Attachment 3411 Details for Bug 4602 – don't try creating 0x0 images, similar to cworth's xlib fix

[patch] don't try creating 0x0 images, similar to cworth's xlib fix

cairo-0x0-win32.diff (text/plain), 1.02 KB, created by tor on 2005-09-26 16:10:25 UTC

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Creator: tor

Created: 2005-09-26 16:10:25 UTC

Size: 1.02 KB

patch

obsolete

>--- cairo-win32-surface.c~	2005-09-14 12:43:00.000000000 -0500
>+++ cairo-win32-surface.c	2005-09-26 17:51:35.774644800 -0500
>@@ -119,18 +119,18 @@ _create_dc_and_bitmap (cairo_win32_surfa
> 	bitmap_info = malloc (sizeof (BITMAPINFOHEADER) + num_palette * sizeof (RGBQUAD));
> 	if (!bitmap_info)
> 	    return CAIRO_STATUS_NO_MEMORY;
>     } else {
> 	bitmap_info = (BITMAPINFO *)&bmi_stack;
>     }
> 
>     bitmap_info->bmiHeader.biSize = sizeof (BITMAPINFOHEADER);
>-    bitmap_info->bmiHeader.biWidth = width;
>-    bitmap_info->bmiHeader.biHeight = - height; /* top-down */
>+    bitmap_info->bmiHeader.biWidth = width == 0 ? 1 : width;
>+    bitmap_info->bmiHeader.biHeight = height == 0 ? -1 : - height; /* top-down */
>     bitmap_info->bmiHeader.biSizeImage = 0;
>     bitmap_info->bmiHeader.biXPelsPerMeter = 72. / 0.0254; /* unused here */
>     bitmap_info->bmiHeader.biYPelsPerMeter = 72. / 0.0254; /* unused here */
>     bitmap_info->bmiHeader.biPlanes = 1;
>     
>     switch (format) {
>     case CAIRO_FORMAT_ARGB32:
>     case CAIRO_FORMAT_RGB24:

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