基于Qt的图片转灰度图工具

[{"title":"（ 61 个子文件 20.59MB ） 基于Qt的图片转灰度图工具","children":[{"title":"图片转灰度图工具","children":[{"title":"源代码","children":[{"title":"main.cpp <span style='color:#111;'> 281B </span>","children":null,"spread":false},{"title":"logo.ico <span style='color:#111;'> 66.06KB </span>","children":null,"spread":false},{"title":"widget.h <span style='color:#111;'> 698B </span>","children":null,"spread":false},{"title":"widget.cpp <span style='color:#111;'> 2.39KB </span>","children":null,"spread":false},{"title":"Picture_to_Gray.pro <span style='color:#111;'> 566B </span>","children":null,"spread":false},{"title":"readme.txt <span style='color:#111;'> 177B </span>","children":null,"spread":false},{"title":"widget.ui <span style='color:#111;'> 2.30KB </span>","children":null,"spread":false}],"spread":true},{"title":"测试图片","children":[{"title":"5.png <span style='color:#111;'> 20.40KB </span>","children":null,"spread":false},{"title":"3.jpg <span style='color:#111;'> 30.73KB 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