diff options
Diffstat (limited to 'examples/widgets/painting/shared/arthurwidgets.cpp')
| -rw-r--r-- | examples/widgets/painting/shared/arthurwidgets.cpp | 131 |
1 files changed, 4 insertions, 127 deletions
diff --git a/examples/widgets/painting/shared/arthurwidgets.cpp b/examples/widgets/painting/shared/arthurwidgets.cpp index 61e73c4a60..4ff435783b 100644 --- a/examples/widgets/painting/shared/arthurwidgets.cpp +++ b/examples/widgets/painting/shared/arthurwidgets.cpp @@ -1,52 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the demonstration applications of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** 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. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause #include "arthurwidgets.h" #include <QApplication> @@ -61,11 +14,6 @@ #include <QBoxLayout> #include <QRegularExpression> #include <QOffscreenSurface> -#include <QOpenGLContext> -#if QT_CONFIG(opengl) -#include <QtOpenGL/QOpenGLPaintDevice> -#include <QtOpenGL/QOpenGLWindow> -#endif extern QPixmap cached(const QString &img); @@ -81,61 +29,13 @@ ArthurFrame::ArthurFrame(QWidget *parent) pt.end(); } - -#if QT_CONFIG(opengl) -void ArthurFrame::enableOpenGL(bool use_opengl) -{ - if (m_use_opengl == use_opengl) - return; - - m_use_opengl = use_opengl; - - if (!m_glWindow && use_opengl) { - createGlWindow(); - QApplication::postEvent(this, new QResizeEvent(size(), size())); - } - - if (use_opengl) { - m_glWidget->show(); - } else { - if (m_glWidget) - m_glWidget->hide(); - } - - update(); -} - -void ArthurFrame::createGlWindow() -{ - Q_ASSERT(m_use_opengl); - - m_glWindow = new QOpenGLWindow(); - QSurfaceFormat f = QSurfaceFormat::defaultFormat(); - f.setSamples(4); - f.setAlphaBufferSize(8); - f.setStencilBufferSize(8); - m_glWindow->setFormat(f); - m_glWindow->setFlags(Qt::WindowTransparentForInput); - m_glWindow->resize(width(), height()); - m_glWidget = QWidget::createWindowContainer(m_glWindow, this); - // create() must be called after createWindowContainer() otherwise - // an incorrect offsetting of the position will occur. - m_glWindow->create(); -} -#endif - - void ArthurFrame::paintEvent(QPaintEvent *e) { static QImage *static_image = nullptr; QPainter painter; - if (preferImage() -#if QT_CONFIG(opengl) - && !m_use_opengl -#endif - ) { + if (preferImage()) { if (!static_image || static_image->size() != size()) { delete static_image; static_image = new QImage(size(), QImage::Format_RGB32); @@ -150,18 +50,7 @@ void ArthurFrame::paintEvent(QPaintEvent *e) painter.fillRect(0, height() - o, o, o, bg); painter.fillRect(width() - o, height() - o, o, o, bg); } else { -#if QT_CONFIG(opengl) - if (m_use_opengl && m_glWindow->isValid()) { - m_glWindow->makeCurrent(); - - painter.begin(m_glWindow); - painter.fillRect(QRectF(0, 0, m_glWindow->width(), m_glWindow->height()), palette().color(backgroundRole())); - } else { - painter.begin(this); - } -#else painter.begin(this); -#endif } painter.setClipRect(e->rect()); @@ -205,27 +94,15 @@ void ArthurFrame::paintEvent(QPaintEvent *e) painter.setBrush(Qt::NoBrush); painter.drawPath(clipPath); - if (preferImage() -#if QT_CONFIG(opengl) - && !m_use_opengl -#endif - ) { + if (preferImage()) { painter.end(); painter.begin(this); painter.drawImage(e->rect(), *static_image, e->rect()); } -#if QT_CONFIG(opengl) - if (m_use_opengl) - m_glWindow->update(); -#endif } void ArthurFrame::resizeEvent(QResizeEvent *e) { -#if QT_CONFIG(opengl) - if (m_glWidget) - m_glWidget->setGeometry(0, 0, e->size().width(), e->size().height()); -#endif QWidget::resizeEvent(e); } |