If you have problems processing PNG images because you are using DevExpress components, add this to the beginning of your program’s uses list:
dxGDIPlusClasses,
Vcl.Imaging.PNGImage,DevExpress registers PNG handler with doesn’t behave exactly the same as Delphi’s built-in TGraphics descendants. With this addition, PNGImage.RegisterFileFormat will be called after dxGDIPlusClasses.RegisterFileFormat and will overwrite DevExpress’ PNG handler.
