diff options
Diffstat (limited to 'examples/opengl/paintedwindow')
-rw-r--r-- | examples/opengl/paintedwindow/CMakeLists.txt | 34 | ||||
-rw-r--r-- | examples/opengl/paintedwindow/main.cpp | 18 | ||||
-rw-r--r-- | examples/opengl/paintedwindow/paintedwindow.cpp | 185 | ||||
-rw-r--r-- | examples/opengl/paintedwindow/paintedwindow.h | 57 | ||||
-rw-r--r-- | examples/opengl/paintedwindow/paintedwindow.pro | 8 |
5 files changed, 0 insertions, 302 deletions
diff --git a/examples/opengl/paintedwindow/CMakeLists.txt b/examples/opengl/paintedwindow/CMakeLists.txt deleted file mode 100644 index f8805eb1dc..0000000000 --- a/examples/opengl/paintedwindow/CMakeLists.txt +++ /dev/null @@ -1,34 +0,0 @@ -cmake_minimum_required(VERSION 3.16) -project(paintedwindow LANGUAGES CXX) - -set(CMAKE_AUTOMOC ON) - -if(NOT DEFINED INSTALL_EXAMPLESDIR) - set(INSTALL_EXAMPLESDIR "examples") -endif() - -set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/opengl/paintedwindow") - -find_package(Qt6 REQUIRED COMPONENTS Core Gui OpenGL) - -qt_add_executable(paintedwindow - main.cpp - paintedwindow.cpp paintedwindow.h -) - -set_target_properties(paintedwindow PROPERTIES - WIN32_EXECUTABLE TRUE - MACOSX_BUNDLE TRUE -) - -target_link_libraries(paintedwindow PUBLIC - Qt::Core - Qt::Gui - Qt::OpenGL -) - -install(TARGETS paintedwindow - RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}" - BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}" - LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}" -) diff --git a/examples/opengl/paintedwindow/main.cpp b/examples/opengl/paintedwindow/main.cpp deleted file mode 100644 index e055e92812..0000000000 --- a/examples/opengl/paintedwindow/main.cpp +++ /dev/null @@ -1,18 +0,0 @@ -// Copyright (C) 2016 The Qt Company Ltd. -// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause - -#include <QGuiApplication> -#include <QRect> - -#include "paintedwindow.h" - -int main(int argc, char **argv) -{ - QGuiApplication app(argc, argv); - - PaintedWindow window; - window.show(); - - return app.exec(); -} - diff --git a/examples/opengl/paintedwindow/paintedwindow.cpp b/examples/opengl/paintedwindow/paintedwindow.cpp deleted file mode 100644 index d0b8284157..0000000000 --- a/examples/opengl/paintedwindow/paintedwindow.cpp +++ /dev/null @@ -1,185 +0,0 @@ -// Copyright (C) 2016 The Qt Company Ltd. -// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause - -#include "paintedwindow.h" - -#include <QGuiApplication> -#include <QOpenGLContext> -#include <QOpenGLPaintDevice> -#include <QPainter> -#include <QPainterPath> -#include <QScreen> -#include <QTimer> - -#include <qmath.h> - -PaintedWindow::PaintedWindow() -{ - QSurfaceFormat format; - format.setStencilBufferSize(8); - format.setSamples(4); - - setSurfaceType(QWindow::OpenGLSurface); - setFlags(Qt::Window | Qt::WindowTitleHint | Qt::WindowSystemMenuHint | Qt::WindowMinMaxButtonsHint | Qt::WindowCloseButtonHint); - setFormat(format); - - create(); - - m_context = new QOpenGLContext(this); - m_context->setFormat(format); - m_context->create(); - - m_animation = new QPropertyAnimation(this, "rotation"); - m_animation->setStartValue(qreal(0)); - m_animation->setEndValue(qreal(1)); - m_animation->setDuration(500); - - QRect screenGeometry = screen()->availableGeometry(); - - QPoint center = screenGeometry.center(); - QRect windowRect = screen()->isLandscape(screen()->orientation()) ? QRect(0, 0, 640, 480) : QRect(0, 0, 480, 640); - setGeometry(QRect(center - windowRect.center(), windowRect.size())); - - m_rotation = 0; - - reportContentOrientationChange(screen()->orientation()); - - m_targetOrientation = contentOrientation(); - m_nextTargetOrientation = Qt::PrimaryOrientation; - - connect(screen(), &QScreen::orientationChanged, this, &PaintedWindow::orientationChanged); - connect(m_animation, &QAbstractAnimation::finished, this, &PaintedWindow::rotationDone); - connect(this, &PaintedWindow::rotationChanged, this, QOverload<>::of(&PaintedWindow::paint)); -} - -void PaintedWindow::exposeEvent(QExposeEvent *) -{ - if (isExposed()) - paint(); -} - -void PaintedWindow::mousePressEvent(QMouseEvent *) -{ - Qt::ScreenOrientation o = contentOrientation(); - switch (o) { - case Qt::LandscapeOrientation: - orientationChanged(Qt::PortraitOrientation); - break; - case Qt::PortraitOrientation: - orientationChanged(Qt::InvertedLandscapeOrientation); - break; - case Qt::InvertedLandscapeOrientation: - orientationChanged(Qt::InvertedPortraitOrientation); - break; - case Qt::InvertedPortraitOrientation: - orientationChanged(Qt::LandscapeOrientation); - break; - default: - Q_ASSERT(false); - } - - paint(); -} - -void PaintedWindow::orientationChanged(Qt::ScreenOrientation newOrientation) -{ - if (contentOrientation() == newOrientation) - return; - - if (m_animation->state() == QAbstractAnimation::Running) { - m_nextTargetOrientation = newOrientation; - return; - } - - QRect