c66b7cf55b
QScreen now has a primary and current orientation, and a QWindow can set its orientation as well. The current screen orientation is just a hint to the application. Change-Id: I4635982cfac2d16634d4edd5c6ab78e9d0ac55a4 Reviewed-on: http://codereview.qt-project.org/5988 Reviewed-by: Paul Olav Tvete <paul.tvete@nokia.com> Sanity-Review: Qt Sanity Bot <qt_sanity_bot@ovi.com> Reviewed-by: Lars Knoll <lars.knoll@nokia.com>
133 lines
4.3 KiB
C++
133 lines
4.3 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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** the names of its contributors may be used to endorse or promote
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** products derived from this software without specific prior written
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** permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "paintedwindow.h"
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#include <QGuiApplication>
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#include <QOpenGLContext>
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#include <QOpenGLPaintDevice>
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#include <QPainter>
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#include <QScreen>
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#include <QTimer>
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#include <qmath.h>
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PaintedWindow::PaintedWindow()
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{
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QSurfaceFormat format;
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format.setStencilBufferSize(8);
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format.setSamples(4);
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setSurfaceType(QWindow::OpenGLSurface);
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setWindowFlags(Qt::Window | Qt::WindowTitleHint | Qt::WindowMinMaxButtonsHint | Qt::WindowCloseButtonHint);
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setFormat(format);
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create();
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m_context = new QOpenGLContext(this);
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m_context->setFormat(format);
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m_context->create();
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}
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void PaintedWindow::resizeEvent(QResizeEvent *)
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{
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paint();
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}
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void PaintedWindow::exposeEvent(QExposeEvent *)
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{
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paint();
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}
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void PaintedWindow::mousePressEvent(QMouseEvent *)
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{
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Qt::ScreenOrientation o = orientation();
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if (o == Qt::UnknownOrientation)
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o = QGuiApplication::primaryScreen()->primaryOrientation();
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switch (o) {
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case Qt::LandscapeOrientation:
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setOrientation(Qt::PortraitOrientation);
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break;
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case Qt::PortraitOrientation:
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setOrientation(Qt::InvertedLandscapeOrientation);
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break;
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case Qt::InvertedLandscapeOrientation:
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setOrientation(Qt::InvertedPortraitOrientation);
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break;
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case Qt::InvertedPortraitOrientation:
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setOrientation(Qt::LandscapeOrientation);
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break;
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default:
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Q_ASSERT(false);
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}
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paint();
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}
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void PaintedWindow::paint()
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{
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m_context->makeCurrent(this);
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QOpenGLPaintDevice device(size());
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Qt::ScreenOrientation screenOrientation = QGuiApplication::primaryScreen()->primaryOrientation();
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Qt::ScreenOrientation appOrientation = orientation();
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QRect rect(0, 0, width(), height());
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QRect mapped = QScreen::mapBetween(appOrientation, screenOrientation, rect);
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QPainterPath path;
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path.addEllipse(mapped);
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QPainter painter(&device);
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painter.setTransform(QScreen::transformBetween(appOrientation, screenOrientation, rect));
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painter.fillRect(mapped, Qt::white);
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painter.setRenderHint(QPainter::Antialiasing);
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painter.fillPath(path, Qt::blue);
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QFont font;
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font.setPixelSize(64);
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painter.setFont(font);
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painter.drawText(mapped, Qt::AlignCenter, "Hello");
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painter.end();
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m_context->swapBuffers(this);
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}
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