2010-01-25 04:24 UTC+0100 Viktor Szakats (harbour.01 syenar.hu)
* contrib/hbwin/Makefile
* contrib/hbwin/win_prn1.c
+ contrib/hbwin/win_bmp.c
* Moved bitmap related functions to separate source file.
* contrib/hbwin/win_bmp.c
* contrib/hbwin/win_tprn.prg
* Renamed WIN_CHECKPRNDRVFORMAT() -> WIN_BITMAPISSUPPORTED()
* WIN_BMP:CheckPrnDrvFormat() -> WIN_BMP:IsSupported()
This commit is contained in:
Viktor Szakats
@@ -17,6 +17,17 @@
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||||
past entries belonging to author(s): Viktor Szakats.
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*/
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||||
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||||
2010-01-25 04:24 UTC+0100 Viktor Szakats (harbour.01 syenar.hu)
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* contrib/hbwin/Makefile
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* contrib/hbwin/win_prn1.c
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+ contrib/hbwin/win_bmp.c
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* Moved bitmap related functions to separate source file.
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||||
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* contrib/hbwin/win_bmp.c
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* contrib/hbwin/win_tprn.prg
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* Renamed WIN_CHECKPRNDRVFORMAT() -> WIN_BITMAPISSUPPORTED()
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* WIN_BMP:CheckPrnDrvFormat() -> WIN_BMP:IsSupported()
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2010-01-25 02:22 UTC+0100 Viktor Szakats (harbour.01 syenar.hu)
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* contrib/hbwin/win_prn1.c
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+ WIN_BITMAPDIMENSIONS(): Added JPEG support.
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@@ -20,6 +20,7 @@ C_SOURCES := \
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||||
legacycv.c \
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||||
wce_simc.c \
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||||
wce_smsc.c \
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||||
win_bmp.c \
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||||
win_com.c \
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||||
win_dlg.c \
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||||
win_dll.c \
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||||
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406
harbour/contrib/hbwin/win_bmp.c
Normal file
406
harbour/contrib/hbwin/win_bmp.c
Normal file
@@ -0,0 +1,406 @@
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||||
/*
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||||
* $Id$
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||||
*/
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||||
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||||
/*
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||||
* Harbour Project source code:
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||||
* Printing subsystem for Windows using GUI printing
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||||
*
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||||
* Copyright 2010 Viktor Szakats (harbour.01 syenar.hu)
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||||
* Copyright 2010 Xavi <jarabal/at/gmail.com>
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* Copyright 2004 Peter Rees <peter@rees.co.nz> Rees Software & Systems Ltd
|
||||
* www - http://www.harbour-project.org
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||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2, or (at your option)
|
||||
* any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this software; see the file COPYING. If not, write to
|
||||
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
|
||||
* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
|
||||
*
|
||||
* As a special exception, the Harbour Project gives permission for
|
||||
* additional uses of the text contained in its release of Harbour.
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||||
*
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||||
* The exception is that, if you link the Harbour libraries with other
|
||||
* files to produce an executable, this does not by itself cause the
|
||||
* resulting executable to be covered by the GNU General Public License.
|
||||
* Your use of that executable is in no way restricted on account of
|
||||
* linking the Harbour library code into it.
|
||||
*
|
||||
* This exception does not however invalidate any other reasons why
|
||||
* the executable file might be covered by the GNU General Public License.
|
||||
*
|
||||
* This exception applies only to the code released by the Harbour
|
||||
* Project under the name Harbour. If you copy code from other
|
||||
* Harbour Project or Free Software Foundation releases into a copy of
|
||||
* Harbour, as the General Public License permits, the exception does
|
||||
* not apply to the code that you add in this way. To avoid misleading
|
||||
* anyone as to the status of such modified files, you must delete
|
||||
* this exception notice from them.
|
||||
*
|
||||
* If you write modifications of your own for Harbour, it is your choice
|
||||
* whether to permit this exception to apply to your modifications.
|
||||
* If you do not wish that, delete this exception notice.
