ShowGaussianBlurDlg method (LEADDlgImgEffect Control)
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Builder Syntax |
int ShowGaussianBlurDlg(TWinControl* AOwnerCtrl); |
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Delphi Syntax |
Function ShowGaussianBlurDlg (AOwnerCtrl: TWinControl ): L_INT; |
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Overview |
Refer to Using Imaging Common Dialogs. |
Remarks
Displays the Gaussian Blur dialog box, and gets the options for the GaussianFilter method.
The layout and action of the dialog depends on the flags set in the DlgFlags property. Possible options are:
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Value |
Meaning |
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DLG_GAUSSIANBLUR_AUTOPROCESS |
[$00000001] Process the image on OK. The LEADImage property must be assigned a Main Control containing a valid bitmap to the Common Dialog before calling this method. |
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DLG_GAUSSIANBLUR_SHOW_CONTEXTHELP |
[$00000002] Dialog should contain a context sensitive help icon. |
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DLG_GAUSSIANBLUR_SHOW_PREVIEW |
[$00000004] Show a preview of the image in the dialog. The LEADImage property must be assigned a Main Control containing a valid bitmap to the Common Dialog before calling this method. |
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DLG_GAUSSIANBLUR_SHOW_TOOL_ZOOMLEVEL |
[$00000008] Show the "Zoom to fit" and "Zoom Normal" toolbar buttons. The DLG_GAUSSIANBLUR_SHOW_PREVIEW flag must be set in order to show these buttons. |
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DLG_GAUSSIANBLUR_SHOW_APPLY |
[$00000080] Show the Apply button in the dialog. The dialog will not apply any effect unless the user presses the Apply button. |
If you include DLG_GAUSSIANBLUR_AUTOPROCESS or DLG_GAUSSIANBLUR_SHOW_PREVIEW in the DlgFlags property, the LEADImage property must be assigned a Main Control containing a valid bitmap to the Common Dialog before calling this method.
The property associated with this dialog box is:
Radius property.
To include a Help button in the dialog, set the ShowHelpButton property to TRUE.
The Gaussian Blur dialog can be seen below:
See Also
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Elements: |
GaussianFilter method, Radius property, ShowHelpButton property, ZoomToFit Property, DlgFlags property, EnableMethodErrors property, LEADImage property |
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Topics: |