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gui: handle the now-normalized pressure range 

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2019-07-19 13:52:04 +10:00
parent 3c3163261f
commit 6b623132e5
1 changed files with 2 additions and 1 deletions
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3
tuhigui/svg.py
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@ -66,7 +66,8 @@ class JsonSvg(GObject.Object):
elif self.orientation == 'reverse-landscape': elif self.orientation == 'reverse-landscape':
x, y = width - x, height - y x, y = width - x, height - y
delta = (p['pressure'] - 1000.0) / 1000.0 # Pressure normalized range is [0, 0xffff]
delta = (p['pressure'] - 0x8000) / 0x8000
stroke_width = 0.4 + 0.20 * delta stroke_width = 0.4 + 0.20 * delta
points_with_sk_width.append((x, y, stroke_width)) points_with_sk_width.append((x, y, stroke_width))