/*
- Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2017 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
*/
/** @file test/image_test.cc
- * @brief Tests of the Image class.
- *
+ * @brief Test Image class.
+ * @ingroup selfcontained
* @see test/make_black_test.cc, test/pixel_formats_test.cc
*/
-#include <boost/test/unit_test.hpp>
-#include <Magick++.h>
#include "lib/image.h"
+#include "lib/magick_image_proxy.h"
+#include "test.h"
+#include <Magick++.h>
+#include <boost/test/unit_test.hpp>
#include <iostream>
using std::string;
delete u;
}
-/** Test Image::alpha_blend */
-BOOST_AUTO_TEST_CASE (alpha_blend_test)
+void
+alpha_blend_test_one (AVPixelFormat format, string suffix)
{
- int const stride = 48 * 4;
+ shared_ptr<MagickImageProxy> proxy (new MagickImageProxy (private_data / "prophet_frame.tiff"));
+ shared_ptr<Image> raw = proxy->image();
+ shared_ptr<Image> background = raw->scale (raw->size(), dcp::YUV_TO_RGB_REC709, format, true, false);
- shared_ptr<Image> A (new Image (AV_PIX_FMT_RGBA, dcp::Size (48, 48), false));
- A->make_black ();
- uint8_t* a = A->data()[0];
+ shared_ptr<Image> overlay (new Image (AV_PIX_FMT_RGBA, raw->size(), true));
+ overlay->make_transparent ();
- for (int y = 0; y < 48; ++y) {
- uint8_t* p = a + y * stride;
- for (int x = 0; x < 16; ++x) {
+ for (int y = 0; y < 128; ++y) {
+ uint8_t* p = overlay->data()[0] + y * overlay->stride()[0];
+ for (int x = 0; x < 128; ++x) {
p[x * 4] = 255;
- p[(x + 16) * 4 + 1] = 255;
- p[(x + 32) * 4 + 2] = 255;
+ p[x * 4 + 3] = 255;
}
}
- shared_ptr<Image> B (new Image (AV_PIX_FMT_RGBA, dcp::Size (48, 48), true));
- B->make_transparent ();
- uint8_t* b = B->data()[0];
-
- for (int y = 32; y < 48; ++y) {
- uint8_t* p = b + y * stride;
- for (int x = 0; x < 48; ++x) {
- p[x * 4] = 255;
+ for (int y = 128; y < 256; ++y) {
+ uint8_t* p = overlay->data()[0] + y * overlay->stride()[0];
+ for (int x = 0; x < 128; ++x) {
p[x * 4 + 1] = 255;
- p[x * 4 + 2] = 255;
p[x * 4 + 3] = 255;
}
}
- A->alpha_blend (B, Position<int> (0, 0));
-
- for (int y = 0; y < 32; ++y) {
- uint8_t* p = a + y * stride;
- for (int x = 0; x < 16; ++x) {
- BOOST_CHECK_EQUAL (p[x * 4], 255);
- BOOST_CHECK_EQUAL (p[(x + 16) * 4 + 1], 255);
- BOOST_CHECK_EQUAL (p[(x + 32) * 4 + 2], 255);
+ for (int y = 256; y < 384; ++y) {
+ uint8_t* p = overlay->data()[0] + y * overlay->stride()[0];
+ for (int x = 0; x < 128; ++x) {
+ p[x * 4 + 2] = 255;
+ p[x * 4 + 3] = 255;
}
}
- for (int y = 32; y < 48; ++y) {
- uint8_t* p = a + y * stride;
- for (int x = 0; x < 48; ++x) {
- BOOST_CHECK_EQUAL (p[x * 4], 255);
- BOOST_CHECK_EQUAL (p[x * 4 + 1], 255);
- BOOST_CHECK_EQUAL (p[x * 4 + 2], 255);
- BOOST_CHECK_EQUAL (p[x * 4 + 3], 255);
- }
- }
+ background->alpha_blend (overlay, Position<int> (0, 0));
+
+ shared_ptr<Image> save = background->scale (background->size(), dcp::YUV_TO_RGB_REC709, AV_PIX_FMT_RGB24, false, false);
+
+ write_image (save, "build/test/image_test_" + suffix + ".png", "RGB");
+ check_image ("build/test/image_test_" + suffix + ".png", private_data / ("image_test_" + suffix + ".png"));
+}
+
+/** Test Image::alpha_blend */
+BOOST_AUTO_TEST_CASE (alpha_blend_test)
+{
+ alpha_blend_test_one (AV_PIX_FMT_RGB24, "rgb24");
+ alpha_blend_test_one (AV_PIX_FMT_BGRA, "bgra");
+ alpha_blend_test_one (AV_PIX_FMT_RGBA, "rgba");
+ alpha_blend_test_one (AV_PIX_FMT_RGB48LE, "rgb48le");
+ alpha_blend_test_one (AV_PIX_FMT_YUV420P, "yuv420p");
+ alpha_blend_test_one (AV_PIX_FMT_YUV420P10LE, "yuv420p10le");
}
/** Test merge (list<PositionImage>) with a single image */
BOOST_CHECK_EQUAL (m[(x + 32) * 4 + 3], 255);
}
}
+
+/** Test Image::crop_scale_window with YUV420P and some windowing */
+BOOST_AUTO_TEST_CASE (crop_scale_window_test)
+{
+ shared_ptr<MagickImageProxy> proxy(new MagickImageProxy("test/data/flat_red.png"));
+ shared_ptr<Image> raw = proxy->image();
+ shared_ptr<Image> out = raw->crop_scale_window(Crop(), dcp::Size(1998, 836), dcp::Size(1998, 1080), dcp::YUV_TO_RGB_REC709, AV_PIX_FMT_YUV420P, true, false);
+ shared_ptr<Image> save = out->scale(dcp::Size(1998, 1080), dcp::YUV_TO_RGB_REC709, AV_PIX_FMT_RGB24, false, false);
+ write_image(save, "build/test/crop_scale_window_test.png", "RGB");
+ check_image("test/data/crop_scale_window_test.png", "build/test/crop_scale_window_test.png");
+}