/[zanavi_public1]/navit/navit/graphics.h
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Revision 30 - (hide annotations) (download)
Wed Aug 22 17:01:27 2012 UTC (7 years, 1 month ago) by zoff99
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ZANavi 2.0, lots of changes, everything in its own thread, more performance
1 zoff99 2 /**
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 zoff99 27 extern "C"
25     {
26 zoff99 2 #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 zoff99 27 enum draw_mode_num
40     {
41 zoff99 30 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 // 4
46 zoff99 2 };
47    
48 zoff99 27 #include "item.h"
49    
50     struct display_context
51     {
52     struct graphics *gra;
53     struct element *e;
54     struct graphics_gc *gc;
55     struct graphics_gc *gc_background;
56     struct graphics_image *img;
57     enum projection pro;
58     int mindist;
59     struct transformation *trans;
60     enum item_type type;
61     int maxlen;
62     };
63    
64     //#define HASH_SIZE_GRAPHICS_ 1024
65     #define HASH_SIZE_GRAPHICS_ 2048 // inc. hash size for layer items
66 zoff99 28
67 zoff99 27 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 zoff99 2 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 zoff99 27 struct graphics_methods
102     {
103 zoff99 2 void (*graphics_destroy)(struct graphics_priv *gr);
104     void (*draw_mode)(struct graphics_priv *gr, enum draw_mode_num mode);
105 zoff99 27 void (*draw_lines)(struct graphics_priv *gr, struct graphics_gc_priv *gc,
106     struct point *p, int count);
107     void (*draw_lines2)(struct graphics_priv *gr, struct graphics_gc_priv *gc,
108     struct point *p, int count, int order, int oneway);
109     void (*draw_lines3)(struct graphics_priv *gr, struct graphics_gc_priv *gc,
110 zoff99 30 struct point *p, int count, int order, int width, int dashes, struct color *c);
111 zoff99 27 void (*draw_lines4)(struct graphics_priv *gr, struct graphics_gc_priv *gc,
112 zoff99 30 struct point *p, int count, int order, int width, int type, int dashes, struct color *c);
113 zoff99 27 void (*draw_lines_dashed)(struct graphics_priv *gr,
114     struct graphics_gc_priv *gc, struct point *p, int count, int order,
115     int oneway);
116     void (*draw_polygon)(struct graphics_priv *gr, struct graphics_gc_priv *gc,
117     struct point *p, int count);
118     void (*draw_polygon2)(struct graphics_priv *gr,
119     struct graphics_gc_priv *gc, struct point *p, int count, int order,
120     int oneway);
121     void (*draw_rectangle)(struct graphics_priv *gr,
122     struct graphics_gc_priv *gc, struct point *p, int w, int h);
123     void (*draw_circle)(struct graphics_priv *gr, struct graphics_gc_priv *gc,
124     struct point *p, int r);
125     void (*draw_text)(struct graphics_priv *gr, struct graphics_gc_priv *fg,
126     struct graphics_gc_priv *bg, struct graphics_font_priv *font,
127     char *text, struct point *p, int dx, int dy);
128     void (*draw_image)(struct graphics_priv *gr, struct graphics_gc_priv *fg,
129     struct point *p, struct graphics_image_priv *img);
130     void (*draw_bigmap)(struct graphics_priv *gr, struct graphics_gc_priv *fg,
131     int yaw, int order, float clat, float clng, int x, int y, int scx,
132     int scy, int px, int py, int valid);
133     void
134     (*draw_image_warp)(struct graphics_priv *gr,
135     struct graphics_gc_priv *fg, struct point *p, int count,
136     char *data);
137     void (*draw_restore)(struct graphics_priv *gr, struct point *p, int w,
138     int h);
139 zoff99 2 void (*draw_drag)(struct graphics_priv *gr, struct point *p);
140 zoff99 27 struct graphics_font_priv
141     *(*font_new)(struct graphics_priv *gr,
142     struct graphics_font_methods *meth, char *font, int size,
143     int flags);
144     struct graphics_gc_priv *(*gc_new)(struct graphics_priv *gr,
145     struct graphics_gc_methods *meth);
146     void
147     (*background_gc)(struct graphics_priv *gr,
148     struct graphics_gc_priv *gc);
149 zoff99 30 struct graphics_priv *(*overlay_new)(const char* name, struct graphics_priv *gr,
150 zoff99 27 struct graphics_methods *meth, struct point *p, int w, int h,
151     int alpha, int wraparound);
152     struct graphics_image_priv *(*image_new)(struct graphics_priv *gr,
153     struct graphics_image_methods *meth, char *path, int *w, int *h,
