1364 lines
48 KiB
C++
1364 lines
48 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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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 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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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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#include <salhelper/timer.hxx>
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#include <svtools/grfmgr.hxx>
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#include <tools/debug.hxx>
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#include <vcl/metaact.hxx>
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#include <vcl/outdev.hxx>
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#include <tools/poly.hxx>
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#include <rtl/strbuf.hxx>
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#include "grfcache.hxx"
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#include <memory>
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// -----------
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// - Defines -
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// -----------
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#define RELEASE_TIMEOUT 10000
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#define MAX_BMP_EXTENT 4096
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// -----------
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// - statics -
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// -----------
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static const char aHexData[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
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// -------------
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// - GraphicID -
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// -------------
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class GraphicID
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{
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private:
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sal_uInt32 mnID1;
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sal_uInt32 mnID2;
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sal_uInt32 mnID3;
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sal_uInt32 mnID4;
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GraphicID();
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public:
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GraphicID( const GraphicObject& rObj );
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~GraphicID() {}
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sal_Bool operator==( const GraphicID& rID ) const
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{
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return( rID.mnID1 == mnID1 && rID.mnID2 == mnID2 &&
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rID.mnID3 == mnID3 && rID.mnID4 == mnID4 );
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}
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rtl::OString GetIDString() const;
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sal_Bool IsEmpty() const { return( 0 == mnID4 ); }
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};
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// -----------------------------------------------------------------------------
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GraphicID::GraphicID( const GraphicObject& rObj )
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{
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const Graphic& rGraphic = rObj.GetGraphic();
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mnID1 = ( (sal_uLong) rGraphic.GetType() ) << 28;
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switch( rGraphic.GetType() )
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{
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case( GRAPHIC_BITMAP ):
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{
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if( rGraphic.IsAnimated() )
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{
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const Animation aAnimation( rGraphic.GetAnimation() );
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mnID1 |= ( aAnimation.Count() & 0x0fffffff );
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mnID2 = aAnimation.GetDisplaySizePixel().Width();
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mnID3 = aAnimation.GetDisplaySizePixel().Height();
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mnID4 = rGraphic.GetChecksum();
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}
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else
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{
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const BitmapEx aBmpEx( rGraphic.GetBitmapEx() );
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mnID1 |= ( ( ( (sal_uLong) aBmpEx.GetTransparentType() << 8 ) | ( aBmpEx.IsAlpha() ? 1 : 0 ) ) & 0x0fffffff );
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mnID2 = aBmpEx.GetSizePixel().Width();
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mnID3 = aBmpEx.GetSizePixel().Height();
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mnID4 = rGraphic.GetChecksum();
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}
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}
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break;
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case( GRAPHIC_GDIMETAFILE ):
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{
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const GDIMetaFile& rMtf = rGraphic.GetGDIMetaFile();
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mnID1 |= ( rMtf.GetActionSize() & 0x0fffffff );
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mnID2 = rMtf.GetPrefSize().Width();
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mnID3 = rMtf.GetPrefSize().Height();
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mnID4 = rGraphic.GetChecksum();
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}
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break;
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default:
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mnID2 = mnID3 = mnID4 = 0;
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break;
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}
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}
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// -----------------------------------------------------------------------------
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rtl::OString GraphicID::GetIDString() const
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{
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rtl::OStringBuffer aHexStr;
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sal_Int32 nShift, nIndex = 0;
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aHexStr.setLength(32);
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for( nShift = 28; nShift >= 0; nShift -= 4 )
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aHexStr[nIndex++] = aHexData[ ( mnID1 >> (sal_uInt32) nShift ) & 0xf ];
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for( nShift = 28; nShift >= 0; nShift -= 4 )
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aHexStr[nIndex++] = aHexData[ ( mnID2 >> (sal_uInt32) nShift ) & 0xf ];
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for( nShift = 28; nShift >= 0; nShift -= 4 )
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aHexStr[nIndex++] = aHexData[ ( mnID3 >> (sal_uInt32) nShift ) & 0xf ];
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for( nShift = 28; nShift >= 0; nShift -= 4 )
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aHexStr[nIndex++] = aHexData[ ( mnID4 >> (sal_uInt32) nShift ) & 0xf ];
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return aHexStr.makeStringAndClear();
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}
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// ---------------------
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// - GraphicCacheEntry -
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// ---------------------
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class GraphicCacheEntry
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{
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private:
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GraphicObjectList_impl maGraphicObjectList;
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GraphicID maID;
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GfxLink maGfxLink;
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BitmapEx* mpBmpEx;
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GDIMetaFile* mpMtf;
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Animation* mpAnimation;
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bool mbSwappedAll;
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bool ImplInit( const GraphicObject& rObj );
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void ImplFillSubstitute( Graphic& rSubstitute );
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public:
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GraphicCacheEntry( const GraphicObject& rObj );
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~GraphicCacheEntry();
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const GraphicID& GetID() const { return maID; }
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void AddGraphicObjectReference( const GraphicObject& rObj, Graphic& rSubstitute );
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bool ReleaseGraphicObjectReference( const GraphicObject& rObj );
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size_t GetGraphicObjectReferenceCount() { return maGraphicObjectList.size(); }
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bool HasGraphicObjectReference( const GraphicObject& rObj );
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void TryToSwapIn();
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void GraphicObjectWasSwappedOut( const GraphicObject& rObj );
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bool FillSwappedGraphicObject( const GraphicObject& rObj, Graphic& rSubstitute );
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void GraphicObjectWasSwappedIn( const GraphicObject& rObj );
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};
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// -----------------------------------------------------------------------------
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GraphicCacheEntry::GraphicCacheEntry( const GraphicObject& rObj ) :
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maID ( rObj ),
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mpBmpEx ( NULL ),
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mpMtf ( NULL ),
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mpAnimation ( NULL ),
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mbSwappedAll ( !ImplInit( rObj ) )
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{
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maGraphicObjectList.push_back( (GraphicObject*)&rObj );
