return 0;
// Read TGA header
- fread((unsigned char*)&tga, sizeof(tga_header), 1, fp);
+ if ( fread((unsigned char*)&tga, sizeof(tga_header), 1, fp) != 1 )
+ {
+ fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
+ return 0 ;
+ }
*bits_per_pixel = tga.pixel_depth;
if (tga.id_length)
{
unsigned char *id = (unsigned char *) malloc(tga.id_length);
- fread(id, tga.id_length, 1, fp);
+ if ( !fread(id, tga.id_length, 1, fp) )
+ {
+ fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
+ free(id);
+ return 0 ;
+ }
free(id);
}
memset(&tga, 0, sizeof(tga_header));
- tga.pixel_depth = bits_per_pixel;
- tga.image_width = width;
- tga.image_height = height;
+ if ( bits_per_pixel < 256 )
+ tga.pixel_depth = (unsigned char)bits_per_pixel;
+ else{
+ fprintf(stderr,"ERROR: Wrong bits per pixel inside tga_header");
+ return 0;
+ }
+ tga.image_width = (unsigned short)width;
+ tga.image_height = (unsigned short)height;
tga.image_type = 2; // Uncompressed.
tga.image_desc = 8; // 8 bits per component.
for (x=0;x<image_width;x++)
{
unsigned char r,g,b;
- fread(&b, 1, 1, f);
- fread(&g, 1, 1, f);
- fread(&r, 1, 1, f);
+
+ if( !fread(&b, 1, 1, f) )
+ {
+ fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
+ opj_image_destroy(image);
+ return NULL;
+ }
+ if ( !fread(&g, 1, 1, f) )
+ {
+ fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
+ opj_image_destroy(image);
+ return NULL;
+ }
+ if ( !fread(&r, 1, 1, f) )
+ {
+ fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
+ opj_image_destroy(image);
+ return NULL;
+ }
image->comps[0].data[index]=r;
image->comps[1].data[index]=g;
for (x=0;x<image_width;x++)
{
unsigned char r,g,b,a;
- fread(&b, 1, 1, f);
- fread(&g, 1, 1, f);
- fread(&r, 1, 1, f);
- fread(&a, 1, 1, f);
+ if ( !fread(&b, 1, 1, f) )
+ {
+ fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
+ opj_image_destroy(image);
+ return NULL;
+ }
+ if ( !fread(&g, 1, 1, f) )
+ {
+ fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
+ opj_image_destroy(image);
+ return NULL;
+ }
+ if ( !fread(&r, 1, 1, f) )
+ {
+ fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
+ opj_image_destroy(image);
+ return NULL;
+ }
+ if ( !fread(&a, 1, 1, f) )
+ {
+ fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
+ opj_image_destroy(image);
+ return NULL;
+ }
image->comps[0].data[index]=r;
image->comps[1].data[index]=g;
DWORD biClrImportant; /* Number of important color (0: ALL) */
} BITMAPINFOHEADER_t;
-opj_image_t* bmptoimage(const char *filename, opj_cparameters_t *parameters) {
+opj_image_t* bmptoimage(const char *filename, opj_cparameters_t *parameters)
+{
int subsampling_dx = parameters->subsampling_dx;
int subsampling_dy = parameters->subsampling_dy;
unsigned int j, PAD = 0;
int x, y, index;
- int gray_scale = 1, not_end_file = 1;
-
- unsigned int line = 0, col = 0;
- unsigned char v, v2;
+ 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 0;
- }
+ if (!IN)
+ {
+ fprintf(stderr, "Failed to open %s for reading !!\n", filename);
+ return NULL;
+ }
File_h.bfType = getc(IN);
File_h.bfType = (getc(IN) << 8) + File_h.bfType;
- if (File_h.bfType != 19778) {
- fprintf(stderr,"Error, not a BMP file!\n");
