1 /************************************************************************* 2 * 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * Copyright 2000, 2010 Oracle and/or its affiliates. 6 * 7 * OpenOffice.org - a multi-platform office productivity suite 8 * 9 * This file is part of OpenOffice.org. 10 * 11 * OpenOffice.org is free software: you can redistribute it and/or modify 12 * it under the terms of the GNU Lesser General Public License version 3 13 * only, as published by the Free Software Foundation. 14 * 15 * OpenOffice.org is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU Lesser General Public License version 3 for more details 19 * (a copy is included in the LICENSE file that accompanied this code). 20 * 21 * You should have received a copy of the GNU Lesser General Public License 22 * version 3 along with OpenOffice.org. If not, see 23 * <http://www.openoffice.org/license.html> 24 * for a copy of the LGPLv3 License. 25 * 26 ************************************************************************/ 27 28 // MARKER(update_precomp.py): autogen include statement, do not remove 29 #include "precompiled_canvas.hxx" 30 31 #include <canvas/debug.hxx> 32 #include <canvas/base/cachedprimitivebase.hxx> 33 34 #include <com/sun/star/rendering/RepaintResult.hpp> 35 36 #include <basegfx/matrix/b2dhommatrix.hxx> 37 #include <basegfx/tools/canvastools.hxx> 38 39 40 using namespace ::com::sun::star; 41 42 #define IMPLEMENTATION_NAME "canvas::CachedPrimitiveBase" 43 #define SERVICE_NAME "com.sun.star.rendering.CachedBitmap" 44 45 namespace canvas 46 { 47 CachedPrimitiveBase::CachedPrimitiveBase( const rendering::ViewState& rUsedViewState, 48 const uno::Reference< rendering::XCanvas >& rTarget, 49 bool bFailForChangedViewTransform ) : 50 CachedPrimitiveBase_Base( m_aMutex ), 51 maUsedViewState( rUsedViewState ), 52 mxTarget( rTarget ), 53 mbFailForChangedViewTransform( bFailForChangedViewTransform ) 54 { 55 } 56 57 CachedPrimitiveBase::~CachedPrimitiveBase() 58 { 59 } 60 61 void SAL_CALL CachedPrimitiveBase::disposing() 62 { 63 ::osl::MutexGuard aGuard( m_aMutex ); 64 65 maUsedViewState.Clip.clear(); 66 mxTarget.clear(); 67 } 68 69 sal_Int8 SAL_CALL CachedPrimitiveBase::redraw( const rendering::ViewState& aState ) throw (lang::IllegalArgumentException, uno::RuntimeException) 70 { 71 ::basegfx::B2DHomMatrix aUsedTransformation; 72 ::basegfx::B2DHomMatrix aNewTransformation; 73 74 ::basegfx::unotools::homMatrixFromAffineMatrix( aUsedTransformation, 75 maUsedViewState.AffineTransform ); 76 ::basegfx::unotools::homMatrixFromAffineMatrix( aNewTransformation, 77 aState.AffineTransform ); 78 79 const bool bSameViewTransforms( aUsedTransformation == aNewTransformation ); 80 81 if( mbFailForChangedViewTransform && 82 !bSameViewTransforms ) 83 { 84 // differing transformations, don't try to draft the 85 // output, just plain fail here. 86 return rendering::RepaintResult::FAILED; 87 } 88 89 return doRedraw( aState, 90 maUsedViewState, 91 mxTarget, 92 bSameViewTransforms ); 93 } 94 95 ::rtl::OUString SAL_CALL CachedPrimitiveBase::getImplementationName( ) throw (uno::RuntimeException) 96 { 97 return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( IMPLEMENTATION_NAME ) ); 98 } 99 100 sal_Bool SAL_CALL CachedPrimitiveBase::supportsService( const ::rtl::OUString& ServiceName ) throw (uno::RuntimeException) 101 { 102 return ServiceName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM ( SERVICE_NAME ) ); 103 } 104 105 uno::Sequence< ::rtl::OUString > SAL_CALL CachedPrimitiveBase::getSupportedServiceNames( ) throw (uno::RuntimeException) 106 { 107 uno::Sequence< ::rtl::OUString > aRet(1); 108 aRet[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM ( SERVICE_NAME ) ); 109 110 return aRet; 111 } 112 } 113