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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 "vikviewport.h" | |
24 | #include "vikcoord.h" | |
25 | #include "mapcoord.h" | |
26 | ||
27 | #include "vikmapsource.h" | |
28 | ||
29 | static void vik_map_source_init (VikMapSource *object); | |
30 | static void vik_map_source_finalize (GObject *object); | |
31 | static void vik_map_source_class_init (VikMapSourceClass *klass); | |
32 | ||
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33 | static void _supports_if_modified_since (VikMapSource *object); |
34 | ||
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35 | G_DEFINE_TYPE_EXTENDED (VikMapSource, vik_map_source, G_TYPE_OBJECT, (GTypeFlags)G_TYPE_FLAG_ABSTRACT,); |
36 | ||
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37 | static void |
38 | vik_map_source_init (VikMapSource *object) | |
39 | { | |
40 | /* TODO: Add initialization code here */ | |
41 | } | |
42 | ||
43 | static void | |
44 | vik_map_source_finalize (GObject *object) | |
45 | { | |
46 | /* TODO: Add deinitalization code here */ | |
47 | ||
48 | G_OBJECT_CLASS (vik_map_source_parent_class)->finalize (object); | |
49 | } | |
50 | ||
51 | static void | |
52 | vik_map_source_class_init (VikMapSourceClass *klass) | |
53 | { | |
54 | GObjectClass* object_class = G_OBJECT_CLASS (klass); | |
55 | ||
56 | klass->get_uniq_id = NULL; | |
db03733a | 57 | klass->get_label = NULL; |
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58 | klass->get_tilesize_x = NULL; |
59 | klass->get_tilesize_y = NULL; | |
60 | klass->get_drawmode = NULL; | |
0f08bd0d | 61 | klass->supports_if_modified_since = _supports_if_modified_since; |
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62 | klass->coord_to_mapcoord = NULL; |
63 | klass->mapcoord_to_center_coord = NULL; | |
64 | klass->download = NULL; | |
825413ba SW |
65 | klass->download_handle_init = NULL; |
66 | klass->download_handle_cleanup = NULL; | |
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67 | |
68 | object_class->finalize = vik_map_source_finalize; | |
69 | } | |
70 | ||
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71 | void |
72 | _supports_if_modified_since (VikMapSource *self) | |
73 | { | |
74 | // Default feature: does not support | |
75 | return FALSE; | |
76 | } | |
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77 | |
78 | guint8 | |
79 | vik_map_source_get_uniq_id (VikMapSource *self) | |
80 | { | |
81 | VikMapSourceClass *klass; | |
82 | g_return_val_if_fail (self != NULL, (guint8 )0); | |
83 | g_return_val_if_fail (VIK_IS_MAP_SOURCE (self), (guint8 )0); | |
84 | klass = VIK_MAP_SOURCE_GET_CLASS(self); | |
85 | ||
86 | g_return_val_if_fail (klass->get_uniq_id != NULL, (guint8 )0); | |
87 | ||
88 | return (*klass->get_uniq_id)(self); | |
89 | } | |
90 | ||
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91 | const gchar * |
92 | vik_map_source_get_label (VikMapSource *self) | |
93 | { | |
94 | VikMapSourceClass *klass; | |
95 | g_return_val_if_fail (self != NULL, NULL); | |
96 | g_return_val_if_fail (VIK_IS_MAP_SOURCE (self), NULL); | |
97 | klass = VIK_MAP_SOURCE_GET_CLASS(self); | |
98 | ||
99 | g_return_val_if_fail (klass->get_label != NULL, NULL); | |
100 | ||
101 | return (*klass->get_label)(self); | |
102 | } | |
103 | ||
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104 | guint16 |
105 | vik_map_source_get_tilesize_x (VikMapSource *self) | |
106 | { | |
107 | VikMapSourceClass *klass; | |
108 | g_return_val_if_fail (self != NULL, (guint16 )0); | |
109 | g_return_val_if_fail (VIK_IS_MAP_SOURCE (self), (guint16 )0); | |
110 | klass = VIK_MAP_SOURCE_GET_CLASS(self); | |
111 | ||
112 | g_return_val_if_fail (klass->get_tilesize_x != NULL, (guint16 )0); | |
113 | ||
114 | return (*klass->get_tilesize_x)(self); | |
115 | } | |
116 | ||
117 | guint16 | |
118 | vik_map_source_get_tilesize_y (VikMapSource *self) | |
119 | { | |
120 | VikMapSourceClass *klass; | |
