139422df22
2005/02/16 11:14:08 fs 1.2.10.5: #i42558# drafts.com.sun.star.drawing/rendering/geometry moved to com.sun.star.* 2005/02/15 12:24:18 thb 1.2.10.4: #i42440# Now filling polygons 'inclusive', i.e. with one additional pixel to the right and the bottom. Along the same lines, moved sprite-growing code to slideshow, we already handle the case there for update areas of antialiased shapes 2005/02/11 12:44:48 thb 1.2.10.3: #i38960# Fixed transformBitmap(), which, when the matrix contains e.g. rotational components, completely messed up both output position and relative position within the generated bitmap; Fixed inefficiency in BitmapBackBuffer, where a default-constructed bitmap was copied into the VDev the first time getOutDev() was called 2005/02/07 18:26:16 pl 1.2.10.2: #i42218# use Region::GetRegionFromPolyPolygon as performance shortcut 2005/01/26 11:28:43 thb 1.2.10.1: #116716# Corrected text direction setup; text layout always outputs LTR
1152 lines
49 KiB
C++
1152 lines
49 KiB
C++
/*************************************************************************
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*
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* $RCSfile: canvashelper.cxx,v $
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*
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* $Revision: 1.3 $
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*
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* last change: $Author: vg $ $Date: 2005-03-10 11:58:56 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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#include <canvas/debug.hxx>
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#ifndef INCLUDED_RTL_MATH_HXX
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#include <rtl/math.hxx>
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#endif
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#ifndef _COM_SUN_STAR_RENDERING_TEXTDIRECTION_HPP__
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#include <com/sun/star/rendering/TextDirection.hpp>
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#endif
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#ifndef _TL_POLY_HXX
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#include <tools/poly.hxx>
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#endif
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#ifndef _SV_WINDOW_HXX
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#include <vcl/window.hxx>
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#endif
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#ifndef _SV_BITMAPEX_HXX
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#include <vcl/bitmapex.hxx>
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#endif
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#ifndef _SV_BMPACC_HXX
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#include <vcl/bmpacc.hxx>
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#endif
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#ifndef _VCL_CANVASTOOLS_HXX
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#include <vcl/canvastools.hxx>
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#endif
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#ifndef _BGFX_MATRIX_B2DHOMMATRIX_HXX
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#include <basegfx/matrix/b2dhommatrix.hxx>
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#endif
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#ifndef _BGFX_RANGE_B2DRECTANGLE_HXX
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#include <basegfx/range/b2drectangle.hxx>
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#endif
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#ifndef _BGFX_POINT_B2DPOINT_HXX
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#include <basegfx/point/b2dpoint.hxx>
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#endif
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#ifndef _BGFX_POLYGON_B2DPOLYGON_HXX
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#include <basegfx/polygon/b2dpolygon.hxx>
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#endif
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#ifndef _BGFX_TOOLS_CANVASTOOLS_HXX
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#include <basegfx/tools/canvastools.hxx>
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#endif
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#ifndef _BGFX_NUMERIC_FTOOLS_HXX
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#include <basegfx/numeric/ftools.hxx>
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#endif
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#include <utility>
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#include <canvas/canvastools.hxx>
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#include "textlayout.hxx"
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#include "parametricpolypolygon.hxx"
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#include "canvashelper.hxx"
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#include "canvasbitmap.hxx"
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#include "impltools.hxx"
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#include "canvasfont.hxx"
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using namespace ::com::sun::star;
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namespace vclcanvas
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{
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CanvasHelper::CanvasHelper() :
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mxDevice(),
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mpProtectedOutDev(),
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mpOutDev(),
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mp2ndOutDev()
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{
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}
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void CanvasHelper::disposing()
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{
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mxDevice.reset();
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mpProtectedOutDev.reset();
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mpOutDev.reset();
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mp2ndOutDev.reset();
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}
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void CanvasHelper::setGraphicDevice( const WindowGraphicDevice::ImplRef& rDevice )
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{
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mxDevice = rDevice;
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}
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void CanvasHelper::setOutDev( const OutDevProviderSharedPtr& rOutDev, bool bProtect )
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{
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mpOutDev = rOutDev;
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if( bProtect )
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mpProtectedOutDev = rOutDev;
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}
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void CanvasHelper::setBackgroundOutDev( const OutDevProviderSharedPtr& rOutDev )
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{
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mp2ndOutDev = rOutDev;
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}
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void SAL_CALL CanvasHelper::drawPoint( const geometry::RealPoint2D& aPoint,
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const rendering::ViewState& viewState,
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const rendering::RenderState& renderState )
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{
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// are we disposed?
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if( mpOutDev.get() )
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{
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// nope, render
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tools::OutDevStateKeeper aStateKeeper( mpProtectedOutDev );
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setupOutDevState( viewState, renderState, LINE_COLOR );
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const Point aOutPoint( tools::mapRealPoint2D( aPoint,
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viewState, renderState ) );
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// TODO(F1): alpha
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mpOutDev->getOutDev().DrawPixel( aOutPoint );
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if( mp2ndOutDev.get() )
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mp2ndOutDev->getOutDev().DrawPixel( aOutPoint );
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}
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}
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void SAL_CALL CanvasHelper::drawLine( const geometry::RealPoint2D& aStartRealPoint2D,
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const geometry::RealPoint2D& aEndRealPoint2D,
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const rendering::ViewState& viewState,
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const rendering::RenderState& renderState )
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{
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// are we disposed?
