This function splits a 32 bit RGBA image into a 24 bit RGB image and an 8 bit alpha channel image.

[C++Builder/Visual C++]   BOOL IKSplitRGBAImage(HANDLE InHandle, HANDLE *OutHandle1, HANDLE *OutHandle2, IKPROCESSPROC UserProc, LPCTSTR Caption, LPCTSTR Message, LPCTSTR Button);
[Delphi]     function IKSplitRGBAImage(InHandle: THandle; var OutHandle1, OutHandle2: THandle; UserProc: LONG_PTR; Caption, Message, Button: PChar): LongBool;
[Visual Basic]   Function IKSplitRGBAImage(ByVal InHandle As Long, OutHandle1 As Long, OutHandle2 As Long, ByVal UserProc As Long, ByVal Caption As String, ByVal Message As String, ByVal Button As String) As Long

Parameters

Name Explanation
InHandle The image handle of the 32 bit RGBA image
OutHandle1 The retrieved image handle of the 24 bit RGB image
OutHandle2 The retrieved image handle of the 8 bit grayscaled alpha channel image
UserProc The address of the user function (If not using the user function then set to 0)
Caption Sets the text displayed in the title bar of the progress dialog box
Message Sets the message displayed in the progress dialog box
Button Sets the name of the button displayed in the progress dialog box

Return Value

Returns the True(nonzero) if successful. Returns 0 if unsuccessful.

Explanation

The IKSplitRGBAImage function splits a 32 bit RGBA image into a 24 bit RGB image and an 8 bit alpha channel image.

If the user function is set or if the Caption, Message, and Button parameters are blank then the Progress dialog box is not displayed. If the Progress dialog box is displayed, it indicates the percentage of the current process completed. For more information about the user function please refer to the Definition of User Function in the Ik9Effect.dll, Ik9EffectA.dll, Ik9Effect64.dll, Ik9Effect64A.dlll section.

See Also

Ik9File.dll, Ik9FileA.dll, Ik9File64.dll, Ik9File64A.dll: IKPngFileLoadEx and IKPngFileSaveEx

 

The ImageKit9 ActiveX is a product created by Newtone Corporation