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787 lines
20 KiB
787 lines
20 KiB
15 years ago
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/*
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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_arrowhead.h"
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#include "kivio_common.h"
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#include "kivio_painter.h"
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#include "kivio_point.h"
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#include "kivio_fill_style.h"
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#include <math.h>
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#include <kdebug.h>
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#include <KoZoomHandler.h>
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KivioArrowHead::KivioArrowHead()
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{
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// Both of these values are in pixels
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m_cut = 0.0f;
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m_w = m_l = 10.0f;
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m_type = kahtNone;
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}
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KivioArrowHead::~KivioArrowHead()
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{
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}
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QDomElement KivioArrowHead::saveXML( QDomDocument &doc )
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{
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QDomElement e = doc.createElement("KivioArrowHead");
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XmlWriteFloat( e, "cut", m_cut );
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XmlWriteFloat( e, "w", m_w );
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XmlWriteFloat( e, "l", m_l );
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XmlWriteInt( e, "type", m_type );
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return e;
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}
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bool KivioArrowHead::loadXML( const QDomElement &e )
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{
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m_cut = XmlReadFloat( e, "cut", 0.0f );
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m_w = XmlReadFloat( e, "w", 10.0f );
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m_l = XmlReadFloat( e, "l", 10.0f );
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m_type = XmlReadInt( e, "type", m_type );
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return true;
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}
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void KivioArrowHead::setType(int t)
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{
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m_type = t;
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switch( t )
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{
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case kahtNone:
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m_cut = 0.0f;
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break;
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case kahtArrowLine:
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case kahtForwardSlash:
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case kahtBackSlash:
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case kahtPipe:
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case kahtCrowFoot:
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case kahtFork:
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case kahtCrowFootPipe:
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case kahtMidForwardSlash:
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case kahtMidBackSlash:
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case kahtMidPipe:
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m_cut = 0.0f;
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break;
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case kahtArrowTriangleSolid:
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case kahtArrowTriangleHollow:
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case kahtDoubleTriangleSolid:
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case kahtDoubleTriangleHollow:
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case kahtDiamondSolid:
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case kahtDiamondHollow:
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// case kahtCircleSolid:
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// case kahtCircleHollow:
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m_cut = KIVIO_CUT_LENGTH;
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break;
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default:
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m_type = kahtNone;
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m_cut = 0.0f;
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break;
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}
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}
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float KivioArrowHead::cut()
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{
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if( m_cut == KIVIO_CUT_LENGTH )
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return m_l;
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else if( m_cut == KIVIO_CUT_HALF_LENGTH )
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return m_l / 2.0f;
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return m_cut;
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}
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/**
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* Paints the arrow head at a given point, direction, and scale.
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*
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* @param painter The painter object to draw with
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* @param x The x position of the arrow head (the point)
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* @param y The y position of the arrow head (the point)
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* @param vecX The X component of the negative direction vector
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* @param vecY The Y component of the negative direction vector
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* @param zoomHandler The zoom handler to use to scale
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*
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* The (x,y) should be the vertex
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* representing the endpoint of the line. The <vecX, vecY> is a vector
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* pointing to (x,y) (in the direction of the arrow head).
