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Diffstat (limited to 'tests/benchmarks/widgets/graphicsview/qgraphicsanchorlayout/tst_qgraphicsanchorlayout.cpp')
-rw-r--r-- | tests/benchmarks/widgets/graphicsview/qgraphicsanchorlayout/tst_qgraphicsanchorlayout.cpp | 420 |
1 files changed, 420 insertions, 0 deletions
diff --git a/tests/benchmarks/widgets/graphicsview/qgraphicsanchorlayout/tst_qgraphicsanchorlayout.cpp b/tests/benchmarks/widgets/graphicsview/qgraphicsanchorlayout/tst_qgraphicsanchorlayout.cpp new file mode 100644 index 0000000000..b15aad04cd --- /dev/null +++ b/tests/benchmarks/widgets/graphicsview/qgraphicsanchorlayout/tst_qgraphicsanchorlayout.cpp @@ -0,0 +1,420 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the test suite of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:GPL-EXCEPT$ +** 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. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3 as published by the Free Software +** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtTest/QtTest> +#include <QtWidgets/qgraphicsanchorlayout.h> +#include <QtWidgets/qgraphicslinearlayout.h> +#include <QtWidgets/qgraphicswidget.h> +#include <QtWidgets/qgraphicsview.h> + +class tst_QGraphicsAnchorLayout : public QObject +{ + Q_OBJECT +public: + tst_QGraphicsAnchorLayout() {} + ~tst_QGraphicsAnchorLayout() {} + +private slots: + void hard_complex_data(); + void hard_complex(); + void linearVsAnchorSizeHints_data(); + void linearVsAnchorSizeHints(); + void linearVsAnchorSetGeometry_data(); + void linearVsAnchorSetGeometry(); + void linearVsAnchorNested_data(); + void linearVsAnchorNested(); +}; + + +class RectWidget : public QGraphicsWidget +{ +public: + RectWidget(QGraphicsItem *parent = 0) : QGraphicsWidget(parent){} + + void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) + { + Q_UNUSED(option); + Q_UNUSED(widget); + painter->drawRoundRect(rect()); + painter->drawLine(rect().topLeft(), rect().bottomRight()); + painter->drawLine(rect().bottomLeft(), rect().topRight()); + } +}; + +static QGraphicsWidget *createItem(const QSizeF &minimum = QSizeF(100.0, 100.0), + const QSizeF &preferred = QSize(150.0, 100.0), + const QSizeF &maximum = QSizeF(200.0, 100.0), + const QString &name = QString()) +{ + QGraphicsWidget *w = new RectWidget; + w->setMinimumSize(minimum); + w->setPreferredSize(preferred); + w->setMaximumSize(maximum); + w->setData(0, name); + return w; +} + +static void setAnchor(QGraphicsAnchorLayout *l, + QGraphicsLayoutItem *firstItem, + Qt::AnchorPoint firstEdge, + QGraphicsLayoutItem *secondItem, + Qt::AnchorPoint secondEdge, + qreal spacing) +{ + QGraphicsAnchor *anchor = l->addAnchor(firstItem, firstEdge, secondItem, secondEdge); + anchor->setSpacing(spacing); +} + +void tst_QGraphicsAnchorLayout::hard_complex_data() +{ + QTest::addColumn<int>("whichSizeHint"); + QTest::newRow("minimumSizeHint") + << int(Qt::MinimumSize); + QTest::newRow("preferredSizeHint") + << int(Qt::PreferredSize); + QTest::newRow("maximumSizeHint") + << int(Qt::MaximumSize); + // Add it as a reference to see how much overhead the body of effectiveSizeHint takes. + QTest::newRow("noSizeHint") + << -1; +} + +void tst_QGraphicsAnchorLayout::hard_complex() +{ + QFETCH(int, whichSizeHint); + + // Test for "hard" complex case, taken from wiki + // https://cwiki.nokia.com/S60QTUI/AnchorLayoutComplexCases + QSizeF min(0, 10); + QSizeF pref(50, 10); + QSizeF max(100, 10); + + QGraphicsWidget *a = createItem(min, pref, max, "a"); + QGraphicsWidget *b = createItem(min, pref, max, "b"); + QGraphicsWidget *c = createItem(min, pref, max, "c"); + QGraphicsWidget *d = createItem(min, pref, max, "d"); + QGraphicsWidget *e = createItem(min, pref, max, "e"); + QGraphicsWidget *f = createItem(min, pref, max, "f"); + QGraphicsWidget *g = createItem(min, pref, max, "g"); + + QGraphicsAnchorLayout *l = new QGraphicsAnchorLayout; + l->setContentsMargins(0, 0, 0, 0); + + //<!-- Trunk --> + setAnchor(l, l, Qt::AnchorLeft, a, Qt::AnchorLeft, 10); + setAnchor(l, a, Qt::AnchorRight, b, Qt::AnchorLeft, 10); + setAnchor(l, b, Qt::AnchorRight, c, Qt::AnchorLeft, 10); + setAnchor(l, c, Qt::AnchorRight, d, Qt::AnchorLeft, 10); + setAnchor(l, d, Qt::AnchorRight, l, Qt::AnchorRight, 10); + + //<!-- Above trunk --> + setAnchor(l, b, Qt::AnchorLeft, e, Qt::AnchorLeft, 10); + setAnchor(l, e, Qt::AnchorRight, d, Qt::AnchorLeft, 10); + + //<!-- Below trunk --> + setAnchor(l, a, Qt::AnchorHorizontalCenter, g, Qt::AnchorLeft, 10); + setAnchor(l, g, Qt::AnchorRight, f, Qt::AnchorHorizontalCenter, 10); + setAnchor(l, c, Qt::AnchorLeft, f, Qt::AnchorLeft, 10); + setAnchor(l, f, Qt::AnchorRight, d, Qt::AnchorRight, 10); + + //<!-- vertical is simpler --> + setAnchor(l, l, Qt::AnchorTop, e, Qt::AnchorTop, 0); + setAnchor(l, e, Qt::AnchorBottom, a, Qt::AnchorTop, 0); + setAnchor(l, e, Qt::AnchorBottom, b, Qt::AnchorTop, 0); + setAnchor(l, e, Qt::AnchorBottom, c, Qt::AnchorTop, 0); + setAnchor(l, e, Qt::AnchorBottom, d, Qt::AnchorTop, 0); + setAnchor(l, a, Qt::AnchorBottom, f, Qt::AnchorTop, 0); + setAnchor(l, a, Qt::AnchorBottom, b, Qt::AnchorBottom, 0); + setAnchor(l, a, Qt::AnchorBottom, c, Qt::AnchorBottom, 0); + setAnchor(l, a, Qt::AnchorBottom, d, Qt::AnchorBottom, 0); + setAnchor(l, f, Qt::AnchorBottom, g, Qt::AnchorTop, 0); + setAnchor(l, g, Qt::AnchorBottom, l, Qt::AnchorBottom, 0); + + // It won't query the size hint if it already has a size set. + // If only one of the sizes is unset it will query sizeHint only of for that hint type. + l->setMinimumSize(60,40); + l->setPreferredSize(220,40); + l->setMaximumSize(240,40); + + switch (whichSizeHint) { + case Qt::MinimumSize: + l->setMinimumSize(-1, -1); + break; + case Qt::PreferredSize: + l->setPreferredSize(-1, -1); + break; + case Qt::MaximumSize: + l->setMaximumSize(-1, -1); + break; + default: + break; + } + + QSizeF sizeHint; + // warm up instruction cache + l->invalidate(); + sizeHint = l->effectiveSizeHint((Qt::SizeHint)whichSizeHint); + // ...then measure... + QBENCHMARK { + l->invalidate(); + sizeHint = l->effectiveSizeHint((Qt::SizeHint)whichSizeHint); + } +} + +static QGraphicsLayout* createLayouts(int whichLayout) +{ + QSizeF min(0, 10); + QSizeF pref(50, 10); + QSizeF max(100, 10); + + QGraphicsWidget *a = createItem(min, pref, max, "a"); + QGraphicsWidget *b = createItem(min, pref, max, "b"); + QGraphicsWidget *c = createItem(min, pref, max, "c"); + QGraphicsWidget *d = createItem(min, pref, max, "d"); + + QGraphicsLayout *l; + if (whichLayout == 0) { + l = new QGraphicsLinearLayout; + QGraphicsLinearLayout *linear = static_cast<QGraphicsLinearLayout *>(l); + linear->setContentsMargins(0, 