[Mono-bugs] [Bug 77181][Min] Changed - Graphics.DrawImage only uses InterpolationMode.NearestNeighbor

bugzilla-daemon at bugzilla.ximian.com bugzilla-daemon at bugzilla.ximian.com
Thu May 25 14:25:17 EDT 2006

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Changed by juraj at hotfeet.ch.


--- shadow/77181	2006-02-22 23:50:07.000000000 -0500
+++ shadow/77181.tmp.29411	2006-05-25 14:25:17.000000000 -0400
@@ -55,6 +55,20 @@
 ------- Additional Comments From jresnick at gmail.com  2006-02-22 23:50 -------
 I observed the opposite problem, where I set InterpolationMode to
 NearestNeighbour but it still seems to do some kind of bicubic
 interpolation.  I observed this in Mono, running on SUSE 10.0.
+------- Additional Comments From juraj at hotfeet.ch  2006-05-25 14:25 -------
+I'm seeing the same problem (DrawImage never uses interpolation). I'm
+running Mono and libgdiplus from SVN (r61128) on a FC5 machine.
+In fact, I've never seen interpolation work on Fedora machines.
+Libgdiplus is passing the right CAIRO_FILTER_... values down to Cairo.
+Could this be an problem inside Cairo or Pixman?
+The following program scales down a given image with every possible
+interpolation mode and saves the result. On my machine, the results
+are always 8 identical PNG files.
+Could someone running Suse please verify that the same is happening there?

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