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font_windows.c: don't crash if no memory for bitmap [Peter Ferrie]

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more graceful exit will occur when next malloc() fails, and condition
might be temporary
This commit is contained in:
Peter Ferrie 2015-03-18 19:18:00 -07:00
parent 490ed5ce9b
commit 9cf8308096
1 changed files with 77 additions and 72 deletions
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5
src/osd/modules/font/font_windows.c
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@ -169,6 +169,9 @@ bool osd_font_windows::get_bitmap(unicode_char chnum, bitmap_argb32 &bitmap, INT
// create a DIB to render to // create a DIB to render to
BYTE *bits; BYTE *bits;
HBITMAP dib = CreateDIBSection(dummyDC, &info, DIB_RGB_COLORS, reinterpret_cast<VOID **>(&bits), NULL, 0); HBITMAP dib = CreateDIBSection(dummyDC, &info, DIB_RGB_COLORS, reinterpret_cast<VOID **>(&bits), NULL, 0);
if (dib)
{
HGDIOBJ oldbitmap = SelectObject(dummyDC, dib); HGDIOBJ oldbitmap = SelectObject(dummyDC, dib);
// clear the bitmap // clear the bitmap
@ -253,6 +256,8 @@ bool osd_font_windows::get_bitmap(unicode_char chnum, bitmap_argb32 &bitmap, INT
// de-select the font and release the DC // de-select the font and release the DC
SelectObject(dummyDC, oldbitmap); SelectObject(dummyDC, oldbitmap);
DeleteObject(dib); DeleteObject(dib);
}
SelectObject(dummyDC, oldfont); SelectObject(dummyDC, oldfont);
DeleteDC(dummyDC); DeleteDC(dummyDC);
return bitmap.valid(); return bitmap.valid();