fix dxf export freecad 1.x

.github/workflows/dxfExport.yml

@@ -6,25 +6,31 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
+    container:
+      image: amrit3701/freecad-cli:1.0.2-amd64-ubuntu22.04-py3.11-qt5
 
     steps:
+      - name: install nodejs
+        run: |
+          apt update
+          apt install curl -y
+          curl -fsSL https://deb.nodesource.com/setup_24.x | bash -
+          apt-get install -y nodejs
+          # apt install xvfb -y
+
       - name: Checkout code
         uses: actions/checkout@v4
 
-      - name: install freecad
-        run: |
-          sudo add-apt-repository ppa:freecad-maintainers/freecad-stable -y
-          sudo apt-get update
-          sudo apt-get install freecad -y
 
       - name: Run FreeCAD
         run: |
             mkdir /tmp/mirte-frame
             cp -r ./freecadFiles /tmp/mirte-frame
+            cp -r ./fonts /tmp/mirte-frame
             cp -r ./scripts /tmp/mirte-frame
             cp ./bill_of_materials.md /tmp/mirte-frame
             cd /tmp/mirte-frame/scripts
-            echo "exec(open(\"/tmp/mirte-frame/scripts/generate.py\").read())" | freecadcmd
+            echo "exec(open(\"/tmp/mirte-frame/scripts/generate.py\").read())" | FreeCADCmd
       - name: Upload DXF
         uses: actions/upload-artifact@v4
         with:

scripts/generate.py

@@ -15,6 +15,11 @@
 except ValueError:
     print("FreeCAD library not found.")
     exit()
+def makeRotatingPlacement(axis_origin, axis_dir, angle):
+    import FreeCAD as App
+    OZ = App.Vector(0,0,1)
+    local_cs = App.Placement(axis_origin, App.Rotation(OZ, axis_dir))
+    return local_cs.multiply(   App.Placement( App.Vector(), App.Rotation(angle,0,0) ).multiply( local_cs.inverse() )   )
 
 def getFilePath(body, name, build_path, type):
     type_path = (build_path / type)
@@ -67,14 +72,16 @@ def exportSTEP(body, name, build_path):
 
 
 def exportDXF(body, name, build_path):   
-    sv0 = Draft.make_shape2dview(body, FreeCAD.Vector(0, -1, 0))
+    # sv0 = Draft.make_shape2dview(body, FreeCAD.Vector(0, -1, 0))
     FreeCAD.getDocument(name).recompute()    
     pathOut = getFilePath(body, name, build_path, "dxf")
 
     # Code as shown in FreeCAD console when generating dxf file:
     __objs__ = []
-    __objs__.append(FreeCAD.getDocument(name).getObject(sv0.Name))
-
+    __objs__.append(FreeCAD.getDocument(name).getObject(body.Name))
+    spin = makeRotatingPlacement(FreeCAD.Vector(0,0,1),FreeCAD.Vector(1,0,0), -90)
+    __objs__[0].Placement = spin.multiply(__objs__[0].Placement)
+    FreeCAD.getDocument(name).recompute()
     if hasattr(importDXF, "exportOptions"):
         options = importDXF.exportOptions(pathOut)
         importDXF.export(__objs__, pathOut, options)
@@ -91,6 +98,24 @@ def renderFile(freecadFile):
         # Fix for motor clamp lock, the chamfer one is the final one
         if obj.isDerivedFrom("PartDesign::Body") or obj.isDerivedFrom("Part::Chamfer"):
             bodies.append(obj)
+
+    # Find all ShapeString objects and change the font file to an absolute path
+    for obj in doc.Objects:
+        print(obj.Name, obj.TypeId, obj.isDerivedFrom("Part::Part2DObjectPython"))
+        if obj.isDerivedFrom("Part::Part2DObjectPython"):
+            font_path = obj.FontFile
+            # get filename from font_path
+            font_filename = Path(font_path).name
+            abs_font_path = (freecadFile.parent / "../fonts" / font_filename).resolve() 
+            # test if file exists
+            if not abs_font_path.exists():
+                print(f"Font file {abs_font_path} does not exist!")
+                # print string to help debugging
+                print(f"Original font path: {font_path}")
+                print(f"Keys: {list(doc.getObject(obj.Name).PropertiesList)}")
+            obj.FontFile = str(abs_font_path)
+            print(f"Set font path for {obj.Name} to {obj.FontFile}")
+    FreeCAD.getDocument(freecadFile.stem).recompute()
     for body in bodies:
         build_dir = (freecadFile.parent / "../build").resolve()
         if not build_dir.exists():