diff options
Diffstat (limited to 'vcl/win/source/gdi/salvd.cxx')
| -rw-r--r-- | vcl/win/source/gdi/salvd.cxx | 256 |
1 files changed, 256 insertions, 0 deletions
diff --git a/vcl/win/source/gdi/salvd.cxx b/vcl/win/source/gdi/salvd.cxx new file mode 100644 index 000000000000..816a8fef1141 --- /dev/null +++ b/vcl/win/source/gdi/salvd.cxx @@ -0,0 +1,256 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_vcl.hxx" +#include <tools/svwin.h> +#include <wincomp.hxx> +#include <saldata.hxx> +#include <salinst.h> +#include <salgdi.h> +#include <salvd.h> +#include <vcl/sysdata.hxx> + +// ======================================================================= + +static HBITMAP ImplCreateVirDevBitmap( HDC hDC, long nDX, long nDY, + USHORT nBitCount ) +{ + HBITMAP hBitmap; + + if ( nBitCount == 1 ) + { + hBitmap = CreateBitmap( (int)nDX, (int)nDY, 1, 1, NULL ); + } + else + { + // #146839# Don't use CreateCompatibleBitmap() - there seem to + // be build-in limits for those HBITMAPs, at least this fails + // rather often on large displays/multi-monitor setups. + BITMAPINFO aBitmapInfo; + aBitmapInfo.bmiHeader.biSize = sizeof( BITMAPINFOHEADER ); + aBitmapInfo.bmiHeader.biWidth = nDX; + aBitmapInfo.bmiHeader.biHeight = nDY; + aBitmapInfo.bmiHeader.biPlanes = 1; + aBitmapInfo.bmiHeader.biBitCount = (WORD)GetDeviceCaps( hDC, + BITSPIXEL ); + aBitmapInfo.bmiHeader.biCompression = BI_RGB; + aBitmapInfo.bmiHeader.biSizeImage = 0; + aBitmapInfo.bmiHeader.biXPelsPerMeter = 0; + aBitmapInfo.bmiHeader.biYPelsPerMeter = 0; + aBitmapInfo.bmiHeader.biClrUsed = 0; + aBitmapInfo.bmiHeader.biClrImportant = 0; + + void* pDummy; + hBitmap = CreateDIBSection( hDC, &aBitmapInfo, + DIB_RGB_COLORS, &pDummy, NULL, + 0 ); + } + + return hBitmap; +} + +// ======================================================================= + +SalVirtualDevice* WinSalInstance::CreateVirtualDevice( SalGraphics* pSGraphics, + long nDX, long nDY, + USHORT nBitCount, + const SystemGraphicsData* pData ) +{ + WinSalGraphics* pGraphics = static_cast<WinSalGraphics*>(pSGraphics); + + HDC hDC = NULL; + HBITMAP hBmp = NULL; + BOOL bOk = FALSE; + + if( pData ) + { + hDC = pData->hDC; + hBmp = NULL; + bOk = (hDC != NULL); + } + else + { + hDC = CreateCompatibleDC( pGraphics->mhDC ); + if( !hDC ) + ImplWriteLastError( GetLastError(), "CreateCompatibleDC in CreateVirtualDevice" ); + + hBmp = ImplCreateVirDevBitmap( pGraphics->mhDC, + nDX, nDY, nBitCount ); + if( !hBmp ) + ImplWriteLastError( GetLastError(), "ImplCreateVirDevBitmap in CreateVirtualDevice" ); + // #124826# continue even if hBmp could not be created + // if we would return a failure in this case, the process + // would terminate which is not required + + DBG_ASSERT( hBmp, "WinSalInstance::CreateVirtualDevice(), could not create Bitmap!" ); + + bOk = (hDC != NULL); + } + + if ( bOk ) + { + WinSalVirtualDevice* pVDev = new WinSalVirtualDevice; + SalData* pSalData = GetSalData(); + WinSalGraphics* pVirGraphics = new WinSalGraphics; + pVirGraphics->SetLayout( 0 ); // by default no! mirroring for VirtualDevices, can be enabled with EnableRTL() + pVirGraphics->mhDC = hDC; + pVirGraphics->mhWnd = 0; + pVirGraphics->mbPrinter = FALSE; + pVirGraphics->mbVirDev = TRUE; + pVirGraphics->mbWindow = FALSE; + pVirGraphics->mbScreen = pGraphics->mbScreen; + if ( pSalData->mhDitherPal && pVirGraphics->mbScreen ) + { + pVirGraphics->mhDefPal = SelectPalette( hDC, pSalData->mhDitherPal, TRUE ); + RealizePalette( hDC ); + } + ImplSalInitGraphics( pVirGraphics ); + + pVDev->mhDC = hDC; + pVDev->mhBmp = hBmp; + if( hBmp ) + pVDev->mhDefBmp = SelectBitmap( hDC, hBmp ); + else + pVDev->mhDefBmp = NULL; + pVDev->mpGraphics = pVirGraphics; + pVDev->mnBitCount = nBitCount; + pVDev->mbGraphics = FALSE; + pVDev->mbForeignDC = (pData != NULL); + + // insert VirDev in VirDevList + pVDev->mpNext = pSalData->mpFirstVD; + pSalData->mpFirstVD = pVDev; + + return pVDev; + } + else + { + if ( hDC && !pData ) + DeleteDC( hDC ); + if ( hBmp ) + DeleteBitmap( hBmp ); + return NULL; + } +} + +// ----------------------------------------------------------------------- + +void WinSalInstance::DestroyVirtualDevice( SalVirtualDevice* pDevice ) +{ + delete pDevice; +} + +// ======================================================================= + +WinSalVirtualDevice::WinSalVirtualDevice() +{ + mhDC = (HDC) NULL; // HDC or 0 for Cache Device + mhBmp = (HBITMAP) NULL; // Memory Bitmap + mhDefBmp = (HBITMAP) NULL; // Default Bitmap + mpGraphics = NULL; // current VirDev graphics + mpNext = NULL; // next VirDev + mnBitCount = 0; // BitCount (0 or 1) + mbGraphics = FALSE; // is Graphics used + mbForeignDC = FALSE; // uses a foreign DC instead of a bitmap +} + +// ----------------------------------------------------------------------- + +WinSalVirtualDevice::~WinSalVirtualDevice() +{ + // remove VirDev from list of virtual devices + SalData* pSalData = GetSalData(); + WinSalVirtualDevice** ppVirDev = &pSalData->mpFirstVD; + for(; (*ppVirDev != this) && *ppVirDev; ppVirDev = &(*ppVirDev)->mpNext ); + if( *ppVirDev ) + *ppVirDev = mpNext; + + // destroy saved DC + if( mpGraphics->mhDefPal ) + SelectPalette( mpGraphics->mhDC, mpGraphics->mhDefPal, TRUE ); + ImplSalDeInitGraphics( mpGraphics ); + if( mhDefBmp ) + SelectBitmap( mpGraphics->mhDC, mhDefBmp ); + if( !mbForeignDC ) + DeleteDC( mpGraphics->mhDC ); + if( mhBmp ) + DeleteBitmap( mhBmp ); + delete mpGraphics; + mpGraphics = NULL; +} + +// ----------------------------------------------------------------------- + +SalGraphics* WinSalVirtualDevice::GetGraphics() +{ + if ( mbGraphics ) + return NULL; + + if ( mpGraphics ) + mbGraphics = TRUE; + + return mpGraphics; +} + +// ----------------------------------------------------------------------- + +void WinSalVirtualDevice::ReleaseGraphics( SalGraphics* ) +{ + mbGraphics = FALSE; +} + +// ----------------------------------------------------------------------- + +BOOL WinSalVirtualDevice::SetSize( long nDX, long nDY ) +{ + if( mbForeignDC || !mhBmp ) + return TRUE; // ??? + else + { + HBITMAP hNewBmp = ImplCreateVirDevBitmap( mhDC, nDX, nDY, + mnBitCount ); + if ( hNewBmp ) + { + SelectBitmap( mhDC, hNewBmp ); + DeleteBitmap( mhBmp ); + mhBmp = hNewBmp; + return TRUE; + } + else + { + ImplWriteLastError( GetLastError(), "ImplCreateVirDevBitmap in SetSize" ); + return FALSE; + } + } +} + +void WinSalVirtualDevice::GetSize( long& rWidth, long& rHeight ) +{ + rWidth = GetDeviceCaps( mhDC, HORZRES ); + rHeight= GetDeviceCaps( mhDC, VERTRES ); +} |