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TestImageDecoder.cpp
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TestImageDecoder.cpp
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/*
* Copyright (c) 2021, the SerenityOS developers.
* Copyright (c) 2021, Brian Gianforcaro <bgianf@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/ByteString.h>
#include <LibCore/MappedFile.h>
#include <LibGfx/ImageFormats/BMPLoader.h>
#include <LibGfx/ImageFormats/DDSLoader.h>
#include <LibGfx/ImageFormats/GIFLoader.h>
#include <LibGfx/ImageFormats/ICOLoader.h>
#include <LibGfx/ImageFormats/ILBMLoader.h>
#include <LibGfx/ImageFormats/ImageDecoder.h>
#include <LibGfx/ImageFormats/JBIG2Loader.h>
#include <LibGfx/ImageFormats/JPEG2000Loader.h>
#include <LibGfx/ImageFormats/JPEGLoader.h>
#include <LibGfx/ImageFormats/JPEGXLLoader.h>
#include <LibGfx/ImageFormats/PAMLoader.h>
#include <LibGfx/ImageFormats/PBMLoader.h>
#include <LibGfx/ImageFormats/PGMLoader.h>
#include <LibGfx/ImageFormats/PNGLoader.h>
#include <LibGfx/ImageFormats/PPMLoader.h>
#include <LibGfx/ImageFormats/TGALoader.h>
#include <LibGfx/ImageFormats/TIFFLoader.h>
#include <LibGfx/ImageFormats/TinyVGLoader.h>
#include <LibGfx/ImageFormats/WebPLoader.h>
#include <LibTest/TestCase.h>
#include <stdio.h>
#include <string.h>
#ifdef AK_OS_SERENITY
# define TEST_INPUT(x) ("/usr/Tests/LibGfx/test-inputs/" x)
#else
# define TEST_INPUT(x) ("test-inputs/" x)
#endif
static ErrorOr<Gfx::ImageFrameDescriptor> expect_single_frame(Gfx::ImageDecoderPlugin& plugin_decoder)
{
EXPECT_EQ(plugin_decoder.frame_count(), 1u);
EXPECT(!plugin_decoder.is_animated());
EXPECT(!plugin_decoder.loop_count());
auto frame = TRY(plugin_decoder.frame(0));
EXPECT_EQ(frame.duration, 0);
return frame;
}
static ErrorOr<Gfx::ImageFrameDescriptor> expect_single_frame_of_size(Gfx::ImageDecoderPlugin& plugin_decoder, Gfx::IntSize size)
{
EXPECT_EQ(plugin_decoder.size(), size);
auto frame = TRY(expect_single_frame(plugin_decoder));
EXPECT_EQ(frame.image->size(), size);
return frame;
}
TEST_CASE(test_bmp)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("bmp/rgba32-1.bmp"sv)));
EXPECT(Gfx::BMPImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::BMPImageDecoderPlugin::create(file->bytes()));
TRY_OR_FAIL(expect_single_frame(*plugin_decoder));
}
TEST_CASE(test_bmp_top_down)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("bmp/top-down.bmp"sv)));
EXPECT(Gfx::BMPImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::BMPImageDecoderPlugin::create(file->bytes()));
TRY_OR_FAIL(expect_single_frame(*plugin_decoder));
}
TEST_CASE(test_bmp_1bpp)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("bmp/bitmap.bmp"sv)));
EXPECT(Gfx::BMPImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::BMPImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 399, 400 }));
EXPECT_EQ(frame.image->begin()[0], 0xff'ff'ff'ff);
}
TEST_CASE(test_ico_malformed_frame)
{
Array test_inputs = {
TEST_INPUT("ico/oss-fuzz-testcase-62541.ico"sv),
TEST_INPUT("ico/oss-fuzz-testcase-63177.ico"sv),
TEST_INPUT("ico/oss-fuzz-testcase-63357.ico"sv)
};
for (auto test_input : test_inputs) {
auto file = TRY_OR_FAIL(Core::MappedFile::map(test_input));
auto plugin_decoder = TRY_OR_FAIL(Gfx::ICOImageDecoderPlugin::create(file->bytes()));
auto frame_or_error = plugin_decoder->frame(0);
EXPECT(frame_or_error.is_error());
}
}
TEST_CASE(test_gif)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("download-animation.gif"sv)));
EXPECT(Gfx::GIFImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::GIFImageDecoderPlugin::create(file->bytes()));
EXPECT(plugin_decoder->frame_count());
EXPECT(plugin_decoder->is_animated());
EXPECT(!plugin_decoder->loop_count());
auto frame = TRY_OR_FAIL(plugin_decoder->frame(1));
EXPECT(frame.duration == 400);
}
TEST_CASE(test_gif_without_global_color_table)
{
Array<u8, 35> gif_data {
// Header (6 bytes): "GIF89a"
0x47,
0x49,
0x46,
0x38,
0x39,
0x61,
// Logical Screen Descriptor (7 bytes)
0x01,
0x00, // Width (1)
0x01,
0x00, // Height (1)
0x00, // Packed fields (NOTE: the MSB here is the Global Color Table flag!)
