74 lines
1.9 KiB
C++
74 lines
1.9 KiB
C++
// SPDX-FileCopyrightText: 2025 Filip Leonarski, Paul Scherrer Institute <filip.leonarski@psi.ch>
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// SPDX-License-Identifier: GPL-3.0-only
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#include "JFJochGridScanImage.h"
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JFJochGridScanImage::JFJochGridScanImage(QWidget *parent) : JFJochImage(parent) {
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}
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void JFJochGridScanImage::clear() {
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W = 0;
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H = 0;
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if (scene())
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scene()->clear();
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CalcROI();
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}
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void JFJochGridScanImage::loadData(const std::vector<float> &data, const GridScanSettings &settings) {
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if (data.empty()) {
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clear();
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return;
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}
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W = settings.GetGridSizeX_step();
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H = settings.GetGridSizeY_step();
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image_fp = settings.Rearrange(data, NAN);
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std::vector<int64_t> indices(image_fp.size());
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std::iota(indices.begin(), indices.end(), 0);
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image_index = settings.Rearrange(indices, -1);
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background = *std::ranges::min_element(image_fp);
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foreground = *std::ranges::max_element(image_fp);
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GeneratePixmap();
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Redraw();
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CalcROI();
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}
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void JFJochGridScanImage::mouseHover(QMouseEvent *event) {
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if (event->modifiers() & Qt::ShiftModifier)
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loadImage(event);
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}
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void JFJochGridScanImage::loadImage(QMouseEvent *event) {
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// Map mouse position to image pixel if inside bounds
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if (W == 0 || H == 0 || image_index.empty())
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return;
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const QPointF pt = mapToScene(event->pos());
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// Convert view coordinates to image pixel by truncation
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int x = static_cast<int>(pt.x());
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int y = static_cast<int>(pt.y());
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if (x < 0 || x >= W || y < 0 || y >= H)
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return;
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int idx = y * W + x;
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if (idx < 0 || idx >= static_cast<int>(image_index.size()))
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return;
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int64_t image_id = image_index[idx];
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if (image_id >= 0)
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emit imageSelected(image_id);
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}
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void JFJochGridScanImage::mouseDoubleClickEvent(QMouseEvent *event) {
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loadImage(event);
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JFJochImage::mouseDoubleClickEvent(event);
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}
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