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System.Drawing.Graphics ignores InterpolationModeWhen using the
System.Drawing.Graphics class, I set the the property InterpolationMode to
InterpolationMode.NearestNeighbor. However, the image rendered to
the screen still looks as though it has undergone bilinear interpolation.
Running the exact same code on .NET runtime in Windows, the image is clearly not
interpolated.
Does anyone know if
this is a bug (in which case I can submit a bug report), or is the
InterpolationMode property simply not yet supported on
Linux?
Thanks,
Jonathan
_______________________________________________ Mono-devel-list mailing list Mono-devel-list@... http://lists.ximian.com/mailman/listinfo/mono-devel-list |
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Re: System.Drawing.Graphics ignores InterpolationModeI have similar problem. All resized (downsampled) images by this code:
https://bugzilla.novell.com/attachment.cgi?id=169051 have very low quality in compare with MS .NET Framework. How can I generate good quality thumbnails in Mono? Thanks, Onelook
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Re: System.Drawing.Graphics ignores InterpolationModeHello,
Cairo, on which libgdiplus depends for graphics, has much less interpolation options than MS GDI+ defines in its API. So libgdiplus maps "many to few" options in this case. Cairo is also known not to downscale images very well (but some Cairo people are looking at this). Google cairo's mailing-list if you want to know more about the issues. Sebastien On Thu, 2008-09-04 at 06:06 -0700, Onelook wrote: > I have similar problem. All resized (downsampled) images by this code: > https://bugzilla.novell.com/attachment.cgi?id=169051 > have very low quality in compare with MS .NET Framework. How can I generate > good quality thumbnails in Mono? > > Thanks, > Onelook > > > > Jonathan Resnick wrote: > > > > When using the System.Drawing.Graphics class, I set the the property > > InterpolationMode to InterpolationMode.NearestNeighbor. However, the > > image > > rendered to the screen still looks as though it has undergone bilinear > > interpolation. Running the exact same code on .NET runtime in Windows, > > the > > image is clearly not interpolated. > > > > Does anyone know if this is a bug (in which case I can submit a bug > > report), > > or is the InterpolationMode property simply not yet supported on Linux? > > > > Thanks, > > Jonathan > > > > _______________________________________________ > > Mono-devel-list mailing list > > Mono-devel-list@... > > http://lists.ximian.com/mailman/listinfo/mono-devel-list > > > > > _______________________________________________ Mono-devel-list mailing list Mono-devel-list@... http://lists.ximian.com/mailman/listinfo/mono-devel-list |
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