Re: VW Image rotation

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Re: VW Image rotation

skrish
Rotation in VW through: Image>>rotatedByDegrees: degrees
                                            >>rotateByDegrees: degrees  to: newImage interpolate: interpolate
 
rotates the image within the same image bounds..  in the first case.. and rotates anticlockwise..  whereas the norm seems to be..
a full image that is larger ( or smaller ... ) because of the tilt with the background pixel being configurable..
The rotation that is clockwise for positive degrees..
 
Or am I reaching up for wrong interpretation here...
 
Finally the performance leaves much to be desired for large images.. should we not have a VW engine function that performs the bulk of image bits copy..kind of move the second method nearly all to a primitive call...
 
skrishnamachari

 
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Re: VW Image rotation

Runar Jordahl
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Re: VW Image rotation

nasca
the links above is really helpful ,from which I got useful image rotation guide and sample codes in VisualWorks