snipnet1 - Githubissues

#include <cv.h>
#include <highgui.h>

using namespace cv;
using namespace std;

#define BLUE            0
#define GREEN   1
#define RED             2

#ifndef SCREEN_XY
#define SCREEN_XY(x, y)  (255 - ((255 - (x))*(255 - (y)) >> 8))
#endif

int main(){
    char imgfile[256] = "E:\\t11.jpg";
    Mat src = imread(imgfile, CV_LOAD_IMAGE_COLOR);
    imshow("src", src);

    int size = src.cols * src.rows;
    uchar r = 0, g = 0, b = 0, g_alpha = 0;
    uchar *pSrcData = src.data;
    for (int i = 0; i < size; i++, pSrcData += 3)
    {
        g_alpha = 255 - pSrcData[GREEN];
        b = pSrcData[BLUE]*g_alpha  >> 8;
        g = pSrcData[GREEN]*g_alpha >> 8;
        r = pSrcData[RED]*g_alpha   >> 8;

        pSrcData[BLUE]  = SCREEN_XY(pSrcData[BLUE],  b);
        pSrcData[GREEN] = SCREEN_XY(pSrcData[GREEN], g);
        pSrcData[RED]   = SCREEN_XY(pSrcData[RED],   r);
    }

    imshow("dst", src);

    waitKey();
    return 0;
}
lix19937 / ocr

snipnet1 #1
