*/
+#include <boost/test/unit_test.hpp>
+#include <Magick++.h>
+#include "lib/image.h"
+#include "lib/scaler.h"
+
+using std::string;
+using std::cout;
+using boost::shared_ptr;
+
BOOST_AUTO_TEST_CASE (aligned_image_test)
{
Image* s = new Image (PIX_FMT_RGB24, libdcp::Size (50, 50), true);
image = image->crop (crop, true);
/* Convert it back to RGB to make comparison to black easier */
- image = image->scale_and_convert_to_rgb (image->size(), Scaler::from_id ("bicubic"), true);
+ image = image->scale (image->size(), Scaler::from_id ("bicubic"), PIX_FMT_RGB24, true);
/* Check that its still black after the crop */
uint8_t* p = image->data()[0];
p += image->stride()[0];
}
}
+
+static
+boost::shared_ptr<Image>
+read_file (string file)
+{
+ Magick::Image magick_image (file.c_str ());
+ libdcp::Size size (magick_image.columns(), magick_image.rows());
+
+ boost::shared_ptr<Image> image (new Image (PIX_FMT_RGB24, size, true));
+
+ using namespace MagickCore;
+
+ uint8_t* p = image->data()[0];
+ for (int y = 0; y < size.height; ++y) {
+ uint8_t* q = p;
+ for (int x = 0; x < size.width; ++x) {
+ Magick::Color c = magick_image.pixelColor (x, y);
+ *q++ = c.redQuantum() * 255 / QuantumRange;
+ *q++ = c.greenQuantum() * 255 / QuantumRange;
+ *q++ = c.blueQuantum() * 255 / QuantumRange;
+ }
+ p += image->stride()[0];
+ }
+
+ return image;
+}
+
+static
+void
+write_file (shared_ptr<Image> image, string file)
+{
+ using namespace MagickCore;
+
+ Magick::Image magick_image (Magick::Geometry (image->size().width, image->size().height), Magick::Color (0, 0, 0));
+ uint8_t*p = image->data()[0];
+ for (int y = 0; y < image->size().height; ++y) {
+ uint8_t* q = p;
+ for (int x = 0; x < image->size().width; ++x) {
+ Magick::Color c (q[0] * QuantumRange / 256, q[1] * QuantumRange / 256, q[2] * QuantumRange / 256);
+ magick_image.pixelColor (x, y, c);
+ q += 3;
+ }
+ p += image->stride()[0];
+ }
+
+ magick_image.write (file.c_str ());
+}
+
+static
+void
+crop_scale_window_single (AVPixelFormat in_format, libdcp::Size in_size, Crop crop, libdcp::Size inter_size, libdcp::Size out_size)
+{
+ /* Set up our test image */
+ shared_ptr<Image> test (new Image (in_format, in_size, true));
+ uint8_t n = 0;
+ for (int c = 0; c < test->components(); ++c) {
+ uint8_t* p = test->data()[c];
+ for (int y = 0; y < test->lines(c); ++y) {
+ for (int x = 0; x < test->stride()[c]; ++x) {
+ *p++ = n++;
+ }
+ }
+ }
+
+ /* Convert using separate methods */
+ boost::shared_ptr<Image> sep = test->crop (crop, true);
+ sep = sep->scale (inter_size, Scaler::from_id ("bicubic"), PIX_FMT_RGB24, true);
+ boost::shared_ptr<Image> sep_container (new Image (PIX_FMT_RGB24, out_size, true));
+ sep_container->make_black ();
+ sep_container->copy (sep, Position<int> ((out_size.width - inter_size.width) / 2, (out_size.height - inter_size.height) / 2));
+
+ /* Convert using the all-in-one method */
+ shared_ptr<Image> all = test->crop_scale_window (crop, inter_size, out_size, Scaler::from_id ("bicubic"), PIX_FMT_RGB24, true);
+
+ /* Compare */
+ BOOST_CHECK_EQUAL (sep_container->size().width, all->size().width);
+ BOOST_CHECK_EQUAL (sep_container->size().height, all->size().height);
+
+ /* Assuming RGB on these */
+ BOOST_CHECK_EQUAL (sep_container->components(), 1);
+ BOOST_CHECK_EQUAL (all->components(), 1);
+
+ uint8_t* p = sep_container->data()[0];
+ uint8_t* q = all->data()[0];
+ for (int y = 0; y < all->size().height; ++y) {
+ uint8_t* pp = p;
+ uint8_t* qq = q;
+ for (int x = 0; x < all->size().width * 3; ++x) {
+ BOOST_CHECK_EQUAL (*pp++, *qq++);
+ }
+ p += sep_container->stride()[0];
+ q += all->stride()[0];
+ }
+}
+
+/** Test Image::crop_scale_window against separate calls to crop/scale/copy */
+BOOST_AUTO_TEST_CASE (crop_scale_window_test)
+{
+ crop_scale_window_single (AV_PIX_FMT_YUV422P, libdcp::Size (640, 480), Crop (), libdcp::Size (640, 480), libdcp::Size (640, 480));
+ crop_scale_window_single (AV_PIX_FMT_YUV422P, libdcp::Size (640, 480), Crop (2, 4, 6, 8), libdcp::Size (640, 480), libdcp::Size (640, 480));
+ crop_scale_window_single (AV_PIX_FMT_YUV422P, libdcp::Size (640, 480), Crop (2, 4, 6, 8), libdcp::Size (1920, 1080), libdcp::Size (1998, 1080));
+ crop_scale_window_single (AV_PIX_FMT_YUV422P, libdcp::Size (640, 480), Crop (1, 4, 6, 8), libdcp::Size (1920, 1080), libdcp::Size (1998, 1080));
+ crop_scale_window_single (AV_PIX_FMT_YUV420P, libdcp::Size (640, 480), Crop (16, 16, 0, 0), libdcp::Size (1920, 1080), libdcp::Size (1998, 1080));
+ crop_scale_window_single (AV_PIX_FMT_YUV420P, libdcp::Size (640, 480), Crop (16, 3, 3, 0), libdcp::Size (1920, 1080), libdcp::Size (1998, 1080));
+ crop_scale_window_single (AV_PIX_FMT_RGB24, libdcp::Size (1000, 800), Crop (0, 0, 0, 0), libdcp::Size (1920, 1080), libdcp::Size (1998, 1080));
+ crop_scale_window_single (AV_PIX_FMT_RGB24, libdcp::Size (1000, 800), Crop (55, 0, 1, 9), libdcp::Size (1920, 1080), libdcp::Size (1998, 1080));
+}