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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,163 +1,163 @@ | ||
| /*************************************************************************** | ||
| * QGeoView is a Qt / C ++ widget for visualizing geographic data. | ||
| * Copyright (C) 2018-2023 Andrey Yaroshenko. | ||
| * | ||
| * This program is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU Lesser General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * This program 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 Lesser General Public License | ||
| * along with this program; if not, see https://www.gnu.org/licenses. | ||
| ****************************************************************************/ | ||
|
|
||
| #include "polygon.h" | ||
|
|
||
| #include <QPainter> | ||
|
|
||
| Polygon::Polygon(const PointList& geoPoints, QColor stroke, QColor fill) | ||
| : mGeoPoints(geoPoints) | ||
| , mColorStroke(stroke) | ||
| , mColorFill(fill) | ||
| { | ||
| } | ||
|
|
||
| void Polygon::setPoints(const PointList& geoPoints) | ||
| { | ||
| mGeoPoints = geoPoints; | ||
|
|
||
| // Geo coordinates need to be converted manually again to projection | ||
| onProjection(getMap()); | ||
|
|
||
| // Now we can inform QGV about changes for this | ||
| resetBoundary(); | ||
| refresh(); | ||
| } | ||
|
|
||
| PointList Polygon::getPoints() const | ||
| { | ||
| return mGeoPoints; | ||
| } | ||
|
|
||
| void Polygon::onProjection(QGVMap* geoMap) | ||
| { | ||
| QGVDrawItem::onProjection(geoMap); | ||
| mProjPoints.clear(); | ||
| for (const QGV::GeoPos& pos : mGeoPoints) | ||
| mProjPoints << geoMap->getProjection()->geoToProj(pos); | ||
| } | ||
|
|
||
| QPainterPath Polygon::projShape() const | ||
| { | ||
| QPainterPath path; | ||
| path.addPolygon(mProjPoints); | ||
| return path; | ||
| } | ||
|
|
||
| void Polygon::projPaint(QPainter* painter) | ||
| { | ||
| QPen pen = QPen(QBrush(mColorStroke), 1); | ||
| pen.setCosmetic(true); | ||
| painter->setPen(pen); | ||
| painter->setBrush(QBrush(mColorFill)); | ||
| painter->drawPolygon(mProjPoints); | ||
| } | ||
|
|
||
| QPointF Polygon::projAnchor() const | ||
| { | ||
| return mProjPoints.boundingRect().center(); | ||
| } | ||
|
|
||
| QTransform Polygon::projTransform() const | ||
| { | ||
| // This method is optional (needed flag is QGV::ItemFlag::Transformed). | ||
| // Custom transformation for item. | ||
| // In this case we rotate item by 45 degree. | ||
|
|
||
| return QGV::createTransfromAzimuth(projAnchor(), 45); | ||
| } | ||
|
|
||
| QString Polygon::projTooltip(const QPointF& projPos) const | ||
| { | ||
| // This method is optional (when empty return then no tooltip). | ||
| // Text for mouse tool tip. | ||
|
|
||
| auto geo = getMap()->getProjection()->projToGeo(projPos); | ||
|
|
||
| return "Polygon with color " + mColorFill.name() + "\nPosition " + geo.latToString() + " " + geo.lonToString(); | ||
| } | ||
|
|
||
| void Polygon::projOnMouseClick(const QPointF& projPos) | ||
| { | ||
| // This method is optional (needed flag is QGV::ItemFlag::Clickable). | ||
| // Custom reaction to item single mouse click. | ||
| // To avoid collision with item selection this code applies only if item selection disabled. | ||
| // In this case we change opacity for item. | ||
|
|
||
| if (!isSelectable()) { | ||
| if (getOpacity() <= 0.5) | ||
| setOpacity(1.0); | ||
| else | ||
| setOpacity(0.5); | ||
|
|
||
| qInfo() << "single click" << projPos; | ||
| } else { | ||
| setOpacity(1.0); | ||
| } | ||
| } | ||
|
|
||
| void Polygon::projOnMouseDoubleClick(const QPointF& projPos) | ||
