C///

\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// from matplotlib._image import frombuffer from matplotlib.backends.backend_agg import RendererAgg from matplotlib.tight_bbox import process_figure_for_rasterizing class MixedModeRenderer(object): """ A helper class to implement a renderer that switches between vector and raster drawing. An example may be a PDF writer, where most things are drawn with PDF vector commands, but some very complex objects, such as quad meshes, are rasterised and then output as images. """ def __init__(self, figure, width, height, dpi, vector_renderer, raster_renderer_class=None, bbox_inches_restore=None): """ figure: The figure instance. width: The width of the canvas in logical units height: The height of the canvas in logical units dpi: The dpi of the canvas vector_renderer: An instance of a subclass of RendererBase that will be used for the vector drawing. raster_renderer_class: The renderer class to use for the raster drawing. If not provided, this will use the Agg backend (which is currently the only viable option anyway.) """ if raster_renderer_class is None: raster_renderer_class = RendererAgg self._raster_renderer_class = raster_renderer_class self._width = width self._height = height self.dpi = dpi assert not vector_renderer.option_image_nocomposite() self._vector_renderer = vector_renderer self._raster_renderer = None self._rasterizing = 0 # A renference to the figure is needed as we need to change # the figure dpi before and after the rasterization. Although # this looks ugly, I couldn't find a better solution. -JJL self.figure=figure self._bbox_inches_restore = bbox_inches_restore self._set_current_renderer(vector_renderer) _methods = """ close_group draw_image draw_markers draw_path draw_path_collection draw_quad_mesh draw_tex draw_text finalize flipy get_canvas_width_height get_image_magnification get_texmanager get_text_width_height_descent new_gc open_group option_image_nocomposite points_to_pixels strip_math start_filter stop_filter draw_gouraud_triangle draw_gouraud_triangles option_scale_image """.split() def _set_current_renderer(self, renderer): self._renderer = renderer for method in self._methods: if hasattr(renderer, method): setattr(self, method, getattr(renderer, method)) renderer.start_rasterizing = self.start_rasterizing renderer.stop_rasterizing = self.stop_rasterizing def start_rasterizing(self): """ Enter "raster" mode. All subsequent drawing commands (until stop_rasterizing is called) will be drawn with the raster backend. If start_rasterizing is called multiple times before stop_rasterizing is called, this method has no effect. """ # change the dpi of the figure temporarily. self.figure.set_dpi(self.dpi) if self._bbox_inches_restore: # when tight bbox is used r = process_figure_for_rasterizing(self.figure, self._bbox_inches_restore, mode="png") self._bbox_inches_restore = r if self._rasterizing == 0