0, 0, 0); + + linear->addItem(a); + linear->addItem(b); + linear->addItem(c); + linear->addItem(d); + } else { + l = new QGraphicsAnchorLayout; + QGraphicsAnchorLayout *anchor = static_cast<QGraphicsAnchorLayout *>(l); + anchor->setContentsMargins(0, 0, 0, 0); + + // Horizontal + setAnchor(anchor, anchor, Qt::AnchorLeft, a, Qt::AnchorLeft, 0); + setAnchor(anchor, a, Qt::AnchorRight, b, Qt::AnchorLeft, 0); + setAnchor(anchor, b, Qt::AnchorRight, c, Qt::AnchorLeft, 0); + setAnchor(anchor, c, Qt::AnchorRight, d, Qt::AnchorLeft, 0); + setAnchor(anchor, d, Qt::AnchorRight, anchor, Qt::AnchorRight, 0); + + // Vertical + anchor->addAnchors(anchor, a, Qt::Vertical); + anchor->addAnchors(anchor, b, Qt::Vertical); + anchor->addAnchors(anchor, c, Qt::Vertical); + anchor->addAnchors(anchor, d, Qt::Vertical); + } + + return l; +} + +void tst_QGraphicsAnchorLayout::linearVsAnchorSizeHints_data() +{ + QTest::addColumn<int>("whichLayout"); + QTest::addColumn<int>("whichSizeHint"); + + QTest::newRow("QGraphicsLinearLayout::minimum") + << 0 << int(Qt::MinimumSize); + QTest::newRow("QGraphicsLinearLayout::preferred") + << 0 << int(Qt::PreferredSize); + QTest::newRow("QGraphicsLinearLayout::maximum") + << 0 << int(Qt::MaximumSize); + QTest::newRow("QGraphicsLinearLayout::noSizeHint") + << 0 << -1; + + QTest::newRow("QGraphicsAnchorLayout::minimum") + << 1 << int(Qt::MinimumSize); + QTest::newRow("QGraphicsAnchorLayout::preferred") + << 1 << int(Qt::PreferredSize); + QTest::newRow("QGraphicsAnchorLayout::maximum") + << 1 << int(Qt::MaximumSize); + QTest::newRow("QGraphicsAnchorLayout::noSizeHint") + << 1 << -1; +} + +void tst_QGraphicsAnchorLayout::linearVsAnchorSizeHints() +{ + QFETCH(int, whichSizeHint); + QFETCH(int, whichLayout); + + QGraphicsLayout *l = createLayouts(whichLayout); + + QSizeF sizeHint; + // warm up instruction cache + l->invalidate(); + sizeHint = l->effectiveSizeHint((Qt::SizeHint)whichSizeHint); + // ...then measure... + + QBENCHMARK { + l->invalidate(); + sizeHint = l->effectiveSizeHint((Qt::SizeHint)whichSizeHint); + } +} + +void tst_QGraphicsAnchorLayout::linearVsAnchorSetGeometry_data() +{ + QTest::addColumn<int>("whichLayout"); + + QTest::newRow("QGraphicsLinearLayout") + << 0; + QTest::newRow("QGraphicsAnchorLayout") + << 1; +} + +void tst_QGraphicsAnchorLayout::linearVsAnchorSetGeometry() +{ + QFETCH(int, whichLayout); + + QGraphicsLayout *l = createLayouts(whichLayout); + + QRectF sizeHint; + qreal maxWidth; + qreal increment; + // warm up instruction cache + l->invalidate(); + sizeHint.setSize(l->effectiveSizeHint(Qt::MinimumSize)); + maxWidth = l->effectiveSizeHint(Qt::MaximumSize).width(); + increment = (maxWidth - sizeHint.width()) / 100; + l->setGeometry(sizeHint); + // ...then measure... + + QBENCHMARK { + l->invalidate(); + for (qreal width = sizeHint.width(); width <= maxWidth; width += increment) { + sizeHint.setWidth(width); + l->setGeometry(sizeHint); + } + } +} + +void tst_QGraphicsAnchorLayout::linearVsAnchorNested_data() +{ + QTest::addColumn<int>("whichLayout"); + QTest::newRow("LinearLayout") + << 0; + QTest::newRow("AnchorLayout setup with null-anchors knot") + << 1; + QTest::newRow("AnchorLayout setup easy to simplificate") + << 2; +} + +void tst_QGraphicsAnchorLayout::linearVsAnchorNested() +{ + QFETCH(int, whichLayout); + + QSizeF