0x00, // Background Color Index
0x00, // Pixel Aspect Ratio
// Image Descriptor (10 bytes)
0x2C,
0x00,
0x00,
0x00,
0x00,
0x01,
0x00,
0x01,
0x00,
0x80,
// Local Color Table (6 bytes: 2 colors, 3 bytes per color)
0x00,
0x00,
0x00, // Color 1: Black (RGB: 0, 0, 0)
0xff,
0x00,
0x00, // Color 2: Red (RGB: 255, 0, 0)
// Image Data (8 bytes)
0x02, // LZW Minimum Code Size
0x02, // Data Sub-block size (2 bytes)
0x4C,
0x01, // Image Data
0x00, // Data Sub-block Terminator
// Trailer (1 byte)
0x3B,
};
auto plugin_decoder = TRY_OR_FAIL(Gfx::GIFImageDecoderPlugin::create(gif_data));
EXPECT_EQ(plugin_decoder->frame_count(), 1u);
auto frame = TRY_OR_FAIL(plugin_decoder->frame(0));
EXPECT(frame.image);
EXPECT_EQ(frame.image->size(), Gfx::IntSize(1, 1));
EXPECT_EQ(frame.image->get_pixel(0, 0), Gfx::Color::NamedColor::Red);
}
TEST_CASE(test_not_ico)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("png/buggie.png"sv)));
EXPECT(!Gfx::ICOImageDecoderPlugin::sniff(file->bytes()));
EXPECT(Gfx::ICOImageDecoderPlugin::create(file->bytes()).is_error());
}
TEST_CASE(test_bmp_embedded_in_ico)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("ico/serenity.ico"sv)));
EXPECT(Gfx::ICOImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::ICOImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 16, 16 }));
EXPECT_EQ(frame.image->get_pixel(0, 0), Gfx::Color::NamedColor::Transparent);
EXPECT_EQ(frame.image->get_pixel(7, 4), Gfx::Color(161, 0, 0));
}
TEST_CASE(test_malformed_maskless_ico)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("ico/malformed_maskless.ico"sv)));
EXPECT(Gfx::ICOImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::ICOImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 16, 16 }));
EXPECT_EQ(frame.image->get_pixel(0, 0), Gfx::Color::NamedColor::Transparent);
EXPECT_EQ(frame.image->get_pixel(7, 4), Gfx::Color(161, 0, 0));
}
TEST_CASE(test_ilbm)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("ilbm/gradient.iff"sv)));
EXPECT(Gfx::ILBMImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::ILBMImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 320, 200 }));
EXPECT_EQ(frame.image->get_pixel(8, 0), Gfx::Color(0xee, 0xbb, 0, 255));
}
TEST_CASE(test_ilbm_uncompressed)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("ilbm/gradient-uncompressed.iff"sv)));
EXPECT(Gfx::ILBMImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::ILBMImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 320, 200 }));
EXPECT_EQ(frame.image->get_pixel(8, 0), Gfx::Color(0xee, 0xbb, 0, 255));
}
TEST_CASE(test_ilbm_ham6)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("ilbm/ham6.iff"sv)));
EXPECT(Gfx::ILBMImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::ILBMImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 256, 256 }));
EXPECT_EQ(frame.image->get_pixel(77, 107), Gfx::Color(0xf0, 0x40, 0x40, 0xff));
}
TEST_CASE(test_ilbm_dos)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("ilbm/serenity.lbm"sv)));
EXPECT(Gfx::ILBMImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::ILBMImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 640, 480 }));
EXPECT_EQ(frame.image->get_pixel(315, 134), Gfx::Color::NamedColor::Red);
}
TEST_CASE(test_24bit)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("ilbm/serenity-24bit.iff"sv)));
EXPECT(Gfx::ILBMImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::ILBMImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 640, 640 }));
EXPECT_EQ(frame.image->get_pixel(158, 270), Gfx::Color(0xee, 0x3d, 0x3c, 255));
}
TEST_CASE(test_brush_transparent_color)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("ilbm/brush-transparent-color.iff"sv)));
EXPECT(Gfx::ILBMImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::ILBMImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 266, 309 }));