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*/
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void KivioArrowHead::paint( KivioPainter *painter, float x, float y, float vecX, float vecY, KoZoomHandler* zoomHandler )
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{
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KivioArrowHeadData d;
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d.painter = painter;
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d.x = x;
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d.y = y;
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d.vecX = vecX;
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d.vecY = vecY;
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d.zoomHandler = zoomHandler;
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// One big-ass switch statement
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switch( m_type )
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{
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case kahtNone:
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return;
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case kahtArrowLine:
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paintArrowLine( &d );
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break;
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case kahtArrowTriangleSolid:
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paintArrowTriangle( &d, true );
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break;
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case kahtArrowTriangleHollow:
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paintArrowTriangle( &d, false );
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break;
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case kahtDoubleTriangleSolid:
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paintDoubleTriangle( &d, true );
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break;
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case kahtDoubleTriangleHollow:
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paintDoubleTriangle( &d, false );
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break;
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case kahtForwardSlash:
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paintForwardSlash( &d );
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break;
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case kahtBackSlash:
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paintBackSlash( &d );
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break;
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case kahtPipe:
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paintPipe( &d );
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break;
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case kahtMidForwardSlash:
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paintMidForwardSlash( &d );
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break;
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case kahtMidBackSlash:
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paintMidBackSlash( &d );
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break;
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case kahtMidPipe:
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paintMidPipe( &d );
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break;
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case kahtDiamondSolid:
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paintDiamond( &d, true );
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break;
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case kahtDiamondHollow:
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paintDiamond( &d, false );
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break;
