2004-11-26 19:57:31 +00:00
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/*************************************************************************
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*
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2008-04-11 09:15:40 +00:00
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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2004-11-26 19:57:31 +00:00
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*
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2010-02-12 15:01:35 +01:00
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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2004-11-26 19:57:31 +00:00
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*
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2008-04-11 09:15:40 +00:00
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* OpenOffice.org - a multi-platform office productivity suite
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2004-11-26 19:57:31 +00:00
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*
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2008-04-11 09:15:40 +00:00
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* This file is part of OpenOffice.org.
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2004-11-26 19:57:31 +00:00
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*
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2008-04-11 09:15:40 +00:00
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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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2004-11-26 19:57:31 +00:00
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*
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2008-04-11 09:15:40 +00:00
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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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2004-11-26 19:57:31 +00:00
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*
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2008-04-11 09:15:40 +00:00
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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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2004-11-26 19:57:31 +00:00
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*
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************************************************************************/
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2006-09-17 11:50:33 +00:00
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_cppcanvas.hxx"
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2004-11-26 19:57:31 +00:00
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#include <tools/gen.hxx>
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#include <canvas/debug.hxx>
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#include <canvas/verbosetrace.hxx>
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2005-04-18 09:01:14 +00:00
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#include <canvas/canvastools.hxx>
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2004-11-26 19:57:31 +00:00
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#include <rtl/logfile.hxx>
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2005-03-10 12:27:00 +00:00
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#include <com/sun/star/rendering/XBitmap.hpp>
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2008-06-24 10:50:03 +00:00
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#include <com/sun/star/rendering/XCanvas.hpp>
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2004-11-26 19:57:31 +00:00
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#include <rtl/math.hxx>
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2005-03-30 07:32:26 +00:00
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#include <vcl/metaact.hxx>
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2004-11-26 19:57:31 +00:00
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#include <vcl/bitmapex.hxx>
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#include <vcl/canvastools.hxx>
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#include <vcl/svapp.hxx>
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#include <vcl/outdev.hxx>
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#include <vcl/virdev.hxx>
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#include <vcl/virdev.hxx>
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#include <vcl/gdimtf.hxx>
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#include <vcl/gradient.hxx>
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#include <canvas/canvastools.hxx>
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2005-04-18 09:01:14 +00:00
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#include <basegfx/range/b2drange.hxx>
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2007-01-22 10:52:02 +00:00
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#include <basegfx/point/b2dpoint.hxx>
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#include <basegfx/vector/b2dsize.hxx>
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2004-11-26 19:57:31 +00:00
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#include <basegfx/numeric/ftools.hxx>
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#include <basegfx/matrix/b2dhommatrix.hxx>
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#include <basegfx/tuple/b2dtuple.hxx>
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#include <basegfx/tools/canvastools.hxx>
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2005-03-30 07:32:26 +00:00
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#include <boost/utility.hpp>
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2005-11-02 12:42:22 +00:00
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#include "transparencygroupaction.hxx"
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#include "outdevstate.hxx"
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#include "mtftools.hxx"
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#include "cppcanvas/vclfactory.hxx"
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2004-11-26 19:57:31 +00:00
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using namespace ::com::sun::star;
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namespace cppcanvas
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{
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namespace internal
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{
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// free support functions
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// ======================
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namespace
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{
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2005-03-30 07:32:26 +00:00
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class TransparencyGroupAction : public Action, private ::boost::noncopyable
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{
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public:
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/** Create new transparency group action.
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@param rGroupMtf
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Metafile that groups all actions to be rendered
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transparent
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@param rParms
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Render parameters
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@param rDstPoint
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Left, top edge of destination, in current state
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coordinate system
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@param rDstSize
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Size of the transparency group object, in current
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state coordinate system.
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@param nAlpha
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Alpha value, must be in the range [0,1]
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*/
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TransparencyGroupAction( MtfAutoPtr& rGroupMtf,
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const Renderer::Parameters& rParms,
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2007-01-22 10:52:02 +00:00
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const ::basegfx::B2DPoint& rDstPoint,
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const ::basegfx::B2DVector& rDstSize,
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2005-03-30 07:32:26 +00:00
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double nAlpha,
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const CanvasSharedPtr& rCanvas,
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const OutDevState& rState );
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/** Create new transparency group action.
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@param rGroupMtf
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Metafile that groups all actions to be rendered
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transparent.