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}
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// -----------------------------------------------------------------------------
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GraphicCacheEntry::~GraphicCacheEntry()
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{
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DBG_ASSERT(
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maGraphicObjectList.empty(),
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"GraphicCacheEntry::~GraphicCacheEntry(): Not all GraphicObjects are removed from this entry"
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);
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delete mpBmpEx;
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delete mpMtf;
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delete mpAnimation;
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}
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// -----------------------------------------------------------------------------
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bool GraphicCacheEntry::ImplInit( const GraphicObject& rObj )
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{
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bool bRet = false;
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if( !rObj.IsSwappedOut() )
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{
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const Graphic& rGraphic = rObj.GetGraphic();
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if( mpBmpEx )
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delete mpBmpEx, mpBmpEx = NULL;
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if( mpMtf )
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delete mpMtf, mpMtf = NULL;
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if( mpAnimation )
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delete mpAnimation, mpAnimation = NULL;
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switch( rGraphic.GetType() )
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{
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case( GRAPHIC_BITMAP ):
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{
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if( rGraphic.IsAnimated() )
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mpAnimation = new Animation( rGraphic.GetAnimation() );
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else
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mpBmpEx = new BitmapEx( rGraphic.GetBitmapEx() );
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}
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break;
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case( GRAPHIC_GDIMETAFILE ):
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{
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mpMtf = new GDIMetaFile( rGraphic.GetGDIMetaFile() );
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}
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break;
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default:
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DBG_ASSERT( GetID().IsEmpty(), "GraphicCacheEntry::ImplInit: Could not initialize graphic! (=>KA)" );
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break;
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}
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if( rGraphic.IsLink() )
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maGfxLink = ( (Graphic&) rGraphic ).GetLink();
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else
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maGfxLink = GfxLink();
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bRet = true;
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}
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return bRet;
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}
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// -----------------------------------------------------------------------------
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void GraphicCacheEntry::ImplFillSubstitute( Graphic& rSubstitute )
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{
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// create substitute for graphic;
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const Size aPrefSize( rSubstitute.GetPrefSize() );
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const MapMode aPrefMapMode( rSubstitute.GetPrefMapMode() );
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const Link aAnimationNotifyHdl( rSubstitute.GetAnimationNotifyHdl() );
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const String aDocFileName( rSubstitute.GetDocFileName() );
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const sal_uLong nDocFilePos = rSubstitute.GetDocFilePos();
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const GraphicType eOldType = rSubstitute.GetType();
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const bool bDefaultType = ( rSubstitute.GetType() == GRAPHIC_DEFAULT );
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if( rSubstitute.IsLink() && ( GFX_LINK_TYPE_NONE == maGfxLink.GetType() ) )
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maGfxLink = rSubstitute.GetLink();
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if( mpBmpEx )
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rSubstitute = *mpBmpEx;
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else if( mpAnimation )
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rSubstitute = *mpAnimation;
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else if( mpMtf )
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rSubstitute = *mpMtf;
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else
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rSubstitute.Clear();
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if( eOldType != GRAPHIC_NONE )
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{
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rSubstitute.SetPrefSize( aPrefSize );
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rSubstitute.SetPrefMapMode( aPrefMapMode );
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rSubstitute.SetAnimationNotifyHdl( aAnimationNotifyHdl );
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rSubstitute.SetDocFileName( aDocFileName, nDocFilePos );
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}
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if( GFX_LINK_TYPE_NONE != maGfxLink.GetType() )
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rSubstitute.SetLink( maGfxLink );
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if( bDefaultType )
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rSubstitute.SetDefaultType();
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}
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// -----------------------------------------------------------------------------
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void GraphicCacheEntry::AddGraphicObjectReference( const GraphicObject& rObj, Graphic& rSubstitute )
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{
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if( mbSwappedAll )
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mbSwappedAll = !ImplInit( rObj );
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ImplFillSubstitute( rSubstitute );
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maGraphicObjectList.push_back( (GraphicObject*) &rObj );
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}
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// -----------------------------------------------------------------------------
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bool GraphicCacheEntry::ReleaseGraphicObjectReference( const GraphicObject& rObj )
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{
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for(
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GraphicObjectList_impl::iterator it = maGraphicObjectList.begin();
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it != maGraphicObjectList.end();
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++it
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) {
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if( &rObj == *it )
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{
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maGraphicObjectList.erase( it );
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return true;
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}
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}
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return false;
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}
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// -----------------------------------------------------------------------------
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bool GraphicCacheEntry::HasGraphicObjectReference( const GraphicObject& rObj )
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{
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bool bRet = false;
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for( size_t i = 0, n = maGraphicObjectList.size(); ( i < n ) && !bRet; ++i )
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if( &rObj == maGraphicObjectList[ i ] )
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bRet = true;
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return bRet;
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}
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// -----------------------------------------------------------------------------
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void GraphicCacheEntry::TryToSwapIn()
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{
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if( mbSwappedAll && !maGraphicObjectList.empty() )
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maGraphicObjectList.front()->FireSwapInRequest();
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}
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// -----------------------------------------------------------------------------
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void GraphicCacheEntry::GraphicObjectWasSwappedOut( const GraphicObject& /*rObj*/ )
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{
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mbSwappedAll = true;
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for( size_t i = 0, n = maGraphicObjectList.size(); ( i < n ) && mbSwappedAll; ++i )
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if( !maGraphicObjectList[ i ]->IsSwappedOut() )
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mbSwappedAll = false;
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if( mbSwappedAll )
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{
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delete mpBmpEx, mpBmpEx = NULL;
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mpMtf = NULL; // No need to delete it as it has already been dereferenced
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delete mpAnimation, mpAnimation = NULL;
