forked from amazingfate/loongoffice
68a4f005bc
This was missed in: commit 3901e029bd39575f700e69a73818565d62226a23 Author: Khaled Hosny <khaled@aliftype.com> Date: Mon Aug 8 22:08:37 2022 +0200 tdf#104921: Cleanup Kashida insertion logic The width adjustment passed through, but Kashida insertion positions didn’t, leaving gaps in place of Kashidas when canvas is used (apparently canvas is only used for slideshow). Change-Id: I25ff30f10cc46a5c87bda2f3936df26b2fc926b1 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/153234 Tested-by: Jenkins Reviewed-by: خالد حسني <khaled@libreoffice.org>
248 lines
9.9 KiB
C++
248 lines
9.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#pragma once
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#include <sal/config.h>
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#include <sal/types.h>
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#include <o3tl/span.hxx>
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#include <tools/stream.hxx>
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#include <utility>
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#include <vcl/metaactiontypes.hxx>
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#include <cppcanvas/renderer.hxx>
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#include <cppcanvas/canvas.hxx>
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#include "canvasgraphichelper.hxx"
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#include "action.hxx"
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#include "outdevstate.hxx"
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#include <osl/diagnose.h>
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#include <memory>
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#include <vector>
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class GDIMetaFile;
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class VirtualDevice;
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class Gradient;
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namespace tools { class Rectangle; }
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namespace vcl { class Font; }
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namespace tools { class PolyPolygon; }
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class Point;
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class MetaCommentAction;
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namespace basegfx {
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class B2DPolyPolygon;
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class B2DPolygon;
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}
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namespace cppcanvas::internal
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{
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struct OutDevState;
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struct ActionFactoryParameters;
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struct XForm;
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// state stack of OutputDevice, to correctly handle
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// push/pop actions
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class VectorOfOutDevStates
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{
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public:
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OutDevState& getState();
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const OutDevState& getState() const;
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void pushState(vcl::PushFlags nFlags);
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void popState();
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void clearStateStack();
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private:
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std::vector< OutDevState > m_aStates;
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};
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// EMF+
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// Transformation matrix (used for Affine Transformation)
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// [ eM11, eM12, eDx ]
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// [ eM21, eM22, eDy ]
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// [ 0, 0, 1 ]
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// that consists of a linear map (eM11, eM12, eM21, eM22)
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// More info: https://en.wikipedia.org/wiki/Linear_map
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// followed by a translation (eDx, eDy)
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struct XForm
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{
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float eM11; // M1,1 value in the matrix. Increases or decreases the size of the pixels horizontally.
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float eM12; // M1,2 value in the matrix. This effectively angles the X axis up or down.
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float eM21; // M2,1 value in the matrix. This effectively angles the Y axis left or right.
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float eM22; // M2,2 value in the matrix. Increases or decreases the size of the pixels vertically.
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float eDx; // Delta x (Dx) value in the matrix. Moves the whole coordinate system horizontally.
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float eDy; // Delta y (Dy) value in the matrix. Moves the whole coordinate system vertically.
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XForm()
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{
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SetIdentity ();
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}
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void SetIdentity ()
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{
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eM11 = eM22 = 1.0f;
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eDx = eDy = eM12 = eM21 = 0.0f;
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}
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friend SvStream& ReadXForm( SvStream& rIn, XForm& rXForm )
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{
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if ( sizeof( float ) != 4 )
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{
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OSL_FAIL( "EnhWMFReader::sizeof( float ) != 4" );
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rXForm = XForm();
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}
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else
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{
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rIn.ReadFloat( rXForm.eM11 ).ReadFloat( rXForm.eM12 ).ReadFloat( rXForm.eM21 ).ReadFloat( rXForm.eM22 )
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.ReadFloat( rXForm.eDx ).ReadFloat( rXForm.eDy );
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}
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return rIn;
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}
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};
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// EMF+
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class ImplRenderer : public virtual Renderer, protected CanvasGraphicHelper
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{
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public:
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ImplRenderer( const CanvasSharedPtr& rCanvas,
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const GDIMetaFile& rMtf,
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const Parameters& rParms );
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virtual ~ImplRenderer() override;
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virtual bool draw() const override;
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virtual bool drawSubset( sal_Int32 nStartIndex,
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sal_Int32 nEndIndex ) const override;
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virtual ::basegfx::B2DRange getSubsetArea( sal_Int32 nStartIndex,
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sal_Int32 nEndIndex ) const override;
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// element of the Renderer's action vector. Need to be
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// public, since some functors need it, too.
