adg/adg-adim-private.h

   1 /* ADG - Automatic Drawing Generation
   2  * Copyright (C) 2007,2008,2009 Nicola Fontana <ntd at entidi.it>
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17  * Boston, MA  02110-1301, USA.
  18  */
  19
  20
  21 #ifndef __ADG_ADIM_PRIVATE_H__
  22 #define __ADG_ADIM_PRIVATE_H__
  23
  24 #include <cairo.h>
  25
  26
  27 G_BEGIN_DECLS
  28
  29 /*
  30  * The cpml.data array is structured in the following way:
  31  *
  32  * [0]  = MOVE_TO
  33  * [1]  = arc start
  34  * [2]  = ARC_TO
  35  * [3]  = arc middle
  36  * [4]  = arc end
  37  * [5]  = MOVE_TO
  38  * [6]  = first extension line start
  39  * [7]  = LINE_TO
  40  * [8]  = first extension line end
  41  * [9]  = MOVE_TO
  42  * [10] = second extension line start
  43  * [11] = LINE_TO
  44  * [12] = second extension line end
  45  */
  46
  47 typedef struct _AdgADimPrivate AdgADimPrivate;
  48
  49 struct _AdgADimPrivate {
  50     AdgPair              org1;
  51     AdgPair              org2;
  52     gboolean             has_extension1;
  53     gboolean             has_extension2;
  54
  55     AdgTrail            *trail;
  56     AdgMarker           *marker1;
  57     AdgMarker           *marker2;
  58
  59     struct {
  60         gboolean         is_arranged;
  61         gdouble          angle1, angle2;
  62         AdgPair          center;
  63         AdgPair          base1, base12, base2;
  64     }                    geometry;
  65
  66     struct {
  67         gboolean         is_arranged;
  68         CpmlPair         from1, from2;
  69         CpmlPair         base1, base12, base2;
  70         CpmlPair         to1, to2;
  71     }                    shift;
  72
  73     struct {
  74         CpmlPath path;
  75         cairo_path_data_t data[13];
  76     }                    cpml;
  77 };
  78
  79 G_END_DECLS
  80
  81
  82 #endif /* __ADG_ADIM_PRIVATE_H__ */