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}
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}
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// -----------------------------------------------------------------------------
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bool GraphicCacheEntry::FillSwappedGraphicObject( const GraphicObject& rObj, Graphic& rSubstitute )
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{
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bool bRet = false;
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if( !mbSwappedAll && rObj.IsSwappedOut() )
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{
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ImplFillSubstitute( rSubstitute );
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bRet = true;
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}
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return bRet;
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}
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// -----------------------------------------------------------------------------
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void GraphicCacheEntry::GraphicObjectWasSwappedIn( const GraphicObject& rObj )
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{
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if( mbSwappedAll )
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mbSwappedAll = !ImplInit( rObj );
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}
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// ----------------------------
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// - GraphicDisplayCacheEntry -
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// ----------------------------
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class GraphicDisplayCacheEntry
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{
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private:
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::salhelper::TTimeValue maReleaseTime;
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const GraphicCacheEntry* mpRefCacheEntry;
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GDIMetaFile* mpMtf;
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BitmapEx* mpBmpEx;
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GraphicAttr maAttr;
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Size maOutSizePix;
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sal_uLong mnCacheSize;
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sal_uLong mnOutDevDrawMode;
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sal_uInt16 mnOutDevBitCount;
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static bool IsCacheableAsBitmap( const GDIMetaFile& rMtf, OutputDevice* pOut, const Size& rSz );
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public:
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static sal_uLong GetNeededSize( OutputDevice* pOut, const Point& rPt, const Size& rSz,
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const GraphicObject& rObj, const GraphicAttr& rAttr );
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public:
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GraphicDisplayCacheEntry( const GraphicCacheEntry* pRefCacheEntry,
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OutputDevice* pOut, const Point& rPt, const Size& rSz,
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const GraphicObject& rObj, const GraphicAttr& rAttr,
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const BitmapEx& rBmpEx ) :
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mpRefCacheEntry( pRefCacheEntry ),
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mpMtf( NULL ), mpBmpEx( new BitmapEx( rBmpEx ) ),
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maAttr( rAttr ), maOutSizePix( pOut->LogicToPixel( rSz ) ),
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mnCacheSize( GetNeededSize( pOut, rPt, rSz, rObj, rAttr ) ),
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mnOutDevDrawMode( pOut->GetDrawMode() ),
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mnOutDevBitCount( pOut->GetBitCount() )
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{
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}
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GraphicDisplayCacheEntry( const GraphicCacheEntry* pRefCacheEntry,
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OutputDevice* pOut, const Point& rPt, const Size& rSz,
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const GraphicObject& rObj, const GraphicAttr& rAttr,
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const GDIMetaFile& rMtf ) :
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mpRefCacheEntry( pRefCacheEntry ),
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mpMtf( new GDIMetaFile( rMtf ) ), mpBmpEx( NULL ),
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maAttr( rAttr ), maOutSizePix( pOut->LogicToPixel( rSz ) ),
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mnCacheSize( GetNeededSize( pOut, rPt, rSz, rObj, rAttr ) ),
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mnOutDevDrawMode( pOut->GetDrawMode() ),
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mnOutDevBitCount( pOut->GetBitCount() )
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{
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}
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~GraphicDisplayCacheEntry();
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const GraphicAttr& GetAttr() const { return maAttr; }
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const Size& GetOutputSizePixel() const { return maOutSizePix; }
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sal_uLong GetCacheSize() const { return mnCacheSize; }
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const GraphicCacheEntry* GetReferencedCacheEntry() const { return mpRefCacheEntry; }
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sal_uLong GetOutDevDrawMode() const { return mnOutDevDrawMode; }
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sal_uInt16 GetOutDevBitCount() const { return mnOutDevBitCount; }
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void SetReleaseTime( const ::salhelper::TTimeValue& rReleaseTime ) { maReleaseTime = rReleaseTime; }
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const ::salhelper::TTimeValue& GetReleaseTime() const { return maReleaseTime; }
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sal_Bool Matches( OutputDevice* pOut, const Point& /*rPtPixel*/, const Size& rSzPixel,
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const GraphicCacheEntry* pCacheEntry, const GraphicAttr& rAttr ) const
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{
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// #i46805# Additional match
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// criteria: outdev draw mode and
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// bit count. One cannot reuse
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// this cache object, if it's
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// e.g. generated for
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// DRAWMODE_GRAYBITMAP.
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return( ( pCacheEntry == mpRefCacheEntry ) &&
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( maAttr == rAttr ) &&
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( ( maOutSizePix == rSzPixel ) || ( !maOutSizePix.Width() && !maOutSizePix.Height() ) ) &&
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( pOut->GetBitCount() == mnOutDevBitCount ) &&
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( pOut->GetDrawMode() == mnOutDevDrawMode ) );
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}
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void Draw( OutputDevice* pOut, const Point& rPt, const Size& rSz ) const;
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};
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// -----------------------------------------------------------------------------
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// This whole function is based on checkMetadataBitmap() from grfmgr2.cxx, see that one for details.
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// If you do changes here, change the original function too.
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static void checkMetadataBitmap( const BitmapEx& rBmpEx,
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Point /*rSrcPoint*/,
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Size rSrcSize,
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const Point& rDestPoint,
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const Size& rDestSize,
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const Size& rRefSize,
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bool& o_rbNonBitmapActionEncountered )
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{
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if( rSrcSize == Size())
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rSrcSize = rBmpEx.GetSizePixel();
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if( rDestPoint != Point( 0, 0 ))
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{
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o_rbNonBitmapActionEncountered = true;
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return;
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}
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if( rDestSize != rRefSize )
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{ if( rBmpEx.GetSizePixel().Width() > 100 && rBmpEx.GetSizePixel().Height() > 100
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&& abs( rDestSize.Width() - rRefSize.Width()) < 5
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&& abs( rDestSize.Height() - rRefSize.Height()) < 5 )
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; // ok, assume it's close enough
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else
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{ // fall back to mtf rendering
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o_rbNonBitmapActionEncountered = true;
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return;
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}
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}
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}
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|
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// This function is based on GraphicManager::ImplCreateOutput(), in fact it mostly copies
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|
// it, the difference is that this one does not create anything, it only checks if
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|
// ImplCreateOutput() would use the optimization of using the single bitmap.
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|
// If you do changes here, change the original function too.
|
|
bool GraphicDisplayCacheEntry::IsCacheableAsBitmap( const GDIMetaFile& rMtf,
|
|
OutputDevice* pOut, const Size& rSz )
|
|
{
|
|
const Size aNewSize( rMtf.GetPrefSize() );
|
|
GDIMetaFile rOutMtf = rMtf;
|
|
|
|
// Count bitmap actions, and flag actions that paint, but
|
|
// are no bitmaps.
