DrawArc
矢量图形
描述
在所选页面上绘制圆弧，该圆弧从 StartAngle 到 EndAngle 按顺时针方向绘制
语法
Delphi
Function TPDFlib.DrawArc(XPos, YPos, Radius, StartAngle, EndAngle: Double; Pie, DrawOptions: Integer): Integer;ActiveX
Function PDFlib::DrawArc(XPos As Double, YPos As Double, Radius As Double, StartAngle As Double, EndAngle As Double, Pie As Long, DrawOptions As Long) As LongDLL
int DLDrawArc(int InstanceID, double XPos, double YPos, double Radius, double StartAngle, double EndAngle, int Pie, int DrawOptions);参数
| XPos | 圆弧中心的水平坐标 |
|---|---|
| YPos | 圆弧中心的垂直坐标 |
| Radius | 弧半径 绘制起始角度 |
| StartAngle | |
| EndAngle | 结束绘制的角度 |
| Pie | 绘制圆弧的臂：0 = 否；1 = 是 |
| DrawOptions | 0 = 轮廓；1 = 填充；2 = 填充和轮廓；3 = 闭合、填充和轮廓（若 Pie = 1） |