416 lines
12 KiB
C++
416 lines
12 KiB
C++
/***************************************************************************
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* Copyright (c) 2016 WandererFan <wandererfan@gmail.com> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library 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 Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#include "PreCompiled.h"
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#ifndef _PreComp_
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#include <QPainter>
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#include <QPainterPathStroker>
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#include <QStyleOptionGraphicsItem>
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#endif
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#include <App/Application.h>
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#include <App/Material.h>
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#include <Base/Console.h>
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#include <Base/Parameter.h>
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//#include <Mod/TechDraw/App/Preferences.h>
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#include <Mod/TechDraw/App/DrawUtil.h>
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#include <qmath.h>
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#include "Rez.h"
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#include "PreferencesGui.h"
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#include "QGIView.h"
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#include "QGISectionLine.h"
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#define ANSISTANDARD 0
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#define ISOSTANDARD 1
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using namespace TechDrawGui;
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using namespace TechDraw;
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QGISectionLine::QGISectionLine()
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{
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m_symbol = "";
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m_symSize = 0.0;
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m_extLen = 1.5 * Rez::guiX(QGIArrow::getPrefArrowSize());
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m_arrowSize = QGIArrow::getPrefArrowSize();
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m_line = new QGraphicsPathItem();
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addToGroup(m_line);
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m_arrow1 = new QGIArrow();
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addToGroup(m_arrow1);
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m_arrow2 = new QGIArrow();
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addToGroup(m_arrow2);
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m_symbol1 = new QGCustomText();
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addToGroup(m_symbol1);
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m_symbol2 = new QGCustomText();
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addToGroup(m_symbol2);
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setWidth(Rez::guiX(0.75));
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setStyle(getSectionStyle());
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setColor(getSectionColor());
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}
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void QGISectionLine::draw()
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{
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prepareGeometryChange();
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int format = getPrefSectionStandard();
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if (format == ANSISTANDARD) { //"ASME"/"ANSI"
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extensionEndsTrad();
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} else {
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extensionEndsISO();
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}
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makeLine();
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makeArrows();
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makeSymbols();
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update();
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}
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void QGISectionLine::makeLine()
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{
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QPainterPath pp;
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pp.moveTo(m_beginExt1);
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pp.lineTo(m_endExt1);
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pp.moveTo(m_beginExt2);
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pp.lineTo(m_endExt2);
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pp.moveTo(m_start);
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pp.lineTo(m_end);
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m_line->setPath(pp);
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}
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void QGISectionLine::makeArrows()
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{
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int format = getPrefSectionStandard();
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if (format == ANSISTANDARD) {
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makeArrowsTrad();
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} else {
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makeArrowsISO();
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}
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}
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//make Euro (ISO) Arrows
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void QGISectionLine::makeArrowsISO()
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{
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double arrowRotation = 0.0;
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m_arrowDir.Normalize();
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double angle = atan2f(m_arrowDir.y,m_arrowDir.x);
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if (angle < 0.0) {
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angle = 2 * M_PI + angle;
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}
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arrowRotation = 360.0 - angle * (180.0/M_PI); //convert to Qt rotation (clockwise degrees)
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m_arrow1->setStyle(0);
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m_arrow1->setSize(QGIArrow::getPrefArrowSize());
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m_arrow1->setPos(m_start);
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m_arrow1->draw();
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m_arrow1->setRotation(arrowRotation); //rotation = 0 ==> -> horizontal, pointing right
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m_arrow2->setStyle(0);
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m_arrow2->setSize(QGIArrow::getPrefArrowSize());
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m_arrow2->setPos(m_end);
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m_arrow2->draw();
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m_arrow2->setRotation(arrowRotation);
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}
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//make traditional (ASME) section arrows
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void QGISectionLine::makeArrowsTrad()
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{
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double arrowRotation = 0.0;
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m_arrowDir.Normalize();
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double angle = atan2f(m_arrowDir.y,m_arrowDir.x);
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if (angle < 0.0) {
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angle = 2 * M_PI + angle;
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}
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arrowRotation = 360.0 - angle * (180.0/M_PI); //convert to Qt rotation (clockwise degrees)
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QPointF posArrow1,posArrow2;
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QPointF offsetDir(m_arrowDir.x,-m_arrowDir.y); //remember Y dir is flipped
