Win8Metro(C#)数字图像处理--2.17图像木刻效果

原文:Win8Metro(C#)数字图像处理--2.17图像木刻效果



[函数名称]

图像木刻效果函数WoodCutProcess(WriteableBitmap
src)

[函数代码]

///<summary>

///
Wood cut process.

///</summary>

///<param
name="src">Source image.</param>

///<returns></returns>

publicstaticWriteableBitmap
WoodCutProcess(WriteableBitmap src)////17木刻处理

{

if(src!=null
)

{

int
w = src.PixelWidth;

int
h = src.PixelHeight;

WriteableBitmap
woodcutImage =newWriteableBitmap(w,h);

byte[]
temp = src.PixelBuffer.ToArray();

int
tempRGB = 0;

for
(int i = 0; i < temp.Length; i += 4)

{

tempRGB = (int)((temp[i]
+ temp[i + 1] + temp[i + 2]) / 3);

temp[i] = (byte)(tempRGB
> 122.5 ? 0 : 255);

temp[i + 1] = (byte)(tempRGB
> 122.5 ? 0 : 255);

temp[i + 2] = (byte)(tempRGB
> 122.5 ? 0 : 255);

tempRGB = 0;

}

Stream
sTemp = woodcutImage.PixelBuffer.AsStream();

sTemp.Seek(0,
SeekOrigin.Begin);

sTemp.Write(temp, 0, w * 4 * h);

return
woodcutImage;

}

else

{

returnnull;

}

}

[图像效果]