diff options
| -rw-r--r-- | demos/gtk-demo/gestures.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/demos/gtk-demo/gestures.c b/demos/gtk-demo/gestures.c index 8d53ae3434..4079ed950f 100644 --- a/demos/gtk-demo/gestures.c +++ b/demos/gtk-demo/gestures.c @@ -94,9 +94,12 @@ drawing_area_draw (GtkDrawingArea *area, cairo_pattern_t *pat; cairo_matrix_t matrix; gdouble angle, scale; + gdouble x_center, y_center; + + gtk_gesture_get_bounding_box_center (GTK_GESTURE (zoom), &x_center, &y_center); cairo_get_matrix (cr, &matrix); - cairo_matrix_translate (&matrix, width / 2, height / 2); + cairo_matrix_translate (&matrix, x_center, y_center); cairo_save (cr); |