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@param rAlphaGradient
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VCL gradient, to be rendered into the action's alpha
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channel.
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@param rParms
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Render parameters
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@param rDstPoint
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Left, top edge of destination, in current state
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coordinate system
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@param rDstSize
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Size of the transparency group object, in current
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state coordinate system.
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*/
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TransparencyGroupAction( MtfAutoPtr& rGroupMtf,
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GradientAutoPtr& rAlphaGradient,
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const Renderer::Parameters& rParms,
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2007-01-22 10:52:02 +00:00
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const ::basegfx::B2DPoint& rDstPoint,
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const ::basegfx::B2DVector& rDstSize,
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2005-03-30 07:32:26 +00:00
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const CanvasSharedPtr& rCanvas,
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const OutDevState& rState );
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virtual bool render( const ::basegfx::B2DHomMatrix& rTransformation ) const;
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virtual bool render( const ::basegfx::B2DHomMatrix& rTransformation,
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const Subset& rSubset ) const;
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2005-04-18 09:01:14 +00:00
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virtual ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix& rTransformation ) const;
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virtual ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix& rTransformation,
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const Subset& rSubset ) const;
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2005-03-30 07:32:26 +00:00
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virtual sal_Int32 getActionCount() const;
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private:
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MtfAutoPtr mpGroupMtf;
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GradientAutoPtr mpAlphaGradient;
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const Renderer::Parameters maParms;
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2007-01-22 10:52:02 +00:00
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const ::basegfx::B2DSize maDstSize;
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2005-03-30 07:32:26 +00:00
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mutable uno::Reference< rendering::XBitmap > mxBufferBitmap; // contains last rendered version
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mutable ::basegfx::B2DHomMatrix maLastTransformation; // contains last active transformation
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mutable Subset maLastSubset; // contains last effective subset
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// transformation for
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// mxBufferBitmap content
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CanvasSharedPtr mpCanvas;
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rendering::RenderState maState;
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const double mnAlpha;
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};
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2004-11-26 19:57:31 +00:00
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/** Setup transformation such that the next render call is
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moved rPoint away, and scaled according to the ratio
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given by src and dst size.
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*/
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void implSetupTransform( rendering::RenderState& rRenderState,
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2007-01-22 10:52:02 +00:00
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const ::basegfx::B2DPoint& rDstPoint )
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2004-11-26 19:57:31 +00:00
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{
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::basegfx::B2DHomMatrix aLocalTransformation;
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2007-01-22 10:52:02 +00:00
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aLocalTransformation.translate( rDstPoint.getX(),
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rDstPoint.getY() );
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2004-11-26 19:57:31 +00:00
