mirror of
https://github.com/jkriege2/JKQtPlotter.git
synced 2024-12-25 18:11:38 +08:00
597 lines
21 KiB
C++
597 lines
21 KiB
C++
/*
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Copyright (c) 2008-2020 Jan W. Krieger (<jan@jkrieger.de>)
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This software is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License (LGPL) as published by
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the Free Software Foundation, either version 2.1 of the License, or
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(at your option) any later version.
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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 Lesser General Public License (LGPL) for more details.
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You should have received a copy of the GNU Lesser General Public License (LGPL)
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "jkqtplotter/graphs/jkqtpgeoshapes.h"
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#include "jkqtplotter/jkqtpbaseplotter.h"
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#include "jkqtplotter/jkqtplotter.h"
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#include "jkqtcommon/jkqtpgeometrytools.h"
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#include <stdlib.h>
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#include <QDebug>
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#include <QApplication>
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#define SmallestGreaterZeroCompare_xvsgz() if ((xvsgz>10.0*DBL_MIN)&&((smallestGreaterZero<10.0*DBL_MIN) || (xvsgz<smallestGreaterZero))) smallestGreaterZero=xvsgz;
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JKQTPGeoRectangle::JKQTPGeoRectangle(JKQTBasePlotter* parent, double x, double y, double width, double height, QColor color, double lineWidth, Qt::PenStyle style, QColor fillColor, Qt::BrushStyle fillStyle, DrawMode drawMode):
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JKQTPGeoBaseFilled(color, fillColor, lineWidth, style, fillStyle, parent, drawMode)
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{
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this->x=x;
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this->y=y;
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angle=0;
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this->width=width;
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this->height=height;
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}
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JKQTPGeoRectangle::JKQTPGeoRectangle(JKQTPlotter* parent, double x, double y, double width, double height, QColor color, double lineWidth, Qt::PenStyle style, QColor fillColor, Qt::BrushStyle fillStyle, DrawMode drawMode):
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JKQTPGeoRectangle(parent->getPlotter(), x, y, width, height, color, lineWidth, style, fillColor, fillStyle, drawMode)
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{
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}
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JKQTPGeoRectangle::JKQTPGeoRectangle(JKQTBasePlotter *parent, double x, double y, double width, double height, double angle, QColor color, double lineWidth, Qt::PenStyle style, QColor fillColor, Qt::BrushStyle fillStyle, DrawMode drawMode):
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JKQTPGeoBaseFilled(color, fillColor, lineWidth, style, fillStyle, parent, drawMode)
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{
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this->x=x;
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this->y=y;
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this->angle=angle;
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this->width=width;
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this->height=height;
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}
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JKQTPGeoRectangle::JKQTPGeoRectangle(JKQTPlotter *parent, double x, double y, double width, double height, double angle, QColor color, double lineWidth, Qt::PenStyle style, QColor fillColor, Qt::BrushStyle fillStyle, DrawMode drawMode):
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JKQTPGeoRectangle(parent->getPlotter(), x, y, width, height, angle, color, lineWidth, style, fillColor, fillStyle, drawMode)
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{
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}
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JKQTPGeoRectangle::JKQTPGeoRectangle(JKQTBasePlotter *parent, QPointF bottomleft, QPointF topright, QColor color, double lineWidth, Qt::PenStyle style, QColor fillColor, Qt::BrushStyle fillStyle, DrawMode drawMode):
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JKQTPGeoBaseFilled(color, fillColor, lineWidth, style, fillStyle, parent, drawMode)
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{
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this->angle=0;
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this->width=fabs(topright.x()-bottomleft.x());
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this->height=fabs(topright.y()-bottomleft.y());
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this->x=bottomleft.x()+this->width/2.0;
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this->y=bottomleft.y()+this->height/2.0;
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}
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JKQTPGeoRectangle::JKQTPGeoRectangle(JKQTPlotter *parent, QPointF bottomleft, QPointF topright, QColor color, double lineWidth, Qt::PenStyle style, QColor fillColor, Qt::BrushStyle fillStyle, DrawMode drawMode):
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JKQTPGeoRectangle(parent->getPlotter(), bottomleft, topright, color, lineWidth, style, fillColor, fillStyle, drawMode)
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{
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}
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JKQTPGeoRectangle::JKQTPGeoRectangle(JKQTBasePlotter *parent, const QPointF ¢er, const QSizeF &size, double angle, QColor color, double lineWidth, Qt::PenStyle style, QColor fillColor, Qt::BrushStyle fillStyle, JKQTPGeometricPlotElement::DrawMode drawMode):
