Feature to set and resize text to 1.8, 2.5, 3.5, 5 and 7 sizes

src/ifcblenderexport/blenderbim/bim/__init__.py

@@ -121,6 +121,7 @@ if bpy is not None:
         operator.RemoveIfcFile,
         operator.SelectDocIfcFile,
         operator.AddAnnotation,
+        operator.ResizeText,
         prop.StrProperty,
         prop.Classification,
         prop.ClassificationReference,
@@ -151,6 +152,7 @@ if bpy is not None:
         prop.SweptSolid,
         prop.BIMMeshProperties,
         prop.BIMCameraProperties,
+        prop.BIMTextProperties,
         ui.BIM_PT_section_plane,
         ui.BIM_PT_documentation,
         ui.BIM_PT_bim,
@@ -173,6 +175,7 @@ if bpy is not None:
         ui.BIM_PT_classification_references,
         ui.BIM_PT_documents,
         ui.BIM_PT_camera,
+        ui.BIM_PT_text,
         ui.BIM_UL_document_information,
         ui.BIM_UL_document_references,
         ui.BIM_UL_topics,
@@ -210,6 +213,7 @@ if bpy is not None:
         bpy.types.Material.BIMMaterialProperties = bpy.props.PointerProperty(type=prop.BIMMaterialProperties)
         bpy.types.Mesh.BIMMeshProperties = bpy.props.PointerProperty(type=prop.BIMMeshProperties)
         bpy.types.Camera.BIMCameraProperties = bpy.props.PointerProperty(type=prop.BIMCameraProperties)
+        bpy.types.TextCurve.BIMTextProperties = bpy.props.PointerProperty(type=prop.BIMTextProperties)
 
     def unregister():
         for cls in reversed(classes):
@@ -227,3 +231,4 @@ if bpy is not None:
         del(bpy.types.Material.BIMMaterialProperties)
         del(bpy.types.Mesh.BIMMeshProperties)
         del(bpy.types.Camera.BIMCameraProperties)
+        del(bpy.types.Camera.BIMTextProperties)

src/ifcblenderexport/blenderbim/bim/annotation.py

@@ -1,4 +1,5 @@
 import bpy
+import os
 from mathutils import Vector
 
 class Annotator:
@@ -12,9 +13,33 @@ class Annotator:
         co1, co2 = Annotator.get_placeholder_coords()
         obj.location = co1
         obj.hide_render = True
-        bpy.context.scene.collection.objects.link(obj)
+        font = bpy.data.fonts.get('OpenGost TypeB TT')
+        if not font:
+            font = bpy.data.fonts.load(os.path.join(
+                bpy.context.scene.BIMProperties.data_dir, 'fonts', 'OpenGost Type B TT.ttf'))
+            font.name = 'OpenGost Type B TT'
+        obj.data.font = font
+        obj.data.BIMTextProperties.font_size = '2.5'
+        collection = bpy.context.scene.camera.users_collection[0]
+        collection.objects.link(obj)
+        Annotator.resize_text(obj)
         return obj
 
+    @staticmethod
+    def resize_text(text_obj):
+        camera = None
+        for obj in text_obj.users_collection[0].objects:
+            if isinstance(obj.data, bpy.types.Camera):
+                camera = obj
+                break
+        if not camera:
+            return
+        # This is a magic number for OpenGost
+        font_size = 1.6 / 1000
+        font_size *= float(text_obj.data.BIMTextProperties.font_size)
+        font_size *= float(camera.data.BIMCameraProperties.diagram_scale.split(':')[1])
+        text_obj.data.size = font_size
+
     @staticmethod
     def add_line_to_annotation(obj):
         co1, co2 = Annotator.get_placeholder_coords()

src/ifcblenderexport/blenderbim/bim/operator.py

@@ -1526,6 +1526,7 @@ class CreateView(bpy.types.Operator):
         views_collection.children.link(view_collection)
         camera = bpy.data.objects.new(bpy.context.scene.DocProperties.view_name, bpy.data.cameras.new(bpy.context.scene.DocProperties.view_name))
         camera.data.type = 'ORTHO'
+        camera.data.BIMCameraProperties.diagram_scale = '1:100'
         bpy.context.scene.camera = camera
         view_collection.objects.link(camera)
         area = next(area for area in bpy.context.screen.areas if area.type == 'VIEW_3D')
@@ -2408,3 +2409,14 @@ class AddAnnotation(bpy.types.Operator):
         bpy.context.view_layer.objects.active = obj
         bpy.ops.object.mode_set(mode='EDIT')
         return {'FINISHED'}
+
+
+class ResizeText(bpy.types.Operator):
+    bl_idname = 'bim.resize_text'
+    bl_label = 'Resize Text'
+
+    def execute(self, context):
+        for obj in bpy.context.scene.camera.users_collection[0].objects:
+            if isinstance(obj.data, bpy.types.TextCurve):
+                annotation.Annotator.resize_text(obj)
+        return {'FINISHED'}

src/ifcblenderexport/blenderbim/bim/prop.py

@@ -7,6 +7,7 @@ from . import export_ifc
 from . import schema
 from . import bcf
 from . import ifc
+from . import annotation
 import bpy
 from bpy.types import PropertyGroup
 from bpy.app.handlers import persistent
@@ -366,6 +367,10 @@ def getSheets(self, context):
     return sheets_enum
 
 
+def refreshFontSize(self, context):
+    annotation.Annotator.resize_text(context.active_object)
+
+
 class StrProperty(PropertyGroup):
     pass
 
@@ -390,6 +395,16 @@ class BIMCameraProperties(PropertyGroup):
     is_nts: BoolProperty(name='Is NTS')
 
 
+class BIMTextProperties(PropertyGroup):
+    font_size: EnumProperty(items=[
+        ('1.8', '1.8', ''),
+        ('2.5', '2.5', ''),
+        ('3.5', '3.5', ''),
+        ('5.0', '5.0', ''),
+        ('7.0', '7.0', ''),
+        ], update=refreshFontSize, name='Font Size')
+
+
 class DocumentInformation(PropertyGroup):
     name: StringProperty(name='Identification')
     human_name: StringProperty(name='Name')

src/ifcblenderexport/blenderbim/bim/ui.py

@@ -630,11 +630,34 @@ class BIM_PT_camera(Panel):
         row = layout.row()
         row.prop(props, 'is_nts')
 
+        row = layout.row()
+        row.operator('bim.resize_text')
+
         row = layout.row(align=True)
         row.prop(props, 'diagram_scale', text='')
         row.operator('bim.cut_section')
 
 
+class BIM_PT_text(Panel):
+    bl_label = "Text Paper Space"
+    bl_idname = "BIM_PT_text"
+    bl_space_type = 'PROPERTIES'
+    bl_region_type = 'WINDOW'
+    bl_context = 'data'
+
+    @classmethod
+    def poll(cls, context):
+        return (type(context.curve) is bpy.types.TextCurve)
+
+    def draw(self, context):
+        layout = self.layout
+        layout.use_property_split = True
+        props = context.active_object.data.BIMTextProperties
+
+        row = layout.row()
+        row.prop(props, 'font_size')
+
+
 class BIM_PT_owner(Panel):
     bl_label = "Owner History"
     bl_idname = "BIM_PT_owner"
@@ -655,6 +678,7 @@ class BIM_PT_owner(Panel):
         row = layout.row()
         row.prop(props, 'organisation')
 
+
 class BIM_PT_context(Panel):
     bl_label = "Geometric Representation Contexts"
     bl_idname = "BIM_PT_context"