2 * Navit, a modular navigation system.
3 * Copyright (C) 2005-2008 Navit Team
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.
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.
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.
20 #ifndef NAVIT_GRAPHICS_H
21 #define NAVIT_GRAPHICS_H
32 struct graphics_image;
33 struct transformation;
37 draw_mode_begin, draw_mode_end, draw_mode_cursor, draw_mode_end_lazy
41 struct graphics_font_priv;
42 struct graphics_image_priv;
43 struct graphics_gc_priv;
44 struct graphics_font_methods;
45 struct graphics_gc_methods;
46 struct graphics_image_methods;
48 struct graphics_methods {
49 void (*graphics_destroy)(struct graphics_priv *gr);
50 void (*draw_mode)(struct graphics_priv *gr, enum draw_mode_num mode);
51 void (*draw_lines)(struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int count);
52 void (*draw_polygon)(struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int count);
53 void (*draw_rectangle)(struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int w, int h);
54 void (*draw_circle)(struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int r);
55 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);
56 void (*draw_image)(struct graphics_priv *gr, struct graphics_gc_priv *fg, struct point *p, struct graphics_image_priv *img);
57 void (*draw_image_warp)(struct graphics_priv *gr, struct graphics_gc_priv *fg, struct point *p, int count, char *data);
58 void (*draw_restore)(struct graphics_priv *gr, struct point *p, int w, int h);
59 void (*draw_drag)(struct graphics_priv *gr, struct point *p);
60 struct graphics_font_priv *(*font_new)(struct graphics_priv *gr, struct graphics_font_methods *meth, char *font, int size, int flags);
61 struct graphics_gc_priv *(*gc_new)(struct graphics_priv *gr, struct graphics_gc_methods *meth);
62 void (*background_gc)(struct graphics_priv *gr, struct graphics_gc_priv *gc);
63 struct graphics_priv *(*overlay_new)(struct graphics_priv *gr, struct graphics_methods *meth, struct point *p, int w, int h, int alpha, int wraparound);
64 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);
65 void *(*get_data)(struct graphics_priv *gr, char *type);
66 void (*image_free)(struct graphics_priv *gr, struct graphics_image_priv *priv);
67 void (*get_text_bbox)(struct graphics_priv *gr, struct graphics_font_priv *font, char *text, int dx, int dy, struct point *ret, int estimate);
68 void (*overlay_disable)(struct graphics_priv *gr, int disable);
72 struct graphics_font_methods {
73 void (*font_destroy)(struct graphics_font_priv *font);
76 struct graphics_font {
77 struct graphics_font_priv *priv;
78 struct graphics_font_methods meth;
81 struct graphics_gc_methods {
82 void (*gc_destroy)(struct graphics_gc_priv *gc);
83 void (*gc_set_linewidth)(struct graphics_gc_priv *gc, int width);
84 void (*gc_set_dashes)(struct graphics_gc_priv *gc, int width, int offset, unsigned char dash_list[], int n);
85 void (*gc_set_foreground)(struct graphics_gc_priv *gc, struct color *c);
86 void (*gc_set_background)(struct graphics_gc_priv *gc, struct color *c);
90 struct graphics_gc_priv *priv;
91 struct graphics_gc_methods meth;
94 struct graphics_image_methods {
95 void (*image_destroy)(struct graphics_image_priv *img);
98 struct graphics_image {
99 struct graphics_image_priv *priv;
100 struct graphics_image_methods meth;
115 struct displaylist_handle;
117 struct graphics_font;
119 struct graphics_image;
125 struct transformation;
126 void graphics_set_rect(struct graphics *gra, struct point_rect *pr);
127 struct graphics *graphics_new(struct attr *parent, struct attr **attrs);
128 int graphics_get_attr(struct graphics *this_, enum attr_type type, struct attr *attr, struct attr_iter *iter);
129 struct graphics *graphics_overlay_new(struct graphics *parent, struct point *p, int w, int h, int alpha, int wraparound);
