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Write an add-on for Photoshop CC that does custom actions specifically band based exposure control. E.g. highlights, vs mids vs Shadows etc.

Write an add-on for Photoshop CC that does custom actions specifically band based exposure control. E.g. highlights, vs mids vs Shadows etc.

The GUI should look like a 18 band graphic Equalizer, with each band being an exposure control for each luminosity level.

I should be able to select the width of the band. (Parametric control) And its ok if this width spills over into the adjacent bands (Q of the band)

The vision is to be able to control the exposure of a photo by each band of luminosity level. Just like in Audio, one can control Amplitude by frequency and width of frequency band. Sort of like a Paragraphic Equalizer.

There are ways to select the bands and luminosity with several free tools including using Photoshop's own tools. What I am asking for it to reduce manual steps and create an add-on that simplifies this tedious task.

The coder Must have Photoshop experience and PS development experience.

If you are interested, your proposal should show me that you understand the Project and ideas on how to execute. Merely saying that you can do it is not good enough. Convince me with Logic.

I had a chat with one person... this should help give more details:


What do you understand of the project and how will you execute

you are looking for a custom made add-on for PS CC
can you explain the 18 brand equalizer ?
and can you be precise about highlights, vs mids vs Shadows
I mean features of them

Sure. do you know how Adobe camera raw works? Have you used it?

yap I do

ok good, I will give you an example.... not the same thing I want but an example
If you go to the HSL section and choose Greyscale button, you can create a black and white photo and control the exposure based on each color band In that example... you have 8 bands
that you can change exposure but the selection of the band, is based on 8 colors I want selection NOT on color, but on Luminosity level

If you look at youtube tutorials on Luminosity masks, you will know how to choose the bands it s easy. there are typically 6 brights selection, 6 mids and 6 darks, makes 18 bands

yap understand now
makes sense

So you will choose the area of the photo using a luminosity mask, and the control will be to increase or decrease exposure based on that selection (mask).

The GUI will be like an Audio graphic equalizer with 2 controls.
a) Amplitude control or brightness for each band
b) Width control or how much that band affects neighboring bands (this is similar to choosing multiple channels or Luminosity levels)

yap .
OK I got your project.

25. before we chat further .... please make sure you have a design in mind with the workflow

Uploaded a graphic of concept of the control layout. The finished product will have 18 instead of 9 bands shown.

TO BID: You should be familiar on the following :

Adobe camera RAW controls
Photoshop levels
Curve
Exposure control

Since this add on will work with existing Photoshop controls

The Requirement overview:

To understand the requirement, you need to know how Photoshop works. Specifically it's tools and extension add ons.
If you go to the HSL section of Adobe Camera RAW or Lightroom and choose Grayscale button, you can create a black and white photos and control the exposure based on each color band In that example... you have 8 bands. The app selects a region of the photo based on the color. e.g. if something is red, you can use the red luminosity slider to boost oe reduce the exposure of that (red) area of the photo. You can do the same for any of the 8 colors.i.e. you can change exposure of the selected band, in this case is based on 8 colors.

My requirement is a little different, in the sense that, I want selection region NOT on color, but on Luminosity level. Meaning if we can divide the photo in regions, and each region represents a range of brightness from Black to White , then we assign each level to a control (i.e. a slider) and this control varies the exposure of that selected region. For example Take a photo and divide it into 18 different levels of brightness, from
Black
=>Dark3=> Dark2=> Dark1=> Shadow3=> Shadow2=> Shadow1
=>Mid -2 =>Mid -1=> Mid=> Mid +1 =>Mid1 +2
=>Highlights1=>Highlights2=>Highlights3=>Highlights4=>Highlights5
=>Whites
i.e. 18 bands
So if I choose the Dark2 slider, the slider should be able to raise or decrease the exposure (brightness) of the selected region of the photo that falls under "Dark2"
So when the add on is activated; it should analyze the photo and assign brightness regions to it. One easy way is to choose the area of the photo using a luminosity mask, and the control will be to increase or decrease exposure based on that luminosity mask. There are several tutorials on YouTube on how to use Photoshop actions to create luminosity masks. Once the add on has chosen the region in the photo to target, moving the slider up, will make that region brighter, and moving the slider down, will make that region darker.
The GUI will be like an Audio graphic equalizer with 2 controls.
a) Amplitude control or brightness for each band
b) Width control or how much that band affects neighboring bands (this is similar to choosing multiple channels or Luminosity levels)
We can discuss the finer details once the project is assigned; but you need to know how to create luminosity masks, Adobe extensions/ add-ons, control pallet etc.

Skills needed:

html2
Visual Studio.net
C++
Filter Forge
Adobe Photoshop SDK
Photoshop scripting

Kĩ năng: Lập trình C++, HTML5

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