L_DlgGIFWebTuner
#include "l_bitmap.h"
L_LTDLG_API L_INT L_DlgGIFWebTuner(hWndOwner, pDlgParams)
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L_HWND hWndOwner; |
/* owner of dialog */ |
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LPGIFWEBTUNERDLGPARAMS pDlgParams; |
/* pointer to a structure */ |
Displays the GIF Web Tuner dialog box, and gets tuning options used by L_ColorResBitmap, L_FillBitmap, L_SaveBitmap and L_SetBitmapRgnColorRGBRange.
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Parameter |
Description |
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hWndOwner |
Handle of the window, which owns the dialog. |
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pDlgParams |
Pointer to a GIFWEBTUNERDLGPARAMS 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. |
Comments
Returns
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SUCCESS_DLG_OK |
The "OK" button was pressed, and the dialog exited successfully. |
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SUCCESS_DLG_CLOSE |
The "Close" button was pressed, and the dialog exited successfully. |
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SUCCESS_DLG_CANCEL |
The "Cancel" button was pressed, and the dialog exited successfully. |
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< 1 |
An error occurred. Refer to Return Codes. |
Required DLLs and Libraries
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LTDLGWEB For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application |
See Also
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Functions: |
L_DlgInit, L_SaveBitmap, L_DlgPNGWebTuner, L_DlgJPEGWebTuner |
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Topics: |
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Example
// Example1:
L_INT DlgGIFWebTunerFirstExample(HWND hWnd,pBITMAPHANDLE pBitmap)
{
L_INT nRet;
GIFWEBTUNERDLGPARAMS DlgParams ;
memset ( &DlgParams, 0, sizeof ( GIFWEBTUNERDLGPARAMS ) ) ;
DlgParams.uStructSize = sizeof ( GIFWEBTUNERDLGPARAMS ) ;
DlgParams.pBitmap = pBitmap ;
DlgParams.uDlgFlags = DLG_GIFWEBTUNER_SHOW_EXPORT |
DLG_GIFWEBTUNER_SHOW_INFORMATION |
DLG_GIFWEBTUNER_SHOW_PREVIEW |
DLG_GIFWEBTUNER_SHOW_TOOL_ZOOMLEVEL |
DLG_GIFWEBTUNER_SHOW_TOOL_COLORPICKER |
DLG_GIFWEBTUNER_SHOW_TRANSPARENCY |
DLG_GIFWEBTUNER_SHOW_OPTIONS |
DLG_GIFWEBTUNER_SHOW_ADDWINDOWCOLOR ;
nRet = L_DlgInit ( DLG_INIT_COLOR ) ;
if(nRet != SUCCESS && nRet != ERROR_DLG_ALREADYINITIATED)
return nRet;
nRet = L_DlgGIFWebTuner ( hWnd, &DlgParams ) ;
if(nRet < 1)
return nRet;
nRet = L_DlgFree () ;
if(nRet != SUCCESS)
return nRet;
return SUCCESS;
} ;
// Example2:
static COLORREF AddTolerance(COLORREF crColor,
L_INT nTolerance)
{
L_INT nRed ;
L_INT nGreen ;
L_INT nBlue ;
nRed = max ( min ( ( L_INT ) GetRValue ( crColor ) + nTolerance, 255 ), 0 ) ;
nGreen = max ( min ( ( L_INT ) GetGValue ( crColor ) + nTolerance, 255 ), 0 ) ;
nBlue = max ( min ( ( L_INT ) GetBValue ( crColor ) + nTolerance, 255 ), 0 ) ;
return RGB ( nRed, nGreen, nBlue ) ;
}
static L_VOID ExportBitmap(L_TCHAR* szFileName,
pBITMAPHANDLE pBitmap,
LPGIFWEBTUNERDLGPARAMS pParam)
{
{// TRANSPERANCY
if ( pParam->bTransparent )
{
COLORREF crTransparentStart ;
COLORREF crTransparentEnd ;
crTransparentStart = AddTolerance ( pParam->crTransparent,
- pParam->nTransparencyTolerance ) ;
crTransparentEnd = AddTolerance ( pParam->crTransparent,
pParam->nTransparencyTolerance ) ;
// reset
L_FreeBitmapRgn ( pBitmap ) ;
// set attributes
pBitmap->Flags.Transparency = TRUE ;
pBitmap->Transparency = pParam->crTransparent ;
// replace colors
if ( pParam->nTransparencyTolerance >= 0 )
{
L_SetBitmapRgnColorRGBRange ( pBitmap,
crTransparentStart,
crTransparentEnd,
L_RGN_SET ) ;
if (L_BitmapHasRgn ( pBitmap ) )
{
L_FillBitmap ( pBitmap, pParam->crTransparent ) ;
}
L_FreeBitmapRgn ( pBitmap ) ;
}
}
}// TRANSPERANCY
{// COLOR RESOLUTION
L_UINT32 uFlags ;
if ( ( 24 != pParam->nBitsPerPixel ) || ( 0 != pParam->nPalType ) )
{
uFlags = ( ( pParam->bAddWindowsColors ) && ( CRF_OPTIMIZEDPALETTE == pParam->nPalType ) ) ? CRF_IDENTITYPALETTE : 0 ;
uFlags |= pParam->nDitherType ;
uFlags |= pParam->nPalType ;
L_ColorResBitmap (pBitmap,
pBitmap,
sizeof(BITMAPHANDLE),
pParam->nBitsPerPixel,
uFlags,
NULL,
NULL,
pParam->nNumOfColors,
NULL,
NULL ) ;
}
}// COLOR RESOLUTION
{// SAVE TO DISK
SAVEFILEOPTION SaveOptions ;
memset ( &SaveOptions, 0, sizeof ( SAVEFILEOPTION ) ) ;
if ( pParam->bInterlaced )
{
SaveOptions.Flags = ESO_INTERLACED ;
}
L_SaveBitmap (szFileName,
pBitmap,
FILE_GIF,
pParam->nBitsPerPixel,
0,
&SaveOptions ) ;
}// SAVE TO DISK
}
L_INT DlgGIFWebTunerSecondExample(HWND hWnd,pBITMAPHANDLE pBitmap)
{
L_INT nRet ;
GIFWEBTUNERDLGPARAMS DlgParams ;
memset ( &DlgParams, 0, sizeof ( GIFWEBTUNERDLGPARAMS ) ) ;
DlgParams.uStructSize = sizeof ( GIFWEBTUNERDLGPARAMS ) ;
DlgParams.pBitmap = pBitmap ;
DlgParams.uDlgFlags = DLG_GIFWEBTUNER_SHOW_INFORMATION |
DLG_GIFWEBTUNER_SHOW_PREVIEW |
DLG_GIFWEBTUNER_SHOW_TOOL_ZOOMLEVEL |
DLG_GIFWEBTUNER_SHOW_TOOL_COLORPICKER |
DLG_GIFWEBTUNER_SHOW_TRANSPARENCY |
DLG_GIFWEBTUNER_SHOW_OPTIONS |
DLG_GIFWEBTUNER_SHOW_ADDWINDOWCOLOR ;
nRet = L_DlgInit ( DLG_INIT_COLOR ) ;
if(nRet != SUCCESS && nRet != ERROR_DLG_ALREADYINITIATED)
return nRet;
nRet = L_DlgGIFWebTuner ( hWnd, &DlgParams ) ;
L_DlgFree () ;
if ( SUCCESS_DLG_OK == nRet )
{
ExportBitmap ( TEXT("tuned.gif"), pBitmap, &DlgParams ) ;
}
else if (nRet < 1)
return nRet;
return SUCCESS;
}