Added Scale to Size (legacy)
This commit is contained in:
Mario Voigt
parent
bd41a81cb4
commit
8a8a6db4b5
33
extensions/fablabchemnitz_scaletosize.inx
Normal file
33
extensions/fablabchemnitz_scaletosize.inx
Normal file
@ -0,0 +1,33 @@
|
|||||||
|
<?xml version="1.0" encoding="UTF-8"?>
|
||||||
|
<inkscape-extension xmlns="http://www.inkscape.org/namespace/inkscape/extension">
|
||||||
|
<_name>Scale To Size</_name>
|
||||||
|
<id>fablabchemnitz.de.scaletosize</id>
|
||||||
|
<param name="unit" _gui-text="Unit" type="optiongroup">
|
||||||
|
<option value="mm">mm</option>
|
||||||
|
<option value="cm">cm</option>
|
||||||
|
<option value="m">m</option>
|
||||||
|
<option value="in">in</option>
|
||||||
|
<option value="pt">pt</option>
|
||||||
|
<option value="px">px</option>
|
||||||
|
</param>
|
||||||
|
<param name="expected_size" type="float" min="0.001" max="10000.0" _gui-text="Expected size: ">10.0</param>
|
||||||
|
<param name="scale_type" type="optiongroup" _gui-text="Scaling type: ">
|
||||||
|
<option value="Horizontal">Horizontal</option>
|
||||||
|
<option value="Vertical">Vertical</option>
|
||||||
|
<option value="Uniform">Uniform</option>
|
||||||
|
</param>
|
||||||
|
<page name="desc" _gui-text="Help">
|
||||||
|
<_param name="description" type="description" xml:space="preserve">This effect will measure the selected paths and scale them to have the given size. Does not work for objects (you need to convert)!</_param>
|
||||||
|
</page>
|
||||||
|
<effect>
|
||||||
|
<object-type>all</object-type>
|
||||||
|
<effects-menu>
|
||||||
|
<submenu _name="FabLab Chemnitz">
|
||||||
|
<submenu _name="Modify existing Path(s)" />
|
||||||
|
</submenu>
|
||||||
|
</effects-menu>
|
||||||
|
</effect>
|
||||||
|
<script>
|
||||||
|
<command reldir="extensions" interpreter="python">fablabchemnitz_scaletosize.py</command>
|
||||||
|
</script>
|
||||||
|
</inkscape-extension>
|
||||||
67
extensions/fablabchemnitz_scaletosize.py
Normal file
67
extensions/fablabchemnitz_scaletosize.py
Normal file
@ -0,0 +1,67 @@
|
|||||||
|
#!/usr/bin/env python3
|
||||||
|
|
||||||
|
# Author: Mario Voigt / FabLab Chemnitz
|
||||||
|
# Mail: mario.voigt@stadtfabrikanten.org
|
||||||
|
# Date: 04.08.2020
|
||||||
|
# License: GNU GPL v3
|
||||||
|
|
||||||
|
import inkex
|
||||||
|
from inkex.paths import CubicSuperPath, Path
|
||||||
|
from inkex import Transform
|
||||||
|
from lxml import etree
|
||||||
|
from inkex.styles import Style
|
||||||
|
|
||||||
|
# This extension can scale any object or path on X, Y or both axes. This addon is kind of obsolete because you can do the same from transforms menu
|
||||||
|
|
||||||
|
class ScaleToSize(inkex.Effect):
|
||||||
|
def __init__(self):
|
||||||
|
inkex.Effect.__init__(self)
|
||||||
|
self.arg_parser.add_argument('--unit')
|
||||||
|
self.arg_parser.add_argument("--expected_size", type=float, default=1.0, help="The expected size of the object")
|
||||||
|
self.arg_parser.add_argument("--scale_type", default="Horizontal", help="Scale type (Uniform, Horizontal, Vertical)")
|
||||||
|
self.arg_parser.add_argument("--description")
|
||||||
|
|
||||||
|
def effect(self):
|
||||||
|
unit_factor = 1.0 / self.svg.uutounit(1.0,self.options.unit)
|
||||||
|
for node in self.svg.selected:
|
||||||
|
|
||||||
|
#get recent XY coordinates (top left corner of the bounding box)
|
||||||
|
bbox = node.bounding_box()
|
||||||
|
new_horiz_scale = self.options.expected_size * unit_factor / bbox.width
|
||||||
|
new_vert_scale = self.options.expected_size * unit_factor / bbox.height
|
||||||
|
|
||||||
|
if self.options.scale_type == "Horizontal":
|
||||||
|
translation_matrix = [[new_horiz_scale, 0.0, 0.0], [0.0, 1.0, 0.0]]
|
||||||
|
elif self.options.scale_type == "Vertical":
|
||||||
|
translation_matrix = [[1.0, 0.0, 0.0], [0.0, new_vert_scale, 0.0]]
|
||||||
|
else: #Uniform
|
||||||
|
translation_matrix = [[new_horiz_scale, 0.0, 0.0], [0.0, new_vert_scale, 0.0]]
|
||||||
|
node.transform = Transform(translation_matrix) * node.transform
|
||||||
|
|
||||||
|
# now that the node moved we need to get the nodes XY coordinates again to fix them
|
||||||
|
bbox_new = node.bounding_box()
|
||||||
|
|
||||||
|
#inkex.utils.debug(cx)
|
||||||
|
#inkex.utils.debug(cy)
|
||||||
|
#inkex.utils.debug(cx_new)
|
||||||
|
#inkex.utils.debug(cy_new)
|
||||||
|
|
||||||
|
# We remove the transformation attribute from SVG XML tree in case it's regular path. In case the node is an object like arc,circle, ellipse or star we have the attribute "sodipodi:type". Then we do not play with it's path because the size transformation will not apply (this code block is ugly)
|
||||||
|
if node.get ('sodipodi:type') is None and 'd' in node.attrib:
|
||||||
|
#inkex.utils.debug("it's a path!")
|
||||||
|
d = node.get('d')
|
||||||
|
p = CubicSuperPath(d)
|
||||||
|
transf = Transform(node.get("transform", None))
|
||||||
|
if 'transform' in node.attrib:
|
||||||
|
del node.attrib['transform']
|
||||||
|
p = Path(p).to_absolute().transform(transf, True)
|
||||||
|
node.set('d', Path(CubicSuperPath(p).to_path()))
|
||||||
|
#else:
|
||||||
|
#inkex.utils.debug("it's an object!")
|
||||||
|
|
||||||
|
#we perform second translation to reset the center of the path
|
||||||
|
translation_matrix = [[1.0, 0.0, bbox.left - bbox_new.left + (bbox.width - bbox_new.width)/2], [0.0, 1.0, bbox.top - bbox_new.top + (bbox.height - bbox_new.height)/2]]
|
||||||
|
node.transform = Transform(translation_matrix) * node.transform
|
||||||
|
|
||||||
|
if __name__ == '__main__':
|
||||||
|
ScaleToSize().run()
|
||||||
Reference in New Issue
Block a user