void Image::drawTiled(GraphicsContext& ctxt, const FloatRect& destRect, const FloatPoint& srcPoint, const FloatSize& scaledTileSize, SkXfermode::Mode op, const FloatSize& repeatSpacing)
{
FloatSize intrinsicTileSize = FloatSize(size());
if (hasRelativeSize()) {
intrinsicTileSize.setWidth(scaledTileSize.width());
intrinsicTileSize.setHeight(scaledTileSize.height());
}
FloatSize scale(scaledTileSize.width() / intrinsicTileSize.width(),
scaledTileSize.height() / intrinsicTileSize.height());
FloatSize actualTileSize(scaledTileSize.width() + repeatSpacing.width(), scaledTileSize.height() + repeatSpacing.height());
FloatRect oneTileRect;
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)) {
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());
ctxt.drawImage(this, destRect, visibleSrcRect, op, DoNotRespectImageOrientation);
return;
}
FloatRect tileRect(FloatPoint(), intrinsicTileSize);
drawPattern(ctxt, tileRect, scale, oneTileRect.location(), op, destRect, repeatSpacing);
startAnimation();
}
void Image::drawTiled(GraphicsContext& ctxt,
const FloatRect& destRect,
const FloatPoint& srcPoint,
const FloatSize& scaledTileSize,
SkBlendMode op,
const FloatSize& repeatSpacing) {
FloatSize intrinsicTileSize = FloatSize(size());
if (hasRelativeSize()) {
intrinsicTileSize.setWidth(scaledTileSize.width());
intrinsicTileSize.setHeight(scaledTileSize.height());
}
FloatSize scale(scaledTileSize.width() / intrinsicTileSize.width(),
scaledTileSize.height() / intrinsicTileSize.height());
const FloatRect oneTileRect = computeTileContaining(
destRect.location(), scaledTileSize, srcPoint, repeatSpacing);
// Check and see if a single draw of the image can cover the entire area we
// are supposed to tile.
if (oneTileRect.contains(destRect)) {
const FloatRect visibleSrcRect =
computeSubsetForTile(oneTileRect, destRect, intrinsicTileSize);
ctxt.drawImage(this, destRect, &visibleSrcRect, op,
DoNotRespectImageOrientation);
return;
}
FloatRect tileRect(FloatPoint(), intrinsicTileSize);
drawPattern(ctxt, tileRect, scale, oneTileRect.location(), op, destRect,
repeatSpacing);
startAnimation();
}