121 | g_return_val_if_fail (self != NULL, (guint16 )0); | |
122 | g_return_val_if_fail (VIK_IS_MAP_SOURCE (self), (guint16 )0); | |
123 | klass = VIK_MAP_SOURCE_GET_CLASS(self); | |
124 | ||
125 | g_return_val_if_fail (klass->get_tilesize_y != NULL, (guint16 )0); | |
126 | ||
127 | return (*klass->get_tilesize_y)(self); | |
128 | } | |
129 | ||
130 | VikViewportDrawMode | |
131 | vik_map_source_get_drawmode (VikMapSource *self) | |
132 | { | |
133 | VikMapSourceClass *klass; | |
134 | g_return_val_if_fail (self != NULL, (VikViewportDrawMode )0); | |
135 | g_return_val_if_fail (VIK_IS_MAP_SOURCE (self), (VikViewportDrawMode )0); | |
136 | klass = VIK_MAP_SOURCE_GET_CLASS(self); | |
137 | ||
138 | g_return_val_if_fail (klass->get_drawmode != NULL, (VikViewportDrawMode )0); | |
139 | ||
140 | return (*klass->get_drawmode)(self); | |
141 | } | |
142 | ||
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143 | gboolean |
144 | vik_map_source_supports_if_modified_since (VikMapSource * self) | |
145 | { | |
146 | VikMapSourceClass *klass; | |
147 | g_return_val_if_fail (self != NULL, 0); | |
148 | g_return_val_if_fail (VIK_IS_MAP_SOURCE (self), 0); | |
149 | klass = VIK_MAP_SOURCE_GET_CLASS(self); | |
150 | ||
151 | g_return_val_if_fail (klass->supports_if_modified_since != NULL, 0); | |
152 | ||
153 | return (*klass->supports_if_modified_since)(self); | |
154 | } | |
155 | ||
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156 | gboolean |
157 | vik_map_source_coord_to_mapcoord (VikMapSource *self, const VikCoord *src, gdouble xzoom, gdouble yzoom, MapCoord *dest ) | |
158 | { | |
159 | VikMapSourceClass *klass; | |
160 | g_return_val_if_fail (self != NULL, FALSE); | |
161 | g_return_val_if_fail (VIK_IS_MAP_SOURCE (self), FALSE); | |
162 | klass = VIK_MAP_SOURCE_GET_CLASS(self); | |
163 | ||
164 | g_return_val_if_fail (klass->coord_to_mapcoord != NULL, FALSE); | |
165 | ||
166 | return (*klass->coord_to_mapcoord)(self, src, xzoom, yzoom, dest); | |
167 | } | |
168 | ||
169 | void | |
170 | vik_map_source_mapcoord_to_center_coord (VikMapSource *self, MapCoord *src, VikCoord *dest) | |
171 | { | |
172 | VikMapSourceClass *klass; | |
173 | g_return_if_fail (self != NULL); | |
174 | g_return_if_fail (VIK_IS_MAP_SOURCE (self)); | |
175 | klass = VIK_MAP_SOURCE_GET_CLASS(self); | |
176 | ||
177 | g_return_if_fail (klass->mapcoord_to_center_coord != NULL); | |
178 | ||
179 | return (*klass->mapcoord_to_center_coord)(self, src, dest); | |
180 | } | |
181 | ||
182 | int | |
825413ba | 183 | vik_map_source_download (VikMapSource * self, MapCoord * src, const gchar * dest_fn, void *handle) |
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184 | { |
185 | VikMapSourceClass *klass; | |
186 | g_return_val_if_fail (self != NULL, 0); | |
187 | g_return_val_if_fail (VIK_IS_MAP_SOURCE (self), 0); | |
188 | klass = VIK_MAP_SOURCE_GET_CLASS(self); | |
189 | ||
190 | g_return_val_if_fail (klass->download != NULL, 0); | |
191 | ||
825413ba SW |
192 | return (*klass->download)(self, src, dest_fn, handle); |
193 | } | |
194 | ||
195 | void * | |
196 | vik_map_source_download_handle_init (VikMapSource *self) | |
197 | { | |
198 | VikMapSourceClass *klass; | |
199 | g_return_val_if_fail (self != NULL, 0); | |
200 | g_return_val_if_fail (VIK_IS_MAP_SOURCE (self), 0); | |
201 | klass = VIK_MAP_SOURCE_GET_CLASS(self); | |
202 | ||
203 | g_return_val_if_fail (klass->download_handle_init != NULL, 0); | |
204 | ||
205 | return (*klass->download_handle_init)(self); | |
206 | } | |
207 | ||
208 | void | |
209 | vik_map_source_download_handle_cleanup (VikMapSource * self, void * handle) | |
210 | { | |
211 | VikMapSourceClass *klass; | |
212 | g_return_val_if_fail (self != NULL, 0); | |
213 | g_return_val_if_fail (VIK_IS_MAP_SOURCE (self), 0); | |
214 | klass = VIK_MAP_SOURCE_GET_CLASS(self); | |
215 | ||
216 | g_return_val_if_fail (klass->download_handle_cleanup != NULL, 0); | |
217 | ||
218 | return (*klass->download_handle_cleanup)(self, handle); | |
820c59f4 | 219 | } |