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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)


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().

00105 { 00106 edgeImage = edges; 00107 regionMap = regions; 00108 regionCount = numRegions; 00109 displayOffset = offset; 00110 fullRes = fullImageRes; 00111 00112 //compute blurring coeffecients 00113 computeCoeffs(sigma); 00114 00115 //store image dimensions 00116 width = image.width(); 00117 height = image.height(); 00118 00119 //Construct float buffer that is the size of the image/ 00120 //In order to conserve memory process image three times, once for 00121 //each color channel. 00122 buffer = new float[ width * height ]; 00123 00124 rowBuffer = new float[width]; 00125 colBuffer = new float[height]; 00126 00127 regionRowBuffer = new float[width * numRegions]; 00128 regionColBuffer = new float[height * numRegions]; 00129 00130 //iterate over each color channel 00131 int channel; 00132 for( channel = 0; channel <=2; channel++) 00133 { 00134 //copy color data into float buffer 00135 fillBuffer( image, channel ); 00136 00137 //blur buffer data 00138 blurBuffer(); 00139 00140 //reset image data used blurred buffer 00141 resetImageData(image, channel, targetEdges); 00142 } 00143 00144 //delete buffer 00145 delete[] buffer; 00146 delete[] rowBuffer; 00147 delete[] colBuffer; 00148 }

void blurImage QImage &  image,
float  sigma
 

Definition at line 94 of file blur.cpp.

References blurImage().

00095 { 00096 //supply dummy data for edges, notably NULL for the edge image pointer. 00097 //other values have no effect 00098 blurImage( image, sigma, QPoint(0,0), image.size(), NULL, NULL, 0, false ); 00099 }


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