main.cpp 范例文件

surface/main.cpp
/**************************************************************************** ** ** 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/QPushButton> #include <QtWidgets/QRadioButton> #include <QtWidgets/QSlider> #include <QtWidgets/QGroupBox> #include <QtWidgets/QComboBox> #include <QtWidgets/QLabel> #include <QtWidgets/QMessageBox> #include <QtGui/QPainter> #include <QtGui/QScreen> int main(int argc, char **argv) { 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("Surface example")); QGroupBox *modelGroupBox = new QGroupBox(QStringLiteral("Model")); QRadioButton *sqrtSinModelRB = new QRadioButton(widget); sqrtSinModelRB->setText(QStringLiteral("Sqrt && Sin")); sqrtSinModelRB->setChecked(false); QRadioButton *heightMapModelRB = new QRadioButton(widget); heightMapModelRB->setText(QStringLiteral("Height Map")); heightMapModelRB->setChecked(false); QVBoxLayout *modelVBox = new QVBoxLayout; modelVBox->addWidget(sqrtSinModelRB); modelVBox->addWidget(heightMapModelRB); modelGroupBox->setLayout(modelVBox); QGroupBox *selectionGroupBox = new QGroupBox(QStringLiteral("Selection Mode")); QRadioButton *modeNoneRB = new QRadioButton(widget); modeNoneRB->setText(QStringLiteral("No selection")); modeNoneRB->setChecked(false); QRadioButton *modeItemRB = new QRadioButton(widget); modeItemRB->setText(QStringLiteral("Item")); modeItemRB->setChecked(false); QRadioButton *modeSliceRowRB = new QRadioButton(widget); modeSliceRowRB->setText(QStringLiteral("Row Slice")); modeSliceRowRB->setChecked(false); QRadioButton *modeSliceColumnRB = new QRadioButton(widget); modeSliceColumnRB->setText(QStringLiteral("Column Slice")); modeSliceColumnRB->setChecked(false); QVBoxLayout *selectionVBox = new QVBoxLayout; selectionVBox->addWidget(modeNoneRB); selectionVBox->addWidget(modeItemRB); selectionVBox->addWidget(modeSliceRowRB); selectionVBox->addWidget(modeSliceColumnRB); selectionGroupBox->setLayout(selectionVBox); QSlider *axisMinSliderX = new QSlider(Qt::Horizontal, widget); axisMinSliderX->setMinimum(0); axisMinSliderX->setTickInterval(1); axisMinSliderX->setEnabled(true); QSlider *axisMaxSliderX = new QSlider(Qt::Horizontal, widget); axisMaxSliderX->setMinimum(1); axisMaxSliderX->setTickInterval(1); axisMaxSliderX->setEnabled(true); QSlider *axisMinSliderZ = new QSlider(Qt::Horizontal, widget); axisMinSliderZ->setMinimum(0); axisMinSliderZ->setTickInterval(1); axisMinSliderZ->setEnabled(true); QSlider *axisMaxSliderZ = new QSlider(Qt::Horizontal, widget); axisMaxSliderZ->setMinimum(1); axisMaxSliderZ->setTickInterval(1); axisMaxSliderZ->setEnabled(true); QComboBox *themeList = new QComboBox(widget); themeList->addItem(QStringLiteral("Qt")); themeList->addItem(QStringLiteral("Primary Colors")); themeList->addItem(QStringLiteral("Digia")); themeList->addItem(QStringLiteral("Stone Moss")); themeList->addItem(QStringLiteral("Army Blue")); themeList->addItem(QStringLiteral("Retro")); themeList->addItem(QStringLiteral("Ebony")); themeList->addItem(QStringLiteral("Isabelle")); QGroupBox *colorGroupBox = new QGroupBox(QStringLiteral("Custom