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case kahtCrowFoot:
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paintCrowFoot( &d );
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break;
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case kahtFork:
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paintFork( &d );
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break;
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case kahtCrowFootPipe:
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paintCrowFootPipe( &d );
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break;
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/*
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case kahtCircleSolid:
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paintCircle( &d, true );
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break;
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case kahtCircleHollow:
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paintCircle( &d, false );
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break;
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*/
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default:
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break;
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}
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}
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void KivioArrowHead::paintArrowLine( KivioArrowHeadData *d )
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{
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KivioPainter *painter = d->painter;
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float vecX = d->vecX;
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float vecY = d->vecY;
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float length;
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KoZoomHandler* zoomHandler = d->zoomHandler;
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float nvecX, nvecY; // normalized vectors
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float pvecX, pvecY; // normal perpendicular vector
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length = sqrt( vecX*vecX + vecY*vecY );
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nvecX = - vecX / length;
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nvecY = - vecY / length;
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pvecX = nvecY;
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pvecY = -nvecX;
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QPtrList<KivioPoint>l;
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l.setAutoDelete(true);
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float _x;
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float _y;
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_x = zoomHandler->zoomItX((d->x + nvecX * m_l) + pvecX*(m_w/2.0f));
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_y = zoomHandler->zoomItY((d->y + nvecY * m_l) + pvecY*(m_w/2.0f));
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l.append( new KivioPoint( _x, _y ) );
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_x = zoomHandler->zoomItX(d->x);
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_y = zoomHandler->zoomItY(d->y);
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l.append( new KivioPoint( _x, _y ) ); // point
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pvecX *= -1.0f;
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pvecY *= -1.0f;
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_x = zoomHandler->zoomItX((d->x + nvecX * m_l) + pvecX*(m_w/2.0f));
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_y = zoomHandler->zoomItY((d->y + nvecY * m_l) + pvecY*(m_w/2.0f));
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l.append( new KivioPoint( _x, _y ) );
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painter->drawPolyline( &l );
