| // 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=afc62f38aebc56af8e425297ec67dd37 |
| REG_FIDDLE(Image_isValid, 256, 256, false, 5) { |
| void draw(SkCanvas* canvas) { |
| auto dContext = GrAsDirectContext(canvas->recordingContext()); |
| if (!dContext) { |
| return; |
| } |
| |
| auto drawImage = [=](sk_sp<SkImage> image, const char* label) -> void { |
| if (nullptr == image) { |
| return; |
| } |
| SkFont font; |
| SkPaint paint; |
| paint.setAntiAlias(true); |
| canvas->drawImage(image, 0, 0); |
| canvas->drawString(label, image->width() / 2, image->height() / 4, font, paint); |
| if (dContext) { |
| const char* msg = image->isValid(dContext) ? "is valid on GPU" |
| : "not valid on GPU"; |
| canvas->drawString(msg, 20, image->height() * 5 / 8, font, paint); |
| } |
| |
| const char* msg = image->isValid(nullptr) ? "is valid on CPU" : "not valid on CPU"; |
| |
| canvas->drawString(msg, 20, image->height() * 7 / 8, 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, "image"); |
| canvas->translate(image->width(), 0); |
| drawImage(bitmapImage, "source"); |
| canvas->translate(-image->width(), image->height()); |
| drawImage(textureImage, "backEndTexture"); |
| } |
| } // END FIDDLE |