for (int i = 0; i < PictureInfo->biHeight; i++) {
			unsigned tmpVal = 0;
			for (int j = 0; j < PictureInfo->biWidth; j++) {
				pixMap[i][j] = 0;

				iStream.read(helpVar, 3 * sizeof(char));    //B
				tmpVal = (unsigned char)helpVar[0];
				//average += tmpVal;
				tmpVal = tmpVal << 16;
				pixMap[i][j] += tmpVal;
				tmpVal = (unsigned char)helpVar[1];         //G
				tmpVal = tmpVal << 8;
				pixMap[i][j] += tmpVal;
				tmpVal = (unsigned char)helpVar[2];         //R
				pixMap[i][j] += tmpVal;
			}
		}