punchcard.py 文件源码

def render(self):
        col_labels = ColLabels(self)
        row_labels = RowLabels(self)
        chart = Chart(self)
        title = Title(self)
        grid = sizers.GridSizer(3, 2, self.padding, self.padding)
        grid.add_spacer()
        grid.add(col_labels)
        grid.add(row_labels)
        grid.add(chart)
        grid.add_spacer()
        grid.add(title)
        sizer = sizers.VerticalSizer()
        sizer.add(grid, border=self.padding)
        sizer.fit()
        surface = cairo.ImageSurface(
            cairo.FORMAT_RGB24, int(sizer.width), int(sizer.height))
        dc = cairo.Context(surface)
        dc.set_source_rgb(1, 1, 1)
        dc.paint()
        col_labels.render(dc)
        row_labels.render(dc)
        chart.render(dc)
        title.render(dc)
        return surface