WPF：图像处理（二）灰度化(6)

            } 
 
            // 从灰度数据中创建灰度图像 
            return BitmapSource.Create(PixelWidth, PixelHeight, 96, 96, PixelFormats.Indexed8, BitmapPalettes.Gray256, Pixels, Stride); 
        } 
 
        /// <summary> 
        /// 将二值化数组转换为二值化图像 
        /// </summary> 
        /// <param name="binaryArray">二值化数组</param> 
        /// <returns>二值化图像</returns> 
        public static BitmapSource BinaryArrayToBinaryBitmap(Byte[,] binaryArray) 
        {   // 将二值化数组转换为二值化数据 
            Int32 PixelHeight = binaryArray.GetLength(0); 
            Int32 PixelWidth = binaryArray.GetLength(1); 
            Int32 Stride = ((PixelWidth + 31) >> 5) << 2; 
            Byte[] Pixels = new Byte[PixelHeight * Stride]; 
            for (Int32 i = 0; i < PixelHeight; i++) 
            { 
                Int32 Base = i * Stride; 
                for (Int32 j = 0; j < PixelWidth; j++) 
                { 
                    if (binaryArray[i, j] != 0) 
                    { 
                        Pixels[Base + (j >> 3)] |= Convert.ToByte(0x80 >> (j & 0x7)); 
                    } 
                } 
            }