Revision control
++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
++
++ #undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
++
++ #include "private/glxyseriesdata_p.h"
++ #include "private/abstractdomain_p.h"
++ #if QT_CONFIG(charts_scatter_chart)
++ #include <QtCharts/QScatterSeries>
++ #endif
++
++ QT_BEGIN_NAMESPACE
++
++ GLXYSeriesDataManager::GLXYSeriesDataManager(QObject *parent)
++ : QObject(parent),
++ m_mapDirty(false)
++ {
++ }
++
++ GLXYSeriesDataManager::~GLXYSeriesDataManager()
++ {
++ cleanup();
++ }
++
++ void GLXYSeriesDataManager::setPoints(QXYSeries *series, const AbstractDomain *domain)
++ {
++ GLXYSeriesData *data = m_seriesDataMap.value(series);
++ if (!data) {
++ data = new GLXYSeriesData;
++ data->type = series->type();
++ data->visible = series->isVisible();
++ QColor sc;
++ #if QT_CONFIG(charts_scatter_chart)
++ if (data->type == QAbstractSeries::SeriesTypeScatter) {
++ QScatterSeries *scatter = static_cast<QScatterSeries *>(series);
++ data->width = float(scatter->markerSize());
++ sc = scatter->color(); // Scatter overwrites color property
++ connect(scatter, &QScatterSeries::colorChanged, this,
++ &GLXYSeriesDataManager::handleScatterColorChange);
++ connect(scatter, &QScatterSeries::markerSizeChanged, this,
++ &GLXYSeriesDataManager::handleScatterMarkerSizeChange);
++ } else
++ #endif
++ {
++ data->width = float(series->pen().widthF());
++ sc = series->color();
++ connect(series, &QXYSeries::penChanged, this,
++ &GLXYSeriesDataManager::handleSeriesPenChange);
++ }
++ data->color = QVector3D(float(sc.redF()), float(sc.greenF()), float(sc.blueF()));
++ connect(series, &QXYSeries::useOpenGLChanged, this,
++ &GLXYSeriesDataManager::handleSeriesOpenGLChange);
++ connect(series, &QXYSeries::visibleChanged, this,
++ &GLXYSeriesDataManager::handleSeriesVisibilityChange);
++ m_seriesDataMap.insert(series, data);
++ m_mapDirty = true;
++ }
++ QList<float> &array = data->array;
++
++ bool logAxis = false;
++ bool reverseX = false;
++ bool reverseY = false;
++ const auto attached = series->attachedAxes();
++ for (QAbstractAxis *axis : attached) {
++ if (axis->type() == QAbstractAxis::AxisTypeLogValue) {
++ logAxis = true;
++ break;
++ }
++ if (axis->isReverse()) {
++ if (axis->orientation() == Qt::Horizontal)
++ reverseX = true;
++ else
++ reverseY = true;
++ if (reverseX && reverseY)
++ break;
++ }
++ }
++ int count = series->count();
++ int index = 0;
++ array.resize(count * 2);
++ QMatrix4x4 matrix;
++ if (logAxis) {
++ // Use domain to resolve geometry points. Not as fast as shaders, but simpler that way
++ QList<QPointF> geometryPoints = domain->calculateGeometryPoints(series->points());
++ const float height = domain->size().height();
++ if (geometryPoints.size()) {
++ for (int i = 0; i < count; i++) {
++ const QPointF &point = geometryPoints.at(i);
++ array[index++] = float(point.x());
++ array[index++] = float(height - point.y());
++ }
++ } else {
++ // If there are invalid log values, geometry points generation fails
++ for (int i = 0; i < count; i++) {
++ array[index++] = 0.0f;
++ array[index++] = 0.0f;
++ }
++ }
++ data->min = QVector2D(0, 0);
++ data->delta = QVector2D(domain->size().width() / 2.0f, domain->size().height() / 2.0f);
++ } else {
++ // Regular value axes, so we can optimize it a bit.
