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Edward Apap authored
FFTW3 library) * Added an abstract class KisConvolutionWorker * Spatial and FFT based convolution now inherit from the worker base * Both workers perform convolution outside the colorspace classes to ensure that the code is only in a single place and works correctly under all circumstances * Convolution offset is now a relative value [0..1] * Channel flags are now adhered to svn path=/trunk/koffice/; revision=1088315
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