value,-2147483647-1,2147483647);
- }
- else
- {
- if (prec <= 8) return CLAMP(value,0,255);
- else if (prec <= 16) return CLAMP(value,0,65535);
- else return value; /*CLAMP(value,0,4294967295);*/
+ if (sgnd) {
+ if (prec <= 8) {
+ return CLAMP(value, -128, 127);
+ } else if (prec <= 16) {
+ return CLAMP(value, -32768, 32767);
+ } else {
+ return CLAMP(value, -2147483647 - 1, 2147483647);
+ }
+ } else {
+ if (prec <= 8) {
+ return CLAMP(value, 0, 255);
+ } else if (prec <= 16) {
+ return CLAMP(value, 0, 65535);
+ } else {
+ return value; /*CLAMP(value,0,4294967295);*/
+ }
}
}
-int imagetopgx(opj_image_t * image, const char *outfile)
+int imagetopgx(opj_image_t * image, const char *outfile)
{
- int w, h;
- int i, j, fails = 1;
- unsigned int compno;
- FILE *fdest = NULL;
-
- for (compno = 0; compno < image->numcomps; compno++)
- {
- opj_image_comp_t *comp = &image->comps[compno];
- char bname[256]; /* buffer for name */
- char *name = bname; /* pointer */
- int nbytes = 0;
- size_t res;
- const size_t olen = strlen(outfile);
- const size_t dotpos = olen - 4;
- const size_t total = dotpos + 1 + 1 + 4; /* '-' + '[1-3]' + '.pgx' */
-
- if( outfile[dotpos] != '.' )
- {
- /* `pgx` was recognized but there is no dot at expected position */
- fprintf(stderr, "ERROR -> Impossible happen." );
- goto fin;
- }
- if( total > 256 )
- {
- name = (char*)malloc(total+1);
- }
- strncpy(name, outfile, dotpos);
- sprintf(name+dotpos, "_%d.pgx", compno);
- fdest = fopen(name, "wb");
- /* dont need name anymore */
- if( total > 256 ) free(name);
- if (!fdest)
- {
- fprintf(stderr, "ERROR -> failed to open %s for writing\n", name);
- goto fin;
- }
-
- w = (int)image->comps[compno].w;
- h = (int)image->comps[compno].h;
-
- fprintf(fdest, "PG ML %c %d %d %d\n", comp->sgnd ? '-' : '+', comp->prec,
- w, h);
-
- if (comp->prec <= 8)
- nbytes = 1;
- else if (comp->prec <= 16)
- nbytes = 2;
- else
- nbytes = 4;
-
- for (i = 0; i < w * h; i++)
- {
- /* FIXME: clamp func is being called within a loop */
- const int val = clamp(image->comps[compno].data[i],
- (int)comp->prec, (int)comp->sgnd);
-
- for (j = nbytes - 1; j >= 0; j--)
- {
- int v = (int)(val >> (j * 8));
- unsigned char byte = (unsigned char)v;
- res = fwrite(&byte, 1, 1, fdest);
-
- if( res < 1 )
- {
- fprintf(stderr, "failed to write 1 byte for %s\n", name);
- goto fin;
- }
- }
- }
- fclose(fdest); fdest = NULL;
- }
- fails = 0;
+ int w, h;
+ int i, j, fails = 1;
+ unsigned int compno;
+ FILE *fdest = NULL;
+
+ for (compno = 0; compno < image->numcomps; compno++) {
+ opj_image_comp_t *comp = &image->comps[compno];
+ char bname[256]; /* buffer for name */
+ char *name = bname; /* pointer */
+ int nbytes = 0;
+ size_t res;
+ const size_t olen = strlen(outfile);
+ const size_t dotpos = olen - 4;
+ const size_t total = dotpos + 1 + 1 + 4; /* '-' + '[1-3]' + '.pgx' */
+
+ if (outfile[dotpos] != '.') {
+ /* `pgx` was recognized but there is no dot at expected position */
+ fprintf(stderr, "ERROR -> Impossible happen.");
+ goto fin;
+ }
+ if (total > 256) {
+ name = (char*)malloc(total + 1);
+ if (name == NULL) {
+ fprintf(stderr, "imagetopgx: memory out\n");
+ goto fin;
+ }
+ }
+ strncpy(name, outfile, dotpos);
+ sprintf(name + dotpos, "_%u.pgx", compno);
+ fdest = fopen(name, "wb");
+ /* don't need name anymore */
+
+ if (!fdest) {
+
+ fprintf(stderr, "ERROR -> failed to open %s for writing\n", name);
+ if (total > 256) {
+ free(name);
+ }
+ goto fin;
+ }
+
+ w = (int)image->comps[compno].w;
+ h = (int)image->comps[compno].h;
+
+ fprintf(fdest, "PG ML %c %d %d %d\n", comp->sgnd ? '-' : '+', comp->prec,
+ w, h);
+
+ if (comp->prec <= 8) {
+ nbytes = 1;
+ } else if (comp->prec <= 16) {
+ nbytes = 2;
+ } else {
+ nbytes = 4;
+ }
+
+ if (nbytes == 1) {
+ unsigned char* line_buffer = malloc((size_t)w);
+ if (line_buffer == NULL) {
+ fprintf(stderr, "Out of memory");
+ if (total > 256) {
+ free(name);
+ }
+ goto fin;
+ }
+ for (j = 0; j < h; j++) {
+ if (comp->prec == 8 && comp->sgnd == 0) {
+ for (i = 0; i < w; i++) {
+ line_buffer[i] = (unsigned char)CLAMP(image->comps[compno].data[j * w + i], 0,
+ 255);
+ }
+ } else {
+ for (i = 0; i < w; i++) {
+ line_buffer[i] = (unsigned char)
+ clamp(image->comps[compno].data[j * w + i],
+ (int)comp->prec, (int)comp->sgnd);
+ }
+ }
+ res = fwrite(line_buffer, 1, (size_t)w, fdest);
+ if (res != (size_t)w) {
+ fprintf(stderr, "failed to write %d bytes for %s\n", w, name);
+ if (total > 256) {
+ free(name);
+ }
+ free(line_buffer);
+ goto fin;
+ }
+ }
+ free(line_buffer);
+ } else {
+
+ for (i = 0; i < w * h; i++) {
+ /* FIXME: clamp func is being called within a loop */
+ const int val = clamp(image->comps[compno].data[i],
+ (int)comp->prec, (int)comp->sgnd);
+
+ for (j = nbytes - 1; j >= 0; j--) {
+ int v = (int)(val >> (j * 8));
+ unsigned char byte = (unsigned char)v;
+ res = fwrite(&byte, 1, 1, fdest);
+
+ if (res < 1) {
+ fprintf(stderr, "failed to write 1 byte for %s\n", name);
+ if (total > 256) {
+ free(name);
+ }
+ goto fin;
+ }
+ }
+ }
+ }
+
+ if (total > 256) {
+ free(name);
+ }
+ fclose(fdest);
+ fdest = NULL;
+ }
+ fails = 0;
fin:
- if(fdest) fclose(fdest);
+ if (fdest) {
+ fclose(fdest);
+ }
- return fails;
+ return fails;
}
/* -->> -->> -->> -->>
<<-- <<-- <<-- <<-- */
-struct pnm_header
-{
+struct pnm_header {
int width, height, maxval, depth, format;
char rgb, rgba, gray, graya, bw;
char ok;
static char *skip_white(char *s)
{
- while(*s)
- {
- if(*s == '\n' || *s == '\r') return NULL;
- if(isspace(*s)) { ++s; continue; }
- return s;
+ if (s != NULL) {
+ while (*s) {
+ if (*s == '\n' || *s == '\r') {
+ return NULL;
+ }
+ if (isspace(*s)) {
+ ++s;
+ continue;
+ }
+ return s;
+ }
}
return NULL;
}
char *s;
char c;
- *out_n = 0; s = start;
+ *out_n = 0;
s = skip_white(start);
- if(s == NULL) return NULL;
+ if (s == NULL) {
+ return NULL;
+ }
start = s;
- while(*s)
- {
- if( !isdigit(*s)) break;
+ while (*s) {
+ if (!isdigit(*s)) {
+ break;
+ }
++s;
}
- c = *s; *s = 0; *out_n = atoi(start); *s = c;
+ c = *s;
+ *s = 0;
+ *out_n = atoi(start);
+ *s = c;
return s;
}
char c;
s = skip_white(start);
- if(s == NULL) return NULL;
+ if (s == NULL) {
+ return NULL;
+ }
start = s;
- while(*s)
- {
- if(isalpha(*s) || *s == '_') { ++s; continue; }
+ while (*s) {
+ if (isalpha(*s) || *s == '_') {
+ ++s;
+ continue;
+ }
break;
}
- c = *s; *s = 0; strncpy(out_idf, start, 255); *s = c;
+ c = *s;
+ *s = 0;
+ strncpy(out_idf, start, 255);
+ *s = c;
return s;
}
static void read_pnm_header(FILE *reader, struct pnm_header *ph)
{
- char *s;
- int format, have_wh, end, ttype;
+ int format, end, ttype;
char idf[256], type[256];
char line[256];
- if (fgets(line, 250, reader) == NULL)
- {
- fprintf(stderr,"\nWARNING: fgets return a NULL value");
+ if (fgets(line, 250, reader) == NULL) {
+ fprintf(stderr, "\nWARNING: fgets return a NULL value");
return;
}
- if(line[0] != 'P')
- {
- fprintf(stderr,"read_pnm_header:PNM:magic P missing\n"); return;
+ if (line[0] != 'P') {
+ fprintf(stderr, "read_pnm_header:PNM:magic P missing\n");
+ return;
}
format = atoi(line + 1);
- if(format < 1 || format > 7)
- {
- fprintf(stderr,"read_pnm_header:magic format %d invalid\n", format);
+ if (format < 1 || format > 7) {
+ fprintf(stderr, "read_pnm_header:magic format %d invalid\n", format);
return;
}
ph->format = format;
- ttype = end = have_wh = 0;
+ ttype = end = 0;
+
+ while (fgets(line, 250, reader)) {
+ char *s;
+ int allow_null = 0;
- while(fgets(line, 250, reader))
- {
- if(*line == '#') continue;
+ if (*line == '#') {
+ continue;
+ }
s = line;
- if(format == 7)
- {
+ if (format == 7) {
s = skip_idf(s, idf);
- if(s == NULL || *s == 0) return;
+ if (s == NULL || *s == 0) {
+ return;
+ }
- if(strcmp(idf, "ENDHDR") == 0)
- {
- end = 1; break;
+ if (strcmp(idf, "ENDHDR") == 0) {
+ end = 1;
+ break;
}
- if(strcmp(idf, "WIDTH") == 0)
- {
+ if (strcmp(idf, "WIDTH") == 0) {
s = skip_int(s, &ph->width);
- if(s == NULL || *s == 0) return;
+ if (s == NULL || *s == 0) {
+ return;
+ }
continue;
}
- if(strcmp(idf, "HEIGHT") == 0)
- {
+ if (strcmp(idf, "HEIGHT") == 0) {
s = skip_int(s, &ph->height);
- if(s == NULL || *s == 0) return;
+ if (s == NULL || *s == 0) {
+ return;
+ }
continue;
}
- if(strcmp(idf, "DEPTH") == 0)
- {
+ if (strcmp(idf, "DEPTH") == 0) {
s = skip_int(s, &ph->depth);
- if(s == NULL || *s == 0) return;
+ if (s == NULL || *s == 0) {
+ return;
+ }
continue;
}
- if(strcmp(idf, "MAXVAL") == 0)
- {
+ if (strcmp(idf, "MAXVAL") == 0) {
s = skip_int(s, &ph->maxval);
- if(s == NULL || *s == 0) return;
+ if (s == NULL || *s == 0) {
+ return;
+ }
continue;
}
- if(strcmp(idf, "TUPLTYPE") == 0)
- {
+ if (strcmp(idf, "TUPLTYPE") == 0) {
s = skip_idf(s, type);
- if(s == NULL || *s == 0) return;
+ if (s == NULL || *s == 0) {
+ return;
+ }
- if(strcmp(type, "BLACKANDWHITE") == 0)
- {
- ph->bw = 1; ttype = 1; continue;
+ if (strcmp(type, "BLACKANDWHITE") == 0) {
+ ph->bw = 1;
+ ttype = 1;
+ continue;
}
- if(strcmp(type, "GRAYSCALE") == 0)
- {
- ph->gray = 1; ttype = 1; continue;
+ if (strcmp(type, "GRAYSCALE") == 0) {
+ ph->gray = 1;
+ ttype = 1;
+ continue;
}
- if(strcmp(type, "GRAYSCALE_ALPHA") == 0)
- {
- ph->graya = 1; ttype = 1; continue;
+ if (strcmp(type, "GRAYSCALE_ALPHA") == 0) {
+ ph->graya = 1;
+ ttype = 1;
+ continue;
}
- if(strcmp(type, "RGB") == 0)
- {
- ph->rgb = 1; ttype = 1; continue;
+ if (strcmp(type, "RGB") == 0) {
+ ph->rgb = 1;
+ ttype = 1;
