void BitmapImage::drawPattern(GraphicsContext& ctxt, const FloatRect& tileRect, const AffineTransform& transform,
const FloatPoint& phase, const FloatSize& spacing, CompositeOperator op, const FloatRect& destRect, BlendMode blendMode)
{
if (tileRect.isEmpty())
return;
if (!ctxt.drawLuminanceMask()) {
Image::drawPattern(ctxt, tileRect, transform, phase, spacing, op, destRect, blendMode);
return;
}
if (!m_cachedImage) {
auto buffer = ImageBuffer::createCompatibleBuffer(expandedIntSize(tileRect.size()), ctxt);
if (!buffer)
return;
ImageObserver* observer = imageObserver();
ASSERT(observer);
// Temporarily reset image observer, we don't want to receive any changeInRect() calls due to this relayout.
setImageObserver(nullptr);
draw(buffer->context(), tileRect, tileRect, op, blendMode, ImageOrientationDescription());
setImageObserver(observer);
buffer->convertToLuminanceMask();
m_cachedImage = buffer->copyImage(DontCopyBackingStore, Unscaled);
if (!m_cachedImage)
return;
}
ctxt.setDrawLuminanceMask(false);
m_cachedImage->drawPattern(ctxt, tileRect, transform, phase, spacing, op, destRect, blendMode);
}
void SVGImage::drawForContainer(GraphicsContext& context, const FloatSize containerSize, float zoom, const FloatRect& dstRect,
const FloatRect& srcRect, CompositeOperator compositeOp, BlendMode blendMode)
{
if (!m_page)
return;
ImageObserver* observer = imageObserver();
ASSERT(observer);
// Temporarily reset image observer, we don't want to receive any changeInRect() calls due to this relayout.
setImageObserver(nullptr);
IntSize roundedContainerSize = roundedIntSize(containerSize);
setContainerSize(roundedContainerSize);
FloatRect scaledSrc = srcRect;
scaledSrc.scale(1 / zoom);
// Compensate for the container size rounding by adjusting the source rect.
FloatSize adjustedSrcSize = scaledSrc.size();
adjustedSrcSize.scale(roundedContainerSize.width() / containerSize.width(), roundedContainerSize.height() / containerSize.height());
scaledSrc.setSize(adjustedSrcSize);
draw(context, dstRect, scaledSrc, compositeOp, blendMode, ImageOrientationDescription());
setImageObserver(observer);
}
void BitmapImage::updateSize() const
{
if (!m_sizeAvailable || m_haveSize)
return;
m_size = m_source.size();
m_sizeRespectingOrientation = m_source.size(ImageOrientationDescription(RespectImageOrientation));
m_haveSize = true;
didDecodeProperties();
}
// Passes ownership of the native image to the caller so NativeImagePtr needs
// to be a smart pointer type.
NativeImagePtr SVGImage::nativeImageForCurrentFrame()
{
if (!m_page)
return nullptr;
// Cairo does not use the accelerated drawing flag, so it's OK to make an unconditionally unaccelerated buffer.
std::unique_ptr<ImageBuffer> buffer = ImageBuffer::create(size(), Unaccelerated);
if (!buffer) // failed to allocate image
return nullptr;
draw(buffer->context(), rect(), rect(), CompositeSourceOver, BlendModeNormal, ImageOrientationDescription());
// FIXME: WK(Bug 113657): We should use DontCopyBackingStore here.
return buffer->copyImage(CopyBackingStore)->nativeImageForCurrentFrame();
}
DragImageRef DataTransfer::createDragImage(IntPoint& location) const
{
location = m_dragLocation;
if (m_dragImage)
return createDragImageFromImage(m_dragImage->image(), ImageOrientationDescription());
if (m_dragImageElement) {
if (Frame* frame = m_dragImageElement->document().frame())
return createDragImageForNode(*frame, *m_dragImageElement);
}
// We do not have enough information to create a drag image, use the default icon.