EXPECT_EQ(frame.image->get_pixel(114, 103), Gfx::Color::NamedColor::Black);
}
TEST_CASE(test_small_24bit)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("ilbm/small-24bit.iff"sv)));
EXPECT(Gfx::ILBMImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::ILBMImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 10, 10 }));
EXPECT_EQ(frame.image->get_pixel(0, 4), Gfx::Color(1, 0, 1, 255));
}
TEST_CASE(test_stencil_mask)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("ilbm/test-stencil.iff"sv)));
EXPECT(Gfx::ILBMImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::ILBMImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 320, 200 }));
EXPECT_EQ(frame.image->get_pixel(0, 4), Gfx::Color(0, 0, 0, 255));
}
TEST_CASE(test_ilbm_malformed_header)
{
Array test_inputs = {
TEST_INPUT("ilbm/truncated-bmhd-chunk.iff"sv)
};
for (auto test_input : test_inputs) {
auto file = TRY_OR_FAIL(Core::MappedFile::map(test_input));
auto plugin_decoder_or_error = Gfx::ILBMImageDecoderPlugin::create(file->bytes());
EXPECT(plugin_decoder_or_error.is_error());
}
}
TEST_CASE(test_ilbm_malformed_frame)
{
Array test_inputs = {
TEST_INPUT("ilbm/incorrect-cmap-size.iff"sv),
TEST_INPUT("ilbm/incorrect-uncompressed-size.iff"sv),
TEST_INPUT("ilbm/missing-body-chunk.iff"sv)
};
for (auto test_input : test_inputs) {
auto file = TRY_OR_FAIL(Core::MappedFile::map(test_input));
auto plugin_decoder = TRY_OR_FAIL(Gfx::ILBMImageDecoderPlugin::create(file->bytes()));
auto frame_or_error = plugin_decoder->frame(0);
EXPECT(frame_or_error.is_error());
}
}
TEST_CASE(test_jbig2_size)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("jbig2/bitmap.jbig2"sv)));
EXPECT(Gfx::JBIG2ImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::JBIG2ImageDecoderPlugin::create(file->bytes()));
EXPECT_EQ(plugin_decoder->size(), Gfx::IntSize(399, 400));
}
TEST_CASE(test_jbig2_white_47x23)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("jbig2/white_47x23.jbig2"sv)));
EXPECT(Gfx::JBIG2ImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::JBIG2ImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 47, 23 }));
for (auto pixel : *frame.image)
EXPECT_EQ(pixel, Gfx::Color(Gfx::Color::White).value());
}
TEST_CASE(test_jbig2_decode)
{
auto bmp_file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("bmp/bitmap.bmp"sv)));
auto bmp_plugin_decoder = TRY_OR_FAIL(Gfx::BMPImageDecoderPlugin::create(bmp_file->bytes()));
auto bmp_frame = TRY_OR_FAIL(expect_single_frame_of_size(*bmp_plugin_decoder, { 399, 400 }));
Array test_inputs = {
TEST_INPUT("jbig2/bitmap.jbig2"sv),
TEST_INPUT("jbig2/bitmap-tpgdon.jbig2"sv),
};
for (auto test_input : test_inputs) {
auto file = TRY_OR_FAIL(Core::MappedFile::map(test_input));
EXPECT(Gfx::JBIG2ImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::JBIG2ImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 399, 400 }));
for (int y = 0; y < frame.image->height(); ++y)
for (int x = 0; x < frame.image->width(); ++x)
EXPECT_EQ(frame.image->get_pixel(x, y), bmp_frame.image->get_pixel(x, y));
}
}
TEST_CASE(test_jbig2_arithmetic_decoder)
{
// https://www.itu.int/rec/T-REC-T.88-201808-I
// H.2 Test sequence for arithmetic coder
// clang-format off
constexpr auto input = to_array<u8>({
0x84, 0xC7, 0x3B, 0xFC, 0xE1, 0xA1, 0x43, 0x04,
0x02, 0x20, 0x00, 0x00, 0x41, 0x0D, 0xBB, 0x86,
0xF4, 0x31, 0x7F, 0xFF, 0x88, 0xFF, 0x37, 0x47,
0x1A, 0xDB, 0x6A, 0xDF, 0xFF, 0xAC
});
constexpr auto output = to_array<u8>({
0x00, 0x02, 0x00, 0x51, 0x00, 0x00, 0x00, 0xC0,
0x03, 0x52, 0x87, 0x2A, 0xAA, 0xAA, 0xAA, 0xAA,
0x82, 0xC0, 0x20, 0x00, 0xFC, 0xD7, 0x9E, 0xF6,
0xBF, 0x7F, 0xED, 0x90, 0x4F, 0x46, 0xA3, 0xBF
});
// clang-format on
// "For this entire test, a single value of CX is used. I(CX) is initially 0 and MPS(CX) is initially 0."
