| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause |
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| 3 | |
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| 4 | #include <QGraphicsEllipseItem> |
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| 5 | #include <QGraphicsScene> |
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| 6 | #include <QStyleOptionGraphicsItem> |
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| 7 | #include <QtGui> |
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| 8 | |
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| 9 | class CustomScene : public QGraphicsScene |
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| 10 | { |
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| 11 | public: |
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| 12 | CustomScene() |
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| 13 | { addItem(item: new QGraphicsEllipseItem(QRect(10, 10, 30, 30))); } |
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| 14 | |
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| 15 | void drawItems(QPainter *painter, int numItems, QGraphicsItem *items[], |
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| 16 | const QStyleOptionGraphicsItem options[], |
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| 17 | QWidget *widget = nullptr) override; |
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| 18 | }; |
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| 19 | |
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| 20 | //! [0] |
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| 21 | void CustomScene::drawItems(QPainter *painter, int numItems, |
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| 22 | QGraphicsItem *items[], |
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| 23 | const QStyleOptionGraphicsItem options[], |
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| 24 | QWidget *widget) |
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| 25 | { |
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| 26 | for (int i = 0; i < numItems; ++i) { |
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| 27 | // Draw the item |
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| 28 | painter->save(); |
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| 29 | painter->setTransform(transform: items[i]->sceneTransform(), combine: true); |
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| 30 | items[i]->paint(painter, option: &options[i], widget); |
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| 31 | painter->restore(); |
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| 32 | } |
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| 33 | } |
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| 34 | //! [0] |
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| 35 | |
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