130 void graphics_init(struct graphics *this_);
131 void *graphics_get_data(struct graphics *this_, char *type);
132 void graphics_add_callback(struct graphics *this_, struct callback *cb);
133 void graphics_remove_callback(struct graphics *this_, struct callback *cb);
134 struct graphics_font *graphics_font_new(struct graphics *gra, int size, int flags);
135 void graphics_font_destroy_all(struct graphics *gra);
136 struct graphics_gc *graphics_gc_new(struct graphics *gra);
137 void graphics_gc_destroy(struct graphics_gc *gc);
138 void graphics_gc_set_foreground(struct graphics_gc *gc, struct color *c);
139 void graphics_gc_set_background(struct graphics_gc *gc, struct color *c);
140 void graphics_gc_set_linewidth(struct graphics_gc *gc, int width);
141 void graphics_gc_set_dashes(struct graphics_gc *gc, int width, int offset, unsigned char dash_list[], int n);
142 struct graphics_image *graphics_image_new_scaled(struct graphics *gra, char *path, int w, int h);
143 struct graphics_image *graphics_image_new_scaled_rotated(struct graphics *gra, char *path, int w, int h, int rotate);
144 struct graphics_image *graphics_image_new(struct graphics *gra, char *path);
145 void graphics_image_free(struct graphics *gra, struct graphics_image *img);
146 void graphics_draw_restore(struct graphics *this_, struct point *p, int w, int h);
147 void graphics_draw_mode(struct graphics *this_, enum draw_mode_num mode);
148 void graphics_draw_lines(struct graphics *this_, struct graphics_gc *gc, struct point *p, int count);
149 void graphics_draw_circle(struct graphics *this_, struct graphics_gc *gc, struct point *p, int r);
150 void graphics_draw_rectangle(struct graphics *this_, struct graphics_gc *gc, struct point *p, int w, int h);
151 void graphics_draw_rectangle_rounded(struct graphics *this_, struct graphics_gc *gc, struct point *plu, int w, int h, int r, int fill);
152 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);
153 void graphics_get_text_bbox(struct graphics *this_, struct graphics_font *font, char *text, int dx, int dy, struct point *ret, int estimate);
154 void graphics_overlay_disable(struct graphics *this_, int disable);
155 void graphics_draw_image(struct graphics *this_, struct graphics_gc *gc, struct point *p, struct graphics_image *img);
156 int graphics_draw_drag(struct graphics *this_, struct point *p);
157 void graphics_background_gc(struct graphics *this_, struct graphics_gc *gc);
158 void graphics_draw_itemgra(struct graphics *gra, struct itemgra *itm, struct transformation *t);
159 void graphics_displaylist_draw(struct graphics *gra, struct displaylist *displaylist, struct transformation *trans, struct layout *l, int callback);
160 void graphics_draw(struct graphics *gra, struct displaylist *displaylist, GList *mapsets, struct transformation *trans, struct layout *l, int async, struct callback *cb);
161 int graphics_draw_cancel(struct graphics *gra, struct displaylist *displaylist);
162 struct displaylist_handle *graphics_displaylist_open(struct displaylist *displaylist);
163 struct displayitem *graphics_displaylist_next(struct displaylist_handle *dlh);
164 void graphics_displaylist_close(struct displaylist_handle *dlh);
165 struct displaylist *graphics_displaylist_new(void);
166 struct item *graphics_displayitem_get_item(struct displayitem *di);
167 char *graphics_displayitem_get_label(struct displayitem *di);
168 int graphics_displayitem_within_dist(struct displaylist *displaylist, struct displayitem *di, struct point *p, int dist);
169 void graphics_add_selection(struct graphics *gra, struct item *item, struct displaylist *dl);
170 void graphics_remove_selection(struct graphics *gra, struct item *item, struct displaylist *dl);
171 void graphics_clear_selection(struct graphics *gra, struct displaylist *dl);
172 /* end of prototypes */