INTEGRATION: CWS os2port01 (1.2.2); FILE ADDED

2006/11/29 14:34:03 ydario 1.2.2.1: Initial OS/2 import.

vcl/os2/source/gdi/salvd.cxx

+/*************************************************************************
+ *
+ *  $RCSfile: salvd.cxx,v $
+ *
+ *  $Revision: 1.3 $
+ *
+ *  last change: $Author: vg $ $Date: 2007-09-20 16:08:11 $
+ *
+ *  The Contents of this file are made available subject to the terms of
+ *  either of the following licenses
+ *
+ *         - GNU Lesser General Public License Version 2.1
+ *         - Sun Industry Standards Source License Version 1.1
+ *
+ *  Sun Microsystems Inc., October, 2000
+ *
+ *  GNU Lesser General Public License Version 2.1
+ *  =============================================
+ *  Copyright 2000 by Sun Microsystems, Inc.
+ *  901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License version 2.1, as published by the Free Software Foundation.
+ *
+ *  This library 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
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ *  MA  02111-1307  USA
+ *
+ *
+ *  Sun Industry Standards Source License Version 1.1
+ *  =================================================
+ *  The contents of this file are subject to the Sun Industry Standards
+ *  Source License Version 1.1 (the "License"); You may not use this file
+ *  except in compliance with the License. You may obtain a copy of the
+ *  License at http://www.openoffice.org/license.html.
+ *
+ *  Software provided under this License is provided on an "AS IS" basis,
+ *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ *  See the License for the specific provisions governing your rights and
+ *  obligations concerning the Software.
+ *
+ *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
+ *
+ *  Copyright: 2000 by Sun Microsystems, Inc.
+ *
+ *  All Rights Reserved.
+ *
+ *  Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+#include <string.h>
+
+#include <svpm.h>
+
+#define _SV_SALVD_CXX
+
+#ifndef _SV_SALDATA_HXX
+#include <saldata.hxx>
+#endif
+#ifndef _SV_SALINST_H
+#include <salinst.h>
+#endif
+#ifndef _SV_SALGDI_H
+#include <salgdi.h>
+#endif
+#ifndef _SV_SALVD_H
+#include <salvd.h>
+#endif
+
+#ifndef __H_FT2LIB
+#include <wingdi.h>
+#include <ft2lib.h>
+#endif
+
+// =======================================================================
+
+HBITMAP ImplCreateVirDevBitmap( HDC hDC, HPS hPS, long nDX, long nDY,
+                                USHORT nBitCount )
+{
+    if( !nBitCount )
+    {
+        LONG nDevBitCount;
+        DevQueryCaps( hDC, CAPS_COLOR_BITCOUNT, 1, &nDevBitCount );
+        nBitCount = nDevBitCount;
+    }
+
+    LONG nPlanes;
+    DevQueryCaps( hDC, CAPS_COLOR_PLANES, 1, &nPlanes );
+
+    // entsprechende Bitmap zum OutputDevice erzeugen
+    HBITMAP hBitmap;
+    BITMAPINFOHEADER2 aBitmapInfo;
+    memset( &aBitmapInfo, 0, sizeof( BITMAPINFOHEADER2 ) );
+    aBitmapInfo.cbFix     = sizeof( BITMAPINFOHEADER2 );
+    aBitmapInfo.cx        = nDX;
+    aBitmapInfo.cy        = nDY;
+    aBitmapInfo.cPlanes   = nPlanes;
+    aBitmapInfo.cBitCount = (nBitCount < 4) ? 4 : nBitCount;
+    hBitmap  = GpiCreateBitmap( hPS, &aBitmapInfo, 0, NULL, NULL );
+    return hBitmap;
+}
+
+// -----------------------------------------------------------------------
+
+SalVirtualDevice* Os2SalInstance::CreateVirtualDevice( SalGraphics* pSGraphics,
+                                                    long nDX, long nDY,
+                                                    USHORT nBitCount,
+                                                       const SystemGraphicsData* pData )
+{
