}
bpp = GetDeviceCaps(source_hdc, BITSPIXEL);
+ horzres = GetDeviceCaps(source_hdc, HORZRES);
+ vertres = GetDeviceCaps(source_hdc, VERTRES);
+ desktophorzres = GetDeviceCaps(source_hdc, DESKTOPHORZRES);
+ desktopvertres = GetDeviceCaps(source_hdc, DESKTOPVERTRES);
+
if (hwnd) {
GetClientRect(hwnd, &virtual_rect);
+ /* window -- get the right height and width for scaling DPI */
+ virtual_rect.left = virtual_rect.left * desktophorzres / horzres;
+ virtual_rect.right = virtual_rect.right * desktophorzres / horzres;
+ virtual_rect.top = virtual_rect.top * desktopvertres / vertres;
+ virtual_rect.bottom = virtual_rect.bottom * desktopvertres / vertres;
} else {
/* desktop -- get the right height and width for scaling DPI */
- horzres = GetDeviceCaps(source_hdc, HORZRES);
- vertres = GetDeviceCaps(source_hdc, VERTRES);
- desktophorzres = GetDeviceCaps(source_hdc, DESKTOPHORZRES);
- desktopvertres = GetDeviceCaps(source_hdc, DESKTOPVERTRES);
virtual_rect.left = GetSystemMetrics(SM_XVIRTUALSCREEN);
virtual_rect.top = GetSystemMetrics(SM_YVIRTUALSCREEN);
virtual_rect.right = (virtual_rect.left + GetSystemMetrics(SM_CXVIRTUALSCREEN)) * desktophorzres / horzres;