Fix boundary overflow.
This commit is contained in:
parent
e659fca922
commit
79d388e0ec
@ -207,6 +207,14 @@ void guac_rdp_glyph_enddraw(rdpContext* context,
|
||||
cairo_surface_t* glyph_surface = guac_client_data->glyph_surface;
|
||||
int stride = cairo_image_surface_get_stride(glyph_surface);
|
||||
|
||||
/* Calculate bounds */
|
||||
int max_width = cairo_image_surface_get_width(glyph_surface) - x;
|
||||
int max_height = cairo_image_surface_get_height(glyph_surface) - y;
|
||||
|
||||
/* Ensure dimensions of glyph do not exceed bounds */
|
||||
if (width > max_width) width = max_width;
|
||||
if (height > max_height) height = max_height;
|
||||
|
||||
/* Ensure data is ready */
|
||||
cairo_surface_flush(glyph_surface);
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user