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Diffstat (limited to 'src/opengl/gl2paintengineex/qtriangulatingstroker_p.h')
| -rw-r--r-- | src/opengl/gl2paintengineex/qtriangulatingstroker_p.h | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/src/opengl/gl2paintengineex/qtriangulatingstroker_p.h b/src/opengl/gl2paintengineex/qtriangulatingstroker_p.h deleted file mode 100644 index 0d690dc5b6..0000000000 --- a/src/opengl/gl2paintengineex/qtriangulatingstroker_p.h +++ /dev/null @@ -1,157 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/ -** -** 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. -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef QTRIANGULATINGSTROKER_P_H -#define QTRIANGULATINGSTROKER_P_H - -#include <private/qdatabuffer_p.h> -#include <qvarlengtharray.h> -#include <private/qvectorpath_p.h> -#include <private/qbezier_p.h> -#include <private/qnumeric_p.h> -#include <private/qmath_p.h> - -QT_BEGIN_NAMESPACE - -class QTriangulatingStroker -{ -public: - QTriangulatingStroker() : m_vertices(0) {} - void process(const QVectorPath &path, const QPen &pen, const QRectF &clip); - - inline int vertexCount() const { return m_vertices.size(); } - inline const float *vertices() const { return m_vertices.data(); } - - inline void setInvScale(qreal invScale) { m_inv_scale = invScale; } - -private: - inline void emitLineSegment(float x, float y, float nx, float ny); - void moveTo(const qreal *pts); - inline void lineTo(const qreal *pts); - void cubicTo(const qreal *pts); - void join(const qreal *pts); - inline void normalVector(float x1, float y1, float x2, float y2, float *nx, float *ny); - void endCap(const qreal *pts); - void arcPoints(float cx, float cy, float fromX, float fromY, float toX, float toY, QVarLengthArray<float> &points); - void endCapOrJoinClosed(const qreal *start, const qreal *cur, bool implicitClose, bool endsAtStart); - - - QDataBuffer<float> m_vertices; - - float m_cx, m_cy; // current points - float m_nvx, m_nvy; // normal vector... - float m_width; - qreal m_miter_limit; - - int m_roundness; // Number of line segments in a round join - qreal m_sin_theta; // sin(m_roundness / 360); - qreal m_cos_theta; // cos(m_roundness / 360); - qreal m_inv_scale; - float m_curvyness_mul; - float m_curvyness_add; - - Qt::PenJoinStyle m_join_style; - Qt::PenCapStyle m_cap_style; -}; - -class QDashedStrokeProcessor -{ -public: - QDashedStrokeProcessor(); - - void process(const QVectorPath &path, const QPen &pen, const QRectF &clip); - - inline void addElement(QPainterPath::ElementType type, qreal x, qreal y) { - m_points.add(x); - m_points.add(y); - m_types.add(type); - } - - inline int elementCount() const { return m_types.size(); } - inline qreal *points() const { return m_points.data(); } - inline QPainterPath::ElementType *elementTypes() const { return m_types.data(); } - - inline void setInvScale(qreal invScale) { m_inv_scale = invScale; } - -private: - QDataBuffer<qreal> m_points; - QDataBuffer<QPainterPath::ElementType> m_types; - QDashStroker m_dash_stroker; - qreal m_inv_scale; -}; - -inline void QTriangulatingStroker::normalVector(float x1, float y1, float x2, float y2, - float *nx, float *ny) -{ - float dx = x2 - x1; - float dy = y2 - y1; - - float pw; - - if (dx == 0) - pw = m_width / qAbs(dy); - else if (dy == 0) - pw = m_width / qAbs(dx); - else - pw = m_width / sqrt(dx*dx + dy*dy); - - *nx = -dy * pw; - *ny = dx * pw; -} - -inline void QTriangulatingStroker::emitLineSegment(float x, float y, float vx, float vy) -{ - m_vertices.add(x + vx); - m_vertices.add(y + vy); - m_vertices.add(x - vx); - m_vertices.add(y - vy); -} - -void QTriangulatingStroker::lineTo(const qreal *pts) -{ - emitLineSegment(pts[0], pts[1], m_nvx, m_nvy); - m_cx = pts[0]; - m_cy = pts[1]; -} - -QT_END_NAMESPACE - -#endif |