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Diffstat (limited to 'examples/effects/customshader/blurpicker.cpp')
-rw-r--r-- | examples/effects/customshader/blurpicker.cpp | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/examples/effects/customshader/blurpicker.cpp b/examples/effects/customshader/blurpicker.cpp deleted file mode 100644 index d38d99b..0000000 --- a/examples/effects/customshader/blurpicker.cpp +++ /dev/null @@ -1,144 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 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. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the Technology Preview License Agreement accompanying -** this package. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** If you have questions regarding the use of this file, please contact -** Nokia at qt-info@nokia.com. -** -** -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "blurpicker.h" - -#include <QtGui> - -#include "blureffect.h" -#include "customshadereffect.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); - if (i != 3) - 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); - if (i == 3) - icon->setGraphicsEffect(new CustomShaderEffect()); - else - 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(); - } -} |