ShowMassage("#include 
        void
           { 
            FILE *fp;                /*定义一个文件指针*/ 
            int i; 
          
           if(fp==NULL)             /*判断文件是否打开成功*/ 
             puts("File open error");/*提示打开不成功*/ 
          i=fclose(fp);            /*关闭打开的文件*/ 
          if(i==0)                 /*判断文件是否关闭成功*/ 
            printf("O,K");         /*提示关闭成功*/ 
          else 
            puts("File close error");/*提示关闭不成功*/ 
//播放的视频尺寸为176 X 144，建立一个frame的缓冲区
        unsigned char *imgYUV = new unsigned char [176*144*3];//176*144=25344
          double Y,U,V,C,D,E;
          unsigned char R,G,B;
          int width,height,j,k;
          //得到绘图句柄
        CClientDC dc (this);
        width=176;
        height=144;
        //打开文件
        fp=fopen("foreman_part_qcif_444.yuv", "rb");  /*打开当前目录名为foreman_part_qcif_444.yuv的文件只读*/ 
//读取文件，每次读一桢
        while (fread(imgYUV, 1, 25344*3, fptr) > 0 ){
                for(k=0; k 235)        /* too bright (ADDED) */
                {
                        outputbits[i] = 0;                // 色调未被定义                            outputbits[i 1] = 0;        // 颜色的饱和度为0                    }
                else                /* chromatic case */
                {
                        if (intensity <= 127)        /* bottom cone (dark) */
                                saturation = (255 * (max - min)) / (max   min);
                        else        /* top cone (bright) */
                                saturation = (255 * (max - min)) / 
                                                (512 - max - min);
                        if ((saturation < 0) || (saturation > 255))
                                OutputText("Problem with saturation\n");
                        outputbits[i 1] = (unsigned char) saturation;                            if (r == max)
                                hue = (60 *(g -b))/(max - min);
        /* 颜色介于黄色与品红之间 */
                        else if (g == max)
                                hue = 60*2   (60*(b-r))/(max-min);
        /* 颜色介于青色与黄色之间 */
                        else
                                hue = 60*4   (60*(r-g))/(max-min);        
        /* 颜色介于品红与青色之间 */
                        if (hue < 0)
                                hue = hue   360;
                        if ((hue < 0) || (hue > 360))
                                OutputText("Problem with hue\n");
                        temp = (255 * hue) / 360;
                        outputbits[i] = (unsigned char) temp;
                }
        }
        return(outputbits);
}
//关闭文件
        fclose(fptr);
} ")