Gfx::JBIG2::ArithmeticDecoder::Context context { 0, 0 };
auto decoder = MUST(Gfx::JBIG2::ArithmeticDecoder::initialize(input));
for (auto expected : output) {
u8 actual = 0;
for (size_t i = 0; i < 8; ++i) {
actual <<= 1;
actual |= static_cast<u8>(decoder.get_next_bit(context));
}
EXPECT_EQ(actual, expected);
}
}
TEST_CASE(test_jpeg_sof0_one_scan)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("jpg/rgb24.jpg"sv)));
EXPECT(Gfx::JPEGImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::JPEGImageDecoderPlugin::create(file->bytes()));
TRY_OR_FAIL(expect_single_frame(*plugin_decoder));
}
TEST_CASE(test_jpeg_sof0_several_scans)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("jpg/several_scans.jpg"sv)));
EXPECT(Gfx::JPEGImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::JPEGImageDecoderPlugin::create(file->bytes()));
TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 592, 800 }));
}
TEST_CASE(test_odd_mcu_restart_interval)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("jpg/odd-restart.jpg"sv)));
EXPECT(Gfx::JPEGImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::JPEGImageDecoderPlugin::create(file->bytes()));
TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 102, 77 }));
}
TEST_CASE(test_jpeg_rgb_components)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("jpg/rgb_components.jpg"sv)));
EXPECT(Gfx::JPEGImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::JPEGImageDecoderPlugin::create(file->bytes()));
TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 592, 800 }));
}
TEST_CASE(test_jpeg_ycck)
{
Array test_inputs = {
TEST_INPUT("jpg/ycck-1111.jpg"sv),
TEST_INPUT("jpg/ycck-2111.jpg"sv),
TEST_INPUT("jpg/ycck-2112.jpg"sv),
};
for (auto test_input : test_inputs) {
auto file = TRY_OR_FAIL(Core::MappedFile::map(test_input));
EXPECT(Gfx::JPEGImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::JPEGImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 592, 800 }));
// Compare difference between pixels so we don't depend on exact CMYK->RGB conversion behavior.
// These two pixels are currently off by one in R.
// FIXME: For 2111, they're off by way more.
EXPECT(frame.image->get_pixel(6, 319).distance_squared_to(frame.image->get_pixel(6, 320)) < 1.0f / 255.0f);
}
}
TEST_CASE(test_jpeg_sof2_spectral_selection)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("jpg/spectral_selection.jpg"sv)));
EXPECT(Gfx::JPEGImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::JPEGImageDecoderPlugin::create(file->bytes()));
TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 592, 800 }));
}
TEST_CASE(test_jpeg_sof0_several_scans_odd_number_mcu)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("jpg/several_scans_odd_number_mcu.jpg"sv)));
EXPECT(Gfx::JPEGImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::JPEGImageDecoderPlugin::create(file->bytes()));
TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 600, 600 }));
}
TEST_CASE(test_jpeg_sof2_successive_aproximation)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("jpg/successive_approximation.jpg"sv)));
EXPECT(Gfx::JPEGImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::JPEGImageDecoderPlugin::create(file->bytes()));
TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 600, 800 }));
}
TEST_CASE(test_jpeg_sof1_12bits)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("jpg/12-bit.jpg"sv)));
EXPECT(Gfx::JPEGImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::JPEGImageDecoderPlugin::create(file->bytes()));
TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 320, 240 }));
}
TEST_CASE(test_jpeg_sof2_12bits)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("jpg/12-bit-progressive.jpg"sv)));
EXPECT(Gfx::JPEGImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::JPEGImageDecoderPlugin::create(file->bytes()));
TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 320, 240 }));
}
TEST_CASE(test_jpeg_empty_icc)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("jpg/gradient_empty_icc.jpg"sv)));
EXPECT(Gfx::JPEGImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::JPEGImageDecoderPlugin::create(file->bytes()));
TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 80, 80 }));
}
TEST_CASE(test_jpeg_grayscale_with_app14)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("jpg/grayscale_app14.jpg"sv)));
EXPECT(Gfx::JPEGImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::JPEGImageDecoderPlugin::create(file->bytes()));
TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 80, 80 }));
