/[zanavi_public1]/navit/navit/graphics.h
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Fri Oct 28 21:19:04 2011 UTC (7 years, 11 months ago) by zoff99
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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 #endif
26 struct attr;
27 struct point;
28 struct container;
29 struct color;
30 struct graphics;
31 struct graphics_gc;
32 struct graphics_font;
33 struct graphics_image;
34 struct transformation;
35 struct display_list;
36 struct mapset;
37
38 enum draw_mode_num {
39 draw_mode_begin, draw_mode_begin_clear, draw_mode_end, draw_mode_cursor, draw_mode_end_lazy
40 };
41
42 struct graphics_priv;
43 struct graphics_font_priv;
44 struct graphics_image_priv;
45 struct graphics_gc_priv;
46 struct graphics_font_methods;
47 struct graphics_gc_methods;
48 struct graphics_image_methods;
49
50 struct graphics_methods {
51 void (*graphics_destroy)(struct graphics_priv *gr);
52 void (*draw_mode)(struct graphics_priv *gr, enum draw_mode_num mode);
53 void (*draw_lines)(struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int count);
54 void (*draw_lines2)(struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int count, int order, int oneway);
55 void (*draw_lines_dashed)(struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int count, int order, int oneway);
56 void (*draw_polygon)(struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int count);
57 void (*draw_polygon2)(struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int count, int order, int oneway);
58 void (*draw_rectangle)(struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int w, int h);
59 void (*draw_circle)(struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int r);
60 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);
61 void (*draw_image)(struct graphics_priv *gr, struct graphics_gc_priv *fg, struct point *p, struct graphics_image_priv *img);
62 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);
63 void (*send_osd_values)(struct graphics_priv *gr, struct graphics_gc_priv *fg, char *id, char *text1, char *text2, char *text3, int i1, int i2, int i3, int i4, float f1, float f2, float f3);
64 void (*draw_image_warp)(struct graphics_priv *gr, struct graphics_gc_priv *fg, struct point *p, int count, char *data);
65 void (*draw_restore)(struct graphics_priv *gr, struct point *p, int w, int h);
66 void (*draw_drag)(struct graphics_priv *gr, struct point *p);
67 struct graphics_font_priv *(*font_new)(struct graphics_priv *gr, struct graphics_font_methods *meth, char *font, int size, int flags);
68 struct graphics_gc_priv *(*gc_new)(struct graphics_priv *gr, struct graphics_gc_methods *meth);
69 void (*background_gc)(struct graphics_priv *gr, struct graphics_gc_priv *gc);
70 struct graphics_priv *(*overlay_new)(struct graphics_priv *gr, struct graphics_methods *meth, struct point *p, int w, int h, int alpha, int wraparound);
71 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);
72 void *(*get_data)(struct graphics_priv *gr, const char *type);
73 void (*image_free)(struct graphics_priv *gr, struct graphics_image_priv *priv);
74 void (*get_text_bbox)(struct graphics_priv *gr, struct graphics_font_priv *font, char *text, int dx, int dy, struct point *ret, int estimate);
75 void (*overlay_disable)(struct graphics_priv *gr, int disable);
76 void (*overlay_resize)(struct graphics_priv *gr, struct point *p, int w, int h, int alpha, int wraparound);
77 int (*set_attr)(struct graphics_priv *gr, struct attr *attr);
78 };
79
80
81 struct graphics_font_methods {
82 void (*font_destroy)(struct graphics_font_priv *font);
83 };
84
85 struct graphics_font {
86 struct graphics_font_priv *priv;
87 struct graphics_font_methods meth;
88 };
89
90 struct graphics_gc_methods {
91 void (*gc_destroy)(struct graphics_gc_priv *gc);
92 void (*gc_set_linewidth)(struct graphics_gc_priv *gc, int width);
93 void (*gc_set_dashes)(struct graphics_gc_priv *gc, int width, int offset, unsigned char dash_list[], int n);
94 void (*gc_set_foreground)(struct graphics_gc_priv *gc, struct color *c);
95 void (*gc_set_background)(struct graphics_gc_priv *gc, struct color *c);
96 void (*gc_set_stipple)(struct graphics_gc_priv *gc, struct graphics_image_priv *img);
97 };
98
99 struct graphics_gc {
100 struct graphics_gc_priv *priv;
101 struct graphics_gc_methods meth;
102 struct graphics *gra;
103 };
104
105 struct graphics_image_methods {
106 void (*image_destroy)(struct graphics_image_priv *img);
107 };
108
109 struct graphics_image {
110 struct graphics_image_priv *priv;
111 struct graphics_image_methods meth;
112 int width;
113 int height;
114 struct point hot;
115 };
116
117 struct graphics_data_image {
118 void *data;
119 int size;
120 };
121
122 /* prototypes */
123 enum attr_type;
124 enum draw_mode_num;
125 enum item_type;
126 struct attr;
127 struct attr_iter;
128 struct callback;
129 struct color;
130 struct displayitem;
131 struct displaylist;
132 struct displaylist_handle;
133 struct graphics;
134 struct graphics_font;
135 struct graphics_gc;
136 struct graphics_image;
137 struct item;
