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#110496# Merge from cws_srx645_canvas01: first working version of XCanvas C++ wrapper, providing encapsulation against possible API changes and some amount of convenience.
2004-03-18 09:41:15 +00:00
/*************************************************************************
*
* $RCSfile: mtftools.cxx,v $
*
INTEGRATION: CWS presfixes02 (1.4.2); FILE MERGED 2005/03/14 16:04:52 thb 1.4.2.1: #i35136# #i36914# #i41113# #i44100# #i40115# #i41839# #i44404# Merge from presfixes01 patches
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* $Revision: 1.5 $
#110496# Merge from cws_srx645_canvas01: first working version of XCanvas C++ wrapper, providing encapsulation against possible API changes and some amount of convenience.
2004-03-18 09:41:15 +00:00
*
INTEGRATION: CWS presfixes02 (1.4.2); FILE MERGED 2005/03/14 16:04:52 thb 1.4.2.1: #i35136# #i36914# #i41113# #i44100# #i40115# #i41839# #i44404# Merge from presfixes01 patches
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* last change: $Author: rt $ $Date: 2005-03-30 08:30:28 $
#110496# Merge from cws_srx645_canvas01: first working version of XCanvas C++ wrapper, providing encapsulation against possible API changes and some amount of convenience.
2004-03-18 09:41:15 +00:00
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://www.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
INTEGRATION: CWS presfixes02 (1.4.2); FILE MERGED 2005/03/14 16:04:52 thb 1.4.2.1: #i35136# #i36914# #i41113# #i44100# #i40115# #i41839# #i44404# Merge from presfixes01 patches
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#include <canvas/debug.hxx>
#include <canvas/verbosetrace.hxx>
INTEGRATION: CWS presentationengine01 (1.2.2); FILE MERGED 2004/07/20 19:08:59 thb 1.2.2.2: #110496# Unified include statements; removed external prefix from boost includes 2004/04/05 15:58:48 thb 1.2.2.1: Resync with canvas01 changes
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#include <mtftools.hxx>
#include <outdevstate.hxx>
INTEGRATION: CWS presfixes02 (1.4.2); FILE MERGED 2005/03/14 16:04:52 thb 1.4.2.1: #i35136# #i36914# #i41113# #i44100# #i40115# #i41839# #i44404# Merge from presfixes01 patches
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#include <polypolyaction.hxx>
#110496# Merge from cws_srx645_canvas01: first working version of XCanvas C++ wrapper, providing encapsulation against possible API changes and some amount of convenience.
2004-03-18 09:41:15 +00:00
INTEGRATION: CWS presfixes01 (1.3.6); FILE MERGED 2005/02/16 11:14:28 fs 1.3.6.1: #i42558# drafts.com.sun.star.drawing/rendering/geometry moved to com.sun.star.*
2005-03-10 12:25:00 +00:00
#ifndef _COM_SUN_STAR_RENDERING_RENDERSTATE_HPP__
#include <com/sun/star/rendering/RenderState.hpp>
#110496# Merge from cws_srx645_canvas01: first working version of XCanvas C++ wrapper, providing encapsulation against possible API changes and some amount of convenience.
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#endif
INTEGRATION: CWS presfixes02 (1.4.2); FILE MERGED 2005/03/14 16:04:52 thb 1.4.2.1: #i35136# #i36914# #i41113# #i44100# #i40115# #i41839# #i44404# Merge from presfixes01 patches
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#ifndef _COM_SUN_STAR_RENDERING_XCANVAS_HPP__
#include <com/sun/star/rendering/XCanvas.hpp>
#endif
#110496# Merge from cws_srx645_canvas01: first working version of XCanvas C++ wrapper, providing encapsulation against possible API changes and some amount of convenience.
2004-03-18 09:41:15 +00:00
INTEGRATION: CWS presfixes02 (1.4.2); FILE MERGED 2005/03/14 16:04:52 thb 1.4.2.1: #i35136# #i36914# #i41113# #i44100# #i40115# #i41839# #i44404# Merge from presfixes01 patches
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#ifndef _BGFX_NUMERIC_FTOOLS_HXX
#include <basegfx/numeric/ftools.hxx>
#endif
#ifndef _BGFX_TOOLS_CANVASTOOLS_HXX
#include <basegfx/tools/canvastools.hxx>
#endif
#ifndef _BGFX_POLYGON_B2DPOLYGONTOOLS_HXX
#include <basegfx/polygon/b2dpolygontools.hxx>
#endif
#ifndef _BGFX_POLYGON_B2DPOLYGON_HXX
#include <basegfx/polygon/b2dpolygon.hxx>
#endif
#ifndef _BGFX_RANGE_B2DRECTANGLE_HXX
#include <basegfx/range/b2drectangle.hxx>
#endif
#ifndef _BGFX_VECTOR_B2DVECTOR_HXX
#include <basegfx/vector/b2dvector.hxx>
#endif
#110496# Merge from cws_srx645_canvas01: first working version of XCanvas C++ wrapper, providing encapsulation against possible API changes and some amount of convenience.
