Mac OS X 上的浮动图片屏幕保护程序
我刚刚学习使用 XCode 和 Objective-C 编程（我的计划是编写一个我们业务所需的应用程序，因为我找不到一个可以满足我需要的应用程序）。进展顺利，作为一项练习，我一直在使用数据库应用程序和屏幕保护程序。
我正在尝试编写一个屏幕保护程序，它所做的只是显示 3 或 4 张随机浮动在屏幕上的图片。类似于 Mac OS X 附带的开箱即用的图片屏幕保护程序。
我玩过 http://cocoadevcentral.com/articles/000088.php 中的代码虽然信息非常丰富，但我仍然不知道如何添加这 3 或 4 张图片并使它们动起来。
有人可以指点我示例代码吗？或者有一个项目可以作为参考吗？
再次强调，这只是自学。
谢谢你！
I'm just learning to use XCode and program in Objective-C (my plan is to write a an app we need for my business since I can't find one that does what I need). It's going well and as an exercise I've been playing with database apps and screensavers.
I'm trying to write a screensaver that all it does is to show 3 or 4 pictures randomly floating on the screen. Similar to the out of the box pictures screensaver that comes with Mac OS X.
I've played with the code in http://cocoadevcentral.com/articles/000088.php and while very informative I still don't know how to add those 3 or 4 pictures and make them move.
Anyone out there can point me to sample code? Or a project that I can use as reference?
Again, this is just self learning.
Thank you!
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这可能是您的第一个停靠港。
This will probably be your first port of call.
我的方法是使用 Quartz Composer 创建 Quartz Composition。我发现这比弄清楚如何手动绘制所有内容并为其设置动画更容易。
您可以使用 QCView 类在 ScreensaverView 内显示石英合成物。这个设置对我来说效果很好。
My approach to this was to create a Quartz Composition using Quartz composer. I found this easier than figuring out how to draw and animate everything by hand.
You can display a quartz composition inside a ScreensaverView by using the QCView class. This setup worked well for me.