49 lines
1.4 KiB
C++
49 lines
1.4 KiB
C++
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/*
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* Copyright 2017 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "gm.h"
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#include "SkColorSpaceXformImageGenerator.h"
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class ColorXformImageGenGM : public skiagm::GM {
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public:
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ColorXformImageGenGM() {}
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protected:
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SkString onShortName() override {
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return SkString("color_xform_image_gen");
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}
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SkISize onISize() override {
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return SkISize::Make(100, 100);
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}
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void onDraw(SkCanvas* canvas) override {
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SkBitmap bitmap;
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SkImageInfo info =
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SkImageInfo::MakeN32(100, 100, kOpaque_SkAlphaType, SkColorSpace::MakeSRGB());
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bitmap.allocPixels(info);
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bitmap.eraseColor(SK_ColorRED);
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bitmap.eraseArea(SkIRect::MakeWH(25, 25), SK_ColorBLUE); // We should not see any blue.
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std::unique_ptr<SkImageGenerator> gen = SkColorSpaceXformImageGenerator::Make(
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bitmap,
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SkColorSpace::MakeRGB(SkColorSpace::kSRGB_RenderTargetGamma,
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SkColorSpace::kRec2020_Gamut),
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kNever_SkCopyPixelsMode);
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SkIRect subset = SkIRect::MakeXYWH(25, 25, 50, 50);
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sk_sp<SkImage> image = SkImage::MakeFromGenerator(std::move(gen), &subset);
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canvas->drawImage(image, 25, 25);
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}
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private:
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typedef GM INHERITED;
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};
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DEF_GM( return new ColorXformImageGenGM(); )
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