how to mask desaturation over color, fade in

ulrik

@d-healey It's for a "good looking" picker :)
The main window (in picture above), is two panels, the upper part is painted with a gradient from white to red, and the lower part is painted from red to black.
I want, from the right side (no desaturation) to the left side (completely desaturated).

So what I really ask is, is it possible to place "desaturation mask" over the main window, to get what I want?

Almost like the way it looks like inside Hise, but with the top displaying white, the left side displaying the grey scale, from white to black, and the right side will go from white to red to black
Skärmavbild 2021-04-19 kl. 11.20.11.png

d.healey

It's for a "good looking" picker

Yeah but why do you want a colour picker in HISE?

I made one a few years ago for fun, not as fancy as yours though.

I think JUCE has a colour selector component that you might want to check out.

ulrik

@d-healey said in how to mask desaturation over color, fade in:

Yeah but why do you want a colour picker in HISE?

Well, I guess I'm not supposed to do this in Hise but, starting by exploring the possibilities with paint routines, panels and an exploring lust to see what could be done with it, I just continued exploring and had a lot of fun doing it :)

For me it's the best way of learning, to be curious and try

Well I'm not finished but I've come, for me, a long way.

ulrik

@d-healey I miss the direct access to the grey scale in my picker..

Christoph Hart

Please don't tell me you're trying to make Photoshop in HISE :)

ulrik

@Christoph-Hart I am...... trying to..... make.....P....in Hise......

Christoph Hart

Well, then I will endorse the attempt of playing ScriptPanel programming in god mode. Here is a little help:

/** This namespace contains a few helper functions. */
namespace ColourOps
{    
    /** Takes the colour and saturates / desaturates it (saturation = 1.0 means no change). */
    inline function withMultipliedSaturation(colour, saturation)
    {
        // Commencing bit fiddling sequence
        local a = (colour & 0xFF000000);
        local r = (colour & 0x00FF0000) >> 16;
        local g = (colour & 0x0000FF00) >> 8;
        local b = (colour & 0x000000FF);
        
        // If you want to lower the saturation, you have
        // to fill up the colour values to the max colour
        local max = Math.max(r, Math.max(g, b));
        
        local rDiff = max - r;
        local gDiff = max - g;
        local bDiff = max - b;
        
        local invSat = 1.0 - saturation;
        
        r = parseInt(r + invSat * rDiff);
        g = parseInt(g + invSat * gDiff);
        b = parseInt(b + invSat * bDiff);
        
        // ending bit fiddling sequence...
        return a | (r << 16) | (g << 8) | b;
    }
}


Panel1.setPaintRoutine(function(g)
{
    var c = this.get("itemColour");
    
    // make it 2px wide so that it doesn't flicker with odd zoom ratios...
    var area = [0, 0, 6.0, this.getHeight()]; 
    
    // create the array before the loop to save a few CPU cycles
    var gradientData = [undefined, undefined, 0.0, Colours.black, undefined, this.getHeight()];
    
    // we update the saturation every 4px, that's enough
    for(var x = 0; x < this.getWidth(); x += 4)
    {
        gradientData[0] = ColourOps.withMultipliedSaturation(c, x / this.getWidth());
        gradientData[1] = x;
        gradientData[4] = x;
        
        area[0] = x;
        
        g.setGradientFill(gradientData);
        g.fillRect(area);
    }
});

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ulrik

@Christoph-Hart great information from a great guy :)
Thank you!

Christoph Hart

Oh wow I didn‘t see it was a GIF. You‘re actually making AfterEffects in HISE. Thats even more badass!!!

Now you need to implement rLottie export!

ulrik

@Christoph-Hart said in how to mask desaturation over color, fade in:

Now you need to implement rLottie export!

Haha...absolutely, would it be possible? That would really be awesome

A Former User

@ulrik Man this is completely out of this world! Awesome stuff!

MikeB

@ulrik I already thought that you can probably do things with HISE that don't have to do with music.
But this is awesome - great work
It would be nice if you keep us informed about the progress.
In any case, you are now my master of PaintRoutines :-)

ulrik

@MikeB @UrsBollhalder thank you :)
I will keep you updated

ulrik

@UrsBollhalder @MikeB
I promised to keep you updated so...
this is my journey to the panels & paint routines promised land, well at least some of it :)

Drawing with Hise

Dan Korneff

@ulrik sick!

orange

@ulrik Great!

This shows that Hise is not only an audio plugin development framework, it can be used for lot's of things :)

A Former User

@ulrik Insane.

Now someone make Super HISE Bros quick!

MikeB

@ulrik wow - absolutely fantastic

You must have worked on that for a minute or two? :-)
Awesome

A Former User

@ulrik Man this is something else really! That must have taken you a fair bit of work as well... Crazy good... I love it. Also... what's the background music? It's not Jarrett, it's probably not Bobo Stenson or Iiro Rantala... who is it?

ulrik

@UrsBollhalder thank you!
Yes I've spend a lot hours figuring out how to accomplish what I had in mind :)
the music is me

how to mask desaturation over color, fade in

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