min(10, 10); + QSizeF pref(80, 80); + QSizeF max(150, 150); + + QGraphicsWidget *a = createItem(min, pref, max, "a"); + QGraphicsWidget *b = createItem(min, pref, max, "b"); + QGraphicsWidget *c = createItem(min, pref, max, "c"); + QGraphicsWidget *d = createItem(min, pref, max, "d"); + + QGraphicsLayout *layout; + + if (whichLayout == 0) { + QGraphicsLinearLayout *linear1 = new QGraphicsLinearLayout; + QGraphicsLinearLayout *linear2 = new QGraphicsLinearLayout(Qt::Vertical); + QGraphicsLinearLayout *linear3 = new QGraphicsLinearLayout; + + linear1->addItem(a); + linear1->addItem(linear2); + linear2->addItem(b); + linear2->addItem(linear3); + linear3->addItem(c); + linear3->addItem(d); + + layout = linear1; + } else if (whichLayout == 1) { + QGraphicsAnchorLayout *anchor = new QGraphicsAnchorLayout; + + // A + anchor->addCornerAnchors(a, Qt::TopLeftCorner, anchor, Qt::TopLeftCorner); + anchor->addCornerAnchors(a, Qt::TopRightCorner, b, Qt::TopLeftCorner); + anchor->addCornerAnchors(a, Qt::BottomLeftCorner, anchor, Qt::BottomLeftCorner); + anchor->addCornerAnchors(a, Qt::BottomRightCorner, c, Qt::BottomLeftCorner); + + // B + anchor->addCornerAnchors(b, Qt::TopRightCorner, anchor, Qt::TopRightCorner); + anchor->addCornerAnchors(b, Qt::BottomLeftCorner, c, Qt::TopLeftCorner); + anchor->addCornerAnchors(b, Qt::BottomRightCorner, d, Qt::TopRightCorner); + + // C + anchor->addCornerAnchors(c, Qt::TopRightCorner, d, Qt::TopLeftCorner); + anchor->addCornerAnchors(c, Qt::BottomRightCorner, d, Qt::BottomLeftCorner); + + // D + anchor->addCornerAnchors(d, Qt::BottomRightCorner, anchor, Qt::BottomRightCorner); + + layout = anchor; + } else { + QGraphicsAnchorLayout *anchor = new QGraphicsAnchorLayout; + + // A + anchor->addAnchor(a, Qt::AnchorLeft, anchor, Qt::AnchorLeft); + anchor->addAnchors(a, anchor, Qt::Vertical); + anchor->addAnchor(a, Qt::AnchorRight, b, Qt::AnchorLeft); + anchor->addAnchor(a, Qt::AnchorRight, c, Qt::AnchorLeft); + + // B + anchor->addAnchor(b, Qt::AnchorTop, anchor, Qt::AnchorTop); + anchor->addAnchor(b, Qt::AnchorRight, anchor, Qt::AnchorRight); + anchor->addAnchor(b, Qt::AnchorBottom, c, Qt::AnchorTop); + anchor->addAnchor(b, Qt::AnchorBottom, d, Qt::AnchorTop); + + // C + anchor->addAnchor(c, Qt::AnchorRight, d, Qt::AnchorLeft); + anchor->addAnchor(c, Qt::AnchorBottom, anchor, Qt::AnchorBottom); + + // D + anchor->addAnchor(d, Qt::AnchorRight, anchor, Qt::AnchorRight); + anchor->addAnchor(d, Qt::AnchorBottom, anchor, Qt::AnchorBottom); + + layout = anchor; + } + + QSizeF sizeHint; + // warm up instruction cache + layout->invalidate(); + sizeHint = layout->effectiveSizeHint(Qt::PreferredSize); + + // ...then measure... + QBENCHMARK { + // To ensure that all sizeHints caches are invalidated in + // the LinearLayout setup, we must call updateGeometry on the + // children. If we didn't, only the top level layout would be + // re-calculated. + static_cast<QGraphicsLayoutItem *>(a)->updateGeometry(); + static_cast<QGraphicsLayoutItem *>(b)->updateGeometry(); + static_cast<QGraphicsLayoutItem *>(c)->updateGeometry(); + static_cast<QGraphicsLayoutItem *>(d)->updateGeometry(); + layout->invalidate(); + sizeHint = layout->effectiveSizeHint(Qt::PreferredSize); + } +} + +QTEST_MAIN(tst_QGraphicsAnchorLayout) + +#include "tst_qgraphicsanchorlayout.moc" |