+ continue;
}
- if(strcmp(type, "RGB_ALPHA") == 0)
- {
- ph->rgba = 1; ttype = 1; continue;
+ if (strcmp(type, "RGB_ALPHA") == 0) {
+ ph->rgba = 1;
+ ttype = 1;
+ continue;
}
- fprintf(stderr,"read_pnm_header:unknown P7 TUPLTYPE %s\n",type);
+ fprintf(stderr, "read_pnm_header:unknown P7 TUPLTYPE %s\n", type);
return;
}
- fprintf(stderr,"read_pnm_header:unknown P7 idf %s\n",idf);
+ fprintf(stderr, "read_pnm_header:unknown P7 idf %s\n", idf);
return;
} /* if(format == 7) */
- if( !have_wh)
- {
+ /* Here format is in range [1,6] */
+ if (ph->width == 0) {
s = skip_int(s, &ph->width);
-
+ if ((s == NULL) || (*s == 0) || (ph->width < 1)) {
+ return;
+ }
+ allow_null = 1;
+ }
+ if (ph->height == 0) {
s = skip_int(s, &ph->height);
-
- have_wh = 1;
-
- if(format == 1 || format == 4) break;
-
+ if ((s == NULL) && allow_null) {
+ continue;
+ }
+ if ((s == NULL) || (*s == 0) || (ph->height < 1)) {
+ return;
+ }
+ if (format == 1 || format == 4) {
+ break;
+ }
+ allow_null = 1;
+ }
+ /* here, format is in P2, P3, P5, P6 */
+ s = skip_int(s, &ph->maxval);
+ if ((s == NULL) && allow_null) {
continue;
}
- if(format == 2 || format == 3 || format == 5 || format == 6)
- {
- /* P2, P3, P5, P6: */
- s = skip_int(s, &ph->maxval);
-
- if(ph->maxval > 65535) return;
+ if ((s == NULL) || (*s == 0)) {
+ return;
}
break;
}/* while(fgets( ) */
- if(format == 2 || format == 3 || format > 4)
- {
- if(ph->maxval < 1 || ph->maxval > 65535) return;
+ if (format == 2 || format == 3 || format > 4) {
+ if (ph->maxval < 1 || ph->maxval > 65535) {
+ return;
+ }
+ }
+ if (ph->width < 1 || ph->height < 1) {
+ return;
}
- if(ph->width < 1 || ph->height < 1) return;
- if(format == 7)
- {
- if(!end)
- {
- fprintf(stderr,"read_pnm_header:P7 without ENDHDR\n"); return;
+ if (format == 7) {
+ if (!end) {
+ fprintf(stderr, "read_pnm_header:P7 without ENDHDR\n");
+ return;
+ }
+ if (ph->depth < 1 || ph->depth > 4) {
+ return;
}
- if(ph->depth < 1 || ph->depth > 4) return;
- if(ph->width && ph->height && ph->depth && ph->maxval && ttype)
+ if (ttype) {
ph->ok = 1;
- }
- else
- {
- if(format != 1 && format != 4)
- {
- if(ph->width && ph->height && ph->maxval) ph->ok = 1;
}
- else
- {
- if(ph->width && ph->height) ph->ok = 1;
+ } else {
+ ph->ok = 1;
+ if (format == 1 || format == 4) {
ph->maxval = 255;
}
}
static int has_prec(int val)
{
- if(val < 2) return 1;
- if(val < 4) return 2;
- if(val < 8) return 3;
- if(val < 16) return 4;
- if(val < 32) return 5;
- if(val < 64) return 6;
- if(val < 128) return 7;
- if(val < 256) return 8;
- if(val < 512) return 9;
- if(val < 1024) return 10;
- if(val < 2048) return 11;
- if(val < 4096) return 12;
- if(val < 8192) return 13;
- if(val < 16384) return 14;
- if(val < 32768) return 15;
+ if (val < 2) {
+ return 1;
+ }
+ if (val < 4) {
+ return 2;
+ }
+ if (val < 8) {
+ return 3;
+ }
+ if (val < 16) {
+ return 4;
+ }
+ if (val < 32) {
+ return 5;
+ }
+ if (val < 64) {
+ return 6;
+ }
+ if (val < 128) {
+ return 7;
+ }
+ if (val < 256) {
+ return 8;
+ }
+ if (val < 512) {
+ return 9;
+ }
+ if (val < 1024) {
+ return 10;
+ }
+ if (val < 2048) {
+ return 11;
+ }
+ if (val < 4096) {
+ return 12;
+ }
+ if (val < 8192) {
+ return 13;
+ }
+ if (val < 16384) {
+ return 14;
+ }
+ if (val < 32768) {
+ return 15;
+ }
return 16;
}
-opj_image_t* pnmtoimage(const char *filename, opj_cparameters_t *parameters) {
+opj_image_t* pnmtoimage(const char *filename, opj_cparameters_t *parameters)
+{
int subsampling_dx = parameters->subsampling_dx;
int subsampling_dy = parameters->subsampling_dy;
opj_image_t * image = NULL;
struct pnm_header header_info;
- if((fp = fopen(filename, "rb")) == NULL)
- {
- fprintf(stderr, "pnmtoimage:Failed to open %s for reading!\n",filename);
+ if ((fp = fopen(filename, "rb")) == NULL) {
+ fprintf(stderr, "pnmtoimage:Failed to open %s for reading!\n", filename);
return NULL;
}
memset(&header_info, 0, sizeof(struct pnm_header));
read_pnm_header(fp, &header_info);
- if(!header_info.ok) { fclose(fp); return NULL; }
+ if (!header_info.ok) {
+ fclose(fp);
+ return NULL;
+ }
+
+ if (header_info.width == 0
+ || header_info.height == 0
+ || (header_info.format == 7 && header_info.depth == 0)) {
+ fclose(fp);
+ return NULL;
+ }
+
+ /* This limitation could be removed by making sure to use size_t below */
+ if (header_info.height != 0 &&
+ header_info.width > INT_MAX / header_info.height) {
+ fprintf(stderr, "pnmtoimage:Image %dx%d too big!\n",
+ header_info.width, header_info.height);
+ fclose(fp);
+ return NULL;
+ }
format = header_info.format;
- switch(format)
- {
+ switch (format) {
case 1: /* ascii bitmap */
case 4: /* raw bitmap */
numcomps = 1;
numcomps = header_info.depth;
break;
- default: fclose(fp); return NULL;
+ default:
+ fclose(fp);
+ return NULL;
+ }
+ if (numcomps < 3) {
+ color_space = OPJ_CLRSPC_GRAY; /* GRAY, GRAYA */
+ } else {
+ color_space = OPJ_CLRSPC_SRGB; /* RGB, RGBA */
}
- if(numcomps < 3)
- color_space = OPJ_CLRSPC_GRAY;/* GRAY, GRAYA */
- else
- color_space = OPJ_CLRSPC_SRGB;/* RGB, RGBA */
prec = has_prec(header_info.maxval);
- if(prec < 8) prec = 8;
+ if (prec < 8) {
+ prec = 8;
+ }
w = header_info.width;
h = header_info.height;
memset(&cmptparm[0], 0, (size_t)numcomps * sizeof(opj_image_cmptparm_t));
- for(i = 0; i < numcomps; i++)
- {
+ for (i = 0; i < numcomps; i++) {
cmptparm[i].prec = (OPJ_UINT32)prec;
cmptparm[i].bpp = (OPJ_UINT32)prec;
cmptparm[i].sgnd = 0;
}
image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm[0], color_space);
- if(!image) { fclose(fp); return NULL; }
+ if (!image) {
+ fclose(fp);
+ return NULL;
+ }
/* set image offset and reference grid */
image->x0 = (OPJ_UINT32)parameters->image_offset_x0;
image->y0 = (OPJ_UINT32)parameters->image_offset_y0;
- image->x1 = (OPJ_UINT32)(parameters->image_offset_x0 + (w - 1) * subsampling_dx + 1);
- image->y1 = (OPJ_UINT32)(parameters->image_offset_y0 + (h - 1) * subsampling_dy + 1);
+ image->x1 = (OPJ_UINT32)(parameters->image_offset_x0 + (w - 1) * subsampling_dx
+ + 1);
+ image->y1 = (OPJ_UINT32)(parameters->image_offset_y0 + (h - 1) * subsampling_dy
+ + 1);
- if((format == 2) || (format == 3)) /* ascii pixmap */
- {
+ if ((format == 2) || (format == 3)) { /* ascii pixmap */
unsigned int index;
- for (i = 0; i < w * h; i++)
- {
- for(compno = 0; compno < numcomps; compno++)
- {
+ for (i = 0; i < w * h; i++) {
+ for (compno = 0; compno < numcomps; compno++) {
index = 0;
- if (fscanf(fp, "%u", &index) != 1)
- fprintf(stderr, "\nWARNING: fscanf return a number of element different from the expected.\n");
+ if (fscanf(fp, "%u", &index) != 1) {
+ fprintf(stderr, "Missing data. Quitting.\n");
+ opj_image_destroy(image);
+ fclose(fp);
+ return NULL;
+ }
- image->comps[compno].data[i] = (OPJ_INT32)(index * 255)/header_info.maxval;
+ image->comps[compno].data[i] = (OPJ_INT32)(index * 255) / header_info.maxval;
}
}
- }
- else
- if((format == 5)
- || (format == 6)
- ||((format == 7)
- && ( header_info.gray || header_info.graya
- || header_info.rgb || header_info.rgba)))/* binary pixmap */
- {
- unsigned char c0, c1, one;
-
- one = (prec < 9);
-
- for (i = 0; i < w * h; i++)
- {
- for(compno = 0; compno < numcomps; compno++)
- {
- if ( !fread(&c0, 1, 1, fp) )
- {
- fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
- opj_image_destroy(image);
- return NULL;
- }
- if(one)
- {
- image->comps[compno].data[i] = c0;
- }
- else
- {
- if ( !fread(&c1, 1, 1, fp) )
- fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
- /* netpbm: */
- image->comps[compno].data[i] = ((c0<<8) | c1);
+ } else if ((format == 5)
+ || (format == 6)
+ || ((format == 7)
+ && (header_info.gray || header_info.graya
+ || header_info.rgb || header_info.rgba))) { /* binary pixmap */
+ unsigned char c0, c1, one;
+
+ one = (prec < 9);
+
+ for (i = 0; i < w * h; i++) {
+ for (compno = 0; compno < numcomps; compno++) {
+ if (!fread(&c0, 1, 1, fp)) {
+ fprintf(stderr, "Missing data. Quitting.\n");
+ opj_image_destroy(image);
+ fclose(fp);
+ return NULL;
+ }
+ if (one) {
+ image->comps[compno].data[i] = c0;
+ } else {
+ if (!fread(&c1, 1, 1, fp)) {
+ fprintf(stderr, "Missing data. Quitting.\n");
+ opj_image_destroy(image);
+ fclose(fp);
+ return NULL;
}
+ /* netpbm: */
+ image->comps[compno].data[i] = ((c0 << 8) | c1);
}
}
}
- else
- if(format == 1) /* ascii bitmap */
- {
- for (i = 0; i < w * h; i++)
- {
- unsigned int index;
-
- if ( fscanf(fp, "%u", &index) != 1)
- fprintf(stderr, "\nWARNING: fscanf return a number of element different from the expected.\n");
+ } else if (format == 1) { /* ascii bitmap */
+ for (i = 0; i < w * h; i++) {
+ unsigned int index;
- image->comps[0].data[i] = (index?0:255);
- }
+ if (fscanf(fp, "%u", &index) != 1) {
+ fprintf(stderr, "Missing data. Quitting.\n");
+ opj_image_destroy(image);
+ fclose(fp);
+ return NULL;
}
- else
- if(format == 4)
- {
- int x, y, bit;
- unsigned char uc;
-
- i = 0;
- for(y = 0; y < h; ++y)
- {
- bit = -1; uc = 0;
-
- for(x = 0; x < w; ++x)
- {
- if(bit == -1)
- {
- bit = 7;
- uc = (unsigned char)getc(fp);
- }
- image->comps[0].data[i] = (((uc>>bit) & 1)?0:255);
- --bit; ++i;
- }
+
+ image->comps[0].data[i] = (index ? 0 : 255);
+ }
+ } else if (format == 4) {
+ int x, y, bit;
+ int uc;
+
+ i = 0;
+ for (y = 0; y < h; ++y) {
+ bit = -1;
+ uc = 0;
+
+ for (x = 0; x < w; ++x) {
+ if (bit == -1) {
+ bit = 7;
+ uc = getc(fp);
+ if (uc == EOF) {
+ fprintf(stderr, "Missing data. Quitting.\n");