|
||||
*
|
||||
*/
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||||
|
||||
#define HB_OS_WIN_USED
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||||
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||||
#include "hbapi.h"
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#include "hbapifs.h"
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#include "hbapiitm.h"
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#include "hbwapi.h"
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#include "hbwinuni.h"
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#if ! defined( HB_OS_WIN_CE )
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/* Functions for loading & printing bitmaps */
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#define HB_WIN_BITMAP_UNKNOWN 0
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#define HB_WIN_BITMAP_BMP 1
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#define HB_WIN_BITMAP_JPEG 2
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#define HB_WIN_BITMAP_PNG 3
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static int hbwin_BitmapType( const void * pImgBuf, HB_SIZE size )
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{
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||||
int iType = HB_WIN_BITMAP_UNKNOWN;
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if( pImgBuf )
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||||
{
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||||
if( size > 2 && memcmp( pImgBuf, "BM", 2 ) == 0 )
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||||
iType = HB_WIN_BITMAP_BMP;
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else if( size > 3 && memcmp( pImgBuf, "\377\330\377", 3 ) == 0 )
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iType = HB_WIN_BITMAP_JPEG;
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||||
else if( size > 4 && memcmp( pImgBuf, "\211PNG", 4 ) == 0 )
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iType = HB_WIN_BITMAP_PNG;
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||||
}
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||||
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||||
return iType;
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||||
}
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||||
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||||
HB_FUNC( WIN_BITMAPTYPE )
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{
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hb_retni( hbwin_BitmapType( hb_parc( 1 ), hb_parclen( 1 ) ) );
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||||
}
|
||||
|
||||
HB_FUNC( WIN_LOADBITMAPFILE )
|
||||
{
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||||
HB_FHANDLE fhnd = hb_fsOpen( hb_parcx( 1 ), FO_READ | FO_SHARED );
|
||||
|
||||
/* Set default return value */
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||||
hb_retc_null();
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||||
|
||||
if( fhnd != FS_ERROR )
|
||||
{
|
||||
ULONG ulSize = hb_fsSeek( fhnd, 0, FS_END );
|
||||
|
||||
/* TOFIX: No check is done on read data from disk which is a large security hole
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||||
and may cause GPF even in simple error cases, like invalid file content.
|
||||
[vszakats] */
|
||||
if( ulSize > 2 && ulSize <= ( 32 * 1024 * 1024 ) )
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||||
{
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||||
void * pbmfh = hb_xgrab( ulSize );
|
||||
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||||
hb_fsSeek( fhnd, 0, FS_SET );
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||||
if( hb_fsReadLarge( fhnd, pbmfh, ulSize ) == ulSize && hbwin_BitmapType( pbmfh, ulSize ) != HB_WIN_BITMAP_UNKNOWN )
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hb_retclen_buffer( ( char * ) pbmfh, ( HB_SIZE ) ulSize );
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else
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hb_xfree( pbmfh );
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||||
}
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||||
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||||
hb_fsClose( fhnd );
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||||
}
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||||
}
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||||
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||||
/* Some compilers don't implement these define [jarabal] */
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||||
#ifndef CHECKJPEGFORMAT
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#define CHECKJPEGFORMAT 4119
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||||
#endif
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||||
#ifndef CHECKPNGFORMAT
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#define CHECKPNGFORMAT 4120
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||||
#endif
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||||
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||||
static HB_BOOL hbwin_BitmapIsSupported( HDC hDC, int iType, const void * pImgBuf, HB_SIZE nSize, int * piErrCode )
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||||
{
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||||
if( hDC &&
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||||
iType != HB_WIN_BITMAP_UNKNOWN &&
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||||
pImgBuf &&
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||||
nSize >= sizeof( BITMAPCOREHEADER ) )
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||||
{
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||||
if( iType == HB_WIN_BITMAP_BMP )
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||||
return HB_TRUE;
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||||
else
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||||
{
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||||
int iRes = iType = ( iType == HB_WIN_BITMAP_JPEG ? CHECKJPEGFORMAT : CHECKPNGFORMAT );
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||||
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||||
iRes = ExtEscape( hDC, QUERYESCSUPPORT, sizeof( iRes ), ( LPCSTR ) &iRes, 0, 0 );
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||||
if( iRes > 0 )
|
||||
{
|
||||
if( ExtEscape( hDC, iType, nSize, ( LPCSTR ) pImgBuf, sizeof( iRes ), ( LPSTR ) &iRes ) > 0 )
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||||
{
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||||
if( iRes == 1 )
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||||
return HB_TRUE;
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||||
else
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||||
{
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||||
if( piErrCode )
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*piErrCode = 4;
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||||
return HB_FALSE;
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||||
}
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||||
}
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||||
else
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||||
{
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||||
if( piErrCode )
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||||
*piErrCode = 3;
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||||
return HB_FALSE;
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||||
}
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||||
}
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else
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{
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||||
if( piErrCode )
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*piErrCode = 2;
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||||
return HB_FALSE;
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||||
}
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||||
}
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||||
}
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||||
else
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||||
{
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if( piErrCode )
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*piErrCode = 1;
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||||
return HB_FALSE;
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||||
}
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||||
}
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||||
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||||
HB_FUNC( WIN_BITMAPISSUPPORTED )
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{
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||||
const char * pImgBuf = hb_parc( 2 );
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||||
HB_SIZE nSize = hb_parclen( 2 );
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||||
int iErrCode = 0;
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||||
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hb_retl( hbwin_BitmapIsSupported( hbwapi_par_HDC( 1 ), hbwin_BitmapType( pImgBuf, nSize ), pImgBuf, nSize, &iErrCode ) );
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||||
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||||
hb_storni( iErrCode, 3 );
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||||
}
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||||
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||||
HB_FUNC( WIN_DRAWBITMAP )
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{
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BITMAPINFO * pbmi = NULL;
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BYTE * pBits = NULL;
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HDC hDC = hbwapi_par_HDC( 1 );
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HB_SIZE nSize = hb_parclen( 2 );
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BITMAPFILEHEADER * pbmfh = ( BITMAPFILEHEADER * ) hb_parc( 2 );
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int iType = hbwin_BitmapType( pbmfh, nSize );
|
||||
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||||
/* TOFIX: No check is done on 2nd parameter which is a large security hole
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||||
and may cause GPF in simple error cases.