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if( mpOutDev.get() )
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{
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// nope, render
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tools::OutDevStateKeeper aStateKeeper( mpProtectedOutDev );
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setupOutDevState( viewState, renderState, LINE_COLOR );
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const Point aStartPoint( tools::mapRealPoint2D( aStartRealPoint2D,
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viewState, renderState ) );
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const Point aEndPoint( tools::mapRealPoint2D( aEndRealPoint2D,
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viewState, renderState ) );
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// TODO(F2): alpha
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mpOutDev->getOutDev().DrawLine( aStartPoint, aEndPoint );
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if( mp2ndOutDev.get() )
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mp2ndOutDev->getOutDev().DrawLine( aStartPoint, aEndPoint );
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}
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}
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void SAL_CALL CanvasHelper::drawBezier( const geometry::RealBezierSegment2D& aBezierSegment,
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const geometry::RealPoint2D& _aEndPoint,
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const rendering::ViewState& viewState,
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const rendering::RenderState& renderState )
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{
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if( mpOutDev.get() )
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{
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tools::OutDevStateKeeper aStateKeeper( mpProtectedOutDev );
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setupOutDevState( viewState, renderState, LINE_COLOR );
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const Point aStartPoint( tools::mapRealPoint2D( geometry::RealPoint2D(aBezierSegment.Px, aBezierSegment.Py),
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viewState, renderState ) );
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const Point aEndPoint( tools::mapRealPoint2D( _aEndPoint,
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viewState, renderState ) );
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// TODO(F1): Provide true beziers here!
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// TODO(F2): alpha
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mpOutDev->getOutDev().DrawLine( aStartPoint, aEndPoint );
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if( mp2ndOutDev.get() )
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mp2ndOutDev->getOutDev().DrawLine( aStartPoint, aEndPoint );
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}
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}
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uno::Reference< rendering::XCachedPrimitive > SAL_CALL CanvasHelper::drawPolyPolygon( const uno::Reference< rendering::XPolyPolygon2D >& xPolyPolygon,
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const rendering::ViewState& viewState,
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const rendering::RenderState& renderState )
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{
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CHECK_AND_THROW( xPolyPolygon.is(),
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"CanvasHelper::drawPolyPolygon(): polygon is NULL");
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if( mpOutDev.get() )
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{
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tools::OutDevStateKeeper aStateKeeper( mpProtectedOutDev );
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setupOutDevState( viewState, renderState, LINE_COLOR );
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const PolyPolygon aPolyPoly( tools::mapPolyPolygon( tools::polyPolygonFromXPolyPolygon2D(xPolyPolygon),
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viewState, renderState ) );
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mpOutDev->getOutDev().DrawPolyPolygon( aPolyPoly );
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if( mp2ndOutDev.get() )
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mp2ndOutDev->getOutDev().DrawPolyPolygon( aPolyPoly );
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}
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// TODO(P1): Provide caching here.
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return uno::Reference< rendering::XCachedPrimitive >(NULL);
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}
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uno::Reference< rendering::XCachedPrimitive > SAL_CALL CanvasHelper::strokePolyPolygon( const uno::Reference< rendering::XPolyPolygon2D >& xPolyPolygon,
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const rendering::ViewState& viewState,
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const rendering::RenderState& renderState,
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const rendering::StrokeAttributes& strokeAttributes )
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{
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return uno::Reference< rendering::XCachedPrimitive >(NULL);
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}
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uno::Reference< rendering::XCachedPrimitive > SAL_CALL CanvasHelper::strokeTexturedPolyPolygon( const uno::Reference< rendering::XPolyPolygon2D >& xPolyPolygon,
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const rendering::ViewState& viewState,
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const rendering::RenderState& renderState,
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const uno::Sequence< rendering::Texture >& textures,
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const rendering::StrokeAttributes& strokeAttributes )
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{
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return uno::Reference< rendering::XCachedPrimitive >(NULL);
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}
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uno::Reference< rendering::XCachedPrimitive > SAL_CALL CanvasHelper::strokeTextureMappedPolyPolygon( const uno::Reference< rendering::XPolyPolygon2D >& xPolyPolygon,
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const rendering::ViewState& viewState,
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const rendering::RenderState& renderState,
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const uno::Sequence< rendering::Texture >& textures,
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const uno::Reference< geometry::XMapping2D >& xMapping,
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const rendering::StrokeAttributes& strokeAttributes )
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{
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return uno::Reference< rendering::XCachedPrimitive >(NULL);
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}
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uno::Reference< rendering::XPolyPolygon2D > SAL_CALL CanvasHelper::queryStrokeShapes( const uno::Reference< rendering::XPolyPolygon2D >& xPolyPolygon,
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const rendering::ViewState& viewState,
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const rendering::RenderState& renderState,
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const rendering::StrokeAttributes& strokeAttributes )
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{
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return uno::Reference< rendering::XPolyPolygon2D >(NULL);
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}
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uno::Reference< rendering::XCachedPrimitive > SAL_CALL CanvasHelper::fillPolyPolygon( const uno::Reference< rendering::XPolyPolygon2D >& xPolyPolygon,
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const rendering::ViewState& viewState,
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const rendering::RenderState& renderState )
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{
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CHECK_AND_THROW( xPolyPolygon.is(),
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"CanvasHelper::fillPolyPolygon(): polygon is NULL");
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if( mpOutDev.get() )
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{
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tools::OutDevStateKeeper aStateKeeper( mpProtectedOutDev );
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const int nTransparency( setupOutDevState( viewState, renderState, FILL_COLOR ) );
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const int nTransPercent( (nTransparency * 100 + 128) / 255 ); // normal rounding, no truncation here
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const PolyPolygon aPolyPoly( tools::mapPolyPolygon( tools::polyPolygonFromXPolyPolygon2D(xPolyPolygon),
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viewState, renderState ) );
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if( !nTransparency )
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mpOutDev->getOutDev().DrawPolyPolygon( aPolyPoly );
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else
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mpOutDev->getOutDev().DrawTransparent( aPolyPoly, nTransPercent );
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if( mp2ndOutDev.get() )
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{
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if( !nTransparency )
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mp2ndOutDev->getOutDev().DrawPolyPolygon( aPolyPoly );
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else
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mp2ndOutDev->getOutDev().DrawTransparent( aPolyPoly, nTransPercent );
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}
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}
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// TODO(P1): Provide caching here.
