only import on demand
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parent
e23369df94
commit
25ef83878a
4 changed files with 722 additions and 107 deletions
215
butils.py
215
butils.py
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@ -314,7 +314,6 @@ def find_font_face_object(font_obj, face_name):
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return None
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def move_in_fontcollection(obj, fontcollection, allow_duplicates=False):
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# parent nesting structure
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# the font object
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font_obj = find_font_object(fontcollection,
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@ -377,80 +376,104 @@ def move_in_fontcollection(obj, fontcollection, allow_duplicates=False):
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return obj
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def load_font_from_filepath(filepath):
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def register_font_from_filepath(filepath):
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from .bimport import get_font_faces_in_file
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availables = get_font_faces_in_file(filepath)
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fonts = {}
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for a in availables:
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font_name = a["font_name"]
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face_name = a["face_name"]
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glyph = a["glyph"]
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if not font_name in fonts:
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fonts[font_name] = {}
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if not face_name in fonts[font_name]:
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fonts[font_name][face_name] = []
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fonts[font_name][face_name].append(glyph)
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for font_name in fonts:
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for face_name in fonts[font_name]:
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Font.register_font(font_name,
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face_name,
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fonts[font_name][face_name],
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filepath)
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def load_font_from_filepath(filepath, glyphs="", font_name="", face_name=""):
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if not filepath.endswith(".glb") and not filepath.endswith(".gltf"):
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ShowMessageBox(f"{bl_info['name']} Font loading error", 'ERROR', f"Filepath({filepath}) is not a *.glb or *.gltf file")
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return False
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abc3d_data = bpy.context.scene.abc3d_data
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allObjectsBefore = []
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for ob in bpy.data.objects:
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allObjectsBefore.append(ob.name)
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bpy.ops.import_scene.gltf(filepath=filepath)
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marker_property = "font_import"
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bpy.ops.abc3d.import_font_gltf(filepath=filepath,
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glyphs=glyphs,
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marker_property=marker_property,
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font_name=font_name,
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face_name=face_name)
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fontcollection = bpy.data.collections.get("ABC3D")
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if fontcollection is None:
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fontcollection = bpy.data.collections.new("ABC3D")
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modified_font_faces = []
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all_glyph_os = []
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remove_list = []
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all_objects = []
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for o in bpy.data.objects:
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all_objects.append(o)
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for o in all_objects:
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o_exists = True
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try:
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o, o.name
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except ReferenceError as e:
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o_exists = False
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if o_exists and o.name not in allObjectsBefore:
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# must be new
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if ("glyph" in o.keys()
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and "face_name" in o.keys()
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and "font_name" in o.keys()
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and not ("type" in o.keys() and o["type"] == "metrics")
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and not is_metrics_object(o)
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):
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glyph_id = o["glyph"]
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font_name = o["font_name"]
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face_name = o["face_name"]
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# ShowMessageBox("Loading Font", "INFO", f"adding glyph {glyph_id} for {font_name} {face_name}")
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print(f"adding glyph {glyph_id} for {font_name} {face_name}")
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glyph_obj = move_in_fontcollection(
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o,
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fontcollection)
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Font.add_glyph(
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font_name,
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face_name,
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glyph_id,
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glyph_obj)
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for c in o.children:
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if is_metrics_object(c):
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add_metrics_obj_from_bound_box(glyph_obj,
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bound_box_as_array(c.bound_box))
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if glyph_obj != o:
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remove_list.append(o)
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# found = False
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# for f in abc3d_data.available_fonts.values():
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# print(f"has in availables {f.font_name} {f.face_name}")
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# if f.font_name == font_name and f.face_name == face_name:
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# found = True
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# break
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# if not found:
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# f = abc3d_data.available_fonts.add()
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# f.font_name = font_name
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# f.face_name = face_name
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# print(f"{__name__} added {font_name} {face_name}")
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elif o_exists:
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for o in bpy.context.scene.objects:
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if marker_property in o:
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if "type" in o and o["type"] == "glyph":
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all_glyph_os.append(o)
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else:
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remove_list.append(o)
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for o in remove_list:
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try:
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bpy.data.objects.remove(o, do_unlink=True)
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except ReferenceError as e:
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print(f"{__name__} could not remove object, because it doesn't exist")
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print(f"{__name__}: loaded font from {filepath}")
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for o in all_glyph_os:
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glyph_id = o["glyph"]
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font_name = o["font_name"]
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face_name = o["face_name"]
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del o[marker_property]
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glyph_obj = move_in_fontcollection(
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o,
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fontcollection)
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Font.add_glyph(
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font_name,
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face_name,
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glyph_id,
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glyph_obj)
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for c in o.children:
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if is_metrics_object(c):
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add_metrics_obj_from_bound_box(glyph_obj,
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bound_box_as_array(c.bound_box))
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modified_font_faces.append({"font_name": font_name,
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"face_name": face_name})
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if glyph_obj != o:
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remove_list.append(o)
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for mff in modified_font_faces:
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glyphs = []
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face = Font.fonts[mff["font_name"]].faces[mff["face_name"]]
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# iterate glyphs
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for g in face.glyphs:
