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TR's HDR-ish

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TechnoRobbo's HDR-ish


HDR style results - smooths out the transitions between light and dark.

makes a dull picture less dull


PDN 3.5 compatible (updated)










The Codelab Code

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// Submenu: Color

// Name: TR's HDR-ish

// Title: TR's HDR-ish- v1.0

// Author: TechnoRobbo

#region UICode

int Amount1 = 2; // [1,5] Intensity

double Amount2 = 0; // [0,20] High Limit



void Render(Surface dst, Surface src, Rectangle rect)


    ColorBgra CP;

    int tmp =0;

    for (int y = rect.Top; y < rect.Bottom; y++)


        for (int x = rect.Left; x < rect.Right; x++)


            double accum = 0;

            double divider = 0;

            for (int i = 1 - Amount1 ;i <Amount1; i++)


                for (int j = 1 - Amount1 ;j <Amount1; j++)


                    CP = src.GetBilinearSampleClamped(x + j,y + i);


                    HsvColor hsv = HsvColor.FromColor(CP.ToColor());

                    accum += hsv.Value;




            CP = src[x,y];

            HsvColor hsv2 = HsvColor.FromColor(CP.ToColor());

            divider += Amount2;

            divider = (divider <= 1) ? 1 : divider;

            double newV = accum / divider;

            newV -= (1-hsv2.Value);

            newV = (newV < 0) ? 0 : (newV > 100) ? 100: newV;

            hsv2 = new HsvColor(hsv2.Hue,hsv2.Saturation,(int)newV);

            ColorBgra NP = ColorBgra.FromColor(hsv2.ToColor());

            dst[x,y] = NP;





Edited by TechnoRobbo
  • Upvote 2

Go out there and be amazing. Have Fun, TR
Some Pretty Pictures Some Cool Plugins

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  • 3 months later...

EER went through all the plugins and placed a note in red at the top of the first thread for every plugin incompatible with PDN4.  If you find that it needs one, let me know and I'll add it.


The Doctor: There was a goblin, or a trickster, or a warrior... A nameless, terrible thing, soaked in the blood of a billion galaxies. The most feared being in all the cosmos. And nothing could stop it, or hold it, or reason with it. One day it would just drop out of the sky and tear down your world.
Amy: But how did it end up in there?
The Doctor: You know fairy tales. A good wizard tricked it.
River Song: I hate good wizards in fairy tales; they always turn out to be him.

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I didn't check them all. Some filetypes and a handful of rarely used effects didn't get the treatment.

As David said - please let us know if you find one that doesn't work.

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  • 3 years later...

First, this forum has been very helpful. Thank you.

I'm an old school photographer. I started out with two Nikon Fs and an assortment of Nikkor lenses. I eventually drifted away from it and sold off all my Nikons.

I recently had an opportunity to pick up a Nikon D3200 DSLR and two lenses at a phenomenal price. Needless to say, there's a learning curve that comes with digital photography.

Seeing photos from other people that had incredible range, I eventually discovered that they were doing High Dynamic Range, HDR. Unfortunately my camera does not have Auto Exposure Bracketing, AEB. And HDR  requires separate software such as Aurora to blend the images together. I can do exposure bracketing in manual with a tripod and a subject that isn't moving.

I'm not going there nor buying the software. That's why TRsHDRish plugin intrigued me.

Second, I had already downloaded Paint.net awhile ago to do some creative art and text. So, needless to say, it was fortuitous that I had something that could process photos.

In using HDRish, I noticed that it did punch up my RAW photos if you tweak the slide controls.

I still used Curves+ and RGB Saturation (both plugins) to bring the photo to something I wanted.

Forum has a limit of 5.43MB, so I can't upload the images as an example.


I'll rate TRsHDRish a seven on a scale of ten

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