Make some functions private.

git-svn-id: http://svn.drobilla.net/lad/trunk/ganv@5301 a436a847-0d15-0410-975c-d299462d15a1

4 files changed, 14 insertions, 28 deletions

diff --git a/src/canvas-base.c b/src/canvas-base.c
index 89a3e4e..9691bff 100644
--- a/src/canvas-base.c
+++ b/src/canvas-base.c
@@ -1365,7 +1365,7 @@ ganv_canvas_base_set_pixels_per_unit(GanvCanvasBase* canvas, double n)
 	int    anchor_x, anchor_y;
 
 	g_return_if_fail(GANV_IS_CANVAS_BASE(canvas));
-	g_return_if_fail(n > GANV_CANVAS_BASE_EPSILON);
+	g_return_if_fail(n > 1e-10);
 
 	if (canvas->center_scroll_region) {
 		anchor_x = GTK_WIDGET(canvas)->allocation.width / 2;
@@ -1445,30 +1445,6 @@ ganv_canvas_base_get_scroll_offsets(GanvCanvasBase* canvas, int* cx, int* cy)
 }
 
 /**
- * ganv_canvas_base_update_now:
- * @canvas: A canvas.
- *
- * Forces an immediate update and redraw of a canvas.  If the canvas does not
- * have any pending update or redraw requests, then no action is taken.  This is
- * typically only used by applications that need explicit control of when the
- * display is updated, like games.  It is not needed by normal applications.
- */
-void
-ganv_canvas_base_update_now(GanvCanvasBase* canvas)
-{
-	g_return_if_fail(GANV_IS_CANVAS_BASE(canvas));
-
-	if (!(canvas->need_update || canvas->need_redraw)) {
-		g_assert(canvas->idle_id == 0);
-		g_assert(canvas->redraw_region == NULL);
-		return;
-	}
-
-	remove_idle(canvas);
-	do_update(canvas);
-}
-
-/**
  * ganv_canvas_base_get_item_at:
  * @canvas: A canvas.
  * @x: X position in world coordinates.
diff --git a/src/ganv-private.h b/src/ganv-private.h
index d70f00c..227c46b 100644
--- a/src/ganv-private.h
+++ b/src/ganv-private.h
@@ -22,8 +22,9 @@ extern "C" {
 
 #include <cairo.h>
 
-#include "ganv/types.h"
+#include "ganv/canvas-base.h"
 #include "ganv/text.h"
+#include "ganv/types.h"
 
 extern guint signal_moved;
 
@@ -217,6 +218,13 @@ ganv_canvas_base_request_update(GanvCanvasBase* canvas);
 int
 ganv_canvas_base_emit_event(GanvCanvasBase* canvas, GdkEvent* event);
 
+/* For use only by item type implementations.  Request that the canvas
+ * eventually redraw the specified region, specified in canvas pixel
+ * coordinates.  The region contains (x1, y1) but not (x2, y2).
+ */
+void
+ganv_canvas_base_request_redraw(GanvCanvasBase* canvas,
+                                int x1, int y1, int x2, int y2);
 
 /* Edge */
 
diff --git a/src/item.c b/src/item.c
index 6fcd110..05295bb 100644
--- a/src/item.c
+++ b/src/item.c
@@ -664,8 +664,9 @@ ganv_item_default_bounds(GanvItem* item, double* x1, double* y1, double* x2, dou
  * @x2: Rightmost edge of the bounding box (return value).
  * @y2: Lower edge of the bounding box (return value).
  *
- * Queries the bounding box of a canvas item.  The bounds are returned in the
- * coordinate system of the item's parent.
+ * Queries the bounding box of a canvas item.  The bounding box may not be
+ * exactly tight, but the canvas items will do the best they can.  The bounds
+ * are returned in the coordinate system of the item's parent.
  **/
 void
 ganv_item_get_bounds(GanvItem* item, double* x1, double* y1, double* x2, double* y2)
diff --git a/src/widget.c b/src/widget.c
index d6c7a0b..afbf56c 100644
--- a/src/widget.c
+++ b/src/widget.c
@@ -21,6 +21,7 @@
 
 #include <gtk/gtksignal.h>
 
+#include "ganv/canvas-base.h"
 #include "ganv/widget.h"
 
 #include "./gettext.h"