| /* |
| * Copyright 2017 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "SkColorSpacePriv.h" |
| #include "SkColorSpaceXformSteps.h" |
| #include "SkPM4fPriv.h" |
| #include "SkRasterPipeline.h" |
| #include "SkReadBuffer.h" |
| #include "SkString.h" |
| #include "SkToSRGBColorFilter.h" |
| #include "SkWriteBuffer.h" |
| |
| #if SK_SUPPORT_GPU |
| #include "GrColorSpaceXform.h" |
| #endif |
| |
| void SkToSRGBColorFilter::onAppendStages(SkRasterPipeline* p, |
| SkColorSpace* /*dst color space*/, |
| SkArenaAlloc* alloc, |
| bool shaderIsOpaque) const { |
| alloc->make<SkColorSpaceXformSteps>(fSrcColorSpace.get(), kPremul_SkAlphaType, |
| sk_srgb_singleton()) |
| ->apply(p); |
| } |
| |
| sk_sp<SkColorFilter> SkToSRGBColorFilter::Make(sk_sp<SkColorSpace> srcColorSpace) { |
| if (!srcColorSpace || srcColorSpace->isSRGB()) { |
| return nullptr; |
| } else { |
| return sk_sp<SkColorFilter>(new SkToSRGBColorFilter(std::move(srcColorSpace))); |
| } |
| } |
| |
| SkToSRGBColorFilter::SkToSRGBColorFilter(sk_sp<SkColorSpace> srcColorSpace) |
| : fSrcColorSpace(std::move(srcColorSpace)) { |
| SkASSERT(fSrcColorSpace); |
| } |
| |
| sk_sp<SkFlattenable> SkToSRGBColorFilter::CreateProc(SkReadBuffer& buffer) { |
| auto data = buffer.readByteArrayAsData(); |
| return data ? Make(SkColorSpace::Deserialize(data->data(), data->size())) : nullptr; |
| } |
| |
| void SkToSRGBColorFilter::flatten(SkWriteBuffer& buffer) const { |
| buffer.writeDataAsByteArray(fSrcColorSpace->serialize().get()); |
| } |
| |
| #if SK_SUPPORT_GPU |
| std::unique_ptr<GrFragmentProcessor> SkToSRGBColorFilter::asFragmentProcessor( |
| GrContext*, const GrColorSpaceInfo&) const { |
| return GrColorSpaceXformEffect::Make(fSrcColorSpace.get(), sk_srgb_singleton()); |
| } |
| #endif |