mirror of
https://github.com/moonlight-stream/moonlight-qt
synced 2024-11-10 21:54:17 +00:00
20 lines
515 B
C++
20 lines
515 B
C++
#include "streamutils.h"
|
|
|
|
void StreamUtils::scaleSourceToDestinationSurface(SDL_Rect* src, SDL_Rect* dst)
|
|
{
|
|
int dstH = dst->w * src->h / src->w;
|
|
int dstW = dst->h * src->w / src->h;
|
|
|
|
if (dstH > dst->h) {
|
|
dst->y = 0;
|
|
dst->x = (dst->w - dstW) / 2;
|
|
dst->w = dstW;
|
|
SDL_assert(dst->w * src->h / src->w <= dst->h);
|
|
}
|
|
else {
|
|
dst->x = 0;
|
|
dst->y = (dst->h - dstH) / 2;
|
|
dst->h = dstH;
|
|
SDL_assert(dst->h * src->w / src->h <= dst->w);
|
|
}
|
|
}
|