libgnomecanvas r1263 - in trunk: . libgnomecanvas

[federico svn gnome org]

Author: federico
Date: 2007-08-23 17:45:40 +0100 (Thu, 23 Aug 2007)
New Revision: 1263
ViewCVS link: http://svn.gnome.org/viewcvs/libgnomecanvas?rev=1263&view=rev

Modified:
   trunk/ChangeLog
   trunk/libgnomecanvas/gnome-canvas.c
Log:
2007-08-22  Federico Mena Quintero  <federico novell com>

	Avoid tearing while repainting.

	* libgnomecanvas/gnome-canvas.c (REDRAW_QUANTUM_SIZE): Renamed
	from IMAGE_{WIDTH, HEIGHT}; use a single value.
	(IMAGE_WIDTH_AA, IMAGE_HEIGHT_AA): Removed.
	(paint): Don't use different redraw quantum sizes for the
	antialiased and non-antialiased case.  Extract big rectangles from
	the microtile array, turn them into a GdkRegion, and *then* expose
	with that region, so that we can repaint without tearing.
	(gnome_canvas_paint_rect): Don't use different redraw quantum
	sizes for the antialiased and non-antialiased case.
	(gnome_canvas_paint_rect): Don't tile the area to paint; instead, draw
	the complete rectangle in one pass.  The callers already took care of
	generating appropriate rectangles for us.