基于HTML5的Canvas在线绘图系统

  Canvas绘图工具，使用Javascript编写

 实现了基本的绘图功能

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2016-04-02 04:30  Canvas\
     文件       53051  2016-02-12 14:34  Canvas\drawtools.js
     目录           0  2016-03-13 01:50  Canvas\Images\
     文件        2080  2015-09-12 21:54  Canvas\Images\circle.bmp
     文件        2080  2015-09-12 21:51  Canvas\Images\circle1.bmp
     文件        2080  2015-09-12 22:24  Canvas\Images\ellipse.bmp
     文件         326  2014-04-16 11:28  Canvas\Images\Ellipse.cur
     文件        2080  2015-09-12 22:36  Canvas\Images\ellipse1.bmp
     文件         382  2014-04-16 11:28  Canvas\Images\line.bmp
     文件         326  2014-04-16 11:28  Canvas\Images\Line.cur
     文件        2080  2015-09-12 21:32  Canvas\Images\line1.bmp
     文件         382  2014-04-16 11:28  Canvas\Images\new.bmp
     文件        2080  2015-09-12 21:37  Canvas\Images\new1.bmp
     文件         382  2014-04-16 11:28  Canvas\Images\open.bmp
     文件        2080  2015-09-12 21:38  Canvas\Images\open1.bmp
     文件         382  2014-04-16 11:28  Canvas\Images\pencil.bmp
     文件         382  2014-04-16 11:28  Canvas\Images\pointer.bmp
     文件        2080  2015-09-12 21:30  Canvas\Images\pointer1.bmp
     文件         384  2016-03-02 08:45  Canvas\Images\poumian.bmp
     文件        1640  2016-03-02 08:47  Canvas\Images\poumian1.bmp
     文件         382  2014-04-16 11:28  Canvas\Images\rectangle.bmp
     文件         326  2014-04-16 11:28  Canvas\Images\Rectangle.cur
     文件        2080  2015-09-12 21:33  Canvas\Images\rectangle1.bmp
     文件        2080  2015-09-12 22:07  Canvas\Images\redo.bmp
     文件        2080  2015-09-12 22:08  Canvas\Images\redo1.bmp
     文件         382  2014-04-16 11:28  Canvas\Images\save.bmp
     文件        2080  2015-09-12 21:39  Canvas\Images\save1.bmp
     文件        2080  2015-09-12 21:57  Canvas\Images\undo.bmp
     文件        2080  2015-09-12 22:00  Canvas\Images\undo1.bmp
     文件        3634  2016-01-18 15:16  Canvas\test.html