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-rw-r--r--src/gui/graphicsview/qgraphicsitem.cpp30
-rw-r--r--tests/auto/qgraphicsitem/tst_qgraphicsitem.cpp83
-rw-r--r--tests/auto/qgraphicsscene/tst_qgraphicsscene.cpp26
3 files changed, 125 insertions, 14 deletions
diff --git a/src/gui/graphicsview/qgraphicsitem.cpp b/src/gui/graphicsview/qgraphicsitem.cpp
index b520a3f..e6bcaa6 100644
--- a/src/gui/graphicsview/qgraphicsitem.cpp
+++ b/src/gui/graphicsview/qgraphicsitem.cpp
@@ -4223,9 +4223,9 @@ QPolygonF QGraphicsItem::mapToItem(const QGraphicsItem *item, const QRectF &rect
*/
QPolygonF QGraphicsItem::mapToParent(const QRectF &rect) const
{
- if (!d_ptr->hasTransform)
- return QPolygonF(rect.translated(d_ptr->pos));
- return transform().map(rect.translated(d_ptr->pos));
+ QPolygonF p = !d_ptr->hasTransform ? rect : transform().map(rect);
+ p.translate(d_ptr->pos);
+ return p;
}
/*!
@@ -4292,8 +4292,8 @@ QRectF QGraphicsItem::mapRectToItem(const QGraphicsItem *item, const QRectF &rec
*/
QRectF QGraphicsItem::mapRectToParent(const QRectF &rect) const
{
- QRectF r = rect.translated(d_ptr->pos.x(), d_ptr->pos.y());
- return !d_ptr->hasTransform ? r : transform().mapRect(r);
+ QRectF r = !d_ptr->hasTransform ? rect : transform().mapRect(rect);
+ return r.translated(d_ptr->pos);
}
/*!
@@ -4424,9 +4424,9 @@ QPolygonF QGraphicsItem::mapToItem(const QGraphicsItem *item, const QPolygonF &p
*/
QPolygonF QGraphicsItem::mapToParent(const QPolygonF &polygon) const
{
- QPolygonF p = polygon;
+ QPolygonF p = !d_ptr->hasTransform ? polygon : transform().map(polygon);
p.translate(d_ptr->pos);
- return d_ptr->hasTransform ? transform().map(p) : p;
+ return p;
}
/*!
@@ -4468,7 +4468,10 @@ QPainterPath QGraphicsItem::mapToItem(const QGraphicsItem *item, const QPainterP
*/
QPainterPath QGraphicsItem::mapToParent(const QPainterPath &path) const
{
- return d_ptr->parent ? itemTransform(d_ptr->parent).map(path) : mapToScene(path);
+ QTransform x = QTransform::fromTranslate(d_ptr->pos.x(), d_ptr->pos.y());
+ if (d_ptr->hasTransform)
+ x = transform() * x;
+ return x.map(path);
}
/*!
@@ -5697,12 +5700,11 @@ void QGraphicsItem::removeFromIndex()
*/
void QGraphicsItem::prepareGeometryChange()
{
- if (!d_ptr->scene)
- return;
-
- d_ptr->updateHelper(QRectF(), false, /*maybeDirtyClipPath=*/!d_ptr->inSetPosHelper);
- QGraphicsScenePrivate *scenePrivate = d_ptr->scene->d_func();
- scenePrivate->removeFromIndex(this);
+ if (d_ptr->scene) {
+ d_ptr->updateHelper(QRectF(), false, /*maybeDirtyClipPath=*/!d_ptr->inSetPosHelper);
+ QGraphicsScenePrivate *scenePrivate = d_ptr->scene->d_func();
+ scenePrivate->removeFromIndex(this);
+ }
if (d_ptr->inSetPosHelper)
return;
diff --git a/tests/auto/qgraphicsitem/tst_qgraphicsitem.cpp b/tests/auto/qgraphicsitem/tst_qgraphicsitem.cpp
index 5dd7e1e..2d1be37 100644
--- a/tests/auto/qgraphicsitem/tst_qgraphicsitem.cpp
+++ b/tests/auto/qgraphicsitem/tst_qgraphicsitem.cpp
@@ -162,6 +162,8 @@ private slots:
void mapFromToParent();
void mapFromToScene();
void mapFromToItem();
+ void mapRectFromToParent_data();
+ void mapRectFromToParent();
void isAncestorOf();
void commonAncestorItem();
void data();
@@ -2515,6 +2517,87 @@ void tst_QGraphicsItem::mapFromToItem()
delete item4;
}
+void tst_QGraphicsItem::mapRectFromToParent_data()
+{
+ QTest::addColumn<bool>("parent");
+ QTest::addColumn<QPointF>("parentPos");
+ QTest::addColumn<QTransform>("parentTransform");
+ QTest::addColumn<QPointF>("pos");
+ QTest::addColumn<QTransform>("transform");
+ QTest::addColumn<QRectF>("inputRect");
+ QTest::addColumn<QRectF>("outputRect");
+
+ QTest::newRow("nil") << false << QPointF() << QTransform() << QPointF() << QTransform() << QRectF() << QRectF();
+ QTest::newRow("simple") << false << QPointF() << QTransform() << QPointF() << QTransform()
+ << QRectF(0, 0, 10, 10) << QRectF(0, 0, 10, 10);
+ QTest::newRow("simple w/parent") << true
+ << QPointF() << QTransform()
+ << QPointF() << QTransform()
+ << QRectF(0, 0, 10, 10) << QRectF(0, 0, 10, 10);
+ QTest::newRow("simple w/parent parentPos") << true