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JKQTPGeoRectangle(parent, center.x(), center.y(), size.width(), size.height(), angle, color, lineWidth, style, fillColor, fillStyle, drawMode)
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{
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}
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JKQTPGeoRectangle::JKQTPGeoRectangle(JKQTPlotter *parent, const QPointF ¢er, const QSizeF &size, double angle, QColor color, double lineWidth, Qt::PenStyle style, QColor fillColor, Qt::BrushStyle fillStyle, JKQTPGeometricPlotElement::DrawMode drawMode):
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JKQTPGeoRectangle(parent->getPlotter(), center, size, angle, color, lineWidth, style, fillColor, fillStyle, drawMode)
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{
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}
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JKQTPGeoRectangle::JKQTPGeoRectangle(JKQTBasePlotter *parent, const QPointF ¢er, const QSizeF &size, QColor color, double lineWidth, Qt::PenStyle style, QColor fillColor, Qt::BrushStyle fillStyle, JKQTPGeometricPlotElement::DrawMode drawMode):
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JKQTPGeoRectangle(parent, center.x(), center.y(), size.width(), size.height(), color, lineWidth, style, fillColor, fillStyle, drawMode)
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{
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}
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JKQTPGeoRectangle::JKQTPGeoRectangle(JKQTPlotter *parent, const QPointF ¢er, const QSizeF &size, QColor color, double lineWidth, Qt::PenStyle style, QColor fillColor, Qt::BrushStyle fillStyle, JKQTPGeometricPlotElement::DrawMode drawMode):
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JKQTPGeoRectangle(parent->getPlotter(), center, size, color, lineWidth, style, fillColor, fillStyle, drawMode)
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{
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}
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QTransform JKQTPGeoRectangle::getTransform() {
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QTransform trans;
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trans.rotate(angle);
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return trans;
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}
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bool JKQTPGeoRectangle::getXMinMax(double& minx, double& maxx, double& smallestGreaterZero) {
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QRectF bound=getPolygon().boundingRect();
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//std::cout<<"JKQTPGeoRectangle::getXMinMax: b.left="<<bound.left()<<" b.right="<<bound.right()<<" b.top="<<bound.top()<<" b.bottom="<<bound.bottom()<<std::endl;
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minx=bound.left();
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maxx=bound.right();
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if (minx>maxx) std::swap(minx, maxx);
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smallestGreaterZero=0;
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double xvsgz;
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xvsgz=minx; SmallestGreaterZeroCompare_xvsgz();
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xvsgz=maxx; SmallestGreaterZeroCompare_xvsgz();
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return true;
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}
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bool JKQTPGeoRectangle::getYMinMax(double& miny, double& maxy, double& smallestGreaterZero) {
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QRectF bound=getPolygon().boundingRect();
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miny=bound.bottom();
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maxy=bound.top();
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if (miny>maxy) std::swap(miny, maxy);
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smallestGreaterZero=0;
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double xvsgz;
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xvsgz=miny; SmallestGreaterZeroCompare_xvsgz();
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xvsgz=maxy; SmallestGreaterZeroCompare_xvsgz();
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return true;
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}
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QPolygonF JKQTPGeoRectangle::getPolygon() {
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QTransform m=getTransform();
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QPolygonF rect;
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rect.append(m.map(QPointF(0-width/2.0, 0-height/2.0)));
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rect.append(m.map(QPointF(0-width/2.0, 0+height/2.0)));
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rect.append(m.map(QPointF(0+width/2.0, 0+height/2.0)));
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rect.append(m.map(QPointF(0+width/2.0, 0-height/2.0)));
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rect.append(m.map(QPointF(0-width/2.0, 0-height/2.0)));
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rect.translate(x,y);
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return rect;
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}
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void JKQTPGeoRectangle::draw(JKQTPEnhancedPainter& painter) {
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clearHitTestData();
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QPolygonF poly=getPolygon();
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reserveHitTestData(poly.size());
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QPolygonF rect;
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if ((getDrawMode()==DrawAsGraphicElement) || (getParent()->getXAxis()->isLinearAxis() && getParent()->getYAxis()->isLinearAxis())) {
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rect=transform(poly);
