41 lines
1.4 KiB
Python
41 lines
1.4 KiB
Python
import wx.lib.wxcairo as wxcairo
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from .. import _api
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from .backend_cairo import cairo, FigureCanvasCairo
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from .backend_wx import _BackendWx, _FigureCanvasWxBase, FigureFrameWx
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from .backend_wx import ( # noqa: F401 # pylint: disable=W0611
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NavigationToolbar2Wx as NavigationToolbar2WxCairo)
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@_api.deprecated(
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"3.6", alternative="FigureFrameWx(..., canvas_class=FigureCanvasWxCairo)")
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class FigureFrameWxCairo(FigureFrameWx):
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def get_canvas(self, fig):
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return FigureCanvasWxCairo(self, -1, fig)
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class FigureCanvasWxCairo(FigureCanvasCairo, _FigureCanvasWxBase):
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"""
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The FigureCanvas contains the figure and does event handling.
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In the wxPython backend, it is derived from wxPanel, and (usually) lives
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inside a frame instantiated by a FigureManagerWx. The parent window
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probably implements a wxSizer to control the displayed control size - but
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we give a hint as to our preferred minimum size.
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"""
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def draw(self, drawDC=None):
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size = self.figure.bbox.size.astype(int)
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surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, *size)
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self._renderer.set_context(cairo.Context(surface))
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self._renderer.dpi = self.figure.dpi
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self.figure.draw(self._renderer)
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self.bitmap = wxcairo.BitmapFromImageSurface(surface)
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self._isDrawn = True
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self.gui_repaint(drawDC=drawDC)
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@_BackendWx.export
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class _BackendWxCairo(_BackendWx):
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FigureCanvas = FigureCanvasWxCairo
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