static void RENDER_CallBack( GFX_CallBackFunctions_t function ) {
if (function == GFX_CallBackStop) {
RENDER_Halt( );
return;
} else if (function == GFX_CallBackRedraw) {
return;
} else if ( function == GFX_CallBackReset) {
GFX_EndUpdate( 0 );
RENDER_Reset();
} else {
E_Exit("Unhandled GFX_CallBackReset %d", function );
}
}
void RENDER_SetSize(Bitu width,Bitu height,Bitu bpp,float fps,double ratio,bool dblw,bool dblh) {
RENDER_Halt( );
if (!width || !height || width > SCALER_MAXWIDTH || height > SCALER_MAXHEIGHT) {
return;
}
if ( ratio > 1 ) {
double target = height * ratio + 0.025;
ratio = target / height;
} else {
//This would alter the width of the screen, we don't care about rounding errors here
}
render.src.width=width;
render.src.height=height;
render.src.bpp=bpp;
render.src.dblw=dblw;
render.src.dblh=dblh;
render.src.fps=fps;
render.src.ratio=ratio;
RENDER_Reset( );
}
void RENDER_SetSize(Bitu width,Bitu height,Bitu bpp,float fps,double scrn_ratio) {
RENDER_Halt( );
if (!width || !height || width > SCALER_MAXWIDTH || height > SCALER_MAXHEIGHT) {
return;
}
// figure out doublewidth/height values
bool dblw = false;
bool dblh = false;
double ratio = (((double)width)/((double)height))/scrn_ratio;
if(ratio > 1.6) {
dblh=true;
ratio /= 2.0;
} else if(ratio < 0.75) {
dblw=true;
ratio *= 2.0;
} else if(!dblw && !dblh && (width < 370) && (height < 280)) {
dblw=true; dblh=true;
}
//LOG_MSG("pixratio %1.3f, dw %s, dh %s",ratio,dblw?"true":"false",dblh?"true":"false");
if ( ratio > 1.0 ) {
double target = height * ratio + 0.1;
ratio = target / height;
} else {
//This would alter the width of the screen, we don't care about rounding errors here
}
render.src.width=width;
render.src.height=height;
render.src.bpp=bpp;
render.src.dblw=dblw;
render.src.dblh=dblh;
render.src.fps=fps;
render.src.ratio=ratio;
render.src.scrn_ratio=scrn_ratio;
RENDER_Reset( );
}