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}
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void KivioArrowHead::paintArrowTriangle( KivioArrowHeadData *d, bool solid )
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{
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KivioPainter *painter = d->painter;
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QColor cbg = painter->bgColor();
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if(solid) {
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painter->setBGColor(painter->fgColor());
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}
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float vecX = d->vecX;
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float vecY = d->vecY;
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float length;
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KoZoomHandler* zoomHandler = d->zoomHandler;
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float nvecX, nvecY; // normalized vectors
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float pvecX, pvecY; // normal perpendicular vector
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length = sqrt( vecX*vecX + vecY*vecY );
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nvecX = - vecX / length;
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nvecY = - vecY / length;
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pvecX = nvecY;
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pvecY = -nvecX;
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QPtrList<KivioPoint>l;
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l.setAutoDelete(true);
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float _x = zoomHandler->zoomItX(d->x);
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float _y = zoomHandler->zoomItY(d->y);
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l.append( new KivioPoint( _x, _y ) );
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_x = zoomHandler->zoomItX((d->x + nvecX * m_l) + pvecX*(m_w/2.0f));
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_y = zoomHandler->zoomItY((d->y + nvecY * m_l) + pvecY*(m_w/2.0f));
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l.append( new KivioPoint( _x, _y ) );
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pvecX *= -1.0f;
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pvecY *= -1.0f;
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_x = zoomHandler->zoomItX((d->x + nvecX * m_l) + pvecX*(m_w/2.0f));
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_y = zoomHandler->zoomItY((d->y + nvecY * m_l) + pvecY*(m_w/2.0f));
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l.append( new KivioPoint( _x, _y ) );
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l.append( new KivioPoint( zoomHandler->zoomItX(d->x), zoomHandler->zoomItY(d->y) ) );
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painter->drawPolygon( &l );
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painter->setBGColor(cbg);
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}
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void KivioArrowHead::paintDoubleTriangle( KivioArrowHeadData *d, bool solid )
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{
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KivioPainter *painter = d->painter;
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QColor cbg = painter->bgColor();
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if(solid) {
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painter->setBGColor(painter->fgColor());
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}
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float vecX = d->vecX;
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float vecY = d->vecY;
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float length;
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KoZoomHandler* zoomHandler = d->zoomHandler;
