45e2042ce0bd740f2647ffa1f5244eaa3235f474,enthought/chaco/contour_line_plot.py,ContourLinePlot,_render,#ContourLinePlot#Any#,71

Before Change

        if not self._colors_cache_valid:
            self._update_colors()

        gc.save_state()
        gc.set_antialias(True)
        gc.clip_to_rect(self.x, self.y, self.width, self.height)
        gc.set_alpha(self.alpha)
        gc.set_line_join(constants.JOIN_BEVEL)
        gc.set_line_cap(constants.CAP_ROUND)
        
        for i in range(len(self._levels)):
            gc.set_stroke_color(self._colors[i])
            gc.set_line_width(self._widths[i])
            gc.set_line_dash(self._styles[i])
            for trace in self._cached_contours[self._levels[i]]:
                if self.orientation == "h":
                    strace = self.index_mapper.map_screen(trace)
                else:
                    strace = array(self.index_mapper.map_screen(trace))[:,::-1]
                gc.begin_path()
                gc.lines(strace)
                gc.stroke_path()

        gc.restore_state()

    def _update_contours(self):
         Updates the cache of contour lines 
        // x and ydata are "fenceposts" so ignore the last value        

After Change

        if not self._colors_cache_valid:
            self._update_colors()

        with gc:
            gc.set_antialias(True)
            gc.clip_to_rect(self.x, self.y, self.width, self.height)
            gc.set_alpha(self.alpha)
            gc.set_line_join(constants.JOIN_BEVEL)
            gc.set_line_cap(constants.CAP_ROUND)
            
            for i in range(len(self._levels)):
                gc.set_stroke_color(self._colors[i])
                gc.set_line_width(self._widths[i])
                gc.set_line_dash(self._styles[i])
                for trace in self._cached_contours[self._levels[i]]:
                    if self.orientation == "h":
                        strace = self.index_mapper.map_screen(trace)
                    else:
                        strace = array(self.index_mapper.map_screen(trace))[:,::-1]
                    gc.begin_path()
                    gc.lines(strace)
                    gc.stroke_path()

    def _update_contours(self):
         Updates the cache of contour lines 
        // x and ydata are "fenceposts" so ignore the last value        
        // XXX: this truncaton is causing errors in Cntr() as of r13735

Instances