}
TEST_CASE(test_jpeg_grayscale_with_weird_mcu_and_reset_marker)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("jpg/grayscale_mcu.jpg"sv)));
EXPECT(Gfx::JPEGImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::JPEGImageDecoderPlugin::create(file->bytes()));
TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 320, 240 }));
}
TEST_CASE(test_jpeg_malformed_header)
{
Array test_inputs = {
TEST_INPUT("jpg/oss-fuzz-testcase-59785.jpg"sv)
};
for (auto test_input : test_inputs) {
auto file = TRY_OR_FAIL(Core::MappedFile::map(test_input));
auto plugin_decoder_or_error = Gfx::JPEGImageDecoderPlugin::create(file->bytes());
EXPECT(plugin_decoder_or_error.is_error());
}
}
TEST_CASE(test_jpeg_malformed_frame)
{
Array test_inputs = {
TEST_INPUT("jpg/oss-fuzz-testcase-62584.jpg"sv),
TEST_INPUT("jpg/oss-fuzz-testcase-63815.jpg"sv)
};
for (auto test_input : test_inputs) {
auto file = TRY_OR_FAIL(Core::MappedFile::map(test_input));
auto plugin_decoder = TRY_OR_FAIL(Gfx::JPEGImageDecoderPlugin::create(file->bytes()));
auto frame_or_error = plugin_decoder->frame(0);
EXPECT(frame_or_error.is_error());
}
}
TEST_CASE(test_jpeg2000_simple)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("jpeg2000/simple.jp2"sv)));
EXPECT(Gfx::JPEG2000ImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::JPEG2000ImageDecoderPlugin::create(file->bytes()));
EXPECT_EQ(plugin_decoder->size(), Gfx::IntSize(119, 101));
}
TEST_CASE(test_pam_rgb)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("pnm/2x1.pam"sv)));
EXPECT(Gfx::PAMImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::PAMImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame(*plugin_decoder));
EXPECT_EQ(frame.image->size(), Gfx::IntSize(2, 1));
EXPECT_EQ(frame.image->get_pixel(0, 0), Gfx::Color('0', 'z', '0'));
EXPECT_EQ(frame.image->get_pixel(1, 0), Gfx::Color('0', '0', 'z'));
}
TEST_CASE(test_pam_cmyk)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("pnm/2x1-cmyk.pam"sv)));
EXPECT(Gfx::PAMImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::PAMImageDecoderPlugin::create(file->bytes()));
EXPECT_EQ(plugin_decoder->natural_frame_format(), Gfx::NaturalFrameFormat::CMYK);
auto cmyk_frame = TRY_OR_FAIL(plugin_decoder->cmyk_frame());
EXPECT_EQ(cmyk_frame->size(), Gfx::IntSize(2, 1));
EXPECT_EQ(cmyk_frame->begin()[0], (Gfx::CMYK { '0', 'z', '0', 'y' }));
EXPECT_EQ(cmyk_frame->begin()[1], (Gfx::CMYK { '0', '0', 'z', 'y' }));
auto frame = TRY_OR_FAIL(expect_single_frame(*plugin_decoder));
EXPECT_EQ(frame.image->size(), Gfx::IntSize(2, 1));
EXPECT_EQ(frame.image->get_pixel(0, 0), Gfx::Color('l', 'E', 'l'));
EXPECT_EQ(frame.image->get_pixel(1, 0), Gfx::Color('l', 'l', 'E'));
}
TEST_CASE(test_pbm)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("pnm/buggie-raw.pbm"sv)));
EXPECT(Gfx::PBMImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::PBMImageDecoderPlugin::create(file->bytes()));
TRY_OR_FAIL(expect_single_frame(*plugin_decoder));
}
TEST_CASE(test_pgm)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("pnm/buggie-raw.pgm"sv)));
EXPECT(Gfx::PGMImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::PGMImageDecoderPlugin::create(file->bytes()));
TRY_OR_FAIL(expect_single_frame(*plugin_decoder));
}
TEST_CASE(test_png)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("png/buggie.png"sv)));
EXPECT(Gfx::PNGImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::PNGImageDecoderPlugin::create(file->bytes()));
TRY_OR_FAIL(expect_single_frame(*plugin_decoder));
}
TEST_CASE(test_png_malformed_frame)
{
Array test_inputs = {
TEST_INPUT("png/oss-fuzz-testcase-62371.png"sv),
TEST_INPUT("png/oss-fuzz-testcase-63052.png"sv)
};
for (auto test_input : test_inputs) {
auto file = TRY_OR_FAIL(Core::MappedFile::map(test_input));
auto plugin_decoder = TRY_OR_FAIL(Gfx::PNGImageDecoderPlugin::create(file->bytes()));
auto frame_or_error = plugin_decoder->frame(0);
EXPECT(frame_or_error.is_error());
}
}
TEST_CASE(test_ppm)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("pnm/buggie-raw.ppm"sv)));
EXPECT(Gfx::PPMImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::PPMImageDecoderPlugin::create(file->bytes()));
TRY_OR_FAIL(expect_single_frame(*plugin_decoder));
}
TEST_CASE(test_targa_bottom_left)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("tga/buggie-bottom-left-uncompressed.tga"sv)));
EXPECT(Gfx::TGAImageDecoderPlugin::validate_before_create(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::TGAImageDecoderPlugin::create(file->bytes()));