- return 0;
- } else {
+ if (File_h.bfType != 19778)
+ {
+ fprintf(stderr,"Error, not a BMP file!\n");
+ fclose(IN);
+ return NULL;
+ }
/* FILE HEADER */
/* ------------- */
- File_h.bfSize = getc(IN);
- File_h.bfSize = (getc(IN) << 8) + File_h.bfSize;
- File_h.bfSize = (getc(IN) << 16) + File_h.bfSize;
- File_h.bfSize = (getc(IN) << 24) + File_h.bfSize;
+ File_h.bfSize = getc(IN);
+ File_h.bfSize = (getc(IN) << 8) + File_h.bfSize;
+ File_h.bfSize = (getc(IN) << 16) + File_h.bfSize;
+ File_h.bfSize = (getc(IN) << 24) + File_h.bfSize;
- File_h.bfReserved1 = getc(IN);
- File_h.bfReserved1 = (getc(IN) << 8) + File_h.bfReserved1;
+ File_h.bfReserved1 = getc(IN);
+ File_h.bfReserved1 = (getc(IN) << 8) + File_h.bfReserved1;
- File_h.bfReserved2 = getc(IN);
- File_h.bfReserved2 = (getc(IN) << 8) + File_h.bfReserved2;
+ File_h.bfReserved2 = getc(IN);
+ File_h.bfReserved2 = (getc(IN) << 8) + File_h.bfReserved2;
- File_h.bfOffBits = getc(IN);
- File_h.bfOffBits = (getc(IN) << 8) + File_h.bfOffBits;
- File_h.bfOffBits = (getc(IN) << 16) + File_h.bfOffBits;
- File_h.bfOffBits = (getc(IN) << 24) + File_h.bfOffBits;
+ File_h.bfOffBits = getc(IN);
+ File_h.bfOffBits = (getc(IN) << 8) + File_h.bfOffBits;
+ File_h.bfOffBits = (getc(IN) << 16) + File_h.bfOffBits;
+ File_h.bfOffBits = (getc(IN) << 24) + File_h.bfOffBits;
/* INFO HEADER */
/* ------------- */
- Info_h.biSize = getc(IN);
- Info_h.biSize = (getc(IN) << 8) + Info_h.biSize;
- Info_h.biSize = (getc(IN) << 16) + Info_h.biSize;
- Info_h.biSize = (getc(IN) << 24) + Info_h.biSize;
-
- Info_h.biWidth = getc(IN);
- Info_h.biWidth = (getc(IN) << 8) + Info_h.biWidth;
- Info_h.biWidth = (getc(IN) << 16) + Info_h.biWidth;
- Info_h.biWidth = (getc(IN) << 24) + Info_h.biWidth;
- w = Info_h.biWidth;
-
- Info_h.biHeight = getc(IN);
- Info_h.biHeight = (getc(IN) << 8) + Info_h.biHeight;
- Info_h.biHeight = (getc(IN) << 16) + Info_h.biHeight;
- Info_h.biHeight = (getc(IN) << 24) + Info_h.biHeight;
- h = Info_h.biHeight;
-
- Info_h.biPlanes = getc(IN);
- Info_h.biPlanes = (getc(IN) << 8) + Info_h.biPlanes;
-
- Info_h.biBitCount = getc(IN);
- Info_h.biBitCount = (getc(IN) << 8) + Info_h.biBitCount;
-
- Info_h.biCompression = getc(IN);
- Info_h.biCompression = (getc(IN) << 8) + Info_h.biCompression;
- Info_h.biCompression = (getc(IN) << 16) + Info_h.biCompression;
- Info_h.biCompression = (getc(IN) << 24) + Info_h.biCompression;
-
- Info_h.biSizeImage = getc(IN);
- Info_h.biSizeImage = (getc(IN) << 8) + Info_h.biSizeImage;
- Info_h.biSizeImage = (getc(IN) << 16) + Info_h.biSizeImage;
- Info_h.biSizeImage = (getc(IN) << 24) + Info_h.biSizeImage;
-
- Info_h.biXpelsPerMeter = getc(IN);
- Info_h.biXpelsPerMeter = (getc(IN) << 8) + Info_h.biXpelsPerMeter;
- Info_h.biXpelsPerMeter = (getc(IN) << 16) + Info_h.biXpelsPerMeter;
- Info_h.biXpelsPerMeter = (getc(IN) << 24) + Info_h.biXpelsPerMeter;
-
- Info_h.biYpelsPerMeter = getc(IN);
- Info_h.biYpelsPerMeter = (getc(IN) << 8) + Info_h.biYpelsPerMeter;
- Info_h.biYpelsPerMeter = (getc(IN) << 16) + Info_h.biYpelsPerMeter;
- Info_h.biYpelsPerMeter = (getc(IN) << 24) + Info_h.biYpelsPerMeter;
