[Mono-bugs] [Bug 78184][Nor] Changed - ErrorProvider rendering in MWF is broken

bugzilla-daemon at bugzilla.ximian.com bugzilla-daemon at bugzilla.ximian.com
Wed May 3 09:11:49 EDT 2006

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Changed by xenomorph2 at onlinehome.de.


--- shadow/78184	2006-04-25 06:56:37.000000000 -0400
+++ shadow/78184.tmp.9520	2006-05-03 09:11:49.000000000 -0400
@@ -41,6 +41,20 @@
 screen capture showing the problem
 ------- Additional Comments From alextxm at tin.it  2006-04-25 06:56 -------
 forgot to mention: tested with mono 1.1.12/13.x/14/15 (screen capture
 is with mono 1.1.15 (beta #2))
+------- Additional Comments From xenomorph2 at onlinehome.de  2006-05-03 09:11 -------
+This happens because the errorprovider icon is 24Bit. That means, the
+icon data that is stored in IconImage.iconXOR doesn't use 4 bytes to
+store the value of each color instead it uses only 3 bytes.
+So, using Marshal.Copy to transfer RGB values from IconImage.iconXOR
+to ARGB bitmap memory doesn't work. Instead we have to read 3 bytes
+from iconXOR and then set the color for the pixel in the bitmap that
+is created in Icon.ToBitmap(), read the next 3 bytes..., and so on.
+Attached is a patch that fixes it.
+If bug #78189 (Bmpcodec needs to be fixed to also support 24bpp) gets
+fixed this can be reverted again !?! Am I right ?

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