FabLab_Chemnitz/mightyscape-1.1-deprecated
FabLab_Chemnitz/mightyscape-1.1-deprecated
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fixed freezing

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This commit is contained in:
Mario Voigt 2021-04-15 00:48:50 +02:00
parent db05a9aef3
commit d4400af0bc
1 changed files with 20 additions and 14 deletions
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34
extensions/fablabchemnitz/create_links.py
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@ -118,8 +118,7 @@ class LinksCreator(inkex.EffectExtension):
if self.options.length_filter is True:
if stotal < self.svg.unittouu(str(self.options.length_filter_value) + self.options.length_filter_unit):
if self.options.show_info is True:
inkex.errormsg("node " + node.get('id') + " is shorter than minimum allowed length of {:1.3f} {}. Path length is {:1.3f} {}".format(self.options.length_filter_value, self.options.length_filter_unit, stotal, self.options.creationunit))
if self.options.show_info is True: inkex.errormsg("node " + node.get('id') + " is shorter than minimum allowed length of {:1.3f} {}. Path length is {:1.3f} {}".format(self.options.length_filter_value, self.options.length_filter_unit, stotal, self.options.creationunit))
return #skip this loop iteration
if self.options.creationunit == "percent":
@ -130,14 +129,14 @@ class LinksCreator(inkex.EffectExtension):
dashes = [] #central dashes array
if self.options.creationtype == "entered_values":
dashes.append(((stotal - length_link * self.options.link_count) / self.options.link_count) - 2 * length_link * (self.options.link_multiplicator))
dashes.append(((stotal - length_link * self.options.link_count) / self.options.link_count) - 2 * length_link * self.options.link_multiplicator)
dashes.append(length_link)
for i in range(0, self.options.link_multiplicator):
dashes.append(length_link) #stroke (=gap)
dashes.append(length_link) #gap
#validate dashes. May not be negative. Otherwise Inkscape will freeze forever. Reason: rendering issue
if any(dash < 0 for dash in dashes) == True:
inkex.errormsg("node " + node.get('id') + ": Error! Dash array may not contain negative numbers: " + ' '.join(format(dash, "1.3f") for dash in dashes) + ". Path skipped. Maybe it's too short. Adjust your link count, multiplicator and length accordingly, or set to unit '%'") if self.options.show_info is True else None
if any(dash <= 0.0 for dash in dashes) == True:
if self.options.show_info is True: inkex.errormsg("node " + node.get('id') + ": Error! Dash array may not contain negative numbers: " + ' '.join(format(dash, "1.3f") for dash in dashes) + ". Path skipped. Maybe it's too short. Adjust your link count, multiplicator and length accordingly, or set to unit '%'")
return False if self.options.skip_errors is True else exit(1)
if self.options.creationunit == "percent":
@ -147,7 +146,7 @@ class LinksCreator(inkex.EffectExtension):
if self.options.creationtype == "use_existing":
if self.options.no_convert is True:
inkex.errormsg("node " + node.get('id') + ": Nothing to do. Please select another creation method or disable cosmetic style output paths.") if self.options.show_info is True else None
if self.options.show_info is True: inkex.errormsg("node " + node.get('id') + ": Nothing to do. Please select another creation method or disable cosmetic style output paths.")
return False if self.options.skip_errors is True else exit(1)
stroke_dashoffset = 0
style = node.style
@ -160,7 +159,7 @@ class LinksCreator(inkex.EffectExtension):
else:
raise ValueError
except:
inkex.errormsg("node " + node.get('id') + ": No dash style to continue with.") if self.options.show_info is True else None
if self.options.show_info is True: inkex.errormsg("node " + node.get('id') + ": No dash style to continue with.")
return False if self.options.skip_errors is True else exit(1)
if self.options.creationtype == "custom_dashpattern":
@ -172,7 +171,7 @@ class LinksCreator(inkex.EffectExtension):
else:
raise ValueError
except:
inkex.errormsg("node " + node.get('id') + ": Error in custom dasharray string (might be empty or does not contain any numbers).") if self.options.show_info is True else None
if self.options.show_info is True: inkex.errormsg("node " + node.get('id') + ": Error in custom dasharray string (might be empty or does not contain any numbers).")
return False if self.options.skip_errors is True else exit(1)
#assign stroke dasharray from entered values, existing style or custom dashpattern
@ -180,6 +179,7 @@ class LinksCreator(inkex.EffectExtension):
# check if the node has a style attribute. If not we create a blank one with a black stroke and without fill
style = None
default_fill = 'none'
default_stroke_width = '1px'
default_stroke = '#000000'
if node.attrib.has_key('style'):
@ -187,23 +187,29 @@ class LinksCreator(inkex.EffectExtension):
if style.endswith(';') is False:
style += ';'
# if has style attribute an dasharray and/or dashoffset are present we modify it accordingly
# if has style attribute and dasharray and/or dashoffset are present we modify it accordingly
declarations = style.split(';') # parse the style content and check what we need to adjust
for i, decl in enumerate(declarations):
parts = decl.split(':', 2)
if len(parts) == 2:
(prop, val) = parts
prop = prop.strip().lower()
if prop == 'fill':
declarations[i] = prop + ':{}'.format(default_fill)
if prop == 'stroke':
declarations[i] = prop + ':{}'.format(default_stroke)
if prop == 'stroke-width':
declarations[i] = prop + ':{}'.format(default_stroke_width)
if prop == 'stroke-dasharray': #comma separated list of one or more float values
declarations[i] = prop + ':{};'.format(stroke_dasharray)
declarations[i] = prop + ':{}'.format(stroke_dasharray)
if prop == 'stroke-dashoffset':
declarations[i] = prop + ':{};'.format(stroke_dashoffset)
declarations[i] = prop + ':{}'.format(stroke_dashoffset)
node.set('style', ';'.join(declarations)) #apply new style to node
#if has style attribute but the style attribute does not contain stroke, stroke-dasharray or stroke-dashoffset yet
#if has style attribute but the style attribute does not contain fill, stroke, stroke-width, stroke-dasharray or stroke-dashoffset yet
style = node.style
if re.search('fill:(.*?)(;|$)', str(style)) is None:
style += 'fill:none;'
style += 'fill:{};'.format(default_fill)
if re.search('(;|^)stroke:(.*?)(;|$)', str(style)) is None: #if "stroke" is None, add one. We need to distinguish because there's also attribute "-inkscape-stroke" that's why we check starting with ^ or ;
style += 'stroke:{};'.format(default_stroke)
if not 'stroke-width' in style:
@ -214,7 +220,7 @@ class LinksCreator(inkex.EffectExtension):
style += 'stroke-dashoffset:{};'.format(stroke_dashoffset)
node.set('style', style)
else:
style = 'fill:none;stroke:{};stroke-width:{};stroke-dasharray:{};stroke-dashoffset:{};'.format(default_stroke, default_stroke_width, stroke_dasharray, stroke_dashoffset)
style = 'fill:{};stroke:{};stroke-width:{};stroke-dasharray:{};stroke-dashoffset:{};'.format(default_fill, default_stroke, default_stroke_width, stroke_dasharray, stroke_dashoffset)
node.set('style', style)
# Print some info about values