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make-xges: Perform a simplistic conversion of text annotations #9

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make-xges: Perform a simplistic conversion of text annotations #9

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ef9976e
make-xges: Perform a simplistic conversion of text annotations
jhenstridge Apr 7, 2021
f040252
make-xges: use 'fill:currentcolor' to set text colour
jhenstridge Apr 9, 2021
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34 changes: 32 additions & 2 deletions make-xges.py
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Original file line number Diff line number Diff line change
Expand Up @@ -173,6 +173,37 @@ def add_webcams(self):
self.opts.width - width, 0,
width, height)

def _clean_shape(self, shape):
# Shapes are hidden by default, as the JavaScript player would
# make the visible as appropriate.
style = shape.get('style').replace('visibility:hidden;', '')

# Add an SVG <text> fallback to text shapes
switch = shape.find('./{http://www.w3.org/2000/svg}switch')
if switch is not None:
fo = switch.find('./{http://www.w3.org/2000/svg}foreignObject')
p = fo.find('./{http://www.w3.org/1999/xhtml}p')
# <p> tag contains lines separated by <br/> elements
lines = [p.text]
for br in p.iterfind('./{http://www.w3.org/1999/xhtml}br'):
lines.append(br.tail)

text = ET.Element('{http://www.w3.org/2000/svg}text')
text.set('x', fo.get('x'))
text.set('y', fo.get('y'))
for line in lines:
tspan = ET.Element('{http://www.w3.org/2000/svg}tspan')
tspan.set('x', fo.get('x'))
tspan.set('dy', '1em')
tspan.text = line
text.append(tspan)

style += ';fill:currentcolor'
shape.remove(switch)
shape.append(text)

shape.set('style', style)

def add_slides(self, with_annotations):
layer = self._add_layer('Slides')
doc = ET.parse(os.path.join(self.opts.basedir, 'shapes.svg'))
Expand Down Expand Up @@ -252,8 +283,7 @@ def add_slides(self, with_annotations):
info = slides[canvas.get('image')]
t = IntervalTree()
for index, shape in enumerate(canvas.iterfind('./{http://www.w3.org/2000/svg}g[@class="shape"]')):
shape.set('style', shape.get('style').replace(
'visibility:hidden;', ''))
self._clean_shape(shape)
timestamp = round(float(shape.get('timestamp')) * Gst.SECOND)
undo = round(float(shape.get('undo')) * Gst.SECOND)
if undo < 0:
Expand Down