2004-03-18 09:41:15 +00:00
#ifndef _CANVAS_CANVASTOOLS_HXX
#include <canvas/canvastools.hxx>
#endif
INTEGRATION: CWS presfixes02 (1.4.2); FILE MERGED 2005/03/14 16:04:52 thb 1.4.2.1: #i35136# #i36914# #i41113# #i44100# #i40115# #i41839# #i44404# Merge from presfixes01 patches
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#ifndef _SV_GDIMTF_HXX
#include <vcl/gdimtf.hxx>
#endif
#ifndef _SV_METAACT_HXX
#include <vcl/metaact.hxx>
#endif
#ifndef _SV_VIRDEV_HXX
#include <vcl/virdev.hxx>
#endif
#ifndef _SV_METRIC_HXX
#include <vcl/metric.hxx>
#endif
#ifndef _TL_POLY_HXX
#include <tools/poly.hxx>
#endif
#110496# Merge from cws_srx645_canvas01: first working version of XCanvas C++ wrapper, providing encapsulation against possible API changes and some amount of convenience.
2004-03-18 09:41:15 +00:00
using namespace ::com::sun::star;
namespace cppcanvas
{
namespace tools
{
INTEGRATION: CWS presfixes02 (1.4.2); FILE MERGED 2005/03/14 16:04:52 thb 1.4.2.1: #i35136# #i36914# #i41113# #i44100# #i40115# #i41839# #i44404# Merge from presfixes01 patches
2005-03-30 07:30:28 +00:00
void initRenderState( rendering::RenderState& renderState,
const ::cppcanvas::internal::OutDevState& outdevState )
#110496# Merge from cws_srx645_canvas01: first working version of XCanvas C++ wrapper, providing encapsulation against possible API changes and some amount of convenience.
2004-03-18 09:41:15 +00:00
{
::canvas::tools::initRenderState( renderState );
::canvas::tools::setRenderStateTransform( renderState,
outdevState.transform );
renderState.Clip = outdevState.xClipPoly;
}
INTEGRATION: CWS presfixes02 (1.4.2); FILE MERGED 2005/03/14 16:04:52 thb 1.4.2.1: #i35136# #i36914# #i41113# #i44100# #i40115# #i41839# #i44404# Merge from presfixes01 patches
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::Size getBaselineOffset( const ::cppcanvas::internal::OutDevState& outdevState,
const VirtualDevice& rVDev )
{
const ::FontMetric& aMetric = rVDev.GetFontMetric();
// calc offset for text output, the XCanvas always renders
// baseline offset.
switch( outdevState.textReferencePoint )
{
case ALIGN_TOP:
return ::Size( 0,
aMetric.GetIntLeading() + aMetric.GetAscent() );
case ALIGN_BASELINE:
return ::Size( 0, 0 );
case ALIGN_BOTTOM:
return ::Size( 0,
-aMetric.GetDescent() );
default:
ENSURE_AND_THROW( false,
"tools::getBaselineOffset(): Unexpected TextAlign value" );
}
}
::basegfx::B2DHomMatrix& calcLogic2PixelLinearTransform( ::basegfx::B2DHomMatrix& o_rMatrix,
const VirtualDevice& rVDev )
{
// select size value in the middle of the available range,
// to have headroom both when map mode scales up, and when
// it scales down.