+ << QPointF(50, 50) << QTransform()
+ << QPointF() << QTransform()
+ << QRectF(0, 0, 10, 10) << QRectF(0, 0, 10, 10);
+ QTest::newRow("simple w/parent parentPos parentRotation") << true
+ << QPointF(50, 50) << QTransform().rotate(45)
+ << QPointF() << QTransform()
+ << QRectF(0, 0, 10, 10) << QRectF(0, 0, 10, 10);
+ QTest::newRow("pos w/parent") << true
+ << QPointF() << QTransform()
+ << QPointF(50, 50) << QTransform()
+ << QRectF(0, 0, 10, 10) << QRectF(50, 50, 10, 10);
+ QTest::newRow("rotation w/parent") << true
+ << QPointF() << QTransform()
+ << QPointF() << QTransform().rotate(90)
+ << QRectF(0, 0, 10, 10) << QRectF(-10, 0, 10, 10);
+ QTest::newRow("pos rotation w/parent") << true
+ << QPointF() << QTransform()
+ << QPointF(50, 50) << QTransform().rotate(90)
+ << QRectF(0, 0, 10, 10) << QRectF(40, 50, 10, 10);
+ QTest::newRow("pos rotation w/parent parentPos parentRotation") << true
+ << QPointF(-170, -190) << QTransform().rotate(90)
+ << QPointF(50, 50) << QTransform().rotate(90)
+ << QRectF(0, 0, 10, 10) << QRectF(40, 50, 10, 10);
+}
+
+void tst_QGraphicsItem::mapRectFromToParent()
+{
+ QFETCH(bool, parent);
+ QFETCH(QPointF, parentPos);
+ QFETCH(QTransform, parentTransform);
+ QFETCH(QPointF, pos);
+ QFETCH(QTransform, transform);
+ QFETCH(QRectF, inputRect);
+ QFETCH(QRectF, outputRect);
+
+ QGraphicsRectItem *rect = new QGraphicsRectItem;
+ rect->setPos(pos);
+ rect->setTransform(transform);
+
+ if (parent) {
+ QGraphicsRectItem *rectParent = new QGraphicsRectItem;
+ rect->setParentItem(rectParent);
+ rectParent->setPos(parentPos);
+ rectParent->setTransform(parentTransform);
+ }
+
+ // Make sure we use non-destructive transform operations (e.g., 90 degree
+ // rotations).
+ QCOMPARE(rect->mapRectToParent(inputRect), outputRect);
+ QCOMPARE(rect->mapRectFromParent(outputRect), inputRect);
+ QCOMPARE(rect->itemTransform(rect->parentItem()).mapRect(inputRect), outputRect);
+ QCOMPARE(rect->mapToParent(inputRect).boundingRect(), outputRect);
+ QCOMPARE(rect->mapToParent(QPolygonF(inputRect)).boundingRect(), outputRect);
+ QCOMPARE(rect->mapFromParent(outputRect).boundingRect(), inputRect);
+ QCOMPARE(rect->mapFromParent(QPolygonF(outputRect)).boundingRect(), inputRect);
+ QPainterPath inputPath;
+ inputPath.addRect(inputRect);
+ QPainterPath outputPath;
+ outputPath.addRect(outputRect);
+ QCOMPARE(rect->mapToParent(inputPath).boundingRect(), outputPath.boundingRect());
+ QCOMPARE(rect->mapFromParent(outputPath).boundingRect(), inputPath.boundingRect());
+}
+
void tst_QGraphicsItem::isAncestorOf()
{
QGraphicsItem *grandPa = new QGraphicsRectItem;
diff --git a/tests/auto/qgraphicsscene/tst_qgraphicsscene.cpp b/tests/auto/qgraphicsscene/tst_qgraphicsscene.cpp
index 91ed851..354d81a 100644
--- a/tests/auto/qgraphicsscene/tst_qgraphicsscene.cpp
+++ b/tests/auto/qgraphicsscene/tst_qgraphicsscene.cpp
@@ -245,6 +245,7 @@ private slots:
void task139782_containsItemBoundingRect();
void task176178_itemIndexMethodBreaksSceneRect();
void task160653_selectionChanged();
+ void task250680_childClip();
};
void tst_QGraphicsScene::initTestCase()
@@ -3384,6 +3385,31 @@ void tst_QGraphicsScene::task160653_selectionChanged()
QCOMPARE(spy.count(), 1);
}
+void tst_QGraphicsScene::task250680_childClip()
+{
+ QGraphicsRectItem *clipper = new QGraphicsRectItem;
+ clipper->setFlag(QGraphicsItem::ItemClipsChildrenToShape);
+ clipper->setPen(QPen(Qt::green));
+ clipper->setRect(200, 200, 640, 480);
+
+ QGraphicsRectItem *rect = new QGraphicsRectItem(clipper);
+ rect->setPen(QPen(Qt::red));
+ rect->setBrush(QBrush(QColor(255, 0, 0, 75)));
+ rect->setPos(320, 240);
+ rect->setRect(-25, -25, 50, 50);
+
+ QGraphicsScene scene;
+ scene.addItem(clipper);
+
+ QPainterPath path;
+ path.addRect(-25, -25, 50, 50);
+ QCOMPARE(rect->clipPath(), path);
+
+ QCOMPARE(scene.items(QRectF(320, 240, 5, 5)).size(), 2);
+ rect->rotate(45);
+ QCOMPARE(scene.items(QRectF(320, 240, 5, 5)).size(), 2);
+}
+
void tst_QGraphicsScene::sorting_data()
{
QTest::addColumn<bool>("cache");
generated by cgit v0.12 at 2024-12-28 17:17:39 (GMT)