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Fix qt5 mouse #8440

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Merged
efiring merged 6 commits into from
Apr 24, 2017
Merged

Fix qt5 mouse #8440

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a40620a
FIX: internally Matplotlib works in screen pixels not logical pixels
tacaswell Apr 7, 2017
39b86d6
MNT: tweak the toolbar for Qt
tacaswell Apr 8, 2017
5a6826f
MNT: Always use scaling with Qt if available
tacaswell Apr 8, 2017
d739943
ENH: setting the DPI properly propagates
tacaswell Apr 8, 2017
533f0bb
TST: add test for dpi change
tacaswell Apr 8, 2017
278e8ef
FIX: fix up savefig dpi if scaled for screen
tacaswell Apr 10, 2017
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ENH: setting the DPI properly propagates 
Set the figure size back to the current value to push the dpi (and
hence rendered size) change through.
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@tacaswell
tacaswell committed Apr 17, 2017
commit d739943d85133a9e363ff8560e62ab3e978529f4
22 changes: 13 additions & 9 deletions lib/matplotlib/figure.py
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Original file line number Diff line number Diff line change
Expand Up @@ -323,9 +323,10 @@ def __init__(self,
if frameon is None:
frameon = rcParams['figure.frameon']

self.dpi_scale_trans = Affine2D()
self.dpi = dpi
self.bbox_inches = Bbox.from_bounds(0, 0, *figsize)
self.dpi_scale_trans = Affine2D().scale(dpi, dpi)
# do not use property as it will trigger
self._dpi = dpi
self.bbox = TransformedBbox(self.bbox_inches, self.dpi_scale_trans)

self.frameon = frameon
Expand Down Expand Up @@ -413,6 +414,7 @@ def _get_dpi(self):
def _set_dpi(self, dpi):
self._dpi = dpi
self.dpi_scale_trans.clear().scale(dpi, dpi)
self.set_size_inches(*self.get_size_inches())
self.callbacks.process('dpi_changed', self)
dpi = property(_get_dpi, _set_dpi)

Expand Down Expand Up @@ -710,13 +712,15 @@ def set_size_inches(self, w, h=None, forward=True):
self.bbox_inches.p1 = w, h

if forward:
ratio = getattr(self.canvas, '_dpi_ratio', 1)
dpival = self.dpi / ratio
canvasw = w * dpival
canvash = h * dpival
manager = getattr(self.canvas, 'manager', None)
if manager is not None:
manager.resize(int(canvasw), int(canvash))
canvas = getattr(self, 'canvas')
if canvas is not None:
ratio = getattr(self.canvas, '_dpi_ratio', 1)
dpival = self.dpi / ratio
canvasw = w * dpival
canvash = h * dpival
manager = getattr(self.canvas, 'manager', None)
if manager is not None:
manager.resize(int(canvasw), int(canvash))
self.stale = True

def get_size_inches(self):
Expand Down