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Fix crash in test/device after scale-GUI + Fl_Printer + Fl_Image_Surface

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git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12850 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Manolo Gouy
2018-04-18 14:41:54 +00:00
parent c79f82edd1
commit 231e0edff6
1 changed files with 4 additions and 2 deletions
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src/drivers/GDI/Fl_GDI_Graphics_Driver_image.cxx
+4 -2
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@@ -348,8 +348,10 @@ Fl_Bitmask Fl_GDI_Graphics_Driver::create_bitmask(int w, int h, const uchar *dat
static uchar loNibble[16] =
{ 0x00, 0x08, 0x04, 0x0c, 0x02, 0x0a, 0x06, 0x0e,
0x01, 0x09, 0x05, 0x0d, 0x03, 0x0b, 0x07, 0x0f };
int np = GetDeviceCaps(gc_, PLANES); //: was always one on sample machines
int bpp = GetDeviceCaps(gc_, BITSPIXEL);//: 1,4,8,16,24,32 and more odd stuff?
HDC hdc = GetDC(NULL);
int np = GetDeviceCaps(hdc, PLANES); //: was always one on sample machines
int bpp = GetDeviceCaps(hdc, BITSPIXEL);//: 1,4,8,16,24,32 and more odd stuff?
ReleaseDC(NULL, hdc);
int Bpr = (bpp*w+7)/8; //: bytes per row
int pad = Bpr&1, w1 = (w+7)/8, shr = ((w-1)&7)+1;
if (bpp==4) shr = (shr+1)/2;