EdgeDetectionFilterType property (LEADDlgImgEffect Control)
Builder Syntax |
L_UINT EdgeDetectionFilterType |
Delphi Syntax |
EdgeDetectionFilterType: L_UINT |
Overview |
Refer to Using Imaging Common Dialogs. |
Remarks
Gets or sets the edge detection filter in the EdgeDetector dialog box.
If a user selects an edge detection filter from the EdgeDetector dialog box, the EdgeDetectionFilterType property is updated with the value that corresponds to the filter chosen. Possible values are:
Value |
Meaning |
EDG_SOBEL_VERT |
[$0101] Detect the vertical edges |
EDG_SOBEL_HORZ |
[$0102] Detect the horizontal edges |
EDG_SOBEL_ALL |
[$0103] Detect horizontal & vertical edges |
EDG_PREWITT_VERT |
[$0201] Detect the vertical edges |
EDG_PREWITT_HORZ |
[$0202] Detect the horizontal edges |
EDG_PREWITT_ALL |
[$0203] Detect horizontal & vertical edges |
EDG_LAPLACE_1 |
[$0301] Detect vertical & horizontal edges |
EDG_LAPLACE_2 |
[$0302] Detect general edges |
EDG_LAPLACE_3 |
[$0303] Detect general edges. (The filter used for this option is different than the filter used for the EDG_LAPLACE_2 filter.) |
EDG_LAPLACE_DIAG |
[$0304] Detect the diagonal edges |
EDG_LAPLACE_HORZ |
[$0305] Detect the horizontal edges |
EDG_LAPLACE_VERT |
[$0306] Detect the vertical edges |
EDG_GRADIENT_N |
[$0401] Detect north edges |
EDG_GRADIENT_NE |
[$0402] Detect north east edges |
EDG_GRADIENT_E |
[$0403] Detect east edges |
EDG_GRADIENT_SE |
[$0404] Detect south east edges |
EDG_GRADIENT_S |
[$0405] Detect south edges |
EDG_GRADIENT_SW |
[$0406] Detect south west edges |
EDG_GRADIENT_W |
[$0407] Detect west edges |
EDG_GRADIENT_NW |
[$0408] Detect north west edges |
See Also
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