FilterParabolaTransformation  Method

Description         This function will parabola transform the input image. This function works for only 8 bit per pixel and 24 bit per pixel images. Parabola and inverse parabola transformation of an image is defined as



Description: macskaauto                                          Description: macskaauto

The original 180 x 210 pixel image and the parabola transformed image with bInverse =.FALSE parameter.

Syntax                 RetVal = [BiFilter.]FilterParabolaTransformation  hDib bInverse iShowProgress hWnd

Returns               RetVal                    LONGLONG The handle of new filtered DIB, 0 if an error occurred, or -1 if the BIFilter.dll does not installed.

Remarks             hDib                       LONGLONG Handle of the image to filter.

                            bInverse                 BOOL             Normal or inverse parabola transformation.

                            iShowProgress       short                This parameter specifies the displaying of the progressbar and the preview dialog.

Available values:

DISPLAY_NONE (0) - The progressbar and the preview dialog will not display before filtering.

DISPLAY_PROGRESS (1) - The progressbar will display during filtering procedure.

DISPLAY_DIALOG (2) - The preview dialog will display before filtering. This dialog shows the part of the image before and after filtering.

DISPLAY_BOTH (3) - The progressbar and the preview dialog will display.

IMPORTANT: The preview dialog will only display, if there is BIDlgs32.dll installed.

                            hWnd                     LONGLONG Handler of the parent window.

See Also