diff options
Diffstat (limited to 'io_mesh_uv_layout/export_uv_eps.py')
| -rw-r--r-- | io_mesh_uv_layout/export_uv_eps.py | 118 |
1 files changed, 62 insertions, 56 deletions
diff --git a/io_mesh_uv_layout/export_uv_eps.py b/io_mesh_uv_layout/export_uv_eps.py index a15dc266..3280cefa 100644 --- a/io_mesh_uv_layout/export_uv_eps.py +++ b/io_mesh_uv_layout/export_uv_eps.py @@ -21,66 +21,72 @@ import bpy -def write(fw, mesh, image_width, image_height, opacity, face_iter_func): - fw("%!PS-Adobe-3.0 EPSF-3.0\n") - fw("%%%%Creator: Blender %s\n" % bpy.app.version_string) - fw("%%Pages: 1\n") - fw("%%Orientation: Portrait\n") - fw("%%%%BoundingBox: 0 0 %d %d\n" % (image_width, image_height)) - fw("%%%%HiResBoundingBox: 0.0 0.0 %.4f %.4f\n" % - (image_width, image_height)) - fw("%%EndComments\n") - fw("%%Page: 1 1\n") - fw("0 0 translate\n") - fw("1.0 1.0 scale\n") - fw("0 0 0 setrgbcolor\n") - fw("[] 0 setdash\n") - fw("1 setlinewidth\n") - fw("1 setlinejoin\n") - fw("1 setlinecap\n") - - polys = mesh.polygons +def export(filepath, face_data, colors, width, height, opacity): + with open(filepath, "w") 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) if opacity > 0.0: - for i, mat in enumerate(mesh.materials if mesh.materials else [None]): - fw("/DRAW_%d {" % i) - fw("gsave\n") - if mat: - color = tuple((1.0 - ((1.0 - c) * opacity)) - for c in mat.diffuse_color) - else: - color = 1.0, 1.0, 1.0 - fw("%.3g %.3g %.3g setrgbcolor\n" % color) - fw("fill\n") - fw("grestore\n") - fw("0 setgray\n") - fw("} def\n") + name_by_color = {} + yield from prepare_colors(colors, name_by_color) + yield from draw_colored_polygons(face_data, name_by_color, width, height) + yield from draw_lines(face_data, width, height) + yield from footer() + + +def header(width, height): + yield "%!PS-Adobe-3.0 EPSF-3.0\n" + yield f"%%Creator: Blender {bpy.app.version_string}\n" + yield "%%Pages: 1\n" + yield "%%Orientation: Portrait\n" + yield f"%%BoundingBox: 0 0 {width} {height}\n" + yield f"%%HiResBoundingBox: 0.0 0.0 {width:.4f} {height:.4f}\n" + yield "%%EndComments\n" + yield "%%Page: 1 1\n" + yield "0 0 translate\n" + yield "1.0 1.0 scale\n" + yield "0 0 0 setrgbcolor\n" + yield "[] 0 setdash\n" + yield "1 setlinewidth\n" + yield "1 setlinejoin\n" + yield "1 setlinecap\n" + +def prepare_colors(colors, out_name_by_color): + for i, color in enumerate(colors): + name = f"COLOR_{i}" + yield "/%s {" % name + out_name_by_color[color] = name - # fill - for i, uvs in face_iter_func(): - fw("newpath\n") - for j, uv in enumerate(uvs): - uv_scale = (uv[0] * image_width, uv[1] * image_height) - if j == 0: - fw("%.5f %.5f moveto\n" % uv_scale) - else: - fw("%.5f %.5f lineto\n" % uv_scale) + yield "gsave\n" + yield "%.3g %.3g %.3g setrgbcolor\n" % color + yield "fill\n" + yield "grestore\n" + yield "0 setgray\n" + yield "} def\n" - fw("closepath\n") - fw("DRAW_%d\n" % polys[i].material_index) +def draw_colored_polygons(face_data, name_by_color, width, height): + for uvs, color in face_data: + yield from draw_polygon_path(uvs, width, height) + yield "closepath\n" + yield "%s\n" % name_by_color[color] - # stroke only - for i, uvs in face_iter_func(): - fw("newpath\n") - for j, uv in enumerate(uvs): - uv_scale = (uv[0] * image_width, uv[1] * image_height) - if j == 0: - fw("%.5f %.5f moveto\n" % uv_scale) - else: - fw("%.5f %.5f lineto\n" % uv_scale) +def draw_lines(face_data, width, height): + for uvs, _ in face_data: + yield from draw_polygon_path(uvs, width, height) + yield "closepath\n" + yield "stroke\n" - fw("closepath\n") - fw("stroke\n") +def draw_polygon_path(uvs, width, height): + yield "newpath\n" + for j, uv in enumerate(uvs): + uv_scale = (uv[0] * width, uv[1] * height) + if j == 0: + yield "%.5f %.5f moveto\n" % uv_scale + else: + yield "%.5f %.5f lineto\n" % uv_scale - fw("showpage\n") - fw("%%EOF\n") +def footer(): + yield "showpage\n" + yield "%%EOF\n"
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