1 #ifndef NAVIT_GRAPHICS_H
2 #define NAVIT_GRAPHICS_H
13 struct graphics_image;
14 struct transformation;
18 draw_mode_begin, draw_mode_end, draw_mode_cursor
22 struct graphics_font_priv;
23 struct graphics_image_priv;
24 struct graphics_gc_priv;
25 struct graphics_font_methods;
26 struct graphics_gc_methods;
27 struct graphics_image_methods;
29 struct graphics_methods {
30 void (*graphics_destroy)(struct graphics_priv *gr);
31 void (*draw_mode)(struct graphics_priv *gr, enum draw_mode_num mode);
32 void (*draw_lines)(struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int count);
33 void (*draw_polygon)(struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int count);
34 void (*draw_rectangle)(struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int w, int h);
35 void (*draw_circle)(struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int r);
36 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);
37 void (*draw_image)(struct graphics_priv *gr, struct graphics_gc_priv *fg, struct point *p, struct graphics_image_priv *img);
38 void (*draw_image_warp)(struct graphics_priv *gr, struct graphics_gc_priv *fg, struct point *p, int count, char *data);
39 void (*draw_restore)(struct graphics_priv *gr, struct point *p, int w, int h);
40 struct graphics_font_priv *(*font_new)(struct graphics_priv *gr, struct graphics_font_methods *meth, int size);
41 struct graphics_gc_priv *(*gc_new)(struct graphics_priv *gr, struct graphics_gc_methods *meth);
42 void (*background_gc)(struct graphics_priv *gr, struct graphics_gc_priv *gc);
43 struct graphics_priv *(*overlay_new)(struct graphics_priv *gr, struct graphics_methods *meth, struct point *p, int w, int h);
44 struct graphics_image_priv *(*image_new)(struct graphics_priv *gr, struct graphics_image_methods *meth, char *path, int *w, int *h, struct point *hot);
45 void *(*get_data)(struct graphics_priv *gr, char *type);
46 void (*register_resize_callback)(struct graphics_priv *gr, void (*callback)(void *data, int w, int h), void *data);
47 void (*register_button_callback)(struct graphics_priv *gr, void (*callback)(void *data, int pressed, int button, struct point *p), void *data);
48 void (*register_motion_callback)(struct graphics_priv *gr, void (*callback)(void *data, struct point *p), void *data);
52 struct graphics_font_methods {
53 void (*font_destroy)(struct graphics_font_priv *font);
56 struct graphics_font {
57 struct graphics_font_priv *priv;
58 struct graphics_font_methods meth;
61 struct graphics_gc_methods {
62 void (*gc_destroy)(struct graphics_gc_priv *gc);
63 void (*gc_set_linewidth)(struct graphics_gc_priv *gc, int width);
64 void (*gc_set_dashes)(struct graphics_gc_priv *gc, unsigned char dash_list[], int n);
65 void (*gc_set_foreground)(struct graphics_gc_priv *gc, struct color *c);
66 void (*gc_set_background)(struct graphics_gc_priv *gc, struct color *c);
70 struct graphics_gc_priv *priv;
71 struct graphics_gc_methods meth;
74 struct graphics_image_methods {
75 void (*image_destroy)(struct graphics_image_priv *img);
78 struct graphics_image {
79 struct graphics_image_priv *priv;
80 struct graphics_image_methods meth;
92 struct displaylist_handle;
96 struct graphics_image;
99 struct graphics *graphics_new(const char *type, struct attr **attrs);
100 struct graphics *graphics_overlay_new(struct graphics *parent, struct point *p, int w, int h);
101 void graphics_init(struct graphics *this_);
102 void *graphics_get_data(struct graphics *this_, char *type);
103 void graphics_register_resize_callback(struct graphics *this_, void (*callback)(void *data, int w, int h), void *data);
104 void graphics_register_button_callback(struct graphics *this_, void (*callback)(void *data, int pressed, int button, struct point *p), void *data);
105 void graphics_register_motion_callback(struct graphics *this_, void (*callback)(void *data, struct point *p), void *data);
106 struct graphics_font *graphics_font_new(struct graphics *gra, int size);
107 struct graphics_gc *graphics_gc_new(struct graphics *gra);
108 void graphics_gc_destroy(struct graphics_gc *gc);
109 void graphics_gc_set_foreground(struct graphics_gc *gc, struct color *c);
110 void graphics_gc_set_background(struct graphics_gc *gc, struct color *c);
111 void graphics_gc_set_linewidth(struct graphics_gc *gc, int width);
112 struct graphics_image *graphics_image_new(struct graphics *gra, char *path);
113 void graphics_draw_restore(struct graphics *this_, struct point *p, int w, int h);
114 void graphics_draw_mode(struct graphics *this_, enum draw_mode_num mode);
115 void graphics_draw_lines(struct graphics *this_, struct graphics_gc *gc, struct point *p, int count);
116 void graphics_draw_circle(struct graphics *this_, struct graphics_gc *gc, struct point *p, int r);
117 void graphics_draw_rectangle(struct graphics *this_, struct graphics_gc *gc, struct point *p, int w, int h);
118 void display_add(struct displaylist *displaylist, struct item *item, int count, struct point *pnt, char *label);
119 int graphics_ready(struct graphics *this_);
120 void graphics_displaylist_move(struct displaylist *displaylist, int dx, int dy);
121 struct displaylist_handle *graphics_displaylist_open(struct displaylist *displaylist);
122 struct displayitem *graphics_displaylist_next(struct displaylist_handle *dlh);
123 void graphics_displaylist_close(struct displaylist_handle *dlh);
124 struct displaylist *graphics_displaylist_new(void);
125 struct item *graphics_displayitem_get_item(struct displayitem *di);
126 char *graphics_displayitem_get_label(struct displayitem *di);
127 int graphics_displayitem_within_dist(struct displayitem *di, struct point *p, int dist);
128 /* end of prototypes */