|
|
sal_Int32 nNumBitmaps(0);
|
|
bool bNonBitmapActionEncountered(false);
|
|
if( aNewSize.Width() && aNewSize.Height() && rSz.Width() && rSz.Height() )
|
|
{
|
|
const MapMode rPrefMapMode( rMtf.GetPrefMapMode() );
|
|
const Size rSizePix( pOut->LogicToPixel( aNewSize, rPrefMapMode ) );
|
|
|
|
sal_uInt32 nCurPos;
|
|
MetaAction* pAct;
|
|
for( nCurPos = 0, pAct = (MetaAction*)rOutMtf.FirstAction(); pAct;
|
|
pAct = (MetaAction*)rOutMtf.NextAction(), nCurPos++ )
|
|
{
|
|
switch( pAct->GetType() )
|
|
{
|
|
case META_FONT_ACTION:
|
|
// FALLTHROUGH intended
|
|
case META_NULL_ACTION:
|
|
// FALLTHROUGH intended
|
|
|
|
// OutDev state changes (which don't affect bitmap
|
|
// output)
|
|
case META_LINECOLOR_ACTION:
|
|
// FALLTHROUGH intended
|
|
case META_FILLCOLOR_ACTION:
|
|
// FALLTHROUGH intended
|
|
case META_TEXTCOLOR_ACTION:
|
|
// FALLTHROUGH intended
|
|
case META_TEXTFILLCOLOR_ACTION:
|
|
// FALLTHROUGH intended
|
|
case META_TEXTALIGN_ACTION:
|
|
// FALLTHROUGH intended
|
|
case META_TEXTLINECOLOR_ACTION:
|
|
// FALLTHROUGH intended
|
|
case META_TEXTLINE_ACTION:
|
|
// FALLTHROUGH intended
|
|
case META_PUSH_ACTION:
|
|
// FALLTHROUGH intended
|
|
case META_POP_ACTION:
|
|
// FALLTHROUGH intended
|
|
case META_LAYOUTMODE_ACTION:
|
|
// FALLTHROUGH intended
|
|
case META_TEXTLANGUAGE_ACTION:
|
|
// FALLTHROUGH intended
|
|
case META_COMMENT_ACTION:
|
|
break;
|
|
|
|
// bitmap output methods
|
|
case META_BMP_ACTION:
|
|
if( !nNumBitmaps && !bNonBitmapActionEncountered )
|
|
{
|
|
MetaBmpAction* pAction = (MetaBmpAction*)pAct;
|
|
|
|
checkMetadataBitmap(
|
|
BitmapEx( pAction->GetBitmap()),
|
|
Point(), Size(),
|
|
pOut->LogicToPixel( pAction->GetPoint(),
|
|
rPrefMapMode ),
|
|
pAction->GetBitmap().GetSizePixel(),
|
|
rSizePix,
|
|
bNonBitmapActionEncountered );
|
|
}
|
|
++nNumBitmaps;
|
|
break;
|
|
|
|
case META_BMPSCALE_ACTION:
|
|
if( !nNumBitmaps && !bNonBitmapActionEncountered )
|
|
{
|
|
MetaBmpScaleAction* pAction = (MetaBmpScaleAction*)pAct;
|
|
|
|
checkMetadataBitmap(
|
|
BitmapEx( pAction->GetBitmap()),
|
|
Point(), Size(),
|
|
pOut->LogicToPixel( pAction->GetPoint(),
|
|
rPrefMapMode ),
|
|
pOut->LogicToPixel( pAction->GetSize(),
|
|
rPrefMapMode ),
|
|
rSizePix,
|
|
bNonBitmapActionEncountered );
|
|
}
|
|
++nNumBitmaps;
|
|
break;
|
|
|
|
case META_BMPSCALEPART_ACTION:
|
|
if( !nNumBitmaps && !bNonBitmapActionEncountered )
|
|
{
|
|
MetaBmpScalePartAction* pAction = (MetaBmpScalePartAction*)pAct;
|
|
|
|
checkMetadataBitmap( BitmapEx( pAction->GetBitmap() ),
|
|
pAction->GetSrcPoint(),
|
|
pAction->GetSrcSize(),
|
|
pOut->LogicToPixel( pAction->GetDestPoint(),
|
|
rPrefMapMode ),
|
|
pOut->LogicToPixel( pAction->GetDestSize(),
|
|
rPrefMapMode ),
|
|
rSizePix,
|
|
bNonBitmapActionEncountered );
|
|
}
|
|
++nNumBitmaps;
|
|
break;
|
|
|
|
case META_BMPEX_ACTION:
|
|
if( !nNumBitmaps && !bNonBitmapActionEncountered )
|
|
{
|
|
MetaBmpExAction* pAction = (MetaBmpExAction*)pAct;
|
|
|
|
checkMetadataBitmap(
|
|
pAction->GetBitmapEx(),
|
|
Point(), Size(),
|
|
pOut->LogicToPixel( pAction->GetPoint(),
|
|
rPrefMapMode ),
|
|
pAction->GetBitmapEx().GetSizePixel(),
|
|
rSizePix,
|
|
bNonBitmapActionEncountered );
|
|
}
|
|
++nNumBitmaps;
|
|
break;
|
|
|
|
case META_BMPEXSCALE_ACTION:
|
|
if( !nNumBitmaps && !bNonBitmapActionEncountered )
|
|
{
|
|
MetaBmpExScaleAction* pAction = (MetaBmpExScaleAction*)pAct;
|
|
|
|
checkMetadataBitmap(
|
|
pAction->GetBitmapEx(),
|
|
Point(), Size(),
|
|
pOut->LogicToPixel( pAction->GetPoint(),
|
|
rPrefMapMode ),
|
|
pOut->LogicToPixel( pAction->GetSize(),
|
|
rPrefMapMode ),
|
|
rSizePix,
|
|
bNonBitmapActionEncountered );
|
|
}
|
|
++nNumBitmaps;
|
|
break;
|
|
|
|
case META_BMPEXSCALEPART_ACTION:
|
|
if( !nNumBitmaps && !bNonBitmapActionEncountered )
|
|
{
|
|
MetaBmpExScalePartAction* pAction = (MetaBmpExScalePartAction*)pAct;
|
|
|
|
checkMetadataBitmap( pAction->GetBitmapEx(),
|
|
pAction->GetSrcPoint(),
|
|
pAction->GetSrcSize(),
|
|
pOut->LogicToPixel( pAction->GetDestPoint(),
|
|
rPrefMapMode ),
|
|
pOut->LogicToPixel( pAction->GetDestSize(),
|
|
rPrefMapMode ),
|
|
rSizePix,
|
|
bNonBitmapActionEncountered );
|
|
}
|
|
++nNumBitmaps;
|
|
break;
|
|
|
|
// these actions actually output something (that's
|
|
// different from a bitmap)
|
|
case META_RASTEROP_ACTION:
|
|
if( ((MetaRasterOpAction*)pAct)->GetRasterOp() == ROP_OVERPAINT )
|
|
break;
|
|
// FALLTHROUGH intended
|
|
case META_PIXEL_ACTION:
|
|
// FALLTHROUGH intended
|
|
case META_POINT_ACTION:
|
|
// FALLTHROUGH intended
|
|
case META_LINE_ACTION:
|
|
// FALLTHROUGH intended
|
|
case META_RECT_ACTION:
|
|
// FALLTHROUGH intended
|
|
case META_ROUNDRECT_ACTION:
|
|
// FALLTHROUGH intended
|
|
case META_ELLIPSE_ACTION:
|
|
// FALLTHROUGH intended
|
|
case META_ARC_ACTION:
|
|
// FALLTHROUGH intended
|
|
case META_PIE_ACTION:
|
|
// FALLTHROUGH intended
|
|
case META_CHORD_ACTION:
|
|
// FALLTHROUGH intended
|
|
case META_POLYLINE_ACTION:
|
|
// FALLTHROUGH intended
|
|
case META_POLYGON_ACTION:
|
|
// FALLTHROUGH intended
|
|
case META_POLYPOLYGON_ACTION:
|
|
// FALLTHROUGH intended
|
|
|
|
case META_TEXT_ACTION:
|
|
// FALLTHROUGH intended
|
|
case META_TEXTARRAY_ACTION:
|
|
// FALLTHROUGH intended
|
|
case META_STRETCHTEXT_ACTION:
|
|
// FALLTHROUGH intended
|
|
case META_TEXTRECT_ACTION:
|
|
// FALLTHROUGH intended
|
|
|
|
case META_MASK_ACTION:
|
|
// FALLTHROUGH intended
|
|
case META_MASKSCALE_ACTION:
|
|
// FALLTHROUGH intended
|
|
case META_MASKSCALEPART_ACTION:
|
|
// FALLTHROUGH intended