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::canvas::tools::appendToRenderState( rRenderState,
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aLocalTransformation );
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}
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2005-03-30 07:32:26 +00:00
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TransparencyGroupAction::TransparencyGroupAction( MtfAutoPtr& rGroupMtf,
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const Renderer::Parameters& rParms,
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2007-01-22 10:52:02 +00:00
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const ::basegfx::B2DPoint& rDstPoint,
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const ::basegfx::B2DVector& rDstSize,
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2005-03-30 07:32:26 +00:00
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double nAlpha,
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const CanvasSharedPtr& rCanvas,
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const OutDevState& rState ) :
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mpGroupMtf( rGroupMtf ),
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mpAlphaGradient(),
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maParms( rParms ),
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maDstSize( rDstSize ),
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mxBufferBitmap(),
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maLastTransformation(),
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mpCanvas( rCanvas ),
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maState(),
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mnAlpha( nAlpha )
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{
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tools::initRenderState(maState,rState);
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implSetupTransform( maState, rDstPoint );
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2004-11-26 19:57:31 +00:00
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2005-05-20 06:43:20 +00:00
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// correct clip (which is relative to original transform)
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2005-11-02 12:42:22 +00:00
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tools::modifyClip( maState,
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rState,
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rCanvas,
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rDstPoint,
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NULL,
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NULL );
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2005-05-20 06:43:20 +00:00
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2005-03-30 07:32:26 +00:00
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maLastSubset.mnSubsetBegin = 0;
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maLastSubset.mnSubsetEnd = -1;
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}
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2004-11-26 19:57:31 +00:00
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2005-03-30 07:32:26 +00:00
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TransparencyGroupAction::TransparencyGroupAction( MtfAutoPtr& rGroupMtf,
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GradientAutoPtr& rAlphaGradient,
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const Renderer::Parameters& rParms,
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2007-01-22 10:52:02 +00:00
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const ::basegfx::B2DPoint& rDstPoint,
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const ::basegfx::B2DVector& rDstSize,
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2005-03-30 07:32:26 +00:00
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const CanvasSharedPtr& rCanvas,
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const OutDevState& rState ) :
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mpGroupMtf( rGroupMtf ),
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mpAlphaGradient( rAlphaGradient ),
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maParms( rParms ),
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maDstSize( rDstSize ),
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mxBufferBitmap(),
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maLastTransformation(),
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mpCanvas( rCanvas ),
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maState(),
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mnAlpha( 1.0 )
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{
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tools::initRenderState(maState,rState);
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implSetupTransform( maState, rDstPoint );
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2004-11-26 19:57:31 +00:00
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2005-05-20 06:43:20 +00:00
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// correct clip (which is relative to original transform)
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2005-11-02 12:42:22 +00:00
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tools::modifyClip( maState,
