/*
* FloatRoundedRect geometry for this test. Corner radii are in parens, x and y intercepts
* for the elliptical corners are noted. The rectangle itself is at 0,0 with width and height 100.
*
* (10, 15) x=10 x=90 (10, 20)
* (--+---------+--)
* y=15 +--| |-+ y=20
* | |
* | |
* y=85 + -| |- + y=70
* (--+---------+--)
* (25, 15) x=25 x=80 (20, 30)
*/
TEST(FloatRoundedRectTest, ellipticalCorners)
{
FloatSize cornerSize(10, 20);
FloatRoundedRect::Radii cornerRadii;
cornerRadii.setTopLeft(FloatSize(10, 15));
cornerRadii.setTopRight(FloatSize(10, 20));
cornerRadii.setBottomLeft(FloatSize(25, 15));
cornerRadii.setBottomRight(FloatSize(20, 30));
FloatRoundedRect r(FloatRect(0, 0, 100, 100), cornerRadii);
EXPECT_EQ(r.radii(), FloatRoundedRect::Radii(FloatSize(10, 15), FloatSize(10, 20), FloatSize(25, 15), FloatSize(20, 30)));
EXPECT_EQ(r, FloatRoundedRect(FloatRect(0, 0, 100, 100), cornerRadii));
EXPECT_EQ(FloatRect(0, 0, 10, 15), r.topLeftCorner());
EXPECT_EQ(FloatRect(90, 0, 10, 20), r.topRightCorner());
EXPECT_EQ(FloatRect(0, 85, 25, 15), r.bottomLeftCorner());
EXPECT_EQ(FloatRect(80, 70, 20, 30), r.bottomRightCorner());
TEST_INTERCEPTS(r, 5, 2.5464401, 96.61438);
TEST_INTERCEPTS(r, 15, 0, 99.682457);
TEST_INTERCEPTS(r, 20, 0, 100);
TEST_INTERCEPTS(r, 50, 0, 100);
TEST_INTERCEPTS(r, 70, 0, 100);
TEST_INTERCEPTS(r, 85, 0, 97.320511);
TEST_INTERCEPTS(r, 95, 6.3661003, 91.05542);
float minXIntercept;
float maxXIntercept;
EXPECT_FALSE(r.xInterceptsAtY(-1, minXIntercept, maxXIntercept));
EXPECT_FALSE(r.xInterceptsAtY(101, minXIntercept, maxXIntercept));
}
RoundedInnerRectClipper::RoundedInnerRectClipper(LayoutObject& layoutObject, const PaintInfo& paintInfo, const LayoutRect& rect, const FloatRoundedRect& clipRect, RoundedInnerRectClipperBehavior behavior)
: m_layoutObject(layoutObject)
, m_paintInfo(paintInfo)
, m_useDisplayItemList(RuntimeEnabledFeatures::slimmingPaintEnabled() && behavior == ApplyToDisplayListIfEnabled)
, m_clipType(m_useDisplayItemList ? m_paintInfo.displayItemTypeForClipping() : DisplayItem::ClipBoxPaintPhaseFirst)
{
Vector<FloatRoundedRect> roundedRectClips;
if (clipRect.isRenderable()) {
roundedRectClips.append(clipRect);
} else {
// We create a rounded rect for each of the corners and clip it, while making sure we clip opposing corners together.
if (!clipRect.radii().topLeft().isEmpty() || !clipRect.radii().bottomRight().isEmpty()) {
FloatRect topCorner(clipRect.rect().x(), clipRect.rect().y(), rect.maxX() - clipRect.rect().x(), rect.maxY() - clipRect.rect().y());
FloatRoundedRect::Radii topCornerRadii;
topCornerRadii.setTopLeft(clipRect.radii().topLeft());
roundedRectClips.append(FloatRoundedRect(topCorner, topCornerRadii));
FloatRect bottomCorner(rect.x().toFloat(), rect.y().toFloat(), clipRect.rect().maxX() - rect.x().toFloat(), clipRect.rect().maxY() - rect.y().toFloat());
FloatRoundedRect::Radii bottomCornerRadii;
bottomCornerRadii.setBottomRight(clipRect.radii().bottomRight());
roundedRectClips.append(FloatRoundedRect(bottomCorner, bottomCornerRadii));
}
if (!clipRect.radii().topRight().isEmpty() || !clipRect.radii().bottomLeft().isEmpty()) {
FloatRect topCorner(rect.x().toFloat(), clipRect.rect().y(), clipRect.rect().maxX() - rect.x().toFloat(), rect.maxY() - clipRect.rect().y());
FloatRoundedRect::Radii topCornerRadii;
topCornerRadii.setTopRight(clipRect.radii().topRight());
roundedRectClips.append(FloatRoundedRect(topCorner, topCornerRadii));
FloatRect bottomCorner(clipRect.rect().x(), rect.y().toFloat(), rect.maxX() - clipRect.rect().x(), clipRect.rect().maxY() - rect.y().toFloat());
FloatRoundedRect::Radii bottomCornerRadii;
bottomCornerRadii.setBottomLeft(clipRect.radii().bottomLeft());
roundedRectClips.append(FloatRoundedRect(bottomCorner, bottomCornerRadii));
}
}
if (m_useDisplayItemList) {
ASSERT(m_paintInfo.context->displayItemList());
if (m_paintInfo.context->displayItemList()->displayItemConstructionIsDisabled())
return;
m_paintInfo.context->displayItemList()->createAndAppend<ClipDisplayItem>(layoutObject, m_clipType, LayoutRect::infiniteIntRect(), roundedRectClips);
} else {
ClipDisplayItem clipDisplayItem(layoutObject, m_clipType, LayoutRect::infiniteIntRect(), roundedRectClips);
clipDisplayItem.replay(*paintInfo.context);
}
}