| { | ||
| // This method is optional (needed flag is QGV::ItemFlag::Clickable). | ||
| // Custom reaction to item double mouse click. | ||
| // In this case we change color for item. | ||
|
|
||
| const QList<QColor> colors = { Qt::red, Qt::blue, Qt::green, Qt::gray, Qt::cyan, Qt::magenta, Qt::yellow }; | ||
|
|
||
| const auto iter = | ||
| std::find_if(colors.begin(), colors.end(), [this](const QColor& color) { return color == mColorFill; }); | ||
| mColorFill = colors[(iter - colors.begin() + 1) % colors.size()]; | ||
| repaint(); | ||
|
|
||
| setOpacity(1.0); | ||
|
|
||
| qInfo() << "double click" << projPos; | ||
| } | ||
|
|
||
| void Polygon::projOnObjectStartMove(const QPointF& projPos) | ||
| { | ||
| // This method is optional (needed flag is QGV::ItemFlag::Movable). | ||
| // Custom reaction to item move start. | ||
| // In this case we only log message. | ||
|
|
||
| qInfo() << "object move started at" << projPos; | ||
| } | ||
|
|
||
| void Polygon::projOnObjectMovePos(const QPointF& projPos) | ||
| { | ||
| // This method is optional (needed flag is QGV::ItemFlag::Movable). | ||
| // Custom reaction to mouse pos change when item move is started. | ||
| // In this case actually changing location of object. | ||
|
|
||
| PointList newPoints; | ||
| for (const QPointF& pt : mProjPoints) | ||
| newPoints << getMap()->getProjection()->projToGeo(pt + projPos); | ||
|
|
||
| setPoints(newPoints); | ||
|
|
||
| qInfo() << "object moved" << mProjPoints; | ||
| } | ||
|
|
||
| void Polygon::projOnObjectStopMove(const QPointF& projPos) | ||
| { | ||
| // This method is optional (needed flag is QGV::ItemFlag::Movable). | ||
| // Custom reaction to item move finished. | ||
| // In this case we only log message. | ||
|
|
||
| qInfo() << "object move stopped" << projPos; | ||
| } | ||
| /*************************************************************************** | ||
| * QGeoView is a Qt / C ++ widget for visualizing geographic data. | ||
| * Copyright (C) 2018-2023 Andrey Yaroshenko. | ||
| * | ||
| * This program is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU Lesser General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * This program 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 Lesser General Public License | ||
| * along with this program; if not, see https://www.gnu.org/licenses. | ||
| ****************************************************************************/ | ||
|
|
||
| #include "polygon.h" | ||
|
|
||
| #include <QPainter> | ||
|
|
||
| Polygon::Polygon(const PointList& geoPoints, QColor stroke, QColor fill) | ||
| : mGeoPoints(geoPoints) | ||
| , mColorStroke(stroke) | ||
| , mColorFill(fill) | ||
| { | ||
| } | ||
|
|
||
| void Polygon::setPoints(const PointList& geoPoints) | ||
| { | ||
| mGeoPoints = geoPoints; | ||
|
|
||
| // Geo coordinates need to be converted manually again to projection | ||
| onProjection(getMap()); | ||
|
|
||
| // Now we can inform QGV about changes for this | ||
| resetBoundary(); | ||
| refresh(); | ||
| } | ||
|
|
||
| PointList Polygon::getPoints() const | ||
| { | ||
| return mGeoPoints; | ||
| } | ||
|
|
||
| void Polygon::onProjection(QGVMap* geoMap) | ||
| { | ||
| QGVDrawItem::onProjection(geoMap); | ||
| mProjPoints.clear(); | ||
| for (const QGV::GeoPos& pos : mGeoPoints) | ||
| mProjPoints << geoMap->getProjection()->geoToProj(pos); | ||
| } | ||
|
|
||
| QPainterPath Polygon::projShape() const | ||
| { | ||
| QPainterPath path; | ||
| path.addPolygon(mProjPoints); | ||
| return path; | ||
| } | ||
|
|
||
| void Polygon::projPaint(QPainter* painter) | ||
