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authorTom Sepez <tsepez@chromium.org>2015-06-17 10:01:00 -0700
committerTom Sepez <tsepez@chromium.org>2015-06-17 10:01:00 -0700
commitb7d358b498800e4c240d381fa6f098af17a4d95b (patch)
treeaa0d8677af748caf9881ecd011af2b00af925188 /third_party/agg23/agg_vcgen_dash.h
parent9555022ee550ee97415a86957686cc28716c4dee (diff)
downloadpdfium-b7d358b498800e4c240d381fa6f098af17a4d95b.tar.xz
Merge to XFA: Separate agg-authored code from fx-authored code.
Original Review URL: https://codereview.chromium.org/1152743007. BUG=pdfium:166 R=brucedawson@chromium.org, thestig@chromium.org TBR=brucedawson@chromium.org, thestig@chromium.org Review URL: https://codereview.chromium.org/1186423003.
Diffstat (limited to 'third_party/agg23/agg_vcgen_dash.h')
-rw-r--r--third_party/agg23/agg_vcgen_dash.h75
1 files changed, 75 insertions, 0 deletions
diff --git a/third_party/agg23/agg_vcgen_dash.h b/third_party/agg23/agg_vcgen_dash.h
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+++ b/third_party/agg23/agg_vcgen_dash.h
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+
+//----------------------------------------------------------------------------
+// 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
+//----------------------------------------------------------------------------
+//
+// Line dash generator
+//
+//----------------------------------------------------------------------------
+#ifndef AGG_VCGEN_DASH_INCLUDED
+#define AGG_VCGEN_DASH_INCLUDED
+#include "agg_basics.h"
+#include "agg_vertex_sequence.h"
+namespace agg
+{
+class vcgen_dash
+{
+ enum max_dashes_e {
+ max_dashes = 32
+ };
+ enum status_e {
+ initial,
+ ready,
+ polyline,
+ stop
+ };
+public:
+ typedef vertex_sequence<vertex_dist, 6> vertex_storage;
+ vcgen_dash();
+ void remove_all_dashes();
+ void add_dash(FX_FLOAT dash_len, FX_FLOAT gap_len);
+ void dash_start(FX_FLOAT ds);
+ void shorten(FX_FLOAT s)
+ {
+ m_shorten = s;
+ }
+ double shorten() const
+ {
+ return m_shorten;
+ }
+ void remove_all();
+ void add_vertex(FX_FLOAT x, FX_FLOAT y, unsigned cmd);
+ void rewind(unsigned path_id);
+ unsigned vertex(FX_FLOAT* x, FX_FLOAT* y);
+private:
+ vcgen_dash(const vcgen_dash&);
+ const vcgen_dash& operator = (const vcgen_dash&);
+ void calc_dash_start(FX_FLOAT ds);
+ FX_FLOAT m_dashes[max_dashes];
+ FX_FLOAT m_total_dash_len;
+ unsigned m_num_dashes;
+ FX_FLOAT m_dash_start;
+ FX_FLOAT m_shorten;
+ FX_FLOAT m_curr_dash_start;
+ unsigned m_curr_dash;
+ FX_FLOAT m_curr_rest;
+ const vertex_dist* m_v1;
+ const vertex_dist* m_v2;
+ vertex_storage m_src_vertices;
+ unsigned m_closed;
+ status_e m_status;
+ unsigned m_src_vertex;
+};
+}
+#endif