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82 lines
2.4 KiB
82 lines
2.4 KiB
15 years ago
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/*
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Copyright (C) 2003 Nikolas Zimmermann <wildfox@kde.org>
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This file is part of the KDE project
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#ifndef T2P_BEZIERPATH_AGG_H
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#define T2P_BEZIERPATH_AGG_H
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#include <agg_curves.h>
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#include <agg_conv_curve.h>
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#include <agg_conv_stroke.h>
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#include <agg_path_storage.h>
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#include <agg_conv_transform.h>
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#include "Affine.h"
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#include "BezierPath.h"
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typedef agg::conv_curve<agg::path_storage> curved;
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typedef agg::conv_transform<curved> curved_trans;
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namespace T2P
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{
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class BezierPathAgg : public BezierPath
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{
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public:
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BezierPathAgg() : BezierPath(),
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m_curved(m_storage), m_curved_trans(m_curved, m_transform)
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{
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m_length = -1;
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}
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~BezierPathAgg() {}
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BezierPathAgg(const BezierPathAgg &other) : BezierPath(), m_storage(other.m_storage),
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m_curved(m_storage), m_curved_trans(m_curved, m_transform)
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{
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m_transform = other.m_transform;
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m_length = other.m_length;
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}
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void copy_from(const agg::path_storage &ps, Affine &affine)
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{
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for(unsigned i = 0; i < ps.total_vertices(); i++)
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{
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double x, y;
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unsigned cmd = ps.vertex(i, &x, &y);
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m_storage.add_vertex(affine.dx() + x * affine.m11() + y * affine.m21(),
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affine.dy() + x * affine.m12() + y * affine.m22(), cmd);
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}
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}
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unsigned operator [](unsigned) { return 0; }
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virtual double length(double t = 1.0);
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virtual void pointTangentNormalAt(double t, Point *p = 0, Point *tn = 0, Point *n = 0);
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virtual void boundingBox(Point *topLeft, Point *bottomRight);
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agg::path_storage m_storage;
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curved m_curved;
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curved_trans m_curved_trans;
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agg::trans_affine m_transform;
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double m_length;
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};
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};
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#endif
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