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
Examples
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