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aefab64984
Explicit template arguments must be wrapped in parens, else they confuse the preprocessor. Add the parens instead of avoiding the use of explicit template arguments. No behavior change.
79 lines
2.5 KiB
C++
79 lines
2.5 KiB
C++
/*
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* Copyright (c) 2024, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/MemoryStream.h>
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#include <LibGfx/Bitmap.h>
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#include <LibGfx/ImageFormats/WebPLoader.h>
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#include <LibGfx/ImageFormats/WebPWriter.h>
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#include <LibTest/TestCase.h>
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static ErrorOr<NonnullRefPtr<Gfx::Bitmap>> expect_single_frame(Gfx::ImageDecoderPlugin& plugin_decoder)
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{
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EXPECT_EQ(plugin_decoder.frame_count(), 1u);
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EXPECT(!plugin_decoder.is_animated());
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EXPECT(!plugin_decoder.loop_count());
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auto frame_descriptor = TRY(plugin_decoder.frame(0));
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EXPECT_EQ(frame_descriptor.duration, 0);
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return *frame_descriptor.image;
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}
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static ErrorOr<NonnullRefPtr<Gfx::Bitmap>> expect_single_frame_of_size(Gfx::ImageDecoderPlugin& plugin_decoder, Gfx::IntSize size)
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{
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EXPECT_EQ(plugin_decoder.size(), size);
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auto frame = TRY(expect_single_frame(plugin_decoder));
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EXPECT_EQ(frame->size(), size);
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return frame;
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}
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template<class Writer, class Loader>
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static ErrorOr<void> test_roundtrip(Gfx::Bitmap const& bitmap)
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{
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AllocatingMemoryStream stream;
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TRY(Writer::encode(stream, bitmap));
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auto encoded_data = TRY(stream.read_until_eof());
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auto plugin = TRY(Loader::create(encoded_data));
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auto decoded = TRY(expect_single_frame_of_size(*plugin, bitmap.size()));
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for (int y = 0; y < bitmap.height(); ++y)
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for (int x = 0; x < bitmap.width(); ++x)
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EXPECT_EQ(decoded->get_pixel(x, y), bitmap.get_pixel(x, y));
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return {};
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}
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static ErrorOr<AK::NonnullRefPtr<Gfx::Bitmap>> create_test_rgb_bitmap()
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{
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auto bitmap = TRY(Gfx::Bitmap::create(Gfx::BitmapFormat::BGRA8888, { 47, 33 }));
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for (int y = 0; y < bitmap->height(); ++y)
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for (int x = 0; x < bitmap->width(); ++x)
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bitmap->set_pixel(x, y, Gfx::Color((x * 255) / bitmap->width(), (y * 255) / bitmap->height(), x + y));
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return bitmap;
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}
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static ErrorOr<AK::NonnullRefPtr<Gfx::Bitmap>> create_test_rgba_bitmap()
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{
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auto bitmap = TRY(create_test_rgb_bitmap());
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for (int y = 0; y < bitmap->height(); ++y) {
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for (int x = 0; x < bitmap->width(); ++x) {
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Color pixel = bitmap->get_pixel(x, y);
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pixel.set_alpha(255 - x);
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bitmap->set_pixel(x, y, pixel);
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}
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}
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return bitmap;
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}
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TEST_CASE(test_webp)
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{
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TRY_OR_FAIL((test_roundtrip<Gfx::WebPWriter, Gfx::WebPImageDecoderPlugin>(TRY_OR_FAIL(create_test_rgb_bitmap()))));
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TRY_OR_FAIL((test_roundtrip<Gfx::WebPWriter, Gfx::WebPImageDecoderPlugin>(TRY_OR_FAIL(create_test_rgba_bitmap()))));
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}
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