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s34Rect.cpp
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s34Rect.cpp
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// Rect.cpp: implementation of the CS34Rect class.
//
//////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include "s34Rect.h"
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CS34Rect::CS34Rect(CS34Rect &rect)
{
left = rect.left;
top = rect.top;
right = rect.right;
bottom = rect.bottom;
}
BOOL CS34Rect::IntersectRect(CS34Rect &r1, CS34Rect &r2)
{
if (r1.left > r2.right)
{
SetRectEmpty();
return FALSE;
}
if (r1.right < r2.left)
{
SetRectEmpty();
return FALSE;
}
if (r1.top > r2.bottom)
{
SetRectEmpty();
return FALSE;
}
if (r1.bottom < r2.top)
{
SetRectEmpty();
return FALSE;
}
CS34Rect tmpRect = r1;
if (r2.top > r1.top)
tmpRect.top = r2.top;
if (r2.left > r1.left)
tmpRect.left = r2.left;
if (r2.right < r1.right)
tmpRect.right = r2.right;
if (r2.bottom < r1.bottom)
tmpRect.bottom = r2.bottom;
left = tmpRect.left;
top = tmpRect.top;
right = tmpRect.right;
bottom = tmpRect.bottom;
return TRUE;
}
void CS34Rect::OffsetRect(CS34Point &pt)
{
left += pt.x;
top += pt.y;
right += pt.x;
bottom += pt.y;
}
void CS34Rect::OffsetRect(int x, int y)
{
left += x; right += x; top += y; bottom += y;
}
void CS34Rect::InflateRect(CS34Point &pt)
{
left += pt.x; top += pt.y; right += pt.x; bottom += pt.y;
}
void CS34Rect::InflateRect(int x, int y)
{
left += x; right += x; top += y; bottom += y;
}
void CS34Rect::InflateRect(CS34Size size)
{
left += size.cx;
right += size.cx;
top += size.cy;
bottom += size.cy;
}
BOOL CS34Rect::IsPointInRect(CS34Point &pt)
{
if (pt.x < left)
return FALSE;
if (pt.x > right)
return FALSE;
if (pt.y < top)
return FALSE;
if (pt.y > bottom)
return FALSE;
return TRUE;
}
BOOL CS34Rect::IsPointInRect(int x, int y)
{
if (x < left)
return FALSE;
if (x > right)
return FALSE;
if (y < top)
return FALSE;
if (y > bottom)
return FALSE;
return TRUE;
}
void CS34Rect::UnionRect(CS34Rect &rect)
{
left = (left < rect.left) ? left : rect.left;
top = (top < rect.top) ? top : rect.top;
right = (right > rect.right) ? right : rect.right;
bottom = (bottom > rect.bottom) ? bottom : rect.bottom;
}
void CS34Rect::UnionRect(CS34Rect &rect1, CS34Rect &rect2)
{
left = (rect1.left < rect2.left) ? rect1.left : rect2.left;
top = (rect1.top < rect2.top) ? rect1.top : rect2.top;
right = (rect1.right > rect2.right) ? rect1.right : rect2.right;
bottom = (rect1.bottom > rect2.bottom) ? rect1.bottom : rect2.bottom;
}
void CS34Rect::operator=(const CS34Rect& srCS34Rect)
{
left = srCS34Rect.left;
top = srCS34Rect.top;
right = srCS34Rect.right;
bottom = srCS34Rect.bottom;
}
int CS34Rect::operator ==(const CS34Rect& srCS34Rect) const
{
return (left == srCS34Rect.left && top == srCS34Rect.top &&
right == srCS34Rect.right && bottom == srCS34Rect.bottom);
}
BOOL CS34Rect::EqualRect(const CS34Rect& srCS34Rect) const
{
if (left == srCS34Rect.left && top == srCS34Rect.top &&
right == srCS34Rect.right && bottom == srCS34Rect.bottom)
return TRUE;
else
return FALSE;
}