+ if (request.align == ALIGN_LEFT)
+ sx = sx_base;
+ else if (request.align == ALIGN_RIGHT)
+ sx = sx_base - width;
+ else
+ sx = sx_base - width / 2;
+
+ if (request.valign == VALIGN_TOP)
+ sy = sy_base;
+ else if (request.valign == VALIGN_BOTTOM)
+ sy = sy_base - height;
+ else
+ sy = sy_base - height / 2;
+
+ sx = MAX(0, MIN(sx, WIN_XSIZE - width));
+ sy = MAX(0, MIN(sy, WIN_YSIZE - height));