gradient")); QLinearGradient grBtoY(0, 0, 1, 100); grBtoY.setColorAt(1.0, Qt::black); grBtoY.setColorAt(0.67, Qt::blue); grBtoY.setColorAt(0.33, Qt::red); grBtoY.setColorAt(0.0, Qt::yellow); QPixmap pm(24, 100); QPainter pmp(&pm); pmp.setBrush(QBrush(grBtoY)); pmp.setPen(Qt::NoPen); pmp.drawRect(0, 0, 24, 100); QPushButton *gradientBtoYPB = new QPushButton(widget); gradientBtoYPB->setIcon(QIcon(pm)); gradientBtoYPB->setIconSize(QSize(24, 100)); QLinearGradient grGtoR(0, 0, 1, 100); grGtoR.setColorAt(1.0, Qt::darkGreen); grGtoR.setColorAt(0.5, Qt::yellow); grGtoR.setColorAt(0.2, Qt::red); grGtoR.setColorAt(0.0, Qt::darkRed); pmp.setBrush(QBrush(grGtoR)); pmp.drawRect(0, 0, 24, 100); QPushButton *gradientGtoRPB = new QPushButton(widget); gradientGtoRPB->setIcon(QIcon(pm)); gradientGtoRPB->setIconSize(QSize(24, 100)); QHBoxLayout *colorHBox = new QHBoxLayout; colorHBox->addWidget(gradientBtoYPB); colorHBox->addWidget(gradientGtoRPB); colorGroupBox->setLayout(colorHBox); vLayout->addWidget(modelGroupBox); vLayout->addWidget(selectionGroupBox); vLayout->addWidget(new QLabel(QStringLiteral("Column range"))); vLayout->addWidget(axisMinSliderX); vLayout->addWidget(axisMaxSliderX); vLayout->addWidget(new QLabel(QStringLiteral("Row range"))); vLayout->addWidget(axisMinSliderZ); vLayout->addWidget(axisMaxSliderZ); vLayout->addWidget(new QLabel(QStringLiteral("Theme"))); vLayout->addWidget(themeList); vLayout->addWidget(colorGroupBox); widget->show(); SurfaceGraph *modifier = new SurfaceGraph(graph); QObject::connect(heightMapModelRB, &QRadioButton::toggled, modifier, &SurfaceGraph::enableHeightMapModel); QObject::connect(sqrtSinModelRB, &QRadioButton::toggled, modifier, &SurfaceGraph::enableSqrtSinModel); QObject::connect(modeNoneRB, &QRadioButton::toggled, modifier, &SurfaceGraph::toggleModeNone); QObject::connect(modeItemRB, &QRadioButton::toggled, modifier, &SurfaceGraph::toggleModeItem); QObject::connect(modeSliceRowRB, &QRadioButton::toggled, modifier, &SurfaceGraph::toggleModeSliceRow); QObject::connect(modeSliceColumnRB, &QRadioButton::toggled, modifier, &SurfaceGraph::toggleModeSliceColumn); QObject::connect(axisMinSliderX, &QSlider::valueChanged, modifier, &SurfaceGraph::adjustXMin); QObject::connect(axisMaxSliderX, &QSlider::valueChanged, modifier, &SurfaceGraph::adjustXMax); QObject::connect(axisMinSliderZ, &QSlider::valueChanged, modifier, &SurfaceGraph::adjustZMin); QObject::connect(axisMaxSliderZ, &QSlider::valueChanged, modifier, &SurfaceGraph::adjustZMax); QObject::connect(themeList, SIGNAL(currentIndexChanged(int)), modifier, SLOT(changeTheme(int))); QObject::connect(gradientBtoYPB, &QPushButton::pressed, modifier, &SurfaceGraph::setBlackToYellowGradient); QObject::connect(gradientGtoRPB, &QPushButton::pressed, modifier, &SurfaceGraph::setGreenToRedGradient); modifier->setAxisMinSliderX(axisMinSliderX); modifier->setAxisMaxSliderX(axisMaxSliderX); modifier->setAxisMinSliderZ(axisMinSliderZ); modifier->setAxisMaxSliderZ(axisMaxSliderZ); sqrtSinModelRB->setChecked(true); modeItemRB->setChecked(true); themeList->setCurrentIndex(2); return app.exec(); }