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koffice/kpresenter/KPrClosedLineObject.cpp

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/* This file is part of the KDE project
Copyright (C) 2002 Toshitaka Fujioka <fujioka@kde.org>
Copyright (C) 2005 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 "KPrClosedLineObject.h"
#include "KPrPointObject.h"
#include "KPrGradient.h"
#include "KPrSVGPathParser.h"
#include <KoTextZoomHandler.h>
#include <kdebug.h>
#include <tqbitmap.h>
#include <tqregion.h>
#include <tqregexp.h>
#include <tqdom.h>
#include <tqpicture.h>
#include <tqpainter.h>
#include <KoOasisContext.h>
#include <math.h>
#include <KoUnit.h>
#include <KoXmlNS.h>
#include <KoDom.h>
using namespace std;
KPrClosedLineObject::KPrClosedLineObject()
: KPr2DObject()
{
}
KPrClosedLineObject::KPrClosedLineObject( const KoPointArray &_points, const KoSize &_size, const KoPen &_pen, const TQBrush &_brush,
FillType _fillType, const TQColor &_gColor1, const TQColor &_gColor2, BCType _gType,
bool _unbalanced, int _xfactor, int _yfactor, const TQString _typeString )
: KPr2DObject( _pen, _brush, _fillType, _gColor1, _gColor2, _gType, _unbalanced, _xfactor, _yfactor )
{
points = KoPointArray( _points );
ext = _size;
typeString = _typeString;
}
KPrClosedLineObject::KPrClosedLineObject( const KPrPointObject &object )
: KPr2DObject( object.getPen(), TQt::NoBrush, FT_BRUSH, TQColor(), TQColor(), BCT_PLAIN, false, 0, 0 )
{
ext = object.getSize();
orig = object.getOrig();
objectName = object.getObjectName();
points = object.getPoints().copy();
points.putPoints( points.count(), 1, points.at( 0 ).x(), points.at( 0 ).y() );
switch ( object.getType() )
{
case OT_FREEHAND:
typeString = i18n( "Closed Freehand" );
break;
case OT_POLYLINE:
typeString = i18n( "Closed Polyline" );
break;
case OT_CUBICBEZIERCURVE:
typeString = i18n( "Closed Cubic Bezier Curve" );
break;
case OT_QUADRICBEZIERCURVE:
typeString = i18n( "Closed Quadric Bezier Curve" );
break;
default:
break;
}
}
KPrClosedLineObject &KPrClosedLineObject::operator=( const KPrClosedLineObject & )
{
return *this;
}
#if 0
DCOPObject* KPrClosedLineObject::dcopObject()
{
if ( !dcop )
dcop = new KPClosedLineObjectIface( this );
return dcop;
}
#endif
TQDomDocumentFragment KPrClosedLineObject::save( TQDomDocument& doc, double offset )
{
TQDomDocumentFragment fragment = KPr2DObject::save( doc, offset );
TQDomElement elemObjectsName = doc.createElement( "OBJECTSNAME" );
elemObjectsName.setAttribute( "NAME", typeString );
fragment.appendChild( elemObjectsName );
if ( !points.isNull() ) {
TQDomElement elemPoints = doc.createElement( "POINTS" );
KoPointArray::ConstIterator it;
for ( it = points.begin(); it != points.end(); ++it ) {
TQDomElement elemPoint = doc.createElement( "Point" );
KoPoint point = (*it);
elemPoint.setAttribute( "point_x", point.x() );
elemPoint.setAttribute( "point_y", point.y() );
elemPoints.appendChild( elemPoint );
}
fragment.appendChild( elemPoints );
}
return fragment;
}
bool KPrClosedLineObject::saveOasisObjectAttributes( KPOasisSaveContext &sc ) const
{
KPrShadowObject::saveOasisDrawPoints( points, sc );
return true;
}
const char * KPrClosedLineObject::getOasisElementName() const
{
return "draw:polygon";
}
double KPrClosedLineObject::load( const TQDomElement &element )
{
double offset = KPr2DObject::load( element );
TQDomElement e = element.namedItem( "OBJECTSNAME" ).toElement();
if ( !e.isNull() ) {
if ( e.hasAttribute( "NAME" ) )
typeString = e.attribute( "NAME" );
}
e = element.namedItem( "POINTS" ).toElement();
if ( !e.isNull() ) {
TQDomElement elemPoint = e.firstChild().toElement();
unsigned int index = 0;
while ( !elemPoint.isNull() ) {
if ( elemPoint.tagName() == "Point" ) {
double tmpX = 0;
double tmpY = 0;
if( elemPoint.hasAttribute( "point_x" ) )
tmpX = elemPoint.attribute( "point_x" ).toDouble();
if( elemPoint.hasAttribute( "point_y" ) )
tmpY = elemPoint.attribute( "point_y" ).toDouble();
points.putPoints( index, 1, tmpX,tmpY );
}
elemPoint = elemPoint.nextSibling().toElement();
++index;
}
}
return offset;
}
void KPrClosedLineObject::setSize( double _width, double _height )
{
KoSize origSize( ext );
KPrObject::setSize( _width, _height );
double fx = ext.width() / origSize.width();
double fy = ext.height() / origSize.height();
updatePoints( fx, fy );
}
void KPrClosedLineObject::updatePoints( double _fx, double _fy )
