void GraphicsContext::fillRect(const FloatRect& rect, const Color& color, ColorSpace colorSpace)
{
if (paintingDisabled())
return;
SkRect r = rect;
if (!isRectSkiaSafe(getCTM(), r)) {
// Special case when the rectangle overflows fixed point. This is a
// workaround to fix bug 1212844. When the input rectangle is very
// large, it can overflow Skia's internal fixed point rect. This
// should be fixable in Skia (since the output bitmap isn't that
// large), but until that is fixed, we try to handle it ourselves.
//
// We manually clip the rectangle to the current clip rect. This
// will prevent overflow. The rectangle will be transformed to the
// canvas' coordinate space before it is converted to fixed point
// so we are guaranteed not to overflow after doing this.
ClipRectToCanvas(*platformContext()->canvas(), r, &r);
}
SkPaint paint;
platformContext()->setupPaintCommon(&paint);
paint.setColor(color.rgb());
platformContext()->canvas()->drawRect(r, paint);
}
void GraphicsContext::fillRect(const FloatRect& rect)
{
if (paintingDisabled())
return;
SkRect r = rect;
if (!isRectSkiaSafe(getCTM(), r)) {
// See the other version of fillRect below.
ClipRectToCanvas(*platformContext()->canvas(), r, &r);
}
if (platformContext()->useGPU() && !m_common->state.fillPattern && !m_common->state.fillGradient && !platformContext()->getDrawLooper()) {
platformContext()->prepareForHardwareDraw();
platformContext()->gpuCanvas()->fillRect(rect);
return;
}
platformContext()->save();
platformContext()->prepareForSoftwareDraw();
SkPaint paint;
platformContext()->setupPaintForFilling(&paint);
platformContext()->canvas()->drawRect(r, paint);
platformContext()->restore();
}
void GraphicsContext::clipOut(const IntRect& rect)
{
if (paintingDisabled())
return;
SkRect r(rect);
if (!isRectSkiaSafe(getCTM(), r))
return;
platformContext()->canvas()->clipRect(r, SkRegion::kDifference_Op);
}
void GraphicsContext::clip(const FloatRect& rect)
{
if (paintingDisabled())
return;
SkRect r(rect);
if (!isRectSkiaSafe(getCTM(), r))
return;
platformContext()->canvas()->clipRect(r);
}
// Draws a filled rectangle with a stroked border.
void GraphicsContext::drawRect(const IntRect& rect)
{
if (paintingDisabled())
return;
SkRect r = rect;
if (!isRectSkiaSafe(getCTM(), r)) {
// See the fillRect below.
ClipRectToCanvas(*platformContext()->canvas(), r, &r);
}
platformContext()->drawRect(r);
}
void GraphicsContext::clipOutEllipseInRect(const IntRect& rect)
{
if (paintingDisabled())
return;
SkRect oval(rect);
if (!isRectSkiaSafe(getCTM(), oval))
return;
SkPath path;
path.addOval(oval, SkPath::kCCW_Direction);
platformContext()->canvas()->clipPath(path, SkRegion::kDifference_Op);
}
void GraphicsContext::strokeRect(const FloatRect& rect, float lineWidth)
{
if (paintingDisabled())
return;
if (!isRectSkiaSafe(getCTM(), rect))
return;
SkPaint paint;
platformContext()->setupPaintForStroking(&paint, 0, 0);
paint.setStrokeWidth(WebCoreFloatToSkScalar(lineWidth));
platformContext()->canvas()->drawRect(rect, paint);
}
void GraphicsContext::clearRect(const FloatRect& rect)
{
if (paintingDisabled())
return;
SkRect r = rect;
if (!isRectSkiaSafe(getCTM(), r))
ClipRectToCanvas(*platformContext()->canvas(), r, &r);
SkPaint paint;
platformContext()->setupPaintForFilling(&paint);
paint.setXfermodeMode(SkXfermode::kClear_Mode);
platformContext()->canvas()->drawRect(r, paint);
}
void GraphicsContext::fillRect(const FloatRect& rect)
{
if (paintingDisabled())
return;
SkRect r = rect;
if (!isRectSkiaSafe(getCTM(), r)) {
// See the other version of fillRect below.
