X-Git-Url: https://main.carlh.net/gitweb/?p=dcpomatic.git;a=blobdiff_plain;f=test%2Fimage_test.cc;h=59b35a96bb876c54331da85589b9f12fa3a3ac1b;hp=f876c8f65fc08c1e9d12b5758c982a7abe93f18e;hb=5a5324ed3a381a86dfe0a6e3932c1d58fdcd596f;hpb=e6f28e7cda23c1ba3c49cc1bf2dc1491c2f87160 diff --git a/test/image_test.cc b/test/image_test.cc index f876c8f65..59b35a96b 100644 --- a/test/image_test.cc +++ b/test/image_test.cc @@ -1,35 +1,45 @@ /* - Copyright (C) 2012 Carl Hetherington + Copyright (C) 2012-2014 Carl Hetherington - This program is free software; you can redistribute it and/or modify + This file is part of DCP-o-matic. + + DCP-o-matic is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. - This program is distributed in the hope that it will be useful, + DCP-o-matic is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + along with DCP-o-matic. If not, see . */ -#include +/** @file test/image_test.cc + * @brief Tests of the Image class. + * + * @see test/make_black_test.cc, test/pixel_formats_test.cc + */ + #include #include "lib/image.h" -#include "lib/scaler.h" +#include +#include +#include using std::string; +using std::list; using std::cout; using boost::shared_ptr; +using boost::make_shared; BOOST_AUTO_TEST_CASE (aligned_image_test) { - Image* s = new Image (PIX_FMT_RGB24, dcp::Size (50, 50), true); - BOOST_CHECK_EQUAL (s->components(), 1); + Image* s = new Image (AV_PIX_FMT_RGB24, dcp::Size (50, 50), true); + BOOST_CHECK_EQUAL (s->planes(), 1); /* 160 is 150 aligned to the nearest 32 bytes */ BOOST_CHECK_EQUAL (s->stride()[0], 160); BOOST_CHECK_EQUAL (s->line_size()[0], 150); @@ -40,7 +50,7 @@ BOOST_AUTO_TEST_CASE (aligned_image_test) /* copy constructor */ Image* t = new Image (*s); - BOOST_CHECK_EQUAL (t->components(), 1); + BOOST_CHECK_EQUAL (t->planes(), 1); BOOST_CHECK_EQUAL (t->stride()[0], 160); BOOST_CHECK_EQUAL (t->line_size()[0], 150); BOOST_CHECK (t->data()[0]); @@ -55,9 +65,9 @@ BOOST_AUTO_TEST_CASE (aligned_image_test) BOOST_CHECK_EQUAL (t->stride()[0], s->stride()[0]); /* assignment operator */ - Image* u = new Image (PIX_FMT_YUV422P, dcp::Size (150, 150), false); + Image* u = new Image (AV_PIX_FMT_YUV422P, dcp::Size (150, 150), false); *u = *s; - BOOST_CHECK_EQUAL (u->components(), 1); + BOOST_CHECK_EQUAL (u->planes(), 1); BOOST_CHECK_EQUAL (u->stride()[0], 160); BOOST_CHECK_EQUAL (u->line_size()[0], 150); BOOST_CHECK (u->data()[0]); @@ -78,8 +88,8 @@ BOOST_AUTO_TEST_CASE (aligned_image_test) BOOST_AUTO_TEST_CASE (compact_image_test) { - Image* s = new Image (PIX_FMT_RGB24, dcp::Size (50, 50), false); - BOOST_CHECK_EQUAL (s->components(), 1); + Image* s = new Image (AV_PIX_FMT_RGB24, dcp::Size (50, 50), false); + BOOST_CHECK_EQUAL (s->planes(), 1); BOOST_CHECK_EQUAL (s->stride()[0], 50 * 3); BOOST_CHECK_EQUAL (s->line_size()[0], 50 * 3); BOOST_CHECK (s->data()[0]); @@ -89,7 +99,7 @@ BOOST_AUTO_TEST_CASE (compact_image_test) /* copy constructor */ Image* t = new Image (*s); - BOOST_CHECK_EQUAL (t->components(), 1); + BOOST_CHECK_EQUAL (t->planes(), 1); BOOST_CHECK_EQUAL (t->stride()[0], 50 * 3); BOOST_CHECK_EQUAL (t->line_size()[0], 50 * 3); BOOST_CHECK (t->data()[0]); @@ -104,9 +114,9 @@ BOOST_AUTO_TEST_CASE (compact_image_test) BOOST_CHECK_EQUAL (t->stride()[0], s->stride()[0]); /* assignment operator */ - Image* u = new Image (PIX_FMT_YUV422P, dcp::Size (150, 150), true); + Image* u = new Image (AV_PIX_FMT_YUV422P, dcp::Size (150, 150), true); *u = *s; - BOOST_CHECK_EQUAL (u->components(), 1); + BOOST_CHECK_EQUAL (u->planes(), 1); BOOST_CHECK_EQUAL (u->stride()[0], 50 * 3); BOOST_CHECK_EQUAL (u->line_size()[0], 50 * 3); BOOST_CHECK (u->data()[0]); @@ -125,149 +135,124 @@ BOOST_AUTO_TEST_CASE (compact_image_test) delete u; } -BOOST_AUTO_TEST_CASE (crop_image_test) +/** Test Image::alpha_blend */ +BOOST_AUTO_TEST_CASE (alpha_blend_test) { - /* This was to check out a bug with valgrind, and is probably not very useful */ - shared_ptr image (new Image (PIX_FMT_YUV420P, dcp::Size (16, 16), true)); - image->make_black (); - Crop crop; - crop.top = 3; - image->crop (crop, false); -} + int const stride = 48 * 4; -/* 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 (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); + shared_ptr A = make_shared (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; } - p += image->stride()[0]; } -} -static -boost::shared_ptr -read_file (string file) -{ - Magick::Image magick_image (file.c_str ()); - dcp::Size size (magick_image.columns(), magick_image.rows()); - - boost::shared_ptr 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; + shared_ptr B = make_shared (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; } - p += image->stride()[0]; } - return image; -} + A->alpha_blend (B, Position (0, 0)); -static -void -write_file (shared_ptr 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; + 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); } - 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 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++; - } + 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); } } - - /* 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); - 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); - - /* 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++); +} + +/** Test merge (list) with a single image */ +BOOST_AUTO_TEST_CASE (merge_test1) +{ + int const stride = 48 * 4; + + shared_ptr A = make_shared (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; } - p += sep_container->stride()[0]; - q += all->stride()[0]; } + + 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 Image::crop_scale_window against separate calls to crop/scale/copy */ -BOOST_AUTO_TEST_CASE (crop_scale_window_test) +/** Test merge (list) with two images */ +BOOST_AUTO_TEST_CASE (merge_test2) { - 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)); + shared_ptr A = make_shared (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 = make_shared (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); + } }