| /* |
| * Copyright 2016 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef SkBlendModePriv_DEFINED |
| #define SkBlendModePriv_DEFINED |
| |
| #include "include/core/SkBlendMode.h" |
| #include "include/core/SkColor.h" |
| #include "include/private/SkColorData.h" |
| |
| class SkRasterPipeline; |
| |
| bool SkBlendMode_SupportsCoverageAsAlpha(SkBlendMode); |
| |
| static inline bool SkBlendMode_CaresAboutRBOrder(SkBlendMode mode) { |
| return (mode > SkBlendMode::kLastSeparableMode); |
| } |
| |
| bool SkBlendMode_ShouldPreScaleCoverage(SkBlendMode, bool rgb_coverage); |
| void SkBlendMode_AppendStages(SkBlendMode, SkRasterPipeline*); |
| |
| enum class SkBlendModeCoeff { |
| kZero, /** 0 */ |
| kOne, /** 1 */ |
| kSC, /** src color */ |
| kISC, /** inverse src color (i.e. 1 - sc) */ |
| kDC, /** dst color */ |
| kIDC, /** inverse dst color (i.e. 1 - dc) */ |
| kSA, /** src alpha */ |
| kISA, /** inverse src alpha (i.e. 1 - sa) */ |
| kDA, /** dst alpha */ |
| kIDA, /** inverse dst alpha (i.e. 1 - da) */ |
| |
| kCoeffCount |
| }; |
| |
| bool SkBlendMode_AsCoeff(SkBlendMode mode, SkBlendModeCoeff* src, SkBlendModeCoeff* dst); |
| |
| SkPMColor4f SkBlendMode_Apply(SkBlendMode, const SkPMColor4f& src, const SkPMColor4f& dst); |
| |
| #if SK_SUPPORT_GPU |
| #include "src/gpu/GrXferProcessor.h" |
| const GrXPFactory* SkBlendMode_AsXPFactory(SkBlendMode); |
| #endif |
| |
| #endif |