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-rw-r--r--src/gui/painting/qpainterpath.cpp72
1 files changed, 40 insertions, 32 deletions
diff --git a/src/gui/painting/qpainterpath.cpp b/src/gui/painting/qpainterpath.cpp
index 48010c0a71..5b91266b64 100644
--- a/src/gui/painting/qpainterpath.cpp
+++ b/src/gui/painting/qpainterpath.cpp
@@ -1,31 +1,37 @@
/****************************************************************************
**
-** Copyright (C) 2015 The Qt Company Ltd.
-** Contact: http://www.qt.io/licensing/
+** 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.
**
-** $QT_BEGIN_LICENSE:LGPL21$
+** $QT_BEGIN_LICENSE:LGPL$
** 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 http://www.qt.io/terms-conditions. For further
-** information use the contact form at http://www.qt.io/contact-us.
+** 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 2.1 or version 3 as published by the Free
-** Software Foundation and appearing in the file LICENSE.LGPLv21 and
-** LICENSE.LGPLv3 included in the packaging of this file. Please review the
-** following information to ensure the GNU Lesser General Public License
-** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
-** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+** 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.
**
-** As a special exception, The Qt Company gives you certain additional
-** rights. These rights are described in The Qt Company LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+** 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.
**
** $QT_END_LICENSE$
**
@@ -684,7 +690,7 @@ void QPainterPath::moveTo(const QPointF &p)
d->require_moveTo = false;
- if (d->elements.last().type == MoveToElement) {
+ if (d->elements.constLast().type == MoveToElement) {
d->elements.last().x = p.x();
d->elements.last().y = p.y();
} else {
@@ -732,7 +738,7 @@ void QPainterPath::lineTo(const QPointF &p)
QPainterPathData *d = d_func();
Q_ASSERT(!d->elements.isEmpty());
d->maybeMoveTo();
- if (p == QPointF(d->elements.last()))
+ if (p == QPointF(d->elements.constLast()))
return;
Element elm = { p.x(), p.y(), LineToElement };
d->elements.append(elm);
@@ -795,7 +801,7 @@ void QPainterPath::cubicTo(const QPointF &c1, const QPointF &c2, const QPointF &
// Abort on empty curve as a stroker cannot handle this and the
// curve is irrelevant anyway.
- if (d->elements.last() == c1 && c1 == c2 && c2 == e)
+ if (d->elements.constLast() == c1 && c1 == c2 && c2 == e)
return;
d->maybeMoveTo();
@@ -978,7 +984,7 @@ QPointF QPainterPath::currentPosition() const
{
return !d_ptr || d_func()->elements.isEmpty()
? QPointF()
- : QPointF(d_func()->elements.last().x, d_func()->elements.last().y);
+ : QPointF(d_func()->elements.constLast().x, d_func()->elements.constLast().y);
}
@@ -1067,7 +1073,7 @@ void QPainterPath::addPolygon(const QPolygonF &polygon)
d_func()->elements.reserve(d_func()->elements.size() + polygon.size());
- moveTo(polygon.first());
+ moveTo(polygon.constFirst());
for (int i=1; i<polygon.size(); ++i) {
Element elm = { polygon.at(i).x(), polygon.at(i).y(), LineToElement };
d_func()->elements << elm;
@@ -1172,12 +1178,12 @@ void QPainterPath::addText(const QPointF &point, const QFont &f, const QString &
QVarLengthArray<int> visualOrder(nItems);
QVarLengthArray<uchar> levels(nItems);
for (int i = 0; i < nItems; ++i)
- levels[i] = eng->layoutData->items[i].analysis.bidiLevel;
+ levels[i] = eng->layoutData->items.at(i).analysis.bidiLevel;
QTextEngine::bidiReorder(nItems, levels.data(), visualOrder.data());
for (int i = 0; i < nItems; ++i) {
int item = visualOrder[i];
- QScriptItem &si = eng->layoutData->items[item];
+ const QScriptItem &si = eng->layoutData->items.at(item);
if (si.analysis.flags < QScriptAnalysis::TabOrObject) {
QGlyphLayout glyphs = eng->shapedGlyphs(&si);
@@ -1224,7 +1230,7 @@ void QPainterPath::addPath(const QPainterPath &other)
QPainterPathData *d = reinterpret_cast<QPainterPathData *>(d_func());
// Remove last moveto so we don't get multiple moveto's
- if (d->elements.last().type == MoveToElement)
+ if (d->elements.constLast().type == MoveToElement)
d->elements.remove(d->elements.size()-1);
// Locate where our own current subpath will start after the other path is added.