|
||
|
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float nvecX, nvecY; // normalized vectors
|
||
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float pvecX, pvecY; // normal perpendicular vector
|
||
|
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length = sqrt( vecX*vecX + vecY*vecY );
|
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nvecX = - vecX / length;
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nvecY = - vecY / length;
|
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pvecX = nvecY;
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pvecY = -nvecX;
|
||
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QPtrList<KivioPoint> l1;
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l1.setAutoDelete(true);
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QPtrList<KivioPoint> l2;
|
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l2.setAutoDelete(true);
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float _x = zoomHandler->zoomItX(d->x);
|
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float _y = zoomHandler->zoomItY(d->y);
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l1.append( new KivioPoint( _x, _y ) );
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_x = zoomHandler->zoomItX(d->x + nvecX * (m_l / 2.0f));
|
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_y = zoomHandler->zoomItY(d->y + nvecY * (m_l / 2.0f));
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l2.append( new KivioPoint( _x, _y ) );
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_x = zoomHandler->zoomItX((d->x + nvecX * (m_l / 2.0f)) + pvecX*(m_w/2.0f));
|
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_y = zoomHandler->zoomItY((d->y + nvecY * (m_l / 2.0f)) + pvecY*(m_w/2.0f));
|
||
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l1.append( new KivioPoint( _x, _y ) );
|
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|
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||
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_x = zoomHandler->zoomItX((d->x + nvecX * m_l) + pvecX*(m_w/2.0f));
|
||
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_y = zoomHandler->zoomItY((d->y + nvecY * m_l) + pvecY*(m_w/2.0f));
|
||
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l2.append( new KivioPoint( _x, _y ) );
|
||
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|
||
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pvecX *= -1.0f;
|
||
|
pvecY *= -1.0f;
|
||
|
|
||
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_x = zoomHandler->zoomItX((d->x + nvecX * (m_l / 2.0f)) + pvecX*(m_w/2.0f));
|
||
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_y = zoomHandler->zoomItY((d->y + nvecY * (m_l / 2.0f)) + pvecY*(m_w/2.0f));
|
||
|
l1.append( new KivioPoint( _x, _y ) );
|
||
|
|
||
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_x = zoomHandler->zoomItX((d->x + nvecX * m_l) + pvecX*(m_w/2.0f));
|
||
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_y = zoomHandler->zoomItY((d->y + nvecY * m_l) + pvecY*(m_w/2.0f));
|
||
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l2.append( new KivioPoint( _x, _y ) );
|
||
|
|
||
|
l1.append( new KivioPoint( zoomHandler->zoomItX(d->x), zoomHandler->zoomItY(d->y) ) );
|
||
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|
||
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_x = zoomHandler->zoomItX(d->x + nvecX * (m_l / 2.0f));
|
||
|
_y = zoomHandler->zoomItY(d->y + nvecY * (m_l / 2.0f));
|
||
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l2.append( new KivioPoint( _x, _y ) );
|
||
|
|
||
|
painter->drawPolygon( &l1 );
|
||
|
painter->drawPolygon( &l2 );
|
||
|
painter->setBGColor(cbg);
|
||
|
}
|
||
|
|
||
|
void KivioArrowHead::paintForwardSlash( KivioArrowHeadData *d )
|
||
|
{
|
||
|
KivioPainter *painter = d->painter;
|
||
|
|
||
|
float vecX = d->vecX;
|
||
|
float vecY = d->vecY;
|
||
