CATransition

该类存放在CAAnimation.h文件中

Super Class

@interface CATransition : CAAnimation

Attribute

• 转场类型，默认类型为'fade'
• 类型类型有：

转场类型字符串	效果说明	关键字	方向
fade	交叉淡化过滤	YES
psh	新视图把旧视图推出去	YES
moveIn	新视图移到旧视图上面	YES
reveal	将旧视图移开，显示下面的新视图	YES
cube	立方体翻滚效果
oglFilp	上下左右翻转效果
suckEffect	收缩效果		NO
rippleEffect	水滤效果		NO
pageCurl	向上翻页效果
pageUnCurl	向下翻页效果
cameraIrisHollowOpen	相机镜头打开效果		NO
cameraIrisHollowClose	相机镜头关闭效果		NO

/* The name of the transition. Current legal transition types include
 * `fade', `moveIn', `push' and `reveal'. Defaults to `fade'. */
@property(copy) NSString *type;

/* An optional subtype for the transition. E.g. used to specify the
 * transition direction for motion-based transitions, in which case
 * the legal values are `fromLeft', `fromRight', `fromTop' and
 * `fromBottom'. */

@property(nullable, copy) NSString *subtype;

• 转场动画开始位置，默认为0
• 转场动画结束位置，默认为1
• 值的范围为[0,1],0点即控件左下角

/* The amount of progress through to the transition at which to begin
 * and end execution. Legal values are numbers in the range [0,1].
 * `endProgress' must be greater than or equal to `startProgress'.
 * Default values are 0 and 1 respectively. */
@property float startProgress;
@property float endProgress;

/* An optional filter object implementing the transition. When set the
 * `type' and `subtype' properties are ignored. The filter must
 * implement `inputImage', `inputTargetImage' and `inputTime' input
 * keys, and the `outputImage' output key. Optionally it may support
 * the `inputExtent' key, which will be set to a rectangle describing
 * the region in which the transition should run. Defaults to nil. */

@property(nullable, strong) id filter;

@end