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koffice/kpresenter/KPrAutoformObject.cpp

378 lines
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/* This file is part of the KDE project
Copyright (C) 1998, 1999 Reginald Stadlbauer <reggie@kde.org>
Copyright (C) 2005-2006 Thorsten Zachmann <zachmann@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "KPrAutoformObject.h"
#include "KPrAutoFormObjectIface.h"
#include "KPrUtils.h"
#include "KPrGradient.h"
#include <tqbitmap.h>
#include <tqpointarray.h>
#include <tqptrlist.h>
#include <tqregion.h>
#include <tqdom.h>
#include <tqpainter.h>
#include <tqwmatrix.h>
#include <kstandarddirs.h>
#include <kdebug.h>
#include <KoTextZoomHandler.h>
#include <math.h>
using namespace std;
KPrAutoformObject::KPrAutoformObject()
: KPr2DObject()
, KPrStartEndLine( L_NORMAL, L_NORMAL )
, atfInterp()
{
}
KPrAutoformObject::KPrAutoformObject( const KoPen & _pen, const TQBrush &_brush, const TQString & _filename,
LineEnd _lineBegin, LineEnd _lineEnd,
FillType _fillType, const TQColor &_gColor1,
const TQColor &_gColor2, BCType _gType,
bool _unbalanced, int _xfactor, int _yfactor)
: KPr2DObject( _pen, _brush, _fillType, _gColor1, _gColor2, _gType, _unbalanced, _xfactor, _yfactor )
, KPrStartEndLine( _lineBegin, _lineEnd )
, filename( _filename ), atfInterp()
{
atfInterp.load( filename );
}
KPrAutoformObject &KPrAutoformObject::operator=( const KPrAutoformObject & )
{
return *this;
}
DCOPObject* KPrAutoformObject::dcopObject()
{
if ( !dcop )
dcop = new KPrAutoFormObjectIface( this );
return dcop;
}
void KPrAutoformObject::setFileName( const TQString & _filename )
{
filename = _filename;
atfInterp.load( filename );
}
bool KPrAutoformObject::saveOasisObjectAttributes( KPOasisSaveContext &sc ) const
{
kdDebug(33001) << "bool KPrAutoformObject::saveOasisObjectAttributes()" << endl;
TQSize size( int( ext.width() * 100 ), int( ext.height() * 100 ) );
sc.xmlWriter.addAttribute( "svg:viewBox", TQString( "0 0 %1 %2" ).arg( size.width() )
.arg( size.height() ) );
TQPointArray points = const_cast<ATFInterpreter &>( atfInterp ).getPointArray( size.width(), size.height() );
unsigned int pointCount = points.size();
unsigned int pos = 0;
bool closed = points.at( 0 ) == points.at( pointCount - 1 );
if ( closed )
--pointCount;
TQString d;
d += TQString( "M%1 %2" ).arg( points.at(pos).x() )
.arg( points.at(pos).y() );
++pos;
while ( pos < pointCount )
{
d += TQString( "L%1 %2" ).arg( points.at( pos ).x() )
.arg( points.at( pos ).y() );
++pos;
}
if ( closed )
d += "Z";
sc.xmlWriter.addAttribute( "svg:d", d );
return true;
}
void KPrAutoformObject::fillStyle( KoGenStyle& styleObjectAuto, KoGenStyles& mainStyles ) const
{
kdDebug(33001) << "KPr2DObject::fillStyle" << endl;
KPrShadowObject::fillStyle( styleObjectAuto, mainStyles );
TQPointArray points = const_cast<ATFInterpreter &>( atfInterp ).getPointArray( int( ext.width() * 100 ),
int( ext.height() * 100 ) );
// if it is a closed object save the background
if ( points.at( 0 ) == points.at( points.size() - 1 ) )
{
m_brush.saveOasisFillStyle( styleObjectAuto, mainStyles );
}
else
{
saveOasisMarkerElement( mainStyles, styleObjectAuto );
}
}
const char * KPrAutoformObject::getOasisElementName() const
{
return "draw:path";
}
TQDomDocumentFragment KPrAutoformObject::save( TQDomDocument& doc, double offset )
{
TQDomDocumentFragment fragment=KPr2DObject::save(doc, offset);
KPrStartEndLine::save( fragment, doc );
// The filename contains the absolute path to the autoform. This is
// bad, so we simply remove everything but the last dir and the name.
