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Backport PR #23985 on branch v3.6.x (Improve rubberband rendering in wx and tk) by meeseeksmachine · Pull Request #24233 · matplotlib/matplotlib · GitHub

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Backport PR #23985 on branch v3.6.x (Improve rubberband rendering in wx and tk) #24233

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Merged
QuLogic merged 1 commit into from
Oct 21, 2022
Conversation 0 Commits 1 Checks 0 Files changed
Merged

Backport PR #23985 on branch v3.6.x (Improve rubberband rendering in wx and tk) #24233

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30 changes: 20 additions & 10 deletions lib/matplotlib/backends/_backend_tk.py
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Original file line number Diff line number Diff line change
Expand Up @@ -212,7 +212,8 @@ def filter_destroy(event):

self._tkcanvas.focus_set()

self._rubberband_rect = None
self._rubberband_rect_black = None
self._rubberband_rect_white = None

def _update_device_pixel_ratio(self, event=None):
# Tk gives scaling with respect to 72 DPI, but Windows screens are
Expand Down Expand Up @@ -667,21 +668,30 @@ def set_message(self, s):

def draw_rubberband(self, event, x0, y0, x1, y1):
# Block copied from remove_rubberband for backend_tools convenience.
if self.canvas._rubberband_rect:
self.canvas._tkcanvas.delete(self.canvas._rubberband_rect)
if self.canvas._rubberband_rect_white:
self.canvas._tkcanvas.delete(self.canvas._rubberband_rect_white)
if self.canvas._rubberband_rect_black:
self.canvas._tkcanvas.delete(self.canvas._rubberband_rect_black)
height = self.canvas.figure.bbox.height
y0 = height - y0
y1 = height - y1
self.canvas._rubberband_rect = self.canvas._tkcanvas.create_rectangle(
x0, y0, x1, y1)
self.canvas._rubberband_rect_black = (
self.canvas._tkcanvas.create_rectangle(
x0, y0, x1, y1))
self.canvas._rubberband_rect_white = (
self.canvas._tkcanvas.create_rectangle(
x0, y0, x1, y1, outline='white', dash=(3, 3)))

def remove_rubberband(self):
if self.canvas._rubberband_rect:
self.canvas._tkcanvas.delete(self.canvas._rubberband_rect)
self.canvas._rubberband_rect = None
if self.canvas._rubberband_rect_white:
self.canvas._tkcanvas.delete(self.canvas._rubberband_rect_white)
self.canvas._rubberband_rect_white = None
if self.canvas._rubberband_rect_black:
self.canvas._tkcanvas.delete(self.canvas._rubberband_rect_black)
self.canvas._rubberband_rect_black = None

lastrect = _api.deprecated("3.6")(
property(lambda self: self.canvas._rubberband_rect))
property(lambda self: self.canvas._rubberband_rect_black))

def _set_image_for_button(self, button):
"""
Expand Down Expand Up @@ -907,7 +917,7 @@ def remove_rubberband(self):
self._make_classic_style_pseudo_toolbar())

lastrect = _api.deprecated("3.6")(
property(lambda self: self.figure.canvas._rubberband_rect))
property(lambda self: self.figure.canvas._rubberband_rect_black))


@_api.deprecated("3.5", alternative="ToolSetCursor")
Expand Down
12 changes: 7 additions & 5 deletions lib/matplotlib/backends/backend_wx.py
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Expand Up @@ -508,6 +508,8 @@ def __init__(self, parent, id, figure=None):
_log.debug("%s - __init__() - bitmap w:%d h:%d", type(self), w, h)
self._isDrawn = False
self._rubberband_rect = None
self._rubberband_pen_black = wx.Pen('BLACK', 1, wx.PENSTYLE_SHORT_DASH)
self._rubberband_pen_white = wx.Pen('WHITE', 1, wx.PENSTYLE_SOLID)

self.Bind(wx.EVT_SIZE, self._on_size)
self.Bind(wx.EVT_PAINT, self._on_paint)
Expand Down Expand Up @@ -625,11 +627,11 @@ def gui_repaint(self, drawDC=None):
drawDC.DrawBitmap(bmp, 0, 0)
if self._rubberband_rect is not None:
# Some versions of wx+python don't support numpy.float64 here.
x0, y0, x1, y1 = map(int, self._rubberband_rect)
drawDC.DrawLineList(
[(x0, y0, x1, y0), (x1, y0, x1, y1),
(x0, y0, x0, y1), (x0, y1, x1, y1)],
wx.Pen('BLACK', 1, wx.PENSTYLE_SHORT_DASH))
x0, y0, x1, y1 = map(round, self._rubberband_rect)
rect = [(x0, y0, x1, y0), (x1, y0, x1, y1),
(x0, y0, x0, y1), (x0, y1, x1, y1)]
drawDC.DrawLineList(rect, self._rubberband_pen_white)
drawDC.DrawLineList(rect, self._rubberband_pen_black)

filetypes = {
**FigureCanvasBase.filetypes,
Expand Down
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