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} else {
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auto fTransform=std::bind([](const JKQTPGeometricPlotElement* plot, const QPointF& p) { return plot->transform(p); }, this, std::placeholders::_1);
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rect=JKQTPSplitPolylineIntoPoints(poly, fTransform);
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}
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for (const auto& p:poly) {
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addHitTestData(p.x(), p.y());
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}
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painter.save(); auto __finalpaint=JKQTPFinally([&painter]() {painter.restore();});
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painter.setPen(getLinePenForRects(painter, parent));
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painter.setBrush(getFillBrush(painter, parent));
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painter.drawPolygon(rect);
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}
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void JKQTPGeoRectangle::setX(double __value)
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{
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this->x = __value;
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}
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double JKQTPGeoRectangle::getX() const
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{
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return this->x;
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}
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void JKQTPGeoRectangle::setY(double __value)
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{
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this->y = __value;
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}
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double JKQTPGeoRectangle::getY() const
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{
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return this->y;
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}
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QPointF JKQTPGeoRectangle::getCenter() const
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{
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return QPointF(x, y);
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}
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void JKQTPGeoRectangle::setCenter(const QPointF ¢er)
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{
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x=center.x();
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y=center.y();
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}
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void JKQTPGeoRectangle::setWidth(double __value)
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{
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this->width = __value;
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}
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double JKQTPGeoRectangle::getWidth() const
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{
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return this->width;
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}
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void JKQTPGeoRectangle::setHeight(double __value)
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{
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this->height = __value;
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}
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double JKQTPGeoRectangle::getHeight() const
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{
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return this->height;
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}
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QSizeF JKQTPGeoRectangle::getSize() const
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{
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return QSizeF(width,height);
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}
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void JKQTPGeoRectangle::setSize(const QSizeF &size)
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{
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width=size.width();
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height=size.height();
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}
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void JKQTPGeoRectangle::setAngle(double __value)
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{
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this->angle = __value;
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}
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double JKQTPGeoRectangle::getAngle() const
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{
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return this->angle;
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}
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void JKQTPGeoRectangle::setBottomLeftRectangle(double x, double y, double width, double height)
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{
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this->x=x+width/2.0;
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this->y=y+height/2.0;
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this->width=width;
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this->height=height;
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}
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void JKQTPGeoRectangle::setBottomLeftRectangle(const QRectF &rect) {
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setBottomLeftRectangle(rect.x(), rect.y(), rect.width(), rect.height());
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}
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QRectF JKQTPGeoRectangle::getBottomLeftRectangle() const
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{
