# 替换所有文本样式中的字体为 gbcbig.shx
for style in doc.styles:
style.dxf.font = 'gbcbig.shx'
import ezdxf from ezdxf.addons.drawing import RenderContext, Frontend from ezdxf.addons.drawing.matplotlib import MatplotlibBackend import matplotlib.pyplot as plt import tkinter as tk from tkinter import filedialog import os import subprocess import sys def dxf_to_pdf(dxf_path, pdf_path): """将DXF文件转换为PDF，并将所有字体替换为gbcbig.shx""" # 读取 DXF 文件 doc = ezdxf.readfile(dxf_path) # 替换所有文本样式中的字体为 gbcbig.shx for style in doc.styles: style.dxf.font = 'gbcbig.shx' # 创建渲染环境 fig = plt.figure() ax = fig.add_axes([0, 0, 1, 1]) # 创建后端渲染器 backend = MatplotlibBackend(ax) context = RenderContext(doc) frontend = Frontend(context, backend) # 渲染图形 frontend.draw_layout(doc.modelspace()) backend.finalize() # 保存为 PDF fig.savefig(pdf_path, format='pdf', bbox_inches='tight') plt.close(fig) def open_file(filepath): """跨平台打开文件""" if sys.platform.startswith('darwin'): # macOS subprocess.call(['open', filepath]) elif sys.platform.startswith('win'): # Windows os.startfile(filepath) elif sys.platform.startswith('linux'): # Linux subprocess.call(['xdg-open', filepath]) def convert_dxf_full_gui(): """完整的GUI交互式DXF转PDF功能""" # 创建隐藏的根窗口 root = tk.Tk() root.withdraw() # 隐藏主窗口 root.attributes('-topmost', True) # 确保对话框置顶显示 # 选择DXF文件 dxf_path = filedialog.askopenfilename( title="选择DXF文件", filetypes=[("DXF files", "*.dxf"), ("All files", "*.*")] ) if not dxf_path: print("未选择DXF文件，程序退出") root.destroy() return # 弹窗选择保存路径和文件名 pdf_path = filedialog.asksaveasfilename( title="保存PDF文件", defaultextension=".pdf", filetypes=[("PDF files", "*.pdf"), ("All files", "*.*")], initialfile=os.path.splitext(os.path.basename(dxf_path))[0] + ".pdf" # 默认文件名为DXF文件名 ) # 销毁根窗口 root.destroy() # 如果用户选择了保存路径，则执行转换 if pdf_path: try: dxf_to_pdf(dxf_path, pdf_path) print(f"转换完成: {pdf_path}") # 转换完成后打开PDF文件 open_file(pdf_path) except Exception as e: print(f"转换失败: {e}") else: print("操作已取消") # 运行完整GUI版本 if __name__ == "__main__": convert_dxf_full_gui()