|
||||
[vszakats] */
|
||||
if( hbwin_BitmapIsSupported( hDC, iType, pbmfh, nSize, NULL ) )
|
||||
{
|
||||
int iWidth = hb_parni( 7 );
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int iHeight = hb_parni( 8 );
|
||||
|
||||
if( iType == HB_WIN_BITMAP_BMP )
|
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{
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pbmi = ( BITMAPINFO * ) ( pbmfh + 1 );
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pBits = ( BYTE * ) pbmfh + pbmfh->bfOffBits;
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||||
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/* Remember there are 2 types of BitMap File */
|
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if( pbmi->bmiHeader.biSize == sizeof( BITMAPCOREHEADER ) )
|
||||
{
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||||
iWidth = ( ( BITMAPCOREHEADER * ) pbmi )->bcWidth;
|
||||
iHeight = ( ( BITMAPCOREHEADER * ) pbmi )->bcHeight;
|
||||
}
|
||||
else
|
||||
{
|
||||
iWidth = pbmi->bmiHeader.biWidth;
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iHeight = abs( pbmi->bmiHeader.biHeight );
|
||||
}
|
||||
}
|
||||
else if( iWidth && iHeight )
|
||||
{
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||||
BITMAPINFO bmi;
|
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memset( &bmi, 0, sizeof( bmi ) );
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bmi.bmiHeader.biSize = sizeof( BITMAPINFO );
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bmi.bmiHeader.biWidth = iWidth;
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bmi.bmiHeader.biHeight = -iHeight; /* top-down image */
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bmi.bmiHeader.biPlanes = 1;
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bmi.bmiHeader.biBitCount = 0;
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bmi.bmiHeader.biCompression = ( iType == HB_WIN_BITMAP_JPEG ? BI_JPEG : BI_PNG );
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bmi.bmiHeader.biSizeImage = ( DWORD ) nSize;
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pbmi = &bmi;
|
||||
pBits = ( BYTE * ) pbmfh;
|
||||
}
|
||||
|
||||
if( pbmi && pBits )
|
||||
{
|
||||
SetStretchBltMode( hDC, COLORONCOLOR );
|
||||
hb_retl( StretchDIBits( hDC, hb_parni( 3 ), hb_parni( 4 ), hb_parni( 5 ), hb_parni( 6 ),
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0, 0, iWidth, iHeight, pBits, pbmi,
|
||||
DIB_RGB_COLORS, SRCCOPY ) != ( int ) GDI_ERROR );
|
||||
}
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||||
else
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hb_retl( HB_FALSE );
|
||||
}
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||||
else
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hb_retl( HB_FALSE );
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||||
}
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||||
|
||||
#define _JPEG_RET_OK 0
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#define _JPEG_RET_OVERRUN 1
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||||
#define _JPEG_RET_INVALID 2
|
||||
