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// Copyright 2025 The Chromium Authors
// 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_BLEND_MODE_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_BLEND_MODE_H_
#include <stdint.h>
#include "third_party/blink/renderer/platform/platform_export.h"
#include "third_party/skia/include/core/SkBlendMode.h"
namespace WTF {
class String;
}
namespace blink {
enum CompositeOperator {
kCompositeClear,
kCompositeCopy,
kCompositeSourceOver,
kCompositeSourceIn,
kCompositeSourceOut,
kCompositeSourceAtop,
kCompositeDestinationOver,
kCompositeDestinationIn,
kCompositeDestinationOut,
kCompositeDestinationAtop,
kCompositeXOR,
kCompositePlusLighter
};
enum class BlendMode : uint8_t {
kNormal,
kMultiply,
kScreen,
kOverlay,
kDarken,
kLighten,
kColorDodge,
kColorBurn,
kHardLight,
kSoftLight,
kDifference,
kExclusion,
kHue,
kSaturation,
kColor,
kLuminosity,
// The following is only used in CSS mix-blend-mode, and maps to a composite
// operator. Canvas uses the same enum but the kPlusLighter is not a valid
// canvas value. We should consider splitting the enums.
kPlusLighter,
kMaxBlendMode = kPlusLighter,
};
PLATFORM_EXPORT SkBlendMode ToSkBlendMode(CompositeOperator,
BlendMode = BlendMode::kNormal);
PLATFORM_EXPORT SkBlendMode ToSkBlendMode(BlendMode);
PLATFORM_EXPORT WTF::String BlendModeToString(BlendMode);
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_BLEND_MODE_H_
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