如果在绘制时进行反白，成为白底黑字，则会导致背景渗入前景，而且会使得某些用户难以阅读。
Drawing these reversed, as black text on a white background causes the background to bleed over the foreground and can make reading difficult for some users.
再次创建一个新的图层，绘制出前景的山脉，别忘了调整颜色的亮度。
Create a new layer once again and paint the mountains in the foreground without forgetting to regulate the luminosity of the color.
在综述了图像分割和绘制中各种方法和技术的基础上，对各类方法的应用场合和应用前景进行了分析和评价。
Based on the overview of the methodologies and technology about the segmentation and rendering, some application backgrounds and prospects of these methodologies are compared and evaluated.
应用推荐