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Diffstat (limited to 'examples/embedded/digiflip/digiflip.cpp')
| -rw-r--r-- | examples/embedded/digiflip/digiflip.cpp | 418 |
1 files changed, 0 insertions, 418 deletions
diff --git a/examples/embedded/digiflip/digiflip.cpp b/examples/embedded/digiflip/digiflip.cpp deleted file mode 100644 index 729337e5d1..0000000000 --- a/examples/embedded/digiflip/digiflip.cpp +++ /dev/null @@ -1,418 +0,0 @@ -/**************************************************************************** -** -** 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." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <QtCore> -#include <QtWidgets> - -class Digits: public QWidget -{ - Q_OBJECT - -public: - - enum { - Slide, - Flip, - Rotate - }; - - Digits(QWidget *parent) - : QWidget(parent) - , m_number(0) - , m_transition(Slide) - { - setAttribute(Qt::WA_OpaquePaintEvent, true); - setAttribute(Qt::WA_NoSystemBackground, true); - connect(&m_animator, SIGNAL(frameChanged(int)), SLOT(update())); - m_animator.setFrameRange(0, 100); - m_animator.setDuration(600); - m_animator.setEasingCurve(QEasingCurve::InOutSine); - } - - void setTransition(int tr) { - m_transition = tr; - } - - int transition() const { - return m_transition; - } - - void setNumber(int n) { - if (m_number != n) { - m_number = qBound(0, n, 99); - preparePixmap(); - update(); - } - } - - void flipTo(int n) { - if (m_number != n) { - m_number = qBound(0, n, 99); - m_lastPixmap = m_pixmap; - preparePixmap(); - m_animator.stop(); - m_animator.start(); - } - } - -protected: - - void drawFrame(QPainter *p, const QRect &rect) { - p->setPen(Qt::NoPen); - QLinearGradient gradient(rect.topLeft(), rect.bottomLeft()); - gradient.setColorAt(0.00, QColor(245, 245, 245)); - gradient.setColorAt(0.49, QColor(192, 192, 192)); - gradient.setColorAt(0.51, QColor(245, 245, 245)); - gradient.setColorAt(1.00, QColor(192, 192, 192)); - p->setBrush(gradient); - QRect r = rect; - p->drawRoundedRect(r, 15, 15, Qt::RelativeSize); - r.adjust(1, 4, -1, -4); - p->setPen(QColor(181, 181, 181)); - p->setBrush(Qt::NoBrush); - p->drawRoundedRect(r, 15, 15, Qt::RelativeSize); - p->setPen(QColor(159, 159, 159)); - int y = rect.top() + rect.height() / 2 - 1; - p->drawLine(rect.left(), y, rect.right(), y); - } - - QPixmap drawDigits(int n, const QRect &rect) { - - int scaleFactor = 2; - - QString str = QString::number(n); - if (str.length() == 1) - str.prepend('0'); - - QFont font; - font.setFamily("Helvetica"); - int fontHeight = scaleFactor * 0.55 * rect.height(); - font.setPixelSize(fontHeight); - font.setBold(true); - - QPixmap pixmap(rect.size() * scaleFactor); - pixmap.fill(Qt::transparent); - - QLinearGradient gradient(QPoint(0, 0), QPoint(0, pixmap.height())); - gradient.setColorAt(0.00, QColor(128, 128, 128)); - gradient.setColorAt(0.49, QColor(64, 64, 64)); - gradient.setColorAt(0.51, QColor(128, 128, 128)); - gradient.setColorAt(1.00, QColor(16, 16, 16)); - - QPainter p; - p.begin(&pixmap); - p.setFont(font); - QPen pen; - pen.setBrush(QBrush(gradient)); - p.setPen(pen); - p.drawText(pixmap.rect(), Qt::AlignCenter, str); - p.end(); - - return pixmap.scaledToWidth(width(), Qt::SmoothTransformation); - } - - void preparePixmap() { - m_pixmap = QPixmap(size()); - m_pixmap.fill(Qt::transparent); - QPainter p; - p.begin(&m_pixmap); - p.drawPixmap(0, 0, drawDigits(m_number, rect())); - p.end(); - } - - void resizeEvent(QResizeEvent*) { - preparePixmap(); - update(); - } - - void paintStatic() { - QPainter p(this); - p.fillRect(rect(), Qt::black); - - int pad = width() / 10; - drawFrame(&p, rect().adjusted(pad, pad, -pad, -pad)); - p.drawPixmap(0, 0, m_pixmap); - } - - void paintSlide() { - QPainter p(this); - p.fillRect(rect(), Qt::black); - - int pad = width() / 10; - QRect fr = rect().adjusted(pad, pad, -pad, -pad); - drawFrame(&p, fr); - p.setClipRect(fr); - - int y = height() * m_animator.currentFrame() / 100; - p.drawPixmap(0, y, m_lastPixmap); - p.drawPixmap(0, y - height(), m_pixmap); - } - - void paintFlip() { - QPainter p(this); - p.setRenderHint(QPainter::SmoothPixmapTransform, true); - p.setRenderHint(QPainter::Antialiasing, true); - p.fillRect(rect(), Qt::black); - - int hw = width() / 2; - int hh = height() / 2; - - // behind is the new pixmap - int pad = width() / 10; - QRect fr = rect().adjusted(pad, pad, -pad, -pad); - drawFrame(&p, fr); - p.drawPixmap(0, 0, m_pixmap); - - int index = m_animator.currentFrame(); - - if (index <= 50) { - - // the top part of the old pixmap is flipping - int angle = -180 * index / 100; - QTransform