/[zanavi_public1]/navit/navit/graphics.h
ZANavi

Contents of /navit/navit/graphics.h

Parent Directory Parent Directory | Revision Log Revision Log


Revision 31 - (show annotations) (download)
Mon Feb 4 17:41:59 2013 UTC (6 years, 8 months ago) by zoff99
File MIME type: text/plain
File size: 11975 byte(s)
new map version, lots of fixes and experimental new features
1 /**
2 * Navit, a modular navigation system.
3 * Copyright (C) 2005-2008 Navit Team
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public License
7 * version 2 as published by the Free Software Foundation.
8 *
9 * This program 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
12 * GNU Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public
15 * License along with this program; if not, write to the
16 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 */
19
20 #ifndef NAVIT_GRAPHICS_H
21 #define NAVIT_GRAPHICS_H
22
23 #ifdef __cplusplus
24 extern "C"
25 {
26 #endif
27 struct attr;
28 struct point;
29 struct container;
30 struct color;
31 struct graphics;
32 struct graphics_gc;
33 struct graphics_font;
34 struct graphics_image;
35 struct transformation;
36 struct display_list;
37 struct mapset;
38
39 enum draw_mode_num
40 {
41 draw_mode_begin, // 0
42 draw_mode_begin_clear, // 1
43 draw_mode_end, // 2
44 draw_mode_cursor, // 3
45 draw_mode_end_lazy
46 // 4
47 };
48
49 #include "item.h"
50
51 struct display_context
52 {
53 struct graphics *gra;
54 struct element *e;
55 struct graphics_gc *gc;
56 struct graphics_gc *gc_background;
57 struct graphics_image *img;
58 enum projection pro;
59 int mindist;
60 struct transformation *trans;
61 enum item_type type;
62 int maxlen;
63 };
64
65 //#define HASH_SIZE_GRAPHICS_ 1024
66 #define HASH_SIZE_GRAPHICS_ 2048 // inc. hash size for layer items
67 struct hash_entry
68 {
69 enum item_type type;
70 struct displayitem *di;
71 };
72
73 struct displaylist
74 {
75 int busy;
76 int workload;
77 struct callback *cb;
78 struct layout *layout, *layout_hashed;
79 struct display_context dc;
80 int order, order_hashed, max_offset;
81 struct mapset *ms;
82 struct mapset_handle *msh;
83 struct map *m;
84 int conv;
85 struct map_selection *sel;
86 struct map_rect *mr;
87 struct callback *idle_cb;
88 struct event_idle *idle_ev;
89 unsigned int seq;
90 struct hash_entry hash_entries[HASH_SIZE_GRAPHICS_];
91 };
92
93 struct graphics_priv;
94 struct graphics_font_priv;
95 struct graphics_image_priv;
96 struct graphics_gc_priv;
97 struct graphics_font_methods;
98 struct graphics_gc_methods;
99 struct graphics_image_methods;
100
101 struct graphics_methods
102 {
103 void (*graphics_destroy)(struct graphics_priv *gr);
104 void (*draw_mode)(struct graphics_priv *gr, enum draw_mode_num mode);
105 void (*draw_lines)(struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int count);
106 void (*draw_lines2)(struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int count, int order, int oneway);
107 void (*draw_lines3)(struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int count, int order, int width, int dashes, struct color *c);
108 void (*draw_lines4)(struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int count, int order, int width, int type, int dashes, struct color *c);
109 void (*draw_lines_dashed)(struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int count, int order, int oneway);
110 void (*draw_polygon)(struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int count);
111 void (*draw_polygon2)(struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int count, int order, int oneway);
112 void (*draw_rectangle)(struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int w, int h);
113 void (*draw_circle)(struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int r);
114 void (*draw_text)(struct graphics_priv *gr, struct graphics_gc_priv *fg, struct graphics_gc_priv *bg, struct graphics_font_priv *font, char *text, struct point *p, int dx, int dy);
115 void (*draw_image)(struct graphics_priv *gr, struct graphics_gc_priv *fg, struct point *p, struct graphics_image_priv *img);
116 void (*draw_bigmap)(struct graphics_priv *gr, struct graphics_gc_priv *fg, int yaw, int order, float clat, float clng, int x, int y, int scx, int scy, int px, int py, int valid);