#define _JPEG_RET_UNSUPPORTED 3
|
||||
|
||||
#define _JPEG_CS_GRAY 1
|
||||
#define _JPEG_CS_RGB 2
|
||||
#define _JPEG_CS_CMYK 3
|
||||
|
||||
static int hb_jpeg_get_param( const HB_BYTE * buffer, HB_SIZE nBufferSize, int * piHeight, int * piWidth, int * piColorSpace, int * piBPC )
|
||||
{
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||||
HB_SIZE nPos = 0;
|
||||
|
||||
HB_U16 tag;
|
||||
HB_U16 height = 0;
|
||||
HB_U16 width = 0;
|
||||
HB_BYTE colorspace = 0;
|
||||
HB_BYTE bpc = 0;
|
||||
|
||||
if( piHeight )
|
||||
*piHeight = 0;
|
||||
if( piWidth )
|
||||
*piWidth = 0;
|
||||
if( piColorSpace )
|
||||
*piColorSpace = 0;
|
||||
if( piBPC )
|
||||
*piBPC = 0;
|
||||
|
||||
if( nPos >= nBufferSize )
|
||||
return _JPEG_RET_OVERRUN;
|
||||
|
||||
tag = HB_SWAP_UINT16( ( HB_U16 ) HB_GET_LE_UINT16( buffer + nPos ) ); nPos += 2;
|
||||
|
||||
/* SOI marker */
|
||||
if( tag != 0xFFD8 )
|
||||
return _JPEG_RET_INVALID;
|
||||
|
||||
for( ;; )
|
||||
{
|
||||
HB_U16 size;
|
||||
|
||||
if( nPos >= nBufferSize )
|
||||
return _JPEG_RET_OVERRUN;
|
||||
|
||||
tag = HB_SWAP_UINT16( ( HB_U16 ) HB_GET_LE_UINT16( buffer + nPos ) ); nPos += 2;
|
||||
|
||||
if( nPos >= nBufferSize )
|
||||
return _JPEG_RET_OVERRUN;
|
||||
|
||||
size = HB_SWAP_UINT16( ( HB_U16 ) HB_GET_LE_UINT16( buffer + nPos ) ); nPos += 2;
|
||||
|
||||
/* SOF markers */
|
||||
if( tag == 0xFFC0 ||
|
||||
tag == 0xFFC1 ||
|
||||
tag == 0xFFC2 ||
|
||||
tag == 0xFFC9 )
|
||||
{
|
||||
if( nPos >= nBufferSize )
|
||||
return _JPEG_RET_OVERRUN;
|
||||
|
||||
colorspace = *( buffer + nPos ); nPos += 1;
|
||||
|
||||
if( nPos >= nBufferSize )
|
||||
return _JPEG_RET_OVERRUN;
|
||||
|
||||
height = HB_SWAP_UINT16( ( HB_U16 ) HB_GET_LE_UINT16( buffer + nPos ) ); nPos += 2;
|
||||
|
||||
if( nPos >= nBufferSize )
|
||||
return _JPEG_RET_OVERRUN;
|
||||
|
||||
width = HB_SWAP_UINT16( ( HB_U16 ) HB_GET_LE_UINT16( buffer + nPos ) ); nPos += 2;
|
||||
|
||||
if( nPos >= nBufferSize )
|
||||
return _JPEG_RET_OVERRUN;
|
||||
|
||||
bpc = *( buffer + nPos ); nPos += 1;
|
||||
|
||||
break;
|
||||
}
|
||||
else if( ( tag | 0x00FF ) != 0xFFFF ) /* lost marker */
|
||||
return _JPEG_RET_UNSUPPORTED;
|
||||
|
||||
nPos += size - 2;
|
||||
|
||||
if( nPos >= nBufferSize )
|
||||
return _JPEG_RET_OVERRUN;
|
||||
}
|
||||
|
||||
if( piHeight )
|
||||
*piHeight = ( int ) height;
|
||||
if( piWidth )
|
||||
*piWidth = ( int ) width;
|
||||
if( piBPC )
|
||||
*piBPC = ( int ) bpc;
|
||||
if( piColorSpace )
|
||||
{
|
||||
switch( colorspace )
|
||||
{
|
||||
case 1: *piColorSpace = _JPEG_CS_GRAY; break;
|
||||
case 3: *piColorSpace = _JPEG_CS_RGB; break;
|
||||
case 4: *piColorSpace = _JPEG_CS_CMYK; break;
|
||||
}
|
||||
}
|
||||
|
||||
return _JPEG_RET_OK;
|
||||
}
|
||||
|
||||
HB_FUNC( WIN_BITMAPDIMENSIONS )
|
||||
{
|
||||
const void * buffer = hb_parc( 1 );
|
||||
HB_SIZE nSize = hb_parclen( 1 );
|
||||
|
||||
int iType = hbwin_BitmapType( buffer, nSize );
|
||||
|
||||
int iHeight = 0;
|
||||
int iWidth = 0;
|
||||
HB_BOOL bRetVal = HB_FALSE;
|
||||
|
||||
if( iType == HB_WIN_BITMAP_BMP && nSize >= sizeof( BITMAPCOREHEADER ) )
