Move more functionality down to C canvas.

git-svn-id: http://svn.drobilla.net/lad/trunk/ganv@4271 a436a847-0d15-0410-975c-d299462d15a1

1 files changed, 20 insertions, 0 deletions

diff --git a/ganv/canvas.h b/ganv/canvas.h
index 9d0402e..0b3583a 100644
--- a/ganv/canvas.h
+++ b/ganv/canvas.h
@@ -95,14 +95,27 @@ double
 ganv_canvas_get_default_font_size(const GanvCanvas* canvas);
 
 void
+ganv_canvas_set_zoom(GanvCanvas* canvas, double zoom);
+
+void
 ganv_canvas_set_font_size(GanvCanvas* canvas, double points);
 
 void
+ganv_canvas_set_scale(GanvCanvas* canvas, double zoom, double points);
+
+void
 ganv_canvas_set_direction(GanvCanvas* canvas, GanvDirection dir);
 
 void
 ganv_canvas_clear_selection(GanvCanvas* canvas);
 
+void
+ganv_canvas_arrange(GanvCanvas* canvas);
+
+/** Write a Graphviz DOT description of the canvas to @c filename. */
+void
+ganv_canvas_export_dot(GanvCanvas* canvas, const char* filename);
+
 typedef void (*GanvNodeFunction)(GanvNode* node, void* data);
 
 typedef void (*GanvEdgeFunction)(GanvEdge* edge);
@@ -203,6 +216,13 @@ void
 ganv_canvas_set_scale(GanvCanvas* canvas, double zoom, double points);
 
 /**
+ * ganv_canvas_zoom_full:
+ * Zoom so all canvas contents are visible.
+ */
+void
+ganv_canvas_zoom_full(GanvCanvas* canvas);
+
+/**
  * ganv_canvas_get_move_cursor:
  * Return the cursor to use while dragging canvas objects.
  */