This is a read-only archive of the inkscapeforum.com site. You can search for info here or post new questions and comments at color_better_randomize.inx:
Code: Select all
<?xml version="1.0" encoding="UTF-8"?>
<inkscape-extension xmlns="http://www.inkscape.org/namespace/inkscape/extension">
<_name>Better Randomize</_name>
<id>org.inkscape.color.better_randomize</id>
<dependency type="executable" location="extensions">coloreffect.py</dependency>
<dependency type="executable" location="extensions">color_better_randomize.py</dependency>
<dependency type="executable" location="extensions">simplestyle.py</dependency>
<param name="hueAmount" type="int" min="0" max="100" _gui-text="Hue Amount (%)">50</param>
<param name="saturationAmount" type="int" min="0" max="100" _gui-text="Saturation Amount (%)">50</param>
<param name="lightnessAmount" type="int" min="0" max="100" _gui-text="Lightness Amount (%)">50</param>
<effect>
<object-type>all</object-type>
<effects-menu>
<submenu _name="Color"/>
</effects-menu>
</effect>
<script>
<command reldir="extensions" interpreter="python">color_better_randomize.py</command>
</script>
</inkscape-extension>color_better_randomize.py:
Code: Select all
#!/usr/bin/env python
import coloreffect,random,inkex
class C(coloreffect.ColorEffect):
def __init__(self):
coloreffect.ColorEffect.__init__(self)
self.OptionParser.add_option("--ha", "--hueAmount",
action="store", type="int",
dest="hueAmount", default=50,
help="Randomize hue amount")
self.OptionParser.add_option("--sa", "--saturationAmount",
action="store", type="int",
dest="saturationAmount", default=50,
help="Randomize saturation amount")
self.OptionParser.add_option("--la", "--lightnessAmount",
action="store", type="int",
dest="lightnessAmount", default=50,
help="Randomize lightness amount")
def colmod(self,r,g,b):
hsl = self.rgb_to_hsl(r/255.0, g/255.0, b/255.0)
#hue
newhsl = (random.random()*2.0)-1.0 #generate number between -1.0 & 1.0
newhsl = newhsl*((self.options.hueAmount)/100.0) #multiply the value by the slider value
newhsl = hsl[0] + newhsl #add the new value to the object's old value
newhsl = newhsl % 1 #make number between 0.0 & 1.0, wrapping round
hsl[0] = newhsl
#saturation
newhsl = (random.random()*2.0)-1.0 #generate number between -1.0 and 1.0
newhsl = newhsl*((self.options.saturationAmount)/100.0) #multiply the value by the slider value
newhsl = hsl[1] + newhsl #add the new value to the old value
newhsl = max(min(newhsl,1.0), 0.0) #ensure the number lies between 0.0 and 1.0
hsl[1] = newhsl
#lightness
newhsl = (random.random()*2.0)-1.0 #same as above
newhsl = newhsl*((self.options.lightnessAmount)/100.0)
newhsl = hsl[2] + newhsl
newhsl = max(min(newhsl,1.0), 0.0)
hsl[2] = newhsl
rgb = self.hsl_to_rgb(hsl[0], hsl[1], hsl[2])
return '%02x%02x%02x' % (rgb[0]*255, rgb[1]*255, rgb[2]*255)
c = C()
c.affect()