35 lines
1.4 KiB
C++
35 lines
1.4 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=06aeb3cf63ffccf7b49fe556e5def351
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REG_FIDDLE(Image_MakeBackendTextureFromSkImage, 256, 64, false, 0) {
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static sk_sp<SkImage> create_gpu_image(GrRecordingContext* rContext) {
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const SkImageInfo info = SkImageInfo::MakeN32(20, 20, kOpaque_SkAlphaType);
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auto surface(SkSurface::MakeRenderTarget(rContext, SkBudgeted::kNo, info));
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SkCanvas* canvas = surface->getCanvas();
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canvas->clear(SK_ColorWHITE);
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SkPaint paint;
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paint.setColor(SK_ColorBLACK);
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canvas->drawRect(SkRect::MakeXYWH(5, 5, 10, 10), paint);
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return surface->makeImageSnapshot();
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}
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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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sk_sp<SkImage> backEndImage = create_gpu_image(dContext);
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canvas->drawImage(backEndImage, 0, 0);
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GrBackendTexture texture;
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SkImage::BackendTextureReleaseProc proc;
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if (!SkImage::MakeBackendTextureFromSkImage(dContext, std::move(backEndImage),
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&texture, &proc)) {
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return;
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}
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sk_sp<SkImage> i2 = SkImage::MakeFromTexture(dContext, texture, kTopLeft_GrSurfaceOrigin,
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kN32_SkColorType, kOpaque_SkAlphaType, nullptr);
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canvas->drawImage(i2, 30, 30);
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}
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} // END FIDDLE
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