{
int index = 0;
KoPointArray tmpPoints;
KoPointArray::ConstIterator it;
for ( it = points.begin(); it != points.end(); ++it ) {
KoPoint point = (*it);
double tmpX = point.x() * _fx;
double tmpY = point.y() * _fy;
tmpPoints.putPoints( index, 1, tmpX,tmpY );
++index;
}
points = tmpPoints;
}
void KPrClosedLineObject::paint( TQPainter* _painter,KoTextZoomHandler*_zoomHandler,
int /* pageNum */, bool drawingShadow, bool drawContour )
{
int _w = ( pen.style() == TQt::NoPen ) ? 1 : int( pen.pointWidth() );
if ( drawContour ) {
TQPointArray pointArray2 = points.zoomPointArray( _zoomHandler );
TQPen pen3( TQt::black, 1, TQt::DotLine );
_painter->setPen( pen3 );
_painter->setRasterOp( TQt::NotXorROP );
_painter->drawPolygon( pointArray2 );
return;
}
TQPointArray pointArray = points.zoomPointArray( _zoomHandler, _w );
TQPen pen2 = pen.zoomedPen( _zoomHandler );
if ( drawingShadow || getFillType() == FT_BRUSH || !gradient ) {
_painter->setPen( pen2 );
_painter->setBrush( getBrush() );
_painter->drawPolygon( pointArray );
}
else {
TQSize size( _zoomHandler->zoomSize( ext ) );
if ( m_redrawGradientPix || gradient->size() != size )
{
m_redrawGradientPix = false;
gradient->setSize( size );
TQRegion clipregion( pointArray );
m_gradientPix.resize( size );
m_gradientPix.fill( TQt::white );
TQPainter p;
p.begin( &m_gradientPix );
p.setClipRegion( clipregion );
p.drawPixmap( 0, 0, gradient->pixmap() );
p.end();
m_gradientPix.setMask( m_gradientPix.createHeuristicMask() );
}
TQRect _rect = pointArray.boundingRect();
_painter->drawPixmap( 0, 0, m_gradientPix, 0, 0, _rect.width(), _rect.height() );
_painter->setPen( pen2 );
_painter->setBrush( TQt::NoBrush );
_painter->drawPolygon( pointArray );
}
}
void KPrClosedLineObject::flip( bool horizontal )
{
KPr2DObject::flip( horizontal );
// flip the points
KoPointArray tmpPoints;
int index = 0;
if ( ! horizontal )
{
KoPointArray::ConstIterator it;
double horiz = getSize().height()/2;
for ( it = points.begin(); it != points.end(); ++it ) {
KoPoint point = (*it);
if ( point.y()> horiz )
tmpPoints.putPoints( index, 1, point.x(),point.y()- 2*(point.y()-horiz) );
else
tmpPoints.putPoints( index, 1, point.x(),point.y()+ 2*(horiz - point.y()) );
++index;
}
}
else
{
KoPointArray::ConstIterator it;
double vert = getSize().width()/2;
for ( it = points.begin(); it != points.end(); ++it ) {
KoPoint point = (*it);
if ( point.x()> vert )
tmpPoints.putPoints( index, 1, point.x()- 2*(point.x()-vert), point.y() );
else
tmpPoints.putPoints( index, 1, point.x()+ 2*(vert - point.x()),point.y() );
++index;
}
}
points = tmpPoints;
}
void KPrClosedLineObject::loadOasis( const TQDomElement &element, KoOasisContext & context, KPrLoadingInfo *info )
{
kdDebug()<<"void KPrClosedLineObject::loadOasis( const TQDomElement &element )***********\n";
KPr2DObject::loadOasis( element,context, info );
TQString tag( element.tagName() );
if ( tag == "polygon" )
{
KPrShadowObject::loadOasisDrawPoints( points, element, context, info );
}
else if ( tag == "path" ) // this is used to load closed draw:path objects
{
TQString d = element.attributeNS( KoXmlNS::svg, "d", TQString());
kdDebug(33001) << "path d: " << d << endl;
KPrSVGPathParser parser;
points = parser.getPoints( d, true );
loadOasisApplyViewBox( element, points );
}
else if ( tag == "custom-shape" )
{
TQDomElement enhancedGeometry = KoDom::namedItemNS( element, KoXmlNS::draw, "enhanced-geometry" );
if ( !enhancedGeometry.isNull() )
{
TQString d = enhancedGeometry.attributeNS( KoXmlNS::draw, "enhanced-path", TQString() );
TQRegExp rx( "^([0-9 MLZ]+)N$" );
if ( rx.search( d ) != -1 )
{
d = rx.cap( 1 );
kdDebug(33001) << "enhanced-path d: " << d << endl;
KPrSVGPathParser parser;
points = parser.getPoints( d, true );
loadOasisApplyViewBox( enhancedGeometry, points );
}
}
}
else
{
kdDebug(33001) << "KPrClosedLineObject::loadOasis unsupported tag" << endl;
}
}
KoSize KPrClosedLineObject::getRealSize() const {
KoSize size( ext );
KoPoint realOrig( orig );
KoPointArray p( points );
getRealSizeAndOrigFromPoints( p, angle, size, realOrig );
return size;
}
KoPoint KPrClosedLineObject::getRealOrig() const {
KoSize size( ext );
KoPoint realOrig( orig );
KoPointArray p( points );
getRealSizeAndOrigFromPoints( p, angle, size, realOrig );
return realOrig;
}
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