Date: Sun, 9 Sep 2012 21:18:34 -0700
Subject: [Gimp-user] Painting a drawing

 wondering if Gimp can paint in a ink comic book panel I draw?I would 
scan the drawing in and then paint it using gimp,is that possible and is
 there a tutorial showing me jhow?Thank you.


Well, the abstract of it is:

1 - Ink your drawing in pen, and erase any leftover pencil you don't want to 
interfere with the scan.
2 - Scan the drawing with relatively high contrast (not "B&W" scanning, just 
clipped highlights and shadows) to give you sharper, solidified blacks and 
whites. This makes your life easier in the long term because you want your 
linework to be have fully opaque lines and fully transparent areas; things like 
paper grain and intermediate greys will only make the result look muddy so 
remove them from the equation as soon as you can.
3 - Once the image is in GIMP, create two layers - top layer will hold the 
inking you just scanned (your "cels"), the other will go below it and hold the 
actual coloring.
4 - A lot of people will tell you to take the inking layer and set its blending 
mode to Multiply.  This works because it effectively makes the black lines 
opaque and white areas transparent.  You can also apply colors to the inking 
layer (instead of white) to give an entire area a color tint.
5 - Or alternately, instead of Multiply blending you can take the inking layer 
and perform a "Color to Alpha" transition using white as the color key.  This 
also makes the black lines opaque and white areas transparent, but now they 
actually are opaque/transparent pixels.  Then lock the layer's alpha channel.  
This gives you the ability to tint the linework any color (not just black) if 
you want to.

Obviously, phrasing it in these "simple" terms leaves out a lot of fine 
intermediate details, this is just the abstract principle for it.  There's a 
lot of additional tricks you can do, such as organizing each panel into its own 
layer (preferably via layer group), painting different colors on separate 
layers, painting via selection mask, etc.

-- Stratadrake
Numbers may not lie, but neither do they tell the whole truth.

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