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# iterate alternates
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for glyph in face.glyphs[g]:
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glyphs.append(glyph)
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if len(glyphs) > 0:
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add_default_metrics_to_objects(glyphs)
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# calculate unit factor
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h = get_glyph_height(glyphs[0])
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if h != 0:
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face.unit_factor = 1 / h
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update_available_fonts()
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remove_list = []
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for o in bpy.context.scene.collection.all_objects:
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if not o.name in fontcollection.all_objects:
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if marker_property in o and o[marker_property] == True:
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remove_list.append(o)
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simply_delete_objects(remove_list)
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# completely_delete_objects(remove_list)
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def update_available_fonts():
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abc3d_data = bpy.context.scene.abc3d_data
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@ -491,11 +514,24 @@ def load_installed_fonts():
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if file.endswith(".glb") or file.endswith(".gltf"):
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font_path = os.path.join(font_dir, file)
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# ShowMessageBox("Loading Font", "INFO", f"loading font from {font_path}")
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print(f"loading font from {font_path}")
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for f in bpy.context.scene.abc3d_data.available_fonts.values():
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print(f"available font: {f.font_name} {f.face_name}")
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# print(f"loading font from {font_path}")
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# for f in bpy.context.scene.abc3d_data.available_fonts.values():
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# print(f"available font: {f.font_name} {f.face_name}")
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register_font_from_filepath(font_path)
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load_font_from_filepath(font_path)
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def register_installed_fonts():
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preferences = getPreferences(bpy.context)
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font_dir = f"{preferences.assets_dir}/fonts"
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for file in os.listdir(font_dir):
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if file.endswith(".glb") or file.endswith(".gltf"):
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font_path = os.path.join(font_dir, file)
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# ShowMessageBox("Loading Font", "INFO", f"loading font from {font_path}")
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# print(f"loading font from {font_path}")
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# for f in bpy.context.scene.abc3d_data.available_fonts.values():
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# print(f"available font: {f.font_name} {f.face_name}")
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register_font_from_filepath(font_path)
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def ShowMessageBox(title = "Message Box", icon = 'INFO', message=""):
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"""Show a simple message box
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@ -531,12 +567,15 @@ def ShowMessageBox(title = "Message Box", icon = 'INFO', message=""):
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self.layout.label(text=n)
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bpy.context.window_manager.popup_menu(draw, title = title, icon = icon)
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def completely_delete_objects(objs):
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def simply_delete_objects(objs):
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context_override = bpy.context.copy()
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context_override["selected_objects"] = list(objs)
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with bpy.context.temp_override(**context_override):
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bpy.ops.object.delete()
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def completely_delete_objects(objs):
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simply_delete_objects(objs)
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# remove deleted objects
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# this is necessary
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for g in objs:
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@ -578,7 +617,23 @@ def get_glyph_advance(glyph_obj):
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return abs(c.bound_box[4][0] - c.bound_box[0][0])
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return abs(glyph_obj.bound_box[4][0] - glyph_obj.bound_box[0][0])
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def set_text_on_curve(text_properties):
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def get_glyph_height(glyph_obj):
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for c in glyph_obj.children:
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if is_metrics_object(c):
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return abs(c.bound_box[0][1] - c.bound_box[3][1])
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return abs(glyph_obj.bound_box[0][1] - glyph_obj.bound_box[3][1])
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def prepare_text(font_name, face_name, text):
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loaded, missing, loadable, files = Font.test_glyphs_availability(
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font_name,
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face_name,
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text)
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if len(loadable) > 0:
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for filepath in files:
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load_font_from_filepath(filepath, loadable, font_name, face_name)
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return True
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def set_text_on_curve(text_properties, recursive=True):
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# starttime = time.perf_counter_ns()
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mom = text_properties.text_object
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if mom.type != "CURVE":
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@ -605,6 +660,22 @@ def set_text_on_curve(text_properties):
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# if we regenerate.... delete objects
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if regenerate:
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# loaded, missing, maybe, files = Font.test_glyphs_availability(
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# text_properties.font_name,
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# text_properties.face_name,
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# text_properties.text)
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# if len(maybe) > 0 and recursive:
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# print(f"doing the thing {len(files)} times")
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# for filepath in files:
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# def loader():
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# set_text_on_curve(text_properties, False)
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# print(f"loading font from filepath {filepath} {maybe}")
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# load_font_from_filepath(filepath, maybe)
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# print(f"font: {text_properties.font_name} face: {text_properties.face_name}")
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# print("text",text_properties.text)
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# text_properties.font_size = text_properties.font_size
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# # run_in_main_thread(loader)
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# return
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completely_delete_objects(glyph_objects)
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# context_override = bpy.context.copy()
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# context_override["selected_objects"] = list(glyph_objects)
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@ -696,7 +767,8 @@ def set_text_on_curve(text_properties):
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ob.rotation_quaternion = q
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# ob.rotation_quaternion = (mom.matrix_world @ q.to_matrix().to_4x4()).to_quaternion()
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scalor = 0.001 * text_properties.font_size
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face = Font.fonts[text_properties.font_name].faces[text_properties.face_name]
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scalor = face.unit_factor * text_properties.font_size
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glyph_advance = get_glyph_advance(glyph) * scalor + text_properties.letter_spacing
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@ -929,6 +1001,13 @@ def get_metrics_bound_box(bb, bb_uebermetrics):
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metrics[7][0] = bb[7][0]
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return metrics
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def get_metrics_object(o):
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if is_glyph(o):
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for c in o.children:
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if is_metrics_object(c):
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return c
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return None
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def add_default_metrics_to_objects(objects=None, overwrite_existing=False):
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if type(objects) == type(None):
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objects=bpy.context.selected_objects
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