int lib_graphics_f_FindDisplayInfo_2(emumsg_syscall_t *msg)
{
/* Make real syscall */
msg->arg[0]._aptr = FindDisplayInfo(msg->arg[0]._ulong);
return HOOK_DONE;
}
static DisplayInfo LookupDisplayInfo(Display *display)
{
DisplayInfo d = FindDisplayInfo(display);
if (d == NULL) d = AllocDisplayInfo(display, (DPSContext) NULL);
return d;
}
void ami_font_setdevicedpi(int id)
{
DisplayInfoHandle dih;
struct DisplayInfo dinfo;
ULONG ydpi = option_amiga_ydpi;
ULONG xdpi = option_amiga_ydpi;
nscss_screen_dpi = INTTOFIX(option_amiga_ydpi);
if(id && (option_monitor_aspect_x != 0) && (option_monitor_aspect_y != 0))
{
if(dih = FindDisplayInfo(id))
{
if(GetDisplayInfoData(dih, &dinfo, sizeof(struct DisplayInfo),
DTAG_DISP, 0))
{
int xres = dinfo.Resolution.x;
int yres = dinfo.Resolution.y;
if((option_monitor_aspect_x != 4) || (option_monitor_aspect_y != 3))
{
/* AmigaOS sees 4:3 modes as square in the DisplayInfo database,
* so we correct other modes to "4:3 equiv" here. */
xres = (xres * option_monitor_aspect_x) / 4;
yres = (yres * option_monitor_aspect_y) / 3;
}
xdpi = (yres * ydpi) / xres;
LOG(("XDPI = %ld, YDPI = %ld (DisplayInfo resolution %ld x %ld, corrected %ld x %ld)",
xdpi, ydpi, dinfo.Resolution.x, dinfo.Resolution.y, xres, yres));
}
}
}
ami_xdpi = xdpi;
ami_devicedpi = (xdpi << 16) | ydpi;
}