const ::Size aSizeLogic( 0x00010000L,
0x00010000L );
const ::Size aSizePixel( rVDev.LogicToPixel( aSizeLogic ) );
o_rMatrix.identity();
o_rMatrix.scale( aSizePixel.Width() / (double)aSizeLogic.Width(),
aSizePixel.Height() / (double)aSizeLogic.Height() );
return o_rMatrix;
}
bool modifyClip( rendering::RenderState& o_rRenderState,
const struct ::cppcanvas::internal::OutDevState& rOutdevState,
const CanvasSharedPtr& rCanvas,
const ::basegfx::B2DPoint& rOffset,
const ::basegfx::B2DVector* pScaling )
{
const ::Point aEmptyPoint;
const bool bOffsetting( !rOffset.equalZero() );
const bool bScaling( pScaling &&
pScaling->getX() != 1.0 &&
pScaling->getY() != 1.0 );
if( !bOffsetting && !bScaling )
return false; // nothing to do
if( rOutdevState.clip.count() )
{
// general polygon case
::basegfx::B2DPolyPolygon aLocalClip( rOutdevState.clip );
::basegfx::B2DHomMatrix aTransform;
if( bOffsetting )
aTransform.translate( -rOffset.getX(),
-rOffset.getY() );
if( bScaling )
aTransform.scale( 1.0/pScaling->getX(), 1.0/pScaling->getY() );
aLocalClip.transform( aTransform );
o_rRenderState.Clip = ::basegfx::unotools::xPolyPolygonFromB2DPolyPolygon(
rCanvas->getUNOCanvas()->getDevice(),
aLocalClip );
return true;
}
else if( !rOutdevState.clipRect.IsEmpty() )
{
// simple rect case
const ::Rectangle aLocalClipRect( rOutdevState.clipRect );
if( bScaling )
{
// scale and offset - do it on the fly, have to
// convert to float anyway.
o_rRenderState.Clip = ::basegfx::unotools::xPolyPolygonFromB2DPolyPolygon(
rCanvas->getUNOCanvas()->getDevice(),
::basegfx::B2DPolyPolygon(
::basegfx::tools::createPolygonFromRect(
::basegfx::B2DRectangle(
(double)(aLocalClipRect.Left() - rOffset.getX())/pScaling->getX(),
(double)(aLocalClipRect.Top() - rOffset.getY())/pScaling->getY(),
(double)(aLocalClipRect.Right() - rOffset.getX())/pScaling->getX(),
(double)(aLocalClipRect.Bottom() - rOffset.getY())/pScaling->getY() ) ) ) );
}
else
{
// offset only - do it on the fly, have to convert
// to float anyway.
o_rRenderState.Clip = ::basegfx::unotools::xPolyPolygonFromB2DPolyPolygon(
rCanvas->getUNOCanvas()->getDevice(),
::basegfx::B2DPolyPolygon(
::basegfx::tools::createPolygonFromRect(
::basegfx::B2DRectangle( aLocalClipRect.Left() - rOffset.getX(),
aLocalClipRect.Top() - rOffset.getY(),
aLocalClipRect.Right() - rOffset.getX(),
aLocalClipRect.Bottom() - rOffset.getY() ) ) ) );
}
return true;
}
// empty clip, nothing to do
return false;
}
bool modifyClip( rendering::RenderState& o_rRenderState,
const struct ::cppcanvas::internal::OutDevState& rOutdevState,
const CanvasSharedPtr& rCanvas,
const ::Point& rOffset,
const ::basegfx::B2DVector* pScaling )
{
return modifyClip( o_rRenderState,
rOutdevState,
rCanvas,
::basegfx::B2DPoint( rOffset.X(),
rOffset.Y() ),
pScaling );
}
bool modifyClip( rendering::RenderState& o_rRenderState,
const struct ::cppcanvas::internal::OutDevState& rOutdevState,
const CanvasSharedPtr& rCanvas,
const ::basegfx::B2DHomMatrix& rTransform )
{
if( !rTransform.isIdentity() ||
!rTransform.isInvertible() )
return false; // nothing to do
#110496# Merge from cws_srx645_canvas01: first working version of XCanvas C++ wrapper, providing encapsulation against possible API changes and some amount of convenience.
