valentina/src/tools/vabstracttool.cpp

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/************************************************************************
**
** @file vabstracttool.cpp
** @author Roman Telezhinsky <dismine@gmail.com>
** @date November 15, 2013
**
** @brief
** @copyright
** This source code is part of the Valentine project, a pattern making
** program, whose allow create and modeling patterns of clothing.
** Copyright (C) 2013 Valentina project
** <https://bitbucket.org/dismine/valentina> All Rights Reserved.
**
** Valentina is free software: you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation, either version 3 of the License, or
** (at your option) any later version.
**
** Valentina is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with Valentina. If not, see <http://www.gnu.org/licenses/>.
**
*************************************************************************/
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#include "vabstracttool.h"
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const QString VAbstractTool::AttrType = QStringLiteral("type");
const QString VAbstractTool::AttrMx = QStringLiteral("mx");
const QString VAbstractTool::AttrMy = QStringLiteral("my");
const QString VAbstractTool::AttrName = QStringLiteral("name");
const QString VAbstractTool::AttrX = QStringLiteral("x");
const QString VAbstractTool::AttrY = QStringLiteral("y");
const QString VAbstractTool::AttrTypeLine = QStringLiteral("typeLine");
const QString VAbstractTool::AttrLength = QStringLiteral("length");
const QString VAbstractTool::AttrBasePoint = QStringLiteral("basePoint");
const QString VAbstractTool::AttrFirstPoint = QStringLiteral("firstPoint");
const QString VAbstractTool::AttrSecondPoint = QStringLiteral("secondPoint");
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const QString VAbstractTool::AttrThirdPoint = QStringLiteral("thirdPoint");
const QString VAbstractTool::AttrCenter = QStringLiteral("center");
const QString VAbstractTool::AttrRadius = QStringLiteral("radius");
const QString VAbstractTool::AttrAngle = QStringLiteral("angle");
const QString VAbstractTool::AttrAngle1 = QStringLiteral("angle1");
const QString VAbstractTool::AttrAngle2 = QStringLiteral("angle2");
const QString VAbstractTool::AttrP1Line = QStringLiteral("p1Line");
const QString VAbstractTool::AttrP2Line = QStringLiteral("p2Line");
const QString VAbstractTool::AttrP1Line1 = QStringLiteral("p1Line1");
const QString VAbstractTool::AttrP2Line1 = QStringLiteral("p2Line1");
const QString VAbstractTool::AttrP1Line2 = QStringLiteral("p1Line2");
const QString VAbstractTool::AttrP2Line2 = QStringLiteral("p2Line2");
const QString VAbstractTool::AttrPShoulder = QStringLiteral("pShoulder");
const QString VAbstractTool::AttrPoint1 = QStringLiteral("point1");
const QString VAbstractTool::AttrPoint4 = QStringLiteral("point4");
const QString VAbstractTool::AttrKAsm1 = QStringLiteral("kAsm1");
const QString VAbstractTool::AttrKAsm2 = QStringLiteral("kAsm2");
const QString VAbstractTool::AttrKCurve = QStringLiteral("kCurve");
const QString VAbstractTool::AttrPathPoint = QStringLiteral("pathPoint");
