Qt开发画图软件 QgraphicsScene

初次qt，主要基于Qgraphics Scene QgraphicsView QgraphicsItem 三个类构建的 写的不好多多包含，包括线面的描绘以及 编辑，放大，缩小，点选，面选

#include “mainwindow.h“
#include 

int main（int argc char *argv[]）
{
    QApplication a（argc argv）;
    MainWindow w;
    w.show（）;

    return a.exec（）;
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2015-09-13 21:41  GraphcisEdit\
     文件         503  2015-09-09 22:39  GraphcisEdit\GraphcisEdit.pro
     文件       18510  2015-09-13 21:41  GraphcisEdit\GraphcisEdit.pro.user
     目录           0  2015-09-09 10:17  GraphcisEdit\images\
     文件         448  2009-09-22 13:43  GraphcisEdit\images\add.png
     文件        1370  2009-10-16 18:37  GraphcisEdit\images\address-book-new.png
     文件         928  2009-10-16 18:37  GraphcisEdit\images\application-exit.png
     文件        1404  2009-10-16 18:37  GraphcisEdit\images\appointment-new.png
     文件        1404  2009-10-16 18:37  GraphcisEdit\images\appointment.png
     文件         828  2009-10-16 18:37  GraphcisEdit\images\back.png
     文件        1086  2009-10-16 18:37  GraphcisEdit\images\bookmark-new.png
     文件        1086  2009-10-16 18:37  GraphcisEdit\images\bookmarks_list_add.png
     文件        1086  2009-10-16 18:37  GraphcisEdit\images\bookmark_add.png
     文件         766  2009-10-16 18:37  GraphcisEdit\images\bottom.png
     文件         976  2009-09-22 13:43  GraphcisEdit\images\call-start.png
     文件         764  2009-09-22 13:43  GraphcisEdit\images\call-stop.png
     文件         548  2009-10-16 18:37  GraphcisEdit\images\centrejust.png
     文件         997  2009-10-16 18:37  GraphcisEdit\images\contact-new.png
     文件        1038  2009-10-16 18:37  GraphcisEdit\images\document-new.png
     文件        1481  2009-09-22 13:43  GraphcisEdit\images\document-open-recent.png
     文件         854  2009-10-16 18:37  GraphcisEdit\images\document-open.png
     文件        1209  2009-10-16 18:37  GraphcisEdit\images\document-page-setup.png
     文件        1188  2009-10-16 18:37  GraphcisEdit\images\document-print-preview.png
     文件         937  2009-10-16 18:37  GraphcisEdit\images\document-print.png
     文件        1145  2009-10-16 18:37  GraphcisEdit\images\document-properties.png
     文件        1226  2009-10-16 18:37  GraphcisEdit\images\document-revert.png
     文件        1182  2009-10-16 18:37  GraphcisEdit\images\document-save-as.png
     文件        1172  2009-10-16 18:37  GraphcisEdit\images\document-save.png
     文件         758  2009-09-22 13:43  GraphcisEdit\images\document-send.png
     文件         775  2009-10-16 18:37  GraphcisEdit\images\down.png
     文件        1028  2009-10-16 18:37  GraphcisEdit\images\edit-clear.png
............此处省略324个文件信息