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Diffstat (limited to 'src/axis/polarchartaxisradial.cpp')
| -rw-r--r-- | src/axis/polarchartaxisradial.cpp | 297 |
1 files changed, 0 insertions, 297 deletions
diff --git a/src/axis/polarchartaxisradial.cpp b/src/axis/polarchartaxisradial.cpp deleted file mode 100644 index 01000bac..00000000 --- a/src/axis/polarchartaxisradial.cpp +++ /dev/null @@ -1,297 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2014 Digia Plc -** All rights reserved. -** For any questions to Digia, please use contact form at http://qt.digia.com -** -** This file is part of the Qt Enterprise Charts Add-on. -** -** $QT_BEGIN_LICENSE$ -** Licensees holding valid Qt Enterprise licenses may use this file in -** accordance with the Qt Enterprise License Agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and Digia. -** -** If you have questions regarding the use of this file, please use -** contact form at http://qt.digia.com -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "polarchartaxisradial_p.h" -#include "chartpresenter_p.h" -#include "abstractchartlayout_p.h" -#include "qabstractaxis_p.h" -#include "linearrowitem_p.h" -#include <QTextDocument> - -QTCOMMERCIALCHART_BEGIN_NAMESPACE - -PolarChartAxisRadial::PolarChartAxisRadial(QAbstractAxis *axis, QGraphicsItem *item, bool intervalAxis) - : PolarChartAxis(axis, item, intervalAxis) -{ -} - -PolarChartAxisRadial::~PolarChartAxisRadial() -{ -} - -void PolarChartAxisRadial::updateGeometry() -{ - const QVector<qreal> &layout = this->layout(); - if (layout.isEmpty()) - return; - - createAxisLabels(layout); - QStringList labelList = labels(); - QPointF center = axisGeometry().center(); - QList<QGraphicsItem *> arrowItemList = arrowItems(); - QList<QGraphicsItem *> gridItemList = gridItems(); - QList<QGraphicsItem *> labelItemList = labelItems(); - QList<QGraphicsItem *> shadeItemList = shadeItems(); - QGraphicsTextItem* title = titleItem(); - qreal radius = axisGeometry().height() / 2.0; - - QLineF line(center, center + QPointF(0, -radius)); - QGraphicsLineItem *axisLine = static_cast<QGraphicsLineItem *>(arrowItemList.at(0)); - axisLine->setLine(line); - - QRectF previousLabelRect; - bool firstShade = true; - bool nextTickVisible = false; - if (layout.size()) - nextTickVisible = !(layout.at(0) < 0.0 || layout.at(0) > radius); - - for (int i = 0; i < layout.size(); ++i) { - qreal radialCoordinate = layout.at(i); - - QGraphicsEllipseItem *gridItem = static_cast<QGraphicsEllipseItem *>(gridItemList.at(i)); - QGraphicsLineItem *tickItem = static_cast<QGraphicsLineItem *>(arrowItemList.at(i + 1)); - QGraphicsTextItem *labelItem = static_cast<QGraphicsTextItem *>(labelItemList.at(i)); - QGraphicsPathItem *shadeItem = 0; - if (i == 0) - shadeItem = static_cast<QGraphicsPathItem *>(shadeItemList.at(0)); - else if (i % 2) - shadeItem = static_cast<QGraphicsPathItem *>(shadeItemList.at((i / 2) + 1)); - - // Ignore ticks outside valid range - bool currentTickVisible = nextTickVisible; - if ((i == layout.size() - 1) - || layout.at(i + 1) < 0.0 - || layout.at(i + 1) > radius) { - nextTickVisible = false; - } else { - nextTickVisible = true; - } - - qreal labelCoordinate = radialCoordinate; - qreal labelVisible = currentTickVisible; - qreal labelPad = labelPadding() / 2.0; - if (intervalAxis()) { - qreal farEdge; - if (i == (layout.size() - 1)) - farEdge = radius; - else - farEdge = qMin(radius, layout.at(i + 1)); - - // Adjust the labelCoordinate to show it if next tick is visible - if (nextTickVisible) - labelCoordinate = qMax(qreal(0.0), labelCoordinate); - - labelCoordinate = (labelCoordinate + farEdge) / 2.0; - if (labelCoordinate > 0.0 && labelCoordinate < radius) - labelVisible = true; - else - labelVisible = false; - } - - // Radial axis label - if (axis()->labelsVisible() && labelVisible) { - QRectF boundingRect = ChartPresenter::textBoundingRect(axis()->labelsFont(), - labelList.at(i), - axis()->labelsAngle()); - labelItem->setTextWidth(boundingRect.width()); - labelItem->setHtml(labelList.at(i)); - QRectF labelRect = labelItem->boundingRect(); - QPointF labelCenter = labelRect.center(); - labelItem->setTransformOriginPoint(labelCenter.x(), labelCenter.y()); - boundingRect.moveCenter(labelCenter); - QPointF positionDiff(labelRect.topLeft() - boundingRect.topLeft()); - QPointF labelPoint = center; - if (intervalAxis()) - labelPoint += QPointF(labelPad, -labelCoordinate - (boundingRect.height() / 2.0)); - else - labelPoint += QPointF(labelPad, labelPad - labelCoordinate); - labelRect.moveTopLeft(labelPoint); - labelItem->setPos(labelRect.topLeft() + positionDiff); - - // Label overlap detection - labelRect.setSize(boundingRect.size()); - if ((i && previousLabelRect.intersects(labelRect)) - || !axisGeometry().contains(labelRect)) { - labelVisible = false; - } else { - previousLabelRect = labelRect; - labelVisible = true; - } - } - - labelItem->setVisible(labelVisible); - if (!currentTickVisible) { - gridItem->setVisible(false); - tickItem->setVisible(false); - if (shadeItem) - shadeItem->setVisible(false); - continue; - } - - // Radial grid line - QRectF gridRect; - gridRect.setWidth(radialCoordinate * 2.0); - gridRect.setHeight(radialCoordinate * 2.0); - gridRect.moveCenter(center); - - gridItem->setRect(gridRect); - gridItem->setVisible(true); - - // Tick - QLineF tickLine(-tickWidth(), 0.0, tickWidth(), 0.0); - tickLine.translate(center.rx(), gridRect.top()); - tickItem->setLine(tickLine); - tickItem->setVisible(true); - - // Shades - if (i % 2 || (i == 0 && !nextTickVisible)) { - QPainterPath path; - if (i == 0) { - // If first tick is also the last, we need to custom fill the inner circle - // or it won't get filled. - QRectF innerCircle(0.0, 0.0, layout.at(0) * 2.0, layout.at(0) * 2.0); - innerCircle.moveCenter(center); - path.addEllipse(innerCircle); - } else { - QRectF otherGridRect; - if (!nextTickVisible) { // Last visible tick - otherGridRect = axisGeometry(); - } else { - qreal otherGridRectDimension = layout.at(i + 1) * 2.0; - otherGridRect.setWidth(otherGridRectDimension); - otherGridRect.setHeight(otherGridRectDimension); - otherGridRect.moveCenter(center); - } - path.addEllipse(gridRect); - path.addEllipse(otherGridRect); - - // Add additional shading in first visible shade item if there is a partial tick - // to be filled at the center (log & category axes) - if (firstShade) { - QGraphicsPathItem *specialShadeItem = static_cast<QGraphicsPathItem *>(shadeItemList.at(0)); - if (layout.at(i - 1) > 0.0) { - QRectF innerCircle(0.0, 0.0, layout.at(i - 1) * 2.0, layout.at(i - 1) * 2.0); - innerCircle.moveCenter(center); - QPainterPath