Re: [cp-patches] RFA: AffineCombineOp

2006-08-14 Thread Francis Kung
> Have you done performance/quality comparisons of your interpolation > algorithms > with the reference implementation's? That's probably a good metric for what > is > acceptable performance. When filtering rasters, this implementation is between 75 - 200 times slower (75 for NN and bicubic,

Re: [cp-patches] RFA: AffineCombineOp

2006-08-14 Thread Thomas Fitzsimmons
Francis Kung wrote: Hello, The attached patch gets java.awt.image.AffineTransformOp working and compatible with the reference implementation; mauve tests have also been committed for this class. I'm not sure if I have the best interpolation algorithms here (especially for bicubic) - it works, b

[cp-patches] RFA: AffineCombineOp

2006-08-11 Thread Francis Kung
Hello, The attached patch gets java.awt.image.AffineTransformOp working and compatible with the reference implementation; mauve tests have also been committed for this class. I'm not sure if I have the best interpolation algorithms here (especially for bicubic) - it works, but it's slow... so if