|
|
||
|
KoZoomHandler* zoomHandler = d->zoomHandler;
|
||
|
|
||
|
float nvecX, nvecY; // normalized vectors
|
||
|
float pvecX, pvecY; // normal perpendicular vector
|
||
|
|
||
|
float length = sqrt( vecX*vecX + vecY*vecY );
|
||
|
|
||
|
nvecX = - vecX / length;
|
||
|
nvecY = - vecY / length;
|
||
|
|
||
|
pvecX = nvecY;
|
||
|
pvecY = -nvecX;
|
||
|
|
||
|
int x1 = zoomHandler->zoomItX((d->x + nvecX * (m_l/2.0f)) + pvecX*(m_w/2.0f));
|
||
|
int y1 = zoomHandler->zoomItY((d->y + nvecY * (m_l/2.0f)) + pvecY*(m_w/2.0f));
|
||
|
int x2 = zoomHandler->zoomItX((d->x - nvecX * (m_l/2.0f)) - pvecX*(m_w/2.0f));
|
||
|
int y2 = zoomHandler->zoomItY((d->y - nvecY * (m_l/2.0f)) - pvecY*(m_w/2.0f));
|
||
|
|
||
|
painter->drawLine(x1, y1, x2, y2);
|
||
|
}
|
||
|
|
||
|
void KivioArrowHead::paintBackSlash( KivioArrowHeadData *d )
|
||
|
{
|
||
|
KivioPainter *painter = d->painter;
|
||
|
|
||
|
float vecX = d->vecX;
|
||
|
float vecY = d->vecY;
|
||
|
|
||
|
KoZoomHandler* zoomHandler = d->zoomHandler;
|
||
|
|
||
|
float nvecX, nvecY; // normalized vectors
|
||
|
float pvecX, pvecY; // normal perpendicular vector
|
||
|
|
||
|
float length = sqrt( vecX*vecX + vecY*vecY );
|
||
|
|
||
|
nvecX = - vecX / length;
|
||
|
nvecY = - vecY / length;
|
||
|
|
||
|
pvecX = nvecY;
|
||
|
pvecY = -nvecX;
|
||
|
|
||
|
int x1 = zoomHandler->zoomItX((d->x - nvecX * (m_l/2.0f)) + pvecX*(m_w/2.0f));
|
||
|
int y1 = zoomHandler->zoomItY((d->y - nvecY * (m_l/2.0f)) + pvecY*(m_w/2.0f));
|
||
|
int x2 = zoomHandler->zoomItX((d->x + nvecX * (m_l/2.0f)) - pvecX*(m_w/2.0f));
|
||
|
int y2 = zoomHandler->zoomItY((d->y + nvecY * (m_l/2.0f)) - pvecY*(m_w/2.0f));
|
||
|
|
||
|
painter->drawLine(x1, y1, x2, y2);
|
||
|
}
|
||
|
|
||
|
void KivioArrowHead::paintPipe( KivioArrowHeadData *d )
|
||
|
{
|
||
|
KivioPainter *painter = d->painter;
|
||
|
|
||
|
float vecX = d->vecX;
|
||
|
float vecY = d->vecY;
|
||
|
|
||
|
KoZoomHandler* zoomHandler = d->zoomHandler;
|
||
|
|
||
|
float nvecX, nvecY; // normalized vectors
|
||
|
float pvecX, pvecY; // normal perpendicular vector
|
||
|
|
||
|
float length = sqrt( vecX*vecX + vecY*vecY );
|
||
|
|
||
|
nvecX = - vecX / length;
|
||
|
nvecY = - vecY / length;
|
||
|
|
||
|
pvecX = nvecY;
|
||
|
pvecY = -nvecX;
|
||
|
|
||
|
int x1 = zoomHandler->zoomItX(d->x + pvecX*(m_w/2.0f));
|
||
|
int y1 = zoomHandler->zoomItY(d->y + pvecY*(m_w/2.0f));
|
||
|
int x2 = zoomHandler->zoomItX(d->x - pvecX*(m_w/2.0f));
|
||
|
int y2 = zoomHandler->zoomItY(d->y - pvecY*(m_w/2.0f));
|
||
|
|
||
|
painter->drawLine(x1, y1, x2, y2);
|
||
|
}
|
||
|
|
||
|
void KivioArrowHead::paintDiamond( KivioArrowHeadData *d, bool solid )
|
||
|
{
|
||
|
KivioPainter *painter = d->painter;
|
||
|
QColor cbg = painter->bgColor();
|
||
|
|
||
|
if(solid) {
|
||
|
painter->setBGColor(painter->fgColor());
|
||
|
}
|
||
|
|
||
|
float vecX = d->vecX;
|
||
|
float vecY = d->vecY;
|
||
|
|
||
|
KoZoomHandler* zoomHandler = d->zoomHandler;
|
||
|
|
||
|
float nvecX, nvecY; // normalized vectors
|
||
|
float pvecX, pvecY; // normal perpendicular vector
|
||
|
|
||
|
float length = sqrt( vecX*vecX + vecY*vecY );
|
||
|
|
||
|
nvecX = - vecX / length;
|
||
|
nvecY = - vecY / length;
|
||
|
|
||
|
pvecX = nvecY;
|
||
|
pvecY = -nvecX;
|
||
|
|
||
|
QPtrList<KivioPoint> l;
|
||
|
l.setAutoDelete(true);
|
||
|
|
||
|
float _x = zoomHandler->zoomItX(d->x);
|
||
|
float _y = zoomHandler->zoomItY(d->y);
|
||
|
l.append( new KivioPoint( _x, _y ) );
|
||
|
|
||
|
_x = zoomHandler->zoomItX((d->x + nvecX * (m_l/2.0f)) - pvecX*(m_w/2.0f));
|
||
|
_y = zoomHandler->zoomItY((d->y + nvecY * (m_l/2.0f)) - pvecY*(m_w/2.0f));
|
||
|
l.append( new KivioPoint( _x, _y ) );
|
||
|
|
||
|
_x = zoomHandler->zoomItX((d->x + nvecX * m_l));
|
||
|
_y = zoomHandler->zoomItY((d->y + nvecY * m_l));
|
||
|
l.append( new KivioPoint( _x, _y ) );
|
||
|
|
||
|
_x = zoomHandler->zoomItX((d->x + nvecX * (m_l/2.0f)) + pvecX*(m_w/2.0f));
|
||
|