-
- Info_h.biClrUsed = getc(IN);
- Info_h.biClrUsed = (getc(IN) << 8) + Info_h.biClrUsed;
- Info_h.biClrUsed = (getc(IN) << 16) + Info_h.biClrUsed;
- Info_h.biClrUsed = (getc(IN) << 24) + Info_h.biClrUsed;
-
- Info_h.biClrImportant = getc(IN);
- Info_h.biClrImportant = (getc(IN) << 8) + Info_h.biClrImportant;
- Info_h.biClrImportant = (getc(IN) << 16) + Info_h.biClrImportant;
- Info_h.biClrImportant = (getc(IN) << 24) + Info_h.biClrImportant;
+ Info_h.biSize = getc(IN);
+ Info_h.biSize = (getc(IN) << 8) + Info_h.biSize;
+ Info_h.biSize = (getc(IN) << 16) + Info_h.biSize;
+ Info_h.biSize = (getc(IN) << 24) + Info_h.biSize;
+
+ if(Info_h.biSize != 40)
+ {
+ fprintf(stderr,"Error, unknown BMP header size %ld\n", Info_h.biSize);
+ fclose(IN);
+ return NULL;
+ }
+ Info_h.biWidth = getc(IN);
+ Info_h.biWidth = (getc(IN) << 8) + Info_h.biWidth;
+ Info_h.biWidth = (getc(IN) << 16) + Info_h.biWidth;
+ Info_h.biWidth = (getc(IN) << 24) + Info_h.biWidth;
+ w = Info_h.biWidth;
+
+ Info_h.biHeight = getc(IN);
+ Info_h.biHeight = (getc(IN) << 8) + Info_h.biHeight;
+ Info_h.biHeight = (getc(IN) << 16) + Info_h.biHeight;
+ Info_h.biHeight = (getc(IN) << 24) + Info_h.biHeight;
+ h = Info_h.biHeight;
+
+ Info_h.biPlanes = getc(IN);
+ Info_h.biPlanes = (getc(IN) << 8) + Info_h.biPlanes;
+
+ Info_h.biBitCount = getc(IN);
+ Info_h.biBitCount = (getc(IN) << 8) + Info_h.biBitCount;
+
+ Info_h.biCompression = getc(IN);
+ Info_h.biCompression = (getc(IN) << 8) + Info_h.biCompression;
+ Info_h.biCompression = (getc(IN) << 16) + Info_h.biCompression;
+ Info_h.biCompression = (getc(IN) << 24) + Info_h.biCompression;
+
+ Info_h.biSizeImage = getc(IN);
+ Info_h.biSizeImage = (getc(IN) << 8) + Info_h.biSizeImage;
+ Info_h.biSizeImage = (getc(IN) << 16) + Info_h.biSizeImage;
+ Info_h.biSizeImage = (getc(IN) << 24) + Info_h.biSizeImage;
+
+ Info_h.biXpelsPerMeter = getc(IN);
+ Info_h.biXpelsPerMeter = (getc(IN) << 8) + Info_h.biXpelsPerMeter;
+ Info_h.biXpelsPerMeter = (getc(IN) << 16) + Info_h.biXpelsPerMeter;
+ Info_h.biXpelsPerMeter = (getc(IN) << 24) + Info_h.biXpelsPerMeter;
+
+ Info_h.biYpelsPerMeter = getc(IN);
+ Info_h.biYpelsPerMeter = (getc(IN) << 8) + Info_h.biYpelsPerMeter;
+ Info_h.biYpelsPerMeter = (getc(IN) << 16) + Info_h.biYpelsPerMeter;
+ Info_h.biYpelsPerMeter = (getc(IN) << 24) + Info_h.biYpelsPerMeter;
+
+ Info_h.biClrUsed = getc(IN);
+ Info_h.biClrUsed = (getc(IN) << 8) + Info_h.biClrUsed;
+ Info_h.biClrUsed = (getc(IN) << 16) + Info_h.biClrUsed;
+ Info_h.biClrUsed = (getc(IN) << 24) + Info_h.biClrUsed;
+
+ Info_h.biClrImportant = getc(IN);
+ Info_h.biClrImportant = (getc(IN) << 8) + Info_h.biClrImportant;
+ Info_h.biClrImportant = (getc(IN) << 16) + Info_h.biClrImportant;
+ Info_h.biClrImportant = (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 = 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 = subsampling_dx;
- cmptparm[i].dy = subsampling_dy;
- cmptparm[i].w = w;
- cmptparm[i].h = h;
- }
- /* create the image */
- image = opj_image_create(numcomps, &cmptparm[0], color_space);
- if(!image) {
- fclose(IN);
- return NULL;
- }
- /* set image offset and reference grid */
