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authorAndrius Ramanauskas <knutux@gmail.com>2006-04-19 05:14:26 +0000
committerknutux <knutux@users.sourceforge.net>2006-04-19 05:14:26 +0000
commitcd3043cf07c274cd641b8483b55177e9a5cb1e10 (patch)
treef860995235a5dc981868ab4f3482e861322ffe01 /src/display/canvas-arena.cpp
parentfix name and size (diff)
downloadinkscape-cd3043cf07c274cd641b8483b55177e9a5cb1e10.tar.gz
inkscape-cd3043cf07c274cd641b8483b55177e9a5cb1e10.zip
Rendering optimisation, which gives best results for zoomed in drawings with complex (multi-node) paths. Optimisation focus - eliminating cubicTo and LineTo nodes outside of visible area, so no unneeded calculations is needed and less memory is consumed (this avoids crashes which were occurring previously if zooming into a complex drawing)
(bzr r541)
Diffstat (limited to 'src/display/canvas-arena.cpp')
-rw-r--r--src/display/canvas-arena.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/display/canvas-arena.cpp b/src/display/canvas-arena.cpp
index 1d77de158..2d192ac1b 100644
--- a/src/display/canvas-arena.cpp
+++ b/src/display/canvas-arena.cpp
@@ -278,10 +278,12 @@ sp_canvas_arena_render (SPCanvasItem *item, SPCanvasBuf *buf)
FALSE, FALSE);
#ifdef STRICT_RGBA
+ pb.visible_area = buf->visible_rect;
nr_arena_item_invoke_render (arena->root, &area, &pb, 0);
nr_blit_pixblock_pixblock (&cb, &pb);
nr_pixblock_release (&pb);
#else
+ cb.visible_area = buf->visible_rect;
nr_arena_item_invoke_render (arena->root, &area, &cb, 0);
#endif