SkBitmap NativeImageSkia::resizedBitmap(const SkISize& scaledImageSize, const SkIRect& scaledImageSubset) const
{
#if PLATFORM(CHROMIUM)
if (DeferredImageDecoder::isLazyDecoded(m_image))
return DeferredImageDecoder::createResizedLazyDecodingBitmap(m_image, scaledImageSize, scaledImageSubset);
#endif
if (!hasResizedBitmap(scaledImageSize, scaledImageSubset)) {
bool shouldCache = isDataComplete()
&& shouldCacheResampling(scaledImageSize, scaledImageSubset);
PlatformInstrumentation::willResizeImage(shouldCache);
SkBitmap resizedImage = skia::ImageOperations::Resize(m_image, skia::ImageOperations::RESIZE_LANCZOS3, scaledImageSize.width(), scaledImageSize.height(), scaledImageSubset);
resizedImage.setImmutable();
PlatformInstrumentation::didResizeImage();
if (!shouldCache)
return resizedImage;
m_resizedImage = resizedImage;
}
SkBitmap resizedSubset;
SkIRect resizedSubsetRect = m_cachedImageInfo.rectInSubset(scaledImageSubset);
m_resizedImage.extractSubset(&resizedSubset, resizedSubsetRect);
return resizedSubset;
}
SkBitmap NativeImageSkia::resizedBitmap(const SkISize& scaledImageSize, const SkIRect& scaledImageSubset) const
{
ASSERT(!DeferredImageDecoder::isLazyDecoded(bitmap()));
if (!hasResizedBitmap(scaledImageSize, scaledImageSubset)) {
bool shouldCache = isDataComplete()
&& shouldCacheResampling(scaledImageSize, scaledImageSubset);
SkBitmap resizedImage = skia::ImageOperations::Resize(bitmap(), skia::ImageOperations::RESIZE_LANCZOS3, scaledImageSize.width(), scaledImageSize.height(), scaledImageSubset);
resizedImage.setImmutable();
if (!shouldCache)
return resizedImage;
m_resizedImage = resizedImage;
}
SkBitmap resizedSubset;
SkIRect resizedSubsetRect = m_cachedImageInfo.rectInSubset(scaledImageSubset);
m_resizedImage.extractSubset(&resizedSubset, resizedSubsetRect);
return resizedSubset;
}
SkBitmap NativeImageSkia::resizedBitmap(const SkIRect& srcSubset,
int destWidth,
int destHeight,
const SkIRect& destVisibleSubset) const
{
if (!hasResizedBitmap(srcSubset, destWidth, destHeight)) {
bool shouldCache = m_isDataComplete
&& shouldCacheResampling(srcSubset, destWidth, destHeight, destVisibleSubset);
SkBitmap subset;
m_image.extractSubset(&subset, srcSubset);
if (!shouldCache) {
// Just resize the visible subset and return it.
SkBitmap resizedImage = skia::ImageOperations::Resize(subset, skia::ImageOperations::RESIZE_LANCZOS3, destWidth, destHeight, destVisibleSubset);
return resizedImage;
}
m_resizedImage = skia::ImageOperations::Resize(subset, skia::ImageOperations::RESIZE_LANCZOS3, destWidth, destHeight);
}
SkBitmap visibleBitmap;
m_resizedImage.extractSubset(&visibleBitmap, destVisibleSubset);
return visibleBitmap;
}
