mirror of
https://github.com/vcmi/vcmi.git
synced 2025-07-05 00:49:09 +02:00
47 lines
843 B
C++
47 lines
843 B
C++
#include "StdInc.h"
|
|
#include "Basic.h"
|
|
|
|
namespace Gfx
|
|
{
|
|
|
|
void Rect::addOffs_copySize(const Rect & r)
|
|
{
|
|
x += r.x;
|
|
y += r.y;
|
|
w = r.w;
|
|
h = r.h;
|
|
}
|
|
|
|
|
|
Rect Rect::operator&(const Rect &p) const //rect intersection
|
|
{
|
|
bool intersect = true;
|
|
|
|
if (
|
|
leftX() > p.rightX() //rect p is on the left hand side of this
|
|
|| rightX() < p.leftX() //rect p is on the right hand side of this
|
|
|| topY() > p.bottomY() //rect p is above *this
|
|
|| bottomY() < p.topY() //rect p is below *this
|
|
)
|
|
{
|
|
return Rect();
|
|
}
|
|
else
|
|
{
|
|
Rect ret;
|
|
ret.x = std::max(this->x, p.x);
|
|
ret.y = std::max(this->y, p.y);
|
|
|
|
//bottomRight point of returned rect
|
|
Point bR(
|
|
std::min(rightX(), p.rightX()),
|
|
std::min(bottomY(), p.bottomY())
|
|
);
|
|
ret.w = bR.x - ret.x;
|
|
ret.h = bR.y - ret.y;
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
}
|