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SDLGLFB: Implement mouse coordinate scaling for the menus.

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svdijk 2017-05-13 23:39:54 +02:00 • committed by alexey.lysiuk
commit b6ef9fae3e
5 changed files with 65 additions and 25 deletions
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26
src/v_video.cpp
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@ -1747,6 +1747,32 @@ bool AspectTallerThanWide(float aspect)
return aspect < 1.333f;
}
void ScaleWithAspect (int &w, int &h, int Width, int Height)
{
int resRatio = CheckRatio (Width, Height);
int screenRatio;
CheckRatio (w, h, &screenRatio);
if (resRatio == screenRatio)
return;
double yratio;
switch(resRatio)
{
case 0: yratio = 4./3.; break;
case 1: yratio = 16./9.; break;
case 2: yratio = 16./10.; break;
case 3: yratio = 17./10.; break;
case 4: yratio = 5./4.; break;
case 6: yratio = 21./9.; break;
default: return;
}
double y = w/yratio;
if (y > h)
w = h*yratio;
else
h = y;
}
void IVideo::DumpAdapters ()
{
Printf("Multi-monitor support unavailable.\n");