Remove unused class QPaintBuffer

The class hasn't been used for a while anymore. Since it's
private, simply remove it from QtGui.

Change-Id: Ia0911d1c8b8836d963a51c8e354c96bc1ee4093f
Reviewed-by: Gunnar Sletta <gunnar@sletta.org>
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@theqtcompany.com>

10 files changed, 0 insertions, 275 deletions

diff --git a/tests/benchmarks/gui/painting/painting.pro b/tests/benchmarks/gui/painting/painting.pro
index b3fb34757c..0eb7fa92a7 100644
--- a/tests/benchmarks/gui/painting/painting.pro
+++ b/tests/benchmarks/gui/painting/painting.pro
@@ -3,7 +3,6 @@ SUBDIRS = \
         qpainter \
         qregion \
         qtransform \
-        qtracebench \
         qtbench
 
 !qtHaveModule(widgets): SUBDIRS -= \
diff --git a/tests/benchmarks/gui/painting/qtracebench/qtracebench.pro b/tests/benchmarks/gui/painting/qtracebench/qtracebench.pro
deleted file mode 100644
index d8c5c8e85b..0000000000
--- a/tests/benchmarks/gui/painting/qtracebench/qtracebench.pro
+++ /dev/null
@@ -1,11 +0,0 @@
-QT += widgets testlib
-QT += core-private gui-private widgets-private
-
-TEMPLATE = app
-TARGET = tst_qtracebench
-
-RESOURCES += qtracebench.qrc
-
-SOURCES += tst_qtracebench.cpp
-
-DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0
diff --git a/tests/benchmarks/gui/painting/qtracebench/qtracebench.qrc b/tests/benchmarks/gui/painting/qtracebench/qtracebench.qrc
deleted file mode 100644
index 5569550bc5..0000000000
--- a/tests/benchmarks/gui/painting/qtracebench/qtracebench.qrc
+++ /dev/null
@@ -1,10 +0,0 @@
-<RCC>
-    <qresource>
-        <file>traces/basicdrawing.trace</file>
-        <file>traces/webkit.trace</file>
-        <file>traces/textedit.trace</file>
-        <file>traces/creator.trace</file>
-        <file>traces/qmlphoneconcept.trace</file>
-        <file>traces/qmlsamegame.trace</file>
-    </qresource>
-</RCC>
diff --git a/tests/benchmarks/gui/painting/qtracebench/traces/basicdrawing.trace b/tests/benchmarks/gui/painting/qtracebench/traces/basicdrawing.trace
deleted file mode 100644
index 0241d08a97..0000000000
--- a/tests/benchmarks/gui/painting/qtracebench/traces/basicdrawing.trace
+++ /dev/null
diff --git a/tests/benchmarks/gui/painting/qtracebench/traces/creator.trace b/tests/benchmarks/gui/painting/qtracebench/traces/creator.trace
deleted file mode 100644
index 55ee9e183e..0000000000
--- a/tests/benchmarks/gui/painting/qtracebench/traces/creator.trace
+++ /dev/null
diff --git a/tests/benchmarks/gui/painting/qtracebench/traces/qmlphoneconcept.trace b/tests/benchmarks/gui/painting/qtracebench/traces/qmlphoneconcept.trace
deleted file mode 100644
index 835ebfa8fb..0000000000
--- a/tests/benchmarks/gui/painting/qtracebench/traces/qmlphoneconcept.trace
+++ /dev/null
diff --git a/tests/benchmarks/gui/painting/qtracebench/traces/qmlsamegame.trace b/tests/benchmarks/gui/painting/qtracebench/traces/qmlsamegame.trace
deleted file mode 100644
index 1d76195443..0000000000
--- a/tests/benchmarks/gui/painting/qtracebench/traces/qmlsamegame.trace
+++ /dev/null
diff --git a/tests/benchmarks/gui/painting/qtracebench/traces/textedit.trace b/tests/benchmarks/gui/painting/qtracebench/traces/textedit.trace
deleted file mode 100644
index 998716d6c1..0000000000
--- a/tests/benchmarks/gui/painting/qtracebench/traces/textedit.trace
+++ /dev/null
diff --git a/tests/benchmarks/gui/painting/qtracebench/traces/webkit.trace b/tests/benchmarks/gui/painting/qtracebench/traces/webkit.trace
deleted file mode 100644
index 43e752d193..0000000000
--- a/tests/benchmarks/gui/painting/qtracebench/traces/webkit.trace
+++ /dev/null