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rState,
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rCanvas,
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rDstPoint,
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NULL,
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NULL );
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2005-05-20 06:43:20 +00:00
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2005-03-30 07:32:26 +00:00
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maLastSubset.mnSubsetBegin = 0;
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maLastSubset.mnSubsetEnd = -1;
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}
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// TODO(P3): The whole float transparency handling is a mess,
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// this should be refactored. What's more, the old idea of
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// having only internal 'metaactions', and not the original
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// GDIMetaFile now looks a lot less attractive. Try to move
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// into the direction of having a direct GDIMetaFile2XCanvas
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// renderer, and maybe a separate metafile XCanvas
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// implementation.
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bool TransparencyGroupAction::render( const ::basegfx::B2DHomMatrix& rTransformation,
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const Subset& rSubset ) const
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2004-11-26 19:57:31 +00:00
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{
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2005-03-30 07:32:26 +00:00
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RTL_LOGFILE_CONTEXT( aLog, "::cppcanvas::internal::TransparencyGroupAction::render()" );
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RTL_LOGFILE_CONTEXT_TRACE1( aLog, "::cppcanvas::internal::TransparencyGroupAction: 0x%X", this );
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// determine overall transformation matrix (render, view,
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// and passed transformation)
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::basegfx::B2DHomMatrix aTransform;
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::canvas::tools::getRenderStateTransform( aTransform, maState );
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aTransform = rTransformation * aTransform;
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::basegfx::B2DHomMatrix aTotalTransform;
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::canvas::tools::getViewStateTransform( aTotalTransform, mpCanvas->getViewState() );
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aTotalTransform = aTotalTransform * aTransform;
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// since pure translational changes to the transformation
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// does not matter, remove them before comparing
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aTotalTransform.set( 0, 2, 0.0 );
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aTotalTransform.set( 1, 2, 0.0 );
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2005-05-20 06:43:20 +00:00
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// if there's no buffer bitmap, or as soon as the
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// total transformation changes, we've got to
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// re-render the bitmap
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if( !mxBufferBitmap.is() ||
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aTotalTransform != maLastTransformation ||
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2005-03-30 07:32:26 +00:00
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rSubset.mnSubsetBegin != maLastSubset.mnSubsetBegin ||
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rSubset.mnSubsetEnd != maLastSubset.mnSubsetEnd )
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{
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DBG_TESTSOLARMUTEX();
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// determine total scaling factor of the
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// transformation matrix - need to make the bitmap
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// large enough
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::basegfx::B2DTuple aScale;
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::basegfx::B2DTuple aTranslate;
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double nRotate;
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double nShearX;
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if( !aTotalTransform.decompose( aScale,
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aTranslate,
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|
nRotate,
|
|
|
|
|
nShearX ) )
|
|
|
|
|
{
|
|
|
|
|
OSL_ENSURE( false,
|
|
|
|
|
"TransparencyGroupAction::render(): non-decomposable transformation" );
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// output size of metafile
|
2007-01-22 10:52:02 +00:00
|
|
|
::Size aOutputSizePixel( ::basegfx::fround( aScale.getX() * maDstSize.getX() ),
