summaryrefslogtreecommitdiffstats
path: root/src/opengl/gl2paintengineex/qgl2pexvertexarray_p.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/opengl/gl2paintengineex/qgl2pexvertexarray_p.h')
-rw-r--r--src/opengl/gl2paintengineex/qgl2pexvertexarray_p.h121
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 0000000..c205022
--- /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);
+};