best cropping for ranger/ext/img_display.py

img_display.py

    def clear(self, start_x, start_y, width, height):
        if not self.is_initialized or self.process.poll() is not None:
            self.initialize()

        fontw, fonth = _get_font_dimensions()

        cmd = "6;{x};{y};{w};{h}\n4;\n3;\n".format(
                x = int((start_x - 0.2) * fontw),
                y = int((start_y + 0.6) * fonth),
                w = int((width + 0.4)* fontw),
                h = int((height - 1) * fonth))

        self.process.stdin.write(cmd)
        self.process.stdin.flush()
        self.process.stdout.readline()