qt5base-lts/tests/auto/widgets/graphicsview/qgraphicspixmapitem/tst_qgraphicspixmapitem.cpp
Allan Sandfeld Jensen 564b59d903 Another round of replacing 0 with nullptr
This time based on grepping to also include documentation, tests and
examples previously missed by the automatic tool.

Change-Id: Ied1703f4bcc470fbc275f759ed5b7c588a5c4e9f
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
2020-10-07 23:02:47 +02:00

398 lines
13 KiB
C++

/****************************************************************************
**
** 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.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
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** 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
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****************************************************************************/
#include <QtTest/QtTest>
#include <qgraphicsscene.h>
#include <qgraphicsitem.h>
#include <qpainterpath.h>
class tst_QGraphicsPixmapItem : public QObject
{
Q_OBJECT
private slots:
void qgraphicspixmapitem_data();
void qgraphicspixmapitem();
void boundingRect_data();
void boundingRect();
void contains_data();
void contains();
void isObscuredBy_data();
void isObscuredBy();
void offset_data();
void offset();
void opaqueArea_data();
void opaqueArea();
void pixmap_data();
void pixmap();
void setPixmap_data();
void setPixmap();
void setShapeMode_data();
void setShapeMode();
void setTransformationMode_data();
void setTransformationMode();
void shape_data();
void shape();
void extension_data();
void extension();
void setExtension_data();
void setExtension();
void supportsExtension_data();
void supportsExtension();
};
// Subclass that exposes the protected functions.
class SubQGraphicsPixmapItem : public QGraphicsPixmapItem
{
public:
enum Extension {
UserExtension = QGraphicsItem::UserExtension
};
SubQGraphicsPixmapItem(QGraphicsItem *parent = nullptr) : QGraphicsPixmapItem(parent)
{
}
SubQGraphicsPixmapItem(const QPixmap &pixmap, QGraphicsItem *parent = nullptr) : QGraphicsPixmapItem(pixmap, parent)
{
}
QVariant call_extension(QVariant const& variant) const
{ return SubQGraphicsPixmapItem::extension(variant); }
void call_setExtension(Extension extension, QVariant const& variant)
{ return SubQGraphicsPixmapItem::setExtension((QGraphicsItem::Extension)extension, variant); }
bool call_supportsExtension(Extension extension) const
{ return SubQGraphicsPixmapItem::supportsExtension((QGraphicsItem::Extension)extension); }
};
void tst_QGraphicsPixmapItem::qgraphicspixmapitem_data()
{
}
void tst_QGraphicsPixmapItem::qgraphicspixmapitem()
{
SubQGraphicsPixmapItem item;
item.boundingRect();
item.contains(QPoint());
item.isObscuredBy(0);
item.opaqueArea();
//item.paint();
QCOMPARE(item.offset(), QPointF());
QCOMPARE(item.pixmap(), QPixmap());
QCOMPARE(item.shapeMode(), QGraphicsPixmapItem::MaskShape);
QCOMPARE(item.transformationMode(), Qt::FastTransformation);
item.setOffset(0, 0);
item.setOffset(QPointF(0, 0));
item.setPixmap(QPixmap());
item.setShapeMode(QGraphicsPixmapItem::MaskShape);
item.setTransformationMode(Qt::FastTransformation);
item.shape();
item.type();
item.call_extension(QVariant());
item.call_setExtension(SubQGraphicsPixmapItem::UserExtension, QVariant());
item.call_supportsExtension(SubQGraphicsPixmapItem::UserExtension);
}
void tst_QGraphicsPixmapItem::boundingRect_data()
{
QTest::addColumn<QPixmap>("pixmap");
QTest::addColumn<QRectF>("boundingRect");
QTest::newRow("null") << QPixmap() << QRectF();
QTest::newRow("10x10") << QPixmap(10, 10) << QRectF(0, 0, 10, 10);
}
// public QRectF boundingRect() const
void tst_QGraphicsPixmapItem::boundingRect()
{
QFETCH(QPixmap, pixmap);
QFETCH(QRectF, boundingRect);
SubQGraphicsPixmapItem item(pixmap);
QCOMPARE(item.boundingRect(), boundingRect);
}
void tst_QGraphicsPixmapItem::contains_data()
{
QTest::addColumn<QPixmap>("pixmap");
QTest::addColumn<QPointF>("point");
QTest::addColumn<bool>("contains");
QTest::newRow("null") << QPixmap() << QPointF() << false;
QTest::newRow("10x10, 100x100") << QPixmap(10, 10) << QPointF(100, 100) << false;
QTest::newRow("10x10, 5x5") << QPixmap(10, 10) << QPointF(5, 5) << true;
QTest::newRow("border-1") << QPixmap(10, 10) << QPointF(10.5, 10.5) << false;
QTest::newRow("border-2") << QPixmap(10, 10) << QPointF(-0.5, -0.5) << false;
}
// public bool contains(QPointF const& point) const
void tst_QGraphicsPixmapItem::contains()
{
if (QGuiApplication::platformName().startsWith(QLatin1String("wayland"), Qt::CaseInsensitive))
QSKIP("Wayland: This fails. Figure out why.");
QFETCH(QPixmap, pixmap);
QFETCH(QPointF, point);
QFETCH(bool, contains);
// At the time of writing, by default pixmaps will have:
// - The same pixel format of the primary screen (which is platform dependent and may contain alpha)
// - Uninitialized pixels, potentially including an alpha channel
// - A ShapeMode of Mask (which mean it will use the alpha channel as a mask for contains())
// This means that in order to prevent undefined behavior in this test, we either need to set
// the shapeMode to something else, or set the pixels of the pixmap.
