src/vikmaptype.c

   1 /* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*- */
   2 /*
   3  * viking
   4  * Copyright (C) Guilhem Bonnefille 2009 <guilhem.bonnefille@gmail.com>
   5  *
   6  * viking is free software: you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by the
   8  * Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * viking is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  14  * See the GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19 #ifdef HAVE_CONFIG_H
  20 #include "config.h"
  21 #endif
  22
  23 #include "vikmaptype.h"
  24 #include "vikmapslayer_compat.h"
  25
  26 static guint8 map_type_get_uniq_id (VikMapSource *self);
  27 static const gchar *map_type_get_label (VikMapSource *self);
  28 static guint16 map_type_get_tilesize_x (VikMapSource *self);
  29 static guint16 map_type_get_tilesize_y (VikMapSource *self);
  30 static VikViewportDrawMode map_type_get_drawmode (VikMapSource *self);
  31 static gboolean map_type_coord_to_mapcoord (VikMapSource *self, const VikCoord *src, gdouble xzoom, gdouble yzoom, MapCoord *dest );
  32 static void map_type_mapcoord_to_center_coord (VikMapSource *self, MapCoord *src, VikCoord *dest);
  33 static int map_type_download (VikMapSource * self, MapCoord * src, const gchar * dest_fn);
  34
  35 typedef struct _VikMapTypePrivate VikMapTypePrivate;
  36 struct _VikMapTypePrivate
  37 {
  38         gchar *label;
  39         VikMapsLayer_MapType map_type;
  40 };
  41
  42 #define VIK_MAP_TYPE_PRIVATE(o)  (G_TYPE_INSTANCE_GET_PRIVATE ((o), VIK_TYPE_MAP_TYPE, VikMapTypePrivate))
  43
  44
  45 G_DEFINE_TYPE (VikMapType, vik_map_type, VIK_TYPE_MAP_SOURCE);
  46
  47 static void
  48 vik_map_type_init (VikMapType *object)
  49 {
  50         VikMapTypePrivate *priv = VIK_MAP_TYPE_PRIVATE(object);
  51         priv->label = NULL;
  52 }
  53
  54 VikMapType *
  55 vik_map_type_new_with_id (VikMapsLayer_MapType map_type, const char *label)
  56 {
  57         VikMapType *ret = (VikMapType *)g_object_new(vik_map_type_get_type(), NULL);
  58         VikMapTypePrivate *priv = VIK_MAP_TYPE_PRIVATE(ret);
  59         priv->map_type = map_type;
  60         priv->label = g_strdup (label);
  61         return ret;
  62 }
  63
  64 static void
  65 vik_map_type_finalize (GObject *object)
  66 {
  67         VikMapTypePrivate *priv = VIK_MAP_TYPE_PRIVATE(object);
  68         g_free (priv->label);
  69         priv->label = NULL;
  70
  71         G_OBJECT_CLASS (vik_map_type_parent_class)->finalize (object);
  72 }
  73
  74 static void
  75 vik_map_type_class_init (VikMapTypeClass *klass)
  76 {
  77         GObjectClass* object_class = G_OBJECT_CLASS (klass);
  78         VikMapSourceClass* parent_class = VIK_MAP_SOURCE_CLASS (klass);
  79
  80         /* Overiding methods */
  81         parent_class->get_uniq_id =              map_type_get_uniq_id;
  82         parent_class->get_label =                map_type_get_label;
  83         parent_class->get_tilesize_x =           map_type_get_tilesize_x;
  84         parent_class->get_tilesize_y =           map_type_get_tilesize_y;
  85         parent_class->get_drawmode =             map_type_get_drawmode;
  86         parent_class->coord_to_mapcoord =        map_type_coord_to_mapcoord;
  87         parent_class->mapcoord_to_center_coord = map_type_mapcoord_to_center_coord;
  88         parent_class->download =                 map_type_download;
  89
  90         g_type_class_add_private (klass, sizeof (VikMapTypePrivate));
  91
  92         object_class->finalize = vik_map_type_finalize;
  93 }
  94
  95 static guint8
  96 map_type_get_uniq_id (VikMapSource *self)
  97 {
  98     VikMapTypePrivate *priv = VIK_MAP_TYPE_PRIVATE(self);
  99         g_return_val_if_fail (priv != NULL, (guint8)0);
 100
 101         return priv->map_type.uniq_id;
 102 }
 103
 104 static const gchar *
 105 map_type_get_label (VikMapSource *self)
 106 {
 107     VikMapTypePrivate *priv = VIK_MAP_TYPE_PRIVATE(self);
 108         g_return_val_if_fail (priv != NULL, FALSE);
 109
 110         return priv->label;
 111 }
 112
 113 static guint16
 114 map_type_get_tilesize_x (VikMapSource *self)
 115 {
 116     VikMapTypePrivate *priv = VIK_MAP_TYPE_PRIVATE(self);
 117         g_return_val_if_fail (priv != NULL, (guint16)0);
 118
 119         return priv->map_type.tilesize_x;
 120 }
 121
 122 static guint16
 123 map_type_get_tilesize_y (VikMapSource *self)
 124 {
 125     VikMapTypePrivate *priv = VIK_MAP_TYPE_PRIVATE(self);
 126         g_return_val_if_fail (priv != NULL, (guint16)0);
 127
 128         return priv->map_type.tilesize_y;
 129 }
 130
 131 static VikViewportDrawMode
 132 map_type_get_drawmode (VikMapSource *self)
 133 {
 134     VikMapTypePrivate *priv = VIK_MAP_TYPE_PRIVATE(self);
 135         g_return_val_if_fail (priv != NULL, (VikViewportDrawMode)0);
 136
 137         return priv->map_type.drawmode;
 138 }
 139
 140 static gboolean
 141 map_type_coord_to_mapcoord (VikMapSource *self, const VikCoord *src, gdouble xzoom, gdouble yzoom, MapCoord *dest )
 142 {
 143     VikMapTypePrivate *priv = VIK_MAP_TYPE_PRIVATE(self);
 144         g_return_val_if_fail (priv != NULL, FALSE);
 145
 146         return (priv->map_type.coord_to_mapcoord)(src, xzoom, yzoom, dest);
 147 }
 148
 149 static void
 150 map_type_mapcoord_to_center_coord (VikMapSource *self, MapCoord *src, VikCoord *dest)
 151 {
 152     VikMapTypePrivate *priv = VIK_MAP_TYPE_PRIVATE(self);
 153         g_return_if_fail (self != NULL);
 154
 155         return (priv->map_type.mapcoord_to_center_coord)(src, dest);
 156 }
 157
 158 static int
 159 map_type_download (VikMapSource * self, MapCoord * src, const gchar * dest_fn)
 160 {
 161     VikMapTypePrivate *priv = VIK_MAP_TYPE_PRIVATE(self);
 162         g_return_val_if_fail (priv != NULL, 0);
 163
 164         return (priv->map_type.download)(src, dest_fn);
 165 }
 166