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return uno::Reference< rendering::XCachedPrimitive >(NULL);
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}
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uno::Reference< rendering::XCachedPrimitive > SAL_CALL CanvasHelper::fillTexturedPolyPolygon( const uno::Reference< rendering::XPolyPolygon2D >& xPolyPolygon,
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const rendering::ViewState& viewState,
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const rendering::RenderState& renderState,
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const uno::Sequence< rendering::Texture >& textures )
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{
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CHECK_AND_THROW( xPolyPolygon.is(),
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"CanvasHelper::fillPolyPolygon(): polygon is NULL");
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CHECK_AND_THROW( textures.getLength(),
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"CanvasHelper::fillTexturedPolyPolygon: empty texture sequence");
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if( mpOutDev.get() )
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{
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tools::OutDevStateKeeper aStateKeeper( mpProtectedOutDev );
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const int nTransparency( setupOutDevState( viewState, renderState, IGNORE_COLOR ) );
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const PolyPolygon aPolyPoly( tools::mapPolyPolygon( tools::polyPolygonFromXPolyPolygon2D(xPolyPolygon),
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viewState, renderState ) );
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// TODO(F1): Multi-texturing
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if( textures[0].Gradient.is() )
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{
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uno::Reference< lang::XServiceInfo > xRef( textures[0].Gradient,
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uno::UNO_QUERY );
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if( xRef.is() &&
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xRef->getImplementationName().equals(
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::rtl::OUString(
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RTL_CONSTASCII_USTRINGPARAM(
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PARAMETRICPOLYPOLYGON_IMPLEMENTATION_NAME))) )
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{
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// TODO(Q1): Maybe use dynamic_cast here
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// TODO(E1): Return value
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// TODO(F1): FillRule
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static_cast<ParametricPolyPolygon*>(textures[0].Gradient.get())->fill(
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mpOutDev->getOutDev(),
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mp2ndOutDev.get() ? &mp2ndOutDev->getOutDev() : (OutputDevice*)NULL,
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aPolyPoly,
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viewState,
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renderState,
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textures[0],
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nTransparency );
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}
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}
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}
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// TODO(P1): Provide caching here.
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return uno::Reference< rendering::XCachedPrimitive >(NULL);
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}
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uno::Reference< rendering::XCachedPrimitive > SAL_CALL CanvasHelper::fillTextureMappedPolyPolygon( const uno::Reference< rendering::XPolyPolygon2D >& xPolyPolygon,
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const rendering::ViewState& viewState,
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const rendering::RenderState& renderState,
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const uno::Sequence< rendering::Texture >& textures,
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const uno::Reference< geometry::XMapping2D >& xMapping )
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{
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return uno::Reference< rendering::XCachedPrimitive >(NULL);
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}
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uno::Reference< rendering::XCanvasFont > SAL_CALL CanvasHelper::createFont( const rendering::FontRequest& fontRequest,
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const uno::Sequence< beans::PropertyValue >& extraFontProperties,
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const geometry::Matrix2D& fontMatrix )
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{
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if( mpOutDev.get() )
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{
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// TODO(F2): font properties and font matrix
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return uno::Reference< rendering::XCanvasFont >(
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new CanvasFont(fontRequest, extraFontProperties, fontMatrix, mpOutDev) );
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}
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return uno::Reference< rendering::XCanvasFont >();
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}
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uno::Sequence< rendering::FontInfo > SAL_CALL CanvasHelper::queryAvailableFonts( const rendering::FontInfo& aFilter,
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const uno::Sequence< beans::PropertyValue >& aFontProperties )
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{
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// TODO
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return uno::Sequence< rendering::FontInfo >();
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}
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uno::Reference< rendering::XCachedPrimitive > SAL_CALL CanvasHelper::drawText( const rendering::StringContext& text,
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const uno::Reference< rendering::XCanvasFont >& xFont,
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const rendering::ViewState& viewState,
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const rendering::RenderState& renderState,
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sal_Int8 textDirection )
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{
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CHECK_AND_THROW( xFont.is(),
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"CanvasHelper::drawText(): font is NULL");
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if( mpOutDev.get() )
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{
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tools::OutDevStateKeeper aStateKeeper( mpProtectedOutDev );
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::Point aOutpos;
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if( !setupTextOutput( aOutpos, viewState, renderState, xFont ) )
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return uno::Reference< rendering::XCachedPrimitive >(NULL); // no output necessary
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// change text direction and layout mode
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ULONG nLayoutMode(0);
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switch( textDirection )
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{
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case rendering::TextDirection::WEAK_LEFT_TO_RIGHT:
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nLayoutMode |= TEXT_LAYOUT_BIDI_LTR;
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// FALLTHROUGH intended
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case rendering::TextDirection::STRONG_LEFT_TO_RIGHT:
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nLayoutMode |= TEXT_LAYOUT_BIDI_LTR | TEXT_LAYOUT_BIDI_STRONG;
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nLayoutMode |= TEXT_LAYOUT_TEXTORIGIN_LEFT;
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break;
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case rendering::TextDirection::WEAK_RIGHT_TO_LEFT:
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nLayoutMode |= TEXT_LAYOUT_BIDI_RTL;
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// FALLTHROUGH intended
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case rendering::TextDirection::STRONG_RIGHT_TO_LEFT:
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nLayoutMode |= TEXT_LAYOUT_BIDI_RTL | TEXT_LAYOUT_BIDI_STRONG;
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nLayoutMode |= TEXT_LAYOUT_TEXTORIGIN_RIGHT;
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break;
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}
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// TODO(F2): alpha
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mpOutDev->getOutDev().SetLayoutMode( nLayoutMode );
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mpOutDev->getOutDev().DrawText( aOutpos,
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text.Text,
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::canvas::tools::numeric_cast<USHORT>(text.StartPosition),
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::canvas::tools::numeric_cast<USHORT>(text.Length) );
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if( mp2ndOutDev.get() )
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{
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mp2ndOutDev->getOutDev().SetLayoutMode( nLayoutMode );
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mp2ndOutDev->getOutDev().DrawText( aOutpos,
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text.Text,
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::canvas::tools::numeric_cast<USHORT>(text.StartPosition),
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::canvas::tools::numeric_cast<USHORT>(text.Length) );
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}
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}
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return uno::Reference< rendering::XCachedPrimitive >(NULL);
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}
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uno::Reference< rendering::XCachedPrimitive > SAL_CALL CanvasHelper::drawTextLayout( const uno::Reference< rendering::XTextLayout >& xLayoutedText,
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const rendering::ViewState& viewState,
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const rendering::RenderState& renderState )
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{
|
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CHECK_AND_THROW( xLayoutedText.is(),
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"CanvasHelper::drawTextLayout(): layout is NULL");
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|
|
uno::Reference< lang::XServiceInfo > xRef( xLayoutedText,
|
|
uno::UNO_QUERY );
|
|
|
|
TextLayout* pTextLayout = NULL;
|
|
|
|
if( xRef.is() &&
|
|
xRef->getImplementationName().equals( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(TEXTLAYOUT_IMPLEMENTATION_NAME))) )
|
|
{
|
|
// TODO(P2): Maybe use dynamic_cast here (saves us a queryInterface)
|
|
pTextLayout = static_cast<TextLayout*>(xLayoutedText.get());
|
|
}
|
|
else
|
|
{
|
|
CHECK_AND_THROW( false,
|
|
"CanvasHelper::drawTextLayout(): TextLayout not compatible with this canvas" );
|
|
}
|
|
|
|
if( mpOutDev.get() )
|
|
{
|
|
tools::OutDevStateKeeper aStateKeeper( mpProtectedOutDev );
|
|
|
|
::Point aOutpos;
|
|
if( !setupTextOutput( aOutpos, viewState, renderState, xLayoutedText->getFont() ) )
|
|
return uno::Reference< rendering::XCachedPrimitive >(NULL); // no output necessary
|
|
|
|
// TODO(F2): What about the offset scalings?
