TechDrawAnnoTextFromv018.FCMacro

#!/usr/bin/env python
# -*- coding: utf-8 -*-

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"""Migrates Annotation Text made in FreeCAD v0.18 to v0.19."""

__Name__ = 'TechDrawAnnoTextFromv018'
__Comment__ = 'Convert v018 Annotation Text size to v019'
__Author__ = 'WandererFan'
__Version__ = '0.1.0'
__License__ = 'CC-BY-3.0'
__Web__ = 'http://www.freecadweb.org/'
__Wiki__ = 'http://www.freecadweb.org/wiki/Macro_TechDrawAnnoTextFromv018'
__Icon__ = ''
__Help__ = 'Open a v018 file in v019, execute'
__Status__ = 'Alpha'
__Requires__ = ''
__Communication__ = 'https://github.com/FreeCAD/FreeCAD-macros/issues/'
__Files__ = ''

# font sizes were once set using QFont.setPointSize but are now set using QFont.setPixelSize.
# text set the old way will be bigger than text set the new way since points are bigger than
# pixels.  This macro adjusts the text size in old files to give approximately the same size
# result.

import FreeCAD as App
import TechDraw

def TechDrawAnnoTextFromv018():
    factor = 96.0/72.0    # pixels/inch vs points/inch
    for obj in App.ActiveDocument.Objects:
        if obj.isDerivedFrom("TechDraw::DrawViewAnnotation"):
            oldSize = obj.TextSize
            obj.TextSize = oldSize * factor
        if obj.isDerivedFrom("TechDraw::DrawViewDimension"):
            oldSize = obj.ViewObject.Fontsize
            obj.ViewObject.Fontsize = oldSize * factor
        if obj.isDerivedFrom("TechDraw::DrawViewBalloon"):
            oldSize = obj.ViewObject.Fontsize
            obj.ViewObject.Fontsize = oldSize * factor


if __name__ == '__main__':
    TechDrawAnnoTextFromv018()
    App.ActiveDocument.recompute()