return nullptr;
}
void BitmapImage::updateSize(ImageOrientationDescription description) const
{
if (!m_sizeAvailable || m_haveSize)
return;
m_size = m_source.size(description);
m_sizeRespectingOrientation = m_source.size(ImageOrientationDescription(RespectImageOrientation, description.imageOrientation()));
m_imageOrientation = static_cast<unsigned>(description.imageOrientation());
m_shouldRespectImageOrientation = static_cast<unsigned>(description.respectImageOrientation());
m_haveSize = true;
determineMinimumSubsamplingLevel();
didDecodeProperties();
}
void Image::drawTiled(GraphicsContext* ctxt, const FloatRect& destRect, const FloatPoint& srcPoint, const FloatSize& scaledTileSize, ColorSpace styleColorSpace, CompositeOperator op, BlendMode blendMode)
{
if (mayFillWithSolidColor()) {
fillWithSolidColor(ctxt, destRect, solidColor(), styleColorSpace, op);
return;
}
ASSERT(!isBitmapImage() || notSolidColor());
FloatSize intrinsicTileSize = size();
if (hasRelativeWidth())
intrinsicTileSize.setWidth(scaledTileSize.width());
if (hasRelativeHeight())
intrinsicTileSize.setHeight(scaledTileSize.height());
FloatSize scale(scaledTileSize.width() / intrinsicTileSize.width(),
scaledTileSize.height() / intrinsicTileSize.height());
FloatRect oneTileRect;
FloatSize actualTileSize(scaledTileSize.width() + spaceSize().width(), scaledTileSize.height() + spaceSize().height());
oneTileRect.setX(destRect.x() + fmodf(fmodf(-srcPoint.x(), actualTileSize.width()) - actualTileSize.width(), actualTileSize.width()));
oneTileRect.setY(destRect.y() + fmodf(fmodf(-srcPoint.y(), actualTileSize.height()) - actualTileSize.height(), actualTileSize.height()));
oneTileRect.setSize(scaledTileSize);
// Check and see if a single draw of the image can cover the entire area we are supposed to tile.
if (oneTileRect.contains(destRect) && !ctxt->drawLuminanceMask()) {
FloatRect visibleSrcRect;
visibleSrcRect.setX((destRect.x() - oneTileRect.x()) / scale.width());
visibleSrcRect.setY((destRect.y() - oneTileRect.y()) / scale.height());
visibleSrcRect.setWidth(destRect.width() / scale.width());
visibleSrcRect.setHeight(destRect.height() / scale.height());
draw(ctxt, destRect, visibleSrcRect, styleColorSpace, op, blendMode, ImageOrientationDescription());
return;
}
AffineTransform patternTransform = AffineTransform().scaleNonUniform(scale.width(), scale.height());
FloatRect tileRect(FloatPoint(), intrinsicTileSize);
drawPattern(ctxt, tileRect, patternTransform, oneTileRect.location(), styleColorSpace, op, destRect, blendMode);
startAnimation();
}
void MediaPlayerPrivateGStreamerBase::paint(GraphicsContext* context, const IntRect& rect)
{
#if USE(ACCELERATED_COMPOSITING) && USE(TEXTURE_MAPPER_GL) && !USE(COORDINATED_GRAPHICS)
if (client())
return;
#endif
if (context->paintingDisabled())
return;
if (!m_player->visible())
return;
g_mutex_lock(m_bufferMutex);
if (!m_buffer) {
g_mutex_unlock(m_bufferMutex);
return;
}
#ifdef GST_API_VERSION_1
GRefPtr<GstCaps> caps = currentVideoSinkCaps();
#else
GRefPtr<GstCaps> caps = GST_BUFFER_CAPS(m_buffer);
#endif
if (!caps) {
g_mutex_unlock(m_bufferMutex);
return;
}
RefPtr<ImageGStreamer> gstImage = ImageGStreamer::createImage(m_buffer, caps.get());
if (!gstImage) {
g_mutex_unlock(m_bufferMutex);
return;
}
context->drawImage(reinterpret_cast<Image*>(gstImage->image().get()), ColorSpaceSRGB,
rect, gstImage->rect(), CompositeCopy, ImageOrientationDescription(), false);
g_mutex_unlock(m_bufferMutex);
}
NativeImagePtr SVGImage::nativeImage(const GraphicsContext* targetContext)
{
ASSERT(targetContext);
if (!m_page || !targetContext)
return nullptr;
auto platformContext = targetContext->platformContext();
ASSERT(platformContext);
// Draw the SVG into a bitmap.
