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| author | maxim-yurchuk <maxim-yurchuk@yandex-team.com> | 2024-10-09 12:29:46 +0300 |
|---|---|---|
| committer | maxim-yurchuk <maxim-yurchuk@yandex-team.com> | 2024-10-09 13:14:22 +0300 |
| commit | 9731d8a4bb7ee2cc8554eaf133bb85498a4c7d80 (patch) | |
| tree | a8fb3181d5947c0d78cf402aa56e686130179049 /contrib/python/matplotlib/py2/extern/agg24-svn/src/agg_rounded_rect.cpp | |
| parent | a44b779cd359f06c3ebbef4ec98c6b38609d9d85 (diff) | |
| download | ydb-9731d8a4bb7ee2cc8554eaf133bb85498a4c7d80.tar.gz | |
publishFullContrib: true for ydb
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commit_hash:c82a80ac4594723cebf2c7387dec9c60217f603e
Diffstat (limited to 'contrib/python/matplotlib/py2/extern/agg24-svn/src/agg_rounded_rect.cpp')
| -rw-r--r-- | contrib/python/matplotlib/py2/extern/agg24-svn/src/agg_rounded_rect.cpp | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/contrib/python/matplotlib/py2/extern/agg24-svn/src/agg_rounded_rect.cpp b/contrib/python/matplotlib/py2/extern/agg24-svn/src/agg_rounded_rect.cpp new file mode 100644 index 0000000000..bebc063628 --- /dev/null +++ b/contrib/python/matplotlib/py2/extern/agg24-svn/src/agg_rounded_rect.cpp @@ -0,0 +1,164 @@ +//---------------------------------------------------------------------------- +// Anti-Grain Geometry - Version 2.4 +// Copyright (C) 2002-2005 Maxim Shemanarev (http://www.antigrain.com) +// +// Permission to copy, use, modify, sell and distribute this software +// is granted provided this copyright notice appears in all copies. +// This software is provided "as is" without express or implied +// warranty, and with no claim as to its suitability for any purpose. +// +//---------------------------------------------------------------------------- +// Contact: mcseem@antigrain.com +// mcseemagg@yahoo.com +// http://www.antigrain.com +//---------------------------------------------------------------------------- +// +// Rounded rectangle vertex generator +// +//---------------------------------------------------------------------------- + +#include <math.h> +#include "agg_rounded_rect.h" + + +namespace agg +{ + //------------------------------------------------------------------------ + rounded_rect::rounded_rect(double x1, double y1, double x2, double y2, double r) : + m_x1(x1), m_y1(y1), m_x2(x2), m_y2(y2), + m_rx1(r), m_ry1(r), m_rx2(r), m_ry2(r), + m_rx3(r), m_ry3(r), m_rx4(r), m_ry4(r) + { + if(x1 > x2) { m_x1 = x2; m_x2 = x1; } + if(y1 > y2) { m_y1 = y2; m_y2 = y1; } + } + + //-------------------------------------------------------------------- + void rounded_rect::rect(double x1, double y1, double x2, double y2) + { + m_x1 = x1; + m_y1 = y1; + m_x2 = x2; + m_y2 = y2; + if(x1 > x2) { m_x1 = x2; m_x2 = x1; } + if(y1 > y2) { m_y1 = y2; m_y2 = y1; } + } + + //-------------------------------------------------------------------- + void rounded_rect::radius(double r) + { + m_rx1 = m_ry1 = m_rx2 = m_ry2 = m_rx3 = m_ry3 = m_rx4 = m_ry4 = r; + } + + //-------------------------------------------------------------------- + void rounded_rect::radius(double rx, double ry) + { + m_rx1 = m_rx2 = m_rx3 = m_rx4 = rx; + m_ry1 = m_ry2 = m_ry3 = m_ry4 = ry; + } + + //-------------------------------------------------------------------- + void rounded_rect::radius(double rx_bottom, double ry_bottom, + double rx_top, double ry_top) + { + m_rx1 = m_rx2 = rx_bottom; + m_rx3 = m_rx4 = rx_top; + m_ry1 = m_ry2 = ry_bottom; + m_ry3 = m_ry4 = ry_top; + } + + //-------------------------------------------------------------------- + void rounded_rect::radius(double rx1, double ry1, double rx2, double ry2, + double rx3, double ry3, double rx4, double ry4) + { + m_rx1 = rx1; m_ry1 = ry1; m_rx2 = rx2; m_ry2 = ry2; + m_rx3 = rx3; m_ry3 = ry3; m_rx4 = rx4; m_ry4 = ry4; + } + + //-------------------------------------------------------------------- + void rounded_rect::normalize_radius() + { + double dx = fabs(m_y2 - m_y1); + double dy = fabs(m_x2 - m_x1); + + double k = 1.0; + double t; + t = dx / (m_rx1 + m_rx2); if(t < k) k = t; + t = dx / (m_rx3 + m_rx4); if(t < k) k = t; + t = dy / (m_ry1 + m_ry2); if(t < k) k = t; + t = dy / (m_ry3 + m_ry4); if(t < k) k = t; + + if(k < 1.0) + { + m_rx1 *= k; m_ry1 *= k; m_rx2 *= k; m_ry2 *= k; + m_rx3 *= k; m_ry3 *= k; m_rx4 *= k; m_ry4 *= k; + } + } + + //-------------------------------------------------------------------- + void rounded_rect::rewind(unsigned) + { + m_status = 0; + } + + //-------------------------------------------------------------------- + unsigned rounded_rect::vertex(double* x, double* y) + { + unsigned cmd = path_cmd_stop; + switch(m_status) + { + case 0: + m_arc.init(m_x1 + m_rx1, m_y1 + m_ry1, m_rx1, m_ry1, + pi, pi+pi*0.5); + m_arc.rewind(0); + m_status++; + + case 1: + cmd = m_arc.vertex(x, y); + if(is_stop(cmd)) m_status++; + else return cmd; + + case 2: + m_arc.init(m_x2 - m_rx2, m_y1 + m_ry2, m_rx2, m_ry2, + pi+pi*0.5, 0.0); + m_arc.rewind(0); + m_status++; + + case 3: + cmd = m_arc.vertex(x, y); + if(is_stop(cmd)) m_status++; + else return path_cmd_line_to; + + case 4: + m_arc.init(m_x2 - m_rx3, m_y2 - m_ry3, m_rx3, m_ry3, + 0.0, pi*0.5); + m_arc.rewind(0); + m_status++; + + case 5: + cmd = m_arc.vertex(x, y); + if(is_stop(cmd)) m_status++; + else return path_cmd_line_to; + + case 6: + m_arc.init(m_x1 + m_rx4, m_y2 - m_ry4, m_rx4, m_ry4, + pi*0.5, pi); + m_arc.rewind(0); + m_status++; + + case 7: + cmd = m_arc.vertex(x, y); + if(is_stop(cmd)) m_status++; + else return path_cmd_line_to; + + case 8: + cmd = path_cmd_end_poly | path_flags_close | path_flags_ccw; + m_status++; + break; + } + return cmd; + } + + +} + |