|
|
// TODO(F2): alpha
|
|
pTextLayout->draw( mpOutDev->getOutDev(), aOutpos, viewState, renderState );
|
|
|
|
if( mp2ndOutDev.get() )
|
|
pTextLayout->draw( mp2ndOutDev->getOutDev(), aOutpos, viewState, renderState );
|
|
}
|
|
|
|
return uno::Reference< rendering::XCachedPrimitive >(NULL);
|
|
}
|
|
|
|
uno::Reference< rendering::XCachedPrimitive > SAL_CALL CanvasHelper::drawBitmap( const uno::Reference< rendering::XBitmap >& xBitmap,
|
|
const rendering::ViewState& viewState,
|
|
const rendering::RenderState& renderState )
|
|
{
|
|
CHECK_AND_THROW( xBitmap.is(),
|
|
"CanvasHelper::drawBitmap(): bitmap is NULL");
|
|
|
|
if( mpOutDev.get() )
|
|
{
|
|
tools::OutDevStateKeeper aStateKeeper( mpProtectedOutDev );
|
|
|
|
setupOutDevState( viewState, renderState, IGNORE_COLOR );
|
|
|
|
::basegfx::B2DHomMatrix aMatrix;
|
|
::canvas::tools::mergeViewAndRenderTransform(aMatrix, viewState, renderState);
|
|
|
|
::basegfx::B2DPoint aOutputPos( 0.0, 0.0 );
|
|
aOutputPos *= aMatrix;
|
|
|
|
BitmapEx aBmpEx;
|
|
|
|
if( !aMatrix.isIdentity() &&
|
|
(!::basegfx::fTools::equalZero( aMatrix.get(0,1) ) ||
|
|
!::basegfx::fTools::equalZero( aMatrix.get(1,0) )) )
|
|
{
|
|
const BitmapEx& rBmpEx( tools::bitmapExFromXBitmap(xBitmap) );
|
|
|
|
// modify output position, to account for the fact
|
|
// that transformBitmap() always normalizes its output
|
|
// bitmap into the smallest enclosing box.
|
|
const Size aBmpSize( rBmpEx.GetSizePixel() );
|
|
::basegfx::B2DRectangle aDestRect;
|
|
::canvas::tools::calcTransformedRectBounds( aDestRect,
|
|
::basegfx::B2DRectangle(0,
|
|
0,
|
|
aBmpSize.Width(),
|
|
aBmpSize.Height()),
|
|
aMatrix );
|
|
|
|
aOutputPos.setX( aDestRect.getMinX() );
|
|
aOutputPos.setY( aDestRect.getMinY() );
|
|
|
|
// complex transformation, use generic affine bitmap
|
|
// transformation
|
|
aBmpEx = tools::transformBitmap( rBmpEx,
|
|
viewState, renderState );
|
|
}
|
|
else if( !aMatrix.isIdentity() &&
|
|
(!::rtl::math::approxEqual(aMatrix.get(0,0), 1.0) ||
|
|
!::rtl::math::approxEqual(aMatrix.get(1,1), 1.0)) )
|
|
{
|
|
// optimized case 2: only scale changes, use available
|
|
// OutputDevice methods
|
|
aBmpEx = tools::bitmapExFromXBitmap(xBitmap);
|
|
|
|
::Size aOutputSize( aBmpEx.GetSizePixel() );
|
|
aOutputSize.setWidth ( ::basegfx::fround( aOutputSize.getWidth() * aMatrix.get(0,0) ) );
|
|
aOutputSize.setHeight( ::basegfx::fround( aOutputSize.getHeight() * aMatrix.get(1,1) ) );
|
|
|
|
mpOutDev->getOutDev().DrawBitmapEx( ::vcl::unotools::pointFromB2DPoint( aOutputPos ),
|
|
aOutputSize,
|
|
aBmpEx );
|
|
|
|
if( mp2ndOutDev.get() )
|
|
mp2ndOutDev->getOutDev().DrawBitmapEx( ::vcl::unotools::pointFromB2DPoint( aOutputPos ),
|
|
aOutputSize,
|
|
aBmpEx );
|
|
|
|
// TODO(P1): Provide caching here.
|
|
return uno::Reference< rendering::XCachedPrimitive >(NULL);
|
|
}
|
|
else
|
|
{
|
|
// optimized case: identity matrix, or only
|
|
// translational components.
|
|
aBmpEx = tools::bitmapExFromXBitmap(xBitmap);
|
|
}
|
|
|
|
mpOutDev->getOutDev().DrawBitmapEx( ::vcl::unotools::pointFromB2DPoint( aOutputPos ),
|
|
aBmpEx );
|
|
|
|
if( mp2ndOutDev.get() )
|
|
mp2ndOutDev->getOutDev().DrawBitmapEx( ::vcl::unotools::pointFromB2DPoint( aOutputPos ),
|
|
aBmpEx );
|
|
}
|
|
|
|
// TODO(P1): Provide caching here.