TRY_OR_FAIL(expect_single_frame(*plugin_decoder));
}
TEST_CASE(test_targa_top_left)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("tga/buggie-top-left-uncompressed.tga"sv)));
EXPECT(Gfx::TGAImageDecoderPlugin::validate_before_create(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::TGAImageDecoderPlugin::create(file->bytes()));
TRY_OR_FAIL(expect_single_frame(*plugin_decoder));
}
TEST_CASE(test_targa_bottom_left_compressed)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("tga/buggie-bottom-left-compressed.tga"sv)));
EXPECT(Gfx::TGAImageDecoderPlugin::validate_before_create(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::TGAImageDecoderPlugin::create(file->bytes()));
TRY_OR_FAIL(expect_single_frame(*plugin_decoder));
}
TEST_CASE(test_targa_top_left_compressed)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("tga/buggie-top-left-compressed.tga"sv)));
EXPECT(Gfx::TGAImageDecoderPlugin::validate_before_create(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::TGAImageDecoderPlugin::create(file->bytes()));
TRY_OR_FAIL(expect_single_frame(*plugin_decoder));
}
TEST_CASE(test_tiff_uncompressed)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("tiff/uncompressed.tiff"sv)));
EXPECT(Gfx::TIFFImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::TIFFImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 400, 300 }));
EXPECT_EQ(frame.image->get_pixel(0, 0), Gfx::Color::NamedColor::White);
EXPECT_EQ(frame.image->get_pixel(60, 75), Gfx::Color::NamedColor::Red);
}
TEST_CASE(test_tiff_ccitt_rle)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("tiff/ccitt_rle.tiff"sv)));
EXPECT(Gfx::TIFFImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::TIFFImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 400, 300 }));
EXPECT_EQ(frame.image->get_pixel(0, 0), Gfx::Color::NamedColor::White);
EXPECT_EQ(frame.image->get_pixel(60, 75), Gfx::Color::NamedColor::Black);
}
TEST_CASE(test_tiff_ccitt3)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("tiff/ccitt3.tiff"sv)));
EXPECT(Gfx::TIFFImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::TIFFImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 400, 300 }));
EXPECT_EQ(frame.image->get_pixel(0, 0), Gfx::Color::NamedColor::White);
EXPECT_EQ(frame.image->get_pixel(60, 75), Gfx::Color::NamedColor::Black);
}
TEST_CASE(test_tiff_ccitt3_fill)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("tiff/ccitt3_1d_fill.tiff"sv)));
EXPECT(Gfx::TIFFImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::TIFFImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 6, 4 }));
EXPECT_EQ(frame.image->get_pixel(0, 0), Gfx::Color::NamedColor::White);
EXPECT_EQ(frame.image->get_pixel(3, 0), Gfx::Color::NamedColor::Black);
EXPECT_EQ(frame.image->get_pixel(2, 2), Gfx::Color::NamedColor::White);
EXPECT_EQ(frame.image->get_pixel(5, 3), Gfx::Color::NamedColor::White);
}
TEST_CASE(test_tiff_ccitt3_2d)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("tiff/ccitt3_2d.tiff"sv)));
EXPECT(Gfx::TIFFImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::TIFFImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 400, 300 }));
EXPECT_EQ(frame.image->get_pixel(0, 0), Gfx::Color::NamedColor::White);
EXPECT_EQ(frame.image->get_pixel(60, 75), Gfx::Color::NamedColor::Black);
}
TEST_CASE(test_tiff_ccitt3_2d_fill)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("tiff/ccitt3_2d_fill.tiff"sv)));
EXPECT(Gfx::TIFFImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::TIFFImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 400, 300 }));
EXPECT_EQ(frame.image->get_pixel(0, 0), Gfx::Color::NamedColor::White);
EXPECT_EQ(frame.image->get_pixel(60, 75), Gfx::Color::NamedColor::Black);
}
TEST_CASE(test_tiff_ccitt4)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("tiff/ccitt4.tiff"sv)));
EXPECT(Gfx::TIFFImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::TIFFImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 400, 300 }));
EXPECT_EQ(frame.image->get_pixel(0, 0), Gfx::Color::NamedColor::White);
EXPECT_EQ(frame.image->get_pixel(60, 75), Gfx::Color::NamedColor::Black);
}
TEST_CASE(test_tiff_lzw)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("tiff/lzw.tiff"sv)));
EXPECT(Gfx::TIFFImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::TIFFImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 400, 300 }));
EXPECT_EQ(frame.image->get_pixel(0, 0), Gfx::Color::NamedColor::White);
EXPECT_EQ(frame.image->get_pixel(60, 75), Gfx::Color::NamedColor::Red);
