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How to make the colors more intense


xmario
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This tutorial is available as a PDF. Click here to view or download it

 

A simple way to make the colors more intense in the photo

This is a easy way to make more saturated dead colors in a photo or in a picture.

48036e.jpg

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So, we'll take a picture, to make the colors more saturated. For example, like this photo.

48038.jpg

1. Open the photo in paint.net.

2. Duplicate the layer with the photo.

3. Apply to the top layer “Adjustments” - “Black and white”.

4. Apply to the top layer “Adjustments” - “Invert Colors”.

5. Set the blending mode of the top layer - "Reflect"

For dark images in the places where they were especially dark, can appear overexposed white areas. This is easy to fix. Apply to the top layer “Adjustments” - “Curves”. Slightly move the top point down until the white illuminated areas will not be wasted.

48039e.jpg

flag.gif Description of this tutorial in Russian

One more example:

48040e.jpg

Edited by Woodsy
added PDF
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<3 @xmario!

 

You are Super MARIO! Thank you very much for your effort. :cake: :coffee:

 

17novem180.png 17novem181.png

*before                                                                                                      *after

 

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Live as if you were to die tomorrow. Learn as if you were to live forever.

Gandhi

 

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2 hours ago, Sakana Oji said:

I'd really like to make a simple plugin of this with Codelab, but I don't know the codes for "Black and White" and "Curves"

 

There is no need to apply the Curves effect. Try applying the Brightness / Contrast effect by setting one of the options to -1. In this case, creating an effect in CodeLab should not be difficult.

 

Run CodeLab -> File -> New.

Select the options as shown below and click Generate.

Intensity-template.png

 

Now you have this code:

Spoiler

// Name:
// Submenu:
// Author:
// Title:
// Version:
// Desc:
// Keywords:
// URL:
// Help:
#region UICode
IntSliderControl Amount1=10; // [-100,100] Brightness
IntSliderControl Amount2=10; // [-100,100] Contrast
#endregion

// Setup for calling the Brightness and Contrast Adjustment function
BrightnessAndContrastAdjustment bacAdjustment = new BrightnessAndContrastAdjustment();
PropertyCollection bacProps;

// Setup for using pixel op
private UnaryPixelOps.Desaturate desaturateOp = new UnaryPixelOps.Desaturate();
private UnaryPixelOps.Invert invertOp = new UnaryPixelOps.Invert();

// Setup for using Reflect blend op
private BinaryPixelOp reflectOp = LayerBlendModeUtil.CreateCompositionOp(LayerBlendMode.Reflect);

protected override void OnDispose(bool disposing)
{
    if (disposing)
    {
        // Release any surfaces or effects you've created.
        if (bacAdjustment != null) bacAdjustment.Dispose();
        bacAdjustment = null;
    }

    base.OnDispose(disposing);
}

void PreRender(Surface dst, Surface src)
{
    bacProps = bacAdjustment.CreatePropertyCollection();
    PropertyBasedEffectConfigToken bacParameters = new PropertyBasedEffectConfigToken(bacProps);
    bacParameters.SetPropertyValue(BrightnessAndContrastAdjustment.PropertyNames.Brightness, Amount1);
    bacParameters.SetPropertyValue(BrightnessAndContrastAdjustment.PropertyNames.Contrast, Amount2);
    bacAdjustment.SetRenderInfo(bacParameters, new RenderArgs(dst), new RenderArgs(src));
}

// Here is the main render loop function
void Render(Surface dst, Surface src, Rectangle rect)
{
    // Call the Brightness and Contrast Adjustment function
    bacAdjustment.Render(new Rectangle[1] {rect},0,1);

    // Now in the main render loop, the dst canvas has an adjusted version of the src canvas
    for (int y = rect.Top; y < rect.Bottom; y++)
    {
        if (IsCancelRequested) return;
        for (int x = rect.Left; x < rect.Right; x++)
        {
            ColorBgra CurrentPixel = dst[x,y];

            // TODO: Add additional pixel processing code here
            CurrentPixel = desaturateOp.Apply(CurrentPixel);

            CurrentPixel = reflectOp.Apply(src[x,y], CurrentPixel);

            CurrentPixel = invertOp.Apply(CurrentPixel);

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

 

 

Move line "CurrentPixel = reflectOp.Apply(src[x,y], CurrentPixel);" under line "CurrentPixel = invertOp.Apply(CurrentPixel);"

Replace Amount1 and Amount2 with 0 and -1 respectively in these lines:

bacParameters.SetPropertyValue(BrightnessAndContrastAdjustment.PropertyNames.Brightness, 0);
bacParameters.SetPropertyValue(BrightnessAndContrastAdjustment.PropertyNames.Contrast, -1);

 

You can now remove the Amount1 and Amount2 controls - you will no longer need them.

