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Automated adjustment of annotations scale if either camera orthographic scale or drawing scale changed

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This commit is contained in:
Andrej730
2023-03-22 15:56:55 +05:00
parent 37a6be1e2b
commit fc55a48c11
1 changed files with 9 additions and 6 deletions
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src/blenderbim/blenderbim/bim/module/drawing/decoration.py
+9 -6
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@@ -181,6 +181,11 @@ class BaseDecorator:
defines=self.DEF_GLSL, defines=self.DEF_GLSL,
) )
self.font_id = blf.load(
os.path.join(bpy.context.scene.BIMProperties.data_dir, "fonts", "OpenGost Type B TT.ttf")
)
def get_camera_width_mm(self):
# Horrific prototype code to ensure bgl draws at drawing scales # Horrific prototype code to ensure bgl draws at drawing scales
# https://blender.stackexchange.com/questions/16493/is-there-a-way-to-fit-the-viewport-to-the-current-field-of-view # https://blender.stackexchange.com/questions/16493/is-there-a-way-to-fit-the-viewport-to-the-current-field-of-view
def is_landscape(render): def is_landscape(render):
@@ -200,11 +205,9 @@ class BaseDecorator:
camera_width_model = camera.data.ortho_scale camera_width_model = camera.data.ortho_scale
else: else:
camera_width_model = camera.data.ortho_scale / render.resolution_y * render.resolution_x camera_width_model = camera.data.ortho_scale / render.resolution_y * render.resolution_x
self.camera_width_mm = get_scale(camera) * camera_width_model
self.font_id = blf.load( camera_width_mm = get_scale(camera) * camera_width_model
os.path.join(bpy.context.scene.BIMProperties.data_dir, "fonts", "OpenGost Type B TT.ttf") return camera_width_mm
)
def camera_zoom_to_factor(self, zoom): def camera_zoom_to_factor(self, zoom):
return math.pow(((zoom / 50) + math.sqrt(2)) / 2, 2) return math.pow(((zoom / 50) + math.sqrt(2)) / 2, 2)
@@ -368,7 +371,7 @@ class BaseDecorator:
# Horrific prototype code # Horrific prototype code
factor = self.camera_zoom_to_factor(context.space_data.region_3d.view_camera_zoom) factor = self.camera_zoom_to_factor(context.space_data.region_3d.view_camera_zoom)
camera_width_px = factor * context.region.width camera_width_px = factor * context.region.width
mm_to_px = camera_width_px / self.camera_width_mm mm_to_px = camera_width_px / self.get_camera_width_mm()
# 0.00025 is a magic constant number I visually discovered to get the right number. # 0.00025 is a magic constant number I visually discovered to get the right number.
# It probably should be dynamically calculated using system.dpi or something. # It probably should be dynamically calculated using system.dpi or something.
viewport_drawing_scale = 0.00025 * mm_to_px viewport_drawing_scale = 0.00025 * mm_to_px
@@ -417,7 +420,7 @@ class BaseDecorator:
# Horrific prototype code # Horrific prototype code
factor = self.camera_zoom_to_factor(context.space_data.region_3d.view_camera_zoom) factor = self.camera_zoom_to_factor(context.space_data.region_3d.view_camera_zoom)
camera_width_px = factor * context.region.width camera_width_px = factor * context.region.width
mm_to_px = camera_width_px / self.camera_width_mm mm_to_px = camera_width_px / self.get_camera_width_mm()
# 0.004118616 is a magic constant number I visually discovered to get the right number. # 0.004118616 is a magic constant number I visually discovered to get the right number.
# In particular it works only for the OpenGOST font and produces a 2.5mm font size. # In particular it works only for the OpenGOST font and produces a 2.5mm font size.
# It probably should be dynamically calculated using system.dpi or something. # It probably should be dynamically calculated using system.dpi or something.