void drawrect(HDC hdc,int x1,int y1,int x2,int y2,int color1,int color2,int w,int rn)
{
HPEN newpen,oldpen;
HBRUSH oldbrush;
HGDIOBJ r;
unsigned r32;

oldbrush=(HBRUSH)SelectObject(hdc,GetStockObject(color1&0xFF000000?NULL_BRUSH:DC_BRUSH));
if(!oldbrush)log_err("ERROR in drawrect(): failed SelectObject(GetStockObject)\n");
r32=SetDCBrushColor(hdc,color1);
if(r32==CLR_INVALID)log_err("ERROR in drawrect(): failed SetDCBrushColor\n");

newpen=CreatePen(w?PS_SOLID:PS_NULL,w,color2);
if(!newpen)log_err("ERROR in drawrect(): failed CreatePen\n");
oldpen=(HPEN)SelectObject(hdc,newpen);
if(!oldpen)log_err("ERROR in drawrect(): failed SelectObject(newpen)\n");

if(rn)
RoundRect(hdc,x1,y1,x2,y2,rn,rn);
else
Rectangle(hdc,x1,y1,x2,y2);

r=SelectObject(hdc,oldpen);
if(!r)log_err("ERROR in drawrect(): failed SelectObject(oldpen)\n");
r=SelectObject(hdc,oldbrush);
if(!r)log_err("ERROR in drawrect(): failed SelectObject(oldbrush)\n");
r32=DeleteObject(newpen);
if(!r32)log_err("ERROR in drawrect(): failed SelectObject(newpen)\n");
}