++ if (reverseX)
++ matrix.scale(-1.0, 1.0);
++ if (reverseY)
++ matrix.scale(1.0, -1.0);
++
++ const qreal mx = domain->minX();
++ const qreal my = domain->minY();
++ const qreal xd = domain->maxX() - mx;
++ const qreal yd = domain->maxY() - my;
++
++ if (!qFuzzyIsNull(xd) && !qFuzzyIsNull(yd)) {
++ const QList<QPointF> seriesPoints = series->points();
++ for (const QPointF &point : seriesPoints) {
++ array[index++] = float((point.x() - mx) / xd);
++ array[index++] = float((point.y() - my) / yd);
++ }
++ }
++ data->min = QVector2D(0.0f, 0.0f);
++ data->delta = QVector2D(0.5f, 0.5f);
++ }
++ data->matrix = matrix;
++ data->dirty = true;
++ }
++
++ void GLXYSeriesDataManager::removeSeries(const QXYSeries *series)
++ {
++ GLXYSeriesData *data = m_seriesDataMap.take(series);
++ if (data) {
++ disconnect(series, 0, this, 0);
++ delete data;
++ emit seriesRemoved(series);
++ m_mapDirty = true;
++ }
++ }
++
++ void GLXYSeriesDataManager::cleanup()
++ {
++ for (auto data : std::as_const(m_seriesDataMap))
++ delete data;
++ m_seriesDataMap.clear();
++ m_mapDirty = true;
++ // Signal all series removal by using zero as parameter
++ emit seriesRemoved(0);
++ }
++
++ void GLXYSeriesDataManager::handleSeriesPenChange()
++ {
++ QXYSeries *series = qobject_cast<QXYSeries *>(sender());
++ if (series) {
++ GLXYSeriesData *data = m_seriesDataMap.value(series);
++ if (data) {
++ QColor sc = series->color();
++ data->color = QVector3D(float(sc.redF()), float(sc.greenF()), float(sc.blueF()));
++ data->width = float(series->pen().widthF());
++ data->dirty = true;
++ }
++ }
++ }
++
++ void GLXYSeriesDataManager::handleSeriesOpenGLChange()
++ {
++ QXYSeries *series = qobject_cast<QXYSeries *>(sender());
++ if (!series->useOpenGL())
++ removeSeries(series);
++ }
++
++ void GLXYSeriesDataManager::handleSeriesVisibilityChange()
++ {
++ QXYSeries *series = qobject_cast<QXYSeries *>(sender());
++ if (series) {
++ GLXYSeriesData *data = m_seriesDataMap.value(series);
++ if (data) {
++ data->visible = series->isVisible();
++ data->dirty = true;
++ }
++ }
++ }
++
++ #if QT_CONFIG(charts_scatter_chart)
++ void GLXYSeriesDataManager::handleScatterColorChange()
++ {
++ QScatterSeries *series = qobject_cast<QScatterSeries *>(sender());
++ if (series) {
++ GLXYSeriesData *data = m_seriesDataMap.value(series);
++ if (data) {
++ QColor sc = series->color();
++ data->color = QVector3D(float(sc.redF()), float(sc.greenF()), float(sc.blueF()));
++ data->dirty = true;
++ }
++ }
++ }
++
++ void GLXYSeriesDataManager::handleScatterMarkerSizeChange()
++ {
++ QScatterSeries *series = qobject_cast<QScatterSeries *>(sender());
++ if (series) {
++ GLXYSeriesData *data = m_seriesDataMap.value(series);
++ if (data) {
++ data->width =float(series->markerSize());
++ data->dirty = true;
++ }
++ }
++ }
++ #endif
++
++ void GLXYSeriesDataManager::handleAxisReverseChanged(const QList<QAbstractSeries *> &seriesList)
++ {
++ bool reverseX = false;
++ bool reverseY = false;
++ for (auto series : seriesList) {
++ if (QXYSeries *xyseries = qobject_cast<QXYSeries *>(series)) {
++ GLXYSeriesData *data = m_seriesDataMap.value(xyseries);
++ if (data) {
++ const auto &axes = xyseries->attachedAxes();
++ for (auto axis : axes) {
++ if (axis->isReverse()) {
++ if (axis->orientation() == Qt::Horizontal)
++ reverseX = true;
++ else
++ reverseY = true;
++ }
++ if (reverseX && reverseY)
++ break;
++ }
++ QMatrix4x4 matrix;
++ if (reverseX)
++ matrix.scale(-1.0, 1.0);
++ if (reverseY)
++ matrix.scale(1.0, -1.0);
++ data->matrix = matrix;
++ data->dirty = true;
++ }
++ }
++ }
++ }
++
++ QT_END_NAMESPACE
++