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// Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB).
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include <QGuiApplication>
#include <QFontDatabase>
#include <Qt3DCore/Qt3DCore>
#include <Qt3DRender/QGeometryRenderer>
#include <Qt3DExtras/Qt3DExtras>
#include <Qt3DExtras/QExtrudedTextMesh>
int main(int argc, char *argv[])
{
QGuiApplication a(argc, argv);
Qt3DExtras::Qt3DWindow *view = new Qt3DExtras::Qt3DWindow();
view->setTitle(QStringLiteral("3D Text CPP"));
view->defaultFrameGraph()->setClearColor(QColor(210, 210, 220));
auto *root = new Qt3DCore::QEntity();
{ // plane
auto *plane = new Qt3DCore::QEntity(root);
auto *planeMesh = new Qt3DExtras::QPlaneMesh();
auto *planeTransform = new Qt3DCore::QTransform();
auto *planeMaterial = new Qt3DExtras::QPhongMaterial(root);
planeMesh->setWidth(10); planeMesh->setHeight(10);
planeTransform->setTranslation(QVector3D(0, 0, 0));
planeMaterial->setDiffuse(QColor(150, 150, 150));
plane->addComponent(planeMaterial);
plane->addComponent(planeMesh);
plane->addComponent(planeTransform);
}
auto *textMaterial = new Qt3DExtras::QPhongMaterial(root);
{ // text
int i = 0;
const QStringList fonts = QFontDatabase::families();
for (const QString &family : fonts)
{
auto *text = new Qt3DCore::QEntity(root);
auto *textMesh = new Qt3DExtras::QExtrudedTextMesh();
auto *textTransform = new Qt3DCore::QTransform();
QFont font(family, 32, -1, false);
textTransform->setTranslation(QVector3D(-2.45f, i * .5f, 0));
textTransform->setScale(.2f);
textMesh->setDepth(.45f);
textMesh->setFont(font);
textMesh->setText(family);
textMaterial->setDiffuse(QColor(111, 150, 255));
text->addComponent(textMaterial);
text->addComponent(textMesh);
text->addComponent(textTransform);
i++;
}
}
{ // camera
float aspect = static_cast<float>(view->screen()->size().width()) / view->screen()->size().height();
Qt3DRender::QCamera *camera = view->camera();
camera->lens()->setPerspectiveProjection(65.f, aspect, 0.1f, 100.f);
camera->setPosition(QVector3D(0, 5, 3));
camera->setViewCenter(QVector3D(0, 5, 0));
auto *cameraController = new Qt3DExtras::QOrbitCameraController(root);
cameraController->setCamera(camera);
}
view->setRootEntity(root);
view->show();
return a.exec();
}
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