|
|
return uno::Reference< rendering::XCachedPrimitive >(NULL);
|
|
}
|
|
|
|
uno::Reference< rendering::XCachedPrimitive > SAL_CALL CanvasHelper::drawBitmapModulated( const uno::Reference< rendering::XBitmap >& xBitmap,
|
|
const rendering::ViewState& viewState,
|
|
const rendering::RenderState& renderState )
|
|
{
|
|
CHECK_AND_THROW( xBitmap.is(),
|
|
"CanvasHelper::drawBitmap(): bitmap is NULL");
|
|
|
|
// no color set -> this is equivalent to a plain drawBitmap(), then
|
|
if( renderState.DeviceColor.getLength() < 3 )
|
|
return drawBitmap( xBitmap, viewState, renderState );
|
|
|
|
if( mpOutDev.get() )
|
|
{
|
|
tools::OutDevStateKeeper aStateKeeper( mpProtectedOutDev );
|
|
|
|
setupOutDevState( viewState, renderState, IGNORE_COLOR );
|
|
|
|
::basegfx::B2DHomMatrix aMatrix;
|
|
::canvas::tools::mergeViewAndRenderTransform(aMatrix, viewState, renderState);
|
|
|
|
::basegfx::B2DPoint aOutputPos( 0.0, 0.0 );
|
|
aOutputPos *= aMatrix;
|
|
|
|
BitmapEx aBmpEx;
|
|
|
|
// TODO(P1): Have an optimized path for identity transform
|
|
// and color modulation
|
|
|
|
// always call transformBitmap, have to modulate colors
|
|
aBmpEx = tools::transformBitmap( tools::bitmapExFromXBitmap(xBitmap),
|
|
viewState, renderState,
|
|
tools::MODULATE_WITH_DEVICECOLOR );
|
|
|
|
mpOutDev->getOutDev().DrawBitmapEx( ::vcl::unotools::pointFromB2DPoint( aOutputPos ),
|
|
aBmpEx );
|
|
|
|
if( mp2ndOutDev.get() )
|
|
mp2ndOutDev->getOutDev().DrawBitmapEx( ::vcl::unotools::pointFromB2DPoint( aOutputPos ),
|
|
aBmpEx );
|
|
}
|
|
|
|
// TODO(P1): Provide caching here.
|
|
return uno::Reference< rendering::XCachedPrimitive >(NULL);
|
|
}
|
|
|
|
uno::Reference< rendering::XGraphicDevice > SAL_CALL CanvasHelper::getDevice()
|
|
{
|
|
return mxDevice.get();
|
|
}
|
|
|
|
void SAL_CALL CanvasHelper::copyRect( const uno::Reference< rendering::XBitmapCanvas >& sourceCanvas,
|
|
const geometry::RealRectangle2D& sourceRect,
|
|
const rendering::ViewState& sourceViewState,
|
|
const rendering::RenderState& sourceRenderState,
|
|
const geometry::RealRectangle2D& destRect,
|
|
const rendering::ViewState& destViewState,
|
|
const rendering::RenderState& destRenderState )
|
|
{
|
|
// TODO(F1)
|
|
}
|
|
|
|
geometry::IntegerSize2D SAL_CALL CanvasHelper::getSize()
|
|
{
|
|
if( !mpOutDev.get() )
|
|
return geometry::IntegerSize2D(); // we're disposed
|
|
|
|
return ::vcl::unotools::integerSize2DFromSize( mpOutDev->getOutDev().GetOutputSizePixel() );
|
|
}
|
|
|
|
uno::Reference< rendering::XBitmap > SAL_CALL CanvasHelper::getScaledBitmap( const geometry::RealSize2D& newSize,
|
|
sal_Bool beFast )
|
|
{
|
|
if( !mpOutDev.get() )
|
|
return uno::Reference< rendering::XBitmap >(); // we're disposed
|
|
|
|
// TODO(F2): Support alpha vdev canvas here
|
|
const Point aEmptyPoint(0,0);
|
|
const Size aBmpSize( mpOutDev->getOutDev().GetOutputSizePixel() );
|
|
|
|
Bitmap aBitmap( mpOutDev->getOutDev().GetBitmap(aEmptyPoint, aBmpSize) );
|
|
|
|
aBitmap.Scale( ::vcl::unotools::sizeFromRealSize2D(newSize),
|
|
beFast ? BMP_SCALE_FAST : BMP_SCALE_INTERPOLATE );
|
|
|
|
return uno::Reference< rendering::XBitmap >( new CanvasBitmap( aBitmap,
|
|
mxDevice ) );
|
|
}
|
|
|
|
uno::Sequence< sal_Int8 > SAL_CALL CanvasHelper::getData( const geometry::IntegerRectangle2D& rect )
|
|
{
|
|
if( !mpOutDev.get() )
|
|
return uno::Sequence< sal_Int8 >(); // we're disposed
|
|
|
|
// TODO(F2): Support alpha canvas here
|
|
const Rectangle aRect( ::vcl::unotools::rectangleFromIntegerRectangle2D(rect) );
|
|
|
|
Bitmap aBitmap( mpOutDev->getOutDev().GetBitmap(aRect.TopLeft(),
|
|
aRect.GetSize()) );
|
|
|
|
ScopedBitmapReadAccess pReadAccess( aBitmap.AcquireReadAccess(),
|
|
aBitmap );
|
|
|
|
if( pReadAccess.get() != NULL )
|
|
{
|
|
// TODO(F1): Support more formats.
