| import sys |
|
|
| import numpy as np |
|
|
| from . import _backend_tk |
| from .backend_cairo import cairo, FigureCanvasCairo |
| from ._backend_tk import _BackendTk, FigureCanvasTk |
|
|
|
|
| class FigureCanvasTkCairo(FigureCanvasCairo, FigureCanvasTk): |
| def draw(self): |
| width = int(self.figure.bbox.width) |
| height = int(self.figure.bbox.height) |
| surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, width, height) |
| self._renderer.set_context(cairo.Context(surface)) |
| self._renderer.dpi = self.figure.dpi |
| self.figure.draw(self._renderer) |
| buf = np.reshape(surface.get_data(), (height, width, 4)) |
| _backend_tk.blit( |
| self._tkphoto, buf, |
| (2, 1, 0, 3) if sys.byteorder == "little" else (1, 2, 3, 0)) |
|
|
|
|
| @_BackendTk.export |
| class _BackendTkCairo(_BackendTk): |
| FigureCanvas = FigureCanvasTkCairo |
|
|