Fill in the commented lines at the top of the codes, for example:

Spoiler

// Name: Colors Intensity
// Submenu: Color
// Author:
// Title: Colors Intensity
// Version: 1.0
// Desc: Give the picture an intense colors
// Keywords: intensity|color
// URL: http://www.getpaint.net/redirect/plugins.html

 

and save your effect.

 

I hope it's not difficult.

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2 hours ago, toe_head2001 said:

We can't help you fix the issue by just seeing the Error message. Please post the code you're using in CodeLab. You must have gone wrong somewhere...

 

Please publish your code (while in the CodeLab text editor, do Ctrl+A then Ctrl+C and paste your code into the message here).

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15 minutes ago, ReMake said:

 

Please publish your code (while in the CodeLab text editor, do Ctrl+A then Ctrl+C and paste your code into the message here).

Here you go:

// Name: Color Intensifier
// Submenu: Color
// Author: Sakana Oji
// Title: Color Intensifier
// Version: 1.0
// Desc: Intensifies the colors of the picture
// Keywords: intensity|color
// URL: http://www.getpaint.net/redirect/plugins.html
// Help:
#region UICode
#endregion

// Setup for calling the Brightness and Contrast Adjustment function
BrightnessAndContrastAdjustment bacAdjustment = new BrightnessAndContrastAdjustment();
PropertyCollection bacProps;

// Setup for using pixel op
private UnaryPixelOps.Desaturate desaturateOp = new UnaryPixelOps.Desaturate();
private UnaryPixelOps.Invert invertOp = new UnaryPixelOps.Invert();

// Setup for using Reflect blend op
private BinaryPixelOp reflectOp = LayerBlendModeUtil.CreateCompositionOp(LayerBlendMode.Reflect);

protected override void OnDispose(bool disposing)
{
    // Release any surfaces or effects you've created.
    if (bacAdjustment != null) bacAdjustment.Dispose();
    bacAdjustment = null;
    base.OnDispose(disposing);
}

void PreRender(Surface dst, Surface src)
{
    bacProps = bacAdjustment.CreatePropertyCollection();
    PropertyBasedEffectConfigToken bacParameters = new PropertyBasedEffectConfigToken(bacProps);
    bacParameters.SetPropertyValue(BrightnessAndContrastAdjustment.PropertyNames.Brightness, 0);
    bacParameters.SetPropertyValue(BrightnessAndContrastAdjustment.PropertyNames.Contrast, -1);
    bacAdjustment.SetRenderInfo(bacParameters, new RenderArgs(dst), new RenderArgs(src));
}

// Here is the main render loop function
void Render(Surface dst, Surface src, Rectangle rect)
{
    // Call the Brightness and Contrast Adjustment function
    bacAdjustment.Render(new Rectangle[1] {rect},0,1);

    // Now in the main render loop, the dst canvas has an adjusted version of the src canvas
    for (int y = rect.Top; y < rect.Bottom; y++)
    {
        if (IsCancelRequested) return;
        for (int x = rect.Left; x < rect.Right; x++)
        {
            ColorBgra CurrentPixel = dst[x,y];

            // TODO: Add additional pixel processing code here
            CurrentPixel = desaturateOp.Apply(CurrentPixel);

            CurrentPixel = invertOp.Apply(CurrentPixel);

            CurrentPixel = reflectOp.Apply(src[x,y], CurrentPixel);

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

 

I don't know how to do that "codie-thingy" by the way

Big McThankies From McSpankies!

sakana sig resized.png

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  • 3 months later...
8 hours ago, Robert Smith said:

Thanks for the tutorial. But it would be great if you share some video tutorial. It will help us to understand the processes very easily.

If you hover your mouse over @xmario's avatar you'll see that he hasn't logged in for over two years. It appears that he might be among the disappearing members 

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@Robert Smith, if you looks to paint.net documentation, this tutorial should not cause you any problems. This is a very,very simple tutorial - just a few clicks.

 

Open your image (Ctrl+O).

Duplicate Layer (Ctrl+Shift+D), desaturate (Ctrl+Shift+G), and invert it (Ctrl+Shift+I).

Click F4 and select Reflect Blending Mode for this layer.

Run Brightness / Contrast adjustment (Ctrl+Shift+T), set one of the controls (Brightness or Contrast) to -1 and merge layers (Ctrl+M).

That's all. Hope this was helpful.

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