|
|
|
|
case META_GRADIENT_ACTION:
|
|
// FALLTHROUGH intended
|
|
case META_HATCH_ACTION:
|
|
// FALLTHROUGH intended
|
|
case META_WALLPAPER_ACTION:
|
|
// FALLTHROUGH intended
|
|
|
|
case META_TRANSPARENT_ACTION:
|
|
// FALLTHROUGH intended
|
|
case META_EPS_ACTION:
|
|
// FALLTHROUGH intended
|
|
case META_FLOATTRANSPARENT_ACTION:
|
|
// FALLTHROUGH intended
|
|
case META_GRADIENTEX_ACTION:
|
|
// FALLTHROUGH intended
|
|
case META_RENDERGRAPHIC_ACTION:
|
|
// FALLTHROUGH intended
|
|
|
|
// OutDev state changes that _do_ affect bitmap
|
|
// output
|
|
case META_CLIPREGION_ACTION:
|
|
// FALLTHROUGH intended
|
|
case META_ISECTRECTCLIPREGION_ACTION:
|
|
// FALLTHROUGH intended
|
|
case META_ISECTREGIONCLIPREGION_ACTION:
|
|
// FALLTHROUGH intended
|
|
case META_MOVECLIPREGION_ACTION:
|
|
// FALLTHROUGH intended
|
|
|
|
case META_MAPMODE_ACTION:
|
|
// FALLTHROUGH intended
|
|
case META_REFPOINT_ACTION:
|
|
// FALLTHROUGH intended
|
|
default:
|
|
bNonBitmapActionEncountered = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return nNumBitmaps == 1 && !bNonBitmapActionEncountered;
|
|
}
|
|
|
|
sal_uLong GraphicDisplayCacheEntry::GetNeededSize( OutputDevice* pOut, const Point& /*rPt*/, const Size& rSz,
|
|
const GraphicObject& rObj, const GraphicAttr& rAttr )
|
|
{
|
|
const Graphic& rGraphic = rObj.GetGraphic();
|
|
const GraphicType eType = rGraphic.GetType();
|
|
|
|
bool canCacheAsBitmap = false;
|
|
if( GRAPHIC_BITMAP == eType )
|
|
canCacheAsBitmap = true;
|
|
else if( GRAPHIC_GDIMETAFILE == eType )
|
|
canCacheAsBitmap = IsCacheableAsBitmap( rGraphic.GetGDIMetaFile(), pOut, rSz );
|
|
else
|
|
return 0;
|
|
if( canCacheAsBitmap )
|
|
{
|
|
const Size aOutSizePix( pOut->LogicToPixel( rSz ) );
|
|
const long nBitCount = pOut->GetBitCount();
|
|
|
|
if( ( aOutSizePix.Width() > MAX_BMP_EXTENT ) ||
|
|
( aOutSizePix.Height() > MAX_BMP_EXTENT ) )
|
|
{
|
|
return ULONG_MAX;
|
|
}
|
|
else if( nBitCount )
|
|
{
|
|
sal_uLong nNeededSize = aOutSizePix.Width() * aOutSizePix.Height() * nBitCount / 8;
|
|
if( rObj.IsTransparent() || ( rAttr.GetRotation() % 3600 ) )
|
|
nNeededSize += nNeededSize / nBitCount;
|
|
return nNeededSize;
|
|
}
|
|
else
|
|
{
|
|
OSL_FAIL( "GraphicDisplayCacheEntry::GetNeededSize(): pOut->GetBitCount() == 0" );
|
|
return 256000;
|
|
}
|
|
}
|
|
else
|
|
return rGraphic.GetSizeBytes();
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------
|
|
|
|
GraphicDisplayCacheEntry::~GraphicDisplayCacheEntry()
|
|
{
|
|
if( mpMtf )
|
|
delete mpMtf;
|
|
|
|
if( mpBmpEx )
|
|
delete mpBmpEx;
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------
|
|
|
|
void GraphicDisplayCacheEntry::Draw( OutputDevice* pOut, const Point& rPt, const Size& rSz ) const
|
|
{
|
|
if( mpMtf )
|
|
GraphicManager::ImplDraw( pOut, rPt, rSz, *mpMtf, maAttr );
|
|
else if( mpBmpEx )
|
|
{
|
|
if( maAttr.IsRotated() )
|
|
{
|
|
Polygon aPoly( Rectangle( rPt, rSz ) );
|
|
|
|
aPoly.Rotate( rPt, maAttr.GetRotation() % 3600 );
|
|
const Rectangle aRotBoundRect( aPoly.GetBoundRect() );
|
|
pOut->DrawBitmapEx( aRotBoundRect.TopLeft(), aRotBoundRect.GetSize(), *mpBmpEx );
|
|
}
|
|
else
|
|
pOut->DrawBitmapEx( rPt, rSz, *mpBmpEx );
|
|
}
|
|
}
|
|
|
|
// -----------------------
|
|
// - GraphicCache -
|
|
// -----------------------
|
|
|
|
GraphicCache::GraphicCache( sal_uLong nDisplayCacheSize, sal_uLong nMaxObjDisplayCacheSize ) :
|
|
mnReleaseTimeoutSeconds ( 0UL ),
|
|
mnMaxDisplaySize ( nDisplayCacheSize ),
|
|
mnMaxObjDisplaySize ( nMaxObjDisplayCacheSize ),
|
|
mnUsedDisplaySize ( 0UL )
|
|
{
|
|
maReleaseTimer.SetTimeoutHdl( LINK( this, GraphicCache, ReleaseTimeoutHdl ) );
|
|
maReleaseTimer.SetTimeout( RELEASE_TIMEOUT );
|
|
maReleaseTimer.Start();
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------
|
|
|
|
GraphicCache::~GraphicCache()
|
|
{
|
|
DBG_ASSERT( !maGraphicCache.size(), "GraphicCache::~GraphicCache(): there are some GraphicObjects in cache" );
|
|
DBG_ASSERT( maDisplayCache.empty(), "GraphicCache::~GraphicCache(): there are some GraphicObjects in display cache" );
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------
|
|
|
|
void GraphicCache::AddGraphicObject(
|
|
const GraphicObject& rObj,
|
|
Graphic& rSubstitute,
|
|
const rtl::OString* pID,
|
|
const GraphicObject* pCopyObj
|
|
)
|
|
{
|
|
sal_Bool bInserted = sal_False;
|
|
|
|
if( !rObj.IsSwappedOut()
|
|
&& ( pID
|
|
|| ( pCopyObj
|
|
&& ( pCopyObj->GetType() != GRAPHIC_NONE )
|
|
)
|
|
|| ( rObj.GetType() != GRAPHIC_NONE )
|
|
)
|
|
)
|
|
{
|
|
if( pCopyObj
|
|
&& !maGraphicCache.empty()
|
|
)
|
|
{
|
|
GraphicCacheEntryList::iterator it = maGraphicCache.begin();
|
|
while( !bInserted
|
|
&& ( it != maGraphicCache.end() )
|
|
)
|
|
{
|
|
if( (*it)->HasGraphicObjectReference( *pCopyObj ) )
|
|
{
|
|
(*it)->AddGraphicObjectReference( rObj, rSubstitute );
|
|
bInserted = sal_True;
|
|
}
|
|
else
|
|
{
|
|
++it;
|
|
}
|
|
}
|
|
}
|
|
|
|
if( !bInserted )
|
|
{
|
|
GraphicCacheEntryList::iterator it = maGraphicCache.begin();
|
|
::std::auto_ptr< GraphicID > apID;
|
|
|
|
if( !pID )
|
|
{
|
|
apID.reset( new GraphicID( rObj ) );
|
|
}
|
|
|
|
while( !bInserted
|
|
&& ( it != maGraphicCache.end() )
|
|
)
|
|
{
|
|
const GraphicID& rEntryID = (*it)->GetID();
|
|
|
|
if( pID )
|
|
{
|
|
if( rEntryID.GetIDString() == *pID )
|
|
{
|
|
(*it)->TryToSwapIn();
|
|
|
|
// since pEntry->TryToSwapIn can modify our current list, we have to
|
|
// iterate from beginning to add a reference to the appropriate
|
|
