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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_COLOR_CORRECTION_TEST_UTILS_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_COLOR_CORRECTION_TEST_UTILS_H_
#include "third_party/blink/renderer/platform/graphics/canvas_color_params.h"
#include "third_party/blink/renderer/platform/graphics/graphics_types.h"
#include "third_party/blink/renderer/platform/runtime_enabled_features.h"
#include "third_party/skia/include/core/SkColorSpaceXform.h"
#include "third_party/skia/include/core/SkImage.h"
namespace blink {
enum PixelsAlphaMultiply {
kAlphaMultiplied,
kAlphaUnmultiplied,
};
enum UnpremulRoundTripTolerance {
kNoUnpremulRoundTripTolerance,
kUnpremulRoundTripTolerance,
};
class ColorCorrectionTestUtils {
public:
static void CompareColorCorrectedPixels(
const void* actual_pixels,
const void* expected_pixels,
int num_pixels,
ImageDataStorageFormat src_storage_format,
PixelsAlphaMultiply alpha_multiplied,
UnpremulRoundTripTolerance premul_unpremul_tolerance);
static bool ConvertPixelsToColorSpaceAndPixelFormatForTest(
void* src_data,
int num_elements,
CanvasColorSpace src_color_space,
ImageDataStorageFormat src_storage_format,
CanvasColorSpace dst_color_space,
CanvasPixelFormat dst_pixel_format,
std::unique_ptr<uint8_t[]>& converted_pixels,
SkColorSpaceXform::ColorFormat color_format_for_f16_canvas);
static bool MatchColorSpace(SkColorSpace* src_color_space,
SkColorSpace* dst_color_space,
float xyz_d50_component_tolerance);
static bool MatchSkImages(sk_sp<SkImage> src_image,
sk_sp<SkImage> dst_image,
unsigned uint8_tolerance,
float f16_tolerance,
float xyz_d50_component_tolerance,
bool compare_alpha);
private:
static bool IsNearlyTheSame(float expected, float actual, float tolerance);
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_COLOR_CORRECTION_TEST_UTILS_H_
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