260 lines
9.1 KiB
C++
260 lines
9.1 KiB
C++
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2008 by Sun Microsystems, Inc.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: dx_canvas.cxx,v $
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* $Revision: 1.2 $
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_canvas.hxx"
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#include <ctype.h> // don't ask. msdev breaks otherwise...
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#include <canvas/debug.hxx>
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#include <canvas/verbosetrace.hxx>
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#include <canvas/canvastools.hxx>
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#include <tools/diagnose_ex.h>
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#include <osl/mutex.hxx>
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#include <com/sun/star/awt/XWindow.hpp>
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#include <com/sun/star/awt/XSystemDependentWindowPeer.hpp>
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#include <com/sun/star/registry/XRegistryKey.hpp>
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#include <com/sun/star/lang/XSingleServiceFactory.hpp>
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#include <com/sun/star/uno/XComponentContext.hpp>
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#include <com/sun/star/lang/NoSupportException.hpp>
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#include <toolkit/helper/vclunohelper.hxx>
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#include <cppuhelper/factory.hxx>
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#include <cppuhelper/implementationentry.hxx>
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#include <comphelper/servicedecl.hxx>
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#include <basegfx/matrix/b2dhommatrix.hxx>
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#include <basegfx/point/b2dpoint.hxx>
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#include <basegfx/tools/canvastools.hxx>
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#include <basegfx/numeric/ftools.hxx>
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#include "dx_graphicsprovider.hxx"
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#include "dx_winstuff.hxx"
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#include "dx_canvas.hxx"
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#include <vcl/sysdata.hxx>
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#define CANVAS_TECH "GDI+"
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#define CANVAS_SERVICE_NAME "com.sun.star.rendering.Canvas." CANVAS_TECH
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#define CANVAS_IMPLEMENTATION_NAME "com.sun.star.comp.rendering.Canvas." CANVAS_TECH
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#define BITMAPCANVAS_SERVICE_NAME "com.sun.star.rendering.BitmapCanvas." CANVAS_TECH
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#define BITMAPCANVAS_IMPLEMENTATION_NAME "com.sun.star.comp.rendering.BitmapCanvas." CANVAS_TECH
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using namespace ::com::sun::star;
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namespace dxcanvas
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{
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/// Actual canonical implementation of the GraphicsProvider interface
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class GraphicsProviderImpl : public GraphicsProvider
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{
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GraphicsSharedPtr mpGraphics;
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public:
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explicit GraphicsProviderImpl( Gdiplus::Graphics* pGraphics ) : mpGraphics( pGraphics ) {}
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virtual GraphicsSharedPtr getGraphics() { return mpGraphics; }
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};
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Canvas::Canvas( const uno::Sequence< uno::Any >& aArguments,
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const uno::Reference< uno::XComponentContext >& rxContext ) :
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maArguments(aArguments),
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mxComponentContext( rxContext )
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{
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}
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void Canvas::initialize()
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{
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// #i64742# Only perform initialization when not in probe mode
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if( maArguments.getLength() == 0 )
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return;
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VERBOSE_TRACE( "Canvas::initialize called" );
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// At index 1, we expect a HWND handle here, containing a
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// pointer to a valid window, on which to output
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// At index 2, we expect the current window bound rect
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ENSURE_ARG_OR_THROW( maArguments.getLength() >= 6 &&
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maArguments[5].getValueTypeClass() == uno::TypeClass_SEQUENCE,
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"SpriteCanvas::initialize: wrong number of arguments, or wrong types" );
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uno::Sequence<sal_Int8> aSeq;
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maArguments[5] >>= aSeq;
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const SystemGraphicsData* pSysData=reinterpret_cast<const SystemGraphicsData*>(aSeq.getConstArray());
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if( !pSysData || !pSysData->hDC )
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throw lang::NoSupportException(
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::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM(
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"Passed SystemGraphicsData or HDC invalid!")),
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NULL);
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// setup helper
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maDeviceHelper.init( pSysData->hDC,
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*this );
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maCanvasHelper.setDevice( *this );
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maCanvasHelper.setTarget(
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GraphicsProviderSharedPtr(
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new GraphicsProviderImpl(
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Gdiplus::Graphics::FromHDC(pSysData->hDC))));
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maArguments.realloc(0);
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}
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void SAL_CALL Canvas::disposing()
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{
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::osl::MutexGuard aGuard( m_aMutex );
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mxComponentContext.clear();
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// forward to parent
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CanvasBaseT::disposing();
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}
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::rtl::OUString SAL_CALL Canvas::getServiceName( ) throw (uno::RuntimeException)
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{
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return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( CANVAS_SERVICE_NAME ) );
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}
