| // 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=eeec9e07e604b44d0208899a2fe5bef5 |
| REG_FIDDLE(Image_TextureFromImage, 256, 256, false, 5) { |
| void draw(SkCanvas* canvas) { |
| auto dContext = GrAsDirectContext(canvas->recordingContext()); |
| if (!dContext) { |
| return; |
| } |
| |
| auto drawImage = [=](sk_sp<SkImage> image, |
| GrDirectContext* dContext, |
| const char* label) -> void { |
| if (nullptr == image || nullptr == dContext) { |
| return; |
| } |
| |
| SkFont font(nullptr, 12); |
| |
| SkPaint paint; |
| paint.setAntiAlias(true); |
| |
| sk_sp<SkImage> texture = SkImages::TextureFromImage(dContext, image); |
| canvas->drawImage(texture, 0, 0); |
| canvas->drawString(label, 20, texture->height() / 4, font, paint); |
| }; |
| sk_sp<SkImage> bitmapImage(source.asImage()); |
| |
| sk_sp<SkImage> textureImage(SkImages::BorrowTextureFrom(dContext, |
| backEndTexture, |
| kTopLeft_GrSurfaceOrigin, |
| kRGBA_8888_SkColorType, |
| kOpaque_SkAlphaType, |
| nullptr)); |
| drawImage(image, dContext, "image"); |
| canvas->translate(image->width(), 0); |
| drawImage(bitmapImage, dContext, "source"); |
| canvas->translate(-image->width(), image->height()); |
| drawImage(textureImage, dContext, "backEndTexture"); |
| } |
| } // END FIDDLE |