定制理货计数器
我正在开发一个计数计数器应用程序。它应该有一个自定义选择器视图，例如显示当前计数的显示屏。就像在 Pixel Research Labs 的简单但不错的应用程序中找到的那样。
我已经开始阅读一本关于核心动画的书，因为我认为这是找到我想要的东西的地方。我说得对吗？有人知道可以帮助我开发这个自定义选择器的教程或其他资源吗？
哦，澄清一下：我不想使用 iPhone SDK 中的选择器视图。我无法根据我的需要对其进行足够的定制。
期待您的来信。提前致谢 ：）
I'm developing on a tally counter app. It should have a custom picker view like display showing the current count. Something like the one found in the simple, but nice, app from Pixel Research Labs.
I've started to read a book on Core Animations, since I think this is the place to find what I'm looking for. Am I right? Does anybody know a tutorial or some other resource that could help my develop this custom picker?
Oh, just to clear it up: I don't wanna make use of the picker view from the iPhone SDK. I can't customize it enough for my needs.
Looking forward to hear from you. Thanks in advance :)
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我相信他们使用的效果是“线性凹凸变形”。我建议您查看 Core Image Funhouse 并尝试一下，找到能产生您想要的效果的方法。然后您可以看到可以在 iPhone 上执行此操作的方法。
您还记得您可以通过使用自定义行视图来高度自定义 UIPickerView 的外观。我非常确定我可以创建一个类似于 Pixel Research Labs 的选择器视图。
Edit01：
您可以看看 Bill Dudely 的“Core Animation for Mac OS X”和 iPhone。我刚刚浏览了一下，不知道是否有你需要的答案。我也想确切地知道如何做到这一点。
I believe the effect they are using is the "liner bump distortion". I would recommend looking at the Core Image Funhouse and playing around to find what produces the effect you want. Then you can see what is available to do that on the iPhone.
You also remember that you can highly customize the look of the UIPickerView by using custom row views. I pretty certain I could create a picker view that looks like the one from Pixel Research Labs.
Edit01:
You might look at "Core Animation for Mac OS X" and the iPhone by Bill Dudely. I've just leafed through it so I don't know if it has the answer you need or not. I would like to know exactly how to do this as well.