|
|
|
|
|
::basegfx::fround( aScale.getY() * maDstSize.getY() ) );
|
2005-03-30 07:32:26 +00:00
|
|
|
|
|
|
|
|
// pixel size of cache bitmap: round up to nearest int
|
2007-01-22 10:52:02 +00:00
|
|
|
::Size aBitmapSizePixel( static_cast<sal_Int32>( aScale.getX() * maDstSize.getX() )+1,
|
|
|
|
|
static_cast<sal_Int32>( aScale.getY() * maDstSize.getY() )+1 );
|
2005-03-30 07:32:26 +00:00
|
|
|
|
|
|
|
|
::Point aEmptyPoint;
|
|
|
|
|
|
|
|
|
|
// render our content into an appropriately sized
|
|
|
|
|
// VirtualDevice with alpha channel
|
|
|
|
|
VirtualDevice aVDev(
|
|
|
|
|
*::Application::GetDefaultDevice(), 0, 0 );
|
|
|
|
|
aVDev.SetOutputSizePixel( aBitmapSizePixel );
|
|
|
|
|
aVDev.SetMapMode();
|
|
|
|
|
|
|
|
|
|
if( rSubset.mnSubsetBegin != 0 ||
|
|
|
|
|
rSubset.mnSubsetEnd != -1 )
|
|
|
|
|
{
|
|
|
|
|
// true subset - extract referenced
|
|
|
|
|
// metaactions from mpGroupMtf
|
|
|
|
|
GDIMetaFile aMtf;
|
|
|
|
|
MetaAction* pCurrAct;
|
|
|
|
|
int nCurrActionIndex;
|
|
|
|
|
|
|
|
|
|
// extract subset actions
|
|
|
|
|
for( nCurrActionIndex=0,
|
|
|
|
|
pCurrAct=mpGroupMtf->FirstAction();
|
|
|
|
|
pCurrAct;
|
|
|
|
|
++nCurrActionIndex, pCurrAct = mpGroupMtf->NextAction() )
|
|
|
|
|
{
|
|
|
|
|
switch( pCurrAct->GetType() )
|
|
|
|
|
{
|
|
|
|
|
case META_PUSH_ACTION:
|
|
|
|
|
case META_POP_ACTION:
|
|
|
|
|
case META_CLIPREGION_ACTION:
|
|
|
|
|
case META_ISECTRECTCLIPREGION_ACTION:
|
|
|
|
|
case META_ISECTREGIONCLIPREGION_ACTION:
|
|
|
|
|
case META_MOVECLIPREGION_ACTION:
|
|
|
|
|
case META_LINECOLOR_ACTION:
|
|
|
|
|
case META_FILLCOLOR_ACTION:
|
|
|
|
|
case META_TEXTCOLOR_ACTION:
|
|
|
|
|
case META_TEXTFILLCOLOR_ACTION:
|
|
|
|
|
case META_TEXTLINECOLOR_ACTION:
|
|
|
|
|
case META_TEXTALIGN_ACTION:
|
|
|
|
|
case META_FONT_ACTION:
|
|
|
|
|
case META_RASTEROP_ACTION:
|
|
|
|
|
case META_REFPOINT_ACTION:
|
|
|
|
|
case META_LAYOUTMODE_ACTION:
|
|
|
|
|
// state-changing action - copy as-is
|
|
|
|
|
aMtf.AddAction( pCurrAct->Clone() );
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case META_GRADIENT_ACTION:
|
|
|
|
|
case META_HATCH_ACTION:
|
|
|
|
|
case META_EPS_ACTION:
|
|
|
|
|
case META_COMMENT_ACTION:
|
|
|
|
|
case META_POINT_ACTION:
|
|
|
|
|
case META_PIXEL_ACTION:
|
|
|
|
|
case META_LINE_ACTION:
|
|
|
|
|
case META_RECT_ACTION:
|
|
|
|
|
case META_ROUNDRECT_ACTION:
|
|
|
|
|
case META_ELLIPSE_ACTION:
|
|
|
|
|
case META_ARC_ACTION:
|
|
|
|
|
case META_PIE_ACTION:
|
|
|
|
|
case META_CHORD_ACTION:
|
|
|
|
|
case META_POLYLINE_ACTION:
|
|
|
|
|
case META_POLYGON_ACTION:
|
|
|
|
|
case META_POLYPOLYGON_ACTION:
|
|
|
|
|
case META_BMP_ACTION:
|
|
|
|
|
case META_BMPSCALE_ACTION:
|
|
|
|
|
case META_BMPSCALEPART_ACTION:
|
|
|
|
|
case META_BMPEX_ACTION:
|
|
|
|
|
case META_BMPEXSCALE_ACTION:
|
|
|
|
|
case META_BMPEXSCALEPART_ACTION:
|
|
|
|
|
case META_MASK_ACTION:
|
|
|
|
|
case META_MASKSCALE_ACTION:
|
|
|
|
|
case META_MASKSCALEPART_ACTION:
|
|
|
|
|
case META_GRADIENTEX_ACTION:
|
|
|
|
|
case META_WALLPAPER_ACTION:
|
|
|
|
|
case META_TRANSPARENT_ACTION:
|
|
|
|
|
case META_FLOATTRANSPARENT_ACTION:
|
|
|
|
|
case META_TEXT_ACTION:
|
|
|
|
|
case META_TEXTARRAY_ACTION:
|
|
|
|
|
case META_TEXTLINE_ACTION:
|
|
|
|
|
case META_TEXTRECT_ACTION:
|
|
|
|
|
case META_STRETCHTEXT_ACTION:
|
|
|
|
|
// output-generating action - only
|
|
|
|
|
// copy, if we're within the
|
|
|
|
|
// requested subset
|
|
|
|
|
if( rSubset.mnSubsetBegin <= nCurrActionIndex &&
|
|
|
|
|
rSubset.mnSubsetEnd > nCurrActionIndex )
|
|
|
|
|
{
|
|
|
|
|
aMtf.AddAction( pCurrAct->Clone() );
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
default:
|
|
|
|
|
OSL_ENSURE( false,
|
|
|
|
|
"Unknown meta action type encountered" );
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
aVDev.DrawTransparent( aMtf,
|
|
|
|
|
aEmptyPoint,
|
|
|
|
|
aOutputSizePixel,
|
|
|
|
|
*mpAlphaGradient );
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
// no subsetting - render whole mtf
|
|
|
|
|
aVDev.DrawTransparent( *mpGroupMtf,
|
|
|
|
|
aEmptyPoint,
|
|
|
|
|
aOutputSizePixel,
|
|
|
|
|
*mpAlphaGradient );
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// update buffered bitmap and transformation
|
|
|
|
|
BitmapSharedPtr aBmp( VCLFactory::getInstance().createBitmap(
|
|
|
|
|
mpCanvas,
|
|
|
|
|
aVDev.GetBitmapEx(
|
|
|
|
|
aEmptyPoint,
|
|
|
|
|
aBitmapSizePixel ) ) );
|
|
|
|
|
mxBufferBitmap = aBmp->getUNOBitmap();
|
|
|
|
|
maLastTransformation = aTotalTransform;
|
|
|
|
|
maLastSubset = rSubset;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// determine target transformation (we can't simply pass
|
|
|
|
|
// aTotalTransform as assembled above, since we must take
|
|
|
|
|
// the canvas' view state as is, it might contain clipping
|
|
|
|
|
// (which, in turn, is relative to the view
|
|
|
|
|
// transformation))
|
|
|
|
|
|
|
|
|
|
// given that aTotalTransform is the identity
|
|
|
|
|
// transformation, we could simply render our bitmap
|
|
|
|
|
// as-is. Now, since the mxBufferBitmap content already
|
|
|
|
|
// accounts for scale changes in the overall
|
|
|
|
|
// transformation, we must factor this out
|
|
|
|
|
// before. Generally, the transformation matrix should be
|
|
|
|
|
// structured like this:
|
|
|
|
|
// Translation*Rotation*Shear*Scale. Thus, to neutralize
|
|
|
|
|
// the contained scaling, we've got to right-multiply with
|
|
|
|
|
// the inverse.
