Hi Mats,
The link you have provided is not functioning but thanks for sharing
this,
I read you first post and, although unable to help, was very interested
the
possible solution .
John
Mats Leid� wrote:
> I sent the mail below the lines to lingo-l the 24th of october. I
> haven�t had any replys so far but as I solved the problem described
> below I would like to share it, in case anyone out there has the same
> problem or a related one. The solution can be viewed at
>
> http://marvin.mm.se/shocked/
>
> For those of you not familiar with swedish, just click on the arrow
> in the top of the shockwave-movie and you will step through the
> learning shell from beginning to end. The other buttons are just for
> navigating directly to the same stations.
>
> My problem was I needed to mix RGB and CMYK colors interactively, for
> images and "color blobs".
> I ended up with using the setalpha() function together with "Add pin"
> and "Subtract pin" inks for the images, where I divided both the CMYK
> and the RGB images� channels into separate documents. The setalpha()
> function makes it possible for me to change the opacity between the
> image sprites in a much more reliable way than using "blend". The
> other "trick" was finding an ink mode that worked just like the
> "Screen" and the "multiply" layer blending modes in Photoshop. The
> closest ones I could find were "Add/pin" and "Subtract pin"
> respectively. Questions or comments? Just mail me.
>
> --------------------------
> >I am trying to make color blending between three sprites, lying on
> >top of each other, and a black background sprite( or black stage
> >background) work. The sprites are respectively the red, green and
> >blue channels from an RGB image. I am trying to find a way of
> >blending each sprite so the three mixed together result in an RGB
> >image like the original image with all three channels in one. (Hope
> >I make myself understood here).
> >To make a long story short: I can�t use an ink mode like "add"
> >because it only works when I have 100% blend, if I change the sprite
> >blend (and this is what I want to be able to do interactively later)
> >the mixing falls apart. The only way I can see now is to use a
> >32-bit image with alpha channel (or using another cast member as a
> >mask). I tried importing with the same image with different
> >alphachannels, and the blending seems to work on stage.
> >
> >If I could extract the built-in alpha channel, change its color and
> >tell Director to use the new mask instead with Lingo, I would be on
> >my way to interactivity. Does anyone know how to do this?
> >I tried changing the color property of a cast member but I only get
> >"property not found". It seems to work for sprites though...??? I
> >use rgb(x,x,x,) as the description of the color.
> >Thanks for any help,
> >/MoL
>
> /MoL
> _____________________________________________________
> MacMeckarna i G�teborg Tel: 031-7013840 Mobil: 0704-404056
>
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