// e.g. /my/local/path/to/kpresenter/Arrow/.source/Arrow1.atf -> Arrow/.source/Arrow1.atf
TQStringList afDirs = KPrFactory::global()->dirs()->resourceDirs("autoforms");
TQValueList<TQString>::ConstIterator it=afDirs.begin();
TQString str;
for( ; it!=afDirs.end(); ++it) {
if(filename.startsWith(*it)) {
str=filename.mid((*it).length());
break;
}
}
TQDomElement elem=doc.createElement("FILENAME");
elem.setAttribute("value", str);
fragment.appendChild(elem);
return fragment;
}
double KPrAutoformObject::load(const TQDomElement &element)
{
double offset=KPr2DObject::load(element);
KPrStartEndLine::load( element );
TQDomElement e=element.namedItem("FILENAME").toElement();
if(!e.isNull()) {
if(e.hasAttribute("value"))
filename=e.attribute("value");
// don't crash on invalid files, better insert something
if(filename.isEmpty())
filename="Connections/.source/Connection1.atf";
// workaround for a bug in the (very) old file format
if(filename[0]=='/') {
kdDebug(33001) << "rubbish ahead! cleaning up..." << endl;
// remove the leading absolute path (i.e. to create Arrow/Arrow1.atf)
filename=filename.mid(filename.findRev('/', filename.findRev('/')-1)+1);
}
// okay... we changed the file format again and now the autoforms
// are stored in .../kpresenter/autoforms/.source/foo.atf (note: we didn't have .source
// before. Therefore we have to add this dir if it's not already there to make it
// work with old files
if(filename.find(".source")==-1) {
// okay, old file -- add the .source dir
filename=filename.insert(filename.find('/'), "/.source");
}
filename = locate("autoforms", filename, KPrFactory::global());
atfInterp.load( filename );
}
return offset;
}
void KPrAutoformObject::paint( TQPainter* _painter, KoTextZoomHandler *_zoomHandler,
int /* pageNum */, bool drawingShadow, bool drawContour )
{
unsigned int pw = 0, pwOrig = 0, px, py;
TQPen pen2;
TQSize size( _zoomHandler->zoomSize( ext ) );
if ( drawContour )
pen2 = TQPen( TQt::black, 1, TQt::DotLine );
else {
pen2 = pen.zoomedPen( _zoomHandler );
}
_painter->setPen( pen2 );
pwOrig = ( pen2.style() == TQt::NoPen ) ? 1 : pen2.width();
if ( !drawContour )
_painter->setBrush( getBrush() );
TQPointArray pntArray = atfInterp.getPointArray( _zoomHandler->zoomItX( ext.width()),
_zoomHandler->zoomItY( ext.height() ) );
TQPtrList<ATFInterpreter::AttribList> atrLs = atfInterp.getAttribList();
TQPointArray pntArray2( pntArray.size() );
int ex = _zoomHandler->zoomItX(ext.width());
int ey = _zoomHandler->zoomItY(ext.height());
for ( unsigned int i = 0; i < pntArray.size(); i++ )
{
px = pntArray.at( i ).x();
py = pntArray.at( i ).y();
if ( atrLs.at( i )->pwDiv > 0 )
{
pw = pwOrig / atrLs.at( i )->pwDiv;
px = (int)((double)(ex - pw) / (double)ex * px + pw / 2);
py = (int)((double)(ey - pw) / (double)ey * py + pw / 2);
}
pntArray2.setPoint( i, px, py );
}
if ( pntArray2.size() > 0 )
{
if ( pntArray2.at( 0 ) == pntArray2.at( pntArray2.size() - 1 ) )
{
if ( drawContour || (drawingShadow || getFillType() == FT_BRUSH || !gradient) )
_painter->drawPolygon( pntArray2 );
else
{
if ( angle == 0 || angle==360 )
{
//int ox = _painter->viewport().x() + static_cast<int>( _painter->worldMatrix().dx() );