117 void
118 (*draw_image_warp)(struct graphics_priv *gr, struct graphics_gc_priv *fg, struct point *p, int count, char *data);
119 void (*draw_restore)(struct graphics_priv *gr, struct point *p, int w, int h);
120 void (*draw_drag)(struct graphics_priv *gr, struct point *p);
121 struct graphics_font_priv
122 *(*font_new)(struct graphics_priv *gr, struct graphics_font_methods *meth, char *font, int size, int flags);
123 struct graphics_gc_priv *(*gc_new)(struct graphics_priv *gr, struct graphics_gc_methods *meth);
124 void
125 (*background_gc)(struct graphics_priv *gr, struct graphics_gc_priv *gc);
126 struct graphics_priv *(*overlay_new)(const char* name, struct graphics_priv *gr, struct graphics_methods *meth, struct point *p, int w, int h, int alpha, int wraparound);
127 struct graphics_image_priv *(*image_new)(struct graphics_priv *gr, struct graphics_image_methods *meth, char *path, int *w, int *h, struct point *hot, int rotation);
128 void *(*get_data)(struct graphics_priv *gr, const char *type);
129 void (*image_free)(struct graphics_priv *gr, struct graphics_image_priv *priv);
130 void (*get_text_bbox)(struct graphics_priv *gr, struct graphics_font_priv *font, char *text, int dx, int dy, struct point *ret, int estimate);
131 void (*overlay_disable)(struct graphics_priv *gr, int disable);
132 void (*overlay_resize)(struct graphics_priv *gr, struct point *p, int w, int h, int alpha, int wraparound);
133 int (*set_attr)(struct graphics_priv *gr, struct attr *attr);
134 };
135
136 struct graphics_font_methods
137 {
138 void (*font_destroy)(struct graphics_font_priv *font);
139 };
140
141 struct graphics_font
142 {
143 struct graphics_font_priv *priv;
144 struct graphics_font_methods meth;
145 };
146
147 struct graphics_gc_methods
148 {
149 void (*gc_destroy)(struct graphics_gc_priv *gc);
150 void (*gc_set_linewidth)(struct graphics_gc_priv *gc, int width);
151 void (*gc_set_dashes)(struct graphics *gra, struct graphics_gc_priv *gc, int width, int offset, int dash_list[], int order);
152 void (*gc_set_foreground)(struct graphics_gc_priv *gc, struct color *c);
153 void (*gc_set_background)(struct graphics_gc_priv *gc, struct color *c);
154 void (*gc_set_stipple)(struct graphics_gc_priv *gc, struct graphics_image_priv *img);
155 };
156
157 struct graphics_gc
158 {
159 struct graphics_gc_priv *priv;
160 struct graphics_gc_methods meth;
161 struct graphics *gra;
162 };
163
164 struct graphics_image_methods
165 {
166 void (*image_destroy)(struct graphics_image_priv *img);
167 };
168
169 struct graphics_image
170 {
171 struct graphics_image_priv *priv;
172 struct graphics_image_methods meth;
173 int width;
174 int height;
175 struct point hot;
176 };
177
178 struct graphics_data_image
179 {
180 void *data;
181 int size;
182 };
183
184 /* prototypes */
185 enum attr_type;
186 enum draw_mode_num;
187 enum item_type;
188 struct attr;
189 struct attr_iter;
190 struct callback;
191 struct color;
192 struct displayitem;
193 struct displaylist;
194 struct displaylist_handle;
195 struct graphics;
196 struct graphics_font;
197 struct graphics_gc;
198 struct graphics_image;
199 struct item;
200 struct itemgra;
201 struct layout;
202 struct mapset;
203 struct point;
204 struct point_rect;
205 struct transformation;
206 int graphics_set_attr(struct graphics *gra, struct attr *attr);
207 void graphics_set_rect(struct graphics *gra, struct point_rect *pr);
208 struct graphics *graphics_new(struct attr *parent, struct attr **attrs);
209 int graphics_get_attr(struct graphics *this_, enum attr_type type, struct attr *attr, struct attr_iter *iter);
210 struct graphics *graphics_overlay_new(const char* name, struct graphics *parent, struct point *p, int w, int h, int alpha, int wraparound);
211 void graphics_overlay_resize(struct graphics *this_, struct point *p, int w, int h, int alpha, int wraparound);
212 void graphics_init(struct graphics *this_);
213 void *graphics_get_data(struct graphics *this_, const char *type);
214 void graphics_add_callback(struct graphics *this_, struct callback *cb);
215 void graphics_remove_callback(struct graphics *this_, struct callback *cb);
216 struct graphics_font *graphics_font_new(struct graphics *gra, int size, int flags);