rect(0, 0, width(), height()); - - m_prevImage = QImage(width(), height(), QImage::Format_ARGB32_Premultiplied); - m_nextImage = QImage(width(), height(), QImage::Format_ARGB32_Premultiplied); - m_prevImage.fill(0); - m_nextImage.fill(0); - - QPainter p; - p.begin(&m_prevImage); - p.setTransform(screen()->transformBetween(contentOrientation(), screen()->orientation(), rect)); - paint(&p, screen()->mapBetween(contentOrientation(), screen()->orientation(), rect)); - p.end(); - - p.begin(&m_nextImage); - p.setTransform(screen()->transformBetween(newOrientation, screen()->orientation(), rect)); - paint(&p, screen()->mapBetween(newOrientation, screen()->orientation(), rect)); - p.end(); - - m_deltaRotation = screen()->angleBetween(newOrientation, contentOrientation()); - if (m_deltaRotation > 180) - m_deltaRotation = 180 - m_deltaRotation; - - m_targetOrientation = newOrientation; - m_animation->start(); -} - -void PaintedWindow::rotationDone() -{ - reportContentOrientationChange(m_targetOrientation); - if (m_nextTargetOrientation != Qt::PrimaryOrientation) { - Q_ASSERT(m_animation->state() != QAbstractAnimation::Running); - orientationChanged(m_nextTargetOrientation); - m_nextTargetOrientation = Qt::PrimaryOrientation; - } -} - -void PaintedWindow::setRotation(qreal r) -{ - if (r != m_rotation) { - m_rotation = r; - emit rotationChanged(r); - } -} - -void PaintedWindow::paint() -{ - m_context->makeCurrent(this); - - QRect rect(0, 0, width() * devicePixelRatio(), height() * devicePixelRatio()); - - QOpenGLPaintDevice device(size() * devicePixelRatio()); - QPainter painter(&device); - - QPainterPath path; - path.addEllipse(rect); - painter.setCompositionMode(QPainter::CompositionMode_Source); - painter.fillRect(rect, Qt::transparent); - painter.setCompositionMode(QPainter::CompositionMode_SourceOver); - painter.fillPath(path, Qt::blue); - - if (contentOrientation() != m_targetOrientation) { - painter.setRenderHint(QPainter::SmoothPixmapTransform); - painter.save(); - painter.translate(width() / 2, height() / 2); - painter.rotate(m_deltaRotation * m_rotation); - painter.translate(-width() / 2, -height() / 2); - painter.drawImage(0, 0, m_prevImage); - painter.restore(); - painter.translate(width() / 2, height() / 2); - painter.rotate(m_deltaRotation * m_rotation - m_deltaRotation); - painter.translate(-width() / 2, -height() / 2); - painter.setOpacity(m_rotation); - painter.drawImage(0, 0, m_nextImage); - } else { - QRect mapped = screen()->mapBetween(contentOrientation(), screen()->orientation(), rect); - - painter.setTransform(screen()->transformBetween(contentOrientation(), screen()->orientation(), rect)); - paint(&painter, mapped); - painter.end(); - } - - m_context->swapBuffers(this); -} - -void PaintedWindow::paint(QPainter *painter, const QRect &rect) -{ - painter->setRenderHint(QPainter::Antialiasing); - QFont font; - font.setPixelSize(64); - painter->setFont(font); - painter->drawText(rect, Qt::AlignCenter, "Hello"); -} diff --git a/examples/opengl/paintedwindow/paintedwindow.h b/examples/opengl/paintedwindow/paintedwindow.h deleted file mode 100644 index 3fa781bf2c..0000000000 --- a/examples/opengl/paintedwindow/paintedwindow.h +++ /dev/null @@ -1,57 +0,0 @@ -// Copyright (C) 2016 The Qt Company Ltd. -// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause - -#include <QWindow> - -#include <QtGui/qopengl.h> -#include <QtOpenGL/qopenglshaderprogram.h> -#include <QtOpenGL/qopenglframebufferobject.h> - -#include <QPropertyAnimation> - -#include <QColor> -#include <QImage> -#include <QTime> - -QT_BEGIN_NAMESPACE -class QOpenGLContext; -QT_END_NAMESPACE - -class PaintedWindow : public QWindow -{ - Q_OBJECT - Q_PROPERTY(qreal rotation READ rotation WRITE setRotation NOTIFY rotationChanged) - -public: - PaintedWindow(); - - qreal rotation() const { return m_rotation; } - -signals: - void rotationChanged(qreal rotation); - -private slots: - void paint(); - void setRotation(qreal r); - void orientationChanged(Qt::ScreenOrientation newOrientation); - void rotationDone(); - -private: - void exposeEvent(QExposeEvent *) override; - void mousePressEvent(QMouseEvent *) override; - - void paint(QPainter *painter, const QRect &rect); - - QOpenGLContext *m_context; - qreal m_rotation; - - QImage m_prevImage; - QImage m_nextImage; - qreal m_deltaRotation; - - Qt::ScreenOrientation m_targetOrientation; - Qt::ScreenOrientation m_nextTargetOrientation; - - QPropertyAnimation *m_animation; - QTimer *m_paintTimer; -}; diff --git a/examples/opengl/paintedwindow/paintedwindow.pro b/examples/opengl/paintedwindow/paintedwindow.pro deleted file mode 100644 index 569eebe674..0000000000 --- a/examples/opengl/paintedwindow/paintedwindow.pro +++ /dev/null @@ -1,8 +0,0 @@ -QT += opengl - -HEADERS += paintedwindow.h -SOURCES += paintedwindow.cpp main.cpp - -# install -target.path = $$[QT_INSTALL_EXAMPLES]/opengl/paintedwindow -INSTALLS += target |