227 lines
7.4 KiB
C++
227 lines
7.4 KiB
C++
/***************************************************************************
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* Copyright (c) 2015 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 <assert.h>
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#include <QGraphicsScene>
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#include <QGraphicsSceneHoverEvent>
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#include <QMouseEvent>
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#include <QPaintDevice>
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#include <QPainter>
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#include <QPrinter>
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#include <QSvgGenerator>
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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 <qmath.h>
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#include <QRectF>
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#include "Rez.h"
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#include "ZVALUE.h"
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#include "DrawGuiUtil.h"
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#include "QGICMark.h"
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#include "QGIView.h"
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#include "QGCustomText.h"
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using namespace TechDrawGui;
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QGCustomText::QGCustomText()
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{
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setCacheMode(QGraphicsItem::NoCache);
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setAcceptHoverEvents(false);
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setFlag(QGraphicsItem::ItemIsSelectable, false);
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setFlag(QGraphicsItem::ItemIsMovable, false);
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isHighlighted = false;
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m_colCurrent = getNormalColor();
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m_colNormal = m_colCurrent;
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}
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void QGCustomText::centerAt(QPointF centerPos)
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{
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centerAt(centerPos.x(),centerPos.y());
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// QRectF box = boundingRect();
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// double width = box.width();
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// double height = box.height();
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// double newX = centerPos.x() - width/2.;
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// double newY = centerPos.y() - height/2.;
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// setPos(newX,newY);
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}
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void QGCustomText::centerAt(double cX, double cY)
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{
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QRectF box = boundingRect();
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double width = box.width();
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double height = box.height();
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double newX = cX - width/2.;
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double newY = cY - height/2.;
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setPos(newX,newY);
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}
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QVariant QGCustomText::itemChange(GraphicsItemChange change, const QVariant &value)
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{
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if (change == ItemSelectedHasChanged && scene()) {
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if(isSelected()) {
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setPrettySel();
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} else {
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setPrettyNormal();
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}
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}
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return QGraphicsTextItem::itemChange(change, value);
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}
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void QGCustomText::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
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{
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if (!isSelected()) {
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setPrettyPre();
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}
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QGraphicsTextItem::hoverEnterEvent(event);
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}
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void QGCustomText::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
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{
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if(!isSelected() && !isHighlighted) {
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setPrettyNormal();
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}
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QGraphicsTextItem::hoverLeaveEvent(event);
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}
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void QGCustomText::setPrettyNormal() {
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// m_colCurrent = getNormalColor();
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m_colCurrent = m_colNormal;
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update();
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}
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void QGCustomText::setPrettyPre() {
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m_colCurrent = getPreColor();
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update();
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}
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void QGCustomText::setPrettySel() {
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m_colCurrent = getSelectColor();
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update();
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}
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void QGCustomText::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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//svg text is much larger than screen text. scene units(mm or 0.1mm in hirez) vs points.
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//need to scale text if going to svg.
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//TODO: magic translation happens. why? approx: right ~8mm down: 12mm + (3mm per mm of text height)
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//SVG transform matrix translation values are different for same font size + different fonts (Sans vs Ubuntu vs Arial)???
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// scale values are same for same font size + different fonts.
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//calculate dots/mm
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//in hirez - say factor = 10, we have 10 dpmm in scene space.
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// so 254dpi / 72pts/in => 3.53 dppt
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double dpmm = 3.53; //dots/pt
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double svgMagicX = Rez::guiX(8.0); //8mm -> 80 gui dots
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double svgMagicY = Rez::guiX(12.0);
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double svgMagicYoffset = Rez::guiX(3.0); // 3mm per mm of font size => 30gunits / mm of font size
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double fontSize = Rez::appX(font().pointSizeF()); //gui pts 4mm text * 10 scunits/mm = size 40 text but still only 4mm
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double ty = svgMagicY + (svgMagicYoffset*fontSize)/dpmm;
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// 12mm (in gunits) + [3mm (in gunits) * (# of mm)]/ [dots per mm] works out to dots?
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QPointF svgMove(-svgMagicX/dpmm,ty);
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QPaintDevice* hw = painter->device();
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QSvgGenerator* svg = dynamic_cast<QSvgGenerator*>(hw);
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if (svg) {
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painter->scale(Rez::appX(dpmm),Rez::appX(dpmm));
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painter->translate(svgMove);
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} else {
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painter->scale(1.0,1.0);
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}
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// painter->drawRect(boundingRect()); //good for debugging
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setDefaultTextColor(m_colCurrent);
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QGraphicsTextItem::paint (painter, &myOption, widget);
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}
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QColor QGCustomText::getNormalColor()
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{
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QColor result;
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QGIView *parent;
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QGraphicsItem* qparent = parentItem();
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if (qparent == nullptr) {
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parent = nullptr;
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} else {
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parent = dynamic_cast<QGIView *> (qparent);
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}
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if (parent != nullptr) {
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result = parent->getNormalColor();
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} else {
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Base::Reference<ParameterGrp> hGrp = getParmGroup();
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App::Color fcColor;
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fcColor.setPackedValue(hGrp->GetUnsigned("NormalColor", 0x00000000));
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result = fcColor.asValue<QColor>();
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}
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return result;
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}
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QColor QGCustomText::getPreColor()
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{
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Base::Reference<ParameterGrp> hGrp = getParmGroup();
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App::Color fcColor;
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fcColor.setPackedValue(hGrp->GetUnsigned("PreSelectColor", 0xFFFF0000));
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return fcColor.asValue<QColor>();
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}
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QColor QGCustomText::getSelectColor()
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{
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Base::Reference<ParameterGrp> hGrp = getParmGroup();
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App::Color fcColor;
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fcColor.setPackedValue(hGrp->GetUnsigned("SelectColor", 0x00FF0000));
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return fcColor.asValue<QColor>();
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}
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Base::Reference<ParameterGrp> QGCustomText::getParmGroup()
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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/Colors");
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return hGrp;
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}
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void QGCustomText::makeMark(double x, double y)
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{
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QGICMark* cmItem = new QGICMark(-1);
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cmItem->setParentItem(this);
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cmItem->setPos(x,y);
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cmItem->setThick(1.0);
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cmItem->setSize(40.0);
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cmItem->setZValue(ZVALUE::VERTEX);
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}
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void QGCustomText::makeMark(Base::Vector3d v)
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{
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makeMark(v.x,v.y);
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}
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