}
TEST_CASE(test_tiff_deflate)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("tiff/deflate.tiff"sv)));
EXPECT(Gfx::TIFFImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::TIFFImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 400, 300 }));
EXPECT_EQ(frame.image->get_pixel(0, 0), Gfx::Color::NamedColor::White);
EXPECT_EQ(frame.image->get_pixel(60, 75), Gfx::Color::NamedColor::Red);
}
TEST_CASE(test_tiff_krita)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("tiff/krita.tif"sv)));
EXPECT(Gfx::TIFFImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::TIFFImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 400, 300 }));
EXPECT_EQ(frame.image->get_pixel(0, 0), Gfx::Color::NamedColor::White);
EXPECT_EQ(frame.image->get_pixel(60, 75), Gfx::Color::NamedColor::Red);
}
TEST_CASE(test_tiff_orientation)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("tiff/orientation.tiff"sv)));
EXPECT(Gfx::TIFFImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::TIFFImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 300, 400 }));
// Orientation is Rotate90Clockwise
EXPECT_EQ(frame.image->get_pixel(0, 0), Gfx::Color::NamedColor::White);
EXPECT_EQ(frame.image->get_pixel(300 - 75, 60), Gfx::Color::NamedColor::Red);
}
TEST_CASE(test_tiff_packed_bits)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("tiff/packed_bits.tiff"sv)));
EXPECT(Gfx::TIFFImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::TIFFImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 400, 300 }));
EXPECT_EQ(frame.image->get_pixel(0, 0), Gfx::Color::NamedColor::White);
EXPECT_EQ(frame.image->get_pixel(60, 75), Gfx::Color::NamedColor::Red);
}
TEST_CASE(test_tiff_grayscale)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("tiff/grayscale.tiff"sv)));
EXPECT(Gfx::TIFFImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::TIFFImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 400, 300 }));
EXPECT_EQ(frame.image->get_pixel(0, 0), Gfx::Color::NamedColor::White);
EXPECT_EQ(frame.image->get_pixel(60, 75), Gfx::Color(130, 130, 130));
}
TEST_CASE(test_tiff_grayscale_alpha)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("tiff/grayscale_alpha.tiff"sv)));
EXPECT(Gfx::TIFFImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::TIFFImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 400, 300 }));
EXPECT_EQ(frame.image->get_pixel(0, 0).alpha(), 0);
EXPECT_EQ(frame.image->get_pixel(60, 75), Gfx::Color(130, 130, 130));
}
TEST_CASE(test_tiff_rgb_alpha)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("tiff/rgb_alpha.tiff"sv)));
EXPECT(Gfx::TIFFImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::TIFFImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 400, 300 }));
EXPECT_EQ(frame.image->get_pixel(0, 0).alpha(), 0);
EXPECT_EQ(frame.image->get_pixel(60, 75), Gfx::Color::NamedColor::Red);
}
TEST_CASE(test_tiff_palette_alpha)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("tiff/rgb_palette_alpha.tiff"sv)));
EXPECT(Gfx::TIFFImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::TIFFImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 400, 300 }));
EXPECT_EQ(frame.image->get_pixel(0, 0).alpha(), 0);
EXPECT_EQ(frame.image->get_pixel(60, 75), Gfx::Color::NamedColor::Red);
}
TEST_CASE(test_tiff_alpha_predictor)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("tiff/alpha_predictor.tiff"sv)));
EXPECT(Gfx::TIFFImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::TIFFImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 400, 300 }));
EXPECT_EQ(frame.image->get_pixel(0, 0).alpha(), 255);
EXPECT_EQ(frame.image->get_pixel(60, 75), Gfx::Color::NamedColor::Red);
}
TEST_CASE(test_tiff_16_bits)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("tiff/16_bits.tiff"sv)));
EXPECT(Gfx::TIFFImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::TIFFImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 400, 300 }));
EXPECT_EQ(frame.image->get_pixel(0, 0), Gfx::Color::NamedColor::White);
EXPECT_EQ(frame.image->get_pixel(60, 75), Gfx::Color::NamedColor::Red);
}
TEST_CASE(test_tiff_cmyk)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("tiff/cmyk.tiff"sv)));
EXPECT(Gfx::TIFFImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::TIFFImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 400, 300 }));
EXPECT_EQ(frame.image->get_pixel(0, 0), Gfx::Color::NamedColor::White);
// I stripped the ICC profile from the image, so we can't test for equality with Red here.