|
|
const sal_Int32 nWidth( rect.X2 - rect.X1 );
|
|
const sal_Int32 nHeight( rect.Y2 - rect.Y1 );
|
|
|
|
// for the time being, always return as BGRA
|
|
uno::Sequence< sal_Int8 > aRes( 4*nWidth*nHeight );
|
|
|
|
int nCurrPos(0);
|
|
for( int y=0; y<nHeight; ++y )
|
|
{
|
|
for( int x=0; x<nWidth; ++x )
|
|
{
|
|
aRes[ nCurrPos++ ] = pReadAccess->GetColor( y, x ).GetBlue();
|
|
aRes[ nCurrPos++ ] = pReadAccess->GetColor( y, x ).GetGreen();
|
|
aRes[ nCurrPos++ ] = pReadAccess->GetColor( y, x ).GetRed();
|
|
aRes[ nCurrPos++ ] = (sal_Int8)255L;
|
|
}
|
|
}
|
|
|
|
return aRes;
|
|
}
|
|
|
|
return uno::Sequence< sal_Int8 >();
|
|
}
|
|
|
|
void SAL_CALL CanvasHelper::setData( const uno::Sequence< sal_Int8 >& data,
|
|
const geometry::IntegerRectangle2D& rect )
|
|
{
|
|
if( !mpOutDev.get() )
|
|
return; // we're disposed
|
|
|
|
OutputDevice& rOutDev( mpOutDev->getOutDev() );
|
|
|
|
const Rectangle aRect( ::vcl::unotools::rectangleFromIntegerRectangle2D(rect) );
|
|
const USHORT nBitCount( ::std::min( (USHORT)24U,
|
|
(USHORT)rOutDev.GetBitCount() ) );
|
|
const BitmapPalette* pPalette = NULL;
|
|
|
|
if( nBitCount <= 8 )
|
|
{
|
|
// TODO(Q1): Extract this to a common place, e.g. GraphicDevice
|
|
|
|
// try to determine palette from output device (by
|
|
// extracting a 1,1 bitmap, and querying it)
|
|
const Point aEmptyPoint;
|
|
const Size aSize(1,1);
|
|
Bitmap aTmpBitmap( rOutDev.GetBitmap( aEmptyPoint,
|
|
aSize ) );
|
|
|
|
ScopedBitmapReadAccess pReadAccess( aTmpBitmap.AcquireReadAccess(),
|
|
aTmpBitmap );
|
|
|
|
pPalette = &pReadAccess->GetPalette();
|
|
}
|
|
|
|
// TODO(F2): Support alpha canvas here
|
|
Bitmap aBitmap( aRect.GetSize(), nBitCount, pPalette );
|
|
|
|
bool bCopyBack( false ); // only copy something back, if we
|
|
// actually changed some pixel
|
|
|
|
{
|
|
ScopedBitmapWriteAccess pWriteAccess( aBitmap.AcquireWriteAccess(),
|
|
aBitmap );
|
|
|
|
if( pWriteAccess.get() != NULL )
|
|
{
|
|
// for the time being, always read as BGRA
|
|
const sal_Int32 nWidth( rect.X2 - rect.X1 );
|
|
const sal_Int32 nHeight( rect.Y2 - rect.Y1 );
|
|
int x, y, nCurrPos(0);
|
|
for( y=0; y<nHeight; ++y )
|
|
{
|
|
switch( pWriteAccess->GetScanlineFormat() )
|
|
{
|
|
case BMP_FORMAT_8BIT_PAL:
|
|
{
|
|
Scanline pScan = pWriteAccess->GetScanline( y );
|
|
|
|
for( x=0; x<nWidth; ++x )
|
|
{
|
|
*pScan++ = (BYTE)pWriteAccess->GetBestPaletteIndex(
|
|
BitmapColor( data[ nCurrPos+2 ],
|
|
data[ nCurrPos+1 ],
|
|
data[ nCurrPos ] ) );
|
|
|
|
nCurrPos += 4; // skip three colors, _plus_ alpha
|
|
}
|
|
}
|
|
break;
|
|
|
|
case BMP_FORMAT_24BIT_TC_BGR:
|
|
{
|
|
Scanline pScan = pWriteAccess->GetScanline( y );
|
|
|
|
for( x=0; x<nWidth; ++x )
|
|
{
|
|
Scanline pTmp = pScan + x * 3;
|
|
|
|
*pScan++ = data[ nCurrPos ];
|
|
*pScan++ = data[ nCurrPos+1 ];
|
|
*pScan++ = data[ nCurrPos+2 ];
|
|
|
|
nCurrPos += 4; // skip three colors, _plus_ alpha
|
|
}
|
|
}
|
|
break;
|
|
|
|
case BMP_FORMAT_24BIT_TC_RGB:
|
|
{
|
|
Scanline pScan = pWriteAccess->GetScanline( y );
|
|
|
|
for( x=0; x<nWidth; ++x )
|
|
{
|
|
Scanline pTmp = pScan + x * 3;
|
|
|
|
*pScan++ = data[ nCurrPos+2 ];
|
|
*pScan++ = data[ nCurrPos+1 ];
|
|
*pScan++ = data[ nCurrPos ];
|
|
|
|
nCurrPos += 4; // skip three colors, _plus_ alpha
|
|
}
|
|
}
|
|
break;
|
|
|
|
default:
|
|
{
|
|
for( x=0; x<nWidth; ++x )
|
|
{
|
|
pWriteAccess->SetPixel( y, x, BitmapColor( data[ nCurrPos+2 ],
|
|
data[ nCurrPos+1 ],
|
|
data[ nCurrPos ] ) );
|
|
nCurrPos += 4; // skip three colors, _plus_ alpha
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
bCopyBack = true;
|
|
}
|
|
}
|
|
|
|
// copy back only here, since the BitmapAccessors must be
|
|
// destroyed beforehand
|
|
if( bCopyBack )
|
|
{
|
|
tools::OutDevStateKeeper aStateKeeper( mpProtectedOutDev );
|
|
|
|
// TODO(F2): Support alpha canvas here
|
|
rOutDev.EnableMapMode( FALSE );
|
|
rOutDev.DrawBitmap(aRect.TopLeft(), aBitmap);
|
|
}
|
|
}
|
|
|
|
void SAL_CALL CanvasHelper::setPixel( const uno::Sequence< sal_Int8 >& color,
|
|
const geometry::IntegerPoint2D& pos )
|
|
{
|
|
if( !mpOutDev.get() )
|
|
return; // we're disposed
|
|
|
|
OutputDevice& rOutDev( mpOutDev->getOutDev() );
|
|
|
|
const Size aBmpSize( rOutDev.GetOutputSizePixel() );
|
|
|
|
CHECK_AND_THROW( pos.X >= 0 && pos.X < aBmpSize.Width(),
|
|
"CanvasHelper::setPixel: X coordinate out of bounds" );
|
|
CHECK_AND_THROW( pos.Y >= 0 && pos.Y < aBmpSize.Height(),