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return QRectF(x-width/2.0, y-height/2.0, width, height);
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}
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JKQTPGeoPolygon::JKQTPGeoPolygon(JKQTBasePlotter* parent, const QVector<QPointF>& points, QColor color, double lineWidth, Qt::PenStyle style, QColor fillColor, Qt::BrushStyle fillStyle, DrawMode drawMode):
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JKQTPGeoBaseFilled(color, fillColor, lineWidth, style, fillStyle, parent, drawMode)
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{
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this->points=points;
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}
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JKQTPGeoPolygon::JKQTPGeoPolygon(JKQTPlotter* parent, const QVector<QPointF>& points, QColor color, double lineWidth, Qt::PenStyle style, QColor fillColor, Qt::BrushStyle fillStyle, DrawMode drawMode):
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JKQTPGeoPolygon(parent->getPlotter(), points, color, lineWidth, style, fillColor, fillStyle, drawMode)
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{
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}
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JKQTPGeoPolygon::JKQTPGeoPolygon(JKQTBasePlotter* parent, QColor color, double lineWidth, Qt::PenStyle style, QColor fillColor, Qt::BrushStyle fillStyle, DrawMode drawMode):
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JKQTPGeoBaseFilled(color, fillColor, lineWidth, style, fillStyle, parent, drawMode)
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{
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}
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JKQTPGeoPolygon::JKQTPGeoPolygon(JKQTPlotter* parent, QColor color, double lineWidth, Qt::PenStyle style, QColor fillColor, Qt::BrushStyle fillStyle, DrawMode drawMode):
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JKQTPGeoPolygon(parent->getPlotter(), color, lineWidth, style, fillColor, fillStyle, drawMode)
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{
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}
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bool JKQTPGeoPolygon::getXMinMax(double& minx, double& maxx, double& smallestGreaterZero) {
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minx=0;
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maxx=0;
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smallestGreaterZero=0;
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if (points.size()>0) {
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minx=points[0].x();
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maxx=points[0].x();
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for (int i=1; i<points.size(); i++) {
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double x=points[i].x();
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if (x>maxx) maxx=x;
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if (x<minx) minx=x;
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double xvsgz;
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xvsgz=x; SmallestGreaterZeroCompare_xvsgz();
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}
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return true;
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}
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return false;
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}
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bool JKQTPGeoPolygon::getYMinMax(double& miny, double& maxy, double& smallestGreaterZero) {
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miny=0;
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maxy=0;
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smallestGreaterZero=0;
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if (points.size()>0) {
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miny=points[0].y();
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maxy=points[0].y();
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for (int i=1; i<points.size(); i++) {
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double y=points[i].y();
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if (y>maxy) maxy=y;
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if (y<miny) miny=y;
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double xvsgz;
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xvsgz=y; SmallestGreaterZeroCompare_xvsgz();
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}
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return true;
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}
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return false;
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}
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void JKQTPGeoPolygon::draw(JKQTPEnhancedPainter& painter) {
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clearHitTestData();
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if (points.size()>=2) {
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reserveHitTestData(points.size());
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painter.save(); auto __finalpaint=JKQTPFinally([&painter]() {painter.restore();});
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painter.setPen(getLinePen(painter, parent));
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painter.setBrush(getFillBrush(painter, parent));
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if ((getDrawMode()==DrawAsGraphicElement) || (getParent()->getXAxis()->isLinearAxis() && getParent()->getYAxis()->isLinearAxis())) {
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const QPolygonF path=transformToPolygon(points);
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painter.drawPolygon(path);
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} else {
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// for non-linear axes, a line might not be drawn as a line, so we need to segment the line (i.e. linear function in coordinate space)
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// and transform each node to draw the corresponding non-linear curve in pixel-space!
