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// Anti-Grain Geometry - Version 2.4
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// Copyright (C) 2002-2005 Maxim Shemanarev (http://www.antigrain.com)
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// Permission to copy, use, modify, sell and distribute this software
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// is granted provided this copyright notice appears in all copies.
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// Permission to copy, use, modify, sell and distribute this software
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// is granted provided this copyright notice appears in all copies.
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// This software is provided "as is" without express or implied
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// warranty, and with no claim as to its suitability for any purpose.
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//--------------------------------------------------------------------
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// Sets the triangle and dilates it if needed.
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// The trick here is to calculate beveled joins in the vertices of the
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// triangle and render it as a 6-vertex polygon.
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// It's necessary to achieve numerical stability.
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// The trick here is to calculate beveled joins in the vertices of the
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// triangle and render it as a 6-vertex polygon.
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// It's necessary to achieve numerical stability.
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// However, the coordinates to interpolate colors are calculated
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// as miter joins (calc_intersection).
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void triangle(double x1, double y1,
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void triangle(double x1, double y1,
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double x2, double y2,
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double x3, double y3,
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m_coord[0].x = m_x[0] = x1;
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m_coord[0].x = m_x[0] = x1;
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m_coord[0].y = m_y[0] = y1;
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m_coord[1].x = m_x[1] = x2;
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m_coord[1].x = m_x[1] = x2;
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m_coord[1].y = m_y[1] = y2;
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m_coord[2].x = m_x[2] = x3;
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m_coord[2].x = m_x[2] = x3;
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m_coord[2].y = m_y[2] = y3;
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m_cmd[0] = path_cmd_move_to;
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m_cmd[1] = path_cmd_line_to;
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m_cmd[3] = path_cmd_stop;
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dilate_triangle(m_coord[0].x, m_coord[0].y,
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m_coord[1].x, m_coord[1].y,
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m_coord[2].x, m_coord[2].y,
added
removed
agg/include/agg_span_gouraud.h
