void
nsSVGPathGeometryFrame::Render(nsSVGRenderState *aContext)
{
gfxContext *gfx = aContext->GetGfxContext();
PRUint16 renderMode = aContext->GetRenderMode();
switch (GetStyleSVG()->mShapeRendering) {
case NS_STYLE_SHAPE_RENDERING_OPTIMIZESPEED:
case NS_STYLE_SHAPE_RENDERING_CRISPEDGES:
gfx->SetAntialiasMode(gfxContext::MODE_ALIASED);
break;
default:
gfx->SetAntialiasMode(gfxContext::MODE_COVERAGE);
break;
}
/* save/restore the state so we don't screw up the xform */
gfx->Save();
GeneratePath(gfx);
if (renderMode != nsSVGRenderState::NORMAL) {
gfx->Restore();
if (GetClipRule() == NS_STYLE_FILL_RULE_EVENODD)
gfx->SetFillRule(gfxContext::FILL_RULE_EVEN_ODD);
else
gfx->SetFillRule(gfxContext::FILL_RULE_WINDING);
if (renderMode == nsSVGRenderState::CLIP_MASK) {
gfx->SetColor(gfxRGBA(1.0f, 1.0f, 1.0f, 1.0f));
gfx->Fill();
gfx->NewPath();
}
return;
}
if (SetupCairoFill(gfx)) {
gfx->Fill();
}
if (SetupCairoStroke(gfx)) {
gfx->Stroke();
}
gfx->NewPath();
gfx->Restore();
}
nsSVGPathGeometryFrame::GetFrameForPoint(const nsPoint &aPoint)
{
PRUint16 fillRule, hitTestFlags;
if (GetStateBits() & NS_STATE_SVG_CLIPPATH_CHILD) {
hitTestFlags = SVG_HIT_TEST_FILL;
fillRule = GetClipRule();
} else {
hitTestFlags = GetHitTestFlags();
// XXX once bug 614732 is fixed, aPoint won't need any conversion in order
// to compare it with mRect.
gfxMatrix canvasTM = GetCanvasTM();
if (canvasTM.IsSingular()) {
return nsnull;
}
nsPoint point =
nsSVGUtils::TransformOuterSVGPointToChildFrame(aPoint, canvasTM, PresContext());
if (!hitTestFlags || ((hitTestFlags & SVG_HIT_TEST_CHECK_MRECT) &&
!mRect.Contains(point)))
return nsnull;
fillRule = GetStyleSVG()->mFillRule;
}
bool isHit = false;
nsRefPtr<gfxContext> context =
new gfxContext(gfxPlatform::GetPlatform()->ScreenReferenceSurface());
GeneratePath(context);
gfxPoint userSpacePoint =
context->DeviceToUser(gfxPoint(PresContext()->AppUnitsToGfxUnits(aPoint.x),
PresContext()->AppUnitsToGfxUnits(aPoint.y)));
if (fillRule == NS_STYLE_FILL_RULE_EVENODD)
context->SetFillRule(gfxContext::FILL_RULE_EVEN_ODD);
else
context->SetFillRule(gfxContext::FILL_RULE_WINDING);
if (hitTestFlags & SVG_HIT_TEST_FILL)
isHit = context->PointInFill(userSpacePoint);
if (!isHit && (hitTestFlags & SVG_HIT_TEST_STROKE)) {
SetupCairoStrokeHitGeometry(context);
isHit = context->PointInStroke(userSpacePoint);
}
if (isHit && nsSVGUtils::HitTestClip(this, aPoint))
return this;
return nsnull;
}
nsSVGPathGeometryFrame::GetFrameForPoint(const nsPoint &aPoint)
{
PRUint16 fillRule, mask;
// check if we're a clipPath - cheaper than IsClipChild(), and we shouldn't
// get in here for other nondisplay children
if (GetStateBits() & NS_STATE_SVG_NONDISPLAY_CHILD) {
NS_ASSERTION(IsClipChild(), "should be in clipPath but we're not");
mask = HITTEST_MASK_FILL;
fillRule = GetClipRule();
} else {
mask = GetHittestMask();
if (!mask || (!(mask & HITTEST_MASK_FORCE_TEST) &&
!mRect.Contains(aPoint)))
return nsnull;
fillRule = GetStyleSVG()->mFillRule;
}
PRBool isHit = PR_FALSE;
gfxContext context(nsSVGUtils::GetThebesComputationalSurface());
GeneratePath(&context);
gfxPoint userSpacePoint =
context.DeviceToUser(gfxPoint(PresContext()->AppUnitsToGfxUnits(aPoint.x),
PresContext()->AppUnitsToGfxUnits(aPoint.y)));
if (fillRule == NS_STYLE_FILL_RULE_EVENODD)
context.SetFillRule(gfxContext::FILL_RULE_EVEN_ODD);
else
context.SetFillRule(gfxContext::FILL_RULE_WINDING);
if (mask & HITTEST_MASK_FILL)
isHit = context.PointInFill(userSpacePoint);
if (!isHit && (mask & HITTEST_MASK_STROKE)) {
SetupCairoStrokeHitGeometry(&context);
isHit = context.PointInStroke(userSpacePoint);
}
if (isHit && nsSVGUtils::HitTestClip(this, aPoint))
return this;
return nsnull;
}