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我无法在delphi xe2中使用jpeg

[英]I can't work with jpeg in delphi xe2

我想在我的delphi vcl应用程序中使用Jpeg图像但是delphi给我这个错误信息,怎么能解决这个问题呢?

[DCC Error] Vcl.Imaging.jpeg.pas(747): E1026 File not found: 'jdapimin.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(748): E1026 File not found: 'jmemmgr.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(749): E1026 File not found: 'jmemnobs.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(750): E1026 File not found: 'jdinput.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(751): E1026 File not found: 'jdatasrc.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(752): E1026 File not found: 'jdapistd.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(753): E1026 File not found: 'jdmaster.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(754): E1026 File not found: 'jdphuff.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(755): E1026 File not found: 'jdhuff.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(756): E1026 File not found: 'jdmerge.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(757): E1026 File not found: 'jdcolor.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(758): E1026 File not found: 'jquant1.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(759): E1026 File not found: 'jquant2.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(760): E1026 File not found: 'jdmainct.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(761): E1026 File not found: 'jdcoefct.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(762): E1026 File not found: 'jdpostct.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(763): E1026 File not found: 'jddctmgr.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(764): E1026 File not found: 'jdsample.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(765): E1026 File not found: 'jidctflt.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(766): E1026 File not found: 'jidctfst.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(767): E1026 File not found: 'jidctint.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(768): E1026 File not found: 'jidctred.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(769): E1026 File not found: 'jdmarker.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(770): E1026 File not found: 'jutils.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(771): E1026 File not found: 'jcomapi.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(772): E1026 File not found: 'jdatadst.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(773): E1026 File not found: 'jcparam.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(774): E1026 File not found: 'jcapistd.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(775): E1026 File not found: 'jcapimin.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(776): E1026 File not found: 'jcinit.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(777): E1026 File not found: 'jcmarker.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(778): E1026 File not found: 'jcmaster.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(779): E1026 File not found: 'jcmainct.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(780): E1026 File not found: 'jcprepct.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(781): E1026 File not found: 'jccoefct.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(782): E1026 File not found: 'jccolor.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(783): E1026 File not found: 'jcsample.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(784): E1026 File not found: 'jcdctmgr.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(785): E1026 File not found: 'jcphuff.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(786): E1026 File not found: 'jfdctint.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(787): E1026 File not found: 'jfdctfst.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(788): E1026 File not found: 'jfdctflt.obj'
[DCC Error] Vcl.Imaging.jpeg.pas(789): E1026 File not found: 'jchuff.obj'

Delphi XE2没有附带名为Vcl.Imaging.jpeg.pas的单元。 它附带一个名为Vcl.Imaging.jpeg.dcu的预编译DCU文件。 您需要链接预编译的DCU,而不是尝试编译VCL单元。 只有在尝试从源编译单元时才会出现错误消息。 如果将预编译的DCU传递给链接器,则无法获得此消息。

我怀疑你的.dpr文件包含对名为Vcl.Imaging.jpeg.pas的文件的Vcl.Imaging.jpeg.pas 通过从.dpr文件中删除对Vcl.Imaging.jpeg.pas的引用来解决此问题。 另一种解释是您的搜索路径中有一个名为Vcl.Imaging.jpeg.pas的源文件。

DevExpress论坛的最佳解决方案:

要解决此问题,请使用Project-> Options-> Delphi编译器 - > Unit scope names菜单选项将Vcl.Imaging名称空间添加到应用程序。

找到这些obj文件所在的目录。 确保该目录显示在项目的搜索路径中 (它们不是您自己要编译的文件。)

如果您的Delphi安装中没有这些obj文件,请检查安装DVD。

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