| /* |
| * Copyright 2017 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "src/pdf/SkKeyedImage.h" |
| |
| #include "src/image/SkImage_Base.h" |
| |
| SkBitmapKey SkBitmapKeyFromImage(const SkImage* image) { |
| if (!image) { |
| return {{0, 0, 0, 0}, 0}; |
| } |
| if (const SkBitmap* bm = as_IB(image)->onPeekBitmap()) { |
| SkIPoint o = bm->pixelRefOrigin(); |
| return {image->bounds().makeOffset(o), bm->getGenerationID()}; |
| } |
| return {image->bounds(), image->uniqueID()}; |
| } |
| |
| SkKeyedImage::SkKeyedImage(sk_sp<SkImage> i) : fImage(std::move(i)) { |
| fKey = SkBitmapKeyFromImage(fImage.get()); |
| } |
| |
| SkKeyedImage::SkKeyedImage(const SkBitmap& bm) : fImage(bm.asImage()) { |
| if (fImage) { |
| fKey = {bm.getSubset(), bm.getGenerationID()}; |
| } |
| } |
| |
| SkKeyedImage SkKeyedImage::subset(SkIRect subset) const { |
| SkKeyedImage img; |
| if (fImage && subset.intersect(fImage->bounds())) { |
| img.fImage = fImage->makeSubset(nullptr, subset); |
| if (img.fImage) { |
| img.fKey = {subset.makeOffset(fKey.fSubset.topLeft()), fKey.fID}; |
| } |
| } |
| return img; |
| } |
| |
| sk_sp<SkImage> SkKeyedImage::release() { |
| sk_sp<SkImage> image = std::move(fImage); |
| SkASSERT(nullptr == fImage); |
| fKey = {{0, 0, 0, 0}, 0}; |
| return image; |
| } |