cocos2d CCLabel Type

http://www.cnblogs.com/xuling/archive/2012/02/29/2372721.html


CCLabelTTF : CCSprite : CCNode
CCLabelAtlas : CCAtlasNode : CCNode
CCLabelBMFont : CCSpriteBatchNode : CCNode


CCLabel objects are slow.
Consider using CCLabelAtlas or CCLabelBMFont instead.

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CCLabelAtlas is a subclass of CCAtlasNode.

It can be as a replacement of CCLabel since it is MUCH faster.

CCLabelAtlas versus CCLabel:
- CCLabelAtlas is MUCH faster than CCLabel
- CCLabelAtlas "characters" have a fixed height and width
- CCLabelAtlas "characters" can be anything you want since they are taken from an image file

A more flexible class is CCLabelBMFont. It supports variable width characters and it also has a nice editor.

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CCLabelBMFont is a subclass of CCSpriteBatchNode
 
Features:
- Treats each character like a CCSprite. This means that each individual character can be:
   - rotated
   - scaled
   - translated
   - tinted
   - chage the opacity
- It can be used as part of a menu item.
- anchorPoint can be used to align the "label"
- Supports AngelCode text format