+ opj_image_destroy(image);
+ fclose(fp);
+ return NULL;
}
}
- else
- if((format == 7 && header_info.bw)) /*MONO*/
- {
- unsigned char uc;
-
- for(i = 0; i < w * h; ++i)
- {
- if ( !fread(&uc, 1, 1, fp) )
- fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
- image->comps[0].data[i] = (uc & 1)?0:255;
- }
- }
- fclose(fp);
-
- return image;
-}/* pnmtoimage() */
+ image->comps[0].data[i] = ((((unsigned char)uc >> bit) & 1) ? 0 : 255);
+ --bit;
+ ++i;
+ }
+ }
+ } else if ((format == 7 && header_info.bw)) { /*MONO*/
+ unsigned char uc;
-int imagetopnm(opj_image_t * image, const char *outfile)
-{
+ for (i = 0; i < w * h; ++i) {
+ if (!fread(&uc, 1, 1, fp)) {
+ fprintf(stderr, "Missing data. Quitting.\n");
+ opj_image_destroy(image);
+ fclose(fp);
+ return NULL;
+ }
+ image->comps[0].data[i] = (uc & 1) ? 0 : 255;
+ }
+ }
+ fclose(fp);
+
+ return image;
+}/* pnmtoimage() */
+
+static int are_comps_similar(opj_image_t * image)
+{
+ unsigned int i;
+ for (i = 1; i < image->numcomps; i++) {
+ if (image->comps[0].dx != image->comps[i].dx ||
+ image->comps[0].dy != image->comps[i].dy ||
+ (i <= 2 &&
+ (image->comps[0].prec != image->comps[i].prec ||
+ image->comps[0].sgnd != image->comps[i].sgnd))) {
+ return OPJ_FALSE;
+ }
+ }
+ return OPJ_TRUE;
+}
+
+
+int imagetopnm(opj_image_t * image, const char *outfile, int force_split)
+{
int *red, *green, *blue, *alpha;
int wr, hr, max;
int i;
const char *tmp = outfile;
char *destname;
- alpha = NULL;
+ alpha = NULL;
- if((prec = (int)image->comps[0].prec) > 16)
- {
- fprintf(stderr,"%s:%d:imagetopnm\n\tprecision %d is larger than 16"
- "\n\t: refused.\n",__FILE__,__LINE__,prec);
+ if ((prec = (int)image->comps[0].prec) > 16) {
+ fprintf(stderr, "%s:%d:imagetopnm\n\tprecision %d is larger than 16"
+ "\n\t: refused.\n", __FILE__, __LINE__, prec);
return 1;
}
- two = has_alpha = 0; fails = 1;
+ two = has_alpha = 0;
+ fails = 1;
ncomp = image->numcomps;
- while (*tmp) ++tmp; tmp -= 2;
+ while (*tmp) {
+ ++tmp;
+ }
+ tmp -= 2;
want_gray = (*tmp == 'g' || *tmp == 'G');
ncomp = image->numcomps;
- if(want_gray) ncomp = 1;
-
- if (ncomp == 2 /* GRAYA */
- || (ncomp > 2 /* RGB, RGBA */
- && image->comps[0].dx == image->comps[1].dx
- && image->comps[1].dx == image->comps[2].dx
- && image->comps[0].dy == image->comps[1].dy
- && image->comps[1].dy == image->comps[2].dy
- && image->comps[0].prec == image->comps[1].prec
- && image->comps[1].prec == image->comps[2].prec
- ))
- {
+ if (want_gray) {
+ ncomp = 1;
+ }
+
+ if ((force_split == 0) && ncomp >= 2 &&
+ are_comps_similar(image)) {
fdest = fopen(outfile, "wb");
- if (!fdest)
- {
+ if (!fdest) {
fprintf(stderr, "ERROR -> failed to open %s for writing\n", outfile);
return fails;
}
two = (prec > 8);
triple = (ncomp > 2);
- wr = (int)image->comps[0].w; hr = (int)image->comps[0].h;
- max = (1<<prec) - 1; has_alpha = (ncomp == 4 || ncomp == 2);
+ wr = (int)image->comps[0].w;
+ hr = (int)image->comps[0].h;
+ max = (1 << prec) - 1;
+ has_alpha = (ncomp == 4 || ncomp == 2);
red = image->comps[0].data;
- if(triple)
- {
+ if (triple) {
green = image->comps[1].data;
blue = image->comps[2].data;
+ } else {
+ green = blue = NULL;
}
- else green = blue = NULL;
- if(has_alpha)
- {
- const char *tt = (triple?"RGB_ALPHA":"GRAYSCALE_ALPHA");
+ if (has_alpha) {
+ const char *tt = (triple ? "RGB_ALPHA" : "GRAYSCALE_ALPHA");
- fprintf(fdest, "P7\n# OpenJPEG-%s\nWIDTH %d\nHEIGHT %d\nDEPTH %d\n"
+ fprintf(fdest, "P7\n# OpenJPEG-%s\nWIDTH %d\nHEIGHT %d\nDEPTH %u\n"
"MAXVAL %d\nTUPLTYPE %s\nENDHDR\n", opj_version(),
wr, hr, ncomp, max, tt);
alpha = image->comps[ncomp - 1].data;
adjustA = (image->comps[ncomp - 1].sgnd ?
- 1 << (image->comps[ncomp - 1].prec - 1) : 0);
- }
- else
- {
+ 1 << (image->comps[ncomp - 1].prec - 1) : 0);
+ } else {
fprintf(fdest, "P6\n# OpenJPEG-%s\n%d %d\n%d\n",
opj_version(), wr, hr, max);
adjustA = 0;
}
adjustR = (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
- if(triple)
- {
+ if (triple) {
adjustG = (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0);
adjustB = (image->comps[2].sgnd ? 1 << (image->comps[2].prec - 1) : 0);
+ } else {
+ adjustG = adjustB = 0;
}
- else adjustG = adjustB = 0;
- for(i = 0; i < wr * hr; ++i)
- {
- if(two)
- {
- v = *red + adjustR; ++red;
-if(v > 65535) v = 65535; else if(v < 0) v = 0;
+ for (i = 0; i < wr * hr; ++i) {
+ if (two) {
+ v = *red + adjustR;
+ ++red;
+ if (v > 65535) {
+ v = 65535;
+ } else if (v < 0) {
+ v = 0;
+ }
/* netpbm: */
- fprintf(fdest, "%c%c",(unsigned char)(v>>8), (unsigned char)v);
-
- if(triple)
- {
- v = *green + adjustG; ++green;
-if(v > 65535) v = 65535; else if(v < 0) v = 0;
+ fprintf(fdest, "%c%c", (unsigned char)(v >> 8), (unsigned char)v);
+
+ if (triple) {
+ v = *green + adjustG;
+ ++green;
+ if (v > 65535) {
+ v = 65535;
+ } else if (v < 0) {
+ v = 0;
+ }
/* netpbm: */
- fprintf(fdest, "%c%c",(unsigned char)(v>>8), (unsigned char)v);
-
- v = *blue + adjustB; ++blue;
-if(v > 65535) v = 65535; else if(v < 0) v = 0;
+ fprintf(fdest, "%c%c", (unsigned char)(v >> 8), (unsigned char)v);
+
+ v = *blue + adjustB;
+ ++blue;
+ if (v > 65535) {
+ v = 65535;
+ } else if (v < 0) {
+ v = 0;
+ }
/* netpbm: */
- fprintf(fdest, "%c%c",(unsigned char)(v>>8), (unsigned char)v);
+ fprintf(fdest, "%c%c", (unsigned char)(v >> 8), (unsigned char)v);
}/* if(triple) */
- if(has_alpha)
- {
- v = *alpha + adjustA; ++alpha;
- if(v > 65535) v = 65535; else if(v < 0) v = 0;
+ if (has_alpha) {
+ v = *alpha + adjustA;
+ ++alpha;
+ if (v > 65535) {
+ v = 65535;
+ } else if (v < 0) {
+ v = 0;
+ }
/* netpbm: */
- fprintf(fdest, "%c%c",(unsigned char)(v>>8), (unsigned char)v);
+ fprintf(fdest, "%c%c", (unsigned char)(v >> 8), (unsigned char)v);
}
continue;
- } /* if(two) */
+ } /* if(two) */
/* prec <= 8: */
- v = *red++;
- if(v > 255) v = 255; else if(v < 0) v = 0;
+ v = *red++;
+ if (v > 255) {
+ v = 255;
+ } else if (v < 0) {
+ v = 0;
+ }
- fprintf(fdest, "%c", (unsigned char)v);
- if(triple)
- {
- v = *green++;
- if(v > 255) v = 255; else if(v < 0) v = 0;
+ fprintf(fdest, "%c", (unsigned char)v);
+ if (triple) {
+ v = *green++;
+ if (v > 255) {
+ v = 255;
+ } else if (v < 0) {
+ v = 0;
+ }
- fprintf(fdest, "%c", (unsigned char)v);
- v = *blue++;
- if(v > 255) v = 255; else if(v < 0) v = 0;
+ fprintf(fdest, "%c", (unsigned char)v);
+ v = *blue++;
+ if (v > 255) {
+ v = 255;
+ } else if (v < 0) {
+ v = 0;
+ }
- fprintf(fdest, "%c", (unsigned char)v);
- }
- if(has_alpha)
- {
- v = *alpha++;
- if(v > 255) v = 255; else if(v < 0) v = 0;
+ fprintf(fdest, "%c", (unsigned char)v);
+ }
+ if (has_alpha) {
+ v = *alpha++;
+ if (v > 255) {
+ v = 255;
+ } else if (v < 0) {
+ v = 0;
+ }
- fprintf(fdest, "%c", (unsigned char)v);
- }
- } /* for(i */
+ fprintf(fdest, "%c", (unsigned char)v);
+ }
+ } /* for(i */
- fclose(fdest); return 0;
+ fclose(fdest);
+ return 0;
}
/* YUV or MONO: */
- if (image->numcomps > ncomp)
- {
- fprintf(stderr,"WARNING -> [PGM file] Only the first component\n");
- fprintf(stderr," is written to the file\n");
+ if (image->numcomps > ncomp) {
+ fprintf(stderr, "WARNING -> [PGM file] Only the first component\n");
+ fprintf(stderr, " is written to the file\n");
}
destname = (char*)malloc(strlen(outfile) + 8);
+ if (destname == NULL) {
+ fprintf(stderr, "imagetopnm: memory out\n");
+ return 1;
+ }
+ for (compno = 0; compno < ncomp; compno++) {
+ if (ncomp > 1) {
+ /*sprintf(destname, "%d.%s", compno, outfile);*/
+ const size_t olen = strlen(outfile);
+ const size_t dotpos = olen - 4;
- for (compno = 0; compno < ncomp; compno++)
- {
- if (ncomp > 1)
- {
- /*sprintf(destname, "%d.%s", compno, outfile);*/
- const size_t olen = strlen(outfile);
- const size_t dotpos = olen - 4;
-
- strncpy(destname, outfile, dotpos);
- sprintf(destname+dotpos, "_%d.pgm", compno);
- }
- else
+ strncpy(destname, outfile, dotpos);
+ sprintf(destname + dotpos, "_%u.pgm", compno);
+ } else {
sprintf(destname, "%s", outfile);
+ }
fdest = fopen(destname, "wb");
- if (!fdest)
- {
+ if (!fdest) {
fprintf(stderr, "ERROR -> failed to open %s for writing\n", destname);
free(destname);
return 1;
}
- wr = (int)image->comps[compno].w; hr = (int)image->comps[compno].h;
+ wr = (int)image->comps[compno].w;
+ hr = (int)image->comps[compno].h;
prec = (int)image->comps[compno].prec;
- max = (1<<prec) - 1;
+ max = (1 << prec) - 1;
fprintf(fdest, "P5\n#OpenJPEG-%s\n%d %d\n%d\n",
opj_version(), wr, hr, max);
red = image->comps[compno].data;
adjustR =
- (image->comps[compno].sgnd ? 1 << (image->comps[compno].prec - 1) : 0);
-
- if(prec > 8)
- {
- for (i = 0; i < wr * hr; i++)
- {
- v = *red + adjustR; ++red;
-if(v > 65535) v = 65535; else if(v < 0) v = 0;
+ (image->comps[compno].sgnd ? 1 << (image->comps[compno].prec - 1) : 0);
+
+ if (prec > 8) {
+ for (i = 0; i < wr * hr; i++) {
+ v = *red + adjustR;
+ ++red;
+ if (v > 65535) {
+ v = 65535;
+ } else if (v < 0) {
+ v = 0;
+ }
/* netpbm: */
- fprintf(fdest, "%c%c",(unsigned char)(v>>8), (unsigned char)v);
+ fprintf(fdest, "%c%c", (unsigned char)(v >> 8), (unsigned char)v);
- if(has_alpha)
- {
+ if (has_alpha) {
v = *alpha++;
-if(v > 65535) v = 65535; else if(v < 0) v = 0;
+ if (v > 65535) {
+ v = 65535;
+ } else if (v < 0) {
+ v = 0;
+ }
/* netpbm: */
- fprintf(fdest, "%c%c",(unsigned char)(v>>8), (unsigned char)v);
+ fprintf(fdest, "%c%c", (unsigned char)(v >> 8), (unsigned char)v);
}
}/* for(i */
- }
- else /* prec <= 8 */
- {
