FabLab_Chemnitz/mightyscape-1.1-deprecated
FabLab_Chemnitz/mightyscape-1.1-deprecated
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added custom scale to normalize

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This commit is contained in:
Mario Voigt 2022-01-05 12:32:21 +01:00
parent b7c9e074bb
commit b423526564
2 changed files with 11 additions and 3 deletions
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1
extensions/fablabchemnitz/normalize_drawing_scale/normalize_drawing_scale.inx
View File

@ -3,6 +3,7 @@
<name>Normalize Drawing Scale</name> <name>Normalize Drawing Scale</name>
<id>fablabchemnitz.de.normalize_drawing_scale</id> <id>fablabchemnitz.de.normalize_drawing_scale</id>
<param name="remove_viewbox" type="bool" gui-text="Remove viewBox and set document units to px" gui-description="Removes viewBox attribute from svg:svg. Warning: this disabled the feature to change the document units to anything else than px unit.">false</param> <param name="remove_viewbox" type="bool" gui-text="Remove viewBox and set document units to px" gui-description="Removes viewBox attribute from svg:svg. Warning: this disabled the feature to change the document units to anything else than px unit.">false</param>
<param name="target_scale" type="float" min="0.001" max="9999.000" gui-text="Target scale (%)" gui-description="Default is 100%">100.0</param>
<effect needs-live-preview="false"> <effect needs-live-preview="false">
<object-type>all</object-type> <object-type>all</object-type>
<effects-menu> <effects-menu>

13
extensions/fablabchemnitz/normalize_drawing_scale/normalize_drawing_scale.py
View File

@ -8,6 +8,7 @@ class NormalizeDrawingScale(inkex.EffectExtension):
def add_arguments(self, pars): def add_arguments(self, pars):
pars.add_argument('--remove_viewbox', type=inkex.Boolean, default=True) pars.add_argument('--remove_viewbox', type=inkex.Boolean, default=True)
pars.add_argument('--target_scale', type=float, default=100.0)
def effect(self): def effect(self):
namedView = self.document.getroot().find(inkex.addNS('namedview', 'sodipodi')) namedView = self.document.getroot().find(inkex.addNS('namedview', 'sodipodi'))
@ -18,11 +19,17 @@ class NormalizeDrawingScale(inkex.EffectExtension):
vxMin, vyMin, vxMax, vyMax = self.svg.get_viewbox() vxMin, vyMin, vxMax, vyMax = self.svg.get_viewbox()
vxTotal = vxMax - vxMin vxTotal = vxMax - vxMin
vScaleX = self.svg.unittouu(str(vxTotal / self.svg.width) + doc_units) vScaleX = self.svg.unittouu(str(vxTotal / self.svg.width) + doc_units)
if round(vScaleX, 5) != 1.0 or self.options.remove_viewbox is True: if vScaleX == 0.0: #seems there is no viewBox attribute, then ...
#self.msg("viewBox attribute is missing in svg:svg. Applying new one ...")
vScaleX = 1.0 #this is the case we deal with px as display unit and we removed the viewBox
self.svg.set('viewBox', '0 0 {} {}'.format(targetScale * docWidth, targetScale * docHeight))
targetScale = self.options.target_scale / 100
if round(vScaleX, 5) != targetScale or self.options.remove_viewbox is True:
#set scale to 100% (we adjust viewBox) #set scale to 100% (we adjust viewBox)
if self.options.remove_viewbox is False: if self.options.remove_viewbox is False:
self.svg.set('viewBox', '0 0 {} {}'.format(docWidth, docHeight)) self.svg.set('viewBox', '0 0 {} {}'.format(targetScale * docWidth, targetScale * docHeight))
else: else:
self.svg.pop('viewBox') self.svg.pop('viewBox')
self.document.getroot().set('inkscape:document-units', 'px') self.document.getroot().set('inkscape:document-units', 'px')
@ -30,7 +37,7 @@ class NormalizeDrawingScale(inkex.EffectExtension):
self.svg.set('height', docHeight) self.svg.set('height', docHeight)
namedView.attrib[inkex.addNS('document-units', 'inkscape')] = 'px' namedView.attrib[inkex.addNS('document-units', 'inkscape')] = 'px'
translation_matrix = [[1/vScaleX, 0.0, 0.0], [0.0, 1/vScaleX, 0.0]] translation_matrix = [[targetScale / vScaleX, 0.0, 0.0], [0.0, targetScale / vScaleX, 0.0]]
#select each top layer and apply the transformation to scale #select each top layer and apply the transformation to scale
processed = [] processed = []