void Path::addRoundedRect(const FloatRect& rect,
const FloatSize& roundingRadii) {
if (rect.isEmpty())
return;
FloatSize radius(roundingRadii);
FloatSize halfSize(rect.width() / 2, rect.height() / 2);
// Apply the SVG corner radius constraints, per the rect section of the SVG
// shapes spec: if one of rx,ry is negative, then the other corner radius
// value is used. If both values are negative then rx = ry = 0. If rx is
// greater than half of the width of the rectangle then set rx to half of the
// width; ry is handled similarly.
if (radius.width() < 0)
radius.setWidth((radius.height() < 0) ? 0 : radius.height());
if (radius.height() < 0)
radius.setHeight(radius.width());
if (radius.width() > halfSize.width())
radius.setWidth(halfSize.width());
if (radius.height() > halfSize.height())
radius.setHeight(halfSize.height());
addPathForRoundedRect(rect, radius, radius, radius, radius);
}
void Path::addRoundedRect(const FloatRect& rect,
const FloatSize& topLeftRadius,
const FloatSize& topRightRadius,
const FloatSize& bottomLeftRadius,
const FloatSize& bottomRightRadius) {
if (rect.isEmpty())
return;
if (rect.width() < topLeftRadius.width() + topRightRadius.width() ||
rect.width() < bottomLeftRadius.width() + bottomRightRadius.width() ||
rect.height() < topLeftRadius.height() + bottomLeftRadius.height() ||
rect.height() < topRightRadius.height() + bottomRightRadius.height()) {
// If all the radii cannot be accommodated, return a rect.
// FIXME: Is this an error scenario, given that it appears the code in
// FloatRoundedRect::constrainRadii() should be always called first? Should
// we assert that this code is not reached? This fallback is very bad, since
// it means that radii that are just barely too big due to rounding or
// snapping will get completely ignored.
addRect(rect);
return;
}
addPathForRoundedRect(rect, topLeftRadius, topRightRadius, bottomLeftRadius,
bottomRightRadius);
}
void Path::addRoundedRect(const FloatRect& rect, const FloatSize& topLeftRadius, const FloatSize& topRightRadius, const FloatSize& bottomLeftRadius, const FloatSize& bottomRightRadius)
{
if (rect.isEmpty())
return;
if (rect.width() < topLeftRadius.width() + topRightRadius.width()
|| rect.width() < bottomLeftRadius.width() + bottomRightRadius.width()
|| rect.height() < topLeftRadius.height() + bottomLeftRadius.height()
|| rect.height() < topRightRadius.height() + bottomRightRadius.height()) {
// If all the radii cannot be accommodated, return a rect.
addRect(rect);
return;
}
addPathForRoundedRect(rect, topLeftRadius, topRightRadius, bottomLeftRadius, bottomRightRadius);
}