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Merge pull request #4915 from L1Q/master

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Add RGB Split image effect
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Jaex 2020-07-03 13:33:55 +03:00 committed by GitHub
parent 299eb31bd9 a05db9b66a
commit c6e99f495a
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70
ShareX.ImageEffectsLib/Filters/RGBSplit.cs Normal file
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@ -0,0 +1,70 @@
#region License Information (GPL v3)
/*
ShareX - A program that allows you to take screenshots and share any file type
Copyright (c) 2007-2020 ShareX Team
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
Optionally you can also view the license at <http://www.gnu.org/licenses/>.
*/
#endregion License Information (GPL v3)
using ShareX.HelpersLib;
using System.ComponentModel;
using System.Drawing;
using System.Drawing.Imaging;
namespace ShareX.ImageEffectsLib
{
[Description("RGB Split")]
internal class RGBSplit : ImageEffect
{
[DefaultValue(typeof(Point), "5, 0")]
public Point OffsetRed { get; set; }
[DefaultValue(typeof(Point), "0, 0")]
public Point OffsetGreen { get; set; }
[DefaultValue(typeof(Point), "-5, 0")]
public Point OffsetBlue { get; set; }
public override Bitmap Apply(Bitmap bmp)
{
Bitmap bmpResult = bmp.CreateEmptyBitmap();
using (UnsafeBitmap source = new UnsafeBitmap(bmp, true, ImageLockMode.ReadOnly))
using (UnsafeBitmap dest = new UnsafeBitmap(bmpResult, true, ImageLockMode.WriteOnly))
{
for (int y = 0; y < dest.Height; y++)
{
for (int x = 0; x < dest.Width; x++)
{
ColorBgra colorR = source.GetPixel(MathHelpers.Clamp(x + OffsetRed.X, 0, dest.Width - 1), MathHelpers.Clamp(y + OffsetRed.Y, 0, dest.Height - 1));
ColorBgra colorG = source.GetPixel(MathHelpers.Clamp(x + OffsetGreen.X, 0, dest.Width - 1), MathHelpers.Clamp(y + OffsetGreen.Y, 0, dest.Height - 1));
ColorBgra colorB = source.GetPixel(MathHelpers.Clamp(x + OffsetBlue.X, 0, dest.Width - 1), MathHelpers.Clamp(y + OffsetBlue.Y, 0, dest.Height - 1));
byte colorR_alpha = colorR.Alpha;
byte colorG_alpha = colorG.Alpha;
byte colorB_alpha = colorB.Alpha;
byte colorA = (byte)((colorR_alpha / 3 + colorG_alpha / 3 + colorB_alpha / 3));
ColorBgra shiftedcolor = new ColorBgra((byte)(colorB.Blue * colorB_alpha / 255), (byte)(colorG.Green * colorG_alpha / 255), (byte)(colorR.Red * colorR_alpha / 255), colorA);
dest.SetPixel(x, y, shiftedcolor);
}
}
}
return bmpResult;
}
}
}

1
ShareX.ImageEffectsLib/ImageEffectsForm.cs
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@ -162,6 +162,7 @@ private void AddAllEffectsToContextMenu()
typeof(MeanRemoval),
typeof(Outline),
typeof(Pixelate),
typeof(RGBSplit),
typeof(Reflection),
typeof(Shadow),
typeof(Sharpen),

1
ShareX.ImageEffectsLib/ShareX.ImageEffectsLib.csproj
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@ -119,6 +119,7 @@
<Compile Include="Filters\MatrixConvolution.cs" />
<Compile Include="Filters\MeanRemoval.cs" />
<Compile Include="Filters\Outline.cs" />
<Compile Include="Filters\RGBSplit.cs" />
<Compile Include="Filters\Pixelate.cs" />
<Compile Include="Filters\Sharpen.cs" />
<Compile Include="Filters\Slice.cs" />