- for(i = 0; i < wr * hr; ++i)
- {
- v = *red + adjustR; ++red;
- if(v > 255) v = 255; else if(v < 0) v = 0;
+ } else { /* prec <= 8 */
+ for (i = 0; i < wr * hr; ++i) {
+ v = *red + adjustR;
+ ++red;
+ if (v > 255) {
+ v = 255;
+ } else if (v < 0) {
+ v = 0;
+ }
- fprintf(fdest, "%c", (unsigned char)v);
+ fprintf(fdest, "%c", (unsigned char)v);
}
}
fclose(fdest);
return 0;
}/* imagetopnm() */
-#ifdef OPJ_HAVE_LIBTIFF
-/* -->> -->> -->> -->>
-
- TIFF IMAGE FORMAT
-
- <<-- <<-- <<-- <<-- */
-
-int imagetotif(opj_image_t * image, const char *outfile)
-{
- int width, height, imgsize;
- int bps,index,adjust, sgnd;
- int ushift, dshift, has_alpha, force16;
- TIFF *tif;
- tdata_t buf;
- tstrip_t strip;
- tsize_t strip_size;
-
- ushift = dshift = force16 = has_alpha = 0;
- bps = (int)image->comps[0].prec;
-
- if(bps > 8 && bps < 16)
- {
- ushift = 16 - bps; dshift = bps - ushift;
- bps = 16; force16 = 1;
- }
-
- if(bps != 8 && bps != 16)
- {
- fprintf(stderr,"imagetotif: Bits=%d, Only 8 and 16 bits implemented\n",
- bps);
- fprintf(stderr,"\tAborting\n");
- return 1;
- }
- tif = TIFFOpen(outfile, "wb");
-
- if (!tif)
- {
- fprintf(stderr, "imagetotif:failed to open %s for writing\n", outfile);
- return 1;
- }
- sgnd = (int)image->comps[0].sgnd;
- adjust = sgnd ? 1 << (image->comps[0].prec - 1) : 0;
-
- if(image->numcomps >= 3
- && image->comps[0].dx == image->comps[1].dx
- && image->comps[1].dx == image->comps[2].dx
- && image->comps[0].dy == image->comps[1].dy
- && image->comps[1].dy == image->comps[2].dy
- && image->comps[0].prec == image->comps[1].prec
- && image->comps[1].prec == image->comps[2].prec)
- {
- has_alpha = (image->numcomps == 4);
-
- width = (int)image->comps[0].w;
- height = (int)image->comps[0].h;
- imgsize = width * height ;
-
- TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, width);
- TIFFSetField(tif, TIFFTAG_IMAGELENGTH, height);
- TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 3 + has_alpha);
- TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, bps);
- TIFFSetField(tif, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT);
- TIFFSetField(tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
- TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB);
- TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, 1);
- strip_size = TIFFStripSize(tif);
- buf = _TIFFmalloc(strip_size);
- index=0;
-
- for(strip = 0; strip < TIFFNumberOfStrips(tif); strip++)
- {
- unsigned char *dat8;
- tsize_t i, ssize, last_i = 0;
- int step, restx;
- ssize = TIFFStripSize(tif);
- dat8 = (unsigned char*)buf;
-
- if(bps == 8)
- {
- step = 3 + has_alpha;
- restx = step - 1;
-
- for(i=0; i < ssize - restx; i += step)
- {
- int r, g, b, a = 0;
-
- if(index < imgsize)
- {
- r = image->comps[0].data[index];
- g = image->comps[1].data[index];
- b = image->comps[2].data[index];
- if(has_alpha) a = image->comps[3].data[index];
-
- if(sgnd)
- {
- r += adjust;
- g += adjust;
- b += adjust;
- if(has_alpha) a += adjust;
- }
- if(r > 255) r = 255; else if(r < 0) r = 0;
- dat8[i+0] = (unsigned char)r ;
- if(g > 255) g = 255; else if(g < 0) g = 0;
- dat8[i+1] = (unsigned char)g ;
- if(b > 255) b = 255; else if(b < 0) b = 0;
- dat8[i+2] = (unsigned char)b ;
- if(has_alpha)
- {
- if(a > 255) a = 255; else if(a < 0) a = 0;
- dat8[i+3] = (unsigned char)a;
- }
-
- index++;
- last_i = i + step;
- }
- else
- break;
- }/*for(i = 0;)*/
-
- if(last_i < ssize)
- {
- for(i = last_i; i < ssize; i += step)
- {
- int r, g, b, a = 0;
-
- if(index < imgsize)
- {
- r = image->comps[0].data[index];
- g = image->comps[1].data[index];
- b = image->comps[2].data[index];
- if(has_alpha) a = image->comps[3].data[index];
-
- if(sgnd)
- {
- r += adjust;
- g += adjust;
- b += adjust;
- if(has_alpha) a += adjust;
- }
- if(r > 255) r = 255; else if(r < 0) r = 0;
- if(g > 255) g = 255; else if(g < 0) g = 0;
- if(b > 255) b = 255; else if(b < 0) b = 0;
-
- dat8[i+0] = (unsigned char)r ;
- if(i+1 < ssize) dat8[i+1] = (unsigned char)g ; else break;
- if(i+2 < ssize) dat8[i+2] = (unsigned char)b ; else break;
- if(has_alpha)
- {
- if(a > 255) a = 255; else if(a < 0) a = 0;
-
- if(i+3 < ssize) dat8[i+3] = (unsigned char)a ; else break;
- }
- index++;
- }
- else
- break;
- }/*for(i)*/
- }/*if(last_i < ssize)*/
-
- } /*if(bps == 8)*/
- else
- if(bps == 16)
- {
- step = 6 + has_alpha + has_alpha;
- restx = step - 1;
-
- for(i = 0; i < ssize - restx ; i += step)
- {
- int r, g, b, a = 0;
-
- if(index < imgsize)
- {
- r = image->comps[0].data[index];
- g = image->comps[1].data[index];
- b = image->comps[2].data[index];
- if(has_alpha) a = image->comps[3].data[index];
-
- if(sgnd)
- {
- r += adjust;
- g += adjust;
- b += adjust;
- if(has_alpha) a += adjust;
- }
- if(force16)
- {
- r = (r<<ushift) + (r>>dshift);
- g = (g<<ushift) + (g>>dshift);
- b = (b<<ushift) + (b>>dshift);
- if(has_alpha) a = (a<<ushift) + (a>>dshift);
- }
- if(r > 65535) r = 65535; else if(r < 0) r = 0;
- if(g > 65535) g = 65535; else if(g < 0) g = 0;
- if(b > 65535) b = 65535; else if(b < 0) b = 0;
-
- dat8[i+0] = (unsigned char)r;/*LSB*/
- dat8[i+1] = (unsigned char)(r >> 8);/*MSB*/
- dat8[i+2] = (unsigned char)g;
- dat8[i+3] = (unsigned char)(g >> 8);
- dat8[i+4] = (unsigned char)b;
- dat8[i+5] = (unsigned char)(b >> 8);
- if(has_alpha)
- {
- if(a > 65535) a = 65535; else if(a < 0) a = 0;
- dat8[i+6] = (unsigned char)a;
- dat8[i+7] = (unsigned char)(a >> 8);
- }
- index++;
- last_i = i + step;
- }
- else
- break;
- }/*for(i = 0;)*/
-
- if(last_i < ssize)
- {
- for(i = last_i ; i < ssize ; i += step)
- {
- int r, g, b, a = 0;
-
- if(index < imgsize)
- {
- r = image->comps[0].data[index];
- g = image->comps[1].data[index];
- b = image->comps[2].data[index];
- if(has_alpha) a = image->comps[3].data[index];
-
- if(sgnd)
- {
- r += adjust;
- g += adjust;
- b += adjust;
- if(has_alpha) a += adjust;
- }
- if(force16)
- {
- r = (r<<ushift) + (r>>dshift);
- g = (g<<ushift) + (g>>dshift);
- b = (b<<ushift) + (b>>dshift);
- if(has_alpha) a = (a<<ushift) + (a>>dshift);
- }
- if(r > 65535) r = 65535; else if(r < 0) r = 0;
- if(g > 65535) g = 65535; else if(g < 0) g = 0;
- if(b > 65535) b = 65535; else if(b < 0) b = 0;
-
- dat8[i+0] = (unsigned char) r;/*LSB*/
- if(i+1 < ssize) dat8[i+1] = (unsigned char)(r >> 8);else break;/*MSB*/
- if(i+2 < ssize) dat8[i+2] = (unsigned char) g; else break;
- if(i+3 < ssize) dat8[i+3] = (unsigned char)(g >> 8);else break;
- if(i+4 < ssize) dat8[i+4] = (unsigned char) b; else break;
- if(i+5 < ssize) dat8[i+5] = (unsigned char)(b >> 8);else break;
-
- if(has_alpha)
- {
- if(a > 65535) a = 65535; else if(a < 0) a = 0;
- if(i+6 < ssize) dat8[i+6] = (unsigned char)a; else break;
- if(i+7 < ssize) dat8[i+7] = (unsigned char)(a >> 8); else break;
- }
- index++;
- }
- else
- break;
- }/*for(i)*/
- }/*if(last_i < ssize)*/
-
- }/*if(bps == 16)*/
- (void)TIFFWriteEncodedStrip(tif, strip, (void*)buf, strip_size);
- }/*for(strip = 0; )*/
-
- _TIFFfree((void*)buf);
- TIFFClose(tif);
-
- return 0;
- }/*RGB(A)*/
-
- if(image->numcomps == 1 /* GRAY */
- || ( image->numcomps == 2 /* GRAY_ALPHA */
- && image->comps[0].dx == image->comps[1].dx
- && image->comps[0].dy == image->comps[1].dy
- && image->comps[0].prec == image->comps[1].prec))
- {
- int step;
-
- has_alpha = (image->numcomps == 2);
-
- width = (int)image->comps[0].w;
- height = (int)image->comps[0].h;
- imgsize = width * height;
-
- /* Set tags */
- TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, width);
- TIFFSetField(tif, TIFFTAG_IMAGELENGTH, height);
- TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 1 + has_alpha);
- TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, bps);
- TIFFSetField(tif, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT);
- TIFFSetField(tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
- TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISBLACK);
- TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, 1);
-
- /* Get a buffer for the data */
- strip_size = TIFFStripSize(tif);
- buf = _TIFFmalloc(strip_size);
- index = 0;
-
- for(strip = 0; strip < TIFFNumberOfStrips(tif); strip++)
- {
- unsigned char *dat8;
- tsize_t i, ssize = TIFFStripSize(tif);
- dat8 = (unsigned char*)buf;
-
- if(bps == 8)
- {
- step = 1 + has_alpha;
-
- for(i=0; i < ssize; i += step)
- {
- if(index < imgsize)
- {
- int r, a = 0;
-
- r = image->comps[0].data[index];
- if(has_alpha) a = image->comps[1].data[index];
-
- if(sgnd)
- {
- r += adjust;
- if(has_alpha) a += adjust;
- }
- if(r > 255) r = 255; else if(r < 0) r = 0;
- dat8[i+0] = (unsigned char)r;
-
- if(has_alpha)
- {
- if(a > 255) a = 255; else if(a < 0) a = 0;
- dat8[i+1] = (unsigned char)a;
- }
- index++;
- }
- else
- break;
- }/*for(i )*/
- }/*if(bps == 8*/
- else
- if(bps == 16)
- {
- step = 2 + has_alpha + has_alpha;
-
- for(i=0; i < ssize; i += step)
- {
- if(index < imgsize)
- {
- int r, a = 0;
-
- r = image->comps[0].data[index];
- if(has_alpha) a = image->comps[1].data[index];
-
- if(sgnd)
- {
- r += adjust;
- if(has_alpha) a += adjust;
- }
- if(force16)
- {
- r = (r<<ushift) + (r>>dshift);
- if(has_alpha) a = (a<<ushift) + (a>>dshift);
- }
- if(r > 65535) r = 65535; else if(r < 0) r = 0;
- dat8[i+0] = (unsigned char)r;/*LSB*/
- dat8[i+1] = (unsigned char)(r >> 8);/*MSB*/
- if(has_alpha)
- {
- if(a > 65535) a = 65535; else if(a < 0) a = 0;
- dat8[i+2] = (unsigned char)a;
