trunk/src/josm_elemstyles.h

/*
 * Copyright (C) 2008 Till Harbaum <till@harbaum.org>.
 *
 * This file is part of OSM2Go.
 *
 * OSM2Go is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * OSM2Go is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with OSM2Go.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef JOSM_ELEMSTYLES_H
#define JOSM_ELEMSTYLES_H

// Ratio conversions

float scaledn_to_zoom(const float scaledn);
float zoom_to_scaledn(const float zoom);


typedef enum { 
  ES_TYPE_NONE = 0, 
  ES_TYPE_LINE, 
  ES_TYPE_AREA 
} elemstyle_type_t;

typedef gulong elemstyle_color_t;

/* from elemstyles.xml:
 *  line attributes
 *  - width absolute width in pixel in every zoom level
 *  - realwidth relative width which will be scaled in meters, integer
 *  - colour
 */

typedef struct {
  gint width;
  elemstyle_color_t color;

  struct {
    gboolean valid;
    gint width;
  } real;

  struct {
    gboolean valid;
    gint width;
    elemstyle_color_t color;
  } bg;

  float zoom_max;   // XXX probably belongs in elemstyle_s
} elemstyle_line_t;

typedef struct {
  elemstyle_color_t color;
  float zoom_max;   // XXX probably belongs in elemstyle_s
} elemstyle_area_t;

typedef struct {
  gboolean annotate;
  char *filename;
  float zoom_max;   // XXX probably belongs in elemstyle_s
} elemstyle_icon_t;

typedef struct elemstyle_s {
  struct {
    char *key;
    char *value;
  } condition;

  elemstyle_type_t type;

  union {
    elemstyle_line_t *line;
    elemstyle_area_t *area;
  };
  
  elemstyle_icon_t *icon;

  struct elemstyle_s *next;
} elemstyle_t;

elemstyle_t *josm_elemstyles_load(char *name);
void josm_elemstyles_free(elemstyle_t *elemstyles);
gboolean parse_color(xmlNode *a_node, char *name, elemstyle_color_t *color);

void josm_elemstyles_colorize_node(struct style_s *style, node_t *node);
void josm_elemstyles_colorize_way(struct style_s *style, way_t *way);
void josm_elemstyles_colorize_world(struct style_s *style, osm_t *osm);

#endif // JOSM_ELEMSTYLES_H
1	harbaum	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			} elemstyle_type_t;
34
35			typedef gulong elemstyle_color_t;
36
37			/* from elemstyles.xml:
38			* line attributes
39			* - width absolute width in pixel in every zoom level
40			* - realwidth relative width which will be scaled in meters, integer
41			* - colour
42			*/
43
44			typedef struct {
45			gint width;
46			elemstyle_color_t color;
47
48			struct {
49			gboolean valid;
50			gint width;
51			} real;
52
53			struct {
54			gboolean valid;
55			gint width;
56			elemstyle_color_t color;
57			} bg;
58
59			float zoom_max; // XXX probably belongs in elemstyle_s
60			} elemstyle_line_t;
61
62			typedef struct {
63			elemstyle_color_t color;
64			float zoom_max; // XXX probably belongs in elemstyle_s
65			} elemstyle_area_t;
66
67			typedef struct {
68			gboolean annotate;
69			char *filename;
70			float zoom_max; // XXX probably belongs in elemstyle_s
71			} elemstyle_icon_t;
72
73			typedef struct elemstyle_s {
74			struct {
75			char *key;
76			char *value;
77			} condition;
78
79			elemstyle_type_t type;
80
81			union {
82			elemstyle_line_t *line;
83			elemstyle_area_t *area;
84			};
85
86			elemstyle_icon_t *icon;
87
88			struct elemstyle_s *next;
89			} elemstyle_t;
90
91			elemstyle_t josm_elemstyles_load(char name);
92			void josm_elemstyles_free(elemstyle_t *elemstyles);
93			gboolean parse_color(xmlNode a_node, char name, elemstyle_color_t *color);
94
95			void josm_elemstyles_colorize_node(struct style_s style, node_t node);
96			void josm_elemstyles_colorize_way(struct style_s style, way_t way);
97			void josm_elemstyles_colorize_world(struct style_s style, osm_t osm);
98
99			#endif // JOSM_ELEMSTYLES_H