48 lines
985 B
C++
48 lines
985 B
C++
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#include "StdAfx.h"
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#include "ImageBWBinaray.h"
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CImageBWBinaray::CImageBWBinaray(bool needtoBW):needToBW(needtoBW)
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{
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}
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CImageBWBinaray::~CImageBWBinaray(void)
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{
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}
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void CImageBWBinaray::apply(cv::Mat& dib,int side)
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{
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if (needToBW)
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{
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if (dib.channels()!=1)
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{
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return;
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}
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threshold(dib,dib,128.0,255.0,CV_THRESH_BINARY);
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}
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}
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void CImageBWBinaray::gray2binary(cv::Mat gray, unsigned char* binary){
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if(gray.channels() != 1)
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return;
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int width = gray.cols;
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int height = gray.rows;
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int n_lineByte = (width + 7)/8;
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int lineByte = (n_lineByte * 8 + 31)/32*4;
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unsigned char * imageData = gray.data;
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unsigned char temp;
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for(int row = height -1 ; row >= 0 ; row--){
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for(int col =0; col < width; col++ ){
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int pos = col % 8;
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int pix = *(imageData+ row * width + col);
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temp = 1 << (7 - pos );
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if( pix == 255 ){
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*(binary + col /8) |= temp;
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}else{
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*(binary + col / 8 ) &= (~temp);
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}
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}
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binary = binary + lineByte;
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}
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}
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