95 lines
2.6 KiB
C++
95 lines
2.6 KiB
C++
#ifndef MAPELEMENTHELPER_H
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#define MAPELEMENTHELPER_H
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#include <Indoor/geo/Point2.h>
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#include <Indoor/geo/Point3.h>
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#include <Indoor/geo/Line2.h>
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#include <QColor>
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#include <QPen>
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#include <QBrush>
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#include <Indoor/floorplan/v2/Floorplan.h>
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#include "ClickDist.h"
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/** configuration */
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namespace CFG {
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const float MOVE_SNAP_SIZE_M = 0.1f; // in meter (= map-space)
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const int SEL_THRESHOLD_SIZE_PX = 15; // in screen-pixels (-> should depend on the current zoom)
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const QColor FOCUS_COLOR = Qt::black;
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const QColor UNFOCUS_COLOR = Qt::gray;
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const QColor SEL_COLOR = Qt::blue;
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}
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/**
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* contains some common helper-methods
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*/
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class MapElementHelper {
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public:
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/**
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* get the minimal distance of dst to the line denoted by (p1, p2).
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* this will generate line l perpendicular to (p1, p2)
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* move l into dst
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* and calculate the cut-point between l and (p1, p2)
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*/
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static ClickDist getLineDistanceXY(Point2 p1, Point2 p2, Point2 dst) {
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// the line (p1, p2)
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const Line2 line(p1, p2);
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// 90 degree rotation L of the line (p1, p2)
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const Point2 vec = (p1 - p2).perpendicular();
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// the line L
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const Line2 perb(dst-vec*100, dst+vec*100);
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// calculate the cut betwen L and (p1,p2) (if any)
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Point2 cut(0,0);
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ClickDist cutDist(99999999, ClickDistType::CUT);
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if (line.getSegmentIntersection(perb, cut)) {
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// distance between cut-point and mouse
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cutDist.dst_px = cut.getDistance(dst);
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}
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// (direct) distance from endpoints
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const ClickDist d1(p1.getDistance(dst), ClickDistType::DIRECT);
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const ClickDist d2(p2.getDistance(dst), ClickDistType::DIRECT);
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// return the nearest possibility:
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return std::min(d1, std::min(d2, cutDist));
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}
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static QPen getPen(Floorplan::Material mat, Floorplan::ObstacleType type, bool focus, float thickness_px) {
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using namespace Floorplan;
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QPen pen; pen.setColor(Qt::darkGray);
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pen.setWidth(thickness_px);
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// this one is very important!
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// as we change the line's width, the line also becomes longer
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// but, we do not want this! -> FlatCap
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pen.setCapStyle(Qt::FlatCap);
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if (focus) {pen.setColor(Qt::black);}
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if (mat == Material::CONCRETE) {;}
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if (mat == Material::GLASS) {pen.setStyle(Qt::PenStyle::DotLine);}
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if (mat == Material::METALLIZED_GLAS) {pen.setStyle(Qt::PenStyle::DotLine);}
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if (mat == Material::METAL) {pen.setColor(QColor(50, 50, 50));}
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if (type == ObstacleType::HANDRAIL) {pen.setStyle(Qt::PenStyle::DashLine);}
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if (type == ObstacleType::UNKNOWN) {pen.setColor(Qt::red);}
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if (type == ObstacleType::PILLAR) {pen.setColor(Qt::red);}
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return pen;
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}
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};
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#endif // MAPELEMENTHELPER_H
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