diff --git a/tests/benchmarks/gui/painting/qtracebench/tst_qtracebench.cpp b/tests/benchmarks/gui/painting/qtracebench/tst_qtracebench.cpp
deleted file mode 100644
index 1b6cea23de..0000000000
--- a/tests/benchmarks/gui/painting/qtracebench/tst_qtracebench.cpp
+++ /dev/null
@@ -1,253 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
-** Contact: http://www.qt-project.org/legal
-**
-** This file is part of the test suite of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL21$
-** 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 Digia. For licensing terms and
-** conditions see http://qt.digia.com/licensing. For further information
-** use the contact form at http://qt.digia.com/contact-us.
-**
-** 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 or version 3 as published by the Free
-** Software Foundation and appearing in the file LICENSE.LGPLv21 and
-** LICENSE.LGPLv3 included in the packaging of this file. Please review the
-** following information to ensure the GNU Lesser General Public License
-** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
-** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Digia gives you certain additional
-** rights. These rights are described in the Digia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include <qtest.h>
-
-#include <QtGui>
-
-#include <private/qpaintengineex_p.h>
-#include <private/qpaintbuffer_p.h>
-
-class ReplayWidget : public QWidget
-{
-    Q_OBJECT
-public:
-    ReplayWidget(const QString &filename);
-
-    void paintEvent(QPaintEvent *event);
-    void resizeEvent(QResizeEvent *event);
-
-    bool done() const { return m_done; }
-    qreal result() const { return m_result; }
-
-public slots:
-    void updateRect();
-
-public:
-    QList<QRegion> updates;
-    QPaintBuffer buffer;
-
-    int currentFrame;
-    int currentIteration;
-    QTime timer;
-
-    QList<uint> visibleUpdates;
-    QList<uint> iterationTimes;
-    QString filename;
-
-    bool m_done;
-    qreal m_result;
-
-    uint m_total;
-};
-
-void ReplayWidget::updateRect()
-{
-    if (!visibleUpdates.isEmpty())
-        update(updates.at(visibleUpdates.at(currentFrame)));
-}
-
-void ReplayWidget::paintEvent(QPaintEvent *)
-{
-    if (m_done)
-        return;
-
-    QPainter p(this);
-
-    // if partial updates don't work
-    // p.setClipRegion(frames.at(currentFrame).updateRegion);
-
-    buffer.draw(&p, visibleUpdates.at(currentFrame));
-
-    ++currentFrame;
-    if (currentFrame >= visibleUpdates.size()) {
-        currentFrame = 0;
-        ++currentIteration;
-
-        uint currentElapsed = timer.isNull() ? 0 : timer.elapsed();
-        timer.restart();
-
-        m_total += currentElapsed;
-
-        // warm up for at most 5 iterations or half a second
-        if (currentIteration >= 5 || m_total >= 500) {
-            iterationTimes << currentElapsed;
-
-            if (iterationTimes.size() >= 5) {
-                qreal mean = 0;
-                qreal stddev = 0;
-                uint min = INT_MAX;
-
-                for (int i = 0; i < iterationTimes.size(); ++i) {
-                    mean += iterationTimes.at(i);
-                    min = qMin(min, iterationTimes.at(i));
-                }
-
-                mean /= qreal(iterationTimes.size());
-
-                for (int i = 0; i < iterationTimes.size(); ++i) {
-                    qreal delta = iterationTimes.at(i) - mean;
-                    stddev += delta * delta;
-                }
-
-                stddev = qSqrt(stddev / iterationTimes.size());
-
-                qSort(iterationTimes.begin(), iterationTimes.end());
-                uint median = iterationTimes.at(iterationTimes.size() / 2);
