void FloatRect::fitToPoints(const FloatPoint& p0, const FloatPoint& p1) {
float left = std::min(p0.x(), p1.x());
float top = std::min(p0.y(), p1.y());
float right = std::max(p0.x(), p1.x());
float bottom = std::max(p0.y(), p1.y());
setLocationAndSizeFromEdges(left, top, right, bottom);
}
void FloatRect::extend(const FloatPoint& p) {
float minX = std::min(x(), p.x());
float minY = std::min(y(), p.y());
float maxX = std::max(this->maxX(), p.x());
float maxY = std::max(this->maxY(), p.y());
setLocationAndSizeFromEdges(minX, minY, maxX, maxY);
}
void FloatRect::uniteEvenIfEmpty(const FloatRect& other) {
float minX = std::min(x(), other.x());
float minY = std::min(y(), other.y());
float maxX = std::max(this->maxX(), other.maxX());
float maxY = std::max(this->maxY(), other.maxY());
setLocationAndSizeFromEdges(minX, minY, maxX, maxY);
}
void FloatRect::fitToPoints(const FloatPoint& p0, const FloatPoint& p1, const FloatPoint& p2, const FloatPoint& p3)
{
float left = min4(p0.x(), p1.x(), p2.x(), p3.x());
float top = min4(p0.y(), p1.y(), p2.y(), p3.y());
float right = max4(p0.x(), p1.x(), p2.x(), p3.x());
float bottom = max4(p0.y(), p1.y(), p2.y(), p3.y());
setLocationAndSizeFromEdges(left, top, right, bottom);
}
void FloatRect::intersect(const FloatRect& other) {
float left = std::max(x(), other.x());
float top = std::max(y(), other.y());
float right = std::min(maxX(), other.maxX());
float bottom = std::min(maxY(), other.maxY());
// Return a clean empty rectangle for non-intersecting cases.
if (left >= right || top >= bottom) {
left = 0;
top = 0;
right = 0;
bottom = 0;
}
setLocationAndSizeFromEdges(left, top, right, bottom);
}
void FloatRect::intersect(const FloatRect& other)
{
float l = max(x(), other.x());
float t = max(y(), other.y());
float r = min(maxX(), other.maxX());
float b = min(maxY(), other.maxY());
// Return a clean empty rectangle for non-intersecting cases.
if (l >= r || t >= b) {
l = 0;
t = 0;
r = 0;
b = 0;
}
setLocationAndSizeFromEdges(l, t, r, b);
}
void FloatRect::unite(const FloatRect& other)
{
// Handle empty special cases first.
if (other.isEmpty())
return;
if (isEmpty()) {
*this = other;
return;
}
float l = min(x(), other.x());
float t = min(y(), other.y());
float r = max(maxX(), other.maxX());
float b = max(maxY(), other.maxY());
setLocationAndSizeFromEdges(l, t, r, b);
}
void FloatRect::uniteIfNonZero(const FloatRect& other)
{
// Handle empty special cases first.
if (!other.width() && !other.height())
return;
if (!width() && !height()) {
*this = other;
return;
}
float left = min(x(), other.x());
float top = min(y(), other.y());
float right = max(maxX(), other.maxX());
float bottom = max(maxY(), other.maxY());
setLocationAndSizeFromEdges(left, top, right, bottom);
}