COMPtr<ID2D1BitmapRenderTarget> nativeImageTarget;
HRESULT hr = platformContext->CreateCompatibleRenderTarget(IntSize(rect().size()), &nativeImageTarget);
ASSERT(SUCCEEDED(hr));
GraphicsContext localContext(nativeImageTarget.get());
draw(localContext, rect(), rect(), CompositeSourceOver, BlendModeNormal, ImageOrientationDescription());
COMPtr<ID2D1Bitmap> nativeImage;
hr = nativeImageTarget->GetBitmap(&nativeImage);
ASSERT(SUCCEEDED(hr));
return nativeImage;
}
void BitmapImage::draw(GraphicsContext* context, const FloatRect& dst, const FloatRect& src, ColorSpace styleColorSpace, CompositeOperator op, BlendMode blendMode)
{
draw(context, dst, src, styleColorSpace, op, blendMode, ImageOrientationDescription());
}
void BitmapTextureImageBuffer::updateContents(Image* image, const IntRect& targetRect, const IntPoint& offset, UpdateContentsFlag)
{
m_image->context()->drawImage(image, ColorSpaceDeviceRGB, targetRect, IntRect(offset, targetRect.size()), CompositeCopy, ImageOrientationDescription());
}
bool BitmapImage::getHBITMAPOfSize(HBITMAP bmp, const IntSize* size)
{
ASSERT(bmp);
BITMAP bmpInfo;
GetObject(bmp, sizeof(BITMAP), &bmpInfo);
ASSERT(bmpInfo.bmBitsPixel == 32);
int bufferSize = bmpInfo.bmWidthBytes * bmpInfo.bmHeight;
CGContextRef cgContext = CGBitmapContextCreate(bmpInfo.bmBits, bmpInfo.bmWidth, bmpInfo.bmHeight,
8, bmpInfo.bmWidthBytes, deviceRGBColorSpaceRef(), kCGBitmapByteOrder32Little | kCGImageAlphaPremultipliedFirst);
GraphicsContext gc(cgContext);
FloatSize imageSize = BitmapImage::size();
if (size)
drawFrameMatchingSourceSize(gc, FloatRect(0.0f, 0.0f, bmpInfo.bmWidth, bmpInfo.bmHeight), *size, ColorSpaceDeviceRGB, CompositeCopy);
else
draw(gc, FloatRect(0.0f, 0.0f, bmpInfo.bmWidth, bmpInfo.bmHeight), FloatRect(0.0f, 0.0f, imageSize.width(), imageSize.height()), ColorSpaceDeviceRGB, CompositeCopy, BlendModeNormal, ImageOrientationDescription());
// Do cleanup
CGContextRelease(cgContext);
return true;
}
// Passes ownership of the native image to the caller so PassNativeImagePtr needs
// to be a smart pointer type.
PassNativeImagePtr SVGImage::nativeImageForCurrentFrame()
{
if (!m_page)
return 0;
std::unique_ptr<ImageBuffer> buffer = ImageBuffer::create(size(), 1);
if (!buffer) // failed to allocate image
return 0;
draw(buffer->context(), rect(), rect(), ColorSpaceDeviceRGB, CompositeSourceOver, BlendModeNormal, ImageOrientationDescription());
// FIXME: WK(Bug 113657): We should use DontCopyBackingStore here.
return buffer->copyImage(CopyBackingStore)->nativeImageForCurrentFrame();
}
void Image::drawTiled(GraphicsContext& ctxt, const FloatRect& destRect, const FloatPoint& srcPoint, const FloatSize& scaledTileSize, const FloatSize& spacing, CompositeOperator op, BlendMode blendMode)
{
if (mayFillWithSolidColor()) {
fillWithSolidColor(ctxt, destRect, solidColor(), op);
return;
}
ASSERT(!isBitmapImage() || notSolidColor());
#if PLATFORM(IOS)
FloatSize intrinsicTileSize = originalSize();
#else
FloatSize intrinsicTileSize = size();
#endif
if (hasRelativeWidth())
intrinsicTileSize.setWidth(scaledTileSize.width());
if (hasRelativeHeight())
intrinsicTileSize.setHeight(scaledTileSize.height());
FloatSize scale(scaledTileSize.width() / intrinsicTileSize.width(),
scaledTileSize.height() / intrinsicTileSize.height());
FloatRect oneTileRect;
FloatSize actualTileSize(scaledTileSize.width() + spacing.width(), scaledTileSize.height() + spacing.height());
oneTileRect.setX(destRect.x() + fmodf(fmodf(-srcPoint.x(), actualTileSize.width()) - actualTileSize.width(), actualTileSize.width()));
oneTileRect.setY(destRect.y() + fmodf(fmodf(-srcPoint.y(), actualTileSize.height()) - actualTileSize.height(), actualTileSize.height()));
oneTileRect.setSize(scaledTileSize);
// Check and see if a single draw of the image can cover the entire area we are supposed to tile.
