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artiso Blog - Grafiken verlustfrei rotieren
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 Friday, September 22, 2006

Der nachfolgende Code zeigt, wie JPEG Grafiken (und ebenso auch andere Formate) verlustlos rotiert werden können:

Image i = Image.FromFile(this.imageFilename);
ImageCodecInfo usedIC = this.GetEncoderInfo("image/jpeg");

System.Drawing.Imaging.Encoder encoder =
System.Drawing.Imaging.Encoder.Transformation;

EncoderParameters encparams = new EncoderParameters(1);
EncoderParameter encparam =
new EncoderParameter(encoder,
(long)EncoderValue.TransformRotate270);
encparams.Param[0] = encparam;

i.Save("filename.jpg", usedIC, encparams );

i.Dispose();
i = null;
GC.Collect();

Quelle: http://blog.norberteder.com/index.php?entry=entry060920-223506

Friday, September 22, 2006 6:43:24 AM (Mitteleuropäische Zeit, UTC+01:00)  #    Comments [0]    | 
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