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auto fTransform=std::bind([](const JKQTPGeometricPlotElement* plot, const QPointF& p) { return plot->transform(p); }, this, std::placeholders::_1);
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QVector<QPointF> polyp=points;
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if (polyp.first()!=polyp.last()) polyp.push_back(polyp.first());
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QPolygonF path=JKQTPSplitPolylineIntoPoints(polyp, fTransform);
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path=JKQTPSimplyfyLineSegemnts(path);
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painter.drawPolygon(path);
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}
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for (const auto& p:points) {
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addHitTestData(p.x(), p.y());
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}
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}
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}
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void JKQTPGeoPolygon::setPoints(const QVector<QPointF> &__value)
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{
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this->points = __value;
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}
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QVector<QPointF> JKQTPGeoPolygon::getPoints() const
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{
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return this->points;
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}
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void JKQTPGeoPolygon::appendPoint(const QPointF &p) {
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points.append(p);
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}
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void JKQTPGeoPolygon::appendPoint(const double x, const double y) {
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points.append(QPointF(x, y));
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}
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int JKQTPGeoPolygon::getPointCount() const
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{
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return points.size();
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}
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const QPointF &JKQTPGeoPolygon::getPoint(int i) const
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{
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return points[i];
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}
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QPointF &JKQTPGeoPolygon::getPoint(int i)
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{
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return points[i];
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}
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void JKQTPGeoPolygon::setPoint(int i, const QPointF &point)
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{
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points[i]=point;
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}
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void JKQTPGeoPolygon::removePoint(int i)
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{
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points.remove(i);
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}
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QVector<QPointF>::iterator JKQTPGeoPolygon::pointsBegin()
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{
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return points.begin();
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}
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QVector<QPointF>::iterator JKQTPGeoPolygon::pointsEnd()
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{
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return points.end();
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}
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QVector<QPointF>::const_iterator JKQTPGeoPolygon::pointsCBegin() const
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{
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return points.cbegin();
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}
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QVector<QPointF>::const_iterator JKQTPGeoPolygon::pointsCEnd() const
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{
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return points.cend();
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}
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JKQTPGeoEllipse::JKQTPGeoEllipse(JKQTBasePlotter* parent, double x, double y, double width, double height, QColor color, double lineWidth, Qt::PenStyle style, QColor fillColor, Qt::BrushStyle fillStyle, DrawMode drawMode):
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JKQTPGeoRectangle(parent, x, y, width, height, color, lineWidth, style, fillColor, fillStyle, drawMode)
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{
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}
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JKQTPGeoEllipse::JKQTPGeoEllipse(JKQTPlotter* parent, double x, double y, double width, double height, QColor color, double lineWidth, Qt::PenStyle style, QColor fillColor, Qt::BrushStyle fillStyle, DrawMode drawMode):
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JKQTPGeoEllipse(parent->getPlotter(), x, y, width, height, color, lineWidth, style, fillColor, fillStyle, drawMode)
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{
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}
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JKQTPGeoEllipse::JKQTPGeoEllipse(JKQTBasePlotter *parent, double x, double y, double width, double height, double angle, QColor color, double lineWidth, Qt::PenStyle style, QColor fillColor, Qt::BrushStyle fillStyle, DrawMode drawMode):
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JKQTPGeoRectangle(parent, x, y, width, height, angle, color, lineWidth, style, fillColor, fillStyle, drawMode)
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{
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}