- image->x0 = parameters->image_offset_x0;
- image->y0 = parameters->image_offset_y0;
- image->x1 = !image->x0 ? (w - 1) * subsampling_dx + 1 : image->x0 + (w - 1) * subsampling_dx + 1;
- image->y1 = !image->y0 ? (h - 1) * subsampling_dy + 1 : image->y0 + (h - 1) * subsampling_dy + 1;
+ if (Info_h.biBitCount == 24)
+ {
+ numcomps = 3;
+ color_space = 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 = subsampling_dx;
+ cmptparm[i].dy = subsampling_dy;
+ cmptparm[i].w = w;
+ cmptparm[i].h = h;
+ }
+ /* create the image */
+ image = opj_image_create(numcomps, &cmptparm[0], color_space);
+ if(!image)
+ {
+ fclose(IN);
+ return NULL;
+ }
+
+ /* set image offset and reference grid */
+ image->x0 = parameters->image_offset_x0;
+ image->y0 = parameters->image_offset_y0;
+ image->x1 = !image->x0 ? (w - 1) * subsampling_dx + 1 : image->x0 + (w - 1) * subsampling_dx + 1;
+ image->y1 = !image->y0 ? (h - 1) * subsampling_dy + 1 : image->y0 + (h - 1) * subsampling_dy + 1;
- /* set image data */
+ /* set image data */
- /* Place the cursor at the beginning of the image information */
- fseek(IN, 0, SEEK_SET);
- fseek(IN, File_h.bfOffBits, SEEK_SET);
+ /* Place the cursor at the beginning of the image information */
+ fseek(IN, 0, SEEK_SET);
+ fseek(IN, File_h.bfOffBits, SEEK_SET);
- W = Info_h.biWidth;
- H = Info_h.biHeight;
+ W = Info_h.biWidth;
+ H = Info_h.biHeight;
- /* PAD = 4 - (3 * W) % 4; */
- /* PAD = (PAD == 4) ? 0 : PAD; */
- PAD = (3 * W) % 4 ? 4 - (3 * W) % 4 : 0;
+ /* PAD = 4 - (3 * W) % 4; */
+ /* PAD = (PAD == 4) ? 0 : PAD; */
+ PAD = (3 * W) % 4 ? 4 - (3 * W) % 4 : 0;
- RGB = (unsigned char *) malloc((3 * W + PAD) * H * sizeof(unsigned char));
+ RGB = (unsigned char *)
+ malloc((3 * W + PAD) * H * sizeof(unsigned char));
- fread(RGB, sizeof(unsigned char), (3 * W + PAD) * H, IN);
+ 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;
+ }
- index = 0;
-
- for(y = 0; y < (int)H; y++) {
- unsigned char *scanline = RGB + (3 * W + PAD) * (H - 1 - y);
- for(x = 0; x < (int)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++;
- }
- }
+ index = 0;
- free(RGB);
+ for(y = 0; y < (int)H; y++)
+ {
+ unsigned char *scanline = RGB + (3 * W + PAD) * (H - 1 - y);
+ for(x = 0; x < (int)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++;
+ }
+ }
+ 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;
- } else if (Info_h.biBitCount == 8 && Info_h.biCompression == 0) {
- 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));
-
- for (j = 0; j < Info_h.biClrUsed; j++) {
- table_B[j] = getc(IN);
- table_G[j] = getc(IN);
- table_R[j] = getc(IN);
- getc(IN);
- if (table_R[j] != table_G[j] && table_R[j] != table_B[j] && table_G[j] != table_B[j])
- gray_scale = 0;
- }
-
- /* Place the cursor at the beginning of the image information */
- fseek(IN, 0, SEEK_SET);
- fseek(IN, File_h.bfOffBits, SEEK_SET);
+ 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(has_color) gray_scale = 0;
+
+ /* Place the cursor at the beginning of the image information */
+ fseek(IN, 0, SEEK_SET);
+ fseek(IN, File_h.bfOffBits, SEEK_SET);
- W = Info_h.biWidth;
- H = Info_h.biHeight;
