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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| /*************************************************************************** | ||
| * 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. | ||
| ****************************************************************************/ | ||
|
|
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| #pragma once | ||
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| #include <QGeoView/QGVDrawItem.h> | ||
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| class QGV_LIB_DECL QGVIcon : public QGVDrawItem | ||
| { | ||
| Q_OBJECT | ||
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| public: | ||
| QGVIcon(); | ||
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| void setGeometry(const QGV::GeoPos& geoPos, const QSizeF& imageSize = QSizeF()); | ||
| void setGeometry(const QPointF& projPos, const QSizeF& imageSize = QSizeF()); | ||
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| QImage getImage() const; | ||
| bool isImage() const; | ||
|
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| void loadImage(const QByteArray& rawData); | ||
| void loadImage(const QImage& image); | ||
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| protected: | ||
| void onProjection(QGVMap* geoMap) override; | ||
| QPainterPath projShape() const override; | ||
| void projPaint(QPainter* painter) override; | ||
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| private: | ||
| void calculateGeometry(); | ||
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| private: | ||
| QGV::GeoPos mGeoPos; | ||
| QPointF mProjPos; | ||
| QSizeF mImageSize; | ||
| QRectF mProjRect; | ||
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| QString mUrl; | ||
| QImage mImage; | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,113 @@ | ||
| /*************************************************************************** | ||
| * 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. | ||
| ****************************************************************************/ | ||
|
|
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| #include "Raster/QGVIcon.h" | ||
| #include "QGVMap.h" | ||
|
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| #include <QPainter> | ||
|
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| QGVIcon::QGVIcon() | ||
| { | ||
| setFlag(QGV::ItemFlag::IgnoreScale); | ||
| setFlag(QGV::ItemFlag::IgnoreAzimuth); | ||
| } | ||
|
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| void QGVIcon::setGeometry(const QGV::GeoPos& geoPos, const QSizeF& imageSize) | ||
| { | ||
| mGeoPos = geoPos; | ||
| mProjPos = {}; | ||
| mImageSize = imageSize; | ||
| mProjRect = {}; | ||
| calculateGeometry(); | ||
| } | ||
|
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| void QGVIcon::setGeometry(const QPointF& projPos, const QSizeF& imageSize) | ||
| { | ||
| mGeoPos = {}; | ||
| mProjPos = projPos; | ||
| mImageSize = imageSize; | ||
| mProjRect = {}; | ||
| calculateGeometry(); | ||
| } | ||
|
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| QImage QGVIcon::getImage() const | ||
| { | ||
| return mImage; | ||
| } | ||
|
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| bool QGVIcon::isImage() const | ||
| { | ||
| return !mImage.isNull(); | ||
| } | ||
|
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| void QGVIcon::loadImage(const QByteArray& rawData) | ||
| { | ||
| QImage image; | ||
| image.loadFromData(rawData); | ||
| loadImage(image); | ||
| } | ||
|
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| void QGVIcon::loadImage(const QImage& image) | ||
| { | ||
| mImage = image; | ||
| calculateGeometry(); | ||
| } | ||
|
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| void QGVIcon::onProjection(QGVMap* geoMap) | ||
| { | ||
| QGVDrawItem::onProjection(geoMap); | ||
| calculateGeometry(); | ||
| } | ||
|
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| QPainterPath QGVIcon::projShape() const | ||
| { | ||
| QPainterPath path; | ||
| path.addRect(mProjRect); | ||
| return path; | ||
| } | ||
|
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| void QGVIcon::projPaint(QPainter* painter) | ||
| { | ||
| if (mImage.isNull() || mProjRect.isEmpty()) { | ||
| return; | ||
| } | ||
|
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| QRectF paintRect = mProjRect; | ||
|
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| painter->setRenderHint(QPainter::SmoothPixmapTransform); | ||
| painter->drawImage(paintRect, getImage()); | ||
| } | ||
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| void QGVIcon::calculateGeometry() | ||
| { | ||
| if (getMap() == nullptr) { | ||
| return; | ||
| } | ||
|
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| if (!mGeoPos.isEmpty()) { | ||
| mProjPos = getMap()->getProjection()->geoToProj(mGeoPos); | ||
| } | ||
|
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| const QSizeF baseSize = !mImageSize.isEmpty() ? mImageSize : mImage.size(); | ||
| const QPointF baseAnchor = QPointF(baseSize.width() / 2, baseSize.height() / 2); | ||
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| mProjRect = QRectF(mProjPos - baseAnchor, baseSize); | ||
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| resetBoundary(); | ||
| refresh(); | ||
| } |
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