skia2/tools/viewer/ImageSlide.cpp

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/*
* 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 "ImageSlide.h"
#include "SkCanvas.h"
#include "SkData.h"
#include "SkImage.h"
ImageSlide::ImageSlide(const SkString& name, const SkString& path) : fPath(path) {
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) {
sk_sp<SkData> encoded = SkData::MakeFromFileName(fPath.c_str());
fImage = SkImage::MakeFromEncoded(encoded);
}
void ImageSlide::unload() {
fImage.reset(nullptr);
}