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# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
from os.path import basename
from xml.sax.saxutils import escape
def export(filepath, face_data, colors, width, height, opacity):
with open(filepath, 'w', encoding='utf-8') as file:
for text in get_file_parts(face_data, colors, width, height, opacity):
file.write(text)
def get_file_parts(face_data, colors, width, height, opacity):
yield from header(width, height)
yield from draw_polygons(face_data, width, height, opacity)
yield from footer()
def header(width, height):
yield '<?xml version="1.0" standalone="no"?>\n'
yield '<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" \n'
yield ' "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">\n'
yield f'<svg width="{width}" height="{height}" viewBox="0 0 {width} {height}"\n'
yield ' xmlns="http://www.w3.org/2000/svg" version="1.1">\n'
desc = f"{basename(bpy.data.filepath)}, (Blender {bpy.app.version_string})"
yield f'<desc>{escape(desc)}</desc>\n'
def draw_polygons(face_data, width, height, opacity):
for uvs, color in face_data:
fill = f'fill="{get_color_string(color)}"'
yield '<polygon stroke="black" stroke-width="1"'
yield f' {fill} fill-opacity="{opacity:.2g}"'
yield ' points="'
for uv in uvs:
x, y = uv[0], 1.0 - uv[1]
yield f'{x*width:.3f},{y*height:.3f} '
yield '" />\n'
def get_color_string(color):
r, g, b = color
return f"rgb({round(r*255)}, {round(g*255)}, {round(b*255)})"
def footer():
yield '\n'
yield '</svg>\n'
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