diff options
Diffstat (limited to 'src/widgets/graphicsview/qgraphicsview.cpp')
| -rw-r--r-- | src/widgets/graphicsview/qgraphicsview.cpp | 51 |
1 files changed, 28 insertions, 23 deletions
diff --git a/src/widgets/graphicsview/qgraphicsview.cpp b/src/widgets/graphicsview/qgraphicsview.cpp index 2a96938d80..e1ff2c932e 100644 --- a/src/widgets/graphicsview/qgraphicsview.cpp +++ b/src/widgets/graphicsview/qgraphicsview.cpp @@ -1,12 +1,11 @@ /**************************************************************************** ** -** Copyright (C) 2021 The Qt Company Ltd. +** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtWidgets module of the Qt Toolkit. ** -** $QT_BEGIN_LICENSE:COMM$ -** +** $QT_BEGIN_LICENSE:LGPL$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the @@ -15,25 +14,26 @@ ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** -** $QT_END_LICENSE$ -** -** -** -** -** -** -** -** -** -** -** -** -** -** -** -** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. ** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** 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-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. ** +** $QT_END_LICENSE$ ** ****************************************************************************/ @@ -107,7 +107,7 @@ static const int QGRAPHICSVIEW_PREALLOC_STYLE_OPTIONS = 503; // largest prime < the events and reacts to them. For example, if you click on a selectable item, the item will typically let the scene know that it has been selected, and it will also redraw itself to display a selection - rectangle. Similiary, if you click and drag the mouse to move a movable + rectangle. Similarly, if you click and drag the mouse to move a movable item, it's the item that handles the mouse moves and moves itself. Item interaction is enabled by default, and you can toggle it by calling setInteractive(). @@ -3773,7 +3773,12 @@ void QGraphicsView::drawBackground(QPainter *painter, const QRectF &rect) return; } + const bool wasAa = painter->testRenderHint(QPainter::Antialiasing); + if (wasAa) + painter->setRenderHints(QPainter::Antialiasing, false); painter->fillRect(rect, d->backgroundBrush); + if (wasAa) + painter->setRenderHints(QPainter::Antialiasing, true); } /*! @@ -3877,7 +3882,7 @@ bool QGraphicsView::isTransformed() const otherwise, \a matrix \e replaces the current matrix. \a combine is false by default. - The transformation matrix tranforms the scene into view coordinates. Using + The transformation matrix transforms the scene into view coordinates. Using the default transformation, provided by the identity matrix, one pixel in the view represents one unit in the scene (e.g., a 10x10 rectangular item is drawn using 10x10 pixels in the view). If a 2x2 scaling matrix is @@ -3891,7 +3896,7 @@ bool QGraphicsView::isTransformed() const To simplify interation with items using a transformed view, QGraphicsView provides mapTo... and mapFrom... functions that can translate between scene and view coordinates. For example, you can call mapToScene() to map - a view coordiate to a floating point scene coordinate, or mapFromScene() + a view coordinate to a floating point scene coordinate, or mapFromScene() to map from floating point scene coordinates to view coordinates. \sa transform(), rotate(), scale(), shear(), translate() |