diff options
Diffstat (limited to 'gtk-gui.c')
| -rw-r--r-- | gtk-gui.c | 13 |
1 files changed, 8 insertions, 5 deletions
@@ -674,18 +674,21 @@ static gboolean expose_event(GtkWidget *widget, GdkEventExpose *event, gpointer { struct dive *dive = current_dive; struct graphics_context gc = { .printer = 0 }; - int w,h; + static cairo_rectangle_int_t drawing_area; - w = widget->allocation.width; - h = widget->allocation.height; + /* the drawing area gives TOTAL width * height - x,y is used as the topx/topy offset + * so effective drawing area is width-2x * height-2y */ + drawing_area.width = widget->allocation.width; + drawing_area.height = widget->allocation.height; + drawing_area.x = drawing_area.width / 20.0; + drawing_area.y = drawing_area.height / 20.0; gc.cr = gdk_cairo_create(widget->window); set_source_rgb(&gc, 0, 0, 0); cairo_paint(gc.cr); if (dive) - plot(&gc, w, h, dive); - + plot(&gc, &drawing_area, dive); cairo_destroy(gc.cr); return FALSE; |