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-rw-r--r--src/charts/barchart/horizontal/stacked/horizontalstackedbarchartitem.cpp107
1 files changed, 107 insertions, 0 deletions
diff --git a/src/charts/barchart/horizontal/stacked/horizontalstackedbarchartitem.cpp b/src/charts/barchart/horizontal/stacked/horizontalstackedbarchartitem.cpp
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index 00000000..fe6f162d
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+++ b/src/charts/barchart/horizontal/stacked/horizontalstackedbarchartitem.cpp
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+/****************************************************************************
+**
+** 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 "horizontalstackedbarchartitem_p.h"
+#include "qabstractbarseries_p.h"
+#include "qbarset_p.h"
+#include "bar_p.h"
+
+QT_CHARTS_BEGIN_NAMESPACE
+
+HorizontalStackedBarChartItem::HorizontalStackedBarChartItem(QAbstractBarSeries *series, QGraphicsItem* item)
+ : AbstractBarChartItem(series, item)
+{
+}
+
+void HorizontalStackedBarChartItem::initializeLayout()
+{
+ qreal categoryCount = m_series->d_func()->categoryCount();
+ qreal setCount = m_series->count();
+ qreal barWidth = m_series->d_func()->barWidth();
+
+ m_layout.clear();
+ for(int category = 0; category < categoryCount; category++) {
+ for (int set = 0; set < setCount; set++) {
+ QRectF rect;
+ QPointF topLeft;
+ QPointF bottomRight;
+ if (domain()->type() == AbstractDomain::LogXYDomain || domain()->type() == AbstractDomain::LogXLogYDomain) {
+ topLeft = domain()->calculateGeometryPoint(QPointF(domain()->minX(), category - barWidth / 2), m_validData);
+ bottomRight = domain()->calculateGeometryPoint(QPointF(domain()->minX(), category + barWidth / 2), m_validData);
+ } else {
+ topLeft = domain()->calculateGeometryPoint(QPointF(0, category - barWidth / 2), m_validData);
+ bottomRight = domain()->calculateGeometryPoint(QPointF(0, category + barWidth / 2), m_validData);
+ }
+
+ if (!m_validData)
+ return;
+
+ rect.setTopLeft(topLeft);
+ rect.setBottomRight(bottomRight);
+ m_layout.append(rect.normalized());
+ }
+ }
+}
+
+QVector<QRectF> HorizontalStackedBarChartItem::calculateLayout()
+{
+ QVector<QRectF> layout;
+
+ // Use temporary qreals for accuracy
+ qreal categoryCount = m_series->d_func()->categoryCount();
+ qreal setCount = m_series->count();
+ qreal barWidth = m_series->d_func()->barWidth();
+
+ for(int category = 0; category < categoryCount; category++) {
+ qreal positiveSum = 0;
+ qreal negativeSum = 0;
+ for (int set = 0; set < setCount; set++) {
+ qreal value = m_series->barSets().at(set)->at(category);
+ QRectF rect;
+ QPointF topLeft;
+ QPointF bottomRight;
+ if (value < 0) {
+ bottomRight = domain()->calculateGeometryPoint(QPointF(value + negativeSum, category - barWidth / 2), m_validData);
+ if (domain()->type() == AbstractDomain::LogXYDomain || domain()->type() == AbstractDomain::LogXLogYDomain)
+ topLeft = domain()->calculateGeometryPoint(QPointF(set ? negativeSum : domain()->minX(), category + barWidth / 2), m_validData);
+ else
+ topLeft = domain()->calculateGeometryPoint(QPointF(set ? negativeSum : 0, category + barWidth / 2), m_validData);
+ negativeSum += value;
+ } else {
+ bottomRight = domain()->calculateGeometryPoint(QPointF(value + positiveSum, category - barWidth / 2), m_validData);
+ if (domain()->type() == AbstractDomain::LogXYDomain || domain()->type() == AbstractDomain::LogXLogYDomain)
+ topLeft = domain()->calculateGeometryPoint(QPointF(set ? positiveSum : domain()->minX(), category + barWidth / 2), m_validData);
+ else
+ topLeft = domain()->calculateGeometryPoint(QPointF(set ? positiveSum : 0, category + barWidth / 2), m_validData);
+ positiveSum += value;
+ }
+
+ rect.setTopLeft(topLeft);
+ rect.setBottomRight(bottomRight);
+ layout.append(rect.normalized());
+ }
+ }
+ return layout;
+}
+
+#include "moc_horizontalstackedbarchartitem_p.cpp"
+
+QT_CHARTS_END_NAMESPACE
+