154     struct point *hot, int rotation);
155 zoff99 2 void *(*get_data)(struct graphics_priv *gr, const char *type);
156 zoff99 27 void (*image_free)(struct graphics_priv *gr,
157     struct graphics_image_priv *priv);
158     void (*get_text_bbox)(struct graphics_priv *gr,
159     struct graphics_font_priv *font, char *text, int dx, int dy,
160     struct point *ret, int estimate);
161 zoff99 2 void (*overlay_disable)(struct graphics_priv *gr, int disable);
162 zoff99 27 void (*overlay_resize)(struct graphics_priv *gr, struct point *p, int w,
163     int h, int alpha, int wraparound);
164 zoff99 2 int (*set_attr)(struct graphics_priv *gr, struct attr *attr);
165     };
166    
167 zoff99 27 struct graphics_font_methods
168     {
169 zoff99 2 void (*font_destroy)(struct graphics_font_priv *font);
170     };
171    
172 zoff99 27 struct graphics_font
173     {
174 zoff99 2 struct graphics_font_priv *priv;
175     struct graphics_font_methods meth;
176     };
177    
178 zoff99 27 struct graphics_gc_methods
179     {
180 zoff99 2 void (*gc_destroy)(struct graphics_gc_priv *gc);
181     void (*gc_set_linewidth)(struct graphics_gc_priv *gc, int width);
182 zoff99 27 void (*gc_set_dashes)(struct graphics *gra, struct graphics_gc_priv *gc, int width, int offset,
183     int dash_list[], int order);
184 zoff99 2 void (*gc_set_foreground)(struct graphics_gc_priv *gc, struct color *c);
185     void (*gc_set_background)(struct graphics_gc_priv *gc, struct color *c);
186 zoff99 27 void (*gc_set_stipple)(struct graphics_gc_priv *gc,
187     struct graphics_image_priv *img);
188 zoff99 2 };
189    
190 zoff99 27 struct graphics_gc
191     {
192 zoff99 2 struct graphics_gc_priv *priv;
193     struct graphics_gc_methods meth;
194     struct graphics *gra;
195     };
196    
197 zoff99 27 struct graphics_image_methods
198     {
199 zoff99 2 void (*image_destroy)(struct graphics_image_priv *img);
200     };
201    
202 zoff99 27 struct graphics_image
203     {
204 zoff99 2 struct graphics_image_priv *priv;
205     struct graphics_image_methods meth;
206     int width;
207     int height;
208     struct point hot;
209     };
210    
211 zoff99 27 struct graphics_data_image
212     {
213 zoff99 2 void *data;
214     int size;
215     };
216    
217     /* prototypes */
218     enum attr_type;
219     enum draw_mode_num;
220     enum item_type;
221     struct attr;
222     struct attr_iter;
223     struct callback;
224     struct color;
225     struct displayitem;
226     struct displaylist;
227     struct displaylist_handle;
228     struct graphics;
229     struct graphics_font;
230     struct graphics_gc;
231     struct graphics_image;
232     struct item;
233     struct itemgra;
234     struct layout;
235     struct mapset;
236     struct point;
237     struct point_rect;
238     struct transformation;
239     int graphics_set_attr(struct graphics *gra, struct attr *attr);
240     void graphics_set_rect(struct graphics *gra, struct point_rect *pr);
241     struct graphics *graphics_new(struct attr *parent, struct attr **attrs);
242 zoff99 27 int graphics_get_attr(struct graphics *this_, enum attr_type type,
243     struct attr *attr, struct attr_iter *iter);
244 zoff99 30 struct graphics *graphics_overlay_new(const char* name, struct graphics *parent, struct point *p,
245 zoff99 27 int w, int h, int alpha, int wraparound);
246     void graphics_overlay_resize(struct graphics *this_, struct point *p, int w,
247     int h, int alpha, int wraparound);
248 zoff99 2 void graphics_init(struct graphics *this_);
249     void *graphics_get_data(struct graphics *this_, const char *type);
250     void graphics_add_callback(struct graphics *this_, struct callback *cb);
251     void graphics_remove_callback(struct graphics *this_, struct callback *cb);
252 zoff99 27 struct graphics_font *graphics_font_new(struct graphics *gra, int size,
253     int flags);
254     struct graphics_font *graphics_named_font_new(struct graphics *gra, char *font,
255     int size, int flags);
256 zoff99 2 void graphics_free(struct graphics *gra);
257     void graphics_font_destroy_all(struct graphics *gra);
258     struct graphics_gc *graphics_gc_new(struct graphics *gra);
259     void graphics_gc_destroy(struct graphics_gc *gc);
260     void graphics_gc_set_foreground(struct graphics_gc *gc, struct color *c);