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double oblique = 1.0;
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if ( !DrawUtil::fpCompare((m_arrowDir.x + m_arrowDir.y), 1.0) ) {
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oblique = 1.25;
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}
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double offsetLength = (m_extLen * oblique) + Rez::guiX(QGIArrow::getPrefArrowSize());
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QPointF offsetVec = offsetLength * offsetDir;
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posArrow1 = m_start + offsetVec;
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posArrow2 = m_end + offsetVec;
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m_arrow1->setStyle(0);
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m_arrow1->setSize(QGIArrow::getPrefArrowSize());
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m_arrow1->setPos(posArrow1);
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m_arrow1->draw();
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m_arrow1->setRotation(arrowRotation); //rotation = 0 ==> -> horizontal, pointing right
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m_arrow2->setStyle(0);
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m_arrow2->setSize(QGIArrow::getPrefArrowSize());
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m_arrow2->setPos(posArrow2);
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m_arrow2->draw();
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m_arrow2->setRotation(arrowRotation);
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}
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void QGISectionLine::makeSymbols()
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{
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int format = getPrefSectionStandard();
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if (format == ANSISTANDARD) {
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makeSymbolsTrad();
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} else {
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makeSymbolsISO();
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}
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}
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void QGISectionLine::makeSymbolsTrad()
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{
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prepareGeometryChange();
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m_symFont.setPixelSize(QGIView::calculateFontPixelSize(m_symSize));
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m_symbol1->setFont(m_symFont);
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m_symbol1->setPlainText(QString::fromUtf8(m_symbol));
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m_symbol2->setFont(m_symFont);
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m_symbol2->setPlainText(QString::fromUtf8(m_symbol));
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QRectF symRect = m_symbol1->boundingRect();
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double symWidth = symRect.width();
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double symHeight = symRect.height();
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double symbolFudge = 0.75;
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double angle = atan2f(m_arrowDir.y,m_arrowDir.x);
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if (angle < 0.0) {
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angle = 2 * M_PI + angle;
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}
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Base::Vector3d adjustVector(cos(angle) * symWidth, sin(angle) * symHeight, 0.0);
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adjustVector = DrawUtil::invertY(adjustVector) * symbolFudge;
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QPointF qAdjust(adjustVector.x, adjustVector.y);
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QPointF posSymbol1 = m_arrow1->pos() + qAdjust;
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m_symbol1->centerAt(posSymbol1);
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QPointF posSymbol2 = m_arrow2->pos() + qAdjust;
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m_symbol2->centerAt(posSymbol2);
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}
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void QGISectionLine::makeSymbolsISO()
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{
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prepareGeometryChange();
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m_symFont.setPixelSize(QGIView::calculateFontPixelSize(m_symSize));
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m_symbol1->setFont(m_symFont);
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m_symbol1->setPlainText(QString::fromUtf8(m_symbol));
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m_symbol2->setFont(m_symFont);
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m_symbol2->setPlainText(QString::fromUtf8(m_symbol));
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QPointF symPosStart, symPosEnd;
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//no normalize() for QPointF
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QPointF dist = (m_start - m_end);
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double lenDist = sqrt(dist.x()*dist.x() + dist.y()*dist.y());
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QPointF offsetDir = dist / lenDist;
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QRectF symRect = m_symbol1->boundingRect();
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double symWidth = symRect.width();
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double symHeight = symRect.height();
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double symbolFudge = 0.75;
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double angle = atan2f(offsetDir.y(), offsetDir.x());
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if (angle < 0.0) {
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angle = 2.0 * M_PI + angle;
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}
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Base::Vector3d adjustVector(cos(angle) * symWidth, sin(angle) * symHeight, 0.0);
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adjustVector = adjustVector * symbolFudge;
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QPointF qAdjust(adjustVector.x, adjustVector.y);
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symPosStart = m_start + qAdjust;
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symPosEnd = m_end - qAdjust;
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m_symbol1->centerAt(symPosStart);
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m_symbol2->centerAt(symPosEnd);
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}
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void QGISectionLine::extensionEndsTrad()
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{
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QPointF offsetDir(m_arrowDir.x,-m_arrowDir.y);
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//extensions for oblique section line needs to be a bit longer
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double oblique = 1.0;
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if ( !DrawUtil::fpCompare((m_arrowDir.x + m_arrowDir.y), 1.0) ) {
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oblique = 1.25;
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}
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//draw from section line endpoint
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QPointF offsetEnd = oblique * m_extLen * offsetDir;
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m_beginExt1 = m_start;
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m_endExt1 = m_start + offsetEnd;
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m_beginExt2 = m_end;
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m_endExt2 = m_end + offsetEnd;
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}
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void QGISectionLine::extensionEndsISO()
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{
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//lines are offset to other side of section line!
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QPointF offsetDir(m_arrowDir.x,-m_arrowDir.y);
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offsetDir = offsetDir * -1.0;
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//extensions for oblique section line needs to be a bit longer?