- dat8[i+3] = (unsigned char)(a >> 8);
- }
- index++;
- }/*if(index < imgsize)*/
- else
- break;
- }/*for(i )*/
- }
- (void)TIFFWriteEncodedStrip(tif, strip, (void*)buf, strip_size);
- }/*for(strip*/
-
- _TIFFfree(buf);
- TIFFClose(tif);
-
- return 0;
- }
-
- TIFFClose(tif);
-
- fprintf(stderr,"imagetotif: Bad color format.\n"
- "\tOnly RGB(A) and GRAY(A) has been implemented\n");
- fprintf(stderr,"\tFOUND: numcomps(%d)\n\tAborting\n",
- image->numcomps);
-
- return 1;
-}/* imagetotif() */
-
-/*
- * libtiff/tif_getimage.c : 1,2,4,8,16 bitspersample accepted
- * CINEMA : 12 bit precision
-*/
-opj_image_t* tiftoimage(const char *filename, opj_cparameters_t *parameters)
-{
- int subsampling_dx = parameters->subsampling_dx;
- int subsampling_dy = parameters->subsampling_dy;
- TIFF *tif;
- tdata_t buf;
- tstrip_t strip;
- tsize_t strip_size;
- int j, numcomps, w, h,index;
- OPJ_COLOR_SPACE color_space;
- opj_image_cmptparm_t cmptparm[4]; /* RGBA */
- opj_image_t *image = NULL;
- int imgsize = 0;
- int has_alpha = 0;
- unsigned short tiBps, tiPhoto, tiSf, tiSpp, tiPC;
- unsigned int tiWidth, tiHeight;
-
- tif = TIFFOpen(filename, "r");
-
- if(!tif)
- {
- fprintf(stderr, "tiftoimage:Failed to open %s for reading\n", filename);
- return 0;
- }
- tiBps = tiPhoto = tiSf = tiSpp = tiPC = 0;
- tiWidth = tiHeight = 0;
-
- TIFFGetField(tif, TIFFTAG_IMAGEWIDTH, &tiWidth);
- TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &tiHeight);
- TIFFGetField(tif, TIFFTAG_BITSPERSAMPLE, &tiBps);
- TIFFGetField(tif, TIFFTAG_SAMPLEFORMAT, &tiSf);
- TIFFGetField(tif, TIFFTAG_SAMPLESPERPIXEL, &tiSpp);
- TIFFGetField(tif, TIFFTAG_PHOTOMETRIC, &tiPhoto);
- TIFFGetField(tif, TIFFTAG_PLANARCONFIG, &tiPC);
- w= (int)tiWidth;
- h= (int)tiHeight;
-
- if(tiBps != 8 && tiBps != 16 && tiBps != 12) tiBps = 0;
- if(tiPhoto != 1 && tiPhoto != 2) tiPhoto = 0;
-
- if( !tiBps || !tiPhoto)
- {
- if( !tiBps)
- fprintf(stderr,"tiftoimage: Bits=%d, Only 8 and 16 bits"
- " implemented\n",tiBps);
- else
- if( !tiPhoto)
- fprintf(stderr,"tiftoimage: Bad color format %d.\n\tOnly RGB(A)"
- " and GRAY(A) has been implemented\n",(int) tiPhoto);
-
- fprintf(stderr,"\tAborting\n");
- TIFFClose(tif);
-
- return NULL;
- }
-
- {/* From: tiff-4.0.x/libtiff/tif_getimage.c : */
- uint16* sampleinfo;
- uint16 extrasamples;
-
- TIFFGetFieldDefaulted(tif, TIFFTAG_EXTRASAMPLES,
- &extrasamples, &sampleinfo);
-
- if(extrasamples >= 1)
- {
- switch(sampleinfo[0])
- {
- case EXTRASAMPLE_UNSPECIFIED:
- /* Workaround for some images without correct info about alpha channel
-*/
- if(tiSpp > 3)
- has_alpha = 1;
- break;
-
- case EXTRASAMPLE_ASSOCALPHA: /* data pre-multiplied */
- case EXTRASAMPLE_UNASSALPHA: /* data not pre-multiplied */
- has_alpha = 1;
- break;
- }
- }
- else /* extrasamples == 0 */
- if(tiSpp == 4 || tiSpp == 2) has_alpha = 1;
- }
-
- /* initialize image components
-*/
- memset(&cmptparm[0], 0, 4 * sizeof(opj_image_cmptparm_t));
-
- if ((tiPhoto == PHOTOMETRIC_RGB) && (parameters->cp_cinema)) {
- fprintf(stdout,"WARNING:\n"
- "Input image bitdepth is %d bits\n"
- "TIF conversion has automatically rescaled to 12-bits\n"
- "to comply with cinema profiles.\n",
- tiBps);
- }
-
- if(tiPhoto == PHOTOMETRIC_RGB) /* RGB(A) */
- {
- numcomps = 3 + has_alpha;
- color_space = OPJ_CLRSPC_SRGB;
-
- /*#define USETILEMODE*/
- for(j = 0; j < numcomps; j++)
- {
- if(parameters->cp_cinema)
- {
- cmptparm[j].prec = 12;
- cmptparm[j].bpp = 12;
- }
- else
- {
- cmptparm[j].prec = tiBps;
- cmptparm[j].bpp = tiBps;
- }
- cmptparm[j].dx = (OPJ_UINT32)subsampling_dx;
- cmptparm[j].dy = (OPJ_UINT32)subsampling_dy;
- cmptparm[j].w = (OPJ_UINT32)w;
- cmptparm[j].h = (OPJ_UINT32)h;
-#ifdef USETILEMODE
- cmptparm[j].x0 = 0;
- cmptparm[j].y0 = 0;
-#endif
- }
-
-#ifdef USETILEMODE
- image = opj_image_tile_create(numcomps,&cmptparm[0],color_space);
-#else
- image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm[0], color_space);
-#endif
-
- if(!image)
- {
- TIFFClose(tif);
- return NULL;
- }
- /* set image offset and reference grid
-*/
- image->x0 = (OPJ_UINT32)parameters->image_offset_x0;
- image->y0 = (OPJ_UINT32)parameters->image_offset_y0;
- image->x1 = !image->x0 ? (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1 :
- image->x0 + (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1;
- image->y1 = !image->y0 ? (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1 :
- image->y0 + (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1;
-
- buf = _TIFFmalloc(TIFFStripSize(tif));
-
- strip_size=TIFFStripSize(tif);
- index = 0;
- imgsize = (int)(image->comps[0].w * image->comps[0].h);
- /* Read the Image components
-*/
- for(strip = 0; strip < TIFFNumberOfStrips(tif); strip++)
- {
- unsigned char *dat8;
- int step;
- tsize_t i, ssize;
- ssize = TIFFReadEncodedStrip(tif, strip, buf, strip_size);
- dat8 = (unsigned char*)buf;
-
- if(tiBps == 16)
- {
- step = 6 + has_alpha + has_alpha;
-
- for(i = 0; i < ssize; i += step)
- {
- if(index < imgsize)
- {
- image->comps[0].data[index] = ( dat8[i+1] << 8 ) | dat8[i+0]; /* R */
- image->comps[1].data[index] = ( dat8[i+3] << 8 ) | dat8[i+2]; /* G */
- image->comps[2].data[index] = ( dat8[i+5] << 8 ) | dat8[i+4]; /* B */
- if(has_alpha)
- image->comps[3].data[index] = ( dat8[i+7] << 8 ) | dat8[i+6];
-
- if(parameters->cp_cinema)
- {
- /* Rounding 16 to 12 bits
-*/
- image->comps[0].data[index] =
- (image->comps[0].data[index] + 0x08) >> 4 ;
- image->comps[1].data[index] =
- (image->comps[1].data[index] + 0x08) >> 4 ;
- image->comps[2].data[index] =
- (image->comps[2].data[index] + 0x08) >> 4 ;
- if(has_alpha)
- image->comps[3].data[index] =
- (image->comps[3].data[index] + 0x08) >> 4 ;
- }
- index++;
- }
- else
- break;
- }/*for(i = 0)*/
- }/*if(tiBps == 16)*/
- else
- if(tiBps == 8)
- {
- step = 3 + has_alpha;
-
- for(i = 0; i < ssize; i += step)
- {
- if(index < imgsize)
- {
-#ifndef USETILEMODE
- image->comps[0].data[index] = dat8[i+0];/* R */
- image->comps[1].data[index] = dat8[i+1];/* G */
- image->comps[2].data[index] = dat8[i+2];/* B */
- if(has_alpha)
- image->comps[3].data[index] = dat8[i+3];
-#endif
-
- if(parameters->cp_cinema)
- {
- /* Rounding 8 to 12 bits
-*/
-#ifndef USETILEMODE
- image->comps[0].data[index] = image->comps[0].data[index] << 4 ;
- image->comps[1].data[index] = image->comps[1].data[index] << 4 ;
- image->comps[2].data[index] = image->comps[2].data[index] << 4 ;
- if(has_alpha)
- image->comps[3].data[index] = image->comps[3].data[index] << 4 ;
-#endif
- }
- index++;
- }/*if(index*/
- else
- break;
- }/*for(i )*/
- }/*if( tiBps == 8)*/
- else
- if(tiBps == 12)/* CINEMA file */
- {
- step = 9;
-
- for(i = 0; i < ssize; i += step)
- {
- if((index < imgsize)&(index+1 < imgsize))
- {
- image->comps[0].data[index] = ( dat8[i+0]<<4 ) |(dat8[i+1]>>4);
- image->comps[1].data[index] = ((dat8[i+1]& 0x0f)<< 8) | dat8[i+2];
-
- image->comps[2].data[index] = ( dat8[i+3]<<4) |(dat8[i+4]>>4);
- image->comps[0].data[index+1] = ((dat8[i+4]& 0x0f)<< 8) | dat8[i+5];
-
- image->comps[1].data[index+1] = ( dat8[i+6] <<4) |(dat8[i+7]>>4);
- image->comps[2].data[index+1] = ((dat8[i+7]& 0x0f)<< 8) | dat8[i+8];
-
- index += 2;
- }
- else
- break;
- }/*for(i )*/
- }
- }/*for(strip = 0; )*/
-
- _TIFFfree(buf);
- TIFFClose(tif);
-
- return image;
- }/*RGB(A)*/
-
- if(tiPhoto == PHOTOMETRIC_MINISBLACK) /* GRAY(A) */
- {
- numcomps = 1 + has_alpha;
- color_space = OPJ_CLRSPC_GRAY;
-
- for(j = 0; j < numcomps; ++j)
- {
- cmptparm[j].prec = tiBps;
- cmptparm[j].bpp = tiBps;
- cmptparm[j].dx = (OPJ_UINT32)subsampling_dx;
- cmptparm[j].dy = (OPJ_UINT32)subsampling_dy;
- cmptparm[j].w = (OPJ_UINT32)w;
- cmptparm[j].h = (OPJ_UINT32)h;
- }
-#ifdef USETILEMODE
- image = opj_image_tile_create(numcomps,&cmptparm[0],color_space);
-#else
- image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm[0], color_space);
-#endif
-
- if(!image)
- {
- TIFFClose(tif);
- return NULL;
- }
- /* set image offset and reference grid
-*/
- image->x0 = (OPJ_UINT32)parameters->image_offset_x0;
- image->y0 = (OPJ_UINT32)parameters->image_offset_y0;
- image->x1 = !image->x0 ? (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1 :
- image->x0 + (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1;
- image->y1 = !image->y0 ? (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1 :
- image->y0 + (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1;
-
- buf = _TIFFmalloc(TIFFStripSize(tif));
-
- strip_size = TIFFStripSize(tif);
- index = 0;
- imgsize = (int)(image->comps[0].w * image->comps[0].h);
- /* Read the Image components
-*/
- for(strip = 0; strip < TIFFNumberOfStrips(tif); strip++)
- {
- unsigned char *dat8;
- tsize_t i, ssize;
- int step;
-
- ssize = TIFFReadEncodedStrip(tif, strip, buf, strip_size);
- dat8 = (unsigned char*)buf;
-
- if(tiBps == 16)
- {
- step = 2 + has_alpha + has_alpha;
-
- for(i = 0; i < ssize; i += step)
- {
- if(index < imgsize)
- {
- image->comps[0].data[index] = ( dat8[i+1] << 8 ) | dat8[i+0];
- if(has_alpha)
- image->comps[1].data[index] = ( dat8[i+3] << 8 ) | dat8[i+2];
- index++;
- }
- else
- break;
- }/*for(i )*/
- }
- else
- if(tiBps == 8)
- {
- step = 1 + has_alpha;
-
- for(i = 0; i < ssize; i += step)
- {
- if(index < imgsize)
- {
- image->comps[0].data[index] = dat8[i+0];
- if(has_alpha)
- image->comps[1].data[index] = dat8[i+1];
- index++;
- }
- else
- break;
- }/*for(i )*/
- }
- }/*for(strip = 0;*/
