mfc下对bmp图片顺时针90度旋转，灰度，分块的操作

[{"title":"（5个子文件4.87MB）mfc下对bmp图片顺时针90度旋转，灰度，分块的操作","children":[{"title":"完整程序因为大于60M，所以放到了网盘上.txt <span style='color:#111;'>155B</span>","children":null,"spread":false},{"title":"bmpView.h <span style='color:#111;'>2.45KB</span>","children":null,"spread":false},{"title":"bmpView.cpp <span style='color:#111;'>14.69KB</span>","children":null,"spread":false},{"title":"ReadMe.txt <span style='color:#111;'>292B</span>","children":null,"spread":false},{"title":"readme.docx <span style='color:#111;'>4.88MB</span>","children":null,"spread":false}],"spread":true}]