const QString VAbstractTool::AttrPSpline = QStringLiteral("pSpline");
const QString VAbstractTool::AttrAxisP1 = QStringLiteral("axisP1");
const QString VAbstractTool::AttrAxisP2 = QStringLiteral("axisP2");
const QString VAbstractTool::TypeLineNone = QStringLiteral("none");
const QString VAbstractTool::TypeLineLine = QStringLiteral("hair");
const QString VAbstractTool::TypeLineDashLine = QStringLiteral("dashLine");
const QString VAbstractTool::TypeLineDotLine = QStringLiteral("dotLine");
const QString VAbstractTool::TypeLineDashDotLine = QStringLiteral("dashDotLine");
const QString VAbstractTool::TypeLineDashDotDotLine = QStringLiteral("dashDotDotLine");
VAbstractTool::VAbstractTool(VPattern *doc, VContainer *data, quint32 id, QObject *parent)
:VDataTool(data, parent), doc(doc), id(id), baseColor(Qt::black), currentColor(Qt::black), typeLine(TypeLineLine)
{
Q_CHECK_PTR(doc);
connect(this, &VAbstractTool::toolhaveChange, this->doc, &VPattern::haveLiteChange);
connect(this->doc, &VPattern::FullUpdateFromFile, this, &VAbstractTool::FullUpdateFromFile);
connect(this, &VAbstractTool::FullUpdateTree, this->doc, &VPattern::FullUpdateTree);
emit toolhaveChange();
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}
void VAbstractTool::NewSceneRect(QGraphicsScene *sc, QGraphicsView *view)
{
QRectF rect = sc->itemsBoundingRect();
QRect rec0 = view->rect();
rec0 = QRect(0, 0, rec0.width()-2, rec0.height()-2);
QTransform t = view->transform();
QRectF rec1;
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if (t.m11() < 1)
{
qreal width = rec0.width()/t.m11();
qreal height = rec0.height()/t.m22();
rec1 = QRect(0, 0, static_cast<qint32>(width), static_cast<qint32>(height));
rec1.translate(rec0.center().x()-rec1.center().x(), rec0.center().y()-rec1.center().y());
QPolygonF polygone = view->mapToScene(rec1.toRect());
rec1 = polygone.boundingRect();
}
else
{
rec1 = rec0;
}
rec1 = rec1.united(rect.toRect());
sc->setSceneRect(rec1);
}
QPointF VAbstractTool::LineIntersectRect(QRectF rec, QLineF line)
{
qreal x1, y1, x2, y2;
rec.getCoords(&x1, &y1, &x2, &y2);
QPointF point;
QLineF::IntersectType type = line.intersect(QLineF(QPointF(x1, y1), QPointF(x1, y2)), &point);
if ( type == QLineF::BoundedIntersection )
{
return point;
}
type = line.intersect(QLineF(QPointF(x1, y1), QPointF(x2, y1)), &point);
if ( type == QLineF::BoundedIntersection )
{
return point;
}
type = line.intersect(QLineF(QPointF(x1, y2), QPointF(x2, y2)), &point);
if ( type == QLineF::BoundedIntersection )
{
return point;
}
type = line.intersect(QLineF(QPointF(x2, y1), QPointF(x2, y2)), &point);
if ( type == QLineF::BoundedIntersection )
{
return point;
}
Q_ASSERT_X(type != QLineF::BoundedIntersection, Q_FUNC_INFO, "There is no point of intersection.");
return point;
}
qint32 VAbstractTool::LineIntersectCircle(const QPointF &center, qreal radius, const QLineF &line, QPointF &p1,
QPointF &p2)
{
//coefficient for equation of segment
qreal a = 0, b = 0, c = 0;
LineCoefficients(line, &a, &b, &c);
// projection center of circle on to line
QPointF p = ClosestPoint (line, center);
// how many solutions?
