Color Range effect

[ReMake]

This plugin can be useful for selecting objects in the image or for creation a color mask of object. The plugin is based on the script of Color Target plugin by @rwp80.

 

You can find it: Effects -> Color -> Color Range

 

Download from my PluginPack

 

This effect allows you to create a color mask of object in the image. You can then select the object using Magic Wand ( ) for further work with him.

 

 

See short tutorial and examples of effect's work in the Color Range Test topic.

 

CodeLab script:

Spoiler

// Name: Color Range
// Submenu: Color
// Author: ReMake
// Title: Color Range v1.0    ReMake 2016
// Version: 1.0
// Desc:
// Keywords: paint.net|effect|color|range|color range
// URL: http://www.getpaint.net/redirect/plugins.html
#region UICode
byte Amount1 = 0; // Color|Custom|Red|Yellow|Green|Cyan|Blue|Magenta|White|Grey|Black
ColorBgra Amount2 = ColorBgra.FromBgr(0, 0, 0); //
int Amount3 = 225; // [0,255] Color Threshold
int Amount4 = 255; // [0,255] Brightness Tolerance
#endregion

void Render(Surface dst, Surface src, Rectangle rect)
{
    ColorBgra CurrentPixel;
    int R, G, B, A, CR, CG, CB, GtR, GtB, CGtR, CGtB;
    int ColThr = Amount3;
    int BriTol = Amount4;

    for (int y = rect.Top; y < rect.Bottom; y++)
    {
        if (IsCancelRequested) return;
        for (int x = rect.Left; x < rect.Right; x++)
        {
            CurrentPixel = src[x, y];
            CR = CG = CB = 0;
            B = CurrentPixel.B;
            G = CurrentPixel.G;
            R = CurrentPixel.R;
            A = CurrentPixel.A;
            switch (Amount1)
            {
                case 0: // Custom
                    CB = Amount2.B;
                    CG = Amount2.G;
                    CR = Amount2.R;
                    break;
                case 1: // Red
                    CR = 255;
                    break;
                case 2: // Yellow
                    CR = CG = 255;
                    break;
                case 3: // Green
                    CG = 128;
                    break;
                case 4: // Cyan
                    CG = CB = 255;
                    break;
                case 5: // Blue
                    CB = 255;
                    break;             
                case 6: // Magenta
                    CR = CB = 255;
                    break;
                case 7: // White
                    CR = CG = CB = 255;
                    break;
                case 8: // Grey
                    CR = CG = CB = 128;
                    break;
                case 9: // Black
                    CR = CG = CB = 0;
                    break;
            }

            GtR = R - G;
            GtB = B - G;
            CGtR = CR - CG;
            CGtB = CB - CG;

            if ((GtR <= CGtR - ColThr) || (GtR >= CGtR + ColThr) || (GtB <= CGtB - ColThr) || (GtB >= CGtB + ColThr) || (B <= CB - BriTol) || (B >= CB + BriTol) || (G <= CG - BriTol) || (G >= CG + BriTol) || (R <= CR - BriTol) || (R >= CR + BriTol))
            {
                A = 0;
            }

            CurrentPixel = ColorBgra.FromBgra(
              Int32Util.ClampToByte((int)CB),
              Int32Util.ClampToByte((int)CG),
              Int32Util.ClampToByte((int)CR),
              Int32Util.ClampToByte((int)A));

            dst[x, y] = CurrentPixel;
        }
    }
}

 

and icon: 

 

Examples of effect's technique you can found in How To Use Color Range effect topic.

 

Примеры работы эффекта и приемы работы с ним вы можете посмотреть в уроке Как использовать эффект 'Цветовой диапазон'.

 

[Hypure]

I have a feeling this is going to come in very handy...

[AgentGoodspeed]

Good job!

I don't know if it's a bug or I'm using it wrong but it even though I used the color picker, the color doesn't appear in the plug-in, it defaults to white.

[toe_head2001]

I looked at the source code, and I am wondering: why are you using the double type for the color channels? Surely the int type would be sufficient, as there aren't any operations in the script that would produce numbers with decimal places.

[Maximilian]

Hmm, I'm experiencing the same situation described above by AgentGoodSpeed.

[ReMake]

... but it even though I used the color picker, the color doesn't appear in the plug-in, it defaults to white.

 

Hmm, I'm experiencing the same situation described above by AgentGoodSpeed.

 

Fixed. Primary color now color by default.

 

I looked at the source code, and I am wondering: why are you using the double type for the color channels? Surely the int type would be sufficient, as there aren't any operations in the script that would produce numbers with decimal places.

 

I'll work on it today. Thanks for the tip.

[Maximilian]

Thanks for the quick fix!

[Nai]

Congratulations, ReMake ! I like this plugin. It helps me in extracting images and so many purposes.

[ReMake]

An unfortunate spelling error. My apologies to anyone who downloaded the English version of the effect. Re-download the fixed version, please. Thank to all for your comments, remarks and tips.

[AgentGoodspeed]

Works now, thanks

[lynxster4]

ReMake, this plugin is WONDERFUL!  It's easy to use and with very little tweaking, it achieves a near flawless recoloring. It just looks so smooth.....no splotches!

 

 

 

Thank you, ReMake!                        

Edited July 27, 2017 by lynxster4
re-hosted image

[ReMake]

Fixed color selection error in the English version. Update this plugin from first post, please.

[MartinOK]

Why isnt there any "Skin tones" in this funtion?

Like if you wanna remove the skintone from a tattoo.. Like you can do in photoshop

[ReMake]

Use the Color Picker () Tool to define the skin tone as the Primary (left click) or Secondary (right click) color. When the effect is applied, your color will be saved or removed accordingly.

[Seerose]

 @ReMake!

 

Thank you very much for your effort.  

[ReMake]

Version 1.1 released.

• Added 'Show Original Image' checkbox.
• Added Help file.

User Interface and Help file are available in English and Russian.

[Seerose]

 @ReMake!

 

Thank you so much for the new version and your effort.