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struct MtfAction
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{
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MtfAction( std::shared_ptr<Action> xAction,
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sal_Int32 nOrigIndex ) :
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mpAction(std::move( xAction )),
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mnOrigIndex( nOrigIndex )
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{
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}
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std::shared_ptr<Action> mpAction;
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sal_Int32 mnOrigIndex;
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};
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// prefetched and prepared canvas actions
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// (externally not visible)
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typedef std::vector< MtfAction > ActionVector;
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private:
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ImplRenderer(const ImplRenderer&) = delete;
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ImplRenderer& operator=( const ImplRenderer& ) = delete;
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static void updateClipping( const ::basegfx::B2DPolyPolygon& rClipPoly,
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const ActionFactoryParameters& rParms,
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bool bIntersect );
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static void updateClipping( const ::tools::Rectangle& rClipRect,
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const ActionFactoryParameters& rParms,
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bool bIntersect );
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static css::uno::Reference<
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css::rendering::XCanvasFont > createFont( double& o_rFontRotation,
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const vcl::Font& rFont,
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const ActionFactoryParameters& rParms );
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void createActions( GDIMetaFile& rMtf,
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const ActionFactoryParameters& rParms,
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bool bSubsettableActions );
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bool createFillAndStroke( const ::basegfx::B2DPolyPolygon& rPolyPoly,
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const ActionFactoryParameters& rParms );
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bool createFillAndStroke( const ::basegfx::B2DPolygon& rPoly,
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const ActionFactoryParameters& rParms );
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static void skipContent( GDIMetaFile& rMtf,
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const char* pCommentString,
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sal_Int32& io_rCurrActionIndex );
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static bool isActionContained( GDIMetaFile& rMtf,
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const char* pCommentString,
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MetaActionType nType );
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void createGradientAction( const ::tools::PolyPolygon& rPoly,
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const ::Gradient& rGradient,
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const ActionFactoryParameters& rParms,
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bool bIsPolygonRectangle,
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bool bSubsettableActions );
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void createTextAction( const ::Point& rStartPoint,
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const OUString& rString,
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int nIndex,
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int nLength,
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KernArraySpan pCharWidths,
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o3tl::span<const sal_Bool> pKashidaArray,
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const ActionFactoryParameters& rParms,
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bool bSubsettable );
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bool getSubsetIndices( sal_Int32& io_rStartIndex,
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sal_Int32& io_rEndIndex,
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ActionVector::const_iterator& o_rRangeBegin,
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ActionVector::const_iterator& o_rRangeEnd ) const;
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ActionVector maActions;
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/* EMF+ */
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XForm aBaseTransform;
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/* EMF+ emf header info */
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sal_Int32 nFrameLeft;
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sal_Int32 nFrameTop;
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sal_Int32 nFrameRight;
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sal_Int32 nFrameBottom;
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sal_Int32 nPixX;
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sal_Int32 nPixY;
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sal_Int32 nMmX;
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sal_Int32 nMmY;
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};
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/// Common parameters when creating actions
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struct ActionFactoryParameters
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{
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ActionFactoryParameters( VectorOfOutDevStates& rStates,
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const CanvasSharedPtr& rCanvas,
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::VirtualDevice& rVDev,
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const Renderer::Parameters& rParms,
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sal_Int32& io_rCurrActionIndex ) :
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mrStates(rStates),
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mrCanvas(rCanvas),
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mrVDev(rVDev),
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mrParms(rParms),
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mrCurrActionIndex(io_rCurrActionIndex)
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{}
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VectorOfOutDevStates& mrStates;
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const CanvasSharedPtr& mrCanvas;
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::VirtualDevice& mrVDev;
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const Renderer::Parameters& mrParms;
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sal_Int32& mrCurrActionIndex;
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};
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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