Available in LEADTOOLS Imaging Pro, Vector, Document, and Medical Imaging toolkits.
Raster Image Functions: Creation, Deletion, and Copying Using DIBs and DDBs
DIB functions:
L_ChangeFromDIB
L_ChangeToDIB
L_ConvertFromDIB
L_ConvertToDIB
DDB functions:
L_ChangeFromDDB
L_ChangeToDDB
L_ConvertFromDDB
L_ConvertToDDB