added some options to unwind paths

This commit is contained in:
Mario Voigt 2021-05-20 13:31:03 +02:00
parent ef87020278
commit e02bfadbca
2 changed files with 75 additions and 54 deletions

View File

@ -4,10 +4,14 @@
<id>fablabchemnitz.de.unwind_paths</id>
<param name="tab" type="notebook">
<page name="tab_settings" gui-text="Unwind Paths">
<label appearance="header">Settings</label>
<label appearance="header">General Settings</label>
<param name="keep_original" type="bool" gui-text="Keep original paths" gui-description="If selected, the original paths get deleted">false</param>
<param name="break_apart" type="bool" gui-text="Break apart paths" gui-description="Split each path into single curve segments">false</param>
<param name="colorize" type="bool" gui-text="Colorize glue pairs" gui-description="Requires enabled 'Break apart' option">false</param>
<param name="break_only" type="bool" gui-text="Break apart paths only" gui-description="No unwinding at all">false</param>
<label appearance="header">Color Style</label>
<param name="colorize" type="bool" gui-text="Colorize" gui-description="Colorize original paths and glue pairs">false</param>
<param name="color_increment" type="int" min="1" max="255" gui-text="Color increment" gui-description="For each segment we count up n colors. Does not apply if 'Randomize colors' is enabled.">10000</param>
<param name="randomize_colors" type="bool" gui-text="Randomize colors">false</param>
<label appearance="header">Extrude Options</label>
<param name="extrude" type="bool" gui-text="Extrude">false</param>
<param name="extrude_height" type="float" min="0.000" max="99999.000" precision="3" gui-text="Extrude height">10.000</param>

