X-Git-Url: https://main.carlh.net/gitweb/?p=dcpomatic.git;a=blobdiff_plain;f=test%2Fimage_test.cc;h=9aca9878d813277c03785159b5a296e48112c9b3;hp=f876c8f65fc08c1e9d12b5758c982a7abe93f18e;hb=895e908f7dcc8deb9e6a333d3d6b3a92aec2dc09;hpb=034feb503b0a38eb82c21ae8d9f83522fc63a25c diff --git a/test/image_test.cc b/test/image_test.cc index f876c8f65..9aca9878d 100644 --- a/test/image_test.cc +++ b/test/image_test.cc @@ -1,5 +1,5 @@ /* - Copyright (C) 2012 Carl Hetherington + Copyright (C) 2012-2014 Carl Hetherington This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -17,12 +17,18 @@ */ +/** @file test/image_test.cc + * @brief Tests of the Image class. + * + * @see test/make_black_test.cc, test/pixel_formats_test.cc + */ + #include #include #include "lib/image.h" -#include "lib/scaler.h" using std::string; +using std::list; using std::cout; using boost::shared_ptr; @@ -150,7 +156,7 @@ BOOST_AUTO_TEST_CASE (crop_image_test2) 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); + image = image->scale (image->size(), dcp::YUV_TO_RGB_REC601, PIX_FMT_RGB24, true); /* Check that its still black after the crop */ uint8_t* p = image->data()[0]; @@ -174,16 +180,24 @@ read_file (string file) boost::shared_ptr image (new Image (PIX_FMT_RGB24, size, true)); +#ifdef DCPOMATIC_IMAGE_MAGICK using namespace MagickCore; +#endif 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); +#ifdef DCPOMATIC_IMAGE_MAGICK *q++ = c.redQuantum() * 255 / QuantumRange; *q++ = c.greenQuantum() * 255 / QuantumRange; *q++ = c.blueQuantum() * 255 / QuantumRange; +#else + *q++ = c.redQuantum() * 255 / MaxRGB; + *q++ = c.greenQuantum() * 255 / MaxRGB; + *q++ = c.blueQuantum() * 255 / MaxRGB; +#endif } p += image->stride()[0]; } @@ -195,14 +209,20 @@ static void write_file (shared_ptr image, string file) { +#ifdef DCPOMATIC_IMAGE_MAGICK using namespace MagickCore; +#endif 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) { +#ifdef DCPOMATIC_IMAGE_MAGICK Magick::Color c (q[0] * QuantumRange / 256, q[1] * QuantumRange / 256, q[2] * QuantumRange / 256); +#else + Magick::Color c (q[0] * MaxRGB / 256, q[1] * MaxRGB / 256, q[2] * MaxRGB / 256); +#endif magick_image.pixelColor (x, y, c); q += 3; } @@ -230,13 +250,13 @@ crop_scale_window_single (AVPixelFormat in_format, dcp::Size in_size, Crop crop, /* Convert using separate methods */ boost::shared_ptr sep = test->crop (crop, true); - sep = sep->scale (inter_size, Scaler::from_id ("bicubic"), PIX_FMT_RGB24, true); + sep = sep->scale (inter_size, dcp::YUV_TO_RGB_REC601, PIX_FMT_RGB24, true); boost::shared_ptr sep_container (new Image (PIX_FMT_RGB24, out_size, true)); sep_container->make_black (); sep_container->copy (sep, Position ((out_size.width - inter_size.width) / 2, (out_size.height - inter_size.height) / 2)); /* Convert using the all-in-one method */ - shared_ptr all = test->crop_scale_window (crop, inter_size, out_size, Scaler::from_id ("bicubic"), PIX_FMT_RGB24, true); + shared_ptr all = test->crop_scale_window (crop, inter_size, out_size, dcp::YUV_TO_RGB_REC601, PIX_FMT_RGB24, true); /* Compare */ BOOST_CHECK_EQUAL (sep_container->size().width, all->size().width); @@ -271,3 +291,125 @@ BOOST_AUTO_TEST_CASE (crop_scale_window_test) 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)); } + +/** Test Image::alpha_blend */ +BOOST_AUTO_TEST_CASE (alpha_blend_test) +{ + int const stride = 48 * 4; + + shared_ptr A (new Image (AV_PIX_FMT_RGBA, dcp::Size (48, 48), false)); + A->make_black (); + uint8_t* a = A->data()[0]; + + for (int y = 0; y < 48; ++y) { + uint8_t* p = a + y * stride; + for (int x = 0; x < 16; ++x) { + p[x * 4] = 255; + p[(x + 16) * 4 + 1] = 255; + p[(x + 32) * 4 + 2] = 255; + } + } + + shared_ptr 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; + p[x * 4 + 1] = 255; + p[x * 4 + 2] = 255; + p[x * 4 + 3] = 255; + } + } + + A->alpha_blend (B, Position (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 = 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); + } + } +} + +/** Test merge (list) with a single image */ +BOOST_AUTO_TEST_CASE (merge_test1) +{ + int const stride = 48 * 4; + + shared_ptr A (new Image (AV_PIX_FMT_RGBA, dcp::Size (48, 48), false)); + A->make_transparent (); + uint8_t* a = A->data()[0]; + + for (int y = 0; y < 48; ++y) { + uint8_t* p = a + y * stride; + for (int x = 0; x < 16; ++x) { + /* red */ + p[x * 4] = 255; + /* opaque */ + p[x * 4 + 3] = 255; + } + } + + list all; + all.push_back (PositionImage (A, Position (0, 0))); + PositionImage merged = merge (all); + + BOOST_CHECK (merged.position == Position (0, 0)); + BOOST_CHECK_EQUAL (memcmp (merged.image->data()[0], A->data()[0], stride * 48), 0); +} + +/** Test merge (list) with two images */ +BOOST_AUTO_TEST_CASE (merge_test2) +{ + shared_ptr A (new Image (AV_PIX_FMT_RGBA, dcp::Size (48, 1), false)); + A->make_transparent (); + uint8_t* a = A->data()[0]; + for (int x = 0; x < 16; ++x) { + /* red */ + a[x * 4] = 255; + /* opaque */ + a[x * 4 + 3] = 255; + } + + shared_ptr B (new Image (AV_PIX_FMT_RGBA, dcp::Size (48, 1), false)); + B->make_transparent (); + uint8_t* b = B->data()[0]; + for (int x = 0; x < 16; ++x) { + /* blue */ + b[(x + 32) * 4 + 2] = 255; + /* opaque */ + b[(x + 32) * 4 + 3] = 255; + } + + list all; + all.push_back (PositionImage (A, Position (0, 0))); + all.push_back (PositionImage (B, Position (0, 0))); + PositionImage merged = merge (all); + + BOOST_CHECK (merged.position == Position (0, 0)); + + uint8_t* m = merged.image->data()[0]; + + for (int x = 0; x < 16; ++x) { + BOOST_CHECK_EQUAL (m[x * 4], 255); + BOOST_CHECK_EQUAL (m[x * 4 + 3], 255); + BOOST_CHECK_EQUAL (m[(x + 16) * 4 + 3], 0); + BOOST_CHECK_EQUAL (m[(x + 32) * 4 + 2], 255); + BOOST_CHECK_EQUAL (m[(x + 32) * 4 + 3], 255); + } +}