gfx/cairo/zero-sized.patch

   1 diff --git a/src/cairo-image-surface.c b/src/cairo-image-surface.c
   2 index e9e544d..cde68a1 100644
   3 --- a/src/cairo-image-surface.c
   4 +++ b/src/cairo-image-surface.c
   5 @@ -324,8 +324,8 @@ _cairo_image_surface_create_with_pixman_format (unsigned char               *data,
   6      cairo_surface_t *surface;
   7      pixman_image_t *pixman_image;
   8
   9 -    pixman_image = pixman_image_create_bits (pixman_format, width, height,
  10 -                                            (uint32_t *) data, stride);
  11 +    pixman_image = pixman_image_create_bits (pixman_format, width ? width : 1, height ? height : 1,
  12 +                                            (uint32_t *) data, stride ? stride : 4);
  13
  14      if (unlikely (pixman_image == NULL))
  15         return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY));
  16 diff --git a/src/cairo-xlib-surface.c b/src/cairo-xlib-surface.c
  17 index f86a133..ddcb600 100644
  18 --- a/src/cairo-xlib-surface.c
  19 +++ b/src/cairo-xlib-surface.c
  20 @@ -675,7 +675,8 @@ _get_image_surface (cairo_xlib_surface_t    *surface,
  21
  22         pixmap = XCreatePixmap (surface->dpy,
  23                                 surface->drawable,
  24 -                               extents.width, extents.height,
  25 +                               extents.width <= 0 ? 1 : extents.width,
  26 +                               extents.height <= 0 ? 1 : extents.height,
  27                                 surface->depth);
  28         if (pixmap) {
  29             XCopyArea (surface->dpy, surface->drawable, pixmap, surface->gc,
  30 @@ -686,7 +687,8 @@ _get_image_surface (cairo_xlib_surface_t    *surface,
  31             ximage = XGetImage (surface->dpy,
  32                                 pixmap,
  33                                 0, 0,
  34 -                               extents.width, extents.height,
  35 +                               extents.width <= 0 ? 1 : extents.width,
  36 +                               extents.height <= 0 ? 1 : extents.height,
  37                                 AllPlanes, ZPixmap);
  38
  39             XFreePixmap (surface->dpy, pixmap);