|
|
|
|
|
::basegfx::B2ISize aBmpSize(
|
|
|
|
|
::basegfx::unotools::b2ISizeFromIntegerSize2D( mxBufferBitmap->getSize() ) );
|
|
|
|
|
|
|
|
|
|
::basegfx::B2DHomMatrix aScaleCorrection;
|
2007-01-22 10:52:02 +00:00
|
|
|
aScaleCorrection.scale( (double)maDstSize.getX() / aBmpSize.getX(),
|
|
|
|
|
(double)maDstSize.getY() / aBmpSize.getY() );
|
2005-03-30 07:32:26 +00:00
|
|
|
aTransform = aTransform * aScaleCorrection;
|
|
|
|
|
|
|
|
|
|
rendering::RenderState aLocalState( maState );
|
|
|
|
|
::canvas::tools::setRenderStateTransform(aLocalState, aTransform);
|
|
|
|
|
|
2005-05-20 06:43:20 +00:00
|
|
|
#ifdef SPECIAL_DEBUG
|
|
|
|
|
aLocalState.Clip.clear();
|
|
|
|
|
aLocalState.DeviceColor =
|
2008-06-24 10:50:03 +00:00
|
|
|
::vcl::unotools::colorToDoubleSequence(
|
|
|
|
|
::Color( 0x80FF0000 ),
|
|
|
|
|
mpCanvas->getUNOCanvas()->getDevice()->getDeviceColorSpace() );
|
2005-05-20 06:43:20 +00:00
|
|
|
|
|
|
|
|
if( maState.Clip.is() )
|
|
|
|
|
mpCanvas->getUNOCanvas()->fillPolyPolygon( maState.Clip,
|
|
|
|
|
mpCanvas->getViewState(),
|
|
|
|
|
aLocalState );
|
|
|
|
|
|
|
|
|
|
aLocalState.DeviceColor = maState.DeviceColor;
|
|
|
|
|
#endif
|
|
|
|
|
|
2005-03-30 07:32:26 +00:00
|
|
|
if( ::rtl::math::approxEqual(mnAlpha, 1.0) )
|
|
|
|
|
{
|
|
|
|
|
// no further alpha changes necessary -> draw directly
|
|
|
|
|
mpCanvas->getUNOCanvas()->drawBitmap( mxBufferBitmap,
|
|
|
|
|
mpCanvas->getViewState(),
|
|
|
|
|
aLocalState );
|
|
|
|
|
}
|
|
|
|
|
else
|
2004-11-26 19:57:31 +00:00
|
|
|
{
|
2005-03-30 07:32:26 +00:00
|
|
|
// add alpha modulation value to DeviceColor
|
2008-06-24 10:50:03 +00:00
|
|
|
uno::Sequence<rendering::ARGBColor> aCols(1);
|
|
|
|
|
aCols[0] = rendering::ARGBColor( mnAlpha, 1.0, 1.0, 1.0);
|
|
|
|
|
aLocalState.DeviceColor =
|
|
|
|
|
mpCanvas->getUNOCanvas()->getDevice()->getDeviceColorSpace()->convertFromARGB(
|
|
|
|
|
aCols);
|
2005-04-18 09:01:14 +00:00
|
|
|
|
2005-03-30 07:32:26 +00:00
|
|
|
mpCanvas->getUNOCanvas()->drawBitmapModulated( mxBufferBitmap,
|
|
|
|
|
mpCanvas->getViewState(),
|
|
|
|
|
aLocalState );
|
2004-11-26 19:57:31 +00:00
|
|
|
}
|
|
|
|
|
|
2005-03-30 07:32:26 +00:00
|
|
|
return true;
|
2004-11-26 19:57:31 +00:00
|
|
|
}
|
|
|
|
|
|
2005-03-30 07:32:26 +00:00
|
|
|
// TODO(P3): The whole float transparency handling is a mess,
|
|
|
|
|
// this should be refactored. What's more, the old idea of
|
|
|
|
|
// having only internal 'metaactions', and not the original
|
|
|
|
|
// GDIMetaFile now looks a lot less attractive. Try to move
|
|
|
|
|
// into the direction of having a direct GDIMetaFile2XCanvas
|
|
|
|
|
// renderer, and maybe a separate metafile XCanvas
|
|
|
|
|
// implementation.
