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Invert Alpha


Mike Ryan

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Invert Alpha

A Simple Plugin to Invert the Alpha Channel

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Invert Alpha is a simple plugin that inverts your Alpha Channel based off of your set tolerance. This plugin is most useful when dealing with transparency gradients, creating alpha masks, and more. To use this plugin, simply extract the zip file to your Effects folder and restart Paint.NET. Then go to Adjustments-> Invert Alpha. Toying with the tolerance is recommended to discover some more interesting uses for this plugin.

invertalpha.png

 

Edited by toe_head2001
Reattached Zip
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Your first real plugin! Hurrah!

I expect Liquefy next :P

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[i write plugins and stuff]

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Also, I want to give my thanks to Pyrochild for helping me out with this basic plugin.

Don't say that - people will think it's another prank!

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[i write plugins and stuff]

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Lol, then I also want to say this is NOT a prank.

Also, thanks to BoltBait for publishing Code Lab and making my first plugin possible :wink:

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Good plugin, mostly I just use a transparent gradient, I don't really change it around, but congrats on the plugin.

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The trick to flying is throwing yourself at the floor and missing.

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TrueLove, while it is a basic plugin I would prefer that the source to any or all of my plugins be distributed solely by me. But I am glad that you enjoy using this plugin, and I hope it is a good start for future plugins from me.

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Sorry if something going wrong, I've just wrote this source by myself to recreate your work. That's will not happen again.

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...?

What bug? Who is buggin around?

Anyways, this plugin is going to be superseded soon with some extra features. It will be entitled 'Alpha Works' and I wish I could confirm some extra features. Until then, good night to you all!

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Don't know right I'm or not, but this is new Utility.ClampToByte() code:

#region UICode
int Amount1 = 0; // [0,255] Transparensy
#endregion

void Render(Surface dst, Surface src, Rectangle rect)
{
   PdnRegion selectionRegion = EnvironmentParameters.GetSelection(src.Bounds);
   ColorBgra CurrentPixel;
   int R, G, B;
   byte A;
   for(int y = rect.Top; y < rect.Bottom; y++)
   {
       for (int x = rect.Left; x < rect.Right; x++)
       {
               CurrentPixel = src[x,y];
               R = (int)CurrentPixel.R;
               G = (int)CurrentPixel.G;
               B = (int)CurrentPixel.B;
               A = (byte)(int)(Amount1 - CurrentPixel.A);
               dst[x,y] = ColorBgra.FromBgra(Utility.ClampToByte(,Utility.ClampToByte(G),Utility.ClampToByte(R),Utility.ClampToByte(A));
       }
   }
}

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Alright, Alpha Works is finished but not compiled yet. I need Code Lab to start behaving correctly and I will make the big upload.

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Alright, Alpha Works is finished but not compiled yet. I need Code Lab to start behaving correctly and I will make the big upload.

CodeLab is fine. It's your script... Don't use anything but alphanumeric characters in the .cs file name of your effect. CodeLab uses that filename as your namespace... "namespaces" must be alphanumeric without spaces. I have added a note about this to CodeLab's help file.

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