# Copyright (c) 2022-2023, Manfred Moitzi # License: MIT License from typing import Set, List import pathlib import string import ezdxf from ezdxf import path, zoom from ezdxf.fonts import shapefile from ezdxf.math import Matrix44 from ezdxf.filemanagement import find_support_file CWD = pathlib.Path("~/Desktop/Outbox").expanduser() if not CWD.exists(): CWD = pathlib.Path("..") # ------------------------------------------------------------------------------ # The support of SHX- and SHP files is a work in progress not ready for # production yet! # ------------------------------------------------------------------------------ # I can not include the test files in the repository because these shape files # are generated from copyright protected Autodesk SHX files by the program dumpshx.exe # Add the directory containing the shx/shp files to your config file: # 1. create a default config file in home directory at ~/.config/ezdxf/ezdxf.ini # # $ ezdxf config --home # # 2. add the font directory as support dir, this is my config file: # [core] # default_dimension_text_style = OpenSansCondensed-Light # test_files = ~/src/dxftest # support_dirs = ~/src/shx-fonts # ~/src/ctb # ... SHAPE_FILE_DIRS = [r"C:\Source\shx-fonts"] LETTERS = ( string.ascii_uppercase, string.ascii_lowercase, string.digits + string.digits, string.punctuation, ) RENDER_POS = 0 SPECIAL_CODES = "special_codes.shp" def render_font(fontname: str): fontname = find_support_file(fontname, SHAPE_FILE_DIRS) font = shapefile.readfile(fontname) doc = ezdxf.new() msp = doc.modelspace() line_height = font.cap_height / 3 * 5 y = RENDER_POS for text_line in (f"FONT: {fontname}",) + LETTERS: text_path = font.render_text(text_line) text_path = text_path.transform(Matrix44.translate(0, y, 0)) path.render_splines_and_polylines(msp, [text_path]) y -= line_height zoom.extents(msp) filename = pathlib.Path(fontname).name filename = CWD / (filename + ".dxf") doc.saveas(filename) print(f"created {filename}") def render_txt(fontname: str, text: str): fontname = find_support_file(fontname, SHAPE_FILE_DIRS) font = shapefile.readfile(fontname) doc = ezdxf.new() msp = doc.modelspace() text_path = font.render_text(text) path.render_splines_and_polylines(msp, [text_path]) zoom.extents(msp) filename = pathlib.Path(fontname).name filename = CWD / (filename + ".text.dxf") doc.saveas(filename) print(f"created {filename}") def debug_letter(shp_data: bytes, num: int, filename: str): font = shapefile.shp_load(shp_data) doc = ezdxf.new() msp = doc.modelspace() text_path = font.render_shape(num) path.render_splines_and_polylines(msp, [text_path]) zoom.extents(msp) doc.saveas(CWD / filename) print(f"created {filename}") def render_all_chars(fontpath: pathlib.Path): # ignore non-ascii characters in comments and names shp_data = fontpath.read_bytes() font = shapefile.shp_load(shp_data) doc = ezdxf.new() msp = doc.modelspace() numbers = list(font.shapes.keys()) text_path = font.render_shapes(numbers) path.render_splines_and_polylines(msp, [text_path]) zoom.extents(msp) export_path = fontpath.with_suffix(".dxf") doc.saveas(export_path) print(f"created {export_path}") def find_fonts_with_codes(folder: str, codes: Set[int]): shapefile.DEBUG = True shapefile.DEBUG_CODES = set(codes) export_data: List[bytes] = [] num = 32 for filepath in pathlib.Path(folder).glob("*.shp"): print("-" * 79) print(f"probing: {filepath}") # ignore non-ascii characters in comments and names shp_data = filepath.read_bytes() try: font = shapefile.shp_load(shp_data) except shapefile.ShapeFileException as e: print(str(e)) continue shapefile.DEBUG_SHAPE_NUMBERS.clear() font.render_shapes(list(font.shapes.keys())) if len(shapefile.DEBUG_SHAPE_NUMBERS) == 0: continue export_data.append(b";;" + str(filepath).encode()) for shape_number in shapefile.DEBUG_SHAPE_NUMBERS: export_data.append(f";; source shape number *{shape_number:05X}".encode()) export_data.extend(font.shape_string(shape_number, as_num=num)) export_data.append(b"") num += 1 with open(CWD / SPECIAL_CODES, mode="wb") as fp: fp.write(b"\r\n".join(export_data)) shapefile.DEBUG = False # bold.shp letter C: DEBUG_UCC = b""" *00043,156,ucc 2,8,(-2,30),5,1, 11,(0,125,0,30,044), 078,2,6,5,1, 11,(0,125,0,30,-044), 078,2,6,010,5,1,11,(0,119,0,29,044),2,6,5,1, 11,(0,119,0,29,-044),2,6,010,5,1,11,(0,114,0,28,044),2,6,5,1, 11,(0,114,0,28,-044),2,6,010,5,1,11,(0,108,0,27,044),2,6,5,1, 11,(0,108,0,27,-044),2,6,010,5,1,11,(0,102,0,26,044),2,6,5,1, 11,(0,102,0,26,-044),2,6,010,5,1,11,(0,97,0,25,044),2,6,5,1, 11,(0,97,0,25,-044),2,6,010,5,1,11,(0,90,0,24,044),2,6,5,1, 11,(0,90,0,24,-044),2,6,8,(60,-30),0 """ DEBUG_UCR = b"""*00052,259,ucr 060,8,(0,28),2,064,1,8,(0,20),8,(22,0),10,(10,-024),8,(-22,0),2, 06C,1,8,(23,0),10,(6,-022),8,(1,-18),11,(0,97,0,14,041),3,2,0D0, 4,2,11,(85,0,0,8,-051),8,(-1,18),11,(0,15,0,12,002), 11,(199,0,0,16,064),8,(-28,0),8,(0,-60),2,012,1,8,(0,58), 8,(27,0),11,(0,85,0,15,-024),11,(205,0,0,11,-022),8,(1,-18),5, 11,(0,148,0,9,041),2,6,018,1,5,11,(0,136,0,10,041),2,6,018,1,5, 11,(0,119,0,11,041),2,6,018,1,5,11,(0,108,0,12,041),2,6,018,1,5, 11,(0,102,0,13,041),2,6,1,8,(-1,18),10,(7,002),8,(-24,0), 8,(0,-28),048,2,012,1,8,(0,56),8,(26,0),11,(0,131,0,14,-024), 11,(142,0,0,10,-022),8,(1,-18),2,028,1,8,(-1,18),10,(8,002), 8,(-25,0),8,(0,-28),028,2,012,1,8,(0,54),8,(25,0),10,(13,-024),5, 010,10,(9,-022),8,(1,-18),6,8,(-25,0),2,012,1,8,(0,24),8,(24,0), 10,(12,-024),8,(-24,0),2,012,1,8,(0,22),8,(23,0),10,(11,-024), 8,(-23,0),2,8,(47,-33),0 """ DEBUG = False if __name__ == "__main__": render_font("symap.shx") render_font("bold.shx") render_font("ISO.shx") render_font("isocp.shx") render_txt("bold.shx", " ___A_A___ ___") if DEBUG: find_fonts_with_codes("C:\\Source\\shx-fonts", codes={11}) render_all_chars(CWD / SPECIAL_CODES) render_txt("bold.shx", "R?") debug_letter(DEBUG_UCR, 0x43, "bold_c.dxf") render_all_chars( pathlib.Path(find_support_file("bold.shx", ezdxf.options.support_dirs)) )