private void ApplyFilter(bool preview)
{
cmbInvertColoursType.Enabled = chkInvertColours.Checked;
cmbFilterType.Enabled = chkSwapColours.Checked;
lblFixedValue.Text = "Fixed Value: " + trcFixedValue.Value.ToString();
Bitmap bitmapResult = null;
if (picSource.Image == null)
{
return;
}
if (preview == true)
{
bitmapResult = new Bitmap(picSource.Image);
}
else
{
bitmapResult = new Bitmap(sourceBitmap);
}
if (bitmapResult == null)
{
return;
}
if (chkFlipPixels.Checked == true)
{
bitmapResult = bitmapResult.FlipPixels();
}
if (chkInvertColours.Checked == true)
{
ColourInversionType inversionType = (ColourInversionType)cmbInvertColoursType.SelectedItem;
bitmapResult = bitmapResult.InvertColors(inversionType);
}
if (chkSwapColours.Checked == true)
{
ColourSwapType swapType = (ColourSwapType)cmbFilterType.SelectedItem;
bitmapResult = bitmapResult.SwapColors(swapType, (byte)trcFixedValue.Value);
}
if (bitmapResult != null)
{
if (preview == true)
{
picResult.Image = bitmapResult;
}
else
{
resultBitmap = bitmapResult;
}
}
}
public static Bitmap InvertColors(Bitmap sourceImage, ColourInversionType inversionType)
{
List <pixel> pixelListSource = imageFunctions.GetPixelListFromBitmap(sourceImage);
List <pixel> pixelListResult = null;
byte byte255 = 255;
switch (inversionType)
{
case ColourInversionType.All:
{
pixelListResult =
(from t in pixelListSource
select new pixel
{
blue = (byte)(byte255 - t.blue),
red = (byte)(byte255 - t.red),
green = (byte)(byte255 - t.green),
alpha = t.alpha,
}).ToList();
//foreach (pixel item in pixelListSource)
//{
// byte[] x = item.GetColorBytes();
// int coX = item.pixelX;
// int coY = item.pixelY;
// x[0] = (byte)(byte255 - x[0]);
// x[1] = (byte)(byte255 - x[1]);
// x[2] = (byte)(byte255 - x[2]);
// pixelListResult.Add(new pixel(x,coX,coY));
//}
break;
}
case ColourInversionType.Blue:
{
pixelListResult =
(from t in pixelListSource
select new pixel
{
blue = (byte)(byte255 - t.blue),
red = t.red,
green = t.green,
alpha = t.alpha,
}).ToList();
break;
}
case ColourInversionType.Green:
{
pixelListResult =
(from t in pixelListSource
select new pixel
{
blue = t.blue,
red = t.red,
green = (byte)(byte255 - t.green),
alpha = t.alpha,
}).ToList();
break;
}
case ColourInversionType.Red:
{
pixelListResult =
(from t in pixelListSource
select new pixel
{
blue = t.blue,
red = (byte)(byte255 - t.green),
green = t.green,
alpha = t.alpha,
}).ToList();
break;
}
case ColourInversionType.BlueRed:
{
pixelListResult =
(from t in pixelListSource
select new pixel
{
blue = (byte)(byte255 - t.blue),
red = (byte)(byte255 - t.red),
green = t.green,
alpha = t.alpha,
}).ToList();
break;
}
case ColourInversionType.BlueGreen:
{
pixelListResult =
(from t in pixelListSource
select new pixel
{
blue = (byte)(byte255 - t.blue),
red = t.red,
green = (byte)(byte255 - t.green),
alpha = t.alpha,
}).ToList();
break;
}
case ColourInversionType.RedGreen:
{
pixelListResult =
(from t in pixelListSource
select new pixel
{
blue = t.blue,
red = (byte)(byte255 - t.blue),
green = (byte)(byte255 - t.green),
alpha = t.alpha,
}).ToList();
break;
}
}
Bitmap resultBitmap = imageFunctions.GetBitmapFromPixelList(pixelListResult,
sourceImage.Width, sourceImage.Height);
return(resultBitmap);
}
public static Bitmap InvertColors(this Bitmap sourceImage,
ColourInversionType inversionType)
{
List <ArgbPixel> pixelListSource = GetPixelListFromBitmap(sourceImage);
List <ArgbPixel> pixelListResult = null;
byte byte255 = 255;
switch (inversionType)
{
case ColourInversionType.All:
{
pixelListResult =
(from t in pixelListSource
select new ArgbPixel
{
blue = (byte)(byte255 - t.blue),
red = (byte)(byte255 - t.red),
green = (byte)(byte255 - t.green),
alpha = t.alpha,
}).ToList();
break;
}
case ColourInversionType.Blue:
{
pixelListResult =
(from t in pixelListSource
select new ArgbPixel
{
blue = (byte)(byte255 - t.blue),
red = t.red,
green = t.green,
alpha = t.alpha,
}).ToList();
break;
}
case ColourInversionType.Green:
{
pixelListResult =
(from t in pixelListSource
select new ArgbPixel
{
blue = t.blue,
red = t.red,
green = (byte)(byte255 - t.green),
alpha = t.alpha,
}).ToList();
break;
}
case ColourInversionType.Red:
{
pixelListResult =
(from t in pixelListSource
select new ArgbPixel
{
blue = t.blue,
red = (byte)(byte255 - t.green),
green = t.green,
alpha = t.alpha,
}).ToList();
break;
}
case ColourInversionType.BlueRed:
{
pixelListResult =
(from t in pixelListSource
select new ArgbPixel
{
blue = (byte)(byte255 - t.blue),
red = (byte)(byte255 - t.red),
green = t.green,
alpha = t.alpha,
}).ToList();
break;
}
case ColourInversionType.BlueGreen:
{
pixelListResult =
(from t in pixelListSource
select new ArgbPixel
{
blue = (byte)(byte255 - t.blue),
red = t.red,
green = (byte)(byte255 - t.green),
alpha = t.alpha,
}).ToList();
break;
}
case ColourInversionType.RedGreen:
{
pixelListResult =
(from t in pixelListSource
select new ArgbPixel
{
blue = t.blue,
red = (byte)(byte255 - t.blue),
green = (byte)(byte255 - t.green),
alpha = t.alpha,
}).ToList();
break;
}
}
Bitmap resultBitmap = GetBitmapFromPixelList(pixelListResult,
sourceImage.Width, sourceImage.Height);
return(resultBitmap);
}