blur.h File Reference

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Functions
void	blurImage (QImage &image, float sigma)
void	blurImage (QImage &image, float sigma, QPoint offset, QSize fullImageRes, QImage *edges, int *regions, int numRegions, bool targetEdges)

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Function Documentation

void blurImage (  QImage &  image, float  sigma, QPoint  offset, QSize  fullImageRes, QImage *  edges, int *  regions, int  numRegions, bool  targetEdges )

Definition at line 101 of file blur.cpp. References blurBuffer(), buffer, colBuffer, computeCoeffs(), displayOffset, edgeImage, fillBuffer(), fullRes, height, regionColBuffer, regionCount, regionMap, regionRowBuffer, resetImageData(), rowBuffer, and width. Referenced by GrainEditor::adjustImage(), blurImage(), EdgeDetect::constructEdgeImage(), and sharpenImage(). { edgeImage = edges; regionMap = regions; regionCount = numRegions; displayOffset = offset; fullRes = fullImageRes; //compute blurring coeffecients computeCoeffs(sigma); //store image dimensions width = image.width(); height = image.height(); //Construct float buffer that is the size of the image/ //In order to conserve memory process image three times, once for //each color channel. buffer = new float[ width * height ]; rowBuffer = new float[width]; colBuffer = new float[height]; regionRowBuffer = new float[width * numRegions]; regionColBuffer = new float[height * numRegions]; //iterate over each color channel int channel; for( channel = 0; channel <=2; channel++) { //copy color data into float buffer fillBuffer( image, channel ); //blur buffer data blurBuffer(); //reset image data used blurred buffer resetImageData(image, channel, targetEdges); } //delete buffer delete[] buffer; delete[] rowBuffer; delete[] colBuffer; }

void blurImage (  QImage &  image, float  sigma )

Definition at line 94 of file blur.cpp. References blurImage(). { //supply dummy data for edges, notably NULL for the edge image pointer. //other values have no effect blurImage( image, sigma, QPoint(0,0), image.size(), NULL, NULL, 0, false ); }

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