Author: tack
Date: Tue Nov 28 21:37:47 2006
New Revision: 2106
Modified:
trunk/canvas/src/displays/buffer.py
Log:
Don't unpremul a region if evas didn't render in that region; also speeds
it up a bit.
Modified: trunk/canvas/src/displays/buffer.py
==============================================================================
--- trunk/canvas/src/displays/buffer.py (original)
+++ trunk/canvas/src/displays/buffer.py Tue Nov 28 21:37:47 2006
@@ -54,14 +54,10 @@
def _render(self):
regions = super(BufferCanvas, self)._render()
- w, h = self['size']
- stride = w * 4
- y0 = h
- y1 = 0
- for (rx, ry, rw, rh) in regions:
- y0 = min(y0, ry)
- y1 = max(y1, rh + ry)
- evas.data_argb_unpremul(self.get_buffer(), stride*y0, stride*(y1-y0))
+ stride = self['size'][0] * 4
+ buf = self.get_buffer()
+ for x, y, w, h in regions:
+ for i in range(y, y+h):
+ evas.data_argb_unpremul(buf, i*stride+(x*4), w*4)
return regions
-
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