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when exporting SVG, map user units to mm so the coordinates make sense

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This commit changes SVG export so that the user unit (what SVG calls
'px') is defined to be 1 mm.

This lets us write out the native sketch coordinates in the SVG file,
and the SVG will contain a drawing of the correct size (same size as
what's in FreeCAD).
This commit is contained in:
Sebastian Kuzminsky 2012-02-09 09:03:19 -07:00
parent 6960b49098
commit 5ac5814369
1 changed files with 3 additions and 1 deletions
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4
src/Mod/Draft/importSVG.py
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@ -961,12 +961,14 @@ def export(exportList,filename):
boty = sizey+miny
# writing header
# we specify the svg width and height in FreeCAD's physical units (mm),
# and specify the viewBox so that user units maps one-to-one to mm
svg = pythonopen(filename,'wb')
svg.write('<?xml version="1.0"?>\n')
svg.write('<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"')
svg.write(' "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">\n')
svg.write('<svg')
svg.write(' width="' + str(sizex) + '" height="' + str(sizey) + '"')
svg.write(' width="' + str(sizex) + 'mm" height="' + str(sizey) + 'mm"')
svg.write(' viewBox="0 0 ' + str(sizex) + ' ' + str(sizey) + '"')
svg.write(' xmlns="http://www.w3.org/2000/svg" version="1.1"')
svg.write('>\n')