-
- _TIFFfree(buf);
- TIFFClose(tif);
-
- }/*GRAY(A)*/
-
- return image;
-
-}/* tiftoimage() */
-
-#endif /* OPJ_HAVE_LIBTIFF */
-
/* -->> -->> -->> -->>
RAW IMAGE FORMAT
<<-- <<-- <<-- <<-- */
-static opj_image_t* rawtoimage_common(const char *filename, opj_cparameters_t *parameters, raw_cparameters_t *raw_cp, OPJ_BOOL big_endian) {
+static opj_image_t* rawtoimage_common(const char *filename,
+ opj_cparameters_t *parameters, raw_cparameters_t *raw_cp, OPJ_BOOL big_endian)
+{
int subsampling_dx = parameters->subsampling_dx;
int subsampling_dy = parameters->subsampling_dy;
opj_image_t * image = NULL;
unsigned short ch;
- if((! (raw_cp->rawWidth & raw_cp->rawHeight & raw_cp->rawComp & raw_cp->rawBitDepth)) == 0)
- {
- fprintf(stderr,"\nError: invalid raw image parameters\n");
- fprintf(stderr,"Please use the Format option -F:\n");
- fprintf(stderr,"-F <width>,<height>,<ncomp>,<bitdepth>,{s,u}@<dx1>x<dy1>:...:<dxn>x<dyn>\n");
- fprintf(stderr,"If subsampling is omitted, 1x1 is assumed for all components\n");
- fprintf(stderr,"Example: -i image.raw -o image.j2k -F 512,512,3,8,u@1x1:2x2:2x2\n");
- fprintf(stderr," for raw 512x512 image with 4:2:0 subsampling\n");
- fprintf(stderr,"Aborting.\n");
+ if ((!(raw_cp->rawWidth & raw_cp->rawHeight & raw_cp->rawComp &
+ raw_cp->rawBitDepth)) == 0) {
+ fprintf(stderr, "\nError: invalid raw image parameters\n");
+ fprintf(stderr, "Please use the Format option -F:\n");
+ fprintf(stderr,
+ "-F <width>,<height>,<ncomp>,<bitdepth>,{s,u}@<dx1>x<dy1>:...:<dxn>x<dyn>\n");
+ fprintf(stderr,
+ "If subsampling is omitted, 1x1 is assumed for all components\n");
+ fprintf(stderr,
+ "Example: -i image.raw -o image.j2k -F 512,512,3,8,u@1x1:2x2:2x2\n");
+ fprintf(stderr, " for raw 512x512 image with 4:2:0 subsampling\n");
+ fprintf(stderr, "Aborting.\n");
return NULL;
}
f = fopen(filename, "rb");
if (!f) {
fprintf(stderr, "Failed to open %s for reading !!\n", filename);
- fprintf(stderr,"Aborting\n");
+ fprintf(stderr, "Aborting\n");
return NULL;
}
numcomps = raw_cp->rawComp;
/* FIXME ADE at this point, tcp_mct has not been properly set in calling function */
- if (numcomps == 0) {
+ if (numcomps == 1) {
color_space = OPJ_CLRSPC_GRAY;
} else if ((numcomps >= 3) && (parameters->tcp_mct == 0)) {
color_space = OPJ_CLRSPC_SYCC;
}
w = raw_cp->rawWidth;
h = raw_cp->rawHeight;
- cmptparm = (opj_image_cmptparm_t*) malloc((size_t)numcomps * sizeof(opj_image_cmptparm_t));
-
+ cmptparm = (opj_image_cmptparm_t*) calloc((OPJ_UINT32)numcomps,
+ sizeof(opj_image_cmptparm_t));
+ if (!cmptparm) {
+ fprintf(stderr, "Failed to allocate image components parameters !!\n");
+ fprintf(stderr, "Aborting\n");
+ fclose(f);
+ return NULL;
+ }
/* initialize image components */
- memset(&cmptparm[0], 0, (size_t)numcomps * sizeof(opj_image_cmptparm_t));
- for(i = 0; i < numcomps; i++) {
+ for (i = 0; i < numcomps; i++) {
cmptparm[i].prec = (OPJ_UINT32)raw_cp->rawBitDepth;
cmptparm[i].bpp = (OPJ_UINT32)raw_cp->rawBitDepth;
cmptparm[i].sgnd = (OPJ_UINT32)raw_cp->rawSigned;
- cmptparm[i].dx = (OPJ_UINT32)subsampling_dx * raw_cp->rawComps[i].dx;
- cmptparm[i].dy = (OPJ_UINT32)subsampling_dy * raw_cp->rawComps[i].dy;
+ cmptparm[i].dx = (OPJ_UINT32)(subsampling_dx * raw_cp->rawComps[i].dx);
+ cmptparm[i].dy = (OPJ_UINT32)(subsampling_dy * raw_cp->rawComps[i].dy);
cmptparm[i].w = (OPJ_UINT32)w;
cmptparm[i].h = (OPJ_UINT32)h;
}
/* create the image */
image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm[0], color_space);
free(cmptparm);
- if(!image) {
+ if (!image) {
fclose(f);
return NULL;
}
/* set image offset and reference grid */
image->x0 = (OPJ_UINT32)parameters->image_offset_x0;
image->y0 = (OPJ_UINT32)parameters->image_offset_y0;
- image->x1 = (OPJ_UINT32)parameters->image_offset_x0 + (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1;
- image->y1 = (OPJ_UINT32)parameters->image_offset_y0 + (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1;
+ image->x1 = (OPJ_UINT32)parameters->image_offset_x0 + (OPJ_UINT32)(w - 1) *
+ (OPJ_UINT32)subsampling_dx + 1;
+ image->y1 = (OPJ_UINT32)parameters->image_offset_y0 + (OPJ_UINT32)(h - 1) *
+ (OPJ_UINT32)subsampling_dy + 1;
- if(raw_cp->rawBitDepth <= 8)
- {
+ if (raw_cp->rawBitDepth <= 8) {
unsigned char value = 0;
- for(compno = 0; compno < numcomps; compno++) {
- int nloop = (w*h)/(raw_cp->rawComps[compno].dx*raw_cp->rawComps[compno].dx);
+ for (compno = 0; compno < numcomps; compno++) {
+ int nloop = (w * h) / (raw_cp->rawComps[compno].dx *
+ raw_cp->rawComps[compno].dy);
for (i = 0; i < nloop; i++) {
if (!fread(&value, 1, 1, f)) {
- fprintf(stderr,"Error reading raw file. End of file probably reached.\n");
+ fprintf(stderr, "Error reading raw file. End of file probably reached.\n");
+ opj_image_destroy(image);
+ fclose(f);
return NULL;
}
- image->comps[compno].data[i] = raw_cp->rawSigned?(char)value:value;
+ image->comps[compno].data[i] = raw_cp->rawSigned ? (char)value : value;
}
}
- }
- else if(raw_cp->rawBitDepth <= 16)
- {
+ } else if (raw_cp->rawBitDepth <= 16) {
unsigned short value;
- for(compno = 0; compno < numcomps; compno++) {
- int nloop = (w*h)/(raw_cp->rawComps[compno].dx*raw_cp->rawComps[compno].dx);
+ for (compno = 0; compno < numcomps; compno++) {
+ int nloop = (w * h) / (raw_cp->rawComps[compno].dx *
+ raw_cp->rawComps[compno].dy);
for (i = 0; i < nloop; i++) {
unsigned char temp1;
unsigned char temp2;
if (!fread(&temp1, 1, 1, f)) {
- fprintf(stderr,"Error reading raw file. End of file probably reached.\n");
+ fprintf(stderr, "Error reading raw file. End of file probably reached.\n");
+ opj_image_destroy(image);
+ fclose(f);
return NULL;
}
if (!fread(&temp2, 1, 1, f)) {
- fprintf(stderr,"Error reading raw file. End of file probably reached.\n");
+ fprintf(stderr, "Error reading raw file. End of file probably reached.\n");
+ opj_image_destroy(image);
+ fclose(f);
return NULL;
}
- if( big_endian )
- {
+ if (big_endian) {
value = (unsigned short)((temp1 << 8) + temp2);
- }
- else
- {
+ } else {
value = (unsigned short)((temp2 << 8) + temp1);
}
- image->comps[compno].data[i] = raw_cp->rawSigned?(short)value:value;
+ image->comps[compno].data[i] = raw_cp->rawSigned ? (short)value : value;
}
}
- }
- else {
- fprintf(stderr,"OpenJPEG cannot encode raw components with bit depth higher than 16 bits.\n");
+ } else {
+ fprintf(stderr,
+ "OpenJPEG cannot encode raw components with bit depth higher than 16 bits.\n");
+ opj_image_destroy(image);
+ fclose(f);
return NULL;
}
if (fread(&ch, 1, 1, f)) {
- fprintf(stderr,"Warning. End of raw file not reached... processing anyway\n");
+ fprintf(stderr, "Warning. End of raw file not reached... processing anyway\n");
}
fclose(f);
return image;
}
-opj_image_t* rawltoimage(const char *filename, opj_cparameters_t *parameters, raw_cparameters_t *raw_cp) {
+opj_image_t* rawltoimage(const char *filename, opj_cparameters_t *parameters,
+ raw_cparameters_t *raw_cp)
+{
return rawtoimage_common(filename, parameters, raw_cp, OPJ_FALSE);
}
-opj_image_t* rawtoimage(const char *filename, opj_cparameters_t *parameters, raw_cparameters_t *raw_cp) {
+opj_image_t* rawtoimage(const char *filename, opj_cparameters_t *parameters,
+ raw_cparameters_t *raw_cp)
+{
return rawtoimage_common(filename, parameters, raw_cp, OPJ_TRUE);
}
-static int imagetoraw_common(opj_image_t * image, const char *outfile, OPJ_BOOL big_endian)
+static int imagetoraw_common(opj_image_t * image, const char *outfile,
+ OPJ_BOOL big_endian)
{
FILE *rawFile = NULL;
size_t res;
- unsigned int compno;
+ unsigned int compno, numcomps;
int w, h, fails;
int line, row, curr, mask;
int *ptr;
unsigned char uc;
(void)big_endian;
- if((image->numcomps * image->x1 * image->y1) == 0)
- {
- fprintf(stderr,"\nError: invalid raw image parameters\n");
+ if ((image->numcomps * image->x1 * image->y1) == 0) {
+ fprintf(stderr, "\nError: invalid raw image parameters\n");
+ return 1;
+ }
+
+ numcomps = image->numcomps;
+
+ if (numcomps > 4) {
+ numcomps = 4;
+ }
+
+ for (compno = 1; compno < numcomps; ++compno) {
+ if (image->comps[0].dx != image->comps[compno].dx) {
+ break;
+ }
+ if (image->comps[0].dy != image->comps[compno].dy) {
+ break;
+ }
+ if (image->comps[0].prec != image->comps[compno].prec) {
+ break;
+ }
+ if (image->comps[0].sgnd != image->comps[compno].sgnd) {
+ break;
+ }
+ }
+ if (compno != numcomps) {
+ fprintf(stderr,
+ "imagetoraw_common: All components shall have the same subsampling, same bit depth, same sign.\n");
+ fprintf(stderr, "\tAborting\n");
return 1;
}
}
fails = 1;
- fprintf(stdout,"Raw image characteristics: %d components\n", image->numcomps);
+ fprintf(stdout, "Raw image characteristics: %d components\n", image->numcomps);
- for(compno = 0; compno < image->numcomps; compno++)
- {
- fprintf(stdout,"Component %d characteristics: %dx%dx%d %s\n", compno, image->comps[compno].w,
- image->comps[compno].h, image->comps[compno].prec, image->comps[compno].sgnd==1 ? "signed": "unsigned");
+ for (compno = 0; compno < image->numcomps; compno++) {
+ fprintf(stdout, "Component %u characteristics: %dx%dx%d %s\n", compno,
+ image->comps[compno].w,
+ image->comps[compno].h, image->comps[compno].prec,
+ image->comps[compno].sgnd == 1 ? "signed" : "unsigned");
w = (int)image->comps[compno].w;
h = (int)image->comps[compno].h;
- if(image->comps[compno].prec <= 8)
- {
- if(image->comps[compno].sgnd == 1)
- {
+ if (image->comps[compno].prec <= 8) {