pixmap.fill(); // Filling the pixmap to be on the safe side.
SubQGraphicsPixmapItem item(pixmap);
QCOMPARE(item.contains(point), contains);
}
void tst_QGraphicsPixmapItem::isObscuredBy_data()
{
QTest::addColumn<QPixmap>("pixmap");
QTest::addColumn<QPixmap>("otherPixmap");
QTest::addColumn<bool>("isObscuredBy");
QTest::newRow("null") << QPixmap() << QPixmap() << false;
QTest::newRow("(10, 10) vs. (5, 5)") << QPixmap(10, 10) << QPixmap(5, 5) << false;
QTest::newRow("(5, 5) vs. (10, 10)") << QPixmap(5, 5) << QPixmap(10, 10) << true;
QTest::newRow("(10, 10) vs. (10, 10)") << QPixmap(10, 10) << QPixmap(10, 10) << false;
QTest::newRow("(9, 9) vs. (10, 10)") << QPixmap(8, 8) << QPixmap(10, 10) << true;
QTest::newRow("(10, 10) vs. (9, 9)") << QPixmap(10, 10) << QPixmap(8, 8) << false;
}
// public bool isObscuredBy(QGraphicsItem const* item) const
void tst_QGraphicsPixmapItem::isObscuredBy()
{
QFETCH(QPixmap, pixmap);
QFETCH(QPixmap, otherPixmap);
QFETCH(bool, isObscuredBy);
pixmap.fill();
otherPixmap.fill();
SubQGraphicsPixmapItem *item = new SubQGraphicsPixmapItem(pixmap);
SubQGraphicsPixmapItem *otherItem = new SubQGraphicsPixmapItem(otherPixmap);
item->setOffset(-pixmap.width() / 2.0, -pixmap.height() / 2.0);
otherItem->setOffset(-otherPixmap.width() / 2.0, -otherPixmap.height() / 2.0);
QGraphicsScene scene;
scene.addItem(item);
scene.addItem(otherItem);
otherItem->setZValue(1);
QCOMPARE(item->isObscuredBy(otherItem), isObscuredBy);
}
void tst_QGraphicsPixmapItem::offset_data()
{
QTest::addColumn<QPixmap>("pixmap");
QTest::addColumn<QPointF>("offset");
QTest::newRow("null") << QPixmap() << QPointF();
QTest::newRow("10x10, 1x1") << QPixmap(10, 10) << QPointF(1, 1);
}
// public QPointF offset() const
void tst_QGraphicsPixmapItem::offset()
{
QFETCH(QPixmap, pixmap);
QFETCH(QPointF, offset);
SubQGraphicsPixmapItem item(pixmap);
item.setOffset(offset);
QCOMPARE(item.offset(), offset);
// ### test actual painting and compare pixmap with offseted one?
