|
1
2
3
4
|
//左右14像素不变形，中间缩放
let
imgTrackRight =
UIImage
(named:
"slider_max"
)
imgRight = imgTrackRight!.stretchableImageWithLeftCapWidth(14,topCapHeight:0)
slider.setMaximumTrackImage(imgRight,forState:
UIControlState
.
Normal
)
|
2，图片上中下三宫格缩放形式
| //上下10像素不变形，中间缩放
imgBgSouce =
"bg"
imgBg = imgBgSouce!.stretchableImageWithLeftCapWidth(0,topCapHeight:10)
|
3，图片9宫格缩放