+ if (image->comps[compno].sgnd == 1) {
mask = (1 << image->comps[compno].prec) - 1;
ptr = image->comps[compno].data;
for (line = 0; line < h; line++) {
- for(row = 0; row < w; row++) {
+ for (row = 0; row < w; row++) {
curr = *ptr;
- if(curr > 127) curr = 127; else if(curr < -128) curr = -128;
- uc = (unsigned char) (curr & mask);
+ if (curr > 127) {
+ curr = 127;
+ } else if (curr < -128) {
+ curr = -128;
+ }
+ uc = (unsigned char)(curr & mask);
res = fwrite(&uc, 1, 1, rawFile);
- if( res < 1 ) {
+ if (res < 1) {
fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
goto fin;
}
ptr++;
}
}
- }
- else if(image->comps[compno].sgnd == 0)
- {
+ } else if (image->comps[compno].sgnd == 0) {
mask = (1 << image->comps[compno].prec) - 1;
ptr = image->comps[compno].data;
for (line = 0; line < h; line++) {
- for(row = 0; row < w; row++) {
+ for (row = 0; row < w; row++) {
curr = *ptr;
- if(curr > 255) curr = 255; else if(curr < 0) curr = 0;
- uc = (unsigned char) (curr & mask);
+ if (curr > 255) {
+ curr = 255;
+ } else if (curr < 0) {
+ curr = 0;
+ }
+ uc = (unsigned char)(curr & mask);
res = fwrite(&uc, 1, 1, rawFile);
- if( res < 1 ) {
+ if (res < 1) {
fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
goto fin;
}
}
}
}
- }
- else if(image->comps[compno].prec <= 16)
- {
- if(image->comps[compno].sgnd == 1)
- {
- union { signed short val; signed char vals[2]; } uc16;
+ } else if (image->comps[compno].prec <= 16) {
+ if (image->comps[compno].sgnd == 1) {
+ union {
+ signed short val;
+ signed char vals[2];
+ } uc16;
mask = (1 << image->comps[compno].prec) - 1;
ptr = image->comps[compno].data;
for (line = 0; line < h; line++) {
- for(row = 0; row < w; row++) {
+ for (row = 0; row < w; row++) {
curr = *ptr;
- if(curr > 32767 ) curr = 32767; else if( curr < -32768) curr = -32768;
+ if (curr > 32767) {
+ curr = 32767;
+ } else if (curr < -32768) {
+ curr = -32768;
+ }
uc16.val = (signed short)(curr & mask);
res = fwrite(uc16.vals, 1, 2, rawFile);
- if( res < 2 ) {
+ if (res < 2) {
fprintf(stderr, "failed to write 2 byte for %s\n", outfile);
goto fin;
}
ptr++;
}
}
- }
- else if(image->comps[compno].sgnd == 0)
- {
- union { unsigned short val; unsigned char vals[2]; } uc16;
+ } else if (image->comps[compno].sgnd == 0) {
+ union {
+ unsigned short val;
+ unsigned char vals[2];
+ } uc16;
mask = (1 << image->comps[compno].prec) - 1;
ptr = image->comps[compno].data;
for (line = 0; line < h; line++) {
- for(row = 0; row < w; row++) {
+ for (row = 0; row < w; row++) {
curr = *ptr;
- if(curr > 65536 ) curr = 65536; else if( curr < 0) curr = 0;
+ if (curr > 65535) {
+ curr = 65535;
+ } else if (curr < 0) {
+ curr = 0;
+ }
uc16.val = (unsigned short)(curr & mask);
res = fwrite(uc16.vals, 1, 2, rawFile);
- if( res < 2 ) {
+ if (res < 2) {
fprintf(stderr, "failed to write 2 byte for %s\n", outfile);
goto fin;
}
}
}
}
- }
- else if (image->comps[compno].prec <= 32)
- {
- fprintf(stderr,"More than 16 bits per component no handled yet\n");
+ } else if (image->comps[compno].prec <= 32) {
+ fprintf(stderr, "More than 16 bits per component not handled yet\n");
goto fin;
- }
- else
- {
- fprintf(stderr,"Error: invalid precision: %d\n", image->comps[compno].prec);
+ } else {
+ fprintf(stderr, "Error: invalid precision: %d\n", image->comps[compno].prec);
goto fin;
}
}
- fails = 0;
+ fails = 0;
fin:
fclose(rawFile);
return fails;
return imagetoraw_common(image, outfile, OPJ_FALSE);
}
-#ifdef OPJ_HAVE_LIBPNG
-
-#define PNG_MAGIC "\x89PNG\x0d\x0a\x1a\x0a"
-#define MAGIC_SIZE 8
-/* PNG allows bits per sample: 1, 2, 4, 8, 16 */
-
-opj_image_t *pngtoimage(const char *read_idf, opj_cparameters_t * params)
-{
- png_structp png;
- png_infop info;
- double gamma, display_exponent;
- int bit_depth, interlace_type,compression_type, filter_type;
- int unit;
- png_uint_32 resx, resy;
- unsigned int i, j;
- png_uint_32 width, height;
- int color_type, has_alpha, is16;
- unsigned char *s;
- FILE *reader;
- unsigned char **rows;
- /* j2k: */
- opj_image_t *image;
- opj_image_cmptparm_t cmptparm[4];
- int sub_dx, sub_dy;
- unsigned int nr_comp;
- int *r, *g, *b, *a = NULL;
- unsigned char sigbuf[8];
-
- if((reader = fopen(read_idf, "rb")) == NULL)
- {
- fprintf(stderr,"pngtoimage: can not open %s\n",read_idf);
- return NULL;
- }
- image = NULL; png = NULL; rows = NULL;
-
- if(fread(sigbuf, 1, MAGIC_SIZE, reader) != MAGIC_SIZE
- || memcmp(sigbuf, PNG_MAGIC, MAGIC_SIZE) != 0)
- {
- fprintf(stderr,"pngtoimage: %s is no valid PNG file\n",read_idf);
- goto fin;
- }
- /* libpng-VERSION/example.c:
- * PC : screen_gamma = 2.2;
- * Mac: screen_gamma = 1.7 or 1.0;
-*/
- display_exponent = 2.2;
-
- if((png = png_create_read_struct(PNG_LIBPNG_VER_STRING,
- NULL, NULL, NULL)) == NULL)
- goto fin;
- if((info = png_create_info_struct(png)) == NULL)
- goto fin;
-
- if(setjmp(png_jmpbuf(png)))
- goto fin;
-
- png_init_io(png, reader);
- png_set_sig_bytes(png, MAGIC_SIZE);
-
- png_read_info(png, info);
-
- if(png_get_IHDR(png, info, &width, &height,
- &bit_depth, &color_type, &interlace_type,
- &compression_type, &filter_type) == 0)
- goto fin;
-
- /* png_set_expand():
- * expand paletted images to RGB, expand grayscale images of
- * less than 8-bit depth to 8-bit depth, and expand tRNS chunks
- * to alpha channels.
-*/
- if(color_type == PNG_COLOR_TYPE_PALETTE)
- png_set_expand(png);
- else
- if(color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8)
- png_set_expand(png);
-
- if(png_get_valid(png, info, PNG_INFO_tRNS))
- png_set_expand(png);
-
- is16 = (bit_depth == 16);
-
- /* GRAY => RGB; GRAY_ALPHA => RGBA
-*/
- if(color_type == PNG_COLOR_TYPE_GRAY
- || color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
- {
- png_set_gray_to_rgb(png);
- color_type =
- (color_type == PNG_COLOR_TYPE_GRAY? PNG_COLOR_TYPE_RGB:
- PNG_COLOR_TYPE_RGB_ALPHA);
- }
- if( !png_get_gAMA(png, info, &gamma))
- gamma = 0.45455;
-
- png_set_gamma(png, display_exponent, gamma);
-
- png_read_update_info(png, info);
-
- png_get_pHYs(png, info, &resx, &resy, &unit);
-
- color_type = png_get_color_type(png, info);
-
- has_alpha = (color_type == PNG_COLOR_TYPE_RGB_ALPHA);
-
- nr_comp = 3 + (unsigned int)has_alpha;
-
- bit_depth = png_get_bit_depth(png, info);
-
- rows = (unsigned char**)calloc(height+1, sizeof(unsigned char*));
- for(i = 0; i < height; ++i)
- rows[i] = (unsigned char*)malloc(png_get_rowbytes(png,info));
-
- png_read_image(png, rows);
-
- memset(cmptparm, 0, sizeof(cmptparm));
-
- sub_dx = params->subsampling_dx; sub_dy = params->subsampling_dy;
-
- for(i = 0; i < nr_comp; ++i)
- {
- cmptparm[i].prec = (OPJ_UINT32)bit_depth;
- /* bits_per_pixel: 8 or 16 */
- cmptparm[i].bpp = (OPJ_UINT32)bit_depth;
- cmptparm[i].sgnd = 0;
- cmptparm[i].dx = (OPJ_UINT32)sub_dx;
- cmptparm[i].dy = (OPJ_UINT32)sub_dy;
- cmptparm[i].w = (OPJ_UINT32)width;
- cmptparm[i].h = (OPJ_UINT32)height;
- }
-
- image = opj_image_create(nr_comp, &cmptparm[0], OPJ_CLRSPC_SRGB);
-
- if(image == NULL) goto fin;
-
- image->x0 = (OPJ_UINT32)params->image_offset_x0;
- image->y0 = (OPJ_UINT32)params->image_offset_y0;
- image->x1 = (OPJ_UINT32)(image->x0 + (width - 1) * (OPJ_UINT32)sub_dx + 1 + image->x0);
- image->y1 = (OPJ_UINT32)(image->y0 + (height - 1) * (OPJ_UINT32)sub_dy + 1 + image->y0);
-
- r = image->comps[0].data;
- g = image->comps[1].data;
- b = image->comps[2].data;
- if(has_alpha) a = image->comps[3].data;
-
- for(i = 0; i < height; ++i)
- {
- s = rows[i];
-
- for(j = 0; j < width; ++j)
- {
- if(is16)
- {
- *r++ = s[0]<<8|s[1]; s += 2;
-
- *g++ = s[0]<<8|s[1]; s += 2;
-
- *b++ = s[0]<<8|s[1]; s += 2;
-
- if(has_alpha) { *a++ = s[0]<<8|s[1]; s += 2; }
-
- continue;
- }
- *r++ = *s++; *g++ = *s++; *b++ = *s++;
-
- if(has_alpha) *a++ = *s++;
- }
- }
-fin:
- if(rows)
- {
- for(i = 0; i < height; ++i)
- free(rows[i]);
- free(rows);
- }
- if(png)
- png_destroy_read_struct(&png, &info, NULL);
-
- fclose(reader);
-
- return image;
-
-}/* pngtoimage() */
-
-int imagetopng(opj_image_t * image, const char *write_idf)
-{
- FILE *writer;
- png_structp png;
- png_infop info;
- int *red, *green, *blue, *alpha;
- unsigned char *row_buf, *d;
- int has_alpha, width, height, nr_comp, color_type;
- int adjustR, adjustG, adjustB, adjustA, x, y, fails;
- int prec, ushift, dshift, is16, force16, force8;
- unsigned short mask = 0xffff;
- png_color_8 sig_bit;
-
- is16 = force16 = force8 = ushift = dshift = 0; fails = 1;
- prec = (int)image->comps[0].prec;
- nr_comp = (int)image->numcomps;
-
- if(prec > 8 && prec < 16)
- {
- ushift = 16 - prec; dshift = prec - ushift;
- prec = 16; force16 = 1;
- }
- else
- if(prec < 8 && nr_comp > 1)/* GRAY_ALPHA, RGB, RGB_ALPHA */
- {
- ushift = 8 - prec; dshift = 8 - ushift;
- prec = 8; force8 = 1;
- }
-
- if(prec != 1 && prec != 2 && prec != 4 && prec != 8 && prec != 16)
- {
- fprintf(stderr,"imagetopng: can not create %s"
- "\n\twrong bit_depth %d\n", write_idf, prec);
- return fails;
- }
- writer = fopen(write_idf, "wb");
-
- if(writer == NULL) return fails;
-
- info = NULL; has_alpha = 0;
-
- /* Create and initialize the png_struct with the desired error handler
- * functions. If you want to use the default stderr and longjump method,
- * you can supply NULL for the last three parameters. We also check that
- * the library version is compatible with the one used at compile time,
- * in case we are using dynamically linked libraries. REQUIRED.
