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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:24:48 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:24:48 +0000
commitcca66b9ec4e494c1d919bff0f71a820d8afab1fa (patch)
tree146f39ded1c938019e1ed42d30923c2ac9e86789 /share/extensions/path_mesh_p2m.py
parentInitial commit. (diff)
downloadinkscape-cca66b9ec4e494c1d919bff0f71a820d8afab1fa.tar.xz
inkscape-cca66b9ec4e494c1d919bff0f71a820d8afab1fa.zip
Adding upstream version 1.2.2.upstream/1.2.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'share/extensions/path_mesh_p2m.py')
-rwxr-xr-xshare/extensions/path_mesh_p2m.py92
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diff --git a/share/extensions/path_mesh_p2m.py b/share/extensions/path_mesh_p2m.py
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+#!/usr/bin/env python
+#
+# Copyright (C) 2016 su_v, <suv-sf@users.sf.net>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+"""
+Convert path to mesh gradient
+"""
+
+import inkex
+from inkex.paths import Line, Curve
+from inkex.elements import MeshGradient
+
+
+class PathToMesh(inkex.EffectExtension):
+ """Convert path data to mesh geometry."""
+
+ def add_arguments(self, pars):
+ pars.add_argument("--tab", help="The selected UI-tab")
+
+ def add_mesh(self, meshgradient):
+ """Add meshgradient definition to current document."""
+ self.svg.defs.append(meshgradient)
+ meshgradient.set_random_id("meshgradient")
+ return meshgradient.get_id()
+
+ def effect(self):
+ """Main routine to convert path data to mesh geometry."""
+ # loop through selection
+ for node in self.svg.selection.filter(inkex.PathElement):
+ csp = None
+ meshgradient = None
+ mesh_id = None
+ # parse path data
+ csp = node.path.to_superpath()
+ # convert csp to meshgradient definition
+ if csp is not None:
+ # TODO: check length of path data / csp
+ meshgradient = self.to_mesh(node, csp)
+ # add meshgradient to document
+ if meshgradient is not None:
+ mesh_id = self.add_mesh(meshgradient)
+ # apply meshgradient to node
+ if mesh_id is not None:
+ node.style["fill"] = "url(#{})".format(mesh_id)
+
+ def to_mesh(self, node, csp, subpath=0):
+ """Convert csp to meshgradient geometry."""
+ # mesh data
+ corners, edges = self.to_meshdata(csp[subpath])
+ # alternating stop colors
+ colors = [node.style.get("fill"), "#ffffff"]
+ # define meshgradient with first corner as initial point
+ meshgradient = MeshGradient.new_mesh(pos=corners[0], rows=1, cols=1)
+ # define stops (stop-color, path) for first meshpatch
+ meshgradient[0][0].stops(edges[0:4], colors)
+ return meshgradient
+
+ @staticmethod
+ def to_meshdata(subpath):
+ """Convert csp subpath to corners, edge path data."""
+ if len(subpath) >= 5:
+ corners = []
+ edges = []
+ for i, corner in enumerate(subpath[:4]):
+ corners.append(corner[1])
+ edge = [list(subpath[i]), list(subpath[i + 1])]
+ edge[0][0] = list(edge[0][1])
+ edge[1][2] = list(edge[1][1])
+ if inkex.CubicSuperPath.is_line(edge[0], edge[1]):
+ edges.append(Line(*edge[1][1]))
+ else:
+ edges.append(Curve(*(edge[0][2] + edge[1][0] + edge[1][1])))
+
+ return corners, edges
+
+
+if __name__ == "__main__":
+ PathToMesh().run()