EROSIONFILTERDLGPARAMS

Summary

The EROSIONFILTERDLGPARAMS structure provides information used to initialize the dialog box created by the LDialogImageEffect::DoModalErosionFilter function. After the user closes the dialog box, this structure is updated with information about the user's selections.

Syntax

typedef struct _EROSIONFILTERDLGPARAMS 
{ 
   L_UINT uStructSize; 
   pBITMAPHANDLE pBitmap; 
   L_BOOL bZoomToFit; 
   pBINARYFLT pFilter; 
   L_UINT32 uDlgFlags; 
   LTCOMMDLGHELPCB pfnHelpCallback; 
   L_VOID  *pHelpCallBackUserData; 
} EROSIONFILTERDLGPARAMS,  * LPEROSIONFILTERDLGPARAMS; 

Members

uStructSize

Size of this structure, in bytes. Use the sizeof operator to calculate this value.

pBitmap

Ignored.

bZoomToFit

Flag that indicates the initial zoom level for previewing the image. Possible values are:

Value Meaning
TRUE Set the initial zoom level to "Zoom to fit".
FALSE Set the initial zoom level to "Normal (1:1)".

pFilter

Address of a variable to be updated with the binary filter selected in the dialog. Erosion filters shrink black objects in the image. The effect is biased in the specified direction. Possible values are:

uDlgFlags

User interface flags for this dialog, which determine the layout and action of the dialog. Possible values are:

Value Meaning
DLG_EROSIONFILTER_SHOW_CONTEXTHELP [0x00000002] dialog should contain a context sensitive help icon.

pfnHelpCallback

Ignored.

pHelpCallBackUserData

Ignored.

Usage

Help Version 23.0.2024.2.29
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LEADTOOLS Common Dialog C++ Class Library Help
Products | Support | Contact Us | Intellectual Property Notices
© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.