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- /*
- * ********************************************************************************************************************
- *
- * iFHS7.
- * ;BBMBMBMc rZMBMBR BMB
- * MBEr:;PBM, 7MBMMEOBB: BBB RBW
- * XK: BO SB. :SZ MBM. c;; ir BBM :FFr :SSF: ;xBMB:r iuGXv. i:. iF2;
- * DBBM0r. :D S7 ;XMBMB GMBMu. MBM: BMB MBMBBBMBMS WMBMBMBBK MBMBMBM BMBRBMBW .MBMBMBMBB
- * :JMRMMD .. , 1MMRM1; ;MBMBBR: MBM ;MB: BMB: MBM. RMBr sBMH BM0 UMB, BMB. KMBv
- * ;. XOW B1; :uM: 1RE, i .2BMBs rMB. MBO MBO JMB; MBB MBM BBS 7MBMBOBM: MBW :BMc
- * OBRJ.SEE MRDOWOR, 3DE:7OBM . ;BMB RMR7BM BMB MBB. BMB ,BMR .BBZ MMB rMB, BMM rMB7
- * :FBRO0D0 RKXSXPR. JOKOOMPi BMBSSWBMB; BMBB: MBMB0ZMBMS .BMBOXRBMB MBMDE RBM2;SMBM; MBB xBM2
- * iZGE O0SHSPO. uGZ7. sBMBMBDL :BMO OZu:BMBK, rRBMB0; ,EBMB xBMBr:ER. RDU :OO;
- * ,BZ, 1D0 RPSFHXR. xWZ .SMr . .BBB
- * :0BMRDG RESSSKR. 2WOMBW; BMBMR
- * i0BM: SWKHKGO MBDv
- * .UB OOGDM. MK, Copyright (c) 2015-2018. 斯伯坦机器人世界
- * , XMW ..
- * r All rights reserved.
- *
- * ********************************************************************************************************************
- */
- /**
- * Canvas功能扩展
- *
- * @author Andy
- */
- Object.assign(CanvasRenderingContext2D.prototype, {
- /**
- * 绘制线段
- *
- * @param x0 起点x坐标
- * @param y0 起点y坐标
- * @param x1 终点x坐标
- * @param y1 终点y坐标
- */
- drawLine (x0, y0, x1, y1) {
- this.beginPath()
- this.moveTo(x0, y0)
- this.lineTo(x1, y1)
- this.stroke()
- } // Function drawLine()
- }) // Class CanvasRenderingContext2D
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