C语言实现游程（行程）长度编码——RLC/RLE

#include 
#define LINE 256
#define ROW 256
#define SIZE 256*256
using namespace std;

int main()
{
unsigned char ImageRAW[256][256];
unsigned char ImageTra[256][256];
unsigned char line[ROW*LINE];
unsigned char line_Decode[ROW*LINE];    //解码像素向量
int RLC[ROW * LINE + 1];
int RLC_Decode[ROW * LINE + 1];     //解码RLC
    FILE *fp;
    long i,j,k,m;
    long count = 1;

        if((fp = fopen("sy1.raw","rb")) != 0)
        {
            fread(ImageRAW, 1, ROW * LINE, fp);
            fclose(fp);
        }
    	//二值化
		for(i = 0; i < 256; i++)
		{
			for(j =0; j<256; j++)
			{
				if(ImageRAW[i][j] > 100)
					ImageRAW[i][j]  = 255;
				else
					ImageRAW[i][j] = 0;
			}
		}
		//存储原图
		if((fp = fopen("sy4_source.raw", "wb")) != 0)
		{
			fwrite(ImageRAW, 1, ROW*LINE, fp);
			fclose(fp);
		}
		//RLC编码
		//转成行
		for(i = 0,k = 0; i < LINE; i++)
		{
			for(j = 0; j < ROW; j++)
			{
				line[k] = ImageRAW[i][j];
				++k;
			}
		}

		//初始化RLC[]为0
		for(k = 0; k < ROW * LINE ; k++)
		{
			RLC[k] = 0;
            RLC_Decode[k] = 0;
		}
        //编码  
       for ( i = 1,k = 0; i < SIZE; i++)
        {
            if (line[i] == line[i-1])
            {
                ++count;
            }
            else
            {
                if (line[i-1] == 255)
                {
                    RLC[k] = 255;
                    RLC[k+1] = count;
                    k = k + 2;
                    count = 1;
                }
                if (line[i-1] == 0)
                {
                    RLC[k] = 0;
                    RLC[k+1] = count;
                    k = k + 2;
                    count = 1;
                }
            }
            
        }
        //最后一个字符单独处理
        if (line[--i] == 0)
        {
            RLC[k] = 0;
            RLC[k+1] =  count;
        }else
        {
            RLC[k] = 0;
            RLC[k+1] =  count;
        }
        //存编码文件  k+2 6444
		if((fp = fopen("sy4_RLC.txt", "wb")) != 0)
		{
			fwrite(RLC, sizeof(int), k + 2, fp);
			fclose(fp);
		}
        //获取文件长度  fSize 25780byte
        fp = fopen("sy4_RLC.txt","r");
        fseek(fp,sizeof(int),SEEK_END);
        long fSize = ftell(fp);
        long aSize = (fSize/4) - 1;
        //读编码文件
		if((fp = fopen("sy4_RLC.txt","rb")) != 0)
		{
			fread(RLC_Decode, sizeof(int), fSize, fp);
			fclose(fp);
		}
        //解码
        for (i = 0,k = 0; i < aSize-1; i = i+2)
        {
            for ( j = 0; j < RLC_Decode[i+1]; j++)
            {
                line_Decode[k] = RLC_Decode[i];
                ++k;
            }
           
        }
        //转成矩阵
        for ( i = 0,j = 0,k = 0; i < ROW*LINE; i++)
        {
            
            if(k == 256)
            {
                j++;
                k=0;
            }
            ImageTra[j][k] = line_Decode[i];
            k++;
        }
    system("pause");
}