ryujinx/SDL
1
0
Fork 0
mirror of https://github.com/Ryujinx/SDL.git synced 2025-11-04 13:54:49 +00:00
Code Issues Packages Projects Releases Wiki Activity

Fixed divide by zero if the application has run out of GDI handles and is trying to show an error dialog

Browse source
This commit is contained in:
Sam Lantinga 2015-09-14 11:15:25 -07:00
parent 4295a6fe47
commit 08ce12c4e3
1 changed files with 6 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
src/video/windows/SDL_windowsmessagebox.c
View file

@ -297,9 +297,12 @@ static WIN_DialogData *CreateDialogData(int w, int h, const char *caption)
/* Font size - convert to logical font size for dialog parameter. */
{
HDC ScreenDC = GetDC(0);
WordToPass = (WORD)(-72 * NCM.lfMessageFont.lfHeight / GetDeviceCaps(ScreenDC, LOGPIXELSY));
ReleaseDC(0, ScreenDC);
HDC ScreenDC = GetDC(NULL);
int LogicalPixelsY = GetDeviceCaps(ScreenDC, LOGPIXELSY);
if (!LogicalPixelsY) /* This can happen if the application runs out of GDI handles */
LogicalPixelsY = 72;
WordToPass = (WORD)(-72 * NCM.lfMessageFont.lfHeight / LogicalPixelsY);
ReleaseDC(NULL, ScreenDC);
}
if (!AddDialogData(dialog, &WordToPass, 2)) {