if (oneTileRect.contains(destRect) && !ctxt.drawLuminanceMask()) {
FloatRect visibleSrcRect;
visibleSrcRect.setX((destRect.x() - oneTileRect.x()) / scale.width());
visibleSrcRect.setY((destRect.y() - oneTileRect.y()) / scale.height());
visibleSrcRect.setWidth(destRect.width() / scale.width());
visibleSrcRect.setHeight(destRect.height() / scale.height());
draw(ctxt, destRect, visibleSrcRect, op, blendMode, ImageOrientationDescription());
return;
}
#if PLATFORM(IOS)
// When using accelerated drawing on iOS, it's faster to stretch an image than to tile it.
if (ctxt.isAcceleratedContext()) {
if (size().width() == 1 && intersection(oneTileRect, destRect).height() == destRect.height()) {
FloatRect visibleSrcRect;
visibleSrcRect.setX(0);
visibleSrcRect.setY((destRect.y() - oneTileRect.y()) / scale.height());
visibleSrcRect.setWidth(1);
visibleSrcRect.setHeight(destRect.height() / scale.height());
draw(ctxt, destRect, visibleSrcRect, op, BlendModeNormal, ImageOrientationDescription());
return;
}
if (size().height() == 1 && intersection(oneTileRect, destRect).width() == destRect.width()) {
FloatRect visibleSrcRect;
visibleSrcRect.setX((destRect.x() - oneTileRect.x()) / scale.width());
visibleSrcRect.setY(0);
visibleSrcRect.setWidth(destRect.width() / scale.width());
visibleSrcRect.setHeight(1);
draw(ctxt, destRect, visibleSrcRect, op, BlendModeNormal, ImageOrientationDescription());
return;
}
}
#endif
// Patterned images and gradients can use lots of memory for caching when the
// tile size is large (<rdar://problem/4691859>, <rdar://problem/6239505>).
// Memory consumption depends on the transformed tile size which can get
// larger than the original tile if user zooms in enough.
#if PLATFORM(IOS)
const float maxPatternTilePixels = 512 * 512;
#else
const float maxPatternTilePixels = 2048 * 2048;
#endif
FloatRect transformedTileSize = ctxt.getCTM().mapRect(FloatRect(FloatPoint(), scaledTileSize));
float transformedTileSizePixels = transformedTileSize.width() * transformedTileSize.height();
FloatRect currentTileRect = oneTileRect;
if (transformedTileSizePixels > maxPatternTilePixels) {
GraphicsContextStateSaver stateSaver(ctxt);
ctxt.clip(destRect);
currentTileRect.shiftYEdgeTo(destRect.y());
float toY = currentTileRect.y();
while (toY < destRect.maxY()) {
currentTileRect.shiftXEdgeTo(destRect.x());
float toX = currentTileRect.x();
while (toX < destRect.maxX()) {
FloatRect toRect(toX, toY, currentTileRect.width(), currentTileRect.height());
FloatRect fromRect(toFloatPoint(currentTileRect.location() - oneTileRect.location()), currentTileRect.size());
fromRect.scale(1 / scale.width(), 1 / scale.height());
draw(ctxt, toRect, fromRect, op, BlendModeNormal, ImageOrientationDescription());
toX += currentTileRect.width();
currentTileRect.shiftXEdgeTo(oneTileRect.x());
}
toY += currentTileRect.height();
currentTileRect.shiftYEdgeTo(oneTileRect.y());
}
return;
}
AffineTransform patternTransform = AffineTransform().scaleNonUniform(scale.width(), scale.height());
FloatRect tileRect(FloatPoint(), intrinsicTileSize);
drawPattern(ctxt, tileRect, patternTransform, oneTileRect.location(), spacing, op, destRect, blendMode);
#if PLATFORM(IOS)
startAnimation(DoNotCatchUp);
#else
startAnimation();
#endif
}
unsigned ImageSource::frameBytesAtIndex(size_t index, SubsamplingLevel subsamplingLevel) const
{
