| | import wx |
| |
|
| | from .. import _api |
| | from .backend_agg import FigureCanvasAgg |
| | from .backend_wx import _BackendWx, _FigureCanvasWxBase, FigureFrameWx |
| | from .backend_wx import ( |
| | NavigationToolbar2Wx as NavigationToolbar2WxAgg) |
| |
|
| |
|
| | @_api.deprecated( |
| | "3.6", alternative="FigureFrameWx(..., canvas_class=FigureCanvasWxAgg)") |
| | class FigureFrameWxAgg(FigureFrameWx): |
| | def get_canvas(self, fig): |
| | return FigureCanvasWxAgg(self, -1, fig) |
| |
|
| |
|
| | class FigureCanvasWxAgg(FigureCanvasAgg, _FigureCanvasWxBase): |
| | """ |
| | The FigureCanvas contains the figure and does event handling. |
| | |
| | In the wxPython backend, it is derived from wxPanel, and (usually) |
| | lives inside a frame instantiated by a FigureManagerWx. The parent |
| | window probably implements a wxSizer to control the displayed |
| | control size - but we give a hint as to our preferred minimum |
| | size. |
| | """ |
| |
|
| | def draw(self, drawDC=None): |
| | """ |
| | Render the figure using agg. |
| | """ |
| | FigureCanvasAgg.draw(self) |
| | self.bitmap = _rgba_to_wx_bitmap(self.get_renderer().buffer_rgba()) |
| | self._isDrawn = True |
| | self.gui_repaint(drawDC=drawDC) |
| |
|
| | def blit(self, bbox=None): |
| | |
| | bitmap = _rgba_to_wx_bitmap(self.get_renderer().buffer_rgba()) |
| | if bbox is None: |
| | self.bitmap = bitmap |
| | else: |
| | srcDC = wx.MemoryDC(bitmap) |
| | destDC = wx.MemoryDC(self.bitmap) |
| | x = int(bbox.x0) |
| | y = int(self.bitmap.GetHeight() - bbox.y1) |
| | destDC.Blit(x, y, int(bbox.width), int(bbox.height), srcDC, x, y) |
| | destDC.SelectObject(wx.NullBitmap) |
| | srcDC.SelectObject(wx.NullBitmap) |
| | self.gui_repaint() |
| |
|
| |
|
| | def _rgba_to_wx_bitmap(rgba): |
| | """Convert an RGBA buffer to a wx.Bitmap.""" |
| | h, w, _ = rgba.shape |
| | return wx.Bitmap.FromBufferRGBA(w, h, rgba) |
| |
|
| |
|
| | @_BackendWx.export |
| | class _BackendWxAgg(_BackendWx): |
| | FigureCanvas = FigureCanvasWxAgg |
| |
|