217 struct graphics_font *graphics_named_font_new(struct graphics *gra, char *font, int size, int flags);
218 void graphics_free(struct graphics *gra);
219 void graphics_font_destroy_all(struct graphics *gra);
220 struct graphics_gc *graphics_gc_new(struct graphics *gra);
221 void graphics_gc_destroy(struct graphics_gc *gc);
222 void graphics_gc_set_foreground(struct graphics_gc *gc, struct color *c);
223 void graphics_gc_set_background(struct graphics_gc *gc, struct color *c);
224 void
225 graphics_gc_set_stipple(struct graphics_gc *gc, struct graphics_image *img);
226 void graphics_gc_set_linewidth(struct graphics_gc *gc, int width);
227 void graphics_gc_set_dashes(struct graphics *gra, struct graphics_gc *gc, int width, int offset, int dash_list[], int n, int order);
228 struct graphics_image *graphics_image_new_scaled(struct graphics *gra, char *path, int w, int h);
229 struct graphics_image *graphics_image_new_scaled_rotated(struct graphics *gra, char *path, int w, int h, int rotate);
230 struct graphics_image *graphics_image_new(struct graphics *gra, char *path);
231 void graphics_image_free(struct graphics *gra, struct graphics_image *img);
232 void graphics_draw_restore(struct graphics *this_, struct point *p, int w, int h);
233 void graphics_draw_mode(struct graphics *this_, enum draw_mode_num mode);
234 void graphics_draw_lines(struct graphics *this_, struct graphics_gc *gc, struct point *p, int count);
235 void graphics_draw_circle(struct graphics *this_, struct graphics_gc *gc, struct point *p, int r);
236 void graphics_draw_rectangle(struct graphics *this_, struct graphics_gc *gc, struct point *p, int w, int h);
237 void graphics_draw_rectangle_rounded(struct graphics *this_, struct graphics_gc *gc, struct point *plu, int w, int h, int r, int fill);
238 void graphics_draw_text(struct graphics *this_, struct graphics_gc *gc1, struct graphics_gc *gc2, struct graphics_font *font, char *text, struct point *p, int dx, int dy);
239 void graphics_get_text_bbox(struct graphics *this_, struct graphics_font *font, char *text, int dx, int dy, struct point *ret, int estimate);
240 void graphics_overlay_disable(struct graphics *this_, int disable);
241 void graphics_draw_image(struct graphics *this_, struct graphics_gc *gc, struct point *p, struct graphics_image *img);
242 int graphics_draw_drag(struct graphics *this_, struct point *p);
243 void graphics_background_gc(struct graphics *this_, struct graphics_gc *gc);
244 void graphics_draw_text_std(struct graphics *this_, int text_size, char *text, struct point *p);
245 char *graphics_icon_path(char *icon);
246 void graphics_draw_itemgra(struct graphics *gra, struct itemgra *itm, struct transformation *t, char *label);
247 void graphics_displaylist_draw(struct graphics *gra, struct displaylist *displaylist, struct transformation *trans, struct layout *l, int flags);
248 void graphics_draw(struct graphics *gra, struct displaylist *displaylist, struct mapset *mapset, struct transformation *trans, struct layout *l, int async, struct callback *cb, int flags);
249 int graphics_draw_cancel(struct graphics *gra, struct displaylist *displaylist);
250 struct displaylist_handle *graphics_displaylist_open(struct displaylist *displaylist);
251 struct displayitem *graphics_displaylist_next(struct displaylist_handle *dlh);
252 void graphics_displaylist_close(struct displaylist_handle *dlh);
253 struct displaylist *graphics_displaylist_new(void);
254 struct item *graphics_displayitem_get_item(struct displayitem *di);
255 int graphics_displayitem_get_coord_count(struct displayitem *di);
256 char *graphics_displayitem_get_label(struct displayitem *di);
257 int graphics_displayitem_get_displayed(struct displayitem *di);
258 int graphics_displayitem_within_dist(struct displaylist *displaylist, struct displayitem *di, struct point *p, int dist);
259 void graphics_add_selection(struct graphics *gra, struct item *item, enum item_type type, struct displaylist *dl);
260 void graphics_remove_selection(struct graphics *gra, struct item *item, enum item_type type, struct displaylist *dl);
261 void graphics_clear_selection(struct graphics *gra, struct displaylist *dl);
262 /* end of prototypes */
263 #ifdef __cplusplus
264 }
265 #endif
266
267 #endif
268

   
Visit the ZANavi Wiki