WimaGOperationAreaMapVisual.qml 4.36 KB
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/****************************************************************************
 *
 *   (c) 2009-2016 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
 *
 * QGroundControl is licensed according to the terms in the file
 * COPYING.md in the root of the source code directory.
 *
 ****************************************************************************/
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import QtQuick          2.3
import QtQuick.Controls 1.2
import QtLocation       5.3
import QtPositioning    5.3

import QGroundControl               1.0
import QGroundControl.ScreenTools   1.0
import QGroundControl.Palette       1.0
import QGroundControl.Controls      1.0
import QGroundControl.FlightMap     1.0

/// Wima Global Measurement Area visuals
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Item {
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    id: _root

    property var map        ///< Map control to place item in
    property var qgcView    ///< QGCView to use for popping dialogs

    property var areaItem:          object
    property var _polygon:          areaItem
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    property var _borderPolygon:    areaItem.borderPolygon
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    signal clicked(int sequenceNumber)

    /// Add an initial 4 sided polygon if there is none
    function _addInitialPolygon() {
        if (_polygon.count < 3) {
            // Initial polygon is inset to take 2/3rds space
            var rect = Qt.rect(map.centerViewport.x, map.centerViewport.y, map.centerViewport.width, map.centerViewport.height)
            rect.x += (rect.width * 0.25) / 2
            rect.y += (rect.height * 0.25) / 2
            rect.width *= 0.75
            rect.height *= 0.75

            var centerCoord =       map.toCoordinate(Qt.point(rect.x + (rect.width / 2), rect.y + (rect.height / 2)),   false /* clipToViewPort */)
            var topLeftCoord =      map.toCoordinate(Qt.point(rect.x, rect.y),                                          false /* clipToViewPort */)
            var topRightCoord =     map.toCoordinate(Qt.point(rect.x + rect.width, rect.y),                             false /* clipToViewPort */)
            var bottomLeftCoord =   map.toCoordinate(Qt.point(rect.x, rect.y + rect.height),                            false /* clipToViewPort */)
            var bottomRightCoord =  map.toCoordinate(Qt.point(rect.x + rect.width, rect.y + rect.height),               false /* clipToViewPort */)

            // Adjust polygon to max size
            var maxSize = 100
            var halfWidthMeters =   Math.min(topLeftCoord.distanceTo(topRightCoord), maxSize) / 2
            var halfHeightMeters =  Math.min(topLeftCoord.distanceTo(bottomLeftCoord), maxSize) / 2
            topLeftCoord =      centerCoord.atDistanceAndAzimuth(halfWidthMeters, -90).atDistanceAndAzimuth(halfHeightMeters, 0)
            topRightCoord =     centerCoord.atDistanceAndAzimuth(halfWidthMeters, 90).atDistanceAndAzimuth(halfHeightMeters, 0)
            bottomLeftCoord =   centerCoord.atDistanceAndAzimuth(halfWidthMeters, -90).atDistanceAndAzimuth(halfHeightMeters, 180)
            bottomRightCoord =  centerCoord.atDistanceAndAzimuth(halfWidthMeters, 90).atDistanceAndAzimuth(halfHeightMeters, 180)

            _polygon.appendVertex(topLeftCoord)
            _polygon.appendVertex(topRightCoord)
            _polygon.appendVertex(bottomRightCoord)
            _polygon.appendVertex(bottomLeftCoord)
        }
    }

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    /*function _addInitialPolyline(){
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        _polyline.setStartVertexIndex(0);
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        _polyline.setEndVertexIndex(1);
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    }*/
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    Component.onCompleted: {
        _addInitialPolygon()
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        //_addInitialPolyline()
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    }

    Component.onDestruction: {
    }


    WimaMapPolygonVisuals {
        qgcView:            _root.qgcView
        mapControl:         map
        mapPolygon:         _polygon
        borderWidth:        1
        borderColor:        "black"
        interiorColor:      "green"
        interiorOpacity:    0.25
    }

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    WimaMapPolygonVisuals {
        qgcView:            _root.qgcView
        mapControl:         map
        mapPolygon:         _borderPolygon
        borderWidth:        1
        borderColor:        "white"
        interiorColor:      "transparent"
        interiorOpacity:    1
    }

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    /*WimaMapPolylineVisuals {
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        qgcView:            _root.qgcView
        mapControl:         map
        mapPolyline:        _polyline
        lineWidth:          4
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        lineColor:          interactive ? "white" : "green"
        enableSplitHandels: false
        enableDragHandels:  true
        edgeHandelsOnly:    true
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    }*/
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}