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L_DlgInvertedText

Summary

Displays the Inverted Text dialog box, and gets the options for L_InvertedTextBitmap.

This function is available in the Document/Medical Document/Medical toolkits.

Syntax

#include "l_bitmap.h"

L_LTDLG_API L_INT L_DlgInvertedText(hWndOwner, pDlgParams)

Parameters

L_HWND hWndOwner

Handle of the window which owns the dialog.

LPINVERTEDTEXTDLGPARAMS pDlgParams

Pointer to an INVERTEDTEXTDLGPARAMS structure to be updated with the values entered by the user, through the dialog. Set members of this structure, before calling this function, to set the dialogs initial values.

Returns

Value	Meaning
SUCCESS_DLG_OK	The "OK" button was pressed, and the dialog exited successfully.
SUCCESS_DLG_CANCEL	The "Cancel" button was pressed, and the dialog exited successfully.
< 1	An error occurred. Refer to Return Codes.

Comments

The L_InvertedTextBitmap function only works with 1-bit images. If you provide a bitmap in the INVERTEDTEXTDLGPARAMS structure, it must be a 1-bit bitmap.

The Inverted Text dialog.

Required DLLs and Libraries

LTDLGIMGDOC
LTDLGKRN
LTDLGUTL
LTDLGCTRL
LTDLGCOM
LTDIS
LTIMGUTL
LTIMGCOR
LTKRN
For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application

Example

L_INT ShowDlgInvertedTextExample(HWND hWnd,pBITMAPHANDLE pBitmap) 
{ 
   L_INT nRet; 
   INVERTEDTEXTDLGPARAMS   DlgParams ; 
   BITMAPHANDLE            BitmapRegion ; 
 
   memset ( &DlgParams, 0, sizeof ( INVERTEDTEXTDLGPARAMS ) ) ; 
   memset ( &BitmapRegion, 0, sizeof ( BITMAPHANDLE ) ) ; 
 
   DlgParams.uStructSize                    = sizeof ( INVERTEDTEXTDLGPARAMS ) ; 
   DlgParams.pBitmap                        = pBitmap ; 
   DlgParams.InvertedText.uStructSize       = sizeof ( INVERTEDTEXT ) ; 
   DlgParams.InvertedText.pBitmapRegion     = &BitmapRegion ; 
   DlgParams.InvertedText.uBitmapStructSize = sizeof ( BITMAPHANDLE ); 
   DlgParams.InvertedText.iMinInvertHeight  = 1 ; 
   DlgParams.InvertedText.iMinInvertWidth   = 1 ; 
   DlgParams.InvertedText.uFlags            = INVERTEDTEXT_USE_DIAGONALS | 
                                              INVERTEDTEXT_USE_DPI       ; 
   DlgParams.uDlgFlags                      = DLG_INVERTEDTEXT_SHOW_PREVIEW        | 
                                              DLG_INVERTEDTEXT_SHOW_TOOL_ZOOMLEVEL ; 
 
   nRet = L_DlgInit ( DLG_INIT_COLOR ) ; 
   if(nRet != SUCCESS && nRet != ERROR_DLG_ALREADYINITIATED) 
      return nRet; 
   nRet = L_DlgInvertedText ( hWnd, &DlgParams ) ; 
   if(nRet < 1) 
      return nRet; 
   if(L_BitmapHasRgn(&BitmapRegion)) 
      L_FreeBitmapRgn(&BitmapRegion); 
   nRet = L_DlgFree () ; 
   if(nRet != SUCCESS) 
      return nRet; 
   return SUCCESS; 
} ;