Fill test disk partitions with random noise to expose more bugs.

[dcpomatic.git] / test / image_test.cc

diff --git a/test/image_test.cc b/test/image_test.cc
index 7369bd24feac9ec03e4a21d2fb86aaa8bef7389d..94b7ba017d07696bd47ab770db0787f8d46a673d 100644 (file)
--- a/test/image_test.cc
+++ b/test/image_test.cc
@@ -30,6 +30,8 @@
 #include "lib/image.h"
 #include "lib/image_content.h"
 #include "lib/image_decoder.h"
+#include "lib/image_jpeg.h"
+#include "lib/image_png.h"
 #include "lib/ffmpeg_image_proxy.h"
 #include "test.h"
 #include <boost/test/unit_test.hpp>
@@ -199,6 +201,43 @@ BOOST_AUTO_TEST_CASE (alpha_blend_test)
 }
 
 
+/** Test Image::alpha_blend when the "base" image is XYZ12LE */
+BOOST_AUTO_TEST_CASE (alpha_blend_test_onto_xyz)
+{
+       Image xyz(AV_PIX_FMT_XYZ12LE, dcp::Size(50, 50), Image::Alignment::PADDED);
+       xyz.make_black();
+
+       auto overlay = make_shared<Image>(AV_PIX_FMT_RGBA, dcp::Size(8, 8), Image::Alignment::PADDED);
+       for (int y = 0; y < 8; ++y) {
+               uint8_t* p = overlay->data()[0] + (y * overlay->stride()[0]);
+               for (int x = 0; x < 8; ++x) {
+                       *p++ = 255;
+                       *p++ = 0;
+                       *p++ = 0;
+                       *p++ = 255;
+               }
+       }
+
+       xyz.alpha_blend(overlay, Position<int>(4, 4));
+
+       for (int y = 0; y < 50; ++y) {
+               uint16_t* p = reinterpret_cast<uint16_t*>(xyz.data()[0]) + (y * xyz.stride()[0] / 2);
+               for (int x = 0; x < 50; ++x) {
+                       if (4 <= x && x < 12 && 4 <= y && y < 12) {
+                               BOOST_REQUIRE_EQUAL(p[0], 45078U);
+                               BOOST_REQUIRE_EQUAL(p[1], 34939U);
+                               BOOST_REQUIRE_EQUAL(p[2], 13892U);
+                       } else {
+                               BOOST_REQUIRE_EQUAL(p[0], 0U);
+                               BOOST_REQUIRE_EQUAL(p[1], 0U);
+                               BOOST_REQUIRE_EQUAL(p[2], 0U);
+                       }
+                       p += 3;
+               }
+       }
+}
+
+
 /** Test merge (list<PositionImage>) with a single image */
 BOOST_AUTO_TEST_CASE (merge_test1)
 {
@@ -375,14 +414,27 @@ BOOST_AUTO_TEST_CASE (as_png_test)
        auto proxy = make_shared<FFmpegImageProxy>("test/data/3d_test/000001.png");
        auto image_rgb = proxy->image(Image::Alignment::PADDED).image;
        auto image_bgr = image_rgb->convert_pixel_format(dcp::YUVToRGB::REC709, AV_PIX_FMT_BGRA, Image::Alignment::PADDED, false);
-       image_rgb->as_png().write ("build/test/as_png_rgb.png");
-       image_bgr->as_png().write ("build/test/as_png_bgr.png");
+       image_as_png(image_rgb).write ("build/test/as_png_rgb.png");
+       image_as_png(image_bgr).write ("build/test/as_png_bgr.png");
 
        check_image ("test/data/3d_test/000001.png", "build/test/as_png_rgb.png");
        check_image ("test/data/3d_test/000001.png", "build/test/as_png_bgr.png");
 }
 
 
+BOOST_AUTO_TEST_CASE (as_jpeg_test)
+{
+       auto proxy = make_shared<FFmpegImageProxy>("test/data/3d_test/000001.png");
+       auto image_rgb = proxy->image(Image::Alignment::PADDED).image;
+       auto image_bgr = image_rgb->convert_pixel_format(dcp::YUVToRGB::REC709, AV_PIX_FMT_BGRA, Image::Alignment::PADDED, false);
+       image_as_jpeg(image_rgb, 60).write("build/test/as_jpeg_rgb.jpeg");
+       image_as_jpeg(image_bgr, 60).write("build/test/as_jpeg_bgr.jpeg");
+
+       check_image ("test/data/as_jpeg_rgb.jpeg", "build/test/as_jpeg_rgb.jpeg");
+       check_image ("test/data/as_jpeg_bgr.jpeg", "build/test/as_jpeg_bgr.jpeg");
+}
+
+
 /* Very dumb test to fade black to make sure it stays black */
 static void
 fade_test_format_black (AVPixelFormat f, string name)
@@ -391,7 +443,7 @@ fade_test_format_black (AVPixelFormat f, string name)
        yuv.make_black ();
        yuv.fade (0);
        string const filename = "fade_test_black_" + name + ".png";
-       yuv.convert_pixel_format(dcp::YUVToRGB::REC709, AV_PIX_FMT_RGBA, Image::Alignment::PADDED, false)->as_png().write("build/test/" + filename);
+       image_as_png(yuv.convert_pixel_format(dcp::YUVToRGB::REC709, AV_PIX_FMT_RGBA, Image::Alignment::PADDED, false)).write("build/test/" + filename);
        check_image ("test/data/" + filename, "build/test/" + filename);
 }
 
@@ -404,7 +456,7 @@ fade_test_format_red (AVPixelFormat f, float amount, string name)
        auto red = proxy->image(Image::Alignment::PADDED).image->convert_pixel_format(dcp::YUVToRGB::REC709, f, Image::Alignment::PADDED, false);
        red->fade (amount);
        string const filename = "fade_test_red_" + name + ".png";
-       red->convert_pixel_format(dcp::YUVToRGB::REC709, AV_PIX_FMT_RGBA, Image::Alignment::PADDED, false)->as_png().write("build/test/" + filename);
+       image_as_png(red->convert_pixel_format(dcp::YUVToRGB::REC709, AV_PIX_FMT_RGBA, Image::Alignment::PADDED, false)).write("build/test/" + filename);
        check_image ("test/data/" + filename, "build/test/" + filename);
 }