// CacheEntry object; after this, quickly jump out of the outer iteration
|
|
for( GraphicCacheEntryList::iterator jt = maGraphicCache.begin();
|
|
!bInserted && jt != maGraphicCache.end();
|
|
++jt
|
|
)
|
|
{
|
|
const GraphicID& rID = (*jt)->GetID();
|
|
|
|
if( rID.GetIDString() == *pID )
|
|
{
|
|
(*jt)->AddGraphicObjectReference( rObj, rSubstitute );
|
|
bInserted = sal_True;
|
|
}
|
|
}
|
|
|
|
if( !bInserted )
|
|
{
|
|
maGraphicCache.push_back( new GraphicCacheEntry( rObj ) );
|
|
bInserted = sal_True;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if( rEntryID == *apID )
|
|
{
|
|
(*it)->AddGraphicObjectReference( rObj, rSubstitute );
|
|
bInserted = sal_True;
|
|
}
|
|
}
|
|
|
|
if( !bInserted )
|
|
++it;
|
|
}
|
|
}
|
|
}
|
|
|
|
if( !bInserted )
|
|
maGraphicCache.push_back( new GraphicCacheEntry( rObj ) );
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------
|
|
|
|
void GraphicCache::ReleaseGraphicObject( const GraphicObject& rObj )
|
|
{
|
|
// Release cached object
|
|
bool bRemoved = false;
|
|
GraphicCacheEntryList::iterator it = maGraphicCache.begin();
|
|
while (!bRemoved && it != maGraphicCache.end())
|
|
{
|
|
bRemoved = (*it)->ReleaseGraphicObjectReference( rObj );
|
|
|
|
if( bRemoved )
|
|
{
|
|
if( 0 == (*it)->GetGraphicObjectReferenceCount() )
|
|
{
|
|
// if graphic cache entry has no more references,
|
|
// the corresponding display cache object can be removed
|
|
GraphicDisplayCacheEntryList::iterator it2 = maDisplayCache.begin();
|
|
while( it2 != maDisplayCache.end() )
|
|
{
|
|
GraphicDisplayCacheEntry* pDisplayEntry = *it2;
|
|
if( pDisplayEntry->GetReferencedCacheEntry() == *it )
|
|
{
|
|
mnUsedDisplaySize -= pDisplayEntry->GetCacheSize();
|
|
it2 = maDisplayCache.erase( it2 );
|
|
delete pDisplayEntry;
|
|
}
|
|
else
|
|
++it2;
|
|
}
|
|
|
|
// delete graphic cache entry
|
|
delete *it;
|
|
it = maGraphicCache.erase( it );
|
|
}
|
|
}
|
|
else
|
|
++it;
|
|
}
|
|
|
|
DBG_ASSERT( bRemoved, "GraphicCache::ReleaseGraphicObject(...): GraphicObject not found in cache" );
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------
|
|
|
|
void GraphicCache::GraphicObjectWasSwappedOut( const GraphicObject& rObj )
|
|
{
|
|
// notify cache that rObj is swapped out (and can thus be pruned
|
|
// from the cache)
|
|
GraphicCacheEntry* pEntry = ImplGetCacheEntry( rObj );
|
|
|
|
if( pEntry )
|
|
pEntry->GraphicObjectWasSwappedOut( rObj );
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------
|
|
|
|
sal_Bool GraphicCache::FillSwappedGraphicObject( const GraphicObject& rObj, Graphic& rSubstitute )
|
|
{
|
|
GraphicCacheEntry* pEntry = ImplGetCacheEntry( rObj );
|
|
|
|
if( !pEntry )
|
|
return sal_False;
|
|
|
|
return pEntry->FillSwappedGraphicObject( rObj, rSubstitute );
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------
|
|
|
|
void GraphicCache::GraphicObjectWasSwappedIn( const GraphicObject& rObj )
|
|
{
|
|
GraphicCacheEntry* pEntry = ImplGetCacheEntry( rObj );
|
|
|
|
if( pEntry )
|
|
{
|
|
if( pEntry->GetID().IsEmpty() )
|
|
{
|
|
ReleaseGraphicObject( rObj );
|
|
AddGraphicObject( rObj, (Graphic&) rObj.GetGraphic(), NULL, NULL );
|
|
}
|
|
else
|
|
pEntry->GraphicObjectWasSwappedIn( rObj );
|
|
}
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------
|
|
|
|
void GraphicCache::SetMaxDisplayCacheSize( sal_uLong nNewCacheSize )
|
|
{
|
|
mnMaxDisplaySize = nNewCacheSize;
|
|
|
|
if( GetMaxDisplayCacheSize() < GetUsedDisplayCacheSize() )
|
|
ImplFreeDisplayCacheSpace( GetUsedDisplayCacheSize() - GetMaxDisplayCacheSize() );
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------
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void GraphicCache::SetMaxObjDisplayCacheSize( sal_uLong nNewMaxObjSize, sal_Bool bDestroyGreaterCached )
|
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{
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const sal_Bool bDestroy = ( bDestroyGreaterCached && ( nNewMaxObjSize < mnMaxObjDisplaySize ) );
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mnMaxObjDisplaySize = Min( nNewMaxObjSize, mnMaxDisplaySize );
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if( bDestroy )
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{
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GraphicDisplayCacheEntryList::iterator it = maDisplayCache.begin();
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while( it != maDisplayCache.end() )
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{
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GraphicDisplayCacheEntry* pCacheObj = *it;
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if( pCacheObj->GetCacheSize() > mnMaxObjDisplaySize )
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{
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mnUsedDisplaySize -= pCacheObj->GetCacheSize();
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it = maDisplayCache.erase( it );
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delete pCacheObj;
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}
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else
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++it;
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}
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}
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}
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// -----------------------------------------------------------------------------
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void GraphicCache::SetCacheTimeout( sal_uLong nTimeoutSeconds )