ClipRectToCanvas(*platformContext()->canvas(), r, &r);
}
SkPaint paint;
platformContext()->setupPaintForFilling(&paint);
platformContext()->canvas()->drawRect(r, paint);
}
void GraphicsContext::addInnerRoundedRectClip(const IntRect& rect, int thickness)
{
if (paintingDisabled())
return;
SkRect r(rect);
if (!isRectSkiaSafe(getCTM(), r))
return;
SkPath path;
path.addOval(r, SkPath::kCW_Direction);
// only perform the inset if we won't invert r
if (2 * thickness < rect.width() && 2 * thickness < rect.height()) {
r.inset(SkIntToScalar(thickness) ,SkIntToScalar(thickness));
path.addOval(r, SkPath::kCCW_Direction);
}
platformContext()->canvas()->clipPath(path);
}
// This method is only used to draw the little circles used in lists.
void GraphicsContext::drawEllipse(const IntRect& elipseRect)
{
if (paintingDisabled())
return;
SkRect rect = elipseRect;
if (!isRectSkiaSafe(getCTM(), rect))
return;
SkPaint paint;
platformContext()->setupPaintForFilling(&paint);
platformContext()->canvas()->drawOval(rect, paint);
if (strokeStyle() != NoStroke) {
paint.reset();
platformContext()->setupPaintForStroking(&paint, &rect, 0);
platformContext()->canvas()->drawOval(rect, paint);
}
}
void GraphicsContext::addInnerRoundedRectClip(const IntRect& rect, int thickness)
{
if (paintingDisabled())
return;
SkRect r(rect);
if (!isRectSkiaSafe(getCTM(), r))
return;
SkPath path;
path.addOval(r, SkPath::kCW_Direction);
// only perform the inset if we won't invert r
if (2 * thickness < rect.width() && 2 * thickness < rect.height()) {
// Adding one to the thickness doesn't make the border too thick as
// it's painted over afterwards. But without this adjustment the
// border appears a little anemic after anti-aliasing.
r.inset(SkIntToScalar(thickness + 1), SkIntToScalar(thickness + 1));
path.addOval(r, SkPath::kCCW_Direction);
}
platformContext()->clipPathAntiAliased(path);
}
void GraphicsContext::fillRoundedRect(const IntRect& rect,
const IntSize& topLeft,
const IntSize& topRight,
const IntSize& bottomLeft,
const IntSize& bottomRight,
const Color& color,
ColorSpace colorSpace)
{
if (paintingDisabled())
return;
platformContext()->prepareForSoftwareDraw();
SkRect r = rect;
if (!isRectSkiaSafe(getCTM(), r))
// See fillRect().
ClipRectToCanvas(*platformContext()->canvas(), r, &r);
if (topLeft.width() + topRight.width() > rect.width()
|| bottomLeft.width() + bottomRight.width() > rect.width()
|| topLeft.height() + bottomLeft.height() > rect.height()
|| topRight.height() + bottomRight.height() > rect.height()) {
// Not all the radii fit, return a rect. This matches the behavior of
// Path::createRoundedRectangle. Without this we attempt to draw a round
// shadow for a square box.
fillRect(rect, color, colorSpace);
return;
}
SkPath path;
addCornerArc(&path, r, topRight, 270);
addCornerArc(&path, r, bottomRight, 0);
addCornerArc(&path, r, bottomLeft, 90);
addCornerArc(&path, r, topLeft, 180);
SkPaint paint;
platformContext()->setupPaintForFilling(&paint);
platformContext()->canvas()->drawPath(path, paint);
}
void GraphicsContext::clearRect(const FloatRect& rect)
{
if (paintingDisabled())
return;
if (platformContext()->useGPU() && !platformContext()->canvasClipApplied()) {
platformContext()->prepareForHardwareDraw();
platformContext()->gpuCanvas()->clearRect(rect);
return;
}
// Force a readback here (if we're using the GPU), since clearRect() is
// incompatible with mixed-mode rendering.
platformContext()->syncSoftwareCanvas();
SkRect r = rect;
if (!isRectSkiaSafe(getCTM(), r))
ClipRectToCanvas(*platformContext()->canvas(), r, &r);
SkPaint paint;
platformContext()->setupPaintForFilling(&paint);
paint.setXfermodeMode(SkXfermode::kClear_Mode);
platformContext()->canvas()->drawRect(r, paint);
}