|
||||
{
|
||||
BITMAPFILEHEADER * pbmfh = ( BITMAPFILEHEADER * ) buffer;
|
||||
BITMAPINFO * pbmi = ( BITMAPINFO * ) ( pbmfh + 1 );
|
||||
|
||||
/* Remember there are 2 types of BitMap File */
|
||||
if( pbmi->bmiHeader.biSize == sizeof( BITMAPCOREHEADER ) )
|
||||
{
|
||||
iWidth = ( ( BITMAPCOREHEADER * ) pbmi )->bcWidth;
|
||||
iHeight = ( ( BITMAPCOREHEADER * ) pbmi )->bcHeight;
|
||||
}
|
||||
else
|
||||
{
|
||||
iWidth = pbmi->bmiHeader.biWidth;
|
||||
iHeight = abs( pbmi->bmiHeader.biHeight );
|
||||
}
|
||||
|
||||
bRetVal = HB_TRUE;
|
||||
}
|
||||
else if( iType == HB_WIN_BITMAP_JPEG )
|
||||
{
|
||||
bRetVal = ( hb_jpeg_get_param( ( const HB_BYTE * ) buffer, nSize, &iHeight, &iWidth, NULL, NULL ) == _JPEG_RET_OK );
|
||||
}
|
||||
/* TODO: Add PNG support */
|
||||
|
||||
hb_storni( iWidth, 2 );
|
||||
hb_storni( iHeight, 3 );
|
||||
|
||||
hb_retl( bRetVal );
|
||||
}
|
||||
|
||||
#endif
|
||||
@@ -6,7 +6,6 @@
|
||||
* Harbour Project source code:
|
||||
* Printing subsystem for Windows using GUI printing
|
||||
*
|
||||
* Copyright 2009-2010 Viktor Szakats (harbour.01 syenar.hu)
|
||||
* Copyright 2004 Peter Rees <peter@rees.co.nz> Rees Software & Systems Ltd
|
||||
* www - http://www.harbour-project.org
|
||||
*
|
||||
@@ -509,347 +508,6 @@ HB_FUNC( WIN_GETDOCUMENTPROPERTIES )
|
||||
hb_retl( bResult );
|
||||
}
|
||||
|
||||
/* Functions for loading & printing bitmaps */
|
||||
|
||||
#define HB_WIN_BITMAP_UNKNOWN 0
|
||||
#define HB_WIN_BITMAP_BMP 1
|
||||
#define HB_WIN_BITMAP_JPEG 2
|
||||
#define HB_WIN_BITMAP_PNG 3
|
||||
|
||||
static int hbwin_BitmapType( const void * pImgBuf, HB_SIZE size )
|
||||
{
|
||||
int iType = HB_WIN_BITMAP_UNKNOWN;
|
||||
|
||||
if( pImgBuf )
|
||||
{
|
||||
if( size > 2 && memcmp( pImgBuf, "BM", 2 ) == 0 )
|
||||
iType = HB_WIN_BITMAP_BMP;
|
||||
else if( size > 3 && memcmp( pImgBuf, "\377\330\377", 3 ) == 0 )
|
||||
iType = HB_WIN_BITMAP_JPEG;
|
||||
else if( size > 4 && memcmp( pImgBuf, "\211PNG", 4 ) == 0 )
|
||||
iType = HB_WIN_BITMAP_PNG;
|
||||
}
|
||||
|
||||
return iType;
|
||||
}
|
||||
|
||||
HB_FUNC( WIN_BITMAPTYPE )
|
||||
{
|
||||
hb_retni( hbwin_BitmapType( hb_parc( 1 ), hb_parclen( 1 ) ) );
|
||||
}
|
||||
|
||||
HB_FUNC( WIN_LOADBITMAPFILE )
|
||||
{
|
||||
HB_FHANDLE fhnd = hb_fsOpen( hb_parcx( 1 ), FO_READ | FO_SHARED );
|
||||
|
||||
/* Set default return value */
|
||||
hb_retc_null();
|
||||
|
||||
if( fhnd != FS_ERROR )
|
||||
{
|
||||
ULONG ulSize = hb_fsSeek( fhnd, 0, FS_END );
|
||||
|
||||
/* TOFIX: No check is done on read data from disk which is a large security hole
|
||||
and may cause GPF even in simple error cases, like invalid file content.
|
||||
[vszakats] */
|
||||
if( ulSize > 2 && ulSize <= ( 32 * 1024 * 1024 ) )
|
||||
{
|
||||
void * pbmfh = hb_xgrab( ulSize );
|
||||
|
||||
hb_fsSeek( fhnd, 0, FS_SET );
|
||||
|
||||
if( hb_fsReadLarge( fhnd, pbmfh, ulSize ) == ulSize && hbwin_BitmapType( pbmfh, ulSize ) != HB_WIN_BITMAP_UNKNOWN )
|
||||
hb_retclen_buffer( ( char * ) pbmfh, ( HB_SIZE ) ulSize );
|
||||
else
|
||||
hb_xfree( pbmfh );
|
||||
}
|
||||
|
||||
