diff options
Diffstat (limited to 'examples/effects/blurpicker')
17 files changed, 427 insertions, 0 deletions
diff --git a/examples/effects/blurpicker/blureffect.cpp b/examples/effects/blurpicker/blureffect.cpp new file mode 100644 index 0000000000..10410f4669 --- /dev/null +++ b/examples/effects/blurpicker/blureffect.cpp @@ -0,0 +1,68 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Nokia Corporation and its Subsidiary(-ies) 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 "blureffect.h" + +#include <QDebug> + +BlurEffect::BlurEffect(QGraphicsItem *item) + : QGraphicsBlurEffect() + , m_baseLine(200), item(item) +{ +} + +void BlurEffect::adjustForItem() +{ + qreal y = m_baseLine - item->pos().y(); + qreal radius = qBound(qreal(0.0), y / 32, qreal(16.0)); + setBlurRadius(radius); +} + +QRectF BlurEffect::boundingRect() const +{ + const_cast<BlurEffect *>(this)->adjustForItem(); + return QGraphicsBlurEffect::boundingRect(); +} + +void BlurEffect::draw(QPainter *painter) +{ + adjustForItem(); + QGraphicsBlurEffect::draw(painter); +} diff --git a/examples/effects/blurpicker/blureffect.h b/examples/effects/blurpicker/blureffect.h new file mode 100644 index 0000000000..f981b0f4db --- /dev/null +++ b/examples/effects/blurpicker/blureffect.h @@ -0,0 +1,66 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Nokia Corporation and its Subsidiary(-ies) 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." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef BLUREFFECT_H +#define BLUREFFECT_H + +#include <QGraphicsEffect> +#include <QGraphicsItem> + +class BlurEffect: public QGraphicsBlurEffect +{ +public: + BlurEffect(QGraphicsItem *item); + + void setBaseLine(qreal y) { m_baseLine = y; } + + QRectF boundingRect() const; + + void draw(QPainter *painter); + +private: + void adjustForItem(); + +private: + qreal m_baseLine; + QGraphicsItem *item; +}; + +#endif // BLUREFFECT_H diff --git a/examples/effects/blurpicker/blurpicker.cpp b/examples/effects/blurpicker/blurpicker.cpp new file mode 100644 index 0000000000..26e53aafae --- /dev/null +++ b/examples/effects/blurpicker/blurpicker.cpp @@ -0,0 +1,138 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Nokia Corporation and its Subsidiary(-ies) 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 "blurpicker.h" + +#include <QtGui> + +#include "blureffect.h" + +#ifndef M_PI +#define M_PI 3.14159265358979323846 +#endif + +BlurPicker::BlurPicker(QWidget *parent): QGraphicsView(parent), m_index(0.0), m_animation(this, "index") +{ + setBackgroundBrush(QPixmap(":/images/background.jpg")); + setScene(new QGraphicsScene(this)); + + setupScene(); + setIndex(0); + + m_animation.setDuration(400); + m_animation.setEasingCurve(QEasingCurve::InOutSine); + + setRenderHint(QPainter::Antialiasing, true); + setFrameStyle(QFrame::NoFrame); +} + +qreal BlurPicker::index() const +{ + return m_index; +} + +void BlurPicker::setIndex(qreal index) +{ + m_index = index; + + qreal baseline = 0; + for (int i = 0; i < m_icons.count(); ++i) { + QGraphicsItem *icon = m_icons[i]; + qreal a = ((i + m_index) * 2 * M_PI) / m_icons.count(); + qreal xs = 170 * sin(a); + qreal ys = 100 * cos(a); + QPointF pos(xs, ys); + pos = QTransform().rotate(-20).map(pos); + pos -= QPointF(40, 40); + icon->setPos(pos); + baseline = qMax(baseline, ys); + static_cast<BlurEffect *>(icon->graphicsEffect())->setBaseLine(baseline); + } + + scene()->update(); +} + +void BlurPicker::setupScene() +{ + scene()->setSceneRect(-200, -120, 400, 240); + + QStringList names; + names << ":/images/accessories-calculator.png"; + names << ":/images/accessories-text-editor.png"; + names << ":/images/help-browser.png"; + names << ":/images/internet-group-chat.png"; + names << ":/images/internet-mail.png"; + names << ":/images/internet-web-browser.png"; + names << ":/images/office-calendar.png"; + names << ":/images/system-users.png"; + + for (int i = 0; i < names.count(); i++) { + QPixmap pixmap(names[i]); + QGraphicsPixmapItem *icon = scene()->addPixmap(pixmap); + icon->setZValue(1); + icon->setGraphicsEffect(new BlurEffect(icon)); + m_icons << icon; + } + + QGraphicsPixmapItem *bg = scene()->addPixmap(QPixmap(":/images/background.jpg")); + bg->setZValue(0); + bg->setPos(-200, -150); +} + +void BlurPicker::keyPressEvent(QKeyEvent *event) +{ + int delta = 0; + switch (event->key()) + { + case Qt::Key_Left: + delta = -1; + break; + case Qt::Key_Right: + delta = 1; + break; + default: + break; + } + if (m_animation.state() == QAbstractAnimation::Stopped && delta) { + m_animation.setEndValue(m_index + delta); + m_animation.start(); + event->accept(); + } +} diff --git a/examples/effects/blurpicker/blurpicker.h b/examples/effects/blurpicker/blurpicker.h new file mode 100644 index 0000000000..fa5743c70a --- /dev/null +++ b/examples/effects/blurpicker/blurpicker.h @@ -0,0 +1,73 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Nokia Corporation and its Subsidiary(-ies) 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." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef BLURPICKER_H +#define BLURPICKER_H + +#include <QGraphicsEffect> +#include <QGraphicsView> +#include <QPropertyAnimation> + +#include "blureffect.h" + +class BlurPicker: public QGraphicsView +{ + Q_OBJECT + Q_PROPERTY(qreal index READ index WRITE setIndex) + +public: + BlurPicker(QWidget *parent = 0); + + qreal index() const; + void setIndex(qreal); + +protected: + void keyPressEvent(QKeyEvent *event); + +private: + void setupScene(); + +private: + qreal m_index; + QList<QGraphicsItem*> m_icons; + QPropertyAnimation m_animation; +}; + +#endif // BLURPICKER_H diff --git a/examples/effects/blurpicker/blurpicker.pro b/examples/effects/blurpicker/blurpicker.pro new file mode 100644 index 0000000000..ba65da8a5c --- /dev/null +++ b/examples/effects/blurpicker/blurpicker.pro @@ -0,0 +1,9 @@ +SOURCES += main.cpp blurpicker.cpp blureffect.cpp +HEADERS += blurpicker.h blureffect.h +RESOURCES += blurpicker.qrc + +# install +target.path = $$[QT_INSTALL_EXAMPLES]/qtbase/effects/blurpicker +sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS blurpicker.pro +sources.path = $$[QT_INSTALL_EXAMPLES]/qtbase/effects/blurpicker +INSTALLS += target sources diff --git a/examples/effects/blurpicker/blurpicker.qrc b/examples/effects/blurpicker/blurpicker.qrc new file mode 100644 index 0000000000..e88eaca966 --- /dev/null +++ b/examples/effects/blurpicker/blurpicker.qrc @@ -0,0 +1,14 @@ +<RCC> + <qresource prefix="/" > + <file>images/background.jpg</file> + <file>images/accessories-calculator.png</file> + <file>images/accessories-text-editor.png</file> + <file>images/help-browser.png</file> + <file>images/internet-group-chat.png</file> + <file>images/internet-mail.png</file> + <file>images/internet-web-browser.png</file> + <file>images/office-calendar.png</file> + <file>images/system-users.png</file> + </qresource> +</RCC> + diff --git a/examples/effects/blurpicker/images/README.txt b/examples/effects/blurpicker/images/README.txt new file mode 100644 index 0000000000..0927e177d2 --- /dev/null +++ b/examples/effects/blurpicker/images/README.txt @@ -0,0 +1,5 @@ +The background is taken from a public domain photo at: +http://www.photos8.com/view/computer_board2-800x600.html + +All other icons are from the Tango Desktop project: +http://tango.freedesktop.org/Tango_Desktop_Project diff --git a/examples/effects/blurpicker/images/accessories-calculator.png b/examples/effects/blurpicker/images/accessories-calculator.png Binary files differnew file mode 100644 index 0000000000..4e7661f65c --- /dev/null +++ b/examples/effects/blurpicker/images/accessories-calculator.png diff --git a/examples/effects/blurpicker/images/accessories-text-editor.png b/examples/effects/blurpicker/images/accessories-text-editor.png Binary files differnew file mode 100644 index 0000000000..33bef0bc17 --- /dev/null +++ b/examples/effects/blurpicker/images/accessories-text-editor.png diff --git a/examples/effects/blurpicker/images/background.jpg b/examples/effects/blurpicker/images/background.jpg Binary files differnew file mode 100644 index 0000000000..e75b38899d --- /dev/null +++ b/examples/effects/blurpicker/images/background.jpg diff --git a/examples/effects/blurpicker/images/help-browser.png b/examples/effects/blurpicker/images/help-browser.png Binary files differnew file mode 100644 index 0000000000..8ef4fae91b --- /dev/null +++ b/examples/effects/blurpicker/images/help-browser.png diff --git a/examples/effects/blurpicker/images/internet-group-chat.png b/examples/effects/blurpicker/images/internet-group-chat.png Binary files differnew file mode 100644 index 0000000000..dd92d93947 --- /dev/null +++ b/examples/effects/blurpicker/images/internet-group-chat.png diff --git a/examples/effects/blurpicker/images/internet-mail.png b/examples/effects/blurpicker/images/internet-mail.png Binary files differnew file mode 100644 index 0000000000..7e6b93be83 --- /dev/null +++ b/examples/effects/blurpicker/images/internet-mail.png diff --git a/examples/effects/blurpicker/images/internet-web-browser.png b/examples/effects/blurpicker/images/internet-web-browser.png Binary files differnew file mode 100644 index 0000000000..a979a92b4f --- /dev/null +++ b/examples/effects/blurpicker/images/internet-web-browser.png diff --git a/examples/effects/blurpicker/images/office-calendar.png b/examples/effects/blurpicker/images/office-calendar.png Binary files differnew file mode 100644 index 0000000000..e09590682b --- /dev/null +++ b/examples/effects/blurpicker/images/office-calendar.png diff --git a/examples/effects/blurpicker/images/system-users.png b/examples/effects/blurpicker/images/system-users.png Binary files differnew file mode 100644 index 0000000000..a7f630a5bd --- /dev/null +++ b/examples/effects/blurpicker/images/system-users.png diff --git a/examples/effects/blurpicker/main.cpp b/examples/effects/blurpicker/main.cpp new file mode 100644 index 0000000000..e95b7e0239 --- /dev/null +++ b/examples/effects/blurpicker/main.cpp @@ -0,0 +1,54 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Nokia Corporation and its Subsidiary(-ies) 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 "blurpicker.h" +#include <QApplication> + +int main(int argc, char **argv) +{ + QApplication app(argc, argv); + + BlurPicker blurPicker; + blurPicker.setWindowTitle(QT_TRANSLATE_NOOP(QGraphicsView, "Application Picker")); + blurPicker.setFixedSize(400, 300); + blurPicker.show(); + + return app.exec(); +} |