2004-03-18 09:41:15 +00:00
INTEGRATION: CWS presfixes02 (1.4.2); FILE MERGED 2005/03/14 16:04:52 thb 1.4.2.1: #i35136# #i36914# #i41113# #i44100# #i40115# #i41839# #i44404# Merge from presfixes01 patches
2005-03-30 07:30:28 +00:00
::basegfx::B2DPolyPolygon aLocalClip;
if( rOutdevState.clip.count() )
{
aLocalClip = rOutdevState.clip;
}
else if( !rOutdevState.clipRect.IsEmpty() )
{
const ::Rectangle aLocalClipRect( rOutdevState.clipRect );
aLocalClip = ::basegfx::B2DPolyPolygon(
::basegfx::tools::createPolygonFromRect(
::basegfx::B2DRectangle(
aLocalClipRect.Left(),
aLocalClipRect.Top(),
aLocalClipRect.Right(),
aLocalClipRect.Bottom() ) ) );
}
else
{
// empty clip, nothing to do
return false;
}
// invert transformation and modify
::basegfx::B2DHomMatrix aLocalTransform( rTransform );
aLocalTransform.invert();
aLocalClip.transform( aLocalTransform );
o_rRenderState.Clip = ::basegfx::unotools::xPolyPolygonFromB2DPolyPolygon(
rCanvas->getUNOCanvas()->getDevice(),
aLocalClip );
return true;
}
// create underline/strikeout line info struct
TextLineInfo createTextLineInfo( const ::VirtualDevice& rVDev,
const ::cppcanvas::internal::OutDevState& rState )
{
const BOOL bOldMode( rVDev.IsMapModeEnabled() );
// will restore map mode below
const_cast< ::VirtualDevice& >(rVDev).EnableMapMode( FALSE );
const ::FontMetric aMetric = rVDev.GetFontMetric();
TextLineInfo aTextInfo(
(aMetric.GetDescent() + 2) / 4.0,
aMetric.GetDescent() / 2.0,
(aMetric.GetIntLeading() - aMetric.GetAscent()) / 3.0,
rState.textUnderlineStyle,
rState.textStrikeoutStyle );
const_cast< ::VirtualDevice& >(rVDev).EnableMapMode( bOldMode );
return aTextInfo;
}
namespace
{
void appendRect( ::basegfx::B2DPolyPolygon& o_rPoly,
const ::basegfx::B2DPoint& rStartPos,
const double nX1,
const double nY1,
const double nX2,
const double nY2 )
{
const double x( rStartPos.getX() );
const double y( rStartPos.getY() );
o_rPoly.append(
::basegfx::tools::createPolygonFromRect(
::basegfx::B2DRectangle( x + nX1, y + nY1, x + nX2, y + nY2 ) ) );
}
void appendRect( ::basegfx::B2DPolyPolygon& o_rPoly,
const double nX1,
const double nY1,
const double nX2,
const double nY2 )
{
o_rPoly.append(
::basegfx::tools::createPolygonFromRect(
::basegfx::B2DRectangle( nX1, nY1, nX2, nY2 ) ) );
}
void appendDashes( ::basegfx::B2DPolyPolygon& o_rPoly,
const double nX,
const double nY,
const double nLineWidth,
const double nLineHeight,
const double nDashWidth,
const double nDashSkip )
{
const sal_Int32 nNumLoops(
static_cast< sal_Int32 >(
::std::max( 1.0,
nLineWidth / nDashSkip ) + .5) );
double x = nX;
for( sal_Int32 i=0; i<nNumLoops; ++i )
{
appendRect( o_rPoly,
x, nY,
x + nDashWidth, nY + nLineHeight );
x += nDashSkip;
}
}
}
// create line actions for text such as underline and
// strikeout
::basegfx::B2DPolyPolygon createTextLinesPolyPolygon( const ::basegfx::B2DPoint rStartPos,
const double& rLineWidth,
const TextLineInfo& rTextLineInfo )
{
// fill the polypolygon with all text lines
::basegfx::B2DPolyPolygon aTextLinesPolyPoly;
switch( rTextLineInfo.mnUnderlineStyle )
{
case UNDERLINE_NONE: // nothing to do
// FALLTHROUGH intended
case UNDERLINE_DONTKNOW:
break;
case UNDERLINE_SMALLWAVE: // TODO(F3): NYI
// FALLTHROUGH intended
case UNDERLINE_WAVE: // TODO(F3): NYI
// FALLTHROUGH intended
case UNDERLINE_SINGLE:
appendRect(
aTextLinesPolyPoly,
rStartPos,
0,
rTextLineInfo.mnUnderlineOffset,
rLineWidth,
rTextLineInfo.mnUnderlineOffset + rTextLineInfo.mnLineHeight );
break;
case UNDERLINE_BOLDDOTTED: // TODO(F3): NYI
// FALLTHROUGH intended
case UNDERLINE_BOLDDASH: // TODO(F3): NYI
// FALLTHROUGH intended