hb_fsClose( fhnd );
|
||||
}
|
||||
}
|
||||
|
||||
/* Some compilers don't implement these define [jarabal] */
|
||||
#ifndef CHECKJPEGFORMAT
|
||||
#define CHECKJPEGFORMAT 4119
|
||||
#endif
|
||||
#ifndef CHECKPNGFORMAT
|
||||
#define CHECKPNGFORMAT 4120
|
||||
#endif
|
||||
|
||||
static HB_BOOL hbwin_CheckPrnDrvFormat( HDC hDC, int iType, const void * pImgBuf, HB_SIZE nSize, int * piErrCode )
|
||||
{
|
||||
if( hDC &&
|
||||
iType != HB_WIN_BITMAP_UNKNOWN &&
|
||||
pImgBuf &&
|
||||
nSize >= sizeof( BITMAPCOREHEADER ) )
|
||||
{
|
||||
if( iType == HB_WIN_BITMAP_BMP )
|
||||
return HB_TRUE;
|
||||
else
|
||||
{
|
||||
int iRes = iType = ( iType == HB_WIN_BITMAP_JPEG ? CHECKJPEGFORMAT : CHECKPNGFORMAT );
|
||||
|
||||
iRes = ExtEscape( hDC, QUERYESCSUPPORT, sizeof( iRes ), ( LPCSTR ) &iRes, 0, 0 );
|
||||
if( iRes > 0 )
|
||||
{
|
||||
if( ExtEscape( hDC, iType, nSize, ( LPCSTR ) pImgBuf, sizeof( iRes ), ( LPSTR ) &iRes ) > 0 )
|
||||
{
|
||||
if( iRes == 1 )
|
||||
return HB_TRUE;
|
||||
else
|
||||
{
|
||||
if( piErrCode )
|
||||
*piErrCode = 4;
|
||||
return HB_FALSE;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if( piErrCode )
|
||||
*piErrCode = 3;
|
||||
return HB_FALSE;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if( piErrCode )
|
||||
*piErrCode = 2;
|
||||
return HB_FALSE;
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if( piErrCode )
|
||||
*piErrCode = 1;
|
||||
return HB_FALSE;
|
||||
}
|
||||
}
|
||||
|
||||
HB_FUNC( WIN_CHECKPRNDRVFORMAT )
|
||||
{
|
||||
const char * pImgBuf = hb_parc( 2 );
|
||||
HB_SIZE nSize = hb_parclen( 2 );
|
||||
int iErrCode = 0;
|
||||
|
||||
hb_retl( hbwin_CheckPrnDrvFormat( hbwapi_par_HDC( 1 ), hbwin_BitmapType( pImgBuf, nSize ), pImgBuf, nSize, &iErrCode ) );
|
||||
|
||||
hb_storni( iErrCode, 3 );
|
||||
}
|
||||
|
||||
HB_FUNC( WIN_DRAWBITMAP )
|
||||
{
|
||||
BITMAPINFO * pbmi = NULL;
|
||||
BYTE * pBits = NULL;
|
||||
HDC hDC = hbwapi_par_HDC( 1 );
|
||||
HB_SIZE nSize = hb_parclen( 2 );
|
||||
BITMAPFILEHEADER * pbmfh = ( BITMAPFILEHEADER * ) hb_parc( 2 );
|
||||
int iType = hbwin_BitmapType( pbmfh, nSize );
|
||||
|
||||
/* TOFIX: No check is done on 2nd parameter which is a large security hole
|
||||
and may cause GPF in simple error cases.
|
||||
[vszakats] */
|
||||
if( hbwin_CheckPrnDrvFormat( hDC, iType, pbmfh, nSize, NULL ) )
|
||||
{
|
||||
int iWidth = hb_parni( 7 );
|
||||
int iHeight = hb_parni( 8 );
|
||||
|
||||
if( iType == HB_WIN_BITMAP_BMP )
|
||||
{
|
||||
pbmi = ( BITMAPINFO * ) ( pbmfh + 1 );
|
||||
pBits = ( BYTE * ) pbmfh + pbmfh->bfOffBits;
|
||||
|
||||
/* Remember there are 2 types of BitMap File */
|
||||
if( pbmi->bmiHeader.biSize == sizeof( BITMAPCOREHEADER ) )
|
||||
{
|
||||
iWidth = ( ( BITMAPCOREHEADER * ) pbmi )->bcWidth;
|
||||
iHeight = ( ( BITMAPCOREHEADER * ) pbmi )->bcHeight;
|
||||
}
|
||||
else
|
||||
{
|
||||
iWidth = pbmi->bmiHeader.biWidth;
|
||||
iHeight = abs( pbmi->bmiHeader.biHeight );
|
||||
}
|
||||
}
|
||||
else if( iWidth && iHeight )
|
||||
{
|
||||
BITMAPINFO bmi;
|
||||
|
||||
memset( &bmi, 0, sizeof( bmi ) );
|
||||