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//this is just esthetics
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double oblique = 1.0;
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if ( !DrawUtil::fpCompare((m_arrowDir.x + m_arrowDir.y), 1.0) ) {
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oblique = 1.10;
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}
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//draw from section line endpoint less arrow length
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QPointF offsetStart = offsetDir * Rez::guiX(QGIArrow::getPrefArrowSize());
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QPointF offsetEnd = oblique * m_extLen * offsetDir;
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m_beginExt1 = m_start + offsetStart;
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m_endExt1 = m_start + offsetStart + offsetEnd;
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m_beginExt2 = m_end + offsetStart;
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m_endExt2 = m_end + offsetStart + offsetEnd;
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}
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void QGISectionLine::setEnds(Base::Vector3d l1, Base::Vector3d l2)
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{
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m_l1 = l1;
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m_start = QPointF(l1.x, l1.y);
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m_l2 = l2;
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m_end = QPointF(l2.x, l2.y);
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}
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void QGISectionLine::setBounds(double x1,double y1,double x2,double y2)
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{
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m_start = QPointF(x1,y1);
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m_end = QPointF(x2,y2);
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}
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void QGISectionLine::setSymbol(char* sym)
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{
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m_symbol = sym;
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}
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void QGISectionLine::setDirection(double xDir,double yDir)
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{
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Base::Vector3d newDir(xDir,yDir,0.0);
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setDirection(newDir);
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}
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void QGISectionLine::setDirection(Base::Vector3d dir)
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{
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m_arrowDir = dir;
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m_arrowDir.Normalize();
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}
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void QGISectionLine::setFont(QFont f, double fsize)
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{
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m_symFont = f;
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m_symSize = fsize;
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}
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void QGISectionLine::setSectionColor(QColor c)
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{
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setColor(c);
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}
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QColor QGISectionLine::getSectionColor()
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{
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return PreferencesGui::sectionLineQColor();
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}
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//SectionLineStyle
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void QGISectionLine::setSectionStyle(int style)
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{
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Qt::PenStyle sectStyle = static_cast<Qt::PenStyle> (style);
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setStyle(sectStyle);
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}
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Qt::PenStyle QGISectionLine::getSectionStyle()
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{
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return PreferencesGui::sectionLineStyle();
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}
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//ASME("traditional") vs ISO("reference arrow method") arrows
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int QGISectionLine::getPrefSectionStandard()
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{
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Base::Reference<ParameterGrp> hGrp = App::GetApplication().GetUserParameter().
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GetGroup("BaseApp")->GetGroup("Preferences")->GetGroup("Mod/TechDraw/Standards");
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int format = hGrp->GetInt("SectionLineStandard", ISOSTANDARD);
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return format;
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}
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void QGISectionLine::paint ( QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget) {
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QStyleOptionGraphicsItem myOption(*option);
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myOption.state &= ~QStyle::State_Selected;
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setTools();
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QGIDecoration::paint (painter, &myOption, widget);
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}
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void QGISectionLine::setTools()
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{
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// Use our own style
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if (m_styleCurrent == Qt::DashDotLine) {
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QVector<qreal> dashes;
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// the stroke width is double the one of center lines, but we like to
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// have the same spacing. thus these values must be half as large
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qreal space = 2; // in unit r_width
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qreal dash = 8;
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// dot must be really small when using CapStyle RoundCap but > 0
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// for CapStyle FlatCap you would need to set it to 1
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qreal dot = 0.000001;
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dashes << dot << space << dash << space;
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// TODO for fanciness: calculate the offset so both arrows start with a
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// dash!
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m_pen.setDashPattern(dashes);
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m_pen.setDashOffset(2);
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}
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else {
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m_pen.setStyle(m_styleCurrent);
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}
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m_pen.setWidthF(m_width);
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m_pen.setColor(m_colCurrent);
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m_pen.setCapStyle(Qt::RoundCap);
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m_brush.setStyle(m_brushCurrent);
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m_brush.setColor(m_colCurrent);
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m_line->setPen(m_pen);
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// m_arrow1->setPen(m_pen);
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// m_arrow2->setPen(m_pen);
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// m_arrow1->setBrush(m_brush);
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// m_arrow2->setBrush(m_brush);
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m_arrow1->setNormalColor(m_colCurrent);
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m_arrow1->setFillColor(m_colCurrent);
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m_arrow1->setPrettyNormal();
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m_arrow2->setNormalColor(m_colCurrent);
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m_arrow2->setFillColor(m_colCurrent);
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m_arrow2->setPrettyNormal();
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m_symbol1->setDefaultTextColor(m_colCurrent);
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m_symbol2->setDefaultTextColor(m_colCurrent);
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}
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