@@ -1255,7 +1261,7 @@ void QPainterPath::connectPath(const QPainterPath &other)
QPainterPathData *d = reinterpret_cast<QPainterPathData *>(d_func());
// Remove last moveto so we don't get multiple moveto's
- if (d->elements.last().type == MoveToElement)
+ if (d->elements.constLast().type == MoveToElement)
d->elements.remove(d->elements.size()-1);
// Locate where our own current subpath will start after the other path is added.
@@ -1267,7 +1273,7 @@ void QPainterPath::connectPath(const QPainterPath &other)
d->elements[first].type = LineToElement;
// avoid duplicate points
- if (first > 0 && QPointF(d->elements[first]) == QPointF(d->elements[first - 1])) {
+ if (first > 0 && QPointF(d->elements.at(first)) == QPointF(d->elements.at(first - 1))) {
d->elements.remove(first--);
--cStart;
}
@@ -1647,7 +1653,7 @@ QList<QPolygonF> QPainterPath::toFillPolygons(const QTransform &matrix) const
qDebug() << " bounds" << i << bounds.at(i);
#endif
- QVector< QList<int> > isects;
+ QVector< QVector<int> > isects;
isects.resize(count);
// find all intersections
@@ -1675,13 +1681,14 @@ QList<QPolygonF> QPainterPath::toFillPolygons(const QTransform &matrix) const
// flatten the sets of intersections
for (int i=0; i<count; ++i) {
- const QList<int> &current_isects = isects.at(i);
+ const QVector<int> &current_isects = isects.at(i);
for (int j=0; j<current_isects.size(); ++j) {
int isect_j = current_isects.at(j);
if (isect_j == i)
continue;
- for (int k=0; k<isects[isect_j].size(); ++k) {
- int isect_k = isects[isect_j][k];
+ const QVector<int> &isects_j = isects.at(isect_j);
+ for (int k = 0, size = isects_j.size(); k < size; ++k) {
+ int isect_k = isects_j.at(k);
if (isect_k != i && !isects.at(i).contains(isect_k)) {
isects[i] += isect_k;
}
@@ -1703,7 +1710,7 @@ QList<QPolygonF> QPainterPath::toFillPolygons(const QTransform &matrix) const
// Join the intersected subpaths as rewinded polygons
for (int i=0; i<count; ++i) {
- const QList<int> &subpath_list = isects[i];
+ const QVector<int> &subpath_list = isects.at(i);
if (!subpath_list.isEmpty()) {
QPolygonF buildUp;
for (int j=0; j<subpath_list.size(); ++j) {
@@ -1712,7 +1719,7 @@ QList<QPolygonF> QPainterPath::toFillPolygons(const QTransform &matrix) const
if (!subpath.isClosed())
buildUp += subpath.first();
if (!buildUp.isClosed())
- buildUp += buildUp.first();
+ buildUp += buildUp.constFirst();
}
polys += buildUp;
}
@@ -1856,6 +1863,8 @@ bool QPainterPath::contains(const QPointF &pt) const
: ((winding_number % 2) != 0));
}
+enum PainterDirections { Left, Right, Top, Bottom };
+
static bool qt_painterpath_isect_line_rect(qreal x1, qreal y1, qreal x2, qreal y2,
const QRectF &rect)
{
@@ -1864,7 +1873,6 @@ static bool qt_painterpath_isect_line_rect(qreal x1, qreal y1, qreal x2, qreal y
qreal top = rect.top();
qreal bottom = rect.bottom();
- enum { Left, Right, Top, Bottom };
// clip the lines, after cohen-sutherland, see e.g. http://www.nondot.org/~sabre/graphpro/line6.html
int p1 = ((x1 < left) << Left)
| ((x1 > right) << Right)
@@ -2783,7 +2791,7 @@ void QPainterPathStroker::setDashOffset(qreal offset)
QPolygonF QPainterPath::toFillPolygon(const QTransform &matrix) const
{
- QList<QPolygonF> flats = toSubpathPolygons(matrix);
+ const QList<QPolygonF> flats = toSubpathPolygons(matrix);
QPolygonF polygon;
if (flats.isEmpty())
return polygon;