|
|
|
|
|
bool TransparencyGroupAction::render( const ::basegfx::B2DHomMatrix& rTransformation ) const
|
2004-11-26 19:57:31 +00:00
|
|
|
{
|
2005-03-30 07:32:26 +00:00
|
|
|
Subset aSubset;
|
|
|
|
|
|
|
|
|
|
aSubset.mnSubsetBegin = 0;
|
|
|
|
|
aSubset.mnSubsetEnd = -1;
|
|
|
|
|
|
|
|
|
|
return render( rTransformation, aSubset );
|
2004-11-26 19:57:31 +00:00
|
|
|
}
|
2005-03-30 07:32:26 +00:00
|
|
|
|
2005-04-18 09:01:14 +00:00
|
|
|
::basegfx::B2DRange TransparencyGroupAction::getBounds( const ::basegfx::B2DHomMatrix& rTransformation ) const
|
|
|
|
|
{
|
|
|
|
|
rendering::RenderState aLocalState( maState );
|
|
|
|
|
::canvas::tools::prependToRenderState(aLocalState, rTransformation);
|
|
|
|
|
|
|
|
|
|
return tools::calcDevicePixelBounds(
|
|
|
|
|
::basegfx::B2DRange( 0,0,
|
2007-01-22 10:52:02 +00:00
|
|
|
maDstSize.getX(),
|
|
|
|
|
maDstSize.getY() ),
|
2005-04-18 09:01:14 +00:00
|
|
|
mpCanvas->getViewState(),
|
|
|
|
|
aLocalState );
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
::basegfx::B2DRange TransparencyGroupAction::getBounds( const ::basegfx::B2DHomMatrix& rTransformation,
|
|
|
|
|
const Subset& rSubset ) const
|
|
|
|
|
{
|
|
|
|
|
// TODO(F3): Currently, the bounds for
|
|
|
|
|
// TransparencyGroupAction subsets equal those of the
|
|
|
|
|
// full set, although this action is able to render
|
|
|
|
|
// true subsets.
|
|
|
|
|
|
|
|
|
|
// polygon only contains a single action, empty bounds
|
|
|
|
|
// if subset requests different range
|
|
|
|
|
if( rSubset.mnSubsetBegin != 0 ||
|
|
|
|
|
rSubset.mnSubsetEnd != 1 )
|
|
|
|
|
return ::basegfx::B2DRange();
|
|
|
|
|
|
|
|
|
|
return getBounds( rTransformation );
|
|
|
|
|
}
|
|
|
|
|
|
2005-03-30 07:32:26 +00:00
|
|
|
sal_Int32 TransparencyGroupAction::getActionCount() const
|
2004-11-26 19:57:31 +00:00
|
|
|
{
|
2005-03-30 07:32:26 +00:00
|
|
|
return mpGroupMtf.get() ? mpGroupMtf->GetActionCount() : 0;
|
2004-11-26 19:57:31 +00:00
|
|
|
}
|
|
|
|
|
|
2005-03-30 07:32:26 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
ActionSharedPtr TransparencyGroupActionFactory::createTransparencyGroupAction( MtfAutoPtr& rGroupMtf,
|
|
|
|
|
const Renderer::Parameters& rParms,
|
2007-01-22 10:52:02 +00:00
|
|
|
const ::basegfx::B2DPoint& rDstPoint,
|
|
|
|
|
const ::basegfx::B2DVector& rDstSize,
|
2005-03-30 07:32:26 +00:00
|
|
|
double nAlpha,
|
|
|
|
|
const CanvasSharedPtr& rCanvas,
|
|
|
|
|
const OutDevState& rState )
|
|
|
|
|
{
|
|
|
|
|
return ActionSharedPtr( new TransparencyGroupAction(rGroupMtf,
|
|
|
|
|
rParms,
|
|
|
|
|
rDstPoint,
|
|
|
|
|
rDstSize,
|
|
|
|
|
nAlpha,
|
|
|
|
|
rCanvas,
|
|
|
|
|
rState ) );
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
ActionSharedPtr TransparencyGroupActionFactory::createTransparencyGroupAction( MtfAutoPtr& rGroupMtf,
|
|
|
|
|
GradientAutoPtr& rAlphaGradient,
|
|
|
|
|
const Renderer::Parameters& rParms,
|
2007-01-22 10:52:02 +00:00
|
|
|
const ::basegfx::B2DPoint& rDstPoint,
|
|
|
|
|
const ::basegfx::B2DVector& rDstSize,
|
2005-03-30 07:32:26 +00:00
|
|
|
const CanvasSharedPtr& rCanvas,
|
|
|
|
|
const OutDevState& rState )
|
|
|
|
|
{
|
|
|
|
|
return ActionSharedPtr( new TransparencyGroupAction(rGroupMtf,
|
|
|
|
|
rAlphaGradient,
|
|
|
|
|
rParms,
|
|
|
|
|
rDstPoint,
|
|
|
|
|
rDstSize,
|
|
|
|
|
rCanvas,
|
|
|
|
|
rState ) );
|
2004-11-26 19:57:31 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
}
|
