diff options
Diffstat (limited to 'src/svg/qsvgtinydocument.cpp')
| -rw-r--r-- | src/svg/qsvgtinydocument.cpp | 59 |
1 files changed, 15 insertions, 44 deletions
diff --git a/src/svg/qsvgtinydocument.cpp b/src/svg/qsvgtinydocument.cpp index 63d0797..49a796c 100644 --- a/src/svg/qsvgtinydocument.cpp +++ b/src/svg/qsvgtinydocument.cpp @@ -1,41 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the Qt SVG module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** 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 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. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only #include "qsvgtinydocument_p.h" @@ -202,7 +166,7 @@ QSvgTinyDocument * QSvgTinyDocument::load(const QString &fileName) return load(qt_inflateSvgzDataFrom(&file)); } - QSvgTinyDocument *doc = 0; + QSvgTinyDocument *doc = nullptr; QSvgHandler handler(&file); if (handler.ok()) { doc = handler.document(); @@ -248,7 +212,7 @@ QSvgTinyDocument * QSvgTinyDocument::load(QXmlStreamReader *contents) { QSvgHandler handler(contents); - QSvgTinyDocument *doc = 0; + QSvgTinyDocument *doc = nullptr; if (handler.ok()) { doc = handler.document(); doc->m_animationDuration = handler.animationDuration(); @@ -433,8 +397,16 @@ void QSvgTinyDocument::draw(QPainter *p, QSvgExtraStates &) draw(p); } +static bool isValidMatrix(const QTransform &transform) +{ + qreal determinant = transform.determinant(); + return qIsFinite(determinant); +} + void QSvgTinyDocument::mapSourceToTarget(QPainter *p, const QRectF &targetRect, const QRectF &sourceRect) { + QTransform oldTransform = p->worldTransform(); + QRectF target = targetRect; if (target.isEmpty()) { QPaintDevice *dev = p->device(); @@ -454,10 +426,8 @@ void QSvgTinyDocument::mapSourceToTarget(QPainter *p, const QRectF &targetRect, source = viewBox(); if (source != target && !qFuzzyIsNull(source.width()) && !qFuzzyIsNull(source.height())) { -#if (QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)) if (m_implicitViewBox || !preserveAspectRatio()) { // Code path used when no view box is set, or IgnoreAspectRatio requested -#endif QTransform transform; transform.scale(target.width() / source.width(), target.height() / source.height()); @@ -466,7 +436,6 @@ void QSvgTinyDocument::mapSourceToTarget(QPainter *p, const QRectF &targetRect, target.y() - c2.y()); p->scale(target.width() / source.width(), target.height() / source.height()); -#if (QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)) } else { // Code path used when KeepAspectRatio is requested. This attempts to emulate the default values // of the <preserveAspectRatio tag that's implicitly defined when <viewbox> is used. @@ -485,8 +454,10 @@ void QSvgTinyDocument::mapSourceToTarget(QPainter *p, const QRectF &targetRect, // Apply the view box translation if specified. p->translate(-source.x(), -source.y()); } -#endif } + + if (!isValidMatrix(p->worldTransform())) + p->setWorldTransform(oldTransform); } QRectF QSvgTinyDocument::boundsOnElement(const QString &id) const |