法线贴图（Normal mapping）演示程序

一个基于Normal mapping的演示程序，里面有三个小例子，可以直观观察出Normal mapping的效果

 属性            大小     日期    时间   名称
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     目录           0  2018-04-24 19:13  demo\
     目录           0  2018-04-24 19:13  demo\accessible\
     文件       65536  2013-12-09 02:38  demo\accessible\qtaccessiblequick.dll
     文件     2197614  2013-12-09 02:38  demo\accessible\qtaccessiblequickd.dll
     文件      202240  2013-12-09 02:15  demo\accessible\qtaccessiblewidgets.dll
     文件     3825221  2013-12-09 02:15  demo\accessible\qtaccessiblewidgetsd.dll
     目录           0  2018-04-24 19:13  demo\iconengines\
     文件       60928  2013-12-09 02:16  demo\iconengines\qsvgicon.dll
     文件      828466  2013-12-09 02:16  demo\iconengines\qsvgicond.dll
     文件    22378434  2013-04-23 00:03  demo\icudt51.dll
     文件     3369922  2013-04-23 00:03  demo\icuin51.dll
     文件     1978690  2013-04-23 00:03  demo\icuuc51.dll
     目录           0  2018-04-24 19:13  demo\imageformats\
     文件       51200  2013-12-09 02:13  demo\imageformats\qgif.dll
     文件      658356  2013-12-09 02:13  demo\imageformats\qgifd.dll
     文件       52224  2013-12-09 02:13  demo\imageformats\qico.dll
     文件      667705  2013-12-09 02:13  demo\imageformats\qicod.dll
     文件      261120  2013-12-09 02:13  demo\imageformats\qjpeg.dll
     文件     1580168  2013-12-09 02:13  demo\imageformats\qjpegd.dll
     文件      381952  2013-12-09 02:23  demo\imageformats\qmng.dll
     文件     1383577  2013-12-09 02:23  demo\imageformats\qmngd.dll
     文件       46080  2013-12-09 02:16  demo\imageformats\qsvg.dll
     文件      682254  2013-12-09 02:16  demo\imageformats\qsvgd.dll
     文件       46592  2013-12-09 02:23  demo\imageformats\qtga.dll
     文件      689426  2013-12-09 02:23  demo\imageformats\qtgad.dll
     文件      442368  2013-12-09 02:23  demo\imageformats\qtiff.dll
     文件     1500823  2013-12-09 02:23  demo\imageformats\qtiffd.dll
     文件       45056  2013-12-09 02:23  demo\imageformats\qwbmp.dll
     文件      519992  2013-12-09 02:23  demo\imageformats\qwbmpd.dll
     文件      544817  2013-04-18 02:18  demo\libgcc_s_dw2-1.dll
     文件      989805  2013-04-18 02:19  demo\libstdc++-6.dll
............此处省略16个文件信息