- if (Info_h.biWidth % 2)
- W++;
+ W = Info_h.biWidth;
+ H = Info_h.biHeight;
+ if (Info_h.biWidth % 2)
+ W++;
- numcomps = gray_scale ? 1 : 3;
- color_space = gray_scale ? CLRSPC_GRAY : 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 = subsampling_dx;
- cmptparm[i].dy = subsampling_dy;
- cmptparm[i].w = w;
- cmptparm[i].h = h;
- }
- /* create the image */
- image = opj_image_create(numcomps, &cmptparm[0], color_space);
- if(!image) {
- fclose(IN);
- return NULL;
- }
+ numcomps = gray_scale ? 1 : 3;
+ color_space = gray_scale ? CLRSPC_GRAY : 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 = subsampling_dx;
+ cmptparm[i].dy = subsampling_dy;
+ cmptparm[i].w = w;
+ cmptparm[i].h = h;
+ }
+ /* create the image */
+ image = opj_image_create(numcomps, &cmptparm[0], color_space);
+ if(!image)
+ {
+ fclose(IN);
+ free(table_R); free(table_G); free(table_B);
+ return NULL;
+ }
- /* set image offset and reference grid */
- image->x0 = parameters->image_offset_x0;
- image->y0 = parameters->image_offset_y0;
- image->x1 = !image->x0 ? (w - 1) * subsampling_dx + 1 : image->x0 + (w - 1) * subsampling_dx + 1;
- image->y1 = !image->y0 ? (h - 1) * subsampling_dy + 1 : image->y0 + (h - 1) * subsampling_dy + 1;
+ /* set image offset and reference grid */
+ image->x0 = parameters->image_offset_x0;
+ image->y0 = parameters->image_offset_y0;
+ image->x1 = !image->x0 ? (w - 1) * subsampling_dx + 1 : image->x0 + (w - 1) * subsampling_dx + 1;
+ image->y1 = !image->y0 ? (h - 1) * subsampling_dy + 1 : image->y0 + (h - 1) * subsampling_dy + 1;
- /* set image data */
+ /* set image data */
- RGB = (unsigned char *) malloc(W * H * sizeof(unsigned char));
+ RGB = (unsigned char *) malloc(W * H * sizeof(unsigned char));
- fread(RGB, sizeof(unsigned char), W * H, IN);
- 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++;
- }
- }
+ 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 (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);
- } else if (Info_h.biBitCount == 8 && Info_h.biCompression == 1) {
- 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));
-
- for (j = 0; j < Info_h.biClrUsed; j++) {
- table_B[j] = getc(IN);
- table_G[j] = getc(IN);
- table_R[j] = getc(IN);
- getc(IN);
- if (table_R[j] != table_G[j] && table_R[j] != table_B[j] && table_G[j] != table_B[j])
- gray_scale = 0;
- }
+ }
+ 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 x, y, max;
+ int i, 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]);
+ }
- numcomps = gray_scale ? 1 : 3;
- color_space = gray_scale ? CLRSPC_GRAY : 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 = subsampling_dx;
- cmptparm[i].dy = subsampling_dy;
- cmptparm[i].w = w;
- cmptparm[i].h = h;
- }
- /* create the image */
- image = opj_image_create(numcomps, &cmptparm[0], color_space);
- if(!image) {
- fclose(IN);
- return NULL;
- }
+ if (has_color)
+ gray_scale = 0;
- /* set image offset and reference grid */
- image->x0 = parameters->image_offset_x0;
- image->y0 = parameters->image_offset_y0;
- image->x1 = !image->x0 ? (w - 1) * subsampling_dx + 1 : image->x0 + (w - 1) * subsampling_dx + 1;