case UNDERLINE_BOLDLONGDASH: // TODO(F3): NYI
// FALLTHROUGH intended
case UNDERLINE_BOLDDASHDOT: // TODO(F3): NYI
// FALLTHROUGH intended
case UNDERLINE_BOLDDASHDOTDOT:// TODO(F3): NYI
// FALLTHROUGH intended
case UNDERLINE_BOLDWAVE: // TODO(F3): NYI
// FALLTHROUGH intended
case UNDERLINE_BOLD:
appendRect(
aTextLinesPolyPoly,
rStartPos,
0,
rTextLineInfo.mnUnderlineOffset,
rLineWidth,
rTextLineInfo.mnUnderlineOffset + 2*rTextLineInfo.mnLineHeight );
break;
case UNDERLINE_DOUBLEWAVE: // TODO(F3): NYI
// FALLTHROUGH intended
case UNDERLINE_DOUBLE:
appendRect(
aTextLinesPolyPoly,
rStartPos,
0,
rTextLineInfo.mnUnderlineOffset - rTextLineInfo.mnLineHeight,
rLineWidth,
rTextLineInfo.mnUnderlineOffset );
appendRect(
aTextLinesPolyPoly,
rStartPos,
0,
rTextLineInfo.mnUnderlineOffset + 2*rTextLineInfo.mnLineHeight,
rLineWidth,
rTextLineInfo.mnUnderlineOffset + 3*rTextLineInfo.mnLineHeight );
break;
case UNDERLINE_DASHDOTDOT: // TODO(F3): NYI
// FALLTHROUGH intended
case UNDERLINE_DOTTED:
appendDashes(
aTextLinesPolyPoly,
rStartPos.getX(),
rStartPos.getY() + rTextLineInfo.mnUnderlineOffset,
rLineWidth,
rTextLineInfo.mnLineHeight,
rTextLineInfo.mnLineHeight,
2*rTextLineInfo.mnLineHeight );
break;
case UNDERLINE_DASHDOT: // TODO(F3): NYI
// FALLTHROUGH intended
case UNDERLINE_DASH:
appendDashes(
aTextLinesPolyPoly,
rStartPos.getX(),
rStartPos.getY() + rTextLineInfo.mnUnderlineOffset,
rLineWidth,
rTextLineInfo.mnLineHeight,
3*rTextLineInfo.mnLineHeight,
6*rTextLineInfo.mnLineHeight );
break;
case UNDERLINE_LONGDASH:
appendDashes(
aTextLinesPolyPoly,
rStartPos.getX(),
rStartPos.getY() + rTextLineInfo.mnUnderlineOffset,
rLineWidth,
rTextLineInfo.mnLineHeight,
6*rTextLineInfo.mnLineHeight,
12*rTextLineInfo.mnLineHeight );
break;
default:
ENSURE_AND_THROW( false,
"::cppcanvas::internal::createTextLinesPolyPolygon(): Unexpected underline case" );
}
switch( rTextLineInfo.mnStrikeoutStyle )
{
case STRIKEOUT_NONE: // nothing to do
// FALLTHROUGH intended
case STRIKEOUT_DONTKNOW:
break;
case STRIKEOUT_SLASH: // TODO(Q1): we should handle this in the text layer
// FALLTHROUGH intended
case STRIKEOUT_X:
break;
case STRIKEOUT_SINGLE:
appendRect(
aTextLinesPolyPoly,
rStartPos,
0,
rTextLineInfo.mnStrikeoutOffset,
rLineWidth,
rTextLineInfo.mnStrikeoutOffset + rTextLineInfo.mnLineHeight );
break;
case STRIKEOUT_BOLD:
appendRect(
aTextLinesPolyPoly,
rStartPos,
0,
rTextLineInfo.mnStrikeoutOffset,
rLineWidth,
rTextLineInfo.mnStrikeoutOffset + 2*rTextLineInfo.mnLineHeight );
break;
case STRIKEOUT_DOUBLE:
appendRect(
aTextLinesPolyPoly,
rStartPos,
0,
rTextLineInfo.mnStrikeoutOffset - rTextLineInfo.mnLineHeight,
rLineWidth,
rTextLineInfo.mnStrikeoutOffset );
appendRect(
aTextLinesPolyPoly,
rStartPos,
0,
rTextLineInfo.mnStrikeoutOffset + 2*rTextLineInfo.mnLineHeight,
rLineWidth,
rTextLineInfo.mnStrikeoutOffset + 3*rTextLineInfo.mnLineHeight );
break;
default:
ENSURE_AND_THROW( false,
"::cppcanvas::internal::createTextLinesPolyPolygon(): Unexpected strikeout case" );
}
return aTextLinesPolyPoly;
}
// create line actions for text such as underline and
// strikeout
::basegfx::B2DPolyPolygon createTextLinesPolyPolygon( const double& rStartOffset,
const double& rLineWidth,
const TextLineInfo& rTextLineInfo )
{
return createTextLinesPolyPolygon(
::basegfx::B2DPoint( rStartOffset,
0.0 ),
rLineWidth,
rTextLineInfo );
}
}
#110496# Merge from cws_srx645_canvas01: first working version of XCanvas C++ wrapper, providing encapsulation against possible API changes and some amount of convenience.
2004-03-18 09:41:15 +00:00
}
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