#include "l_bitmap.h"
L_LTDLG_API L_INT L_DlgResize(hWndOwner, pDlgParams)
L_HWND hWndOwner; |
owner of dialog |
LPRESIZEDLGPARAMS pDlgParams; |
pointer to a RESIZEDLGPARAMS structure |
Displays the Resize dialog box and gets the options for the resize/resample functions.
Parameter |
Description |
hWndOwner |
Handle of the window which owns the dialog. |
pDlgParams |
Pointer to a RESIZEDLGPARAMS 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. |
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. |
Required DLLs and Libraries
LTDLGIMG For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application |
Functions: |
L_DlgInit, L_Resize, L_ResizeBitmap, L_SizeBitmap, L_StartResize, L_StopResize |
Topics: |
|
|
L_INT DlgResizeExample(HWND hWnd, pBITMAPHANDLE pBitmap)
{
L_INT nRet;
RESIZEDLGPARAMS DlgParams ;
memset ( &DlgParams, 0, sizeof ( RESIZEDLGPARAMS ) ) ;
DlgParams.uStructSize = sizeof ( RESIZEDLGPARAMS ) ;
DlgParams.pBitmap = pBitmap ;
DlgParams.uOriginalWidth = BITMAPWIDTH ( pBitmap ) ;
DlgParams.uOriginalHeight = BITMAPHEIGHT ( pBitmap ) ;
DlgParams.uOriginalResolutionX = pBitmap->XResolution ;
DlgParams.uOriginalResolutionY = pBitmap->YResolution ;
DlgParams.uOriginalBitsPerPixel = pBitmap->BitsPerPixel ;
DlgParams.uDlgFlags = DLG_RESIZE_SHOW_IDENTICALVALUE |
DLG_RESIZE_SHOW_MAINTAINASPECT |
DLG_RESIZE_SHOW_PERCENTAGE |
DLG_RESIZE_SHOW_RESOLUTIONGRP ;
nRet = L_DlgInit ( DLG_INIT_COLOR );
if(nRet != SUCCESS && nRet != ERROR_DLG_ALREADYINITIATED)
return nRet;
nRet = L_DlgResize( hWnd, &DlgParams);
if(nRet < 1)
return nRet;
nRet = L_DlgFree () ;
if(nRet != SUCCESS)
return nRet;
return SUCCESS;
}