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initial line mod support and some small fixes
1 | /* |
2 | * Copyright (C) 2008 Till Harbaum <till@harbaum.org>. |
3 | * |
4 | * This file is part of OSM2Go. |
5 | * |
6 | * OSM2Go is free software: you can redistribute it and/or modify |
7 | * it under the terms of the GNU General Public License as published by |
8 | * the Free Software Foundation, either version 3 of the License, or |
9 | * (at your option) any later version. |
10 | * |
11 | * OSM2Go is distributed in the hope that it will be useful, |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | * GNU General Public License for more details. |
15 | * |
16 | * You should have received a copy of the GNU General Public License |
17 | * along with OSM2Go. If not, see <http://www.gnu.org/licenses/>. |
18 | */ |
19 | |
20 | #ifndef JOSM_ELEMSTYLES_H |
21 | #define JOSM_ELEMSTYLES_H |
22 | |
23 | // Ratio conversions |
24 | |
25 | float scaledn_to_zoom(const float scaledn); |
26 | float zoom_to_scaledn(const float zoom); |
27 | |
28 | |
29 | typedef enum { |
30 | ES_TYPE_NONE = 0, |
31 | ES_TYPE_LINE, |
32 | ES_TYPE_AREA, |
33 | ES_TYPE_LINE_MOD |
34 | } elemstyle_type_t; |
35 | |
36 | typedef gulong elemstyle_color_t; |
37 | |
38 | /* from elemstyles.xml: |
39 | * line attributes |
40 | * - width absolute width in pixel in every zoom level |
41 | * - realwidth relative width which will be scaled in meters, integer |
42 | * - colour |
43 | */ |
44 | |
45 | typedef struct { |
46 | gint width; |
47 | elemstyle_color_t color; |
48 | gboolean dashed; |
49 | |
50 | struct { |
51 | gboolean valid; |
52 | gint width; |
53 | } real; |
54 | |
55 | struct { |
56 | gboolean valid; |
57 | gint width; |
58 | elemstyle_color_t color; |
59 | } bg; |
60 | |
61 | float zoom_max; // XXX probably belongs in elemstyle_s |
62 | } elemstyle_line_t; |
63 | |
64 | /* attribute modifiers */ |
65 | typedef enum { |
66 | ES_MOD_NONE = 0, // don't change attribute |
67 | ES_MOD_ADD, // add constant value |
68 | ES_MOD_SUB, // subtract constant value |
69 | ES_MOD_PERCENT // scale by x percent |
70 | } elemstyle_mod_mode_t; |
71 | |
72 | /* a width with modifier */ |
73 | typedef struct { |
74 | elemstyle_mod_mode_t mod; |
75 | gint width; |
76 | } elemstyle_width_mod_t; |
77 | |
78 | |
79 | typedef struct { |
80 | elemstyle_width_mod_t line, bg; |
81 | } elemstyle_line_mod_t; |
82 | |
83 | typedef struct { |
84 | elemstyle_color_t color; |
85 | float zoom_max; // XXX probably belongs in elemstyle_s |
86 | } elemstyle_area_t; |
87 | |
88 | typedef struct { |
89 | gboolean annotate; |
90 | char *filename; |
91 | float zoom_max; // XXX probably belongs in elemstyle_s |
92 | } elemstyle_icon_t; |
93 | |
94 | typedef struct elemstyle_s { |
95 | struct { |
96 | char *key; |
97 | char *value; |
98 | } condition; |
99 | |
100 | elemstyle_type_t type; |
101 | |
102 | union { |
103 | elemstyle_line_mod_t *line_mod; |
104 | elemstyle_line_t *line; |
105 | elemstyle_area_t *area; |
106 | }; |
107 | |
108 | elemstyle_icon_t *icon; |
109 | |
110 | struct elemstyle_s *next; |
111 | } elemstyle_t; |
112 | |
113 | elemstyle_t *josm_elemstyles_load(char *name); |
114 | void josm_elemstyles_free(elemstyle_t *elemstyles); |
115 | gboolean parse_color(xmlNode *a_node, char *name, elemstyle_color_t *color); |
116 | |
117 | void josm_elemstyles_colorize_node(struct style_s *style, node_t *node); |
118 | void josm_elemstyles_colorize_way(struct style_s *style, way_t *way); |
119 | void josm_elemstyles_colorize_world(struct style_s *style, osm_t *osm); |
120 | |
121 | #endif // JOSM_ELEMSTYLES_H |
122 | |
123 | // vim:et:ts=8:sw=2:sts=2:ai |