}
Q_DECLARE_METATYPE(QPainterPath)
void tst_QGraphicsPixmapItem::opaqueArea_data()
{
QTest::addColumn<QPixmap>("pixmap");
QTest::addColumn<QPainterPath>("opaqueArea");
QTest::newRow("null") << QPixmap() << QPainterPath();
// Currently QGraphicsPixmapItem just calls QGraphicsItem test there
}
// public QPainterPath opaqueArea() const
void tst_QGraphicsPixmapItem::opaqueArea()
{
QFETCH(QPixmap, pixmap);
QFETCH(QPainterPath, opaqueArea);
SubQGraphicsPixmapItem item;
QCOMPARE(item.opaqueArea(), opaqueArea);
}
void tst_QGraphicsPixmapItem::pixmap_data()
{
QTest::addColumn<QPixmap>("pixmap");
QTest::newRow("null") << QPixmap();
QTest::newRow("10x10") << QPixmap(10, 10);
}
// public QPixmap pixmap() const
void tst_QGraphicsPixmapItem::pixmap()
{
QFETCH(QPixmap, pixmap);
SubQGraphicsPixmapItem item(pixmap);
QCOMPARE(item.pixmap(), pixmap);
}
void tst_QGraphicsPixmapItem::setPixmap_data()
{
QTest::addColumn<QPixmap>("pixmap");
QTest::newRow("null") << QPixmap();
QTest::newRow("10x10") << QPixmap(10, 10);
}
// public void setPixmap(QPixmap const& pixmap)
void tst_QGraphicsPixmapItem::setPixmap()
{
QFETCH(QPixmap, pixmap);
SubQGraphicsPixmapItem item;
item.setPixmap(pixmap);
QCOMPARE(item.pixmap(), pixmap);
}
Q_DECLARE_METATYPE(QGraphicsPixmapItem::ShapeMode)
void tst_QGraphicsPixmapItem::setShapeMode_data()
{
QTest::addColumn<QPixmap>("pixmap");
QTest::addColumn<QGraphicsPixmapItem::ShapeMode>("mode");
QTest::newRow("MaskShape") << QPixmap() << QGraphicsPixmapItem::MaskShape;
QTest::newRow("BoundingRectShape") << QPixmap() << QGraphicsPixmapItem::BoundingRectShape;
QTest::newRow("HeuristicMaskShape") << QPixmap() << QGraphicsPixmapItem::HeuristicMaskShape;
}
// public void setShapeMode(QGraphicsPixmapItem::ShapeMode mode)
void tst_QGraphicsPixmapItem::setShapeMode()
{
QFETCH(QPixmap, pixmap);
QFETCH(QGraphicsPixmapItem::ShapeMode, mode);
SubQGraphicsPixmapItem item(pixmap);
item.setShapeMode(mode);
QCOMPARE(item.shapeMode(), mode);
}
Q_DECLARE_METATYPE(Qt::TransformationMode)
void tst_QGraphicsPixmapItem::setTransformationMode_data()
{
QTest::addColumn<QPixmap>("pixmap");
QTest::addColumn<Qt::TransformationMode>("mode");
QTest::newRow("FastTransformation") << QPixmap() << Qt::FastTransformation;
QTest::newRow("SmoothTransformation") << QPixmap() << Qt::SmoothTransformation;
}
// public void setTransformationMode(Qt::TransformationMode mode)
void tst_QGraphicsPixmapItem::setTransformationMode()
{
QFETCH(QPixmap, pixmap);
QFETCH(Qt::TransformationMode, mode);
SubQGraphicsPixmapItem item(pixmap);
item.setTransformationMode(mode);
QCOMPARE(item.transformationMode(), mode);
}
void tst_QGraphicsPixmapItem::shape_data()
{
QTest::addColumn<QPixmap>("pixmap");
QTest::addColumn<QPainterPath>("shape");
QTest::newRow("null") << QPixmap() << QPainterPath();
// ### what does a normal shape look like?
}
// public QPainterPath shape() const
void tst_QGraphicsPixmapItem::shape()
{
QFETCH(QPixmap, pixmap);
QFETCH(QPainterPath, shape);
SubQGraphicsPixmapItem item(pixmap);
QCOMPARE(item.shape(), shape);
}
Q_DECLARE_METATYPE(SubQGraphicsPixmapItem::Extension)
void tst_QGraphicsPixmapItem::extension_data()
{
QTest::addColumn<QVariant>("variant");
QTest::addColumn<QVariant>("extension");
QTest::newRow("null") << QVariant() << QVariant();
}
// protected QVariant extension(QVariant const& variant) const
void tst_QGraphicsPixmapItem::extension()
{
QFETCH(QVariant, variant);
QFETCH(QVariant, extension);
SubQGraphicsPixmapItem item;
QCOMPARE(item.call_extension(variant), extension);
}
void tst_QGraphicsPixmapItem::setExtension_data()
{
QTest::addColumn<SubQGraphicsPixmapItem::Extension>("extension");
QTest::addColumn<QVariant>("variant");
QTest::newRow("null") << SubQGraphicsPixmapItem::UserExtension << QVariant();
}
// protected void setExtension(QGraphicsItem::Extension extension, QVariant const& variant)
void tst_QGraphicsPixmapItem::setExtension()
{
QFETCH(SubQGraphicsPixmapItem::Extension, extension);
QFETCH(QVariant, variant);
SubQGraphicsPixmapItem item;
item.call_setExtension(extension, variant);
}
void tst_QGraphicsPixmapItem::supportsExtension_data()
{
QTest::addColumn<SubQGraphicsPixmapItem::Extension>("extension");
QTest::addColumn<bool>("supportsExtension");
QTest::newRow("null") << SubQGraphicsPixmapItem::UserExtension << false;
}
// protected bool supportsExtension(QGraphicsItem::Extension extension) const
void tst_QGraphicsPixmapItem::supportsExtension()
{
QFETCH(SubQGraphicsPixmapItem::Extension, extension);
QFETCH(bool, supportsExtension);
SubQGraphicsPixmapItem item;
QCOMPARE(item.call_supportsExtension(extension), supportsExtension);
}
QTEST_MAIN(tst_QGraphicsPixmapItem)
#include "tst_qgraphicspixmapitem.moc"