| /* |
| * Copyright 2016 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "tools/viewer/ImageSlide.h" |
| |
| #include "include/core/SkCanvas.h" |
| #include "include/core/SkData.h" |
| #include "include/core/SkImage.h" |
| #include "include/private/base/SkAssert.h" |
| |
| #include <utility> |
| |
| ImageSlide::ImageSlide(const SkString& name, const SkString& path) : fPath(path) { |
| fName = name; |
| } |
| |
| ImageSlide::ImageSlide(const SkString& name, sk_sp<SkImage> image) |
| : fImage(std::move(image)), fRetainImage(true) { |
| fName = name; |
| } |
| |
| SkISize ImageSlide::getDimensions() const { |
| return fImage ? fImage->dimensions() : SkISize::Make(0, 0); |
| } |
| |
| void ImageSlide::draw(SkCanvas* canvas) { |
| SkASSERT(fImage); |
| canvas->drawImage(fImage, 0, 0); |
| } |
| |
| void ImageSlide::load(SkScalar, SkScalar) { |
| if (fRetainImage) { |
| SkASSERT(fImage); |
| } else { |
| sk_sp<SkData> encoded = SkData::MakeFromFileName(fPath.c_str()); |
| fImage = SkImages::DeferredFromEncodedData(encoded); |
| } |
| } |
| |
| void ImageSlide::unload() { |
| if (!fRetainImage) { |
| fImage.reset(nullptr); |
| } |
| } |