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JKQTPGeoEllipse::JKQTPGeoEllipse(JKQTPlotter *parent, double x, double y, double width, double height, double angle, QColor color, double lineWidth, Qt::PenStyle style, QColor fillColor, Qt::BrushStyle fillStyle, DrawMode drawMode):
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JKQTPGeoEllipse(parent->getPlotter(), x, y, width, height, angle, color, lineWidth, style, fillColor, fillStyle, drawMode)
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{
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}
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JKQTPGeoEllipse::JKQTPGeoEllipse(JKQTBasePlotter *parent, QPointF bottomleft, QPointF topright, QColor color, double lineWidth, Qt::PenStyle style, QColor fillColor, Qt::BrushStyle fillStyle, DrawMode drawMode):
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JKQTPGeoRectangle(parent, bottomleft, topright, color, lineWidth, style, fillColor, fillStyle, drawMode)
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{
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}
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JKQTPGeoEllipse::JKQTPGeoEllipse(JKQTPlotter *parent, QPointF bottomleft, QPointF topright, QColor color, double lineWidth, Qt::PenStyle style, QColor fillColor, Qt::BrushStyle fillStyle, DrawMode drawMode):
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JKQTPGeoEllipse(parent->getPlotter(), bottomleft, topright, color, lineWidth, style, fillColor, fillStyle, drawMode)
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{
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}
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void JKQTPGeoEllipse::draw(JKQTPEnhancedPainter& painter) {
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drawInternal(painter, 0, 0, InternalDrawMode::Ellipse);
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}
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void JKQTPGeoEllipse::drawInternal(JKQTPEnhancedPainter& painter, double angleStart, double angleStop, JKQTPGeoEllipse::InternalDrawMode mode)
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{
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painter.save(); auto __finalpaint=JKQTPFinally([&painter]() {painter.restore();});
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painter.setPen(getLinePen(painter, parent));
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painter.setBrush(getFillBrush(painter, parent));
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auto fTransform=std::bind([](const JKQTPGeometricPlotElement* plot, const QPointF& p) { return plot->transform(p); }, this, std::placeholders::_1);
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QPolygonF rect;
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if(mode==InternalDrawMode::Ellipse) {
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rect=JKQTPSplitEllipseIntoPoints(fTransform, x,y,width/2.0, height/2.0,0,360, angle);
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} else if (mode==InternalDrawMode::Pie) {
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QPointF first, last;
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rect=JKQTPSplitEllipseIntoPoints(fTransform, x,y,width/2.0, height/2.0,angleStart,angleStop, angle, nullptr, nullptr, &first, &last);
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QVector<QPointF> pie;
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pie<<last<<QPointF(x,y)<<first;
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rect.append(JKQTPSimplyfyLineSegemnts(JKQTPSplitPolylineIntoPoints(pie, fTransform)));
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} else if (mode==InternalDrawMode::Chord) {
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QPointF first, last;
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rect=JKQTPSplitEllipseIntoPoints(fTransform, x,y,width/2.0, height/2.0,angleStart,angleStop, angle, nullptr, nullptr, &first, &last);
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rect.append(JKQTPSimplyfyLineSegemnts(JKQTPSplitLineIntoPoints(QLineF(last, first), fTransform)));
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}
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painter.drawPolygon(rect);
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}
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JKQTPGeoPie::JKQTPGeoPie(JKQTBasePlotter* parent, double x, double y, double width, double height,double angleStart, double angleStop, QColor color, double lineWidth, Qt::PenStyle style, QColor fillColor, Qt::BrushStyle fillStyle, DrawMode drawMode):
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JKQTPGeoEllipse(parent, x, y, width, height, color, lineWidth, style, fillColor, fillStyle, drawMode)
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{
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this->angleStart=angleStart;
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this->angleStop=angleStop;
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}
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JKQTPGeoPie::JKQTPGeoPie(JKQTPlotter* parent, double x, double y, double width, double height,double angleStart, double angleStop, QColor color, double lineWidth, Qt::PenStyle style, QColor fillColor, Qt::BrushStyle fillStyle, DrawMode drawMode):
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JKQTPGeoPie(parent->getPlotter(), x, y, width, height, angleStart, angleStop, color, lineWidth, style, fillColor, fillStyle, drawMode)
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{
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}
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void JKQTPGeoPie::draw(JKQTPEnhancedPainter& painter) {
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drawInternal(painter, angleStart, angleStop, InternalDrawMode::Pie);
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}
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void JKQTPGeoPie::setAngleStart(double __value)
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{
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this->angleStart = __value;
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}
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double JKQTPGeoPie::getAngleStart() const
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{
