/**************************************************************************** | |
** | |
** 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 QtOpenGL 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. | |
** | |
** | |
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** $QT_END_LICENSE$ | |
** | |
****************************************************************************/ | |
// | |
// 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. | |
// | |
#ifndef QGL2PEXVERTEXARRAY_P_H | |
#define QGL2PEXVERTEXARRAY_P_H | |
#include <QRectF> | |
#include <private/qdatabuffer_p.h> | |
#include <private/qvectorpath_p.h> | |
#include <private/qgl_p.h> | |
QT_BEGIN_NAMESPACE | |
class QGLPoint | |
{ | |
public: | |
QGLPoint(GLfloat new_x, GLfloat new_y) : | |
x(new_x), y(new_y) {}; | |
QGLPoint(const QPointF &p) : | |
x(p.x()), y(p.y()) {}; | |
QGLPoint(const QPointF* p) : | |
x(p->x()), y(p->y()) {}; | |
GLfloat x; | |
GLfloat y; | |
operator QPointF() {return QPointF(x,y);} | |
operator QPointF() const {return QPointF(x,y);} | |
}; | |
struct QGLRect | |
{ | |
QGLRect(const QRectF &r) | |
: left(r.left()), top(r.top()), right(r.right()), bottom(r.bottom()) {} | |
QGLRect(GLfloat l, GLfloat t, GLfloat r, GLfloat b) | |
: left(l), top(t), right(r), bottom(b) {} | |
GLfloat left; | |
GLfloat top; | |
GLfloat right; | |
GLfloat bottom; | |
operator QRectF() const {return QRectF(left, top, right-left, bottom-top);} | |
}; | |
class QGL2PEXVertexArray | |
{ | |
public: | |
QGL2PEXVertexArray() : | |
vertexArray(0), vertexArrayStops(0), | |
maxX(-2e10), maxY(-2e10), minX(2e10), minY(2e10), | |
boundingRectDirty(true) | |
{ } | |
inline void addRect(const QRectF &rect) | |
{ | |
qreal top = rect.top(); | |
qreal left = rect.left(); | |
qreal bottom = rect.bottom(); | |
qreal right = rect.right(); | |
vertexArray << QGLPoint(left, top) | |
<< QGLPoint(right, top) | |
<< QGLPoint(right, bottom) | |
<< QGLPoint(right, bottom) | |
<< QGLPoint(left, bottom) | |
<< QGLPoint(left, top); | |
} | |
inline void addQuad(const QRectF &rect) | |
{ | |
qreal top = rect.top(); | |
qreal left = rect.left(); | |
qreal bottom = rect.bottom(); | |
qreal right = rect.right(); | |
vertexArray << QGLPoint(left, top) | |
<< QGLPoint(right, top) | |
<< QGLPoint(left, bottom) | |
<< QGLPoint(right, bottom); | |
} | |
inline void addVertex(const GLfloat x, const GLfloat y) | |
{ | |
vertexArray.add(QGLPoint(x, y)); | |
} | |
void addPath(const QVectorPath &path, GLfloat curveInverseScale, bool outline = true); | |
void clear(); | |
QGLPoint* data() {return vertexArray.data();} | |
int *stops() const { return vertexArrayStops.data(); } | |
int stopCount() const { return vertexArrayStops.size(); } | |
QGLRect boundingRect() const; | |
int vertexCount() const { return vertexArray.size(); } | |
void lineToArray(const GLfloat x, const GLfloat y); | |
private: | |
QDataBuffer<QGLPoint> vertexArray; | |
QDataBuffer<int> vertexArrayStops; | |
GLfloat maxX; | |
GLfloat maxY; | |
GLfloat minX; | |
GLfloat minY; | |
bool boundingRectDirty; | |
void addClosingLine(int index); | |
void addCentroid(const QVectorPath &path, int subPathIndex); | |
}; | |
QT_END_NAMESPACE | |
#endif |