- image->y1 = !image->y0 ? (h - 1) * subsampling_dy + 1 : image->y0 + (h - 1) * subsampling_dy + 1;
+ numcomps = gray_scale ? 1 : 3;
+ color_space = gray_scale ? CLRSPC_GRAY : 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 = subsampling_dx;
+ cmptparm[i].dy = subsampling_dy;
+ cmptparm[i].w = w;
+ cmptparm[i].h = h;
+ }
+ /* create the image */
+ image = opj_image_create(numcomps, &cmptparm[0], color_space);
+ if (!image)
+ {
+ fclose(IN);
+ free(table_R);
+ free(table_G);
+ free(table_B);
+ return NULL;
+ }
- /* set image data */
-
- /* Place the cursor at the beginning of the image information */
- fseek(IN, 0, SEEK_SET);
- fseek(IN, File_h.bfOffBits, SEEK_SET);
-
- RGB = (unsigned char *) malloc(Info_h.biWidth * Info_h.biHeight * sizeof(unsigned char));
-
- while (not_end_file) {
- v = getc(IN);
- if (v) {
- v2 = getc(IN);
- for (i = 0; i < (int) v; i++) {
- RGB[line * Info_h.biWidth + col] = v2;
- col++;
- }
- } else {
- v = getc(IN);
- switch (v) {
- case 0:
- col = 0;
- line++;
- break;
- case 1:
- line++;
- not_end_file = 0;
- break;
- case 2:
- fprintf(stderr,"No Delta supported\n");
- opj_image_destroy(image);
- fclose(IN);
- return NULL;
- default:
- for (i = 0; i < v; i++) {
- v2 = getc(IN);
- RGB[line * Info_h.biWidth + col] = v2;
- col++;
- }
- if (v % 2)
- v2 = getc(IN);
- break;
- }
- }
+ /* set image offset and reference grid */
+ image->x0 = parameters->image_offset_x0;
+ image->y0 = parameters->image_offset_y0;
+ image->x1 = !image->x0 ? (w - 1) * subsampling_dx + 1 : image->x0 + (w
+ - 1) * subsampling_dx + 1;
+ image->y1 = !image->y0 ? (h - 1) * subsampling_dy + 1 : image->y0 + (h
+ - 1) * subsampling_dy + 1;
+
+ /* set image data */
+
+ /* Place the cursor at the beginning of the image information */
+ fseek(IN, 0, SEEK_SET);
+ fseek(IN, 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;
+
+ 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;
}
- if (gray_scale) {
- index = 0;
- for (line = 0; line < Info_h.biHeight; line++) {
- for (col = 0; col < Info_h.biWidth; col++) {
- image->comps[0].data[index] = table_R[(int)RGB[(Info_h.biHeight - line - 1) * Info_h.biWidth + col]];
- index++;
- }
+ else
+ {
+ c = getc(IN);
+
+ if (c == 0x00) /* EOL */
+ {
+ x = 0;
+ ++y;
+ pix = RGB + x + (H - y - 1) * W;
}
- } else {
- index = 0;
- for (line = 0; line < Info_h.biHeight; line++) {
- for (col = 0; col < Info_h.biWidth; col++) {
- unsigned char pixel_index = (int)RGB[(Info_h.biHeight - line - 1) * Info_h.biWidth + col];
- 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++;
+ else if (c == 0x01) /* EOP */
+ break;
+ else if (c == 0x02) /* MOVE by dxdy */
+ {
+ c = getc(IN);
+ x += c;
+ c = getc(IN);
+ y += 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);
}
}
- free(RGB);
- free(table_R);
- free(table_G);
- free(table_B);
- } else {
- fprintf(stderr,
- "Other system than 24 bits/pixels or 8 bits (no RLE coding) is not yet implemented [%d]\n", Info_h.biBitCount);
- }
+ }/* 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;
+ return image;
}
int imagetobmp(opj_image_t * image, const char *outfile) {
}
for (i = 0; i < w * h; i++) {
- unsigned char rc;
