void CrossfadeGeneratedImage::draw(GraphicsContext* context, const FloatRect& dstRect, const FloatRect& srcRect, ColorSpace, CompositeOperator compositeOp, BlendMode blendMode, ImageOrientationDescription)
{
GraphicsContextStateSaver stateSaver(*context);
context->setCompositeOperation(compositeOp, blendMode);
context->clip(dstRect);
context->translate(dstRect.x(), dstRect.y());
if (dstRect.size() != srcRect.size())
context->scale(FloatSize(dstRect.width() / srcRect.width(), dstRect.height() / srcRect.height()));
context->translate(-srcRect.x(), -srcRect.y());
drawCrossfade(context);
}
void CrossfadeGeneratedImage::drawPattern(GraphicsContext* context, const FloatRect& srcRect, const AffineTransform& patternTransform, const FloatPoint& phase, ColorSpace styleColorSpace, CompositeOperator compositeOp, const FloatRect& dstRect, BlendMode blendMode)
{
std::unique_ptr<ImageBuffer> imageBuffer = ImageBuffer::create(size(), 1, ColorSpaceDeviceRGB, context->isAcceleratedContext() ? Accelerated : Unaccelerated);
if (!imageBuffer)
return;
// Fill with the cross-faded image.
GraphicsContext* graphicsContext = imageBuffer->context();
drawCrossfade(graphicsContext);
// Tile the image buffer into the context.
imageBuffer->drawPattern(context, srcRect, patternTransform, phase, styleColorSpace, compositeOp, dstRect, blendMode);
}
void CrossfadeGeneratedImage::drawTile(GraphicsContext& context,
const FloatRect& srcRect) {
// Draw nothing if either of the images hasn't loaded yet.
if (m_fromImage == Image::nullImage() || m_toImage == Image::nullImage())
return;
SkPaint paint = context.fillPaint();
paint.setBlendMode(SkBlendMode::kSrcOver);
paint.setAntiAlias(context.shouldAntialias());
FloatRect destRect((FloatPoint()), FloatSize(m_crossfadeSize));
paint.setFilterQuality(context.computeFilterQuality(this, destRect, srcRect));
drawCrossfade(context.canvas(), paint, ClampImageToSourceRect);
}
void CrossfadeGeneratedImage::drawPattern(GraphicsContext* context, const FloatRect& srcRect, const FloatSize& scale, const FloatPoint& phase, CompositeOperator compositeOp, const FloatRect& dstRect, blink::WebBlendMode blendMode, const IntSize& repeatSpacing)
{
OwnPtr<ImageBuffer> imageBuffer = context->createCompatibleBuffer(m_size);
if (!imageBuffer)
return;
// Fill with the cross-faded image.
GraphicsContext* graphicsContext = imageBuffer->context();
drawCrossfade(graphicsContext);
// Tile the image buffer into the context.
imageBuffer->drawPattern(context, srcRect, scale, phase, compositeOp, dstRect, blendMode, repeatSpacing);
}
void CrossfadeGeneratedImage::draw(SkCanvas* canvas, const SkPaint& paint, const FloatRect& dstRect, const FloatRect& srcRect, RespectImageOrientationEnum, ImageClampingMode clampMode)
{
// Draw nothing if either of the images hasn't loaded yet.
if (m_fromImage == Image::nullImage() || m_toImage == Image::nullImage())
return;
SkAutoCanvasRestore ar(canvas, true);
canvas->clipRect(dstRect);
canvas->translate(dstRect.x(), dstRect.y());
if (dstRect.size() != srcRect.size())
canvas->scale(dstRect.width() / srcRect.width(), dstRect.height() / srcRect.height());
canvas->translate(-srcRect.x(), -srcRect.y());
drawCrossfade(canvas, paint, clampMode);
canvas->restore();
}