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172 lines
3.8 KiB
172 lines
3.8 KiB
/*
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* Kivio - Visual Modelling and Flowcharting
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* Copyright (C) 2000-2001 theKompany.com & Dave Marotti
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "kivio_point.h"
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#include "kivio_common.h"
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#include <kdebug.h>
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/*
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* Names for the different point types. invalid
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* and last are not used for any real point type,
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* and only serve as bounds checking devices.
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*/
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static const char *KivioPointTypeNames[]={
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"invalid", "normal", "bezier", "arc", "last"
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};
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/**
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* Constructor
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*
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* Sets this point to (0,0) and of type normal.
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*/
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KivioPoint::KivioPoint()
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{
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m_x = 0.0f;
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m_y = 0.0f;
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m_pointType = kptNormal;
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}
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/**
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* Copy constructor
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*
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* @param copy The KivioPoint to make a copy of.
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*
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* Copies copy into this object.
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*/
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KivioPoint::KivioPoint( const KivioPoint © )
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{
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m_x = copy.m_x;
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m_y = copy.m_y;
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m_pointType = copy.m_pointType;
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}
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/**
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* Alternate constructor.
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*
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* @param newX The x value of the point
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* @param newY The y value of the point
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* @param pt The point type
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*
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* Creates a new point with values.
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*/
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KivioPoint::KivioPoint( double newX, double newY, KivioPointType pt )
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{
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m_x = newX;
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m_y = newY;
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m_pointType = pt;
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}
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/**
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* Destructor
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*/
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KivioPoint::~KivioPoint()
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{
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}
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/**
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* Copies this object's data into pTarget
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*
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* @param pTarget The destination of the copy
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*/
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void KivioPoint::copyInto( KivioPoint *pTarget ) const
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{
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if( !pTarget )
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return;
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pTarget->m_x = m_x;
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pTarget->m_y = m_y;
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pTarget->m_pointType = m_pointType;
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}
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/**
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* Figure out the KivioPointType from a string
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*
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* @param str The string to search with
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*
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* This will figure out the KivioPointType from a string. For example,
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* "normal" will return kptNormal.
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*/
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KivioPoint::KivioPointType KivioPoint::pointTypeFromString( const TQString &str )
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{
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int i;
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// Iterate through all the possible enums
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for( i=(int)kptNone+1; i<(int)kptLast; i++ )
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{
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// If we find it, return it
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if( str.compare( KivioPointTypeNames[i] )==0 )
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{
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return (KivioPointType)i;
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}
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}
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// Otherwise return an invalid type
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return kptNone;
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}
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/**
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* Load this object from an XML element
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*
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* @param e The element to load from
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* @returns true on success, false on failure.
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*/
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bool KivioPoint::loadXML( const TQDomElement &e )
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{
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if( e.tagName().compare( "KivioPoint" ) != 0 )
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{
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kdDebug(43000) << "Attempted to load KivioPoint from non-KivioPoint element" << endl;
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return false;
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}
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m_x = XmlReadFloat( e, "x", 1.0f );
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m_y = XmlReadFloat( e, "y", 1.0f );
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m_pointType = (KivioPointType)pointTypeFromString( XmlReadString( e, "type", "normal" ) );
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return true;
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}
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/**
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* Save this object to an XML element
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*
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* @param doc The document we are saving to
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* @returns TQDomElement
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*/
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TQDomElement KivioPoint::saveXML( TQDomDocument &doc )
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{
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TQDomElement e = doc.createElement("KivioPoint");
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XmlWriteFloat( e, TQString("x"), m_x );
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XmlWriteFloat( e, TQString("y"), m_y );
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XmlWriteString( e, TQString("type"), TQString(KivioPointTypeNames[m_pointType]) );
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return e;
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}
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