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-rw-r--r--src/gui/painting/qpathsimplifier.cpp104
1 files changed, 37 insertions, 67 deletions
diff --git a/src/gui/painting/qpathsimplifier.cpp b/src/gui/painting/qpathsimplifier.cpp
index 4251840bbc..969308f0bb 100644
--- a/src/gui/painting/qpathsimplifier.cpp
+++ b/src/gui/painting/qpathsimplifier.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 "qpathsimplifier_p.h"
@@ -44,7 +8,9 @@
#include <QtCore/qpoint.h>
#include <QtCore/qalgorithms.h>
-#include <private/qopengl_p.h>
+#if QT_CONFIG(opengl)
+# include <private/qopengl_p.h>
+#endif
#include <private/qrbtree_p.h>
QT_BEGIN_NAMESPACE
@@ -339,6 +305,7 @@ private:
Type type;
Element *element;
};
+ friend class QTypeInfo<Event>;
typedef QRBTree<Element *>::Node RBNode;
typedef BoundingVolumeHierarchy::Node BVHNode;
@@ -377,9 +344,13 @@ private:
uint m_hints;
};
+} // unnamed namespace
+
+Q_DECLARE_TYPEINFO(PathSimplifier::Event, Q_PRIMITIVE_TYPE);
+
inline PathSimplifier::BoundingVolumeHierarchy::BoundingVolumeHierarchy()
- : root(0)
- , nodeBlock(0)
+ : root(nullptr)
+ , nodeBlock(nullptr)
, blockSize(0)
, firstFree(0)
{
@@ -392,7 +363,7 @@ inline PathSimplifier::BoundingVolumeHierarchy::~BoundingVolumeHierarchy()
inline void PathSimplifier::BoundingVolumeHierarchy::allocate(int nodeCount)
{
- Q_ASSERT(nodeBlock == 0);
+ Q_ASSERT(nodeBlock == nullptr);
Q_ASSERT(firstFree == 0);
nodeBlock = new Node[blockSize = nodeCount];
}
@@ -401,9 +372,9 @@ inline void PathSimplifier::BoundingVolumeHierarchy::free()
{
freeNode(root);
delete[] nodeBlock;
- nodeBlock = 0;
+ nodeBlock = nullptr;
firstFree = blockSize = 0;
- root = 0;
+ root = nullptr;
}
inline PathSimplifier::BVHNode *PathSimplifier::BoundingVolumeHierarchy::newNode()
@@ -427,7 +398,7 @@ inline void PathSimplifier::BoundingVolumeHierarchy::freeNode(Node *n)
}
inline PathSimplifier::ElementAllocator::ElementAllocator()
- : blocks(0)
+ : blocks(nullptr)
{
}
@@ -442,11 +413,11 @@ inline PathSimplifier::ElementAllocator::~ElementAllocator()
inline void PathSimplifier::ElementAllocator::allocate(int count)
{
- Q_ASSERT(blocks == 0);
+ Q_ASSERT(blocks == nullptr);
Q_ASSERT(count > 0);
blocks = (ElementBlock *)malloc(sizeof(ElementBlock) + (count - 1) * sizeof(Element));
blocks->blockSize = count;
- blocks->next = 0;
+ blocks->next = nullptr;
blocks->firstFree = 0;
}
@@ -479,7 +450,7 @@ inline void PathSimplifier::Element::flip()
qSwap(indices[i], indices[degree - i]);
}
pointingUp = !pointingUp;
- Q_ASSERT(next == 0 && previous == 0);
+ Q_ASSERT(next == nullptr && previous == nullptr);
}
PathSimplifier::PathSimplifier(const QVectorPath &path, QDataBuffer<QPoint> &vertices,
@@ -685,9 +656,9 @@ void PathSimplifier::connectElements()
QDataBuffer<Event> events(m_elements.size() * 2);
for (int i = 0; i < m_elements.size(); ++i) {
Element *element = m_elements.at(i);
- element->next = element->previous = 0;
+ element->next = element->previous = nullptr;
element->winding = 0;
- element->edgeNode = 0;
+ element->edgeNode = nullptr;
const QPoint &u = m_points->at(element->indices[0]);
const QPoint &v = m_points->at(element->indices[element->degree]);
if (u != v) {
@@ -730,7 +701,7 @@ void PathSimplifier::connectElements()
Element *element2 = event2->element;
element->edgeNode->data = event2->element;
element2->edgeNode = element->edgeNode;
- element->edgeNode = 0;
+ element->edgeNode = nullptr;
events.pop_back();
events.pop_back();
@@ -783,8 +754,8 @@ void PathSimplifier::connectElements()
Element *upperElement = m_elementAllocator.newElement();
*upperElement = *element;
