public static Bitmap ApplyConv(Bitmap b, ConvMask m)
{
if (m.factor == 0)
return b;
Bitmap OutPutImage;
OutPutImage = (Bitmap)b.Clone();
BitmapData bData = b.LockBits(new Rectangle(0, 0, b.Width, b.Height), System.Drawing.Imaging.ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
//BitmapData copyData=b.LockBits(new Rectangle(0,0,OutPutImage.Width,OutPutImage.Height),ImageLockMode.ReadWrite,tengahFormat.Format24bppRgb);
BitmapData copyData = OutPutImage.LockBits(new Rectangle(0, 0, OutPutImage.Width, OutPutImage.Height), ImageLockMode.ReadWrite, PixelFormat.Format24bppRgb);
int stride = bData.Stride;
int stride2 = stride * 2;
System.IntPtr ptr = bData.Scan0;
System.IntPtr ptrOutPut = copyData.Scan0;
unsafe
{
byte* p = (byte*)(void*)ptr;
byte* pOutPut = (byte*)(void*)ptrOutPut;
int noffset = stride - b.Width * 3;
int nWidth = b.Width - 2;
int nHeight = b.Height - 2;
int ntengah;
for (int x = 0; x < nWidth; x++)
for (int y = 0; y < nHeight; y++)
{
ntengah = (((pOutPut[2] * m.atasKiri) + (pOutPut[5] * m.atasTengah) + (pOutPut[8] * m.atasKanan) +
(pOutPut[stride + 2] * m.tengahKiri) + (pOutPut[stride + 5] * m.tengah) + (pOutPut[stride + 8] * m.tengahKanan)
+ (pOutPut[stride2 + 2] * m.bawahKiri) + (pOutPut[stride2 + 5] * m.bawahTengah) + (pOutPut[stride2 + 8] * m.bawahKanan)) / m.factor) + m.offset;
if (ntengah < 0) ntengah = 0;
if (ntengah > 255) ntengah = 255;
pOutPut[5 + stride] = (byte)ntengah;
ntengah = ((((pOutPut[1] * m.atasKiri) + (pOutPut[4] * m.atasTengah) +
(pOutPut[7] * m.atasKanan) + (pOutPut[1 + stride] * m.tengahKiri) +
(pOutPut[4 + stride] * m.tengah) + (pOutPut[7 + stride] * m.tengahKanan) +
(pOutPut[1 + stride2] * m.bawahKiri) +
(pOutPut[4 + stride2] * m.bawahTengah) +
(pOutPut[7 + stride2] * m.bawahKanan))
/ m.factor) + m.offset);
if (ntengah < 0) ntengah = 0;
if (ntengah > 255) ntengah = 255;
p[4 + stride] = (byte)ntengah;
ntengah = ((((pOutPut[0] * m.atasKiri) + (pOutPut[3] * m.atasTengah) +
(pOutPut[6] * m.atasKanan) + (pOutPut[0 + stride] * m.tengahKiri) +
(pOutPut[3 + stride] * m.tengah) +
(pOutPut[6 + stride] * m.tengahKanan) +
(pOutPut[0 + stride2] * m.bawahKiri) +
(pOutPut[3 + stride2] * m.bawahTengah) +
(pOutPut[6 + stride2] * m.bawahKanan))
/ m.factor) + m.offset);
if (ntengah < 0) ntengah = 0;
if (ntengah > 255) ntengah = 255;
p[3 + stride] = (byte)ntengah;
p += 3;
pOutPut += 3;
}
p += noffset;
pOutPut += noffset;
}
b.UnlockBits(bData);
OutPutImage.UnlockBits(copyData);
return OutPutImage;
}
private void Convolution_Click(object sender, EventArgs e)
{
if (original.Image == null)
{
MessageBox.Show("Load Gambar Terlebih Dahulu","Incomplete Procedure Detected",MessageBoxButtons.OK);
}
else
