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cssimage: Handle 0x0 images

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0x0 images can happen when we fail to load an image - or when we
successfully load a 0x0 image.
This commit is contained in:
Benjamin Otte 2015-12-15 21:23:59 +01:00
parent a11de0da6b
commit bf130da741
1 changed files with 9 additions and 2 deletions
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11
gtk/gtkcssimagesurface.c
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@ -46,11 +46,18 @@ gtk_css_image_surface_draw (GtkCssImage *image,
double height)
{
GtkCssImageSurface *surface = GTK_CSS_IMAGE_SURFACE (image);
int image_width, image_height;
image_width = cairo_image_surface_get_width (surface->surface);
image_height = cairo_image_surface_get_height (surface->surface);
if (image_width == 0 || image_height == 0)
return;
cairo_rectangle (cr, 0, 0, width, height);
cairo_scale (cr,
width / cairo_image_surface_get_width (surface->surface),
height / cairo_image_surface_get_height (surface->surface));
width / image_width,
height / image_height);
cairo_set_source_surface (cr, surface->surface, 0, 0);
cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_PAD);
cairo_fill (cr);