bmi.bmiHeader.biSize = sizeof( BITMAPINFO );
|
||||
bmi.bmiHeader.biWidth = iWidth;
|
||||
bmi.bmiHeader.biHeight = -iHeight; /* top-down image */
|
||||
bmi.bmiHeader.biPlanes = 1;
|
||||
bmi.bmiHeader.biBitCount = 0;
|
||||
bmi.bmiHeader.biCompression = ( iType == HB_WIN_BITMAP_JPEG ? BI_JPEG : BI_PNG );
|
||||
bmi.bmiHeader.biSizeImage = ( DWORD ) nSize;
|
||||
pbmi = &bmi;
|
||||
pBits = ( BYTE * ) pbmfh;
|
||||
}
|
||||
|
||||
if( pbmi && pBits )
|
||||
{
|
||||
SetStretchBltMode( hDC, COLORONCOLOR );
|
||||
hb_retl( StretchDIBits( hDC, hb_parni( 3 ), hb_parni( 4 ), hb_parni( 5 ), hb_parni( 6 ),
|
||||
0, 0, iWidth, iHeight, pBits, pbmi,
|
||||
DIB_RGB_COLORS, SRCCOPY ) != ( int ) GDI_ERROR );
|
||||
}
|
||||
else
|
||||
hb_retl( HB_FALSE );
|
||||
}
|
||||
else
|
||||
hb_retl( HB_FALSE );
|
||||
}
|
||||
|
||||
#define _JPEG_RET_OK 0
|
||||
#define _JPEG_RET_OVERRUN 1
|
||||
#define _JPEG_RET_INVALID 2
|
||||
#define _JPEG_RET_UNSUPPORTED 3
|
||||
|
||||
#define _JPEG_CS_GRAYSCALE 1
|
||||
#define _JPEG_CS_RGB 2
|
||||
#define _JPEG_CS_CMYK 3
|
||||
|
||||
static int hb_jpeg_get_param( const HB_BYTE * buffer, HB_SIZE nBufferSize, int * piHeight, int * piWidth, int * piColorSpace, int * piBPC )
|
||||
{
|
||||
HB_SIZE nPos = 0;
|
||||
|
||||
HB_U16 tag;
|
||||
HB_U16 height = 0;
|
||||
HB_U16 width = 0;
|
||||
HB_BYTE colorspace = 0;
|
||||
HB_BYTE bpc = 0;
|
||||
|
||||
if( piHeight )
|
||||
*piHeight = 0;
|
||||
if( piWidth )
|
||||
*piWidth = 0;
|
||||
if( piColorSpace )
|
||||
*piColorSpace = 0;
|
||||
if( piBPC )
|
||||
*piBPC = 0;
|
||||
|
||||
if( nPos >= nBufferSize )
|
||||
return _JPEG_RET_OVERRUN;
|
||||
|
||||
tag = HB_SWAP_UINT16( ( HB_U16 ) HB_GET_LE_UINT16( buffer + nPos ) ); nPos += 2;
|
||||
|
||||
/* SOI marker */
|
||||
if( tag != 0xFFD8 )
|
||||
return _JPEG_RET_INVALID;
|
||||
|
||||
for( ;; )
|
||||
{
|
||||
HB_U16 size;
|
||||
|
||||
if( nPos >= nBufferSize )
|
||||
return _JPEG_RET_OVERRUN;
|
||||
|
||||
tag = HB_SWAP_UINT16( ( HB_U16 ) HB_GET_LE_UINT16( buffer + nPos ) ); nPos += 2;
|
||||
|
||||
if( nPos >= nBufferSize )
|
||||
return _JPEG_RET_OVERRUN;
|
||||
|
||||
size = HB_SWAP_UINT16( ( HB_U16 ) HB_GET_LE_UINT16( buffer + nPos ) ); nPos += 2;
|
||||
|
||||
/* SOF markers */
|
||||
if( tag == 0xFFC0 ||
|
||||
tag == 0xFFC1 ||
|
||||
tag == 0xFFC2 ||
|
||||
tag == 0xFFC9 )
|
||||
{
|
||||
if( nPos >= nBufferSize )
|
||||
return _JPEG_RET_OVERRUN;
|
||||
|
||||
colorspace = *( buffer + nPos ); nPos += 1;
|
||||
|
||||
if( nPos >= nBufferSize )
|
||||
return _JPEG_RET_OVERRUN;
|
||||
|
||||
height = HB_SWAP_UINT16( ( HB_U16 ) HB_GET_LE_UINT16( buffer + nPos ) ); nPos += 2;
|
||||
|
||||
if( nPos >= nBufferSize )
|
||||
return _JPEG_RET_OVERRUN;
|
||||
|
||||
width = HB_SWAP_UINT16( ( HB_U16 ) HB_GET_LE_UINT16( buffer + nPos ) ); nPos += 2;
|
||||
|
||||
if( nPos >= nBufferSize )
|
||||
return _JPEG_RET_OVERRUN;
|
||||
|
||||
bpc = *( buffer + nPos ); nPos += 1;
|
||||
|
||||
break;
|
||||
}
|
||||
else if( ( tag | 0x00FF ) != 0xFFFF ) /* lost marker */
|
||||
return _JPEG_RET_UNSUPPORTED;
|
||||
|
||||
nPos += size - 2;
|
||||
|
||||