| { | ||
| QPen pen = QPen(QBrush(mColorStroke), 1); | ||
| pen.setCosmetic(true); | ||
| painter->setPen(pen); | ||
| painter->setBrush(QBrush(mColorFill)); | ||
| painter->drawPolygon(mProjPoints); | ||
| } | ||
|
|
||
| QPointF Polygon::projAnchor() const | ||
| { | ||
| return mProjPoints.boundingRect().center(); | ||
| } | ||
|
|
||
| QTransform Polygon::projTransform() const | ||
| { | ||
| // This method is optional (needed flag is QGV::ItemFlag::Transformed). | ||
| // Custom transformation for item. | ||
| // In this case we rotate item by 45 degree. | ||
|
|
||
| return QGV::createTransfromAzimuth(projAnchor(), 45); | ||
| } | ||
|
|
||
| QString Polygon::projTooltip(const QPointF& projPos) const | ||
| { | ||
| // This method is optional (when empty return then no tooltip). | ||
| // Text for mouse tool tip. | ||
|
|
||
| auto geo = getMap()->getProjection()->projToGeo(projPos); | ||
|
|
||
| return "Polygon with color " + mColorFill.name() + "\nPosition " + geo.latToString() + " " + geo.lonToString(); | ||
| } | ||
|
|
||
| void Polygon::projOnMouseClick(const QPointF& projPos) | ||
| { | ||
| // This method is optional (needed flag is QGV::ItemFlag::Clickable). | ||
| // Custom reaction to item single mouse click. | ||
| // To avoid collision with item selection this code applies only if item selection disabled. | ||
| // In this case we change opacity for item. | ||
|
|
||
| if (!isSelectable()) { | ||
| if (getOpacity() <= 0.5) | ||
| setOpacity(1.0); | ||
| else | ||
| setOpacity(0.5); | ||
|
|
||
| qInfo() << "single click" << projPos; | ||
| } else { | ||
| setOpacity(1.0); | ||
| } | ||
| } | ||
|
|
||
| void Polygon::projOnMouseDoubleClick(const QPointF& projPos) | ||
| { | ||
| // This method is optional (needed flag is QGV::ItemFlag::Clickable). | ||
| // Custom reaction to item double mouse click. | ||
| // In this case we change color for item. | ||
|
|
||
| const QList<QColor> colors = { Qt::red, Qt::blue, Qt::green, Qt::gray, Qt::cyan, Qt::magenta, Qt::yellow }; | ||
|
|
||
| const auto iter = | ||
| std::find_if(colors.begin(), colors.end(), [this](const QColor& color) { return color == mColorFill; }); | ||
| mColorFill = colors[(iter - colors.begin() + 1) % colors.size()]; | ||
| repaint(); | ||
|
|
||
| setOpacity(1.0); | ||
|
|
||
| qInfo() << "double click" << projPos; | ||
| } | ||
|
|
||
| void Polygon::projOnObjectStartMove(const QPointF& projPos) | ||
| { | ||
| // This method is optional (needed flag is QGV::ItemFlag::Movable). | ||
| // Custom reaction to item move start. | ||
| // In this case we only log message. | ||
|
|
||
| qInfo() << "object move started at" << projPos; | ||
| } | ||
|
|
||
| void Polygon::projOnObjectMovePos(const QPointF& projPos) | ||
| { | ||
| // This method is optional (needed flag is QGV::ItemFlag::Movable). | ||
| // Custom reaction to mouse pos change when item move is started. | ||
| // In this case actually changing location of object. | ||
|
|
||
| PointList newPoints; | ||
| for (const QPointF& pt : mProjPoints) | ||
| newPoints << getMap()->getProjection()->projToGeo(pt + projPos); | ||
|
|
||
| setPoints(newPoints); | ||
|
|
||
| qInfo() << "object moved" << mProjPoints; | ||
| } | ||
|
|
||
| void Polygon::projOnObjectStopMove(const QPointF& projPos) | ||
| { | ||
| // This method is optional (needed flag is QGV::ItemFlag::Movable). | ||
| // Custom reaction to item move finished. | ||
| // In this case we only log message. | ||
|
|
||
| qInfo() << "object move stopped" << projPos; | ||
| } |
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