TouchVG framework
GiPaintViewXIB
command
content
extent
fillAlpha
fillColor
helper
lineAlpha
lineColor
lineStyle
lineWidth
modelScale
options
path
strokeWidth
viewCenter
viewScale
zoomEnabled
zoomExtent
◆
extent
- (CGRect) extent
read
nonatomic
assign
获取全部图形范围，模型坐标
通用矢量图形框架
， 版权所有 (C)
张云贵
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