EXPECT_NE(frame.image->get_pixel(60, 75), Gfx::Color::NamedColor::White);
}
TEST_CASE(test_tiff_tiled)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("tiff/tiled.tiff"sv)));
EXPECT(Gfx::TIFFImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::TIFFImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 400, 300 }));
EXPECT_EQ(frame.image->get_pixel(0, 0), Gfx::Color::NamedColor::White);
EXPECT_EQ(frame.image->get_pixel(60, 75), Gfx::Color::NamedColor::Red);
}
TEST_CASE(test_tiff_invalid_tag)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("tiff/invalid_tag.tiff"sv)));
EXPECT(Gfx::TIFFImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::TIFFImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 10, 10 }));
EXPECT_EQ(frame.image->get_pixel(0, 0), Gfx::Color::NamedColor::Black);
EXPECT_EQ(frame.image->get_pixel(0, 9), Gfx::Color::NamedColor::White);
}
TEST_CASE(test_webp_simple_lossy)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("webp/simple-vp8.webp"sv)));
EXPECT(Gfx::WebPImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::WebPImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 240, 240 }));
// While VP8 YUV contents are defined bit-exact, the YUV->RGB conversion isn't.
// So pixels changing by 1 or so below is fine if you change code.
EXPECT_EQ(frame.image->get_pixel(120, 232), Gfx::Color(0xf2, 0xef, 0xf0, 255));
EXPECT_EQ(frame.image->get_pixel(198, 202), Gfx::Color(0x7b, 0xaa, 0xd5, 255));
}
TEST_CASE(test_webp_simple_lossless)
{
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("webp/simple-vp8l.webp"sv)));
EXPECT(Gfx::WebPImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::WebPImageDecoderPlugin::create(file->bytes()));
// Ironically, simple-vp8l.webp is a much more complex file than extended-lossless.webp tested below.
// extended-lossless.webp tests the decoding basics.
// This here tests the predictor, color, and subtract green transforms,
// as well as meta prefix images, one-element canonical code handling,
// and handling of canonical codes with more than 288 elements.
// This image uses all 13 predictor modes of the predictor transform.
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 386, 395 }));
EXPECT_EQ(frame.image->get_pixel(0, 0), Gfx::Color(0, 0, 0, 0));
// This pixel tests all predictor modes except 5, 7, 8, 9, and 13.
EXPECT_EQ(frame.image->get_pixel(289, 332), Gfx::Color(0xf2, 0xee, 0xd3, 255));
}
TEST_CASE(test_webp_simple_lossless_alpha_used_false)
{
// This file is identical to simple-vp8l.webp, but the `is_alpha_used` used bit is false.
// The file still contains alpha data. This tests that the decoder replaces the stored alpha data with 0xff if `is_alpha_used` is false.
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("webp/simple-vp8l-alpha-used-false.webp"sv)));
EXPECT(Gfx::WebPImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::WebPImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 386, 395 }));
EXPECT_EQ(frame.image->get_pixel(0, 0), Gfx::Color(0, 0, 0, 0xff));
}
TEST_CASE(test_webp_extended_lossy)
{
// This extended lossy image has an ALPH chunk for (losslessly compressed) alpha data.
auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("webp/extended-lossy.webp"sv)));
EXPECT(Gfx::WebPImageDecoderPlugin::sniff(file->bytes()));
auto plugin_decoder = TRY_OR_FAIL(Gfx::WebPImageDecoderPlugin::create(file->bytes()));
auto frame = TRY_OR_FAIL(expect_single_frame_of_size(*plugin_decoder, { 417, 223 }));
// While VP8 YUV contents are defined bit-exact, the YUV->RGB conversion isn't.
// So pixels changing by 1 or so below is fine if you change code.
EXPECT_EQ(frame.image->get_pixel(89, 72), Gfx::Color(255, 1, 0, 255));
EXPECT_EQ(frame.image->get_pixel(174, 69), Gfx::Color(0, 255, 0, 255));
EXPECT_EQ(frame.image->get_pixel(245, 84), Gfx::Color(0, 0, 255, 255));
EXPECT_EQ(frame.image->get_pixel(352, 125), Gfx::Color(0, 0, 0, 128));
EXPECT_EQ(frame.image->get_pixel(355, 106), Gfx::Color(0, 0, 0, 0));
// Check same basic pixels as in test_webp_extended_lossless too.
// (The top-left pixel in the lossy version is fully transparent white, compared to fully transparent black in the lossless version).
EXPECT_EQ(frame.image->get_pixel(0, 0), Gfx::Color(255, 255, 255, 0));