View File

@ -25,7 +25,7 @@ ToDos:
"""
import copy
import inkex
from inkex import bezier, Path, CubicSuperPath
from inkex import Color, bezier, Path, CubicSuperPath
from lxml import etree
import math
import random
@ -41,7 +41,10 @@ class UnwindPaths(inkex.EffectExtension):
pars.add_argument('--tab')
pars.add_argument('--keep_original', type=inkex.Boolean, default=False, help="If selected, the original paths get deleted")
pars.add_argument('--break_apart', type=inkex.Boolean, default=False, help="Split each path into single curve segments")
pars.add_argument('--colorize', type=inkex.Boolean, default=False, help="Requires enabled 'Break apart' option")
pars.add_argument('--break_only', type=inkex.Boolean, default=False, help="Only splits root paths into segments (no unwinding)")
pars.add_argument('--colorize', type=inkex.Boolean, default=False, help="Colorize original paths and glue pairs")
pars.add_argument('--color_increment', type=int, default=10000, help="For each segment we count up n colors. Does not apply if 'Randomize colors' is enabled.")
pars.add_argument('--randomize_colors', type=inkex.Boolean, default=False, help="Randomize colors")
pars.add_argument('--extrude', type=inkex.Boolean, default=False)
pars.add_argument('--extrude_height', type=float, default=10.000)
pars.add_argument('--unit', default="mm")
@ -79,6 +82,14 @@ class UnwindPaths(inkex.EffectExtension):
self.breakContours(child, breakelements)
return breakelements
def rgb(self, minimum, maximum, value):
minimum, maximum = float(minimum), float(maximum)
ratio = 2 * (value-minimum) / (maximum - minimum)
b = int(max(0, 255 * (1 - ratio)))
r = int(max(0, 255 * (ratio - 1)))
g = 255 - b - r
return r, g, b
def effect(self):
shifting = self.svg.unittouu(str(self.options.extrude_height) + self.options.unit)
@ -106,12 +117,16 @@ class UnwindPaths(inkex.EffectExtension):
#generate random colors; used to identify glue tab pairs
if self.options.colorize is True:
randomColorSet = []
while len(randomColorSet) < subCount - 1:
r = lambda: random.randint(0,255)
newColor = '#%02X%02X%02X' % (r(),r(),r())
if newColor not in randomColorSet:
randomColorSet.append(newColor)
colorSet = []
if self.options.randomize_colors is True:
while len(colorSet) < subCount - 1:
r = lambda: random.randint(0,255)
newColor = '#%02X%02X%02X' % (r(),r(),r())
if newColor not in colorSet:
colorSet.append(newColor)
else:
for i in range(subCount):
colorSet.append(Color(self.rgb(0, i+self.options.color_increment, 1*i)))
for sub in csp:
#generate new horizontal line data by measuring each segment
@ -125,58 +140,60 @@ class UnwindPaths(inkex.EffectExtension):
if self.options.break_apart is True:
topLineGroup = self.svg.get_current_layer().add(inkex.Group(id="hline-top-" + element.get('id')))
bottomLineGroup = self.svg.get_current_layer().add(inkex.Group(id="hline-bottom-" + element.get('id')))
newOriginalPathGroup = self.svg.get_current_layer().add(inkex.Group(id="new-original-" + element.get('id')))
elemGroup.append(topLineGroup)
elemGroup.append(bottomLineGroup)
newOriginalPathGroup = self.svg.get_current_layer().add(inkex.Group(id="new-original-" + element.get('id')))
self.svg.get_current_layer().append(newOriginalPathGroup) #we want this to be one level above unwound stuff
if self.options.extrude is True:
vlinesGroup = self.svg.get_current_layer().add(inkex.Group(id="vlines-" + element.get('id')))
elemGroup.append(vlinesGroup)
while i <= len(sub) - 1:
stroke_color = '#000000'
if self.options.colorize is True and self.options.break_apart is True:
stroke_color =randomColorSet[i-1]
horizontal_line_style = {'stroke':stroke_color,'stroke-width':'1px','fill':'none'}
length = bezier.cspseglength(new[-1][-1], sub[i]) #sub path length
segment = "h {:0.6f} ".format(length)
topPathData += segment
bottomPathData += segment
new[-1].append(sub[i]) #important line!
if self.options.break_apart is True:
self.drawline("m {:0.6f},{:0.0f} ".format(xmin + sum([length for length in lengths]), ymax) + segment,
"segmented-top-{}-{}".format(element.get('id'), i), topLineGroup, horizontal_line_style)
if self.options.break_only is False:
while i <= len(sub) - 1:
stroke_color = '#000000'
if self.options.colorize is True and self.options.break_apart is True:
stroke_color =colorSet[i-1]
horizontal_line_style = {'stroke':stroke_color,'stroke-width':'1px','fill':'none'}
length = bezier.cspseglength(new[-1][-1], sub[i]) #sub path length
segment = "h {:0.6f} ".format(length)
topPathData += segment
bottomPathData += segment
new[-1].append(sub[i]) #important line!
if self.options.break_apart is True:
self.drawline("m {:0.6f},{:0.0f} ".format(xmin + sum([length for length in lengths]), ymax) + segment,
"segmented-top-{}-{}".format(element.get('id'), i), topLineGroup, horizontal_line_style)
if self.options.extrude is True:
self.drawline("m {:0.6f},{:0.0f} ".format(xmin + sum([length for length in lengths]), ymax + shifting) + segment,
"segmented-bottom-{}-{}".format(element.get('id'), i), bottomLineGroup, horizontal_line_style)
lengths.append(length)
i += 1
if self.options.break_apart is False:
self.drawline(topPathData, "combined-top-{0}".format(element.get('id')), elemGroup, horizontal_line_style)
if self.options.extrude is True:
self.drawline("m {:0.6f},{:0.0f} ".format(xmin + sum([length for length in lengths]), ymax + shifting) + segment,
"segmented-bottom-{}-{}".format(element.get('id'), i), bottomLineGroup, horizontal_line_style)
lengths.append(length)
i += 1
if self.options.break_apart is False:
self.drawline(topPathData, "combined-top-{0}".format(element.get('id')), elemGroup, horizontal_line_style)
self.drawline(bottomPathData, "combined-bottom-{0}".format(element.get('id')), elemGroup, horizontal_line_style)
#draw as much vertical lines as segments in bezier + start + end vertical line
vertical_end_lines_style = {'stroke':'#000000','stroke-width':'1px','fill':'none'}
if self.options.extrude is True:
self.drawline(bottomPathData, "combined-bottom-{0}".format(element.get('id')), elemGroup, horizontal_line_style)
#draw as much vertical lines as segments in bezier + start + end vertical line
vertical_end_lines_style = {'stroke':'#000000','stroke-width':'1px','fill':'none'}
if self.options.extrude is True:
#render start line
self.drawline("m {:0.6f},{:0.6f} v {:0.6f}".format(xmin, ymax, shifting),"vline-{}-start".format(element.get('id')), vlinesGroup, vertical_end_lines_style)
#render divider lines
if self.options.render_vertical_dividers is True:
vertical_mid_lines_style = {'stroke':'#000000','stroke-width':'1px','fill':'none'}
if self.options.render_with_dashes is True:
vertical_mid_lines_style = {'stroke':'#000000','stroke-width':'1px',"stroke-dasharray":"2 2", 'fill':'none'}
x = 0
for n in range(0, i-2):
x += lengths[n]
self.drawline("m {:0.6f},{:0.6f} v {:0.6f}".format(xmin + x, ymax, shifting),"vline-{}-{}".format(element.get('id'), n + 1), vlinesGroup, vertical_mid_lines_style)
#render end line
self.drawline("m {:0.6f},{:0.6f} v {:0.6f}".format(xmin + sum([length for length in lengths]), ymax, shifting),"vline-{}-end".format(element.get('id')), vlinesGroup, vertical_end_lines_style)
#render start line
self.drawline("m {:0.6f},{:0.6f} v {:0.6f}".format(xmin, ymax, shifting),"vline-{}-start".format(element.get('id')), vlinesGroup, vertical_end_lines_style)
#render divider lines
if self.options.render_vertical_dividers is True:
vertical_mid_lines_style = {'stroke':'#000000','stroke-width':'1px','fill':'none'}
if self.options.render_with_dashes is True:
vertical_mid_lines_style = {'stroke':'#000000','stroke-width':'1px',"stroke-dasharray":"2 2", 'fill':'none'}
x = 0
for n in range(0, i-2):
x += lengths[n]
self.drawline("m {:0.6f},{:0.6f} v {:0.6f}".format(xmin + x, ymax, shifting),"vline-{}-{}".format(element.get('id'), n + 1), vlinesGroup, vertical_mid_lines_style)
#render end line
self.drawline("m {:0.6f},{:0.6f} v {:0.6f}".format(xmin + sum([length for length in lengths]), ymax, shifting),"vline-{}-end".format(element.get('id')), vlinesGroup, vertical_end_lines_style)
if self.options.break_apart is True:
# Split (already broken apart) paths into detached segments
@ -204,12 +221,12 @@ class UnwindPaths(inkex.EffectExtension):
stroke_color = '#000000'
if self.options.colorize is True:
stroke_color =randomColorSet[i-1]
stroke_color =colorSet[i-1]
new_original_line_style = {'stroke':stroke_color,'stroke-width':'1px','fill':'none'}
self.drawline(d, "segmented-" + element.get('id'), newOriginalPathGroup, new_original_line_style)
if self.options.keep_original is False:
element.delete()
element.delete()
else:
self.msg('Please select some paths first.')