[函数名称]
图像雾化 AtomizationProcess(WriteableBitmap src,int v)
[算法说明]
<strong> /// <summary>
/// Atomization process.
/// </summary>
/// <param name="src">The source image.</param>
/// <param name="v">The threshould to control the effect of atomization.</param>
/// <returns></returns>
public static WriteableBitmap AtomizationProcess(WriteableBitmap src,int v)////45图像雾化
{
if (src != null)
{
int w = src.PixelWidth;
int h = src.PixelHeight;
WriteableBitmap srcImage = new WriteableBitmap(w, h);
byte[] temp = src.PixelBuffer.ToArray();
byte[] tempMask = (byte[])temp.Clone();
Random ran = new Random();
int k = 0;
int dx = 0;
int dy = 0;
for (int j = 0; j < h; j++)
{
for (int i = 0; i < w; i ++)
{
k = ran.Next(v);
dx = (i + k) >= w ? w - 1 : (i + k);
dy = (j + k) >= h ? h - 1 : (j + k);
temp[i * 4 + j * w * 4] = (byte)tempMask[dx * 4 + dy * w * 4];
temp[i * 4 + 1 + j * w * 4] = (byte)tempMask[dx * 4 + 1 + dy * w * 4];
temp[i * 4 + 2 + j * w * 4] = (byte)tempMask[dx * 4 + 2 + dy * w * 4];
}
}
Stream sTemp = srcImage.PixelBuffer.AsStream();
sTemp.Seek(0, SeekOrigin.Begin);
sTemp.Write(temp, 0, w * 4 * h);
return srcImage;
}
else
{
return null;
}
}</strong>
[图像效果]