transform; - transform.translate(hw, hh); - transform.rotate(angle, Qt::XAxis); - p.setTransform(transform); - drawFrame(&p, fr.adjusted(-hw, -hh, -hw, -hh)); - p.drawPixmap(-hw, -hh, m_lastPixmap); - - // the bottom part is still the old pixmap - p.resetTransform(); - p.setClipRect(0, hh, width(), hh); - drawFrame(&p, fr); - p.drawPixmap(0, 0, m_lastPixmap); - } else { - - p.setClipRect(0, hh, width(), hh); - - // the bottom part is still the old pixmap - drawFrame(&p, fr); - p.drawPixmap(0, 0, m_lastPixmap); - - // the bottom part of the new pixmap is flipping - int angle = 180 - 180 * m_animator.currentFrame() / 100; - QTransform transform; - transform.translate(hw, hh); - transform.rotate(angle, Qt::XAxis); - p.setTransform(transform); - drawFrame(&p, fr.adjusted(-hw, -hh, -hw, -hh)); - p.drawPixmap(-hw, -hh, m_pixmap); - - } - - } - - void paintRotate() { - QPainter p(this); - - int pad = width() / 10; - QRect fr = rect().adjusted(pad, pad, -pad, -pad); - drawFrame(&p, fr); - p.setClipRect(fr); - - int angle1 = -180 * m_animator.currentFrame() / 100; - int angle2 = 180 - 180 * m_animator.currentFrame() / 100; - int angle = (m_animator.currentFrame() <= 50) ? angle1 : angle2; - QPixmap pix = (m_animator.currentFrame() <= 50) ? m_lastPixmap : m_pixmap; - - QTransform transform; - transform.translate(width() / 2, height() / 2); - transform.rotate(angle, Qt::XAxis); - - p.setTransform(transform); - p.setRenderHint(QPainter::SmoothPixmapTransform, true); - p.drawPixmap(-width() / 2, -height() / 2, pix); - } - - void paintEvent(QPaintEvent *event) { - Q_UNUSED(event); - if (m_animator.state() == QTimeLine::Running) { - if (m_transition == Slide) - paintSlide(); - if (m_transition == Flip) - paintFlip(); - if (m_transition == Rotate) - paintRotate(); - } else { - paintStatic(); - } - } - -private: - int m_number; - int m_transition; - QPixmap m_pixmap; - QPixmap m_lastPixmap; - QTimeLine m_animator; -}; - -class DigiFlip : public QMainWindow -{ - Q_OBJECT - -public: - DigiFlip(QWidget *parent = nullptr) - : QMainWindow(parent) - { - m_hour = new Digits(this); - m_hour->show(); - m_minute = new Digits(this); - m_minute->show(); - - QPalette pal = palette(); - pal.setColor(QPalette::Window, Qt::black); - setPalette(pal); - - m_ticker.start(1000, this); - QTime t = QTime::currentTime(); - m_hour->setNumber(t.hour()); - m_minute->setNumber(t.minute()); - updateTime(); - - QAction *slideAction = new QAction("&Slide", this); - QAction *flipAction = new QAction("&Flip", this); - QAction *rotateAction = new QAction("&Rotate", this); - connect(slideAction, SIGNAL(triggered()), SLOT(chooseSlide())); - connect(flipAction, SIGNAL(triggered()), SLOT(chooseFlip())); - connect(rotateAction, SIGNAL(triggered()), SLOT(chooseRotate())); - addAction(slideAction); - addAction(flipAction); - addAction(rotateAction); - setContextMenuPolicy(Qt::ActionsContextMenu); - } - - void updateTime() { - QTime t = QTime::currentTime(); - m_hour->flipTo(t.hour()); - m_minute->flipTo(t.minute()); - QString str = t.toString("hh:mm:ss"); - str.prepend(": "); - if (m_hour->transition() == Digits::Slide) - str.prepend("Slide"); - if (m_hour->transition() == Digits::Flip) - str.prepend("Flip"); - if (m_hour->transition() == Digits::Rotate) - str.prepend("Rotate"); - setWindowTitle(str); - } - - void switchTransition(int delta) { - int i = (m_hour->transition() + delta + 3) % 3; - m_hour->setTransition(i); - m_minute->setTransition(i); - updateTime(); - } - -protected: - void resizeEvent(QResizeEvent*) { - int digitsWidth = width() / 2; - int digitsHeight = digitsWidth * 1.2; - - int y = (height() - digitsHeight) / 3; - - m_hour->resize(digitsWidth, digitsHeight); - m_hour->move(0, y); - - m_minute->resize(digitsWidth, digitsHeight); - m_minute->move(width() / 2, y); - } - - void timerEvent(QTimerEvent*) { - updateTime(); - } - - void keyPressEvent(QKeyEvent *event) { - if (event->key() == Qt::Key_Right) { - switchTransition(1); - event->accept(); - } - if (event->key() == Qt::Key_Left) { - switchTransition(-1); - event->accept(); - } - } - -private slots: - void chooseSlide() { - m_hour->setTransition(0); - m_minute->setTransition(0); - updateTime(); - } - - void chooseFlip() { - m_hour->setTransition(1); - m_minute->setTransition(1); - updateTime(); - } - - void chooseRotate() { - m_hour->setTransition(2); - m_minute->setTransition(2); - updateTime(); - } - -private: - QBasicTimer m_ticker; - Digits *m_hour; - Digits *m_minute; -}; - -#include "digiflip.moc" - -int main(int argc, char *argv[]) -{ - QApplication app(argc, argv); - - DigiFlip time; - time.resize(320, 240); - time.show(); - - return app.exec(); -} |