nscoord
nsFloatManager::FloatInfo::LineRight(WritingMode aWM,
ShapeType aShapeType,
const nscoord aBStart,
const nscoord aBEnd) const
{
if (aShapeType == ShapeType::Margin) {
return LineRight();
}
MOZ_ASSERT(aShapeType == ShapeType::ShapeOutside);
const StyleShapeOutside& shapeOutside = mFrame->StyleDisplay()->mShapeOutside;
if (shapeOutside.GetType() == StyleShapeSourceType::None) {
return LineRight();
}
if (shapeOutside.GetType() == StyleShapeSourceType::Box) {
nscoord radii[8];
bool hasRadii = mFrame->GetShapeBoxBorderRadii(radii);
if (!hasRadii) {
return ShapeBoxRect().XMost();
}
// Get the physical side for line-right since border-radii are in
// the physical axis.
mozilla::Side lineRightSide =
aWM.PhysicalSide(aWM.LogicalSideForLineRelativeDir(eLineRelativeDirRight));
nscoord blockStartCornerRadiusL =
radii[SideToHalfCorner(lineRightSide, false, false)];
nscoord blockStartCornerRadiusB =
radii[SideToHalfCorner(lineRightSide, false, true)];
nscoord blockEndCornerRadiusL =
radii[SideToHalfCorner(lineRightSide, true, false)];
nscoord blockEndCornerRadiusB =
radii[SideToHalfCorner(lineRightSide, true, true)];
if (aWM.IsLineInverted()) {
// This happens only when aWM is vertical-lr. Need to swap blockStart
// and blockEnd corners.
std::swap(blockStartCornerRadiusL, blockEndCornerRadiusL);
std::swap(blockStartCornerRadiusB, blockEndCornerRadiusB);
}
nscoord lineRightDiff =
ComputeEllipseLineInterceptDiff(
ShapeBoxRect().y, ShapeBoxRect().YMost(),
blockStartCornerRadiusL, blockStartCornerRadiusB,
blockEndCornerRadiusL, blockEndCornerRadiusB,
aBStart, aBEnd);
return ShapeBoxRect().XMost() - lineRightDiff;
}
// XXX: Other shape source types are not implemented yet.
return LineRight();
}
nsRect
nsFieldSetFrame::VisualBorderRectRelativeToSelf() const
{
WritingMode wm = GetWritingMode();
css::Side legendSide = wm.PhysicalSide(eLogicalSideBStart);
nscoord legendBorder = StyleBorder()->GetComputedBorderWidth(legendSide);
LogicalRect r(wm, LogicalPoint(wm, 0, 0), GetLogicalSize(wm));
nsSize containerSize = r.Size(wm).GetPhysicalSize(wm);
if (legendBorder < mLegendRect.BSize(wm)) {
nscoord off = (mLegendRect.BSize(wm) - legendBorder) / 2;
r.BStart(wm) += off;
r.BSize(wm) -= off;
}
return r.GetPhysicalRect(wm, containerSize);
}
DrawResult
nsFieldSetFrame::PaintBorderBackground(
nsDisplayListBuilder* aBuilder,
nsRenderingContext& aRenderingContext,
nsPoint aPt,
const nsRect& aDirtyRect)
{
// if the border is smaller than the legend. Move the border down
// to be centered on the legend.
// FIXME: This means border-radius clamping is incorrect; we should
// override nsIFrame::GetBorderRadii.
WritingMode wm = GetWritingMode();
nsRect rect = VisualBorderRectRelativeToSelf();
nscoord off = wm.IsVertical() ? rect.x : rect.y;
rect += aPt;
nsPresContext* presContext = PresContext();
uint32_t bgFlags = aBuilder->GetBackgroundPaintFlags();
PaintBorderFlags borderFlags = aBuilder->ShouldSyncDecodeImages()
? PaintBorderFlags::SYNC_DECODE_IMAGES
: PaintBorderFlags();
DrawResult result =
nsCSSRendering::PaintBackground(presContext, aRenderingContext, this,
aDirtyRect, rect, bgFlags);
nsCSSRendering::PaintBoxShadowInner(presContext, aRenderingContext,
this, rect, aDirtyRect);
if (nsIFrame* legend = GetLegend()) {
css::Side legendSide = wm.PhysicalSide(eLogicalSideBStart);
nscoord legendBorderWidth =
StyleBorder()->GetComputedBorderWidth(legendSide);
// Use the rect of the legend frame, not mLegendRect, so we draw our
// border under the legend's inline-start and -end margins.
LogicalRect legendRect(wm, legend->GetRect() + aPt, rect.Size());
// Compute clipRect using logical coordinates, so that the legend space
// will be clipped out of the appropriate physical side depending on mode.
LogicalRect clipRect = LogicalRect(wm, rect, rect.Size());
DrawTarget* drawTarget = aRenderingContext.GetDrawTarget();
gfxContext* gfx = aRenderingContext.ThebesContext();
int32_t appUnitsPerDevPixel = presContext->AppUnitsPerDevPixel();
// draw inline-start portion of the block-start side of the border
clipRect.ISize(wm) = legendRect.IStart(wm) - clipRect.IStart(wm);
clipRect.BSize(wm) = legendBorderWidth;
gfx->Save();
gfx->Clip(NSRectToSnappedRect(clipRect.GetPhysicalRect(wm, rect.Size()),
appUnitsPerDevPixel, *drawTarget));
result &=
nsCSSRendering::PaintBorder(presContext, aRenderingContext, this,
aDirtyRect, rect, mStyleContext, borderFlags);
gfx->Restore();
// draw inline-end portion of the block-start side of the border
clipRect = LogicalRect(wm, rect, rect.Size());
clipRect.ISize(wm) = clipRect.IEnd(wm) - legendRect.IEnd(wm);
clipRect.IStart(wm) = legendRect.IEnd(wm);
clipRect.BSize(wm) = legendBorderWidth;
gfx->Save();
gfx->Clip(NSRectToSnappedRect(clipRect.GetPhysicalRect(wm, rect.Size()),
appUnitsPerDevPixel, *drawTarget));
result &=
nsCSSRendering::PaintBorder(presContext, aRenderingContext, this,
aDirtyRect, rect, mStyleContext, borderFlags);
gfx->Restore();
// draw remainder of the border (omitting the block-start side)
clipRect = LogicalRect(wm, rect, rect.Size());
clipRect.BStart(wm) += legendBorderWidth;
clipRect.BSize(wm) = BSize(wm) - (off + legendBorderWidth);
gfx->Save();
gfx->Clip(NSRectToSnappedRect(clipRect.GetPhysicalRect(wm, rect.Size()),
appUnitsPerDevPixel, *drawTarget));
result &=
nsCSSRendering::PaintBorder(presContext, aRenderingContext, this,
aDirtyRect, rect, mStyleContext, borderFlags);
gfx->Restore();
} else {
result &=
nsCSSRendering::PaintBorder(presContext, aRenderingContext, this,
aDirtyRect, nsRect(aPt, mRect.Size()),
mStyleContext, borderFlags);
}
return result;
}
