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// Copyright 2014 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 CC_BLINK_WEB_BLEND_MODE_H_
#define CC_BLINK_WEB_BLEND_MODE_H_
#include "third_party/WebKit/public/platform/WebBlendMode.h"
#include "third_party/skia/include/core/SkXfermode.h"
namespace cc_blink {
inline SkXfermode::Mode BlendModeToSkia(blink::WebBlendMode blend_mode) {
switch (blend_mode) {
case blink::WebBlendModeNormal:
return SkXfermode::kSrcOver_Mode;
case blink::WebBlendModeMultiply:
return SkXfermode::kMultiply_Mode;
case blink::WebBlendModeScreen:
return SkXfermode::kScreen_Mode;
case blink::WebBlendModeOverlay:
return SkXfermode::kOverlay_Mode;
case blink::WebBlendModeDarken:
return SkXfermode::kDarken_Mode;
case blink::WebBlendModeLighten:
return SkXfermode::kLighten_Mode;
case blink::WebBlendModeColorDodge:
return SkXfermode::kColorDodge_Mode;
case blink::WebBlendModeColorBurn:
return SkXfermode::kColorBurn_Mode;
case blink::WebBlendModeHardLight:
return SkXfermode::kHardLight_Mode;
case blink::WebBlendModeSoftLight:
return SkXfermode::kSoftLight_Mode;
case blink::WebBlendModeDifference:
return SkXfermode::kDifference_Mode;
case blink::WebBlendModeExclusion:
return SkXfermode::kExclusion_Mode;
case blink::WebBlendModeHue:
return SkXfermode::kHue_Mode;
case blink::WebBlendModeSaturation:
return SkXfermode::kSaturation_Mode;
case blink::WebBlendModeColor:
return SkXfermode::kColor_Mode;
case blink::WebBlendModeLuminosity:
return SkXfermode::kLuminosity_Mode;
}
return SkXfermode::kSrcOver_Mode;
}
inline blink::WebBlendMode BlendModeFromSkia(SkXfermode::Mode blend_mode) {
switch (blend_mode) {
case SkXfermode::kSrcOver_Mode:
return blink::WebBlendModeNormal;
case SkXfermode::kMultiply_Mode:
return blink::WebBlendModeMultiply;
case SkXfermode::kScreen_Mode:
return blink::WebBlendModeScreen;
case SkXfermode::kOverlay_Mode:
return blink::WebBlendModeOverlay;
case SkXfermode::kDarken_Mode:
return blink::WebBlendModeDarken;
case SkXfermode::kLighten_Mode:
return blink::WebBlendModeLighten;
case SkXfermode::kColorDodge_Mode:
return blink::WebBlendModeColorDodge;
case SkXfermode::kColorBurn_Mode:
return blink::WebBlendModeColorBurn;
case SkXfermode::kHardLight_Mode:
return blink::WebBlendModeHardLight;
case SkXfermode::kSoftLight_Mode:
return blink::WebBlendModeSoftLight;
case SkXfermode::kDifference_Mode:
return blink::WebBlendModeDifference;
case SkXfermode::kExclusion_Mode:
return blink::WebBlendModeExclusion;
case SkXfermode::kHue_Mode:
return blink::WebBlendModeHue;
case SkXfermode::kSaturation_Mode:
return blink::WebBlendModeSaturation;
case SkXfermode::kColor_Mode:
return blink::WebBlendModeColor;
case SkXfermode::kLuminosity_Mode:
return blink::WebBlendModeLuminosity;
// these value are SkXfermodes, but no blend modes.
case SkXfermode::kClear_Mode:
case SkXfermode::kSrc_Mode:
case SkXfermode::kDst_Mode:
case SkXfermode::kDstOver_Mode:
case SkXfermode::kSrcIn_Mode:
case SkXfermode::kDstIn_Mode:
case SkXfermode::kSrcOut_Mode:
case SkXfermode::kDstOut_Mode:
case SkXfermode::kSrcATop_Mode:
case SkXfermode::kDstATop_Mode:
case SkXfermode::kXor_Mode:
case SkXfermode::kPlus_Mode:
case SkXfermode::kModulate_Mode:
NOTREACHED();
}
return blink::WebBlendModeNormal;
}
} // namespace cc_blink
#endif // CC_BLINK_WEB_BLEND_MODE_H_
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