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- // Copyright 2019 Google LLC.
- // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
- #include "tools/fiddle/examples.h"
- // HASH=06aeb3cf63ffccf7b49fe556e5def351
- REG_FIDDLE(Image_MakeBackendTextureFromSkImage, 256, 64, false, 0) {
- static sk_sp<SkImage> create_gpu_image(GrContext* grContext) {
- const SkImageInfo info = SkImageInfo::MakeN32(20, 20, kOpaque_SkAlphaType);
- auto surface(SkSurface::MakeRenderTarget(grContext, SkBudgeted::kNo, info));
- SkCanvas* canvas = surface->getCanvas();
- canvas->clear(SK_ColorWHITE);
- SkPaint paint;
- paint.setColor(SK_ColorBLACK);
- canvas->drawRect(SkRect::MakeXYWH(5, 5, 10, 10), paint);
- return surface->makeImageSnapshot();
- }
- void draw(SkCanvas* canvas) {
- GrContext* grContext = canvas->getGrContext();
- if (!grContext) {
- return;
- }
- sk_sp<SkImage> backEndImage = create_gpu_image(grContext);
- canvas->drawImage(backEndImage, 0, 0);
- GrBackendTexture texture;
- SkImage::BackendTextureReleaseProc proc;
- if (!SkImage::MakeBackendTextureFromSkImage(grContext, std::move(backEndImage),
- &texture, &proc)) {
- return;
- }
- sk_sp<SkImage> i2 = SkImage::MakeFromTexture(grContext, texture, kTopLeft_GrSurfaceOrigin,
- kN32_SkColorType, kOpaque_SkAlphaType, nullptr);
- canvas->drawImage(i2, 30, 30);
- }
- } // END FIDDLE
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