IntSize frameSize = frameSizeAtIndex(index, subsamplingLevel, ImageOrientationDescription(RespectImageOrientation));
return frameSize.width() * frameSize.height() * 4;
}
void BitmapImage::drawFrameMatchingSourceSize(GraphicsContext* ctxt, const FloatRect& dstRect, const IntSize& srcSize, ColorSpace styleColorSpace, CompositeOperator compositeOp)
{
size_t frames = frameCount();
for (size_t i = 0; i < frames; ++i) {
RefPtr<cairo_surface_t> surface = frameAtIndex(i);
if (!surface)
continue;
if (cairo_image_surface_get_height(surface.get()) == static_cast<size_t>(srcSize.height()) && cairo_image_surface_get_width(surface.get()) == static_cast<size_t>(srcSize.width())) {
size_t currentFrame = m_currentFrame;
m_currentFrame = i;
draw(ctxt, dstRect, FloatRect(0.0f, 0.0f, srcSize.width(), srcSize.height()), ColorSpaceDeviceRGB, compositeOp, BlendModeNormal, ImageOrientationDescription());
m_currentFrame = currentFrame;
return;
}
}
// No image of the correct size was found, fallback to drawing the current frame
IntSize imageSize = BitmapImage::size();
draw(ctxt, dstRect, FloatRect(0.0f, 0.0f, imageSize.width(), imageSize.height()), ColorSpaceDeviceRGB, compositeOp, BlendModeNormal, ImageOrientationDescription());
}
bool BitmapImage::getHBITMAPOfSize(HBITMAP bmp, const IntSize* size)
{
ASSERT(bmp);
BITMAP bmpInfo;
GetObject(bmp, sizeof(BITMAP), &bmpInfo);
// If this is a 32bpp bitmap, which it always should be, we'll clear it so alpha-wise it will be visible
if (bmpInfo.bmBitsPixel == 32 && bmpInfo.bmBits) {
int bufferSize = bmpInfo.bmWidthBytes * bmpInfo.bmHeight;
memset(bmpInfo.bmBits, 255, bufferSize);
}
unsigned char* bmpdata = (unsigned char*)bmpInfo.bmBits + bmpInfo.bmWidthBytes*(bmpInfo.bmHeight-1);
cairo_surface_t* image = cairo_image_surface_create_for_data(bmpdata, CAIRO_FORMAT_ARGB32, bmpInfo.bmWidth, bmpInfo.bmHeight, -bmpInfo.bmWidthBytes);
cairo_t* targetRef = cairo_create(image);
cairo_surface_destroy(image);
GraphicsContext gc(targetRef);
IntSize imageSize = BitmapImage::size();
if (size)
drawFrameMatchingSourceSize(&gc, FloatRect(0.0f, 0.0f, bmpInfo.bmWidth, bmpInfo.bmHeight), *size, ColorSpaceDeviceRGB, CompositeCopy);
else
draw(&gc, FloatRect(0.0f, 0.0f, bmpInfo.bmWidth, bmpInfo.bmHeight), FloatRect(0.0f, 0.0f, imageSize.width(), imageSize.height()), ColorSpaceDeviceRGB, CompositeCopy, BlendModeNormal, ImageOrientationDescription());
// Do cleanup
cairo_destroy(targetRef);
return true;
}
void BitmapImage::drawFrameMatchingSourceSize(GraphicsContext& ctxt, const FloatRect& dstRect, const IntSize& srcSize, CompositeOperator compositeOp)
{
size_t frames = frameCount();
for (size_t i = 0; i < frames; ++i) {
auto image = frameImageAtIndex(i).get();
auto imageSize = image->GetSize();
if (image && clampTo<size_t>(imageSize.height) == static_cast<size_t>(srcSize.height()) && clampTo<size_t>(imageSize.width) == static_cast<size_t>(srcSize.width())) {
size_t currentFrame = m_currentFrame;
m_currentFrame = i;
draw(ctxt, dstRect, FloatRect(0.0f, 0.0f, srcSize.width(), srcSize.height()), compositeOp, BlendModeNormal, ImageOrientationDescription());
m_currentFrame = currentFrame;
return;
}
}
// No image of the correct size was found, fallback to drawing the current frame
FloatSize imageSize = BitmapImage::size();
draw(ctxt, dstRect, FloatRect(0.0f, 0.0f, imageSize.width(), imageSize.height()), compositeOp, BlendModeNormal, ImageOrientationDescription());
}
