summaryrefslogtreecommitdiff
path: root/agg/inc/agg_trans_single_path.h
diff options
context:
space:
mode:
Diffstat (limited to 'agg/inc/agg_trans_single_path.h')
-rwxr-xr-xagg/inc/agg_trans_single_path.h97
1 files changed, 97 insertions, 0 deletions
diff --git a/agg/inc/agg_trans_single_path.h b/agg/inc/agg_trans_single_path.h
new file mode 100755
index 000000000000..68369626c396
--- /dev/null
+++ b/agg/inc/agg_trans_single_path.h
@@ -0,0 +1,97 @@
+//----------------------------------------------------------------------------
+// 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
+//----------------------------------------------------------------------------
+
+#ifndef AGG_TRANS_SINGLE_PATH_INCLUDED
+#define AGG_TRANS_SINGLE_PATH_INCLUDED
+
+#include "agg_basics.h"
+#include "agg_vertex_sequence.h"
+
+namespace agg
+{
+
+ // See also: agg_trans_single_path.cpp
+ //
+ //-------------------------------------------------------trans_single_path
+ class trans_single_path
+ {
+ enum status_e
+ {
+ initial,
+ making_path,
+ ready
+ };
+
+ public:
+ typedef vertex_sequence<vertex_dist, 6> vertex_storage;
+
+ trans_single_path();
+
+ //--------------------------------------------------------------------
+ void base_length(double v) { m_base_length = v; }
+ double base_length() const { return m_base_length; }
+
+ //--------------------------------------------------------------------
+ void preserve_x_scale(bool f) { m_preserve_x_scale = f; }
+ bool preserve_x_scale() const { return m_preserve_x_scale; }
+
+ //--------------------------------------------------------------------
+ void reset();
+ void move_to(double x, double y);
+ void line_to(double x, double y);
+ void finalize_path();
+
+ //--------------------------------------------------------------------
+ template<class VertexSource>
+ void add_path(VertexSource& vs, unsigned path_id=0)
+ {
+ double x;
+ double y;
+
+ unsigned cmd;
+ vs.rewind(path_id);
+ while(!is_stop(cmd = vs.vertex(&x, &y)))
+ {
+ if(is_move_to(cmd))
+ {
+ move_to(x, y);
+ }
+ else
+ {
+ if(is_vertex(cmd))
+ {
+ line_to(x, y);
+ }
+ }
+ }
+ finalize_path();
+ }
+
+ //--------------------------------------------------------------------
+ double total_length() const;
+ void transform(double *x, double *y) const;
+
+ private:
+ vertex_storage m_src_vertices;
+ double m_base_length;
+ double m_kindex;
+ status_e m_status;
+ bool m_preserve_x_scale;
+ };
+
+
+}
+
+#endif