void BitmapImage::draw(GraphicsContext* ctxt, const FloatRect& destRect, const FloatRect& srcRect, ColorSpace styleColorSpace, CompositeOperator compositeOp, BlendMode blendMode, ImageOrientationDescription description)
{
#if PLATFORM(IOS)
startAnimation(DoNotCatchUp);
#else
startAnimation();
#endif
RetainPtr<CGImageRef> image;
// Never use subsampled images for drawing into PDF contexts.
if (wkCGContextIsPDFContext(ctxt->platformContext()))
image = adoptCF(copyUnscaledFrameAtIndex(m_currentFrame));
else {
CGRect transformedDestinationRect = CGRectApplyAffineTransform(destRect, CGContextGetCTM(ctxt->platformContext()));
float subsamplingScale = std::min<float>(1, std::max(transformedDestinationRect.size.width / srcRect.width(), transformedDestinationRect.size.height / srcRect.height()));
image = frameAtIndex(m_currentFrame, subsamplingScale);
}
if (!image) // If it's too early we won't have an image yet.
return;
if (mayFillWithSolidColor()) {
fillWithSolidColor(ctxt, destRect, solidColor(), styleColorSpace, compositeOp);
return;
}
// Subsampling may have given us an image that is smaller than size().
IntSize imageSize(CGImageGetWidth(image.get()), CGImageGetHeight(image.get()));
// srcRect is in the coordinates of the unsubsampled image, so we have to map it to the subsampled image.
FloatRect scaledSrcRect = srcRect;
if (imageSize != m_size) {
FloatRect originalImageBounds(FloatPoint(), m_size);
FloatRect subsampledImageBounds(FloatPoint(), imageSize);
scaledSrcRect = mapRect(srcRect, originalImageBounds, subsampledImageBounds);
}
ImageOrientation orientation;
if (description.respectImageOrientation() == RespectImageOrientation)
orientation = frameOrientationAtIndex(m_currentFrame);
ctxt->drawNativeImage(image.get(), imageSize, styleColorSpace, destRect, scaledSrcRect, compositeOp, blendMode, orientation);
if (imageObserver())
imageObserver()->didDraw(this);
}
void BitmapImage::draw(GraphicsContext* ctxt, const FloatRect& destRect, const FloatRect& srcRect, ColorSpace styleColorSpace, CompositeOperator compositeOp, BlendMode blendMode, ImageOrientationDescription description)
{
CGImageRef image;
#if !PLATFORM(IOS)
startAnimation();
image = frameAtIndex(m_currentFrame);
#else
startAnimation(DoNotCatchUp);
CGRect transformedDestinationRect = CGRectApplyAffineTransform(destRect, CGContextGetCTM(ctxt->platformContext()));
RetainPtr<CGImageRef> imagePossiblyCopied;
// Never use subsampled images for drawing into PDF contexts.
if (CGContextGetType(ctxt->platformContext()) == kCGContextTypePDF)
imagePossiblyCopied = adoptCF(copyUnscaledFrameAtIndex(m_currentFrame));
else
imagePossiblyCopied = frameAtIndex(m_currentFrame, std::min<float>(1.0f, std::max(transformedDestinationRect.size.width / srcRect.width(), transformedDestinationRect.size.height / srcRect.height())));
image = imagePossiblyCopied.get();
#endif
if (!image) // If it's too early we won't have an image yet.
return;
if (mayFillWithSolidColor()) {
fillWithSolidColor(ctxt, destRect, solidColor(), styleColorSpace, compositeOp);
return;
}
float scale = 1;
#if PLATFORM(IOS)
scale = m_frames[m_currentFrame].m_scale;
#endif
FloatSize selfSize = currentFrameSize();
ImageOrientation orientation;
if (description.respectImageOrientation() == RespectImageOrientation)
orientation = frameOrientationAtIndex(m_currentFrame);
ctxt->drawNativeImage(image, selfSize, styleColorSpace, destRect, srcRect, scale, compositeOp, blendMode, orientation);
if (imageObserver())
imageObserver()->didDraw(this);
}
