kopia lustrzana https://github.com/inkstitch/inkstitch
70 wiersze
2.6 KiB
Python
70 wiersze
2.6 KiB
Python
# Authors: see git history
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#
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# Copyright (c) 2010 Authors
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# Licensed under the GNU GPL version 3.0 or later. See the file LICENSE for details.
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from math import degrees
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from inkex import PathElement, errormsg
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from ..elements import FillStitch
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from ..elements.gradient_fill import gradient_shapes_and_attributes
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from ..i18n import _
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from ..svg import get_correction_transform
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from ..svg.tags import INKSTITCH_ATTRIBS
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from .base import InkstitchExtension
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class GradientBlocks(InkstitchExtension):
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'''
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This will break apart fill objects with a gradient fill into solid color blocks with end_row_spacing.
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'''
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def effect(self):
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if not self.svg.selection:
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errormsg(_("Please select at least one object with a gradient fill."))
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return
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if not self.get_elements():
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return
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elements = [element for element in self.elements if (isinstance(element, FillStitch) and self.has_gradient_color(element))]
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if not elements:
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errormsg(_("Please select at least one object with a gradient fill."))
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return
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for element in elements:
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parent = element.node.getparent()
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correction_transform = get_correction_transform(element.node)
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style = element.node.style
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index = parent.index(element.node)
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fill_shapes, attributes = gradient_shapes_and_attributes(element, element.shape)
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# reverse order so we can always insert with the same index number
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fill_shapes.reverse()
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attributes.reverse()
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for i, shape in enumerate(fill_shapes):
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style['fill'] = attributes[i]['color']
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end_row_spacing = attributes[i]['end_row_spacing'] or None
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angle = degrees(attributes[i]['angle'])
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d = "M " + " ".join([f'{x}, {y}' for x, y in list(shape.exterior.coords)]) + " Z"
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block = PathElement(attrib={
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"id": self.uniqueId("path"),
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"style": str(style),
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"transform": correction_transform,
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"d": d,
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INKSTITCH_ATTRIBS['angle']: f'{angle: .2f}'
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})
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if end_row_spacing:
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block.set('inkstitch:end_row_spacing_mm', f'{end_row_spacing: .2f}')
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block.set('inkstitch:underpath', False)
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parent.insert(index, block)
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parent.remove(element.node)
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def has_gradient_color(self, element):
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return element.color.startswith('url') and "linearGradient" in element.color
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if __name__ == '__main__':
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e = GradientBlocks()
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e.effect()
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