if( nPos >= nBufferSize )
|
||||
return _JPEG_RET_OVERRUN;
|
||||
}
|
||||
|
||||
if( piHeight )
|
||||
*piHeight = ( int ) height;
|
||||
if( piWidth )
|
||||
*piWidth = ( int ) width;
|
||||
if( piBPC )
|
||||
*piBPC = ( int ) bpc;
|
||||
if( piColorSpace )
|
||||
{
|
||||
switch( colorspace )
|
||||
{
|
||||
case 1: *piColorSpace = _JPEG_CS_GRAYSCALE; break;
|
||||
case 3: *piColorSpace = _JPEG_CS_RGB; break;
|
||||
case 4: *piColorSpace = _JPEG_CS_CMYK; break;
|
||||
}
|
||||
}
|
||||
|
||||
return _JPEG_RET_OK;
|
||||
}
|
||||
|
||||
HB_FUNC( WIN_BITMAPDIMENSIONS )
|
||||
{
|
||||
const void * buffer = hb_parc( 1 );
|
||||
HB_SIZE nSize = hb_parclen( 1 );
|
||||
|
||||
int iType = hbwin_BitmapType( buffer, nSize );
|
||||
|
||||
int iHeight = 0;
|
||||
int iWidth = 0;
|
||||
HB_BOOL bRetVal = HB_FALSE;
|
||||
|
||||
if( iType == HB_WIN_BITMAP_BMP && nSize >= sizeof( BITMAPCOREHEADER ) )
|
||||
{
|
||||
BITMAPFILEHEADER * pbmfh = ( BITMAPFILEHEADER * ) buffer;
|
||||
BITMAPINFO * pbmi = ( BITMAPINFO * ) ( pbmfh + 1 );
|
||||
|
||||
/* Remember there are 2 types of BitMap File */
|
||||
if( pbmi->bmiHeader.biSize == sizeof( BITMAPCOREHEADER ) )
|
||||
{
|
||||
iWidth = ( ( BITMAPCOREHEADER * ) pbmi )->bcWidth;
|
||||
iHeight = ( ( BITMAPCOREHEADER * ) pbmi )->bcHeight;
|
||||
}
|
||||
else
|
||||
{
|
||||
iWidth = pbmi->bmiHeader.biWidth;
|
||||
iHeight = abs( pbmi->bmiHeader.biHeight );
|
||||
}
|
||||
|
||||
bRetVal = HB_TRUE;
|
||||
}
|
||||
else if( iType == HB_WIN_BITMAP_JPEG )
|
||||
{
|
||||
bRetVal = ( hb_jpeg_get_param( ( const HB_BYTE * ) buffer, nSize, &iHeight, &iWidth, NULL, NULL ) == _JPEG_RET_OK );
|
||||
}
|
||||
/* TODO: Add PNG support */
|
||||
|
||||
hb_storni( iWidth, 2 );
|
||||
hb_storni( iHeight, 3 );
|
||||
|
||||
hb_retl( bRetVal );
|
||||
}
|
||||
|
||||
static int CALLBACK FontEnumCallBack( LOGFONT * lplf, TEXTMETRIC * lpntm,
|
||||
DWORD dwFontType, LPVOID pArray )
|
||||
{
|
||||
|
||||
@@ -769,7 +769,7 @@ METHOD Inch_To_PosY( nInch ) CLASS WIN_PRN
|
||||
METHOD GetDeviceCaps( nCaps ) CLASS WIN_PRN
|
||||
RETURN win_GetDeviceCaps( ::hPrinterDC, nCaps )
|
||||
|
||||
// Bitmap class
|
||||
/* Bitmap class */
|
||||
|
||||
CREATE CLASS WIN_BMP
|
||||
|
||||
@@ -780,7 +780,7 @@ CREATE CLASS WIN_BMP
|
||||
METHOD Create()
|
||||
METHOD Destroy()
|
||||
METHOD Draw( oPrn, aRectangle, aDimXY )
|
||||
METHOD CheckPrnDrvFormat( oPrn, nErrCode )
|
||||
METHOD IsSupported( oPrn, nErrCode )
|
||||
|
||||
VAR Type INIT 0 // Type BitMap: 1 == BM, 2 == JPEG, 3 == PNG
|
||||
VAR DimXY INIT { 0, 0 } // Image Dimensions X Y pixels
|
||||
@@ -828,8 +828,8 @@ METHOD Draw( oPrn, aRectangle, aDimXY ) CLASS WIN_BMP // Pass a WIN_PRN object r
|
||||
ENDIF
|
||||
RETURN oPrn:DrawBitMap( Self )
|
||||
|
||||
METHOD CheckPrnDrvFormat( oPrn, nErrCode ) CLASS WIN_BMP
|
||||
RETURN win_CheckPrnDrvFormat( oPrn:hPrinterDc, ::Bitmap, @nErrCode )
|
||||
METHOD IsSupported( oPrn, nErrCode ) CLASS WIN_BMP
|
||||
RETURN win_BitmapIsSupported( oPrn:hPrinterDc, ::Bitmap, @nErrCode )
|
||||
|
||||
#ifdef HB_COMPAT_XPP
|
||||
|
||||
|
||||
Reference in New Issue
Block a user