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-rw-r--r--src/gui/painting/qpainterpath.cpp107
1 files changed, 21 insertions, 86 deletions
diff --git a/src/gui/painting/qpainterpath.cpp b/src/gui/painting/qpainterpath.cpp
index 38acc66ba4..8d23d167b0 100644
--- a/src/gui/painting/qpainterpath.cpp
+++ b/src/gui/painting/qpainterpath.cpp
@@ -1,41 +1,5 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the QtGui 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 "qpainterpath.h"
#include "qpainterpath_p.h"
@@ -88,15 +52,6 @@ static bool hasValidCoords(QRectF r)
return isValidCoord(r.x()) && isValidCoord(r.y()) && isValidCoord(r.width()) && isValidCoord(r.height());
}
-struct QPainterPathPrivateDeleter
-{
- static inline void cleanup(QPainterPathPrivate *d)
- {
- if (d && !d->ref.deref())
- delete d;
- }
-};
-
// This value is used to determine the length of control point vectors
// when approximating arc segments as curves. The factor is multiplied
// with the radius of the circle.
@@ -554,12 +509,7 @@ QPainterPath::QPainterPath() noexcept
\sa operator=()
*/
-QPainterPath::QPainterPath(const QPainterPath &other)
- : d_ptr(other.d_ptr.data())
-{
- if (d_ptr)
- d_ptr->ref.ref();
-}
+QPainterPath::QPainterPath(const QPainterPath &other) = default;
/*!
Creates a QPainterPath object with the given \a startPoint as its
@@ -567,31 +517,19 @@ QPainterPath::QPainterPath(const QPainterPath &other)
*/
QPainterPath::QPainterPath(const QPointF &startPoint)
- : d_ptr(new QPainterPathPrivate)
+ : d_ptr(new QPainterPathPrivate(startPoint))
{
- Element e = { startPoint.x(), startPoint.y(), MoveToElement };
- d_func()->elements << e;
}
void QPainterPath::detach()
{
- if (d_ptr->ref.loadRelaxed() != 1)
- detach_helper();
+ d_ptr.detach();
setDirty(true);
}
/*!
\internal
*/
-void QPainterPath::detach_helper()
-{
- QPainterPathPrivate *data = new QPainterPathPrivate(*d_func());
- d_ptr.reset(data);
-}
-
-/*!
- \internal
-*/
void QPainterPath::ensureData_helper()
{
QPainterPathPrivate *data = new QPainterPathPrivate;
@@ -611,12 +549,8 @@ void QPainterPath::ensureData_helper()
*/
QPainterPath &QPainterPath::operator=(const QPainterPath &other)
{
- if (other.d_func() != d_func()) {
- QPainterPathPrivate *data = other.d_func();
- if (data)
- data->ref.ref();
- d_ptr.reset(data);
- }
+ QPainterPath copy(other);
+ swap(copy);
return *this;
}
@@ -1199,6 +1133,9 @@ void QPainterPath::addEllipse(const QRectF &boundingRect)
that the left end of the text's baseline lies at the specified \a
point.
+ Some fonts may yield overlapping subpaths and will require the
+ \c Qt::WindingFill fill rule for correct rendering.
+
\table 100%
\row
\li \inlineimage qpainterpath-addtext.png
@@ -1207,7 +1144,7 @@ void QPainterPath::addEllipse(const QRectF &boundingRect)
\endtable
\sa QPainter::drawText(), {QPainterPath#Composing a
- QPainterPath}{Composing a QPainterPath}
+ QPainterPath}{Composing a QPainterPath}, setFillRule()
*/
void QPainterPath::addText(const QPointF &point, const QFont &f, const QString &text)
{
@@ -1250,7 +1187,7 @@ void QPainterPath::addText(const QPointF &point, const QFont &f, const QString &
if (si.analysis.flags < QScriptAnalysis::TabOrObject) {
QGlyphLayout glyphs = eng->shapedGlyphs(&si);
- QFontEngine *fe = f.d->engineForScript(si.analysis.script);
+ QFontEngine *fe = eng->fontEngine(si);
Q_ASSERT(fe);
fe->addOutlineToPath(x, y, glyphs, this,
si.analysis.bidiLevel % 2
@@ -1369,7 +1306,7 @@ void QPainterPath::addRegion(const QRegion &region)
*/
Qt::FillRule QPainterPath::fillRule() const
{
- return isEmpty() ? Qt::OddEvenFill : d_func()->fillRule;
+ return !d_func() ? Qt::OddEvenFill : d_func()->fillRule;
}
/*!
@@ -1552,7 +1489,7 @@ QRectF QPainterPath::controlPointRect() const
bool QPainterPath::isEmpty() const
{
- return !d_ptr || (d_ptr->elements.size() == 1 && d_ptr->elements.first().type == MoveToElement);
+ return !d_ptr || (d_ptr->elements.size() == 1 && d_ptr->elements.constFirst().type == MoveToElement);
}
/*!
@@ -2154,7 +2091,7 @@ bool QPainterPath::intersects(const QRectF &rect) const
Q_D(QPainterPath);
- // Check if the rectangle surounds any subpath...
+ // Check if the rectangle surrounds any subpath...
for (int i=0; i<d->elements.size(); ++i) {
const Element &e = d->elements.at(i);
if (e.type == QPainterPath::MoveToElement && rect.contains(e))
@@ -2505,14 +2442,14 @@ QDataStream &operator>>(QDataStream &s, QPainterPath &p)
int size;
s >> size;
- if (size == 0)
+ if (size == 0) {
+ p = {};
return s;
+ }
p.ensureData(); // in case if p.d_func() == 0
- if (p.d_func()->elements.size() == 1) {
- Q_ASSERT(p.d_func()->elements.at(0).type == QPainterPath::MoveToElement);
- p.d_func()->elements.clear();
- }
+ p.detach();
+ p.d_func()->elements.clear();
for (int i=0; i<size; ++i) {
int type;
double x, y;
@@ -2535,9 +2472,7 @@ QDataStream &operator>>(QDataStream &s, QPainterPath &p)
s >> fillRule;
Q_ASSERT(fillRule == Qt::OddEvenFill || fillRule == Qt::WindingFill);
p.d_func()->fillRule = Qt::FillRule(fillRule);
- p.d_func()->dirtyBounds = true;
- p.d_func()->dirtyControlBounds = true;
- if (errorDetected)
+ if (errorDetected || p.d_func()->elements.isEmpty())
p = QPainterPath(); // Better than to return path with possibly corrupt datastructure, which would likely cause crash
return s;
}