be1cffc1fb
- ThomsonConstraints is yet another constraint checker - FontConvert extracts chars from a font as binary data git-svn-id: svn://pulkomandy.tk/GrafX2/trunk@2060 416bcca6-2ee7-4201-b75f-2eb2f807beb1
35 lines
785 B
Lua
35 lines
785 B
Lua
-- Thomson Constraints checker
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-- Check wether picture is compatible with Thomson computers video modes
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-- (8x1 cells with 2 colors out of 16 in each cell)
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w,h=getpicturesize()
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xcell = 8
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selectlayer(1)
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clearpicture(0)
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selectlayer(0)
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-- foreach grid cell
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for y=0,h-1,1 do
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for x1=0,w-1,xcell do
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-- initialize our two colors for the cell, c1 is the color of the first
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-- pixel, and we will look for c2 in the following pixels
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c1 = getpicturepixel(x1,y)
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c2 = -1
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for x2=0,xcell-1,1 do
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c = getpicturepixel(x1+x2, y)
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-- is it a new color ?
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if c ~= c1 and c ~= c2 then
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if c2 == -1 then
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-- C2 is free, we can use it for this new color
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c2 = c
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else
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-- out of colors !
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selectlayer(1)
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putpicturepixel(x1+x2,y,17);
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selectlayer(0)
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end
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end
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end
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end
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end
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