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authorRene Engelhard <rene@debian.org>2010-10-27 20:29:22 +0200
committerRene Engelhard <rene@debian.org>2010-10-28 19:10:29 +0200
commitc76416bfc095c3fe20bda7e6bda73ed3829d2071 (patch)
tree718e589a005925e56c90d19c51aaf8d02fabbf52 /agg/source/agg_rounded_rect.cpp
parent0c139949cfe75c10b049915e7c93e6b2030faf78 (diff)
Diffstat (limited to 'agg/source/agg_rounded_rect.cpp')
-rwxr-xr-xagg/source/agg_rounded_rect.cpp164
1 files changed, 0 insertions, 164 deletions
diff --git a/agg/source/agg_rounded_rect.cpp b/agg/source/agg_rounded_rect.cpp
deleted file mode 100755
index f49c4fb..0000000
--- a/agg/source/agg_rounded_rect.cpp
+++ /dev/null
@@ -1,164 +0,0 @@
-//----------------------------------------------------------------------------
-// Anti-Grain Geometry - Version 2.3
-// 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 = (unsigned)path_cmd_end_poly | (unsigned)path_flags_close | (unsigned)path_flags_ccw;
- m_status++;
- break;
- }
- return cmd;
- }
-
-
-}
-