mirror of
https://github.com/blender/blender-addons.git
synced 2025-08-20 13:22:58 +00:00
81 lines
2.3 KiB
Python
81 lines
2.3 KiB
Python
# SPDX-License-Identifier: GPL-2.0-or-later
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import bpy
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def export(filepath, face_data, colors, width, height, opacity):
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with open(filepath, 'w', encoding='utf-8') as file:
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for text in get_file_parts(face_data, colors, width, height, opacity):
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file.write(text)
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def get_file_parts(face_data, colors, width, height, opacity):
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yield from header(width, height)
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if opacity > 0.0:
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name_by_color = {}
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yield from prepare_colors(colors, name_by_color)
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yield from draw_colored_polygons(face_data, name_by_color, width, height)
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yield from draw_lines(face_data, width, height)
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yield from footer()
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def header(width, height):
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yield "%!PS-Adobe-3.0 EPSF-3.0\n"
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yield f"%%Creator: Blender {bpy.app.version_string}\n"
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yield "%%Pages: 1\n"
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yield "%%Orientation: Portrait\n"
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yield f"%%BoundingBox: 0 0 {width} {height}\n"
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yield f"%%HiResBoundingBox: 0.0 0.0 {width:.4f} {height:.4f}\n"
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yield "%%EndComments\n"
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yield "%%Page: 1 1\n"
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yield "0 0 translate\n"
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yield "1.0 1.0 scale\n"
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yield "0 0 0 setrgbcolor\n"
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yield "[] 0 setdash\n"
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yield "1 setlinewidth\n"
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yield "1 setlinejoin\n"
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yield "1 setlinecap\n"
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def prepare_colors(colors, out_name_by_color):
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for i, color in enumerate(colors):
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name = f"COLOR_{i}"
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yield "/%s {" % name
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out_name_by_color[color] = name
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yield "gsave\n"
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yield "%.3g %.3g %.3g setrgbcolor\n" % color
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yield "fill\n"
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yield "grestore\n"
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yield "0 setgray\n"
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yield "} def\n"
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def draw_colored_polygons(face_data, name_by_color, width, height):
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for uvs, color in face_data:
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yield from draw_polygon_path(uvs, width, height)
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yield "closepath\n"
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yield "%s\n" % name_by_color[color]
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def draw_lines(face_data, width, height):
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for uvs, _ in face_data:
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yield from draw_polygon_path(uvs, width, height)
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yield "closepath\n"
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yield "stroke\n"
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def draw_polygon_path(uvs, width, height):
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yield "newpath\n"
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for j, uv in enumerate(uvs):
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uv_scale = (uv[0] * width, uv[1] * height)
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if j == 0:
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yield "%.5f %.5f moveto\n" % uv_scale
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else:
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yield "%.5f %.5f lineto\n" % uv_scale
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def footer():
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yield "showpage\n"
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yield "%%EOF\n"
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