|
|
"CanvasHelper::setPixel: Y coordinate out of bounds" );
|
|
CHECK_AND_THROW( color.getLength() > 3,
|
|
"CanvasHelper::setPixel: not enough color components" );
|
|
|
|
tools::OutDevStateKeeper aStateKeeper( mpProtectedOutDev );
|
|
|
|
rOutDev.EnableMapMode( FALSE );
|
|
|
|
// TODO(F2): Support alpha canvas here
|
|
rOutDev.DrawPixel( ::vcl::unotools::pointFromIntegerPoint2D( pos ),
|
|
::vcl::unotools::sequenceToColor(
|
|
mxDevice.getRef(),
|
|
color ) );
|
|
}
|
|
|
|
uno::Sequence< sal_Int8 > SAL_CALL CanvasHelper::getPixel( const geometry::IntegerPoint2D& pos )
|
|
{
|
|
if( !mpOutDev.get() )
|
|
return uno::Sequence< sal_Int8 >(); // we're disposed
|
|
|
|
OutputDevice& rOutDev( mpOutDev->getOutDev() );
|
|
|
|
const Size aBmpSize( rOutDev.GetOutputSizePixel() );
|
|
|
|
CHECK_AND_THROW( pos.X >= 0 && pos.X < aBmpSize.Width(),
|
|
"CanvasHelper::getPixel: X coordinate out of bounds" );
|
|
CHECK_AND_THROW( pos.Y >= 0 && pos.Y < aBmpSize.Height(),
|
|
"CanvasHelper::getPixel: Y coordinate out of bounds" );
|
|
|
|
tools::OutDevStateKeeper aStateKeeper( mpProtectedOutDev );
|
|
|
|
rOutDev.EnableMapMode( FALSE );
|
|
|
|
// TODO(F2): Support alpha canvas here
|
|
return ::vcl::unotools::colorToIntSequence( mxDevice.getRef(),
|
|
rOutDev.GetPixel(
|
|
::vcl::unotools::pointFromIntegerPoint2D( pos ) ) );
|
|
}
|
|
|
|
uno::Reference< rendering::XBitmapPalette > SAL_CALL CanvasHelper::getPalette()
|
|
{
|
|
// TODO(F1): Provide palette support
|
|
return uno::Reference< rendering::XBitmapPalette >();
|
|
}
|
|
|
|
rendering::IntegerBitmapLayout SAL_CALL CanvasHelper::getMemoryLayout()
|
|
{
|
|
// TODO(F1): finish that one
|
|
rendering::IntegerBitmapLayout aLayout;
|
|
|
|
if( !mpOutDev.get() )
|
|
return aLayout; // we're disposed
|
|
|
|
const Size aBmpSize( mpOutDev->getOutDev().GetOutputSizePixel() );
|
|
|
|
aLayout.ScanLines = aBmpSize.Height();
|
|
aLayout.ScanLineBytes = aBmpSize.Width()*4;
|
|
aLayout.ScanLineStride = aLayout.ScanLineBytes;
|
|
aLayout.Format = 0;
|
|
aLayout.NumComponents = 4;
|
|
aLayout.ComponentMasks = uno::Sequence<sal_Int64>();
|
|
aLayout.Endianness = 0;
|
|
aLayout.IsPseudoColor = false;
|
|
|
|
return aLayout;
|
|
}
|
|
|
|
int CanvasHelper::setupOutDevState( const rendering::ViewState& viewState,
|
|
const rendering::RenderState& renderState,
|
|
ColorType eColorType )
|
|
{
|
|
ENSURE_AND_THROW( mpOutDev.get(),
|
|
"CanvasHelper::setupOutDevState(): outdev null. Are we disposed?" );
|
|
|
|
OutputDevice& rOutDev( mpOutDev->getOutDev() );
|
|
OutputDevice* p2ndOutDev = NULL;
|
|
|
|
if( mp2ndOutDev.get() )
|
|
p2ndOutDev = &mp2ndOutDev->getOutDev();
|
|
|
|
int nTransparency(0);
|
|
|
|
// TODO(P2): Don't change clipping all the time, maintain current clip
|
|
// state and change only when update is necessary
|
|
|
|
// accumulate non-empty clips into one region
|
|
// ==========================================
|
|
|
|
Region aClipRegion;
|
|
|
|
if( viewState.Clip.is() )
|
|
{
|
|
::basegfx::B2DPolyPolygon aClipPoly(
|
|
tools::polyPolygonFromXPolyPolygon2D(
|
|
viewState.Clip) );
|
|
|
|
if( aClipPoly.count() )
|
|
{
|
|
// setup non-empty clipping
|
|
::basegfx::B2DHomMatrix aMatrix;
|
|
aClipPoly.transform(
|
|
::basegfx::unotools::homMatrixFromAffineMatrix( aMatrix,
|
|
viewState.AffineTransform ) );
|
|
|
|
aClipRegion = Region::GetRegionFromPolyPolygon( ::PolyPolygon( aClipPoly ) );
|
|
}
|
|
}
|
|
|
|
if( renderState.Clip.is() )
|
|
{
|
|
::basegfx::B2DPolyPolygon aClipPoly(
|
|
tools::polyPolygonFromXPolyPolygon2D(
|
|
renderState.Clip) );
|
|
|
|
::basegfx::B2DHomMatrix aMatrix;
|
|
aClipPoly.transform(
|
|
::canvas::tools::mergeViewAndRenderTransform( aMatrix,
|
|
viewState,
|
|
renderState ) );
|
|
|
|
if( aClipPoly.count() )
|
|
{
|
|
// setup non-empty clipping
|
|
Region aRegion = Region::GetRegionFromPolyPolygon( ::PolyPolygon( aClipPoly ) );
|
|
|
|
if( aClipRegion.IsEmpty() )
|
|
aClipRegion = aRegion;
|
|
else
|
|
aClipRegion.Intersect( aRegion );
|
|
}
|
|
else
|
|
{
|
|
// clip polygon is empty
|
|
aClipRegion.SetEmpty();
|
|
}
|
|
}
|
|
|
|
// setup accumulated clip region. Note that setting an
|
|
// empty clip region denotes "clip everything" on the
|
|
// OutputDevice (which is why we translate that into
|
|
// SetClipRegion() here). When both view and render clip
|
|
// are empty, aClipRegion remains default-constructed,
|
|
// i.e. also empty.
