From f39f813113d71ec7acb0ae99f6ee1ee64e76935c Mon Sep 17 00:00:00 2001 From: Nico Vertriest Date: Tue, 24 Oct 2017 15:22:23 +0200 Subject: Doc: drop Lighting Effect Example Task-number: QTBUG-60635 Change-Id: If455a778ff6ebd53d8110b3dc25d8b9e27255bac Reviewed-by: Frederik Gladhorn Reviewed-by: Nico Vertriest --- examples/widgets/effects/effects.pro | 1 - examples/widgets/effects/lighting/lighting.cpp | 145 ------------------------- examples/widgets/effects/lighting/lighting.h | 80 -------------- examples/widgets/effects/lighting/lighting.pro | 8 -- examples/widgets/effects/lighting/main.cpp | 65 ----------- 5 files changed, 299 deletions(-) delete mode 100644 examples/widgets/effects/lighting/lighting.cpp delete mode 100644 examples/widgets/effects/lighting/lighting.h delete mode 100644 examples/widgets/effects/lighting/lighting.pro delete mode 100644 examples/widgets/effects/lighting/main.cpp (limited to 'examples/widgets/effects') diff --git a/examples/widgets/effects/effects.pro b/examples/widgets/effects/effects.pro index 795e0508ac..05911979b9 100644 --- a/examples/widgets/effects/effects.pro +++ b/examples/widgets/effects/effects.pro @@ -2,5 +2,4 @@ TEMPLATE = \ subdirs SUBDIRS = \ blurpicker \ - lighting \ fademessage diff --git a/examples/widgets/effects/lighting/lighting.cpp b/examples/widgets/effects/lighting/lighting.cpp deleted file mode 100644 index 1ba7dd9ce7..0000000000 --- a/examples/widgets/effects/lighting/lighting.cpp +++ /dev/null @@ -1,145 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the examples 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 "lighting.h" -#include -#include - -Lighting::Lighting(QWidget *parent): QGraphicsView(parent), angle(0.0) -{ - setScene(&m_scene); - - setupScene(); - - QTimer *timer = new QTimer(this); - connect(timer, SIGNAL(timeout()), SLOT(animate())); - timer->setInterval(30); - timer->start(); - - setRenderHint(QPainter::Antialiasing, true); - setFrameStyle(QFrame::NoFrame); -} - -void Lighting::setupScene() -{ - m_scene.setSceneRect(-300, -200, 600, 460); - - QLinearGradient linearGrad(QPointF(-100, -100), QPointF(100, 100)); - linearGrad.setColorAt(0, QColor(255, 255, 255)); - linearGrad.setColorAt(1, QColor(192, 192, 255)); - setBackgroundBrush(linearGrad); - - QRadialGradient radialGrad(30, 30, 30); - radialGrad.setColorAt(0, Qt::yellow); - radialGrad.setColorAt(0.2, Qt::yellow); - radialGrad.setColorAt(1, Qt::transparent); - QPixmap pixmap(60, 60); - pixmap.fill(Qt::transparent); - QPainter painter(&pixmap); - painter.setPen(Qt::NoPen); - painter.setBrush(radialGrad); - painter.drawEllipse(0, 0, 60, 60); - painter.end(); - - m_lightSource = m_scene.addPixmap(pixmap); - m_lightSource->setZValue(2); - - for (int i = -2; i < 3; ++i) - for (int j = -2; j < 3; ++j) { - QAbstractGraphicsShapeItem *item; - if ((i + j) & 1) - item = new QGraphicsEllipseItem(0, 0, 50, 50); - else - item = new QGraphicsRectItem(0, 0, 50, 50); - - item->setPen(QPen(Qt::black, 1)); - item->setBrush(QBrush(Qt::white)); - QGraphicsDropShadowEffect *effect = new QGraphicsDropShadowEffect; - effect->setBlurRadius(8); - item->setGraphicsEffect(effect); - item->setZValue(1); - item->setPos(i * 80, j * 80); - m_scene.addItem(item); - m_items << item; - } - - -} - -void Lighting::animate() -{ - angle += qDegreesToRadians(qreal(6)); - qreal xs = 200 * qSin(angle) - 40 + 25; - qreal ys = 200 * qCos(angle) - 40 + 25; - m_lightSource->setPos(xs, ys); - - for (int i = 0; i < m_items.size(); ++i) { - QGraphicsItem *item = m_items.at(i); - Q_ASSERT(item); - QGraphicsDropShadowEffect *effect = static_cast(item->graphicsEffect()); - Q_ASSERT(effect); - - QPointF delta(item->x() - xs, item->y() - ys); - effect->setOffset(delta.toPoint() / 30); - - qreal dx = delta.x(); - qreal dy = delta.y(); - qreal dd = qSqrt(dx * dx + dy * dy); - QColor color = effect->color(); - color.setAlphaF(qBound(0.4, 1 - dd / 200.0, 0.7)); - effect->setColor(color); - } - - m_scene.update(); -} - -void Lighting::resizeEvent(QResizeEvent * /* event */) -{ -} diff --git a/examples/widgets/effects/lighting/lighting.h b/examples/widgets/effects/lighting/lighting.h deleted file mode 100644 index 615824d46f..0000000000 --- a/examples/widgets/effects/lighting/lighting.h +++ /dev/null @@ -1,80 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the examples 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." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef LIGHTING_H -#define LIGHTING_H - -#include -#include - -class Lighting: public QGraphicsView -{ - Q_OBJECT - -public: - Lighting(QWidget *parent = 0); - -private slots: - void animate(); - -private: - void setupScene(); - -protected: - void resizeEvent(QResizeEvent *event) override; - -private: - qreal angle; - QGraphicsScene m_scene; - QGraphicsItem *m_lightSource; - QList m_items; -}; - -#endif // LIGHTING_H diff --git a/examples/widgets/effects/lighting/lighting.pro b/examples/widgets/effects/lighting/lighting.pro deleted file mode 100644 index 0a3b397de5..0000000000 --- a/examples/widgets/effects/lighting/lighting.pro +++ /dev/null @@ -1,8 +0,0 @@ -QT += widgets - -SOURCES += main.cpp lighting.cpp -HEADERS += lighting.h - -# install -target.path = $$[QT_INSTALL_EXAMPLES]/widgets/effects/lighting -INSTALLS += target diff --git a/examples/widgets/effects/lighting/main.cpp b/examples/widgets/effects/lighting/main.cpp deleted file mode 100644 index 22e55c0985..0000000000 --- a/examples/widgets/effects/lighting/main.cpp +++ /dev/null @@ -1,65 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the examples 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 "lighting.h" -#include - -int main(int argc, char **argv) -{ - QApplication app(argc, argv); - - Lighting lighting; - lighting.setWindowTitle(QT_TRANSLATE_NOOP(QGraphicsView, "Lighting and Shadows")); - - lighting.resize(640, 480); - lighting.show(); - - return app.exec(); -} -- cgit v1.2.3