261     void graphics_gc_set_background(struct graphics_gc *gc, struct color *c);
262 zoff99 27 void
263     graphics_gc_set_stipple(struct graphics_gc *gc,
264     struct graphics_image *img);
265 zoff99 2 void graphics_gc_set_linewidth(struct graphics_gc *gc, int width);
266 zoff99 27 void graphics_gc_set_dashes(struct graphics *gra, struct graphics_gc *gc, int width, int offset,
267     int dash_list[], int n, int order);
268     struct graphics_image *graphics_image_new_scaled(struct graphics *gra,
269     char *path, int w, int h);
270     struct graphics_image *graphics_image_new_scaled_rotated(struct graphics *gra,
271     char *path, int w, int h, int rotate);
272 zoff99 2 struct graphics_image *graphics_image_new(struct graphics *gra, char *path);
273     void graphics_image_free(struct graphics *gra, struct graphics_image *img);
274 zoff99 27 void graphics_draw_restore(struct graphics *this_, struct point *p, int w,
275     int h);
276 zoff99 2 void graphics_draw_mode(struct graphics *this_, enum draw_mode_num mode);
277 zoff99 27 void graphics_draw_lines(struct graphics *this_, struct graphics_gc *gc,
278     struct point *p, int count);
279     void graphics_draw_circle(struct graphics *this_, struct graphics_gc *gc,
280     struct point *p, int r);
281     void graphics_draw_rectangle(struct graphics *this_, struct graphics_gc *gc,
282     struct point *p, int w, int h);
283     void graphics_draw_rectangle_rounded(struct graphics *this_,
284     struct graphics_gc *gc, struct point *plu, int w, int h, int r,
285     int fill);
286     void graphics_draw_text(struct graphics *this_, struct graphics_gc *gc1,
287     struct graphics_gc *gc2, struct graphics_font *font, char *text,
288     struct point *p, int dx, int dy);
289     void graphics_get_text_bbox(struct graphics *this_, struct graphics_font *font,
290     char *text, int dx, int dy, struct point *ret, int estimate);
291 zoff99 2 void graphics_overlay_disable(struct graphics *this_, int disable);
292 zoff99 27 void graphics_draw_image(struct graphics *this_, struct graphics_gc *gc,
293     struct point *p, struct graphics_image *img);
294 zoff99 2 int graphics_draw_drag(struct graphics *this_, struct point *p);
295     void graphics_background_gc(struct graphics *this_, struct graphics_gc *gc);
296 zoff99 27 void graphics_draw_text_std(struct graphics *this_, int text_size, char *text,
297     struct point *p);
298 zoff99 2 char *graphics_icon_path(char *icon);
299 zoff99 27 void graphics_draw_itemgra(struct graphics *gra, struct itemgra *itm,
300     struct transformation *t, char *label);
301     void graphics_displaylist_draw(struct graphics *gra,
302     struct displaylist *displaylist, struct transformation *trans,
303     struct layout *l, int flags);
304     void graphics_draw(struct graphics *gra, struct displaylist *displaylist,
305     struct mapset *mapset, struct transformation *trans, struct layout *l,
306     int async, struct callback *cb, int flags);
307 zoff99 2 int graphics_draw_cancel(struct graphics *gra, struct displaylist *displaylist);
308 zoff99 27 struct displaylist_handle *graphics_displaylist_open(
309     struct displaylist *displaylist);
310 zoff99 2 struct displayitem *graphics_displaylist_next(struct displaylist_handle *dlh);
311     void graphics_displaylist_close(struct displaylist_handle *dlh);
312     struct displaylist *graphics_displaylist_new(void);
313     struct item *graphics_displayitem_get_item(struct displayitem *di);
314     int graphics_displayitem_get_coord_count(struct displayitem *di);
315     char *graphics_displayitem_get_label(struct displayitem *di);
316     int graphics_displayitem_get_displayed(struct displayitem *di);
317 zoff99 27 int graphics_displayitem_within_dist(struct displaylist *displaylist,
318     struct displayitem *di, struct point *p, int dist);
319     void graphics_add_selection(struct graphics *gra, struct item *item,
320     enum item_type type, struct displaylist *dl);
321     void graphics_remove_selection(struct graphics *gra, struct item *item,
322     enum item_type type, struct displaylist *dl);
323 zoff99 2 void graphics_clear_selection(struct graphics *gra, struct displaylist *dl);
324     /* end of prototypes */
325     #ifdef __cplusplus
326     }
327     #endif
328    
329     #endif
330    

   
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