36 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			36 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C++
		
	
	
	
#if 0  // Disabled until updated to use current API.
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// Copyright 2019 Google LLC.
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// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
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#include "tools/fiddle/examples.h"
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// HASH=a8b8bd4bfe968e2c63085f867665227f
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REG_FIDDLE(Image_isLazyGenerated_a, 256, 80, false, 0) {
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class TestImageGenerator : public SkImageGenerator {
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public:
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    TestImageGenerator() : SkImageGenerator(SkImageInfo::MakeN32Premul(10, 10)) {}
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    ~TestImageGenerator() override {}
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protected:
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    bool onGetPixels(const SkImageInfo& info, void* pixelPtr, size_t rowBytes,
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                     const Options& options) override {
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        SkPMColor* pixels = static_cast<SkPMColor*>(pixelPtr);
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        for (int y = 0; y < info.height(); ++y) {
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            for (int x = 0; x < info.width(); ++x) {
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                pixels[y * info.width() + x] = 0xff223344 + y * 0x000C0811;
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            }
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        }
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        return true;
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    }
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};
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void draw(SkCanvas* canvas) {
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    auto gen = std::unique_ptr<TestImageGenerator>(new TestImageGenerator());
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    sk_sp<SkImage> image(SkImage::MakeFromGenerator(std::move(gen)));
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    SkString lazy(image->isLazyGenerated() ? "is lazy" : "not lazy");
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    canvas->scale(8, 8);
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    canvas->drawImage(image, 0, 0, nullptr);
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    SkPaint paint;
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    paint.setTextSize(4);
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    canvas->drawString(lazy, 2, 5, paint);
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}
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}  // END FIDDLE
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#endif  // Disabled until updated to use current API.
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