gfx/cairo/cairo-mask-extends-bug.patch

   1 diff --git a/gfx/cairo/cairo/src/cairo-image-surface.c b/gfx/cairo/cairo/src/cairo-image-surface.c
   2 --- a/gfx/cairo/cairo/src/cairo-image-surface.c
   3 +++ b/gfx/cairo/cairo/src/cairo-image-surface.c
   4 @@ -1788,18 +1788,35 @@ static cairo_status_t
   5                                             cairo_boxes_t *boxes)
   6  {
   7      cairo_boxes_t clear;
   8      cairo_box_t box;
   9      cairo_status_t status;
  10      struct _cairo_boxes_chunk *chunk;
  11      int i;
  12
  13 -    if (boxes->num_boxes < 1 && clip_region == NULL)
  14 -       return _cairo_image_surface_fixup_unbounded (dst, extents, NULL);
  15 +    // If we have no boxes then we need to clear the entire extents
  16 +    // because we have nothing to draw.
  17 +    if (boxes->num_boxes < 1 && clip_region == NULL) {
  18 +        int x = extents->unbounded.x;
  19 +        int y = extents->unbounded.y;
  20 +        int width = extents->unbounded.width;
  21 +        int height = extents->unbounded.height;
  22 +
  23 +        pixman_color_t color = { 0 };
  24 +        pixman_box32_t box = { x, y, x + width, y + height };
  25 +
  26 +        if (! pixman_image_fill_boxes (PIXMAN_OP_CLEAR,
  27 +                                       dst->pixman_image,
  28 +                                       &color,
  29 +                                       1, &box)) {
  30 +            return _cairo_error (CAIRO_STATUS_NO_MEMORY);
  31 +        }
  32 +        return CAIRO_STATUS_SUCCESS;
  33 +    }
  34
  35      _cairo_boxes_init (&clear);
  36
  37      box.p1.x = _cairo_fixed_from_int (extents->unbounded.x + extents->unbounded.width);
  38      box.p1.y = _cairo_fixed_from_int (extents->unbounded.y);
  39      box.p2.x = _cairo_fixed_from_int (extents->unbounded.x);
  40      box.p2.y = _cairo_fixed_from_int (extents->unbounded.y + extents->unbounded.height);
  41