//int oy = _painter->viewport().y() + static_cast<int>( _painter->worldMatrix().dy() );
TQPointArray pntArray3 = pntArray2.copy();
_painter->save();
TQRegion clipregion( pntArray3 );
// Intersect with current clipregion (whereas setupClipRegion unites)
if ( _painter->hasClipping() )
clipregion = _painter->clipRegion(TQPainter::CoordPainter).intersect( clipregion );
_painter->setClipRegion( clipregion, TQPainter::CoordPainter );
gradient->setSize( size );
_painter->drawPixmap( 0, 0, gradient->pixmap() );
_painter->restore();
}
else
{
if ( m_redrawGradientPix || gradient->size() != size )
{
kdDebug(33001) << "KPrAutoformObject::draw redrawPix" << endl;
gradient->setSize( size );
m_redrawGradientPix = false;
TQRegion clipregion( pntArray2 );
m_gradientPix.resize ( _zoomHandler->zoomItX(ext.width()),_zoomHandler->zoomItY(ext.height()) );
m_gradientPix.fill( TQt::white );
TQPainter p;
p.begin( &m_gradientPix );
p.setClipRegion( clipregion , TQPainter::CoordPainter);
p.drawPixmap( 0, 0, gradient->pixmap() );
p.end();
m_gradientPix.setMask( m_gradientPix.createHeuristicMask() );
}
_painter->drawPixmap( 0, 0, m_gradientPix );
}
_painter->setPen( pen2 );
_painter->setBrush( TQt::NoBrush );
_painter->drawPolygon( pntArray2 );
}
}
else
{
KoSize diff1( 0, 0 ), diff2( 0, 0 );
int _w = int( pen.pointWidth() );
if ( lineBegin != L_NORMAL )
diff1 = getBoundingSize( lineBegin, _w, _zoomHandler );
if ( lineEnd != L_NORMAL )
diff2 = getBoundingSize( lineEnd, _w, _zoomHandler );
if ( pntArray.size() > 1 )
{
if ( lineBegin != L_NORMAL && !drawContour )
{
TQPoint pnt1( pntArray2.at( 0 ) ), pnt2( pntArray2.at( 1 ) );
TQPoint pnt3, pnt4( pntArray.at( 0 ) );
float _angle = KoPoint::getAngle( KoPoint( pnt1 ), KoPoint( pnt2 ) );
switch ( static_cast<int>( _angle ) )
{
case 0:
{
pnt3.setX( pnt4.x() - (int)diff1.width() / 2 );
pnt3.setY( pnt1.y() );
} break;
case 180:
{
pnt3.setX( pnt4.x() + (int)diff1.width() / 2 );
pnt3.setY( pnt1.y() );
} break;
case 90:
{
pnt3.setX( pnt1.x() );
pnt3.setY( pnt4.y() - (int)diff1.width() / 2 );
} break;
case 270:
{
pnt3.setX( pnt1.x() );
pnt3.setY( pnt4.y() + (int)diff1.width() / 2 );
} break;
default:
pnt3 = pnt1;
break;
}
drawFigure( lineBegin, _painter, _zoomHandler->unzoomPoint( pnt3 ), pen2.color(), _w, _angle, _zoomHandler );
}
if ( lineEnd != L_NORMAL && !drawContour )
{
TQPoint pnt1( pntArray2.at( pntArray2.size() - 1 ) ), pnt2( pntArray2.at( pntArray2.size() - 2 ) );
TQPoint pnt3, pnt4( pntArray.at( pntArray.size() - 1 ) );
float _angle = KoPoint::getAngle( KoPoint( pnt1 ), KoPoint( pnt2 ) );
switch ( ( int )_angle )
{
case 0:
{
pnt3.setX( pnt4.x() - (int)diff2.width() / 2 );
pnt3.setY( pnt1.y() );
} break;
case 180:
{
pnt3.setX( pnt4.x() + (int)diff2.width() / 2 );
pnt3.setY( pnt1.y() );
} break;
case 90:
{
pnt3.setX( pnt1.x() );
pnt3.setY( pnt4.y() - (int)diff2.width() / 2 );
} break;
case 270:
{
pnt3.setX( pnt1.x() );
pnt3.setY( pnt4.y() + (int)diff2.width() / 2 );
} break;
default:
pnt3 = pnt1;
break;
}
drawFigure( lineEnd, _painter, _zoomHandler->unzoomPoint( pnt3 ), pen2.color(), _w, _angle,_zoomHandler );
}
}
_painter->setPen( pen2 );
_painter->drawPolyline( pntArray2 );
}
}
}