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{
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if( mnReleaseTimeoutSeconds != nTimeoutSeconds )
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{
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::salhelper::TTimeValue aReleaseTime;
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if( ( mnReleaseTimeoutSeconds = nTimeoutSeconds ) != 0 )
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{
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osl_getSystemTime( &aReleaseTime );
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aReleaseTime.addTime( ::salhelper::TTimeValue( nTimeoutSeconds, 0 ) );
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}
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for( GraphicDisplayCacheEntryList::const_iterator it = maDisplayCache.begin();
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it != maDisplayCache.end(); ++it )
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{
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(*it)->SetReleaseTime( aReleaseTime );
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}
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}
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}
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// -----------------------------------------------------------------------------
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sal_Bool GraphicCache::IsDisplayCacheable( OutputDevice* pOut, const Point& rPt, const Size& rSz,
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const GraphicObject& rObj, const GraphicAttr& rAttr ) const
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{
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return( GraphicDisplayCacheEntry::GetNeededSize( pOut, rPt, rSz, rObj, rAttr ) <=
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GetMaxObjDisplayCacheSize() );
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}
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// -----------------------------------------------------------------------------
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sal_Bool GraphicCache::IsInDisplayCache( OutputDevice* pOut, const Point& rPt, const Size& rSz,
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const GraphicObject& rObj, const GraphicAttr& rAttr ) const
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{
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const Point aPtPixel( pOut->LogicToPixel( rPt ) );
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const Size aSzPixel( pOut->LogicToPixel( rSz ) );
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const GraphicCacheEntry* pCacheEntry = ( (GraphicCache*) this )->ImplGetCacheEntry( rObj );
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sal_Bool bFound = sal_False;
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if( pCacheEntry )
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{
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for( GraphicDisplayCacheEntryList::const_iterator it = maDisplayCache.begin();
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!bFound && ( it != maDisplayCache.end() ); ++it )
|
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{
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if( (*it)->Matches( pOut, aPtPixel, aSzPixel, pCacheEntry, rAttr ) )
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bFound = sal_True;
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}
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}
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return bFound;
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}
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// -----------------------------------------------------------------------------
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rtl::OString GraphicCache::GetUniqueID( const GraphicObject& rObj ) const
|
|
{
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rtl::OString aRet;
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GraphicCacheEntry* pEntry = ( (GraphicCache*) this )->ImplGetCacheEntry( rObj );
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// ensure that the entry is correctly initialized (it has to be read at least once)
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if( pEntry && pEntry->GetID().IsEmpty() )
|
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pEntry->TryToSwapIn();
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|
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// do another call to ImplGetCacheEntry in case of modified entry list
|
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pEntry = ( (GraphicCache*) this )->ImplGetCacheEntry( rObj );
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if( pEntry )
|
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aRet = pEntry->GetID().GetIDString();
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return aRet;
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}
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// -----------------------------------------------------------------------------
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sal_Bool GraphicCache::CreateDisplayCacheObj( OutputDevice* pOut, const Point& rPt, const Size& rSz,
|
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const GraphicObject& rObj, const GraphicAttr& rAttr,
|
