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Diffstat (limited to 'src/opengl/gl2paintengineex/qgl2pexvertexarray_p.h')
| -rw-r--r-- | src/opengl/gl2paintengineex/qgl2pexvertexarray_p.h | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/src/opengl/gl2paintengineex/qgl2pexvertexarray_p.h b/src/opengl/gl2paintengineex/qgl2pexvertexarray_p.h new file mode 100644 index 0000000000..c205022a91 --- /dev/null +++ b/src/opengl/gl2paintengineex/qgl2pexvertexarray_p.h @@ -0,0 +1,121 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtOpenGL module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 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 1.0, 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. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +// +// 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. +// + +#include <QRectF> + +#include <private/qdatabuffer_p.h> +#include <private/qvectorpath_p.h> +#include <private/qgl_p.h> + +class QGLPoint +{ +public: + QGLPoint(GLfloat new_x, GLfloat new_y) : + x(new_x), y(new_y) {}; + + QGLPoint(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(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() {return QRectF(left, top, right-left, bottom-top);} +}; + +class QGL2PEXVertexArray +{ +public: + QGL2PEXVertexArray() : + maxX(-2e10), maxY(-2e10), minX(2e10), minY(2e10), + boundingRectDirty(true) {} + + void addPath(const QVectorPath &path, GLfloat curveInverseScale); + void clear(); + + QGLPoint* data() {return vertexArray.data();} + QVector<int>& stops() {return vertexArrayStops;} + QGLRect boundingRect() const; + + void lineToArray(const GLfloat x, const GLfloat y); + +private: + QDataBuffer<QGLPoint> vertexArray; + QVector<int> vertexArrayStops; + + GLfloat maxX; + GLfloat maxY; + GLfloat minX; + GLfloat minY; + bool boundingRectDirty; + + inline void curveToArray(const QGLPoint &cp1, const QGLPoint &cp2, const QGLPoint &ep, GLfloat inverseScale); +}; |