winamp/Src/Wasabi/bfc/wasabi_std_rect.cpp
2024-09-24 14:54:57 +02:00

78 lines
1.5 KiB
C++

#include "wasabi_std_rect.h"
#include <bfc/platform/minmax.h>
#include <bfc/std_mem.h>
bool Wasabi::Std::rectIntersect(const RECT &i1, const RECT &i2, RECT *intersection)
{
RECT out;
out.left = MAX(i1.left, i2.left);
out.right = MIN(i1.right, i2.right);
out.top = MAX(i1.top, i2.top);
out.bottom = MIN(i1.bottom, i2.bottom);
if (intersection != NULL) *intersection = out;
return (out.left < out.right && out.top < out.bottom);
}
bool Wasabi::Std::pointInRect(const RECT &r, const POINT &p)
{
if (p.x < r.left ||
p.x >= r.right ||
p.y < r.top ||
p.y >= r.bottom) return 0;
return true;
}
void Wasabi::Std::setRect(RECT *r, int left, int top, int right, int bottom)
{
r->left = left;
r->top = top;
r->right = right;
r->bottom = bottom;
}
RECT Wasabi::Std::makeRect(int left, int top, int right, int bottom)
{
RECT r;
r.left = left;
r.top = top;
r.right = right;
r.bottom = bottom;
return r;
}
POINT Wasabi::Std::makePoint(int x, int y)
{
POINT p = { x, y };
return p;
}
void Wasabi::Std::offsetRect(RECT *r, int x, int y)
{
r->left += x;
r->right += x;
r->top += y;
r->bottom += y;
}
bool Wasabi::Std::rectEqual(const RECT &a, const RECT &b)
{
return !MEMCMP(&a, &b, sizeof(RECT));
}
bool Wasabi::Std::rectEqual(const RECT *a, const RECT *b)
{
return !MEMCMP(a, b, sizeof(RECT));
}
void Wasabi::Std::scaleRect(RECT *r, double scale)
{
r->left =(long)(r->left * scale + 0.5);
r->right = (long)(r->right * scale + 0.5);
r->bottom = (long)(r->bottom * scale + 0.5);
r->top = (long)(r->top * scale + 0.5);
}