load specific font in memory

__init__.py

@@ -347,6 +347,10 @@ class ABC3D_PT_FontList(bpy.types.Panel):
                 scale_y = 0.5
                 row = subbox.row(); row.scale_y = scale_y
                 row.label(text=text)
+            row = layout.row()
+            oper = row.operator(f"{__name__}.load_font", text='Load all glyphs in memory')
+            oper.font_name = font_name
+            oper.face_name = face_name
 
 
 class ABC3D_PT_TextPlacement(bpy.types.Panel):
@@ -710,6 +714,21 @@ class ABC3D_OT_LoadInstalledFonts(bpy.types.Operator):
 
         return {'FINISHED'}
 
+class ABC3D_OT_LoadFont(bpy.types.Operator):
+    """Load all glyphs from a specific font in memory.\nThis can take a while and slow down Blender."""
+    bl_idname = f"{__name__}.load_font"
+    bl_label = "Loading Font."
+    bl_options = {'REGISTER', 'UNDO'}
+
+    font_name: bpy.props.StringProperty()
+    face_name: bpy.props.StringProperty()
+
+    def execute(self, context):
+        filepaths = Font.fonts[self.font_name].faces[self.face_name].filepaths
+        for f in filepaths:
+            butils.load_font_from_filepath(f)
+        return {'FINISHED'}
+
 class ABC3D_OT_AddDefaultMetrics(bpy.types.Operator):
     """Add default metrics to selected objects"""
     bl_idname = f"{__name__}.add_default_metrics"
@@ -1353,6 +1372,7 @@ classes = (
             ABC3D_PT_FontCreation,
             ABC3D_PT_TextPropertiesPanel,
             ABC3D_OT_LoadInstalledFonts,
+            ABC3D_OT_LoadFont,
             ABC3D_OT_AddDefaultMetrics,
             ABC3D_OT_RemoveMetrics,
             ABC3D_OT_AlignMetricsToActiveObject,

butils.py

@@ -695,9 +695,14 @@ def set_text_on_curve(text_properties, recursive=True):
     is_command = False
     previous_spline_index = -1
     for i, c in enumerate(text_properties.text):
+        face = Font.fonts[text_properties.font_name].faces[text_properties.face_name]
+        scalor = face.unit_factor * text_properties.font_size
         if c == '\\':
             is_command = True
             continue
+        if c == ' ':
+            advance = advance + scalor
+            continue
         is_newline = False
         if is_command:
             if c == 'n':
@@ -767,8 +772,6 @@ def set_text_on_curve(text_properties, recursive=True):
                 ob.rotation_quaternion = q
                 # ob.rotation_quaternion = (mom.matrix_world @ q.to_matrix().to_4x4()).to_quaternion()
 
-        face = Font.fonts[text_properties.font_name].faces[text_properties.face_name]
-        scalor = face.unit_factor * text_properties.font_size
 
         glyph_advance = get_glyph_advance(glyph) * scalor + text_properties.letter_spacing
 
@@ -776,7 +779,7 @@ def set_text_on_curve(text_properties, recursive=True):
         # otherwise letters will be closer together the curvier the bezier is
         # this could be done more efficiently, but whatever
         curve_compensation = 0
-        if distribution_type == 'CALCULATE' and not is_newline:
+        if distribution_type == 'CALCULATE' and (not is_newline or spline_index == 0): # TODO: fix newline hack
             if text_properties.compensate_curvature and glyph_advance > 0:
                 previous_location, psi = calc_point_on_bezier_curve(mom, advance, False, True)
                 new_location, si = calc_point_on_bezier_curve(mom, advance + glyph_advance, False, True)