diff options
Diffstat (limited to 'src/threed/textures/qareaallocator.h')
-rw-r--r-- | src/threed/textures/qareaallocator.h | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/src/threed/textures/qareaallocator.h b/src/threed/textures/qareaallocator.h deleted file mode 100644 index f861b500..00000000 --- a/src/threed/textures/qareaallocator.h +++ /dev/null @@ -1,169 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the QtQuick3D module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** This file may be used under the terms of the GNU Lesser General Public -** License version 2.1 as published by the Free Software Foundation and -** appearing in the file LICENSE.LGPL included in the packaging of this -** file. Please review the following information to ensure the GNU Lesser -** General Public License version 2.1 requirements will be met: -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt 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 3.0 as published by the Free Software Foundation -** and appearing in the file LICENSE.GPL included in the packaging of this -** file. Please review the following information to ensure the GNU General -** Public License version 3.0 requirements will be met: -** http://www.gnu.org/copyleft/gpl.html. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef QAREAALLOCATOR_P_H -#define QAREAALLOCATOR_P_H - -// -// W A R N I N G -// ------------- -// -// This file is not part of the Qt API. It exists purely as an -// implementation detail. This header file may change from version to -// version without notice, or even be removed. -// -// We mean it. -// - -#include "qt3dglobal.h" -#include <QtCore/qsize.h> -#include <QtCore/qrect.h> -#include <QtCore/qlist.h> - -QT_BEGIN_HEADER - -QT_BEGIN_NAMESPACE - -QT_MODULE(Qt3D) - -class Q_QT3D_EXPORT QAreaAllocator -{ -public: - QAreaAllocator(const QSize &size); - virtual ~QAreaAllocator(); - - QSize size() const { return m_size; } - - QSize minimumAllocation() const { return m_minAlloc; } - void setMinimumAllocation(const QSize &size) { m_minAlloc = size; } - - QSize margin() const { return m_margin; } - void setMargin(const QSize &margin) { m_margin = margin; } - - virtual void expand(const QSize &size); - void expandBy(const QSize &size); - - virtual QRect allocate(const QSize &size) = 0; - virtual QList<QRect> allocate(const QList<QSize> &sizes); - virtual void release(const QRect &rect); - virtual void release(const QList<QRect> &rects); - - virtual int overhead() const; - -protected: - QSize m_size; - QSize m_minAlloc; - QSize m_margin; - - QSize roundAllocation(const QSize &size) const; -}; - -class Q_QT3D_EXPORT QSimpleAreaAllocator : public QAreaAllocator -{ -public: - QSimpleAreaAllocator(const QSize &size); - virtual ~QSimpleAreaAllocator(); - - QRect allocate(const QSize &size); - -private: - int m_row; - int m_column; - int m_rowHeight; -}; - -class Q_QT3D_EXPORT QGeneralAreaAllocator : public QAreaAllocator -{ -public: - QGeneralAreaAllocator(const QSize &size); - virtual ~QGeneralAreaAllocator(); - - void expand(const QSize &size); - QRect allocate(const QSize &size); - void release(const QRect &rect); - int overhead() const; - -private: - enum Split { SplitOnX, SplitOnY }; - - struct Node - { - QRect rect; - QSize largestFree; - Node *parent; - Node *left; - Node *right; - }; - - Node *m_root; - int m_nodeCount; - - static void freeNode(Node *node); - QPoint allocateFromNode(const QSize &size, Node *node); - Node *splitNode(Node *node, Split split); - static void updateLargestFree(Node *node); -}; - -class Q_QT3D_EXPORT QUniformAreaAllocator : public QAreaAllocator -{ -public: - QUniformAreaAllocator(const QSize &size, const QSize &uniformSize); - virtual ~QUniformAreaAllocator(); - - QSize uniformSize() const { return m_uniformSize; } - - void expand(const QSize &size); - QRect allocate(const QSize &size); - void release(const QRect &rect); - int overhead() const; - -private: - QSize m_uniformSize; - QSize m_gridSize; - int *m_grid; - int m_firstFree; -}; - -QT_END_NAMESPACE - -QT_END_HEADER - -#endif |