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+/*
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+ * *********************************************************************************************************************
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+ *
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+ * !!
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+ * .F88X
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+ * X8888Y
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+ * .}888888N;
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+ * i888888N; .:! .I$WI:
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+ * R888888I .'N88~ i8}+8Y&8"l8i$8>8W~'>W8}8]KW+8IIN"8&
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+ * .R888888I .;N8888~ .X8' "8I.!,/8" !%NY8`"8I8~~8>,88I
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+ * +888888N; .8888888Y "&&8Y.}8,
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+ * ./888888N; .R888888Y .'}~ .>}'.`+> i}! "i' +/' .'i~ !11,.:">, .~]! .i}i
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+ * ~888888%: .I888888l .]88~`1/iY88Ii+1'.R$8$8]"888888888> Y8$ W8E X8E W8888'188Il}Y88$*
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+ * 18888888 E8888881 .]W%8$`R8X'&8%++N8i,8N%N8+l8%` .}8N:.R$RE%N88N%N$K$R 188,FE$8%~Y88I
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+ * .E888888I .i8888888' .:$8I;88+`E8R:/8N,.>881.`$8E/1/]N8X.Y8N`"KF&&FK!'88*."88K./$88%RN888+~
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+ * 8888888I .,N888888~ ~88i"8W,!N8*.I88.}888%F,i$88"F88" 888:E8X.>88!i88>`888*.}Fl1]*}1YKi'
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+ * i888888N' I888Y ]88;/EX*IFKFK88X K8R .l8W 88Y ~88}'88E&%8W.X8N``]88!.$8K .:W8I
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+ * .i888888N; I8Y .&8$ .X88! i881.:%888>I88 ;88] +88+.';;;;:.Y88X 18N.,88l .+88/
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+ * .:R888888I
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+ * .&888888I Copyright (c) 2009-2020. 博锐尚格科技股份有限公司
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+ * ~8888'
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+ * .!88~ All rights reserved.
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+ *
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+ * *********************************************************************************************************************
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+ */
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+
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+import { SPainter, SArrowStyleType } from "@persagy-web/draw";
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+import { SPolylineItem } from "..";
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+import { SLineStyle } from "@persagy-web/graph";
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+
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+/**
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+ * 折线 箭头item
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+ *
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+ * @author 郝建龙
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+ * */
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+export class SArrowItem extends SPolylineItem {
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+ /** 起始点样式 */
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+ _begin = SArrowStyleType.None;
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+ get begin(): SArrowStyleType {
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+ return this._begin;
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+ }
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+ set begin(v: SArrowStyleType) {
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+ this._begin = v;
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+ this.update();
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+ }
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+ /** 结束点样式 */
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+ _end = SArrowStyleType.None;
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+ get end(): SArrowStyleType {
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+ return this._end;
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+ }
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+ set end(v: SArrowStyleType) {
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+ this._end = v;
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+ this.update();
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+ }
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+
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+ /**
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+ * 绘制基本图形
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+ *
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+ * @param painter painter对象
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+ * */
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+ drawBaseLine(painter: SPainter): void {
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+ // 绘制基本图形
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+ if (this.lineStyle == SLineStyle.Dashed) {
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+ painter.pen.lineDash = [
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+ painter.toPx(this.lineWidth * 3),
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+ painter.toPx(this.lineWidth * 7)
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+ ];
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+ } else if (this.lineStyle == SLineStyle.Dotted) {
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+ painter.pen.lineDash = [
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+ painter.toPx(this.lineWidth),
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+ painter.toPx(this.lineWidth)
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+ ];
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+ }
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+ painter.pen.color = this.strokeColor;
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+ painter.drawArrowLine(this.pointList[0], this.pointList[1], {
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+ begin: this.begin,
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+ end: SArrowStyleType.None
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+ });
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+ painter.drawArrowLine(
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+ this.pointList[this.pointList.length - 2],
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+ this.pointList[this.pointList.length - 1],
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+ {
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+ begin: SArrowStyleType.None,
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+ end: this.end
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+ }
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+ );
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+ painter.drawPolyline(this.pointList);
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+ } // Function drawBaseLine()
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+}
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