-BOOST_AUTO_TEST_CASE (crop_image_test)
-{
- /* This was to check out a bug with valgrind, and is probably not very useful */
- shared_ptr<Image> image (new Image (PIX_FMT_YUV420P, dcp::Size (16, 16), true));
- image->make_black ();
- Crop crop;
- crop.top = 3;
- image->crop (crop, false);
-}
-
-/* Test cropping of a YUV 4:2:0 image by 1 pixel, which used to fail because
- the U/V copying was not rounded up to the next sample.
-*/
-BOOST_AUTO_TEST_CASE (crop_image_test2)
-{
- /* Here's a 1998 x 1080 image which is black */
- shared_ptr<Image> image (new Image (PIX_FMT_YUV420P, dcp::Size (1998, 1080), true));
- image->make_black ();
-
- /* Crop it by 1 pixel */
- Crop crop;
- crop.left = 1;
- image = image->crop (crop, true);
-
- /* Convert it back to RGB to make comparison to black easier */
- 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];
- for (int y = 0; y < image->size().height; ++y) {
- uint8_t* q = p;
- for (int x = 0; x < image->size().width; ++x) {
- BOOST_CHECK_EQUAL (*q++, 0);
- BOOST_CHECK_EQUAL (*q++, 0);
- BOOST_CHECK_EQUAL (*q++, 0);
- }
- p += image->stride()[0];
- }
-}
-
-static
-boost::shared_ptr<Image>
-read_file (string file)
-{
- Magick::Image magick_image (file.c_str ());
- dcp::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, dcp::Size in_size, Crop crop, dcp::Size inter_size, dcp::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, dcp::Size (640, 480), Crop (), dcp::Size (640, 480), dcp::Size (640, 480));
- crop_scale_window_single (AV_PIX_FMT_YUV422P, dcp::Size (640, 480), Crop (2, 4, 6, 8), dcp::Size (640, 480), dcp::Size (640, 480));
- crop_scale_window_single (AV_PIX_FMT_YUV422P, dcp::Size (640, 480), Crop (2, 4, 6, 8), dcp::Size (1920, 1080), dcp::Size (1998, 1080));
- crop_scale_window_single (AV_PIX_FMT_YUV422P, dcp::Size (640, 480), Crop (1, 4, 6, 8), dcp::Size (1920, 1080), dcp::Size (1998, 1080));
- crop_scale_window_single (AV_PIX_FMT_YUV420P, dcp::Size (640, 480), Crop (16, 16, 0, 0), dcp::Size (1920, 1080), dcp::Size (1998, 1080));
- crop_scale_window_single (AV_PIX_FMT_YUV420P, dcp::Size (640, 480), Crop (16, 3, 3, 0), dcp::Size (1920, 1080), dcp::Size (1998, 1080));
- crop_scale_window_single (AV_PIX_FMT_RGB24, dcp::Size (1000, 800), Crop (0, 0, 0, 0), dcp::Size (1920, 1080), dcp::Size (1998, 1080));
- crop_scale_window_single (AV_PIX_FMT_RGB24, dcp::Size (1000, 800), Crop (55, 0, 1, 9), dcp::Size (1920, 1080), dcp::Size (1998, 1080));
-}
-