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diff --git a/examples/datavisualization/texturesurface/main.cpp b/examples/datavisualization/texturesurface/main.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 QtDataVisualization module.
+**
+** 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
+**
+****************************************************************************/
+
+#include "surfacegraph.h"
+
+#include <QtWidgets/QApplication>
+#include <QtWidgets/QWidget>
+#include <QtWidgets/QHBoxLayout>
+#include <QtWidgets/QVBoxLayout>
+#include <QtWidgets/QGroupBox>
+#include <QtWidgets/QCheckBox>
+#include <QtWidgets/QLabel>
+#include <QtGui/QScreen>
+#include <QtGui/QPainter>
+
+int main(int argc, char **argv)
+{
+ QApplication app(argc, argv);
+ Q3DSurface *graph = new Q3DSurface();
+ QWidget *container = QWidget::createWindowContainer(graph);
+
+ QSize screenSize = graph->screen()->size();
+ container->setMinimumSize(QSize(screenSize.width() / 2, screenSize.height() / 1.6));
+ container->setMaximumSize(screenSize);
+ container->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
+ container->setFocusPolicy(Qt::StrongFocus);
+
+ QWidget *widget = new QWidget;
+ QHBoxLayout *hLayout = new QHBoxLayout(widget);
+ QVBoxLayout *vLayout = new QVBoxLayout();
+ hLayout->addWidget(container, 1);
+ hLayout->addLayout(vLayout);
+ vLayout->setAlignment(Qt::AlignTop);
+
+ widget->setWindowTitle(QStringLiteral("Textured surface example"));
+
+ QCheckBox *enableTexture = new QCheckBox(widget);
+ enableTexture->setText(QStringLiteral("Surface texture"));
+
+ int height = 400;
+ int width = 100;
+ int border = 10;
+ QLinearGradient gr(0, 0, 1, height - 2 * border);
+ gr.setColorAt(1.0f, Qt::black);
+ gr.setColorAt(0.8f, Qt::darkGreen);
+ gr.setColorAt(0.6f, Qt::green);
+ gr.setColorAt(0.4f, Qt::yellow);
+ gr.setColorAt(0.2f, Qt::red);
+ gr.setColorAt(0.0f, Qt::darkRed);
+
+ QPixmap pm(width, height);
+ pm.fill(Qt::transparent);
+ QPainter pmp(&pm);
+ pmp.setBrush(QBrush(gr));
+ pmp.setPen(Qt::NoPen);
+ pmp.drawRect(border, border, 35, height - 2 * border);
+ pmp.setPen(Qt::black);
+ int step = (height - 2 * border) / 5;
+ for (int i = 0; i < 6; i++) {
+ int yPos = i * step + border;
+ pmp.drawLine(border, yPos, 55, yPos);
+ pmp.drawText(60, yPos + 2, QString("%1 m").arg(550 - (i * 110)));
+ }
+
+ QLabel *label = new QLabel(widget);
+ label->setPixmap(pm);
+
+ QGroupBox *heightMapGroupBox = new QGroupBox(QStringLiteral("Height color map"));
+ QVBoxLayout *colorMapVBox = new QVBoxLayout;
+ colorMapVBox->addWidget(label);
+ heightMapGroupBox->setLayout(colorMapVBox);
+
+ vLayout->addWidget(enableTexture);
+ vLayout->addWidget(heightMapGroupBox);
+
+ widget->show();
+
+ SurfaceGraph *modifier = new SurfaceGraph(graph);
+
+ QObject::connect(enableTexture, &QCheckBox::stateChanged,
+ modifier, &SurfaceGraph::toggleSurfaceTexture);
+
+ enableTexture->setChecked(true);
+
+ return app.exec();
+}