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diff --git a/canvas/source/null/null_spritecanvas.cxx b/canvas/source/null/null_spritecanvas.cxx
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+++ b/canvas/source/null/null_spritecanvas.cxx
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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2008 by Sun Microsystems, Inc.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * $RCSfile: null_spritecanvas.cxx,v $
+ * $Revision: 1.7 $
+ *
+ * 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_canvas.hxx"
+
+#include <canvas/debug.hxx>
+#include <tools/diagnose_ex.h>
+#include <canvas/verbosetrace.hxx>
+#include <canvas/canvastools.hxx>
+
+#include <osl/mutex.hxx>
+
+#include <com/sun/star/registry/XRegistryKey.hpp>
+#include <com/sun/star/lang/XSingleServiceFactory.hpp>
+#include <com/sun/star/uno/XComponentContext.hpp>
+
+#include <cppuhelper/factory.hxx>
+#include <cppuhelper/implementationentry.hxx>
+#include <comphelper/servicedecl.hxx>
+
+#include <basegfx/matrix/b2dhommatrix.hxx>
+#include <basegfx/point/b2dpoint.hxx>
+#include <basegfx/tools/canvastools.hxx>
+#include <basegfx/numeric/ftools.hxx>
+
+#include "null_spritecanvas.hxx"
+
+
+using namespace ::com::sun::star;
+
+#define SERVICE_NAME "com.sun.star.rendering.NullCanvas"
+
+namespace nullcanvas
+{
+ SpriteCanvas::SpriteCanvas( const uno::Sequence< uno::Any >& aArguments,
+ const uno::Reference< uno::XComponentContext >& rxContext ) :
+ maArguments(aArguments),
+ mxComponentContext( rxContext )
+ {
+ }
+
+ void SpriteCanvas::initialize()
+ {
+ // #i64742# Only call initialize when not in probe mode
+ if( maArguments.getLength() == 0 )
+ return;
+
+ VERBOSE_TRACE( "SpriteCanvas::initialize called" );
+
+ // At index 1, we expect a system window handle here,
+ // containing a pointer to a valid window, on which to output
+ // At index 2, we expect the current window bound rect
+ ENSURE_ARG_OR_THROW( maArguments.getLength() >= 4 &&
+ maArguments[1].getValueTypeClass() == uno::TypeClass_LONG,
+ "SpriteCanvas::initialize: wrong number of arguments, or wrong types" );
+
+ awt::Rectangle aRect;
+ maArguments[2] >>= aRect;
+ const ::basegfx::B2ISize aSize(aRect.Width,
+ aRect.Height);
+
+ sal_Bool bIsFullscreen( sal_False );
+ maArguments[3] >>= bIsFullscreen;
+
+ // setup helper
+ maDeviceHelper.init( *this,
+ aSize,
+ bIsFullscreen );
+ maCanvasHelper.init( maRedrawManager,
+ *this,
+ aSize,
+ false );
+
+ maArguments.realloc(0);
+ }
+
+ void SAL_CALL SpriteCanvas::disposing()
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ mxComponentContext.clear();
+
+ // forward to parent
+ SpriteCanvasBaseT::disposing();
+ }
+
+ ::sal_Bool SAL_CALL SpriteCanvas::showBuffer( ::sal_Bool bUpdateAll ) throw (uno::RuntimeException)
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ // avoid repaints on hidden window (hidden: not mapped to
+ // screen). Return failure, since the screen really has _not_
+ // been updated (caller should try again later)
+ return !mbIsVisible ? false : SpriteCanvasBaseT::showBuffer( bUpdateAll );
+ }
+
+ ::sal_Bool SAL_CALL SpriteCanvas::switchBuffer( ::sal_Bool bUpdateAll ) throw (uno::RuntimeException)
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ // avoid repaints on hidden window (hidden: not mapped to
+ // screen). Return failure, since the screen really has _not_
+ // been updated (caller should try again later)
+ return !mbIsVisible ? false : SpriteCanvasBaseT::switchBuffer( bUpdateAll );
+ }
+
+ sal_Bool SAL_CALL SpriteCanvas::updateScreen( sal_Bool bUpdateAll ) throw (uno::RuntimeException)
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ // avoid repaints on hidden window (hidden: not mapped to
+ // screen). Return failure, since the screen really has _not_
+ // been updated (caller should try again later)
+ return !mbIsVisible ? false : maCanvasHelper.updateScreen(
+ ::basegfx::unotools::b2IRectangleFromAwtRectangle(maBounds),
+ bUpdateAll,
+ mbSurfaceDirty );
+ }
+
+ ::rtl::OUString SAL_CALL SpriteCanvas::getServiceName( ) throw (uno::RuntimeException)
+ {
+ return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( SERVICE_NAME ) );
+ }
+
+ static uno::Reference<uno::XInterface> initCanvas( SpriteCanvas* pCanvas )
+ {
+ uno::Reference<uno::XInterface> xRet(static_cast<cppu::OWeakObject*>(pCanvas));
+ pCanvas->initialize();
+ return xRet;
+ }
+
+ namespace sdecl = comphelper::service_decl;
+ sdecl::class_<SpriteCanvas, sdecl::with_args<true> > serviceImpl(&initCanvas);
+ const sdecl::ServiceDecl nullCanvasDecl(
+ serviceImpl,
+ "com.sun.star.comp.rendering.NullCanvas",
+ SERVICE_NAME );
+}
+
+// The C shared lib entry points
+COMPHELPER_SERVICEDECL_EXPORTS1(nullcanvas::nullCanvasDecl)