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#include "URect.h"
/*static*/ void URect::SetEmpty(RECT& outRect) {
::SetRect(&outRect, 0, 0, 0, 0);
}
/*static*/ void URect::Center(const RECT& inRect, RECT& ioRect, BOOL inFlag) {
#pragma var_order(yOffset, xRatio, xOffset, ratio, width1, height1, yRatio, width2, height2)
int width1 = Width(inRect);
int height1 = Height(inRect);
int width2 = Width(ioRect);
int height2 = Height(ioRect);
int xRatio, yRatio, ratio;
if (inFlag) {
xRatio = width1 / width2;
yRatio = height1 / height2;
ratio = (xRatio > yRatio) ? yRatio : xRatio;
width2 *= ratio;
height2 *= ratio;
}
int xOffset = inRect.left + ((width1 - width2) / 2);
int yOffset = inRect.top + ((height1 - height2) / 2);
ioRect.left = xOffset;
ioRect.top = yOffset;
ioRect.right = ioRect.left + width2;
ioRect.bottom = ioRect.top + height2;
}
inline /*static*/ int URect::Width(const RECT& inRect) {
return inRect.right - inRect.left;
}
inline /*static*/ int URect::Height(const RECT& inRect) {
return inRect.bottom - inRect.top;
}
inline /*static*/ void URect::Union(const RECT& inRect1, const RECT& inRect2, RECT& outRect) {
if (::IsRectEmpty(&inRect1)) {
outRect = inRect2;
} else if (::IsRectEmpty(&inRect2)) {
outRect = inRect1;
} else {
CRect result;
result.IntersectRect(&inRect1, &inRect2);
::SetRect(&outRect, result.left, result.top, result.right, result.bottom);
}
}
inline /*static*/ POINT URect::Center(const RECT& inRect) {
POINT pt;
pt.x = (inRect.left + inRect.right) / 2;
pt.y = (inRect.top + inRect.bottom) / 2;
return pt;
}
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