{
ConvMask mask = new ConvMask();
//Convolution cv = new Convolution();
mask.setAll(1);
result.Image = Konvolusi.ApplyConv(new Bitmap(original.Image), mask);
}
}
public static Bitmap ApplyConv(Bitmap b, ConvMask m)
{
if (m.factor == 0)
{
return(b);
}
Bitmap OutPutImage;
OutPutImage = (Bitmap)b.Clone();
BitmapData bData = b.LockBits(new Rectangle(0, 0, b.Width, b.Height), System.Drawing.Imaging.ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
//BitmapData copyData=b.LockBits(new Rectangle(0,0,OutPutImage.Width,OutPutImage.Height),ImageLockMode.ReadWrite,tengahFormat.Format24bppRgb);
BitmapData copyData = OutPutImage.LockBits(new Rectangle(0, 0, OutPutImage.Width, OutPutImage.Height), ImageLockMode.ReadWrite, PixelFormat.Format24bppRgb);
int stride = bData.Stride;
int stride2 = stride * 2;
System.IntPtr ptr = bData.Scan0;
System.IntPtr ptrOutPut = copyData.Scan0;
unsafe
{
byte *p = (byte *)(void *)ptr;
byte *pOutPut = (byte *)(void *)ptrOutPut;
int noffset = stride - b.Width * 3;
int nWidth = b.Width - 2;
int nHeight = b.Height - 2;
int ntengah;
for (int x = 0; x < nWidth; x++)
{
for (int y = 0; y < nHeight; y++)
{
ntengah = (((pOutPut[2] * m.atasKiri) + (pOutPut[5] * m.atasTengah) + (pOutPut[8] * m.atasKanan) +
(pOutPut[stride + 2] * m.tengahKiri) + (pOutPut[stride + 5] * m.tengah) + (pOutPut[stride + 8] * m.tengahKanan)
+ (pOutPut[stride2 + 2] * m.bawahKiri) + (pOutPut[stride2 + 5] * m.bawahTengah) + (pOutPut[stride2 + 8] * m.bawahKanan)) / m.factor) + m.offset;
if (ntengah < 0)
{
ntengah = 0;
}
if (ntengah > 255)
{
ntengah = 255;
}
pOutPut[5 + stride] = (byte)ntengah;
ntengah = ((((pOutPut[1] * m.atasKiri) + (pOutPut[4] * m.atasTengah) +
(pOutPut[7] * m.atasKanan) + (pOutPut[1 + stride] * m.tengahKiri) +
(pOutPut[4 + stride] * m.tengah) + (pOutPut[7 + stride] * m.tengahKanan) +
(pOutPut[1 + stride2] * m.bawahKiri) +
(pOutPut[4 + stride2] * m.bawahTengah) +
(pOutPut[7 + stride2] * m.bawahKanan))
/ m.factor) + m.offset);
if (ntengah < 0)
{
ntengah = 0;
}
if (ntengah > 255)
{
ntengah = 255;
}
p[4 + stride] = (byte)ntengah;
ntengah = ((((pOutPut[0] * m.atasKiri) + (pOutPut[3] * m.atasTengah) +
(pOutPut[6] * m.atasKanan) + (pOutPut[0 + stride] * m.tengahKiri) +
(pOutPut[3 + stride] * m.tengah) +
(pOutPut[6 + stride] * m.tengahKanan) +
(pOutPut[0 + stride2] * m.bawahKiri) +
(pOutPut[3 + stride2] * m.bawahTengah) +
(pOutPut[6 + stride2] * m.bawahKanan))
/ m.factor) + m.offset);
if (ntengah < 0)
{
ntengah = 0;
}
if (ntengah > 255)
{
ntengah = 255;
}
p[3 + stride] = (byte)ntengah;
p += 3;
pOutPut += 3;
}
}
p += noffset;
pOutPut += noffset;
}
b.UnlockBits(bData);
OutPutImage.UnlockBits(copyData);
return(OutPutImage);
}
