diff options
Diffstat (limited to 'src/slide_render.c')
| -rw-r--r-- | src/slide_render.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/src/slide_render.c b/src/slide_render.c index 07b57ec..d055c0a 100644 --- a/src/slide_render.c +++ b/src/slide_render.c @@ -81,6 +81,8 @@ void redraw_slide(struct slide *s) /* Is this slide currently open in the editor? */ if ( s == s->parent->cur_edit_slide ) { + GtkWidget *da; + if ( s->rendered_edit != NULL ) { cairo_surface_destroy(s->rendered_edit); } @@ -89,14 +91,18 @@ void redraw_slide(struct slide *s) h = (s->parent->slide_height/s->parent->slide_width) * w; s->rendered_edit = render_slide(s, w, h); - gdk_window_invalidate_rect(s->parent->drawingarea->window, - NULL, FALSE); + da = s->parent->drawingarea; + if ( da != NULL ) { + gdk_window_invalidate_rect(da->window, NULL, FALSE); + } } /* Is this slide currently being displayed on the projector? */ if ( s == s->parent->cur_proj_slide ) { + GtkWidget *da; + if ( s->rendered_proj != NULL ) { cairo_surface_destroy(s->rendered_proj); } @@ -105,8 +111,10 @@ void redraw_slide(struct slide *s) h = (s->parent->slide_height/s->parent->slide_width) * w; s->rendered_proj = render_slide(s, w, h); - gdk_window_invalidate_rect(s->parent->ss_drawingarea->window, - NULL, FALSE); + da = s->parent->drawingarea; + if ( da != NULL ) { + gdk_window_invalidate_rect(da->window, NULL, FALSE); + } } } |