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delphi Jpg和Bitmap相互转换
delphi Jpg和Bitmap互转转换的方法： uses Jpeg; procedure Bmp2Jpeg(const BmpFileName, JpgFileName: string); var Bmp: TBitmap; Jpg: TJPEGImage; begin Bmp := TBitmap.Create; Jpg := TJPEGImage.Create; try Bmp.LoadFromFile(BmpFileName); Jpg.Assign