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return this->angleStart;
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}
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void JKQTPGeoPie::setAngleStop(double __value)
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{
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this->angleStop = __value;
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}
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double JKQTPGeoPie::getAngleStop() const
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{
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return this->angleStop;
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}
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bool JKQTPGeoPie::getXMinMax(double& minx, double& maxx, double& smallestGreaterZero) {
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QPolygonF rect=QPolygonF(JKQTPSplitEllipseIntoPoints(x,y,width/2.0, height/2.0,angleStart,angleStop,angle, 180));
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rect.append(QPointF(x,y));
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minx=rect.boundingRect().left();
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maxx=rect.boundingRect().right();
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if (minx>maxx) std::swap(minx, maxx);
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smallestGreaterZero=0;
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double xvsgz;
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xvsgz=minx; SmallestGreaterZeroCompare_xvsgz();
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xvsgz=maxx; SmallestGreaterZeroCompare_xvsgz();
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return true;
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}
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bool JKQTPGeoPie::getYMinMax(double& miny, double& maxy, double& smallestGreaterZero) {
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QPolygonF rect=QPolygonF(JKQTPSplitEllipseIntoPoints(x,y,width/2.0, height/2.0,angleStart,angleStop,angle, 180));
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rect.append(QPointF(x,y));
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miny=rect.boundingRect().bottom();
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maxy=rect.boundingRect().top();
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if (miny>maxy) std::swap(miny, maxy);
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smallestGreaterZero=0;
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double xvsgz;
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xvsgz=miny; SmallestGreaterZeroCompare_xvsgz();
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xvsgz=maxy; SmallestGreaterZeroCompare_xvsgz();
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return true;
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}
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JKQTPGeoChord::JKQTPGeoChord(JKQTBasePlotter* parent, double x, double y, double width, double height,double angleStart, double angleStop, QColor color, double lineWidth, Qt::PenStyle style, QColor fillColor, Qt::BrushStyle fillStyle, DrawMode drawMode):
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JKQTPGeoPie(parent, x, y, width, height, angleStart, angleStop, color, lineWidth, style, fillColor, fillStyle, drawMode)
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{
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}
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JKQTPGeoChord::JKQTPGeoChord(JKQTPlotter* parent, double x, double y, double width, double height,double angleStart, double angleStop, QColor color, double lineWidth, Qt::PenStyle style, QColor fillColor, Qt::BrushStyle fillStyle, DrawMode drawMode):
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JKQTPGeoChord(parent->getPlotter(), x, y, width, height, angleStart, angleStop, color, lineWidth, style, fillColor, fillStyle, drawMode)
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{
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}
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void JKQTPGeoChord::draw(JKQTPEnhancedPainter& painter) {
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drawInternal(painter, angleStart, angleStop, InternalDrawMode::Chord);
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}
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bool JKQTPGeoChord::getXMinMax(double& minx, double& maxx, double& smallestGreaterZero) {
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const QPolygonF rect=QPolygonF(JKQTPSplitEllipseIntoPoints(x,y,width/2.0, height/2.0,angleStart,angleStop,angle, 180));
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minx=rect.boundingRect().left();
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maxx=rect.boundingRect().right();
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if (minx>maxx) std::swap(minx, maxx);
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double xvsgz;
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xvsgz=minx; SmallestGreaterZeroCompare_xvsgz();
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xvsgz=maxx; SmallestGreaterZeroCompare_xvsgz();
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return true;
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}
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bool JKQTPGeoChord::getYMinMax(double& miny, double& maxy, double& smallestGreaterZero) {
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const QPolygonF rect=QPolygonF(JKQTPSplitEllipseIntoPoints(x,y,width/2.0, height/2.0,angleStart,angleStop,angle, 180));
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miny=rect.boundingRect().bottom();
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maxy=rect.boundingRect().top();
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if (miny>maxy) std::swap(miny, maxy);
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double xvsgz;
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xvsgz=miny; SmallestGreaterZeroCompare_xvsgz();
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xvsgz=maxy; SmallestGreaterZeroCompare_xvsgz();
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return true;
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}
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