qint32 flag = 0;
qreal d = QLineF (center, p).length();
if (qFuzzyCompare(d, radius))
{
flag = 1;
}
else
{
if (radius > d)
{
flag = 2;
}
else
{
return 0;
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}
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}
// find distance from projection to points of intersection
qreal k = sqrt (radius * radius - d * d);
qreal t = QLineF (QPointF (0, 0), QPointF (b, - a)).length();
// add to projection a vectors aimed to points of intersection
p1 = addVector (p, QPointF (0, 0), QPointF (- b, a), k / t);
p2 = addVector (p, QPointF (0, 0), QPointF (b, - a), k / t);
return flag;
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}
QPointF VAbstractTool::ClosestPoint(const QLineF &line, const QPointF &point)
{
qreal a = 0, b = 0, c = 0;
LineCoefficients(line, &a, &b, &c);
qreal x = point.x() + a;
qreal y = b + point.y();
QLineF lin (point, QPointF(x, y));
QPointF p;
QLineF::IntersectType intersect = line.intersect(lin, &p);
if (intersect == QLineF::UnboundedIntersection || intersect == QLineF::BoundedIntersection)
{
return p;
}
else
{
return QPointF();
}
}
QPointF VAbstractTool::addVector(const QPointF &p, const QPointF &p1, const QPointF &p2, qreal k)
{
return QPointF (p.x() + (p2.x() - p1.x()) * k, p.y() + (p2.y() - p1.y()) * k);
}
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void VAbstractTool::RemoveAllChild(QDomElement &domElement)
{
if ( domElement.hasChildNodes() )
{
while ( domElement.childNodes().length() >= 1 )
{
domElement.removeChild( domElement.firstChild() );
}
}
}
void VAbstractTool::DeleteTool(QGraphicsItem *tool)
{
if (_referens <= 1)
{
QMessageBox msgBox;
msgBox.setText(tr("Confirm the deletion."));
msgBox.setInformativeText(tr("Do you really want delete?"));
msgBox.setStandardButtons(QMessageBox::Ok | QMessageBox::Cancel);
msgBox.setDefaultButton(QMessageBox::Ok);
msgBox.setIcon(QMessageBox::Question);
if (msgBox.exec() == QMessageBox::Cancel)
{
return;
}
//remove from xml file
QDomElement domElement = doc->elementById(QString().setNum(id));
if (domElement.isElement())
{
QDomNode element = domElement.parentNode();
if (element.isNull() == false)
{
if (element.isElement())
{
RemoveReferens();//deincrement referens
element.removeChild(domElement);//remove form file
QGraphicsScene *scene = tool->scene();
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if (scene != 0)//some tools haven't scene
{
scene->removeItem(tool);//remove form scene
}
doc->FullUpdateTree();
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emit toolhaveChange();//set enabled save button
}
else
{
qWarning()<<"parent isn't element"<<Q_FUNC_INFO;
}
}
else
{
qWarning()<<"parent isNull"<<Q_FUNC_INFO;
}
}
else
{
qWarning()<<"Can't get element by id form file = "<<id<<Q_FUNC_INFO;
}
}
}
Qt::PenStyle VAbstractTool::LineStyle()
{
QStringList styles = Styles();
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switch (styles.indexOf(typeLine))
{
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case 0: // TypeLineNone
return Qt::NoPen;
break;
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case 1: // TypeLineLine
return Qt::SolidLine;
break;
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case 2: // TypeLineDashLine
return Qt::DashLine;
break;
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case 3: // TypeLineDotLine
return Qt::DotLine;
break;
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case 4: // TypeLineDashDotLine
return Qt::DashDotLine;
break;
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case 5: // TypeLineDashDotDotLine
return Qt::DashDotDotLine;
break;
default:
return Qt::SolidLine;
break;
}
}
void VAbstractTool::LineCoefficients(const QLineF &line, qreal *a, qreal *b, qreal *c)
{
//coefficient for equation of segment
QPointF p1 = line.p1();
*a = line.p2().y() - p1.y();
*b = p1.x() - line.p2().x();
*c = - *a * p1.x() - *b * p1.y();
}
const QStringList VAbstractTool::Styles()
{
//Keep synchronize with DialogTool lineStyles list!!!
QStringList styles;
styles << TypeLineNone << TypeLineLine << TypeLineDashLine << TypeLineDotLine << TypeLineDashDotLine
<< TypeLineDashDotDotLine;
return styles;
}
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void VAbstractTool::AddRecord(const quint32 id, const Valentina::Tools &toolType, VPattern *doc)
{
quint32 cursor = doc->getCursor();
QVector<VToolRecord> *history = doc->getHistory();
if (cursor <= 0)
{
history->append(VToolRecord(id, toolType, doc->GetNameActivDraw()));
}
else
{
qint32 index = 0;
for (qint32 i = 0; i<history->size(); ++i)
{
VToolRecord rec = history->at(i);
if (rec.getId() == cursor)
{
index = i;
break;
}
}
history->insert(index+1, VToolRecord(id, toolType, doc->GetNameActivDraw()));
}
}