int r;
r = image->comps[0].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
unsigned char readuchar(FILE * f)
{
unsigned char c1;
- fread(&c1, 1, 1, f);
+ if ( !fread(&c1, 1, 1, f) )
+ {
+ fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
+ return 0;
+ }
return c1;
}
unsigned short readushort(FILE * f, int bigendian)
{
unsigned char c1, c2;
- fread(&c1, 1, 1, f);
- fread(&c2, 1, 1, f);
+ 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");
+ return 0;
+ }
if (bigendian)
return (c1 << 8) + c2;
else
unsigned int readuint(FILE * f, int bigendian)
{
unsigned char c1, c2, c3, c4;
- fread(&c1, 1, 1, f);
- fread(&c2, 1, 1, f);
- fread(&c3, 1, 1, f);
- fread(&c4, 1, 1, f);
+ 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");
+ return 0;
+ }
+ 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");
+ return 0;
+ }
if (bigendian)
return (c1 << 24) + (c2 << 16) + (c3 << 8) + c4;
else
}
fseek(f, 0, SEEK_SET);
- fscanf(f, "PG%[ \t]%c%c%[ \t+-]%d%[ \t]%d%[ \t]%d",temp,&endian1,&endian2,signtmp,&prec,temp,&w,temp,&h);
-
+ 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");
+ return NULL;
+ }
+
i=0;
sign='+';
while (signtmp[i]!='\0') {
name = (char*)malloc(total+1);
}
strncpy(name, outfile, dotpos);
- if (image->numcomps > 1) {
- sprintf(name+dotpos, "-%d.pgx", compno);
- } else {
+ //if (image->numcomps > 1) {
+ sprintf(name+dotpos, "_%d.pgx", compno);
+ /*} else {
strcpy(name+dotpos, ".pgx");
- }
+ }*/
fdest = fopen(name, "wb");
if (!fdest) {
fprintf(stderr, "ERROR -> failed to open %s for writing\n", name);
char idf[256], type[256];
char line[256];
- fgets(line, 250, reader);
+ if (fgets(line, 250, reader) == NULL)
+ {
+ fprintf(stderr,"\nWARNING: fgets return a NULL value");
+ return;
+ }
if(line[0] != 'P')
{
for(compno = 0; compno < numcomps; compno++)
{
index = 0;
- fscanf(fp, "%u", &index);
+ if (fscanf(fp, "%u", &index) != 1)
+ fprintf(stderr, "\nWARNING: fscanf return a number of element different from the expected.\n");
image->comps[compno].data[i] = (index * 255)/header_info.maxval;
}
{
for(compno = 0; compno < numcomps; compno++)
{
- fread(&c0, 1, 1, fp);
+ if ( !fread(&c0, 1, 1, fp) )
+ fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
if(one)
{
image->comps[compno].data[i] = c0;
}
else
{
- fread(&c1, 1, 1, fp);
+ 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);
}
{
unsigned int index;
- fscanf(fp, "%u", &index);
+ if ( fscanf(fp, "%u", &index) != 1)
+ fprintf(stderr, "\nWARNING: fscanf return a number of element different from the expected.\n");
image->comps[0].data[i] = (index?0:255);
}
for(i = 0; i < w * h; ++i)
{
- fread(&uc, 1, 1, fp);
+ 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;
}
}
int width, height, imgsize;
int bps,index,adjust, sgnd;
int ushift, dshift, has_alpha, force16;
- unsigned int last_i=0;
TIFF *tif;
tdata_t buf;
tstrip_t strip;
for(strip = 0; strip < TIFFNumberOfStrips(tif); strip++)
{
unsigned char *dat8;
- tsize_t i, ssize;
+ tsize_t i, ssize, last_i = 0;
+ int step, restx;
ssize = TIFFStripSize(tif);
dat8 = (unsigned char*)buf;
- int step, restx;
if(bps == 8)
{
projects / openjpeg.git / blobdiff