ShowRadialBlurDlg method (LEADDlgImgEffect Control)

C++ Builder example

Delphi 4.0 example

 

Builder Syntax

int ShowRadialBlurDlg(TWinControl* AOwnerCtrl);

Delphi Syntax

Function ShowRadialBlurDlg (AOwnerCtrl: TWinControl ): L_INT;

Overview

Refer to Using Imaging Common Dialogs.

Remarks

(Raster Pro and above toolkits) Displays the Radial Blur dialog box, and gets the options for the RadialBlur method.

The layout and action of the dialog depends on the flags set in the DlgFlags property. Possible options are:

Value

Meaning

DLG_RADIALBLUR_AUTOPROCESS

[$00000001] Process the image on OK. The LEADImage property must be assigned a Main Control containing a valid bitmap before calling this method.

DLG_RADIALBLUR_SHOW_CONTEXTHELP

[$00000002] Dialog should contain a context sensitive help icon.

DLG_RADIALBLUR_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 before calling this method.

DLG_RADIALBLUR_SHOW_TOOL_ZOOMLEVEL

[$00000008] Show the "Zoom to fit" and "Zoom Normal" toolbar buttons. The DLG_RADIALBLUR_SHOW_PREVIEW flag must be set in order to show these buttons.

DLG_RADIALBLUR_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_RADIALBLUR_AUTOPROCESS or DLG_RADIALBLUR_SHOW_PREVIEW in the DlgFlags property, the LEADImage property must be assigned a Main Control containing a valid bitmap before calling this method.

The properties associated with this dialog box are:

Dimension property.

Stress property.

CenterPoint property.

To include a Help button in the dialog, set the ShowHelpButton property to TRUE.

The Radial Blur dialog can be seen below:

image\RadialBlur.gif

This dialog has the following fields:

image\Icon_Pivot.gif Pivot Section:

This section contains two edit boxes and a display area for setting the pivot point. You can also set the pivot point by right clicking on the Before view. The Pivot point image\Icon_Pivot.gif appears on the point you just clicked.

X Edit box:

Use this to set the pivot's x-axis position in the image. Enter the value directly in the edit box or use the arrows to set the desired value.

Y Edit box:

Use this to set the pivot's y-axis position in the image. Enter the value directly in the edit box or use the arrows to set the desired value.

Cursor Pos (x,y):

Brings up the mouse position with respect to the image.

Center Button:

Use the Center button to center the Before and After views with respect to image\Icon_Pivot.gif the pivot point position.

See Also

Elements:

RadialBlur method, Dimension property, Stress property, CenterPoint property, ShowHelpButton property, ZoomToFit Property, DlgFlags property, EnableMethodErrors property, LEADImage property

Topics:

Imaging Common Dialogs: Properties, Methods, and Events