diff options
| author | Tobias Weimer <wishmaster51@googlemail.com> | 2015-07-12 14:10:16 +0000 |
|---|---|---|
| committer | Tobias Weimer <wishmaster51@googlemail.com> | 2015-07-12 14:10:16 +0000 |
| commit | f4ce2b5c214cce406dbd7a73dc7f35ae409546ad (patch) | |
| tree | 533cc821ffc9c5664c075930be6a40fde9593aba /plugins/Clist_ng/AGG/src/agg_rounded_rect.cpp | |
| parent | 71a88c6d8c4578ca24e02a5c6f4860c206e7c6da (diff) | |
Clist NG:
Commit of CList NG by silvercircle from https://github.com/silvercircle/miranda-ng
This is based on clist_nicer and Anti-Grain Geometry: http://www.antigrain.com/
This is the first version that actually compiles.
Do NOT use it in production environment!
git-svn-id: http://svn.miranda-ng.org/main/trunk@14543 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
Diffstat (limited to 'plugins/Clist_ng/AGG/src/agg_rounded_rect.cpp')
| -rw-r--r-- | plugins/Clist_ng/AGG/src/agg_rounded_rect.cpp | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/plugins/Clist_ng/AGG/src/agg_rounded_rect.cpp b/plugins/Clist_ng/AGG/src/agg_rounded_rect.cpp new file mode 100644 index 0000000000..a480043a3d --- /dev/null +++ b/plugins/Clist_ng/AGG/src/agg_rounded_rect.cpp @@ -0,0 +1,169 @@ +//----------------------------------------------------------------------------
+// Anti-Grain Geometry (AGG) - Version 2.5
+// A high quality rendering engine for C++
+// Copyright (C) 2002-2006 Maxim Shemanarev
+// Contact: mcseem@antigrain.com
+// mcseemagg@yahoo.com
+// http://antigrain.com
+//
+// AGG is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your option) any later version.
+//
+// AGG 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 General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with AGG; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+// MA 02110-1301, USA.
+//----------------------------------------------------------------------------
+
+#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_x2 - m_x1);
+ double dy = fabs(m_y2 - m_y1);
+
+ 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;
+ }
+
+
+}
+
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