58 lines
1.3 KiB
C++
58 lines
1.3 KiB
C++
#include "stdafx.h"
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#include "MapToolSpectral.h"
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#include "ImageViewer.h"
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#include "RasterLayer.h"
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#include <QMouseEvent>
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#include <QGraphicsScene>
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#include <QGraphicsLineItem>
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#include <QPen>
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#include <cmath>
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MapToolSpectral::MapToolSpectral(QObject* parent)
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: MapTool(parent)
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{
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setCursor(Qt::CrossCursor);
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}
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MapToolSpectral::~MapToolSpectral()
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{
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}
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void MapToolSpectral::activate()
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{
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MapTool::activate();
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}
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void MapToolSpectral::deactivate()
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{
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canvas()->removeCrosshair();
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MapTool::deactivate();
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}
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void MapToolSpectral::canvasMousePressEvent(QMouseEvent* e)
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{
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if (e->button() != Qt::LeftButton)
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return;
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if (!canvas())
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return;
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const QPointF scenePt = canvas()->mapToScene(e->pos());
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const int x = static_cast<int>(std::floor(scenePt.x()));
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const int y = static_cast<int>(std::floor(scenePt.y()));
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auto* imageLayer = canvas()->imageLayer();
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RasterLayer* rl = imageLayer ? imageLayer->layer() : nullptr;
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if (rl && rl->isValidPixel(x, y))
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{
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canvas()->updateCrosshair(x + 0.5, y + 0.5);
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QVector<double> wavelengths;
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QVector<double> spectrum;
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if (rl->readPixelSpectrum(x, y, wavelengths, spectrum))
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{
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emit spectralClicked(x, y, wavelengths, spectrum);
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}
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}
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}
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