+    Os2SalGraphics* pGraphics = static_cast<Os2SalGraphics*>(pSGraphics);
+    HAB     hAB = GetSalData()->mhAB;
+    SIZEL   size;
+
+    // create device context (at this time allways display compatible)
+    DEVOPENSTRUC aDevOpenStruc = { NULL, "DISPLAY", NULL, NULL, NULL, NULL, NULL, NULL, NULL };
+    HDC hDC = DevOpenDC( hAB, OD_MEMORY, (PSZ)"*", 5, (PDEVOPENDATA)&aDevOpenStruc, 0 );
+    if ( !hDC )
+        return NULL;
+
+    // create presentation space
+    size.cx = nDX;
+    size.cy = nDY;
+    HPS hPS = Ft2CreatePS( hAB, hDC, &size, GPIT_MICRO | GPIA_ASSOC | PU_PELS );
+    if ( !hPS )
+    {
+        DevCloseDC( hDC );
+        return NULL;
+    }
+
+    // create bitmap for the virtual device
+    HBITMAP hBmp = ImplCreateVirDevBitmap( hDC, hPS, nDX, nDY, nBitCount );
+    if ( !hBmp )
+    {
+        Ft2DestroyPS( hPS );
+        DevCloseDC( hDC );
+        return NULL;
+    }
+
+    // init data
+    Os2SalVirtualDevice*    pVDev               = new Os2SalVirtualDevice;
+    Os2SalGraphics*     pVirGraphics        = new Os2SalGraphics;
+
+    pVirGraphics->mhDC      = hDC;
+    pVirGraphics->mhPS      = hPS;
+    pVirGraphics->mhWnd     = 0;
+    pVirGraphics->mnHeight  = nDY;
+    pVirGraphics->mbPrinter = FALSE;
+    pVirGraphics->mbVirDev  = TRUE;
+    pVirGraphics->mbWindow  = FALSE;
+    pVirGraphics->mbScreen  = pGraphics->mbScreen;
+    ImplSalInitGraphics( pVirGraphics );
+
+    pVDev->mhDC             = hDC;
+    pVDev->mhPS             = hPS;
+    pVDev->mhBmp            = hBmp;
+    pVDev->mhDefBmp         = Ft2SetBitmap( hPS, hBmp );
+    pVDev->mpGraphics       = pVirGraphics;
+    pVDev->mnBitCount       = nBitCount;
+    pVDev->mbGraphics       = FALSE;
+    return pVDev;
+}
+
+// -----------------------------------------------------------------------
+
+void Os2SalInstance::DestroyVirtualDevice( SalVirtualDevice* pDevice )
+{
+    delete pDevice;
+}
+
+// =======================================================================
+
+Os2SalVirtualDevice::Os2SalVirtualDevice()
+{
+}
+
+// -----------------------------------------------------------------------
+
+Os2SalVirtualDevice::~Os2SalVirtualDevice()
+{
+    ImplSalDeInitGraphics( mpGraphics );
+
+    Ft2SetBitmap( mpGraphics->mhPS, mhDefBmp );
+    GpiDeleteBitmap( mhBmp );
+    Ft2DestroyPS( mpGraphics->mhPS );
+    DevCloseDC( mpGraphics->mhDC );
+    delete mpGraphics;
+}
+
+// -----------------------------------------------------------------------
+
+SalGraphics* Os2SalVirtualDevice::GetGraphics()
+{
+    if ( mbGraphics )
+        return NULL;
+
+    if ( mpGraphics )
+        mbGraphics = TRUE;
+
+    return mpGraphics;
+}
+
+// -----------------------------------------------------------------------
+
+void Os2SalVirtualDevice::ReleaseGraphics( SalGraphics* )
+{
+    mbGraphics = FALSE;
+}
+
+// -----------------------------------------------------------------------
+
+BOOL Os2SalVirtualDevice::SetSize( long nDX, long nDY )
+{
+    HBITMAP hNewBmp = ImplCreateVirDevBitmap( mhDC,
+                                              mhPS, nDX, nDY,
+                                              mnBitCount );
+    if ( hNewBmp )
+    {
+        Ft2SetBitmap( mhPS, hNewBmp );
+        GpiDeleteBitmap( mhBmp );
+        mhBmp = hNewBmp;
+        mpGraphics->mnHeight  = nDY;
+        return TRUE;
+    }
+    else
+        return FALSE;
+}
+
+void Os2SalVirtualDevice::GetSize( long& rWidth, long& rHeight )
+{
+    DevQueryCaps( mpGraphics->mhDC, CAPS_WIDTH, CAPS_WIDTH, (LONG*)rWidth );
+    DevQueryCaps( mpGraphics->mhDC, CAPS_HEIGHT, CAPS_HEIGHT, (LONG*)rHeight );
+}