|
|
if( aClipRegion.IsEmpty() )
|
|
{
|
|
rOutDev.SetClipRegion();
|
|
|
|
if( p2ndOutDev )
|
|
p2ndOutDev->SetClipRegion();
|
|
}
|
|
else
|
|
{
|
|
rOutDev.SetClipRegion( aClipRegion );
|
|
|
|
if( p2ndOutDev )
|
|
p2ndOutDev->SetClipRegion( aClipRegion );
|
|
}
|
|
|
|
if( eColorType != IGNORE_COLOR )
|
|
{
|
|
Color aColor( COL_WHITE );
|
|
|
|
if( renderState.DeviceColor.getLength() > 2 )
|
|
{
|
|
aColor = ::vcl::unotools::sequenceToColor( mxDevice.getRef(),
|
|
renderState.DeviceColor );
|
|
}
|
|
|
|
// extract alpha, and make color opaque
|
|
// afterwards. Otherwise, OutputDevice won't draw anything
|
|
nTransparency = aColor.GetTransparency();
|
|
aColor.SetTransparency(0);
|
|
|
|
switch( eColorType )
|
|
{
|
|
case LINE_COLOR:
|
|
rOutDev.SetLineColor( aColor );
|
|
rOutDev.SetFillColor();
|
|
|
|
if( p2ndOutDev )
|
|
{
|
|
p2ndOutDev->SetLineColor( aColor );
|
|
p2ndOutDev->SetFillColor();
|
|
}
|
|
break;
|
|
|
|
case FILL_COLOR:
|
|
// #i42440# Make VCL canvas comply to XCanvas polygon fill
|
|
// semantics (no exclusion of rightmost/bottommost pixel).
|
|
rOutDev.SetFillColor( aColor );
|
|
rOutDev.SetLineColor( aColor );
|
|
|
|
if( p2ndOutDev )
|
|
{
|
|
p2ndOutDev->SetFillColor( aColor );
|
|
p2ndOutDev->SetLineColor( aColor );
|
|
}
|
|
break;
|
|
|
|
case TEXT_COLOR:
|
|
rOutDev.SetTextColor( aColor );
|
|
|
|
if( p2ndOutDev )
|
|
p2ndOutDev->SetTextColor( aColor );
|
|
break;
|
|
|
|
default:
|
|
ENSURE_AND_THROW( false,
|
|
"CanvasHelper::setupOutDevState(): Unexpected color type");
|
|
break;
|
|
}
|
|
}
|
|
|
|
return nTransparency;
|
|
}
|
|
|
|
bool CanvasHelper::setupTextOutput( ::Point& o_rOutPos,
|
|
const rendering::ViewState& viewState,
|
|
const rendering::RenderState& renderState,
|
|
const uno::Reference< rendering::XCanvasFont >& xFont )
|
|
{
|
|
ENSURE_AND_THROW( mpOutDev.get(),
|
|
"CanvasHelper::setupTextOutput(): outdev null. Are we disposed?" );
|
|
|
|
setupOutDevState( viewState, renderState, TEXT_COLOR );
|
|
|
|
OutputDevice& rOutDev( mpOutDev->getOutDev() );
|
|
|
|
uno::Reference< lang::XServiceInfo > xRef( xFont,
|
|
uno::UNO_QUERY );
|
|
|
|
::Font aVCLFont;
|
|
|
|
if( xRef.is() &&
|
|
xRef->getImplementationName().equals( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(CANVASFONT_IMPLEMENTATION_NAME))) )
|
|
{
|
|
// TODO(P2): Maybe use dynamic_cast here (saves us a queryInterface)
|
|
aVCLFont = static_cast<CanvasFont*>(xFont.get())->getVCLFont();
|
|
}
|
|
else
|
|
{
|
|
CHECK_AND_THROW( false,
|
|
"CanvasHelper::setupTextOutput(): Font not compatible with this canvas" );
|
|
}
|
|
|
|
Color aColor( COL_BLACK );
|
|
|
|
if( renderState.DeviceColor.getLength() > 2 )
|
|
{
|
|
aColor = ::vcl::unotools::sequenceToColor( mxDevice.getRef(),
|
|
renderState.DeviceColor );
|
|
}
|
|
|
|
// setup font color
|
|
aVCLFont.SetColor( aColor );
|
|
aVCLFont.SetFillColor( aColor );
|
|
|
|
// no need to replicate this for mp2ndOutDev, we're modifying only aVCLFont here.
|
|
if( !tools::setupFontTransform( o_rOutPos, aVCLFont, viewState, renderState, rOutDev ) )
|
|
return false;
|
|
|
|
rOutDev.SetFont( aVCLFont );
|
|
|
|
if( mp2ndOutDev.get() )
|
|
mp2ndOutDev->getOutDev().SetFont( aVCLFont );
|
|
|
|
return true;
|
|
}
|
|
|
|
void CanvasHelper::flush() const
|
|
{
|
|
if( mpOutDev.get() && mpOutDev->getOutDev().GetOutDevType() == OUTDEV_WINDOW )
|
|
{
|
|
// TODO(Q3): Evil downcast. And what's more, Window::Flush is
|
|
// not even const. Wah.
|
|
static_cast<Window&>(mpOutDev->getOutDev()).Flush();
|
|
}
|
|
|
|
if( mp2ndOutDev.get() && mp2ndOutDev->getOutDev().GetOutDevType() == OUTDEV_WINDOW )
|
|
{
|
|
// TODO(Q3): Evil downcast. And what's more, Window::Flush is
|
|
// not even const. Wah.
|
|
static_cast<Window&>(mp2ndOutDev->getOutDev()).Flush();
|
|
}
|
|
}
|
|
|
|
}
|