138 struct itemgra;
139 struct layout;
140 struct mapset;
141 struct point;
142 struct point_rect;
143 struct transformation;
144 int graphics_set_attr(struct graphics *gra, struct attr *attr);
145 void graphics_set_rect(struct graphics *gra, struct point_rect *pr);
146 struct graphics *graphics_new(struct attr *parent, struct attr **attrs);
147 int graphics_get_attr(struct graphics *this_, enum attr_type type, struct attr *attr, struct attr_iter *iter);
148 struct graphics *graphics_overlay_new(struct graphics *parent, struct point *p, int w, int h, int alpha, int wraparound);
149 void graphics_overlay_resize(struct graphics *this_, struct point *p, int w, int h, int alpha, int wraparound);
150 void graphics_init(struct graphics *this_);
151 void *graphics_get_data(struct graphics *this_, const char *type);
152 void graphics_add_callback(struct graphics *this_, struct callback *cb);
153 void graphics_remove_callback(struct graphics *this_, struct callback *cb);
154 struct graphics_font *graphics_font_new(struct graphics *gra, int size, int flags);
155 struct graphics_font *graphics_named_font_new(struct graphics *gra, char *font, int size, int flags);
156 void graphics_free(struct graphics *gra);
157 void graphics_font_destroy_all(struct graphics *gra);
158 struct graphics_gc *graphics_gc_new(struct graphics *gra);
159 void graphics_gc_destroy(struct graphics_gc *gc);
160 void graphics_gc_set_foreground(struct graphics_gc *gc, struct color *c);
161 void graphics_gc_set_background(struct graphics_gc *gc, struct color *c);
162 void graphics_gc_set_stipple(struct graphics_gc *gc, struct graphics_image *img);
163 void graphics_gc_set_linewidth(struct graphics_gc *gc, int width);
164 void graphics_gc_set_dashes(struct graphics_gc *gc, int width, int offset, unsigned char dash_list[], int n);
165 struct graphics_image *graphics_image_new_scaled(struct graphics *gra, char *path, int w, int h);
166 struct graphics_image *graphics_image_new_scaled_rotated(struct graphics *gra, char *path, int w, int h, int rotate);
167 struct graphics_image *graphics_image_new(struct graphics *gra, char *path);
168 void graphics_image_free(struct graphics *gra, struct graphics_image *img);
169 void graphics_draw_restore(struct graphics *this_, struct point *p, int w, int h);
170 void graphics_draw_mode(struct graphics *this_, enum draw_mode_num mode);
171 void graphics_draw_lines(struct graphics *this_, struct graphics_gc *gc, struct point *p, int count);
172 void graphics_draw_circle(struct graphics *this_, struct graphics_gc *gc, struct point *p, int r);
173 void graphics_draw_rectangle(struct graphics *this_, struct graphics_gc *gc, struct point *p, int w, int h);
174 void graphics_draw_rectangle_rounded(struct graphics *this_, struct graphics_gc *gc, struct point *plu, int w, int h, int r, int fill);
175 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);
176 void graphics_get_text_bbox(struct graphics *this_, struct graphics_font *font, char *text, int dx, int dy, struct point *ret, int estimate);
177 void graphics_overlay_disable(struct graphics *this_, int disable);
178 void graphics_draw_image(struct graphics *this_, struct graphics_gc *gc, struct point *p, struct graphics_image *img);
179 int graphics_draw_drag(struct graphics *this_, struct point *p);
180 void graphics_background_gc(struct graphics *this_, struct graphics_gc *gc);
181 void graphics_draw_text_std(struct graphics *this_, int text_size, char *text, struct point *p);
182 char *graphics_icon_path(char *icon);
183 void graphics_draw_itemgra(struct graphics *gra, struct itemgra *itm, struct transformation *t, char *label);
184 void graphics_displaylist_draw(struct graphics *gra, struct displaylist *displaylist, struct transformation *trans, struct layout *l, int flags);
185 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);
186 int graphics_draw_cancel(struct graphics *gra, struct displaylist *displaylist);
187 struct displaylist_handle *graphics_displaylist_open(struct displaylist *displaylist);
188 struct displayitem *graphics_displaylist_next(struct displaylist_handle *dlh);
189 void graphics_displaylist_close(struct displaylist_handle *dlh);
190 struct displaylist *graphics_displaylist_new(void);
191 struct item *graphics_displayitem_get_item(struct displayitem *di);
192 int graphics_displayitem_get_coord_count(struct displayitem *di);
193 char *graphics_displayitem_get_label(struct displayitem *di);
194 int graphics_displayitem_get_displayed(struct displayitem *di);
195 int graphics_displayitem_within_dist(struct displaylist *displaylist, struct displayitem *di, struct point *p, int dist);
196 void graphics_add_selection(struct graphics *gra, struct item *item, enum item_type type, struct displaylist *dl);
197 void graphics_remove_selection(struct graphics *gra, struct item *item, enum item_type type, struct displaylist *dl);
198 void graphics_clear_selection(struct graphics *gra, struct displaylist *dl);
199 /* end of prototypes */
200 #ifdef __cplusplus
201 }
202 #endif
203
204 #endif
205

   
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