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BitmapCanvas::BitmapCanvas( const uno::Sequence< uno::Any >& aArguments,
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const uno::Reference< uno::XComponentContext >& rxContext ) :
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maArguments(aArguments),
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mxComponentContext( rxContext ),
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mpTarget()
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{
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}
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void BitmapCanvas::initialize()
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{
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// #i64742# Only perform initialization when not in probe mode
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if( maArguments.getLength() == 0 )
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return;
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VERBOSE_TRACE( "BitmapCanvas::initialize called" );
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// At index 1, we expect a HWND handle here, containing a
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// pointer to a valid window, on which to output
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// At index 2, we expect the current window bound rect
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ENSURE_ARG_OR_THROW( maArguments.getLength() >= 6 &&
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maArguments[5].getValueTypeClass() == uno::TypeClass_SEQUENCE,
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"SpriteCanvas::initialize: wrong number of arguments, or wrong types" );
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uno::Sequence<sal_Int8> aSeq;
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maArguments[5] >>= aSeq;
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const SystemGraphicsData* pSysData=reinterpret_cast<const SystemGraphicsData*>(aSeq.getConstArray());
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if( !pSysData || !pSysData->hDC )
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throw lang::NoSupportException(
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::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM(
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"Passed SystemGraphicsData or HDC invalid!")),
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NULL);
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// setup helper
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maDeviceHelper.init( pSysData->hDC,
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*this );
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maCanvasHelper.setDevice( *this );
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// check whether we can actually provide a BitmapCanvas
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// here. for this, check whether the HDC has a bitmap
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// selected.
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HBITMAP hBmp;
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if( !(hBmp=(HBITMAP)GetCurrentObject(pSysData->hDC,
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OBJ_BITMAP)) ||
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GetObjectType(pSysData->hDC) != OBJ_MEMDC )
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{
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throw lang::NoSupportException(
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::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM(
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"Passed HDC is no mem DC/has no bitmap selected!")),
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NULL);
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}
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mpTarget.reset( new DXBitmap(
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BitmapSharedPtr(
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Gdiplus::Bitmap::FromHBITMAP(
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hBmp, 0) ),
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false ));
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maCanvasHelper.setTarget( mpTarget );
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maArguments.realloc(0);
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}
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void SAL_CALL BitmapCanvas::disposing()
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{
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::osl::MutexGuard aGuard( m_aMutex );
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mpTarget.reset();
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mxComponentContext.clear();
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// forward to parent
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BitmapCanvasBaseT::disposing();
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}
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::rtl::OUString SAL_CALL BitmapCanvas::getServiceName( ) throw (uno::RuntimeException)
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{
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return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( BITMAPCANVAS_SERVICE_NAME ) );
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}
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IBitmapSharedPtr BitmapCanvas::getBitmap() const
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{
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return mpTarget;
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}
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static uno::Reference<uno::XInterface> initCanvas( Canvas* pCanvas )
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{
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uno::Reference<uno::XInterface> xRet(static_cast<cppu::OWeakObject*>(pCanvas));
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pCanvas->initialize();
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return xRet;
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}
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namespace sdecl = comphelper::service_decl;
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sdecl::class_<Canvas, sdecl::with_args<true> > serviceImpl1(&initCanvas);
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const sdecl::ServiceDecl dxCanvasDecl(
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serviceImpl1,
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CANVAS_IMPLEMENTATION_NAME,
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CANVAS_SERVICE_NAME );
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static uno::Reference<uno::XInterface> initBitmapCanvas( BitmapCanvas* pCanvas )
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{
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uno::Reference<uno::XInterface> xRet(static_cast<cppu::OWeakObject*>(pCanvas));
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pCanvas->initialize();
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return xRet;
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}
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namespace sdecl = comphelper::service_decl;
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sdecl::class_<BitmapCanvas, sdecl::with_args<true> > serviceImpl2(&initBitmapCanvas);
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const sdecl::ServiceDecl dxBitmapCanvasDecl(
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serviceImpl2,
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BITMAPCANVAS_IMPLEMENTATION_NAME,
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BITMAPCANVAS_SERVICE_NAME );
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}
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// The C shared lib entry points
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COMPHELPER_SERVICEDECL_EXPORTS2(dxcanvas::dxCanvasDecl,
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dxcanvas::dxBitmapCanvasDecl);
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