theme_creator.py 文件源码

def populate(self):
        """populate
        Populates the file list with data from the global var 'files'.
        It reads in their image data and gives them an icon from that.
        """
        main_window = self.get_toplevel()

        for name in files:
            image = files[name]['image']
            pix_width = len(image[0])
            pix_height = len(image)
            if pix_width < 6:
                pix_width = 6
            if pix_height < 6:
                pix_height = 6
            pix_surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, pix_width,
                                             pix_height)
            pix_context = cairo.Context(pix_surface)
            pix_context.set_source_rgba(*main_window.paint_background.get_rgba())

            for yi, yv in enumerate(image):
                for xi, xv in enumerate(yv):
                    rgb, var = xv
                    if rgb is not None:
                        pix_context.set_source_rgba(*rgb)
                        pix_context.rectangle(xi, yi, 1, 1)
                        pix_context.fill()
            pixbuf = Gdk.pixbuf_get_from_surface(pix_surface, 0, 0, pix_width,
                                                 pix_height)

            icon = Gtk.IconTheme.get_default().load_icon('image-x-generic', 40, 0)
            self.list.append([pixbuf, name])
        return None