_y = zoomHandler->zoomItY((d->y + nvecY * (m_l/2.0f)) + pvecY*(m_w/2.0f));
|
||
|
l.append( new KivioPoint( _x, _y ) );
|
||
|
|
||
|
_x = zoomHandler->zoomItX(d->x);
|
||
|
_y = zoomHandler->zoomItY(d->y);
|
||
|
l.append( new KivioPoint( _x, _y ) );
|
||
|
|
||
|
painter->drawPolygon( &l );
|
||
|
painter->setBGColor(cbg);
|
||
|
}
|
||
|
|
||
|
void KivioArrowHead::paintCircle( KivioArrowHeadData *d, bool solid )
|
||
|
{
|
||
|
KivioPainter *painter = d->painter;
|
||
|
QColor cbg = painter->bgColor();
|
||
|
|
||
|
if(solid) {
|
||
|
painter->setBGColor(painter->fgColor());
|
||
|
}
|
||
|
|
||
|
float vecX = d->vecX;
|
||
|
float vecY = d->vecY;
|
||
|
|
||
|
KoZoomHandler* zoomHandler = d->zoomHandler;
|
||
|
|
||
|
float nvecX, nvecY; // normalized vectors
|
||
|
float pvecX, pvecY; // normal perpendicular vector
|
||
|
|
||
|
float length = sqrt( vecX*vecX + vecY*vecY );
|
||
|
|
||
|
nvecX = - vecX / length;
|
||
|
nvecY = - vecY / length;
|
||
|
|
||
|
pvecX = nvecY;
|
||
|
pvecY = -nvecX;
|
||
|
|
||
|
int x = zoomHandler->zoomItX(d->x + nvecX * (m_l / 2.0f));
|
||
|
int y = zoomHandler->zoomItY(d->y + nvecY * (m_l / 2.0f));
|
||
|
int w = zoomHandler->zoomItY(m_w);
|
||
|
int h = zoomHandler->zoomItX(m_l);
|
||
|
|
||
|
painter->drawEllipse(x, y, w, h);
|
||
|
painter->setBGColor(cbg);
|
||
|
}
|
||
|
|
||
|
void KivioArrowHead::paintCrowFoot( KivioArrowHeadData *d )
|
||
|
{
|
||
|
KivioPainter *painter = d->painter;
|
||
|
|
||
|
float vecX = d->vecX;
|
||
|
float vecY = d->vecY;
|
||
|
|
||
|
float length;
|
||
|
|
||
|
KoZoomHandler* zoomHandler = d->zoomHandler;
|
||
|
|
||
|
float nvecX, nvecY; // normalized vectors
|
||
|
float pvecX, pvecY; // normal perpendicular vector
|
||
|
|
||
|
length = sqrt( vecX*vecX + vecY*vecY );
|
||
|
|
||
|
nvecX = - vecX / length;
|
||
|
nvecY = - vecY / length;
|
||
|
|
||
|
pvecX = nvecY;
|
||
|
pvecY = -nvecX;
|
||
|
|
||
|
QPtrList<KivioPoint>l;
|
||
|
l.setAutoDelete(true);
|
||
|
|
||
|
float _x;
|
||
|
float _y;
|
||
|
|
||
|
_x = zoomHandler->zoomItX(d->x + pvecX*(m_w/2.0f));
|
||
|
_y = zoomHandler->zoomItY(d->y + pvecY*(m_w/2.0f));
|
||
|
|
||
|
l.append( new KivioPoint( _x, _y ) );
|
||
|
|
||
|
_x = zoomHandler->zoomItX(d->x + nvecX * m_l);
|
||
|
_y = zoomHandler->zoomItY(d->y + nvecY * m_l);
|
||
|
|
||
|
l.append( new KivioPoint( _x, _y ) ); // point
|
||
|
|
||
|
|
||
|
pvecX *= -1.0f;
|
||
|
pvecY *= -1.0f;
|
||
|
|
||
|
_x = zoomHandler->zoomItX(d->x + pvecX*(m_w/2.0f));
|
||
|
_y = zoomHandler->zoomItY(d->y + pvecY*(m_w/2.0f));
|
||
|
|
||
|
l.append( new KivioPoint( _x, _y ) );
|
||
|
|
||
|
|
||
|
painter->drawPolyline( &l );
|
||
|
}
|
||
|
|
||
|
void KivioArrowHead::paintFork( KivioArrowHeadData *d )
|
||
|
{
|
||
|
KivioPainter *painter = d->painter;
|
||
|
|
||
|
float vecX = d->vecX;
|
||
|
float vecY = d->vecY;
|
||
|
|
||
|
float length;
|
||
|
|
||
|
KoZoomHandler* zoomHandler = d->zoomHandler;
|
||
|
|
||
|
float nvecX, nvecY; // normalized vectors
|
||
|
float pvecX, pvecY; // normal perpendicular vector
|
||
|
|
||
|
length = sqrt( vecX*vecX + vecY*vecY );
|
||
|
|
||
|
nvecX = - vecX / length;
|
||
|
nvecY = - vecY / length;
|
||
|
|
||
|
pvecX = nvecY;
|
||
|
pvecY = -nvecX;
|
||
|
|
||
|
QPtrList<KivioPoint>l;
|
||
|
l.setAutoDelete(true);
|
||
|
|
||
|
float _x;
|
||
|
float _y;
|
||
|
|
||
|
_x = zoomHandler->zoomItX(d->x + pvecX*(m_w/2.0f));
|
||
|
_y = zoomHandler->zoomItY(d->y + pvecY*(m_w/2.0f));
|
||
|
|
||
|
l.append( new KivioPoint( _x, _y ) );
|
||
|
|
||
|
_x = zoomHandler->zoomItX((d->x + nvecX * m_l) + pvecX*(m_w/2.0f));
|
||
|
_y = zoomHandler->zoomItY((d->y + nvecY * m_l) + pvecY*(m_w/2.0f));
|
||
|
|
||
|
l.append( new KivioPoint( _x, _y ) );
|
||
|
|
||
|
pvecX *= -1.0f;
|
||
|
pvecY *= -1.0f;
|
||
|
|
||
|
_x = zoomHandler->zoomItX((d->x + nvecX * m_l) + pvecX*(m_w/2.0f));
|
||
|
_y = zoomHandler->zoomItY((d->y + nvecY * m_l) + pvecY*(m_w/2.0f));
|
||
|
|
||
|
l.append( new KivioPoint( _x, _y ) );
