Remove examples/effects/customshader which uses private API

Commit 3f109fd85cbdc49dc3ef1c14066073079f4e34bf made
QGraphicsShaderEffect private API, however the example showing how to
use it was kept. This patch just removes that example.

Reviewed-by: Samuel

19 files changed, 0 insertions, 572 deletions

diff --git a/examples/effects/customshader/blureffect.cpp b/examples/effects/customshader/blureffect.cpp
deleted file mode 100644
index 956637d..0000000
--- a/examples/effects/customshader/blureffect.cpp
+++ /dev/null
@@ -1,69 +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 "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/customshader/blureffect.h b/examples/effects/customshader/blureffect.h
deleted file mode 100644
index 3d1d433..0000000
--- a/examples/effects/customshader/blureffect.h
+++ /dev/null
@@ -1,67 +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.
-**
-**
-**
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#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/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();
-    }
-}
diff --git a/examples/effects/customshader/blurpicker.h b/examples/effects/customshader/blurpicker.h
deleted file mode 100644
index b302db4..0000000
--- a/examples/effects/customshader/blurpicker.h
+++ /dev/null
@@ -1,74 +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.
-**
-**
-**
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#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/customshader/blurpicker.qrc b/examples/effects/customshader/blurpicker.qrc
deleted file mode 100644
index e88eaca..0000000
--- a/examples/effects/customshader/blurpicker.qrc
+++ /dev/null
@@ -1,14 +0,0 @@
-<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/customshader/customshader.pro b/examples/effects/customshader/customshader.pro
deleted file mode 100644
index 4ce5d2b..0000000
--- a/examples/effects/customshader/customshader.pro
+++ /dev/null
@@ -1,10 +0,0 @@
-SOURCES += main.cpp blurpicker.cpp blureffect.cpp customshadereffect.cpp
-HEADERS += blurpicker.h blureffect.h customshadereffect.h
-RESOURCES += blurpicker.qrc
-QT += opengl
-
-# install
-target.path = $$[QT_INSTALL_EXAMPLES]/effects/customshader
-sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS customshader.pro
-sources.path = $$[QT_INSTALL_EXAMPLES]/effects/customshader
-INSTALLS += target sources
diff --git a/examples/effects/customshader/customshadereffect.cpp b/examples/effects/customshader/customshadereffect.cpp
deleted file mode 100644
index 73bbf4f..0000000
--- a/examples/effects/customshader/customshadereffect.cpp
+++ /dev/null
@@ -1,70 +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 "customshadereffect.h"
-#include <QGLShaderProgram>
-
-static char const colorizeShaderCode[] =
-    "uniform lowp vec4 effectColor;\n"
-    "mediump vec4 customShader(lowp sampler2D imageTexture, highp vec2 textureCoords) {\n"
-    "    vec4 src = texture2D(imageTexture, textureCoords);\n"
-    "    float gray = dot(src.rgb, vec3(0.212671, 0.715160, 0.072169));\n"
-    "    vec4 colorize = 1.0-((1.0-gray)*(1.0-effectColor));\n"
-    "    return vec4(colorize.rgb * src.a, src.a);\n"
-    "}";
-
-CustomShaderEffect::CustomShaderEffect()
-    : QGraphicsShaderEffect(),
-      color(Qt::red)
-{
-    setPixelShaderFragment(colorizeShaderCode);
-}
-
-void CustomShaderEffect::setEffectColor(const QColor& c)
-{
-    color = c;
-    setUniformsDirty();
-}
-
-void CustomShaderEffect::setUniforms(QGLShaderProgram *program)
-{
-    program->setUniformValue("effectColor", color);
-}
diff --git a/examples/effects/customshader/customshadereffect.h b/examples/effects/customshader/customshadereffect.h
deleted file mode 100644
index 48940db..0000000
--- a/examples/effects/customshader/customshadereffect.h
+++ /dev/null
@@ -1,64 +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.
-**
-**
-**
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef CUSTOMSHADEREFFECT_H
-#define CUSTOMSHADEREFFECT_H
-
-#include <QGraphicsEffect>
-#include <QtOpenGL/private/qgraphicsshadereffect_p.h>
-#include <QGraphicsItem>
-
-class CustomShaderEffect: public QGraphicsShaderEffect
-{
-public:
-    CustomShaderEffect();
-
-    QColor effectColor() const { return color; }
-    void setEffectColor(const QColor& c);
-
-protected:
-    void setUniforms(QGLShaderProgram *program);
-
-private:
-    QColor color;
-};
-
-#endif // CUSTOMSHADEREFFECT_H
diff --git a/examples/effects/customshader/images/README.txt b/examples/effects/customshader/images/README.txt
deleted file mode 100644
index 0927e17..0000000
--- a/examples/effects/customshader/images/README.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-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/customshader/images/accessories-calculator.png b/examples/effects/customshader/images/accessories-calculator.png
deleted file mode 100644
index 4e7661f..0000000
--- a/examples/effects/customshader/images/accessories-calculator.png
+++ /dev/null
diff --git a/examples/effects/customshader/images/accessories-text-editor.png b/examples/effects/customshader/images/accessories-text-editor.png
deleted file mode 100644
index 33bef0b..0000000
--- a/examples/effects/customshader/images/accessories-text-editor.png
+++ /dev/null
diff --git a/examples/effects/customshader/images/background.jpg b/examples/effects/customshader/images/background.jpg
deleted file mode 100644
index e75b388..0000000
--- a/examples/effects/customshader/images/background.jpg
+++ /dev/null
diff --git a/examples/effects/customshader/images/help-browser.png b/examples/effects/customshader/images/help-browser.png
deleted file mode 100644
index 8ef4fae..0000000
--- a/examples/effects/customshader/images/help-browser.png
+++ /dev/null
diff --git a/examples/effects/customshader/images/internet-group-chat.png b/examples/effects/customshader/images/internet-group-chat.png
deleted file mode 100644
index dd92d93..0000000
--- a/examples/effects/customshader/images/internet-group-chat.png
+++ /dev/null
diff --git a/examples/effects/customshader/images/internet-mail.png b/examples/effects/customshader/images/internet-mail.png
deleted file mode 100644
index 7e6b93b..0000000
--- a/examples/effects/customshader/images/internet-mail.png
+++ /dev/null
diff --git a/examples/effects/customshader/images/internet-web-browser.png b/examples/effects/customshader/images/internet-web-browser.png
deleted file mode 100644
index a979a92..0000000
--- a/examples/effects/customshader/images/internet-web-browser.png
+++ /dev/null
diff --git a/examples/effects/customshader/images/office-calendar.png b/examples/effects/customshader/images/office-calendar.png
deleted file mode 100644
index e095906..0000000
--- a/examples/effects/customshader/images/office-calendar.png
+++ /dev/null
diff --git a/examples/effects/customshader/images/system-users.png b/examples/effects/customshader/images/system-users.png
deleted file mode 100644
index a7f630a..0000000
--- a/examples/effects/customshader/images/system-users.png
+++ /dev/null
diff --git a/examples/effects/customshader/main.cpp b/examples/effects/customshader/main.cpp
deleted file mode 100644
index dfcdcd2..0000000
--- a/examples/effects/customshader/main.cpp
+++ /dev/null
@@ -1,55 +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 <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();
-}