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const BitmapEx& rBmpEx )
|
|
{
|
|
const sal_uLong nNeededSize = GraphicDisplayCacheEntry::GetNeededSize( pOut, rPt, rSz, rObj, rAttr );
|
|
sal_Bool bRet = sal_False;
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|
|
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if( nNeededSize <= GetMaxObjDisplayCacheSize() )
|
|
{
|
|
if( nNeededSize > GetFreeDisplayCacheSize() )
|
|
ImplFreeDisplayCacheSpace( nNeededSize - GetFreeDisplayCacheSize() );
|
|
|
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GraphicDisplayCacheEntry* pNewEntry = new GraphicDisplayCacheEntry( ImplGetCacheEntry( rObj ),
|
|
pOut, rPt, rSz, rObj, rAttr, rBmpEx );
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|
|
|
if( GetCacheTimeout() )
|
|
{
|
|
::salhelper::TTimeValue aReleaseTime;
|
|
|
|
osl_getSystemTime( &aReleaseTime );
|
|
aReleaseTime.addTime( ::salhelper::TTimeValue( GetCacheTimeout(), 0 ) );
|
|
pNewEntry->SetReleaseTime( aReleaseTime );
|
|
}
|
|
|
|
maDisplayCache.push_back( pNewEntry );
|
|
mnUsedDisplaySize += pNewEntry->GetCacheSize();
|
|
bRet = sal_True;
|
|
}
|
|
|
|
return bRet;
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------
|
|
|
|
sal_Bool GraphicCache::CreateDisplayCacheObj( OutputDevice* pOut, const Point& rPt, const Size& rSz,
|
|
const GraphicObject& rObj, const GraphicAttr& rAttr,
|
|
const GDIMetaFile& rMtf )
|
|
{
|
|
const sal_uLong nNeededSize = GraphicDisplayCacheEntry::GetNeededSize( pOut, rPt, rSz, rObj, rAttr );
|
|
sal_Bool bRet = sal_False;
|
|
|
|
if( nNeededSize <= GetMaxObjDisplayCacheSize() )
|
|
{
|
|
if( nNeededSize > GetFreeDisplayCacheSize() )
|
|
ImplFreeDisplayCacheSpace( nNeededSize - GetFreeDisplayCacheSize() );
|
|
|
|
GraphicDisplayCacheEntry* pNewEntry = new GraphicDisplayCacheEntry( ImplGetCacheEntry( rObj ),
|
|
pOut, rPt, rSz, rObj, rAttr, rMtf );
|
|
|
|
if( GetCacheTimeout() )
|
|
{
|
|
::salhelper::TTimeValue aReleaseTime;
|
|
|
|
osl_getSystemTime( &aReleaseTime );
|
|
aReleaseTime.addTime( ::salhelper::TTimeValue( GetCacheTimeout(), 0 ) );
|
|
pNewEntry->SetReleaseTime( aReleaseTime );
|
|
}
|
|
|
|
maDisplayCache.push_back( pNewEntry );
|
|
mnUsedDisplaySize += pNewEntry->GetCacheSize();
|
|
bRet = sal_True;
|
|
}
|
|
|
|
return bRet;
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------
|
|
|
|
sal_Bool GraphicCache::DrawDisplayCacheObj( OutputDevice* pOut, const Point& rPt, const Size& rSz,
|
|
const GraphicObject& rObj, const GraphicAttr& rAttr )
|
|
{
|
|
const Point aPtPixel( pOut->LogicToPixel( rPt ) );
|
|
const Size aSzPixel( pOut->LogicToPixel( rSz ) );
|
|
const GraphicCacheEntry* pCacheEntry = ImplGetCacheEntry( rObj );
|
|
GraphicDisplayCacheEntry* pDisplayCacheEntry = NULL;
|
|
GraphicDisplayCacheEntryList::iterator it = maDisplayCache.begin();
|
|
sal_Bool bRet = sal_False;
|
|
|
|
while( !bRet && it != maDisplayCache.end() )
|
|
{
|
|
pDisplayCacheEntry = *it;
|
|
if( pDisplayCacheEntry->Matches( pOut, aPtPixel, aSzPixel, pCacheEntry, rAttr ) )
|
|
{
|
|
::salhelper::TTimeValue aReleaseTime;
|
|
|
|
// put found object at last used position
|
|
it = maDisplayCache.erase( it );
|
|
maDisplayCache.push_back( pDisplayCacheEntry );
|
|
|
|
if( GetCacheTimeout() )
|
|
{
|
|
osl_getSystemTime( &aReleaseTime );
|
|
aReleaseTime.addTime( ::salhelper::TTimeValue( GetCacheTimeout(), 0 ) );
|
|
}
|
|
|
|
pDisplayCacheEntry->SetReleaseTime( aReleaseTime );
|
|
bRet = sal_True;
|
|
}
|
|
else
|
|
++it;
|
|
}
|
|
|
|
if( bRet )
|
|
pDisplayCacheEntry->Draw( pOut, rPt, rSz );
|
|
|
|
return bRet;
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------
|
|
|
|
sal_Bool GraphicCache::ImplFreeDisplayCacheSpace( sal_uLong nSizeToFree )
|
|
{
|
|
sal_uLong nFreedSize = 0UL;
|
|
|
|
if( nSizeToFree )
|
|
{
|
|
GraphicDisplayCacheEntryList::iterator it = maDisplayCache.begin();
|
|
|
|
if( nSizeToFree > mnUsedDisplaySize )
|
|
nSizeToFree = mnUsedDisplaySize;
|
|
|
|
while( it != maDisplayCache.end() )
|
|
{
|
|
GraphicDisplayCacheEntry* pCacheObj = *it;
|
|
|
|
nFreedSize += pCacheObj->GetCacheSize();
|
|
mnUsedDisplaySize -= pCacheObj->GetCacheSize();
|
|
it = maDisplayCache.erase( it );
|
|
delete pCacheObj;
|
|
|
|
if( nFreedSize >= nSizeToFree )
|
|
break;
|
|
}
|
|
}
|
|
|
|
return( nFreedSize >= nSizeToFree );
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------
|
|
|
|
GraphicCacheEntry* GraphicCache::ImplGetCacheEntry( const GraphicObject& rObj )
|
|
{
|
|
GraphicCacheEntry* pRet = NULL;
|
|
|
|
for(
|
|
GraphicCacheEntryList::iterator it = maGraphicCache.begin();
|
|
!pRet && it != maGraphicCache.end();
|
|
++it
|
|
) {
|
|
if( (*it)->HasGraphicObjectReference( rObj ) ) {
|
|
pRet = *it;
|
|
}
|
|
}
|
|
|
|
return pRet;
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------
|
|
|
|
IMPL_LINK( GraphicCache, ReleaseTimeoutHdl, Timer*, pTimer )
|
|
{
|
|
pTimer->Stop();
|
|
|
|
::salhelper::TTimeValue aCurTime;
|
|
GraphicDisplayCacheEntryList::iterator it = maDisplayCache.begin();
|
|
|
|
osl_getSystemTime( &aCurTime );
|
|
|
|
while( it != maDisplayCache.end() )
|
|
{
|
|
GraphicDisplayCacheEntry* pDisplayEntry = *it;
|
|
const ::salhelper::TTimeValue& rReleaseTime = pDisplayEntry->GetReleaseTime();
|
|
|
|
if( !rReleaseTime.isEmpty() && ( rReleaseTime < aCurTime ) )
|
|
{
|
|
mnUsedDisplaySize -= pDisplayEntry->GetCacheSize();
|
|
it = maDisplayCache.erase( it );
|
|
delete pDisplayEntry;
|
|
}
|
|
else
|
|
++it;
|
|
}
|
|
|
|
pTimer->Start();
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|