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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.
#include "third_party/blink/renderer/platform/graphics/blend_mode.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
namespace blink {
SkBlendMode ToSkBlendMode(CompositeOperator op, BlendMode blend_mode) {
if (blend_mode != BlendMode::kNormal) {
DCHECK(op == kCompositeSourceOver);
return ToSkBlendMode(blend_mode);
}
switch (op) {
case kCompositeClear:
return SkBlendMode::kClear;
case kCompositeCopy:
return SkBlendMode::kSrc;
case kCompositeSourceOver:
return SkBlendMode::kSrcOver;
case kCompositeSourceIn:
return SkBlendMode::kSrcIn;
case kCompositeSourceOut:
return SkBlendMode::kSrcOut;
case kCompositeSourceAtop:
return SkBlendMode::kSrcATop;
case kCompositeDestinationOver:
return SkBlendMode::kDstOver;
case kCompositeDestinationIn:
return SkBlendMode::kDstIn;
case kCompositeDestinationOut:
return SkBlendMode::kDstOut;
case kCompositeDestinationAtop:
return SkBlendMode::kDstATop;
case kCompositeXOR:
return SkBlendMode::kXor;
case kCompositePlusLighter:
return SkBlendMode::kPlus;
}
NOTREACHED();
}
SkBlendMode ToSkBlendMode(BlendMode blend_mode) {
switch (blend_mode) {
case BlendMode::kNormal:
return SkBlendMode::kSrcOver;
case BlendMode::kMultiply:
return SkBlendMode::kMultiply;
case BlendMode::kScreen:
return SkBlendMode::kScreen;
case BlendMode::kOverlay:
return SkBlendMode::kOverlay;
case BlendMode::kDarken:
return SkBlendMode::kDarken;
case BlendMode::kLighten:
return SkBlendMode::kLighten;
case BlendMode::kColorDodge:
return SkBlendMode::kColorDodge;
case BlendMode::kColorBurn:
return SkBlendMode::kColorBurn;
case BlendMode::kHardLight:
return SkBlendMode::kHardLight;
case BlendMode::kSoftLight:
return SkBlendMode::kSoftLight;
case BlendMode::kDifference:
return SkBlendMode::kDifference;
case BlendMode::kExclusion:
return SkBlendMode::kExclusion;
case BlendMode::kHue:
return SkBlendMode::kHue;
case BlendMode::kSaturation:
return SkBlendMode::kSaturation;
case BlendMode::kColor:
return SkBlendMode::kColor;
case BlendMode::kLuminosity:
return SkBlendMode::kLuminosity;
case BlendMode::kPlusLighter:
return SkBlendMode::kPlus;
}
NOTREACHED();
}
String BlendModeToString(BlendMode blend_op) {
switch (blend_op) {
case BlendMode::kNormal:
return "normal";
case BlendMode::kMultiply:
return "multiply";
case BlendMode::kScreen:
return "screen";
case BlendMode::kOverlay:
return "overlay";
case BlendMode::kDarken:
return "darken";
case BlendMode::kLighten:
return "lighten";
case BlendMode::kColorDodge:
return "color-dodge";
case BlendMode::kColorBurn:
return "color-burn";
case BlendMode::kHardLight:
return "hard-light";
case BlendMode::kSoftLight:
return "soft-light";
case BlendMode::kDifference:
return "difference";
case BlendMode::kExclusion:
return "exclusion";
case BlendMode::kHue:
return "hue";
case BlendMode::kSaturation:
return "saturation";
case BlendMode::kColor:
return "color";
case BlendMode::kLuminosity:
return "luminosity";
case BlendMode::kPlusLighter:
return "plus-lighter";
}
NOTREACHED();
}
} // namespace blink
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