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-rw-r--r--examples/datavisualization/texturesurface/main.cpp121
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diff --git a/examples/datavisualization/texturesurface/main.cpp b/examples/datavisualization/texturesurface/main.cpp
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--- a/examples/datavisualization/texturesurface/main.cpp
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-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the Qt Data Visualization module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:GPL$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 3 or (at your option) any later version
-** approved by the KDE Free Qt Foundation. The licenses are as published by
-** the Free Software Foundation and appearing in the file LICENSE.GPL3
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#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 <QtWidgets/QMessageBox>
-#include <QtGui/QScreen>
-#include <QtGui/QPainter>
-
-int main(int argc, char **argv)
-{
- qputenv("QSG_RHI_BACKEND", "opengl");
- QApplication app(argc, argv);
- Q3DSurface *graph = new Q3DSurface();
- QWidget *container = QWidget::createWindowContainer(graph);
-
- if (!graph->hasContext()) {
- QMessageBox msgBox;
- msgBox.setText("Couldn't initialize the OpenGL context.");
- msgBox.exec();
- return -1;
- }
-
- 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("Highlight 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();
-}