-*/
- png = png_create_write_struct(PNG_LIBPNG_VER_STRING,
- NULL, NULL, NULL);
- /*png_voidp user_error_ptr, user_error_fn, user_warning_fn); */
-
- if(png == NULL) goto fin;
-
- /* Allocate/initialize the image information data. REQUIRED
-*/
- info = png_create_info_struct(png);
-
- if(info == NULL) goto fin;
-
- /* Set error handling. REQUIRED if you are not supplying your own
- * error handling functions in the png_create_write_struct() call.
-*/
- if(setjmp(png_jmpbuf(png))) goto fin;
-
- /* I/O initialization functions is REQUIRED
-*/
- png_init_io(png, writer);
-
- /* Set the image information here. Width and height are up to 2^31,
- * bit_depth is one of 1, 2, 4, 8, or 16, but valid values also depend on
- * the color_type selected. color_type is one of PNG_COLOR_TYPE_GRAY,
- * PNG_COLOR_TYPE_GRAY_ALPHA, PNG_COLOR_TYPE_PALETTE, PNG_COLOR_TYPE_RGB,
- * or PNG_COLOR_TYPE_RGB_ALPHA. interlace is either PNG_INTERLACE_NONE or
- * PNG_INTERLACE_ADAM7, and the compression_type and filter_type MUST
- * currently be PNG_COMPRESSION_TYPE_BASE and PNG_FILTER_TYPE_BASE.
- * REQUIRED
- *
- * ERRORS:
- *
- * color_type == PNG_COLOR_TYPE_PALETTE && bit_depth > 8
- * color_type == PNG_COLOR_TYPE_RGB && bit_depth < 8
- * color_type == PNG_COLOR_TYPE_GRAY_ALPHA && bit_depth < 8
- * color_type == PNG_COLOR_TYPE_RGB_ALPHA) && bit_depth < 8
- *
-*/
- png_set_compression_level(png, Z_BEST_COMPRESSION);
-
- if(prec == 16) mask = 0xffff;
- else
- if(prec == 8) mask = 0x00ff;
- else
- if(prec == 4) mask = 0x000f;
- else
- if(prec == 2) mask = 0x0003;
- else
- if(prec == 1) mask = 0x0001;
-
- if(nr_comp >= 3
- && image->comps[0].dx == image->comps[1].dx
- && image->comps[1].dx == image->comps[2].dx
- && image->comps[0].dy == image->comps[1].dy
- && image->comps[1].dy == image->comps[2].dy
- && image->comps[0].prec == image->comps[1].prec
- && image->comps[1].prec == image->comps[2].prec)
- {
- int v;
-
- has_alpha = (nr_comp > 3);
-
- is16 = (prec == 16);
-
- width = (int)image->comps[0].w;
- height = (int)image->comps[0].h;
-
- red = image->comps[0].data;
- green = image->comps[1].data;
- blue = image->comps[2].data;
-
- sig_bit.red = sig_bit.green = sig_bit.blue = (png_byte)prec;
-
- if(has_alpha)
- {
- sig_bit.alpha = (png_byte)prec;
- alpha = image->comps[3].data;
- color_type = PNG_COLOR_TYPE_RGB_ALPHA;
- adjustA = (image->comps[3].sgnd ? 1 << (image->comps[3].prec - 1) : 0);
- }
- else
- {
- sig_bit.alpha = 0; alpha = NULL;
- color_type = PNG_COLOR_TYPE_RGB;
- adjustA = 0;
- }
- png_set_sBIT(png, info, &sig_bit);
-
- png_set_IHDR(png, info, (png_uint_32)width, (png_uint_32)height, prec,
- color_type,
- PNG_INTERLACE_NONE,
- PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE);
-
- png_set_gamma(png, 2.2, 1./2.2);
- png_set_sRGB(png, info, PNG_sRGB_INTENT_PERCEPTUAL);
- /*=============================*/
- png_write_info(png, info);
- /*=============================*/
- if(prec < 8)
- {
- png_set_packing(png);
- }
-printf("%s:%d:sgnd(%d,%d,%d) w(%d) h(%d) alpha(%d)\n",__FILE__,__LINE__,
-image->comps[0].sgnd,
-image->comps[1].sgnd,image->comps[2].sgnd,width,height,has_alpha);
-
- adjustR = (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
- adjustG = (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0);
- adjustB = (image->comps[2].sgnd ? 1 << (image->comps[2].prec - 1) : 0);
-
- row_buf = (unsigned char*)malloc((size_t)width * (size_t)nr_comp * 2);
-
- for(y = 0; y < height; ++y)
- {
- d = row_buf;
-
- for(x = 0; x < width; ++x)
- {
- if(is16)
- {
- v = *red + adjustR; ++red;
- if(v > 65535) v = 65535; else if(v < 0) v = 0;
-
- if(force16) { v = (v<<ushift) + (v>>dshift); }
-
- *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)v;
-
- v = *green + adjustG; ++green;
- if(v > 65535) v = 65535; else if(v < 0) v = 0;
-
- if(force16) { v = (v<<ushift) + (v>>dshift); }
-
- *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)v;
-
- v = *blue + adjustB; ++blue;
- if(v > 65535) v = 65535; else if(v < 0) v = 0;
-
- if(force16) { v = (v<<ushift) + (v>>dshift); }
-
- *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)v;
-
- if(has_alpha)
- {
- v = *alpha + adjustA; ++alpha;
- if(v > 65535) v = 65535; else if(v < 0) v = 0;
-
- if(force16) { v = (v<<ushift) + (v>>dshift); }
-
- *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)v;
- }
- continue;
- }/* if(is16) */
-
- v = *red + adjustR; ++red;
- if(v > 255) v = 255; else if(v < 0) v = 0;
-
- if(force8) { v = (v<<ushift) + (v>>dshift); }
-
- *d++ = (unsigned char)(v & mask);
-
- v = *green + adjustG; ++green;
- if(v > 255) v = 255; else if(v < 0) v = 0;
-
- if(force8) { v = (v<<ushift) + (v>>dshift); }
-
- *d++ = (unsigned char)(v & mask);
-
- v = *blue + adjustB; ++blue;
- if(v > 255) v = 255; else if(v < 0) v = 0;
-
- if(force8) { v = (v<<ushift) + (v>>dshift); }
-
- *d++ = (unsigned char)(v & mask);
-
- if(has_alpha)
- {
- v = *alpha + adjustA; ++alpha;
- if(v > 255) v = 255; else if(v < 0) v = 0;
-
- if(force8) { v = (v<<ushift) + (v>>dshift); }
-
- *d++ = (unsigned char)(v & mask);
- }
- } /* for(x) */
-
- png_write_row(png, row_buf);
-
- } /* for(y) */
- free(row_buf);
-
- }/* nr_comp >= 3 */
- else
- if(nr_comp == 1 /* GRAY */
- || ( nr_comp == 2 /* GRAY_ALPHA */
- && image->comps[0].dx == image->comps[1].dx
- && image->comps[0].dy == image->comps[1].dy
- && image->comps[0].prec == image->comps[1].prec))
- {
- int v;
-
- red = image->comps[0].data;
-
- sig_bit.gray = (png_byte)prec;
- sig_bit.red = sig_bit.green = sig_bit.blue = sig_bit.alpha = 0;
- alpha = NULL; adjustA = 0;
- color_type = PNG_COLOR_TYPE_GRAY;
-
- if(nr_comp == 2)
- {
- has_alpha = 1; sig_bit.alpha = (png_byte)prec;
- alpha = image->comps[1].data;
- color_type = PNG_COLOR_TYPE_GRAY_ALPHA;
- adjustA = (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0);
- }
- width = (int)image->comps[0].w;
- height = (int)image->comps[0].h;
-
- png_set_IHDR(png, info, (png_uint_32)width, (png_uint_32)height, sig_bit.gray,
- color_type,
- PNG_INTERLACE_NONE,
- PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE);
-
- png_set_sBIT(png, info, &sig_bit);
-
- png_set_gamma(png, 2.2, 1./2.2);
- png_set_sRGB(png, info, PNG_sRGB_INTENT_PERCEPTUAL);
- /*=============================*/
- png_write_info(png, info);
- /*=============================*/
- adjustR = (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
-
- if(prec < 8)
- {
- png_set_packing(png);
- }
-
- if(prec > 8)
- {
- row_buf = (unsigned char*)
- malloc((size_t)width * (size_t)nr_comp * sizeof(unsigned short));
-
- for(y = 0; y < height; ++y)
- {
- d = row_buf;
-
- for(x = 0; x < width; ++x)
- {
- v = *red + adjustR; ++red;
- if(v > 65535) v = 65535; else if(v < 0) v = 0;
-
- if(force16) { v = (v<<ushift) + (v>>dshift); }
-
- *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)v;
-
- if(has_alpha)
- {
- v = *alpha++;
- if(v > 65535) v = 65535; else if(v < 0) v = 0;
-
- if(force16) { v = (v<<ushift) + (v>>dshift); }
-
- *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)v;
- }
- }/* for(x) */
- png_write_row(png, row_buf);
-
- } /* for(y) */
- free(row_buf);
- }
- else /* prec <= 8 */
- {
- row_buf = (unsigned char*)calloc((size_t)width, (size_t)nr_comp * 2);
-
- for(y = 0; y < height; ++y)
- {
- d = row_buf;
-
- for(x = 0; x < width; ++x)
- {
- v = *red + adjustR; ++red;
- if(v > 255) v = 255; else if(v < 0) v = 0;
-
- if(force8) { v = (v<<ushift) + (v>>dshift); }
-
- *d++ = (unsigned char)(v & mask);
-
- if(has_alpha)
- {
- v = *alpha + adjustA; ++alpha;
- if(v > 255) v = 255; else if(v < 0) v = 0;
-
- if(force8) { v = (v<<ushift) + (v>>dshift); }
-
- *d++ = (unsigned char)(v & mask);
- }
- }/* for(x) */
-
- png_write_row(png, row_buf);
-
- } /* for(y) */
- free(row_buf);
- }
- }
- else
- {
- fprintf(stderr,"imagetopng: can not create %s\n",write_idf);
- goto fin;
- }
- png_write_end(png, info);
-
- fails = 0;
-
-fin:
-
- if(png)
- {
- png_destroy_write_struct(&png, &info);
- }
- fclose(writer);
-
- if(fails) remove(write_idf);
-
- return fails;
-}/* imagetopng() */
-#endif /* OPJ_HAVE_LIBPNG */
projects / openjpeg.git / blobdiff