#ifndef NAVIT_GRAPHICS_H
#define NAVIT_GRAPHICS_H

#ifdef __cplusplus
extern "C" {
#endif
struct point;
struct container;
struct color;
struct graphics;
struct graphics_gc;
struct graphics_font;
struct graphics_image;
struct transformation;
struct display_list;

enum draw_mode_num {
	draw_mode_begin, draw_mode_end, draw_mode_cursor
};

struct graphics_priv;
struct graphics_font_priv;
struct graphics_image_priv;
struct graphics_gc_priv;
struct graphics_font_methods;
struct graphics_gc_methods;
struct graphics_image_methods;

struct graphics_methods {
	void (*graphics_destroy)(struct graphics_priv *gr);
	void (*draw_mode)(struct graphics_priv *gr, enum draw_mode_num mode);
	void (*draw_lines)(struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int count);
	void (*draw_polygon)(struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int count);
	void (*draw_rectangle)(struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int w, int h);
	void (*draw_circle)(struct graphics_priv *gr, struct graphics_gc_priv *gc, struct point *p, int r);
	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);
	void (*draw_image)(struct graphics_priv *gr, struct graphics_gc_priv *fg, struct point *p, struct graphics_image_priv *img);
	void (*draw_image_warp)(struct graphics_priv *gr, struct graphics_gc_priv *fg, struct point *p, int count, char *data);
	void (*draw_restore)(struct graphics_priv *gr, struct point *p, int w, int h);
	struct graphics_font_priv *(*font_new)(struct graphics_priv *gr, struct graphics_font_methods *meth, int size, int flags);
	struct graphics_gc_priv *(*gc_new)(struct graphics_priv *gr, struct graphics_gc_methods *meth);
	void (*background_gc)(struct graphics_priv *gr, struct graphics_gc_priv *gc);
	struct graphics_priv *(*overlay_new)(struct graphics_priv *gr, struct graphics_methods *meth, struct point *p, int w, int h);
	struct graphics_image_priv *(*image_new)(struct graphics_priv *gr, struct graphics_image_methods *meth, char *path, int *w, int *h, struct point *hot);
	void *(*get_data)(struct graphics_priv *gr, char *type);
	void (*register_resize_callback)(struct graphics_priv *gr, void (*callback)(void *data, int w, int h), void *data);
	void (*register_button_callback)(struct graphics_priv *gr, void (*callback)(void *data, int pressed, int button, struct point *p), void *data);
	void (*register_motion_callback)(struct graphics_priv *gr, void (*callback)(void *data, struct point *p), void *data);
	void (*image_free)(struct graphics_priv *gr, struct graphics_image_priv *priv);
};


struct graphics_font_methods {
	void (*font_destroy)(struct graphics_font_priv *font);
};

struct graphics_font {
	struct graphics_font_priv *priv;
	struct graphics_font_methods meth;
};

struct graphics_gc_methods {
	void (*gc_destroy)(struct graphics_gc_priv *gc);
	void (*gc_set_linewidth)(struct graphics_gc_priv *gc, int width);
	void (*gc_set_dashes)(struct graphics_gc_priv *gc, int width, int offset, unsigned char dash_list[], int n);
	void (*gc_set_foreground)(struct graphics_gc_priv *gc, struct color *c);
	void (*gc_set_background)(struct graphics_gc_priv *gc, struct color *c);
};

struct graphics_gc {
	struct graphics_gc_priv *priv;
	struct graphics_gc_methods meth;
};

struct graphics_image_methods {
	void (*image_destroy)(struct graphics_image_priv *img);
};

struct graphics_image {
	struct graphics_image_priv *priv;
	struct graphics_image_methods meth;
	int width;
	int height;
	struct point hot;
};

/* prototypes */
enum attr_type;
enum draw_mode_num;
struct attr;
struct attr_iter;
struct color;
struct displayitem;
struct displaylist;
struct displaylist_handle;
struct graphics;
struct graphics_font;
struct graphics_gc;
struct graphics_image;
struct item;
struct layout;
struct point;
struct transformation;
struct graphics *graphics_new(struct attr *parent, struct attr **attrs);
int graphics_get_attr(struct graphics *this_, enum attr_type type, struct attr *attr, struct attr_iter *iter);
struct graphics *graphics_overlay_new(struct graphics *parent, struct point *p, int w, int h);
void graphics_init(struct graphics *this_);
void *graphics_get_data(struct graphics *this_, char *type);
void graphics_register_resize_callback(struct graphics *this_, void (*callback)(void *data, int w, int h), void *data);
void graphics_register_button_callback(struct graphics *this_, void (*callback)(void *data, int pressed, int button, struct point *p), void *data);
void graphics_register_motion_callback(struct graphics *this_, void (*callback)(void *data, struct point *p), void *data);
struct graphics_font *graphics_font_new(struct graphics *gra, int size, int flags);
struct graphics_gc *graphics_gc_new(struct graphics *gra);
void graphics_gc_destroy(struct graphics_gc *gc);
void graphics_gc_set_foreground(struct graphics_gc *gc, struct color *c);
void graphics_gc_set_background(struct graphics_gc *gc, struct color *c);
void graphics_gc_set_linewidth(struct graphics_gc *gc, int width);
void graphics_gc_set_dashes(struct graphics_gc *gc, int width, int offset, unsigned char dash_list[], int n);
struct graphics_image *graphics_image_new(struct graphics *gra, char *path);
void graphics_image_free(struct graphics *gra, struct graphics_image *img);
void graphics_draw_restore(struct graphics *this_, struct point *p, int w, int h);
void graphics_draw_mode(struct graphics *this_, enum draw_mode_num mode);
void graphics_draw_lines(struct graphics *this_, struct graphics_gc *gc, struct point *p, int count);
void graphics_draw_circle(struct graphics *this_, struct graphics_gc *gc, struct point *p, int r);
void graphics_draw_rectangle(struct graphics *this_, struct graphics_gc *gc, struct point *p, int w, int h);
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);
void graphics_draw_image(struct graphics *this_, struct graphics_gc *gc, struct point *p, struct graphics_image *img);
void display_add(struct displaylist *displaylist, struct item *item, int count, struct point *pnt, char *label);
int graphics_ready(struct graphics *this_);
void graphics_displaylist_draw(struct graphics *gra, struct displaylist *displaylist, struct transformation *trans, struct layout *l);
void graphics_displaylist_move(struct displaylist *displaylist, int dx, int dy);
void graphics_draw(struct graphics *gra, struct displaylist *displaylist, GList *mapsets, struct transformation *trans, struct layout *l);
struct displaylist_handle *graphics_displaylist_open(struct displaylist *displaylist);
struct displayitem *graphics_displaylist_next(struct displaylist_handle *dlh);
void graphics_displaylist_close(struct displaylist_handle *dlh);
struct displaylist *graphics_displaylist_new(void);
struct item *graphics_displayitem_get_item(struct displayitem *di);
char *graphics_displayitem_get_label(struct displayitem *di);
int graphics_displayitem_within_dist(struct displayitem *di, struct point *p, int dist);
/* end of prototypes */
#ifdef __cplusplus
}
#endif

#endif