specialPath; - specialPath.addEllipse(innerCircle); - specialShadeItem->setPath(specialPath); - specialShadeItem->setVisible(true); - } else { - specialShadeItem->setVisible(false); - } - } - } - shadeItem->setPath(path); - shadeItem->setVisible(true); - firstShade = false; - } - } - - // Title, along the 0 axis - QString titleText = axis()->titleText(); - if (!titleText.isEmpty() && axis()->isTitleVisible()) { - QRectF truncatedRect; - title->setHtml(ChartPresenter::truncatedText(axis()->titleFont(), titleText, qreal(0.0), - radius, radius, truncatedRect)); - title->setTextWidth(truncatedRect.width()); - - QRectF titleBoundingRect = title->boundingRect(); - QPointF titleCenter = titleBoundingRect.center(); - QPointF arrowCenter = axisLine->boundingRect().center(); - QPointF titleCenterDiff = arrowCenter - titleCenter; - title->setPos(titleCenterDiff.x() - titlePadding() - (titleBoundingRect.height() / 2.0), titleCenterDiff.y()); - title->setTransformOriginPoint(titleCenter); - title->setRotation(270.0); - } - - QGraphicsLayoutItem::updateGeometry(); -} - -Qt::Orientation PolarChartAxisRadial::orientation() const -{ - return Qt::Vertical; -} - -void PolarChartAxisRadial::createItems(int count) -{ - if (arrowItems().count() == 0) { - // radial axis center line - QGraphicsLineItem *arrow = new LineArrowItem(this, presenter()->rootItem()); - arrow->setPen(axis()->linePen()); - arrowGroup()->addToGroup(arrow); - } - - QGraphicsTextItem *title = titleItem(); - title->setFont(axis()->titleFont()); - title->setDefaultTextColor(axis()->titleBrush().color()); - title->setHtml(axis()->titleText()); - - for (int i = 0; i < count; ++i) { - QGraphicsLineItem *arrow = new QGraphicsLineItem(presenter()->rootItem()); - QGraphicsEllipseItem *grid = new QGraphicsEllipseItem(presenter()->rootItem()); - QGraphicsTextItem *label = new QGraphicsTextItem(presenter()->rootItem()); - label->document()->setDocumentMargin(ChartPresenter::textMargin()); - arrow->setPen(axis()->linePen()); - grid->setPen(axis()->gridLinePen()); - label->setFont(axis()->labelsFont()); - label->setDefaultTextColor(axis()->labelsBrush().color()); - label->setRotation(axis()->labelsAngle()); - arrowGroup()->addToGroup(arrow); - gridGroup()->addToGroup(grid); - labelGroup()->addToGroup(label); - if (gridItems().size() == 1 || (((gridItems().size() + 1) % 2) && gridItems().size() > 0)) { - QGraphicsPathItem *shade = new QGraphicsPathItem(presenter()->rootItem()); - shade->setPen(axis()->shadesPen()); - shade->setBrush(axis()->shadesBrush()); - shadeGroup()->addToGroup(shade); - } - } -} - -void PolarChartAxisRadial::handleArrowPenChanged(const QPen &pen) -{ - foreach (QGraphicsItem *item, arrowItems()) - static_cast<QGraphicsLineItem *>(item)->setPen(pen); -} - -void PolarChartAxisRadial::handleGridPenChanged(const QPen &pen) -{ - foreach (QGraphicsItem *item, gridItems()) - static_cast<QGraphicsEllipseItem *>(item)->setPen(pen); -} - -QSizeF PolarChartAxisRadial::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const -{ - Q_UNUSED(which); - Q_UNUSED(constraint); - return QSizeF(-1.0, -1.0); -} - -qreal PolarChartAxisRadial::preferredAxisRadius(const QSizeF &maxSize) -{ - qreal radius = maxSize.height() / 2.0; - if (maxSize.width() < maxSize.height()) - radius = maxSize.width() / 2.0; - return radius; -} - -#include "moc_polarchartaxisradial_p.cpp" - -QTCOMMERCIALCHART_END_NAMESPACE |