-
-                stddev = 100 * stddev / mean;
-                // do 100 iterations, break earlier if we spend more than 5 seconds or have a low std deviation after 2 seconds
-                if (iterationTimes.size() >= 100 || m_total >= 5000 || (m_total >= 2000 && stddev < 4)) {
-                    printf("%s, iterations: %d, frames: %d, min(ms): %d, median(ms): %d, stddev: %f %%, max(fps): %f\n", qPrintable(filename),
-                            iterationTimes.size(), visibleUpdates.size(), min, median, stddev, 1000. * visibleUpdates.size() / min);
-                    m_result = min;
-                    m_done = true;
-                    return;
-                }
-            }
-        }
-    }
-}
-
-void ReplayWidget::resizeEvent(QResizeEvent * /* event */)
-{
-    visibleUpdates.clear();
-
-    QRect bounds = rect();
-    for (int i = 0; i < updates.size(); ++i) {
-        if (updates.at(i).intersects(bounds))
-            visibleUpdates << i;
-    }
-
-    if (visibleUpdates.size() != updates.size())
-        printf("Warning: skipped %d frames due to limited resolution\n", updates.size() - visibleUpdates.size());
-
-}
-
-ReplayWidget::ReplayWidget(const QString &filename_)
-    : currentFrame(0)
-    , currentIteration(0)
-    , filename(filename_)
-    , m_done(false)
-    , m_result(0)
-    , m_total(0)
-{
-    setWindowTitle(filename);
-    QFile file(filename);
-
-    if (!file.open(QIODevice::ReadOnly)) {
-        printf("Failed to load input file '%s'\n", qPrintable(filename_));
-        return;
-    }
-
-    QDataStream in(&file);
-    in.setVersion(QDataStream::Qt_4_7);
-
-    char *data;
-    uint size;
-    in.readBytes(data, size);
-    bool isTraceFile = size >= 7 && qstrncmp(data, "qttrace", 7) == 0;
-    uint version = 0;
-    if (size == 9 && qstrncmp(data, "qttraceV2", 9) == 0) {
-        in.setFloatingPointPrecision(QDataStream::SinglePrecision);
-        in >> version;
-    }
-
-    delete [] data;
-    if (!isTraceFile) {
-        printf("File '%s' is not a trace file\n", qPrintable(filename_));
-        return;
-    }
-
-    in >> buffer >> updates;
-
-    resize(buffer.boundingRect().size().toSize());
-
-    setAutoFillBackground(false);
-    setAttribute(Qt::WA_NoSystemBackground);
-}
-
-
-class tst_QTraceBench : public QObject
-{
-    Q_OBJECT
-
-private slots:
-    void trace();
-    void trace_data();
-};
-
-static const QLatin1String prefix(":/traces/");
-
-void tst_QTraceBench::trace_data()
-{
-    QTest::addColumn<QString>("filename");
-
-    QTest::newRow("basicdrawing") << (prefix + "basicdrawing.trace");
-    QTest::newRow("webkit") << (prefix + "webkit.trace");
-    QTest::newRow("creator") << (prefix + "creator.trace");
-    QTest::newRow("textedit") << (prefix + "textedit.trace");
-    QTest::newRow("qmlphoneconcept") << (prefix + "qmlphoneconcept.trace");
-    QTest::newRow("qmlsamegame") << (prefix + "qmlsamegame.trace");
-}
-
-void tst_QTraceBench::trace()
-{
-    QFETCH(QString, filename);
-
-    QFile file(filename);
-    if (!file.exists()) {
-        qWarning() << "Missing file" << filename;
-        return;
-    }
-
-    ReplayWidget widget(filename);
-
-    if (widget.updates.isEmpty()) {
-        qWarning() << "No trace updates" << filename;
-        return;
-    }
-
-    widget.show();
-    QTest::qWaitForWindowShown(&widget);
-
-    while (!widget.done()) {
-        widget.updateRect();
-        QApplication::processEvents();
-    }
-
-    QTest::setBenchmarkResult(widget.result(), QTest::WalltimeMilliseconds);
-}
-
-QTEST_MAIN(tst_QTraceBench)
-#include "tst_qtracebench.moc"