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Diffstat (limited to 'ksvg/plugin/backends/agg/BezierPathAgg.h')
-rw-r--r-- | ksvg/plugin/backends/agg/BezierPathAgg.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/ksvg/plugin/backends/agg/BezierPathAgg.h b/ksvg/plugin/backends/agg/BezierPathAgg.h new file mode 100644 index 00000000..21451aa9 --- /dev/null +++ b/ksvg/plugin/backends/agg/BezierPathAgg.h @@ -0,0 +1,83 @@ +/* + Copyright (C) 2003 Nikolas Zimmermann <wildfox@kde.org> + This file is part of the KDE project + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public License + along with this library; see the file COPYING.LIB. If not, write to + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. +*/ + +#ifndef T2P_BEZIERPATH_AGG_H +#define T2P_BEZIERPATH_AGG_H + +#include <agg_curves.h> +#include <agg_conv_curve.h> +#include <agg_conv_stroke.h> +#include <agg_path_storage.h> +#include <agg_conv_transform.h> + +#include "Affine.h" +#include "BezierPath.h" + +typedef agg::conv_curve<agg::path_storage> curved; +typedef agg::conv_transform<curved> curved_trans; + +namespace T2P +{ + class BezierPathAgg : public BezierPath + { + public: + BezierPathAgg() : BezierPath(), + m_curved(m_storage), m_curved_trans(m_curved, m_transform) + { + m_length = -1; + } + + ~BezierPathAgg() {} + + BezierPathAgg(const BezierPathAgg &other) : BezierPath(), m_storage(other.m_storage), + m_curved(m_storage), m_curved_trans(m_curved, m_transform) + { + m_transform = other.m_transform; + m_length = other.m_length; + } + + void copy_from(const agg::path_storage &ps, Affine &affine) + { + for(unsigned i = 0; i < ps.total_vertices(); i++) + { + double x, y; + unsigned cmd = ps.vertex(i, &x, &y); + m_storage.add_vertex(affine.dx() + x * affine.m11() + y * affine.m21(), + affine.dy() + x * affine.m12() + y * affine.m22(), cmd); + } + } + + unsigned operator [](unsigned) { return 0; } + + virtual double length(double t = 1.0); + virtual void pointTangentNormalAt(double t, Point *p = 0, Point *tn = 0, Point *n = 0); + virtual void boundingBox(Point *topLeft, Point *bottomRight); + + agg::path_storage m_storage; + curved m_curved; + curved_trans m_curved_trans; + agg::trans_affine m_transform; + double m_length; + }; +}; + +#endif + +// vim:ts=4:noet |