|
||
|
|
||
|
_x = zoomHandler->zoomItX(d->x + pvecX*(m_w/2.0f));
|
||
|
_y = zoomHandler->zoomItY(d->y + pvecY*(m_w/2.0f));
|
||
|
|
||
|
l.append( new KivioPoint( _x, _y ) );
|
||
|
|
||
|
|
||
|
painter->drawPolyline( &l );
|
||
|
}
|
||
|
|
||
|
void KivioArrowHead::paintCrowFootPipe( KivioArrowHeadData *d )
|
||
|
{
|
||
|
KivioPainter *painter = d->painter;
|
||
|
|
||
|
float vecX = d->vecX;
|
||
|
float vecY = d->vecY;
|
||
|
|
||
|
KoZoomHandler* zoomHandler = d->zoomHandler;
|
||
|
|
||
|
float nvecX, nvecY; // normalized vectors
|
||
|
float pvecX, pvecY; // normal perpendicular vector
|
||
|
|
||
|
float length = sqrt( vecX*vecX + vecY*vecY );
|
||
|
|
||
|
nvecX = - vecX / length;
|
||
|
nvecY = - vecY / length;
|
||
|
|
||
|
pvecX = nvecY;
|
||
|
pvecY = -nvecX;
|
||
|
|
||
|
int x1 = zoomHandler->zoomItX((d->x + nvecX * m_l) + pvecX*(m_w/2.0f));
|
||
|
int y1 = zoomHandler->zoomItY((d->y + nvecY * m_l) + pvecY*(m_w/2.0f));
|
||
|
int x2 = zoomHandler->zoomItX((d->x + nvecX * m_l) - pvecX*(m_w/2.0f));
|
||
|
int y2 = zoomHandler->zoomItY((d->y + nvecY * m_l) - pvecY*(m_w/2.0f));
|
||
|
|
||
|
painter->drawLine(x1, y1, x2, y2);
|
||
|
paintCrowFoot( d );
|
||
|
}
|
||
|
|
||
|
void KivioArrowHead::paintMidForwardSlash( KivioArrowHeadData *d )
|
||
|
{
|
||
|
KivioPainter *painter = d->painter;
|
||
|
|
||
|
float vecX = d->vecX;
|
||
|
float vecY = d->vecY;
|
||
|
|
||
|
KoZoomHandler* zoomHandler = d->zoomHandler;
|
||
|
|
||
|
float nvecX, nvecY; // normalized vectors
|
||
|
float pvecX, pvecY; // normal perpendicular vector
|
||
|
|
||
|
float length = sqrt( vecX*vecX + vecY*vecY );
|
||
|
|
||
|
nvecX = - vecX / length;
|
||
|
nvecY = - vecY / length;
|
||
|
|
||
|
pvecX = nvecY;
|
||
|
pvecY = -nvecX;
|
||
|
|
||
|
int x1 = zoomHandler->zoomItX(d->x + pvecX*(m_w/2.0f));
|
||
|
int y1 = zoomHandler->zoomItY(d->y + pvecY*(m_w/2.0f));
|
||
|
int x2 = zoomHandler->zoomItX((d->x + nvecX * m_l) - pvecX*(m_w/2.0f));
|
||
|
int y2 = zoomHandler->zoomItY((d->y + nvecY * m_l) - pvecY*(m_w/2.0f));
|
||
|
|
||
|
painter->drawLine(x1, y1, x2, y2);
|
||
|
}
|
||
|
|
||
|
void KivioArrowHead::paintMidBackSlash( KivioArrowHeadData *d )
|
||
|
{
|
||
|
KivioPainter *painter = d->painter;
|
||
|
|
||
|
float vecX = d->vecX;
|
||
|
float vecY = d->vecY;
|
||
|
|
||
|
KoZoomHandler* zoomHandler = d->zoomHandler;
|
||
|
|
||
|
float nvecX, nvecY; // normalized vectors
|
||
|
float pvecX, pvecY; // normal perpendicular vector
|
||
|
|
||
|
float length = sqrt( vecX*vecX + vecY*vecY );
|
||
|
|
||
|
nvecX = - vecX / length;
|
||
|
nvecY = - vecY / length;
|
||
|
|
||
|
pvecX = nvecY;
|
||
|
pvecY = -nvecX;
|
||
|
|
||
|
int x1 = zoomHandler->zoomItX((d->x + nvecX * m_l) + pvecX*(m_w/2.0f));
|
||
|
int y1 = zoomHandler->zoomItY((d->y + nvecY * m_l) + pvecY*(m_w/2.0f));
|
||
|
int x2 = zoomHandler->zoomItX(d->x - pvecX*(m_w/2.0f));
|
||
|
int y2 = zoomHandler->zoomItY(d->y - pvecY*(m_w/2.0f));
|
||
|
|
||
|
painter->drawLine(x1, y1, x2, y2);
|
||
|
}
|
||
|
|
||
|
void KivioArrowHead::paintMidPipe( KivioArrowHeadData *d )
|
||
|
{
|
||
|
KivioPainter *painter = d->painter;
|
||
|
|
||
|
float vecX = d->vecX;
|
||
|
float vecY = d->vecY;
|
||
|
|
||
|
KoZoomHandler* zoomHandler = d->zoomHandler;
|
||
|
|
||
|
float nvecX, nvecY; // normalized vectors
|
||
|
float pvecX, pvecY; // normal perpendicular vector
|
||
|
|
||
|
float length = sqrt( vecX*vecX + vecY*vecY );
|
||
|
|
||
|
nvecX = - vecX / length;
|
||
|
nvecY = - vecY / length;
|
||
|
|
||
|
pvecX = nvecY;
|
||
|
pvecY = -nvecX;
|
||
|
|
||
|
int x1 = zoomHandler->zoomItX((d->x + nvecX * (m_l/2.0f)) + pvecX*(m_w/2.0f));
|
||
|
int y1 = zoomHandler->zoomItY((d->y + nvecY * (m_l/2.0f)) + pvecY*(m_w/2.0f));
|
||
|
int x2 = zoomHandler->zoomItX((d->x + nvecX * (m_l/2.0f)) - pvecX*(m_w/2.0f));
|
||
|
int y2 = zoomHandler->zoomItY((d->y + nvecY * (m_l/2.0f)) - pvecY*(m_w/2.0f));
|
||
|
|
||
|
painter->drawLine(x1, y1, x2, y2);
|
||
|
}
|