upperElement->lowerIndex() = element->upperIndex() = pointIndex;
- upperElement->edgeNode = 0;
- element->next = element->previous = 0;
+ upperElement->edgeNode = nullptr;
+ element->next = element->previous = nullptr;
if (upperElement->next)
upperElement->next->previous = upperElement;
else if (upperElement->previous)
@@ -805,7 +776,7 @@ void PathSimplifier::connectElements()
RBNode *left = findElementLeftOf(event->element, bounds);
RBNode *node = m_elementList.newNode();
node->data = event->element;
- Q_ASSERT(event->element->edgeNode == 0);
+ Q_ASSERT(event->element->edgeNode == nullptr);
event->element->edgeNode = node;
m_elementList.attachAfter(left, node);
} else {
@@ -814,7 +785,7 @@ void PathSimplifier::connectElements()
Element *element = event->element;
Q_ASSERT(element->edgeNode);
m_elementList.deleteNode(element->edgeNode);
- Q_ASSERT(element->edgeNode == 0);
+ Q_ASSERT(element->edgeNode == nullptr);
}
events.pop_back();
}
@@ -870,8 +841,8 @@ void PathSimplifier::connectElements()
Q_ASSERT(i + 1 < orderedElements.size());
Element *next = orderedElements.at(i);
Element *previous = orderedElements.at(i + 1);
- Q_ASSERT(next->previous == 0);
- Q_ASSERT(previous->next == 0);
+ Q_ASSERT(next->previous == nullptr);
+ Q_ASSERT(previous->next == nullptr);
next->previous = previous;
previous->next = next;
}
@@ -880,9 +851,9 @@ void PathSimplifier::connectElements()
#ifndef QT_NO_DEBUG
for (int i = 0; i < m_elements.size(); ++i) {
const Element *element = m_elements.at(i);
- Q_ASSERT(element->next == 0 || element->next->previous == element);
- Q_ASSERT(element->previous == 0 || element->previous->next == element);
- Q_ASSERT((element->next == 0) == (element->previous == 0));
+ Q_ASSERT(element->next == nullptr || element->next->previous == element);
+ Q_ASSERT(element->previous == nullptr || element->previous->next == element);
+ Q_ASSERT((element->next == nullptr) == (element->previous == nullptr));
}
#endif
}
@@ -893,7 +864,7 @@ void PathSimplifier::fillIndices()
m_elements.at(i)->processed = false;
for (int i = 0; i < m_elements.size(); ++i) {
Element *element = m_elements.at(i);
- if (element->processed || element->next == 0)
+ if (element->processed || element->next == nullptr)
continue;
do {
m_indices->add(element->indices[0]);
@@ -1395,13 +1366,13 @@ PathSimplifier::RBNode *PathSimplifier::findElementLeftOf(const Element *element
const QPair<RBNode *, RBNode *> &bounds)
{
if (!m_elementList.root)
- return 0;
+ return nullptr;
RBNode *current = bounds.first;
Q_ASSERT(!current || !elementIsLeftOf(element, current->data));
if (!current)
current = m_elementList.front(m_elementList.root);
Q_ASSERT(current);
- RBNode *result = 0;
+ RBNode *result = nullptr;
while (current != bounds.second && !elementIsLeftOf(element, current->data)) {
result = current;
current = m_elementList.next(current);
@@ -1442,7 +1413,7 @@ bool PathSimplifier::elementIsLeftOf(const Element *left, const Element *right)
QPair<PathSimplifier::RBNode *, PathSimplifier::RBNode *> PathSimplifier::outerBounds(const QPoint &point)
{
RBNode *current = m_elementList.root;
- QPair<RBNode *, RBNode *> result(0, 0);
+ QPair<RBNode *, RBNode *> result(nullptr, nullptr);
while (current) {
const Element *element = current->data;
@@ -1650,9 +1621,6 @@ void PathSimplifier::sortEvents(Event *events, int count)
}
}
-} // end anonymous namespace
-
-
void qSimplifyPath(const QVectorPath &path, QDataBuffer<QPoint> &vertices,
QDataBuffer<quint32> &indices, const QTransform &matrix)
{
@@ -1667,3 +1635,5 @@ void qSimplifyPath(const QPainterPath &path, QDataBuffer<QPoint> &vertices,
QT_END_NAMESPACE
+
+#undef Q_FIXED_POINT_SCALE