drawSVG.py 文件源码

def generate_path(self, pointList, up_Z=-1, down_Z=-1):
        """ Generate path for a line of the image. """
        count = 0
        toEnd = NOT_ADJUST_THICKNESS
        start_point = self.robotCoorToPygameCoor( pointList[0] )
        for (x, y) in pointList:
            upZ = self.up_z if up_Z == -1 else up_Z
            downZ = self.down_z if down_Z == -1 else down_Z
            if_draw = True

            end_point = self.robotCoorToPygameCoor( (x, y) )
            pygame.draw.line(self.screen, BLACK, start_point, end_point, PYGAME_LINE_WIDTH)
            pygame.display.update()
            if not toEnd:
                pressed_key = self.pygame_wait()
                if (pressed_key == pygame.K_a):
                    downZ -= Z_THICK_ADJUST
                    pygame.draw.line(self.screen, BLACK, start_point, end_point, PYGAME_THICK_LINE_WIDTH)
                    pygame.display.update()
                elif (pressed_key == pygame.K_d):
                    downZ += Z_THIN_ADJUST
                    pygame.draw.line(self.screen, WHITE, start_point, end_point, PYGAME_LINE_WIDTH)
                    pygame.draw.line(self.screen, BLACK, start_point, end_point, PYGAME_THIN_LINE_WIDTH)
                elif (pressed_key == pygame.K_e):
                    toEnd = True
                elif (pressed_key == pygame.K_p):
                    pygame.draw.line(self.screen, WHITE, start_point, end_point, PYGAME_LINE_WIDTH)
                    if_draw = False
            start_point = end_point

            if if_draw:
                """ Move to the stating point. """
                if count == 0:
                    self.create_robot_point(x, y, upZ)
                self.create_robot_point(x, y, downZ)
                """ Move to the last point. """
                if count == len(pointList) -1:
                    self.create_robot_point(x, y, upZ)
            count += 1