36 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			36 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C++
		
	
	
	
// 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=9cf5c62a3d2243e6577ae563f360ea9d
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REG_FIDDLE(Image_isTextureBacked, 256, 256, false, 5) {
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void draw(SkCanvas* canvas) {
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    auto dContext = GrAsDirectContext(canvas->recordingContext());
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    if (!dContext) {
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        return;
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    }
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    auto drawImage = [=](sk_sp<SkImage> image, const char* label) -> void {
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        if (nullptr == image) {
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            return;
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        }
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        SkPaint paint;
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        paint.setAntiAlias(true);
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        SkFont font;
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        canvas->drawImage(image, 0, 0);
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        canvas->drawString(label, 30, image->height() / 4, font, paint);
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        canvas->drawString(image->isTextureBacked() ? "is GPU texture" : "not GPU texture",
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                           20, image->height() * 3 / 4, font, paint);
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    };
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    sk_sp<SkImage> bitmapImage(source.asImage());
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    sk_sp<SkImage> textureImage(SkImage::MakeFromTexture(dContext, backEndTexture,
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                                                         kTopLeft_GrSurfaceOrigin,
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                                                         kRGBA_8888_SkColorType,
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                                                         kOpaque_SkAlphaType, nullptr));
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    drawImage(image, "image");
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    canvas->translate(image->width(), 0);
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    drawImage(bitmapImage, "source");
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    canvas->translate(-image->width(), image->height());
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    drawImage(textureImage, "backEndTexture");
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}
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}  // END FIDDLE
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