#include "config.h"
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <sys/time.h>
#include <unistd.h>

#include <X11/X.h>
#include <X11/Xlib.h>
#include <X11/Xatom.h>
#include <X11/Xutil.h>

#ifdef HAVE_FREETYPE1_FREETYPE_FREETYPE_H
#include <freetype1/freetype/freetype.h>
#else
# ifdef HAVE_FREETYPE_FREETYPE_H
#include <freetype/freetype.h>
#else
#include <freetype.h>
#endif
#endif

#include "Evas_private.h"
#include "Evas.h"

#include <Imlib2.h>

#ifndef SPANS_COMMON
#define SPANS_COMMON(x1, w1, x2, w2) \
(!((((x2) + (w2)) <= (x1)) || ((x2) >= ((x1) + (w1)))))
#define RECTS_INTERSECT(x, y, w, h, xx, yy, ww, hh) \
((SPANS_COMMON((x), (w), (xx), (ww))) && (SPANS_COMMON((y), (h), (yy), (hh))))
#endif

typedef struct _evas_x11_image    Evas_X11_Image;
typedef struct _evas_x11_font     Evas_X11_Font;
typedef struct _evas_x11_gradient Evas_X11_Graident;
typedef struct _evas_x11_color    Evas_X11_Color;
typedef struct _evas_x11_glyph    Evas_X11_Glyph;

typedef struct _evas_x11_drawable Evas_X11_Drawable;
typedef struct _evas_x11_update   Evas_X11_Update;

struct _evas_x11_drawable
{
   Display *disp;
   Window win;
   GC     gc;
   int depth;
   Evas_List tmp_images;
};

struct _evas_x11_update
{
   Pixmap p;
   int x, y, w, h;
};

struct _evas_x11_image
{
   GC gc;
   Display *disp;
   Window win;
   int pw, ph, pr, pg, pb, pa;
   Pixmap pmap;
   Pixmap mask;
   int w, h;
   int has_alpha;
   char *file;
   Imlib_Image image;
   int references;
};

struct _evas_x11_glyph
{
   int              glyph_id;
   TT_Glyph         glyph;
   
   TT_Glyph_Metrics metrics;
   
   int              pw, ph;
   Pixmap           pmap;
};

struct _evas_x11_font
{
   char *font;
   int   size;
   
   Display            *disp;

   TT_Engine           engine;
   TT_Face             face;
   TT_Instance         instance;
   TT_Face_Properties  properties;
   TT_CharMap          char_map;
   TT_Instance_Metrics metrics;

   Evas_List glyphs[256];
   
   int ascent;
   int descent;
   int max_descent;
   int max_ascent;

   int mem_use;
   
   int references;
};

struct _evas_x11_gradient
{
   Evas_List colors;
};

struct _evas_x11_color
{
   int r, g, b, a;
   int dist;
};

/***************/
/* image stuff */
/***************/
Evas_X11_Image *__evas_x11_image_new_from_file(Display *disp, char *file);
void              __evas_x11_image_free(Evas_X11_Image *im);
void              __evas_x11_image_cache_empty(Display *disp);
void              __evas_x11_image_cache_set_size(Display *disp, int size);
int               __evas_x11_image_cache_get_size(Display *disp);
int               __evas_x11_image_get_width(Evas_X11_Image *im);
int               __evas_x11_image_get_height(Evas_X11_Image *im);
void              __evas_x11_image_set_borders(Evas_X11_Image *im, int left, int right, int top, int bottom);
void              __evas_x11_image_set_smooth_scaling(int on);
void              __evas_x11_image_draw(Evas_X11_Image *im, Display *disp, Imlib_Image dstim, Window w, int win_w, int win_h, int src_x, int src_y, int src_w, int src_h, int dst_x, int dst_y, int dst_w, int dst_h, int cr, int cg, int cb, int ca);

/********/
/* text */
/********/
Evas_X11_Font  *__evas_x11_text_font_new(Display *disp, char *font, int size);
void              __evas_x11_text_font_free(Evas_X11_Font *fn);
int               __evas_x11_text_font_get_ascent(Evas_X11_Font *fn);
int               __evas_x11_text_font_get_descent(Evas_X11_Font *fn);
int               __evas_x11_text_font_get_max_ascent(Evas_X11_Font *fn);
int               __evas_x11_text_font_get_max_descent(Evas_X11_Font *fn);
void              __evas_x11_text_font_get_advances(Evas_X11_Font *fn, char *text, int *advance_horiz, int *advance_vert);
int               __evas_x11_text_font_get_first_inset(Evas_X11_Font *fn, char *text);
void              __evas_x11_text_font_add_path(char *path);
void              __evas_x11_text_font_del_path(char *path);
char            **__evas_x11_text_font_list_paths(int *count);
void              __evas_x11_text_cache_empty(Display *disp);
void              __evas_x11_text_cache_set_size(Display *disp, int size);
int               __evas_x11_text_cache_get_size(Display *disp);
void              __evas_x11_text_get_size(Evas_X11_Font *fn, char *text, int *w, int *h);
int               __evas_x11_text_get_character_at_pos(Evas_X11_Font *fn, char *text, int x, int y, int *cx, int *cy, int *cw, int *ch);
void              __evas_x11_text_get_character_number(Evas_X11_Font *fn, char *text, int num, int *cx, int *cy, int *cw, int *ch);
void              __evas_x11_text_draw(Evas_X11_Font *fn, Display *disp, Imlib_Image dstim, Window win, int win_w, int win_h, int x, int y, char *text, int r, int g, int b, int a);

/**************/
/* rectangles */
/**************/

void              __evas_x11_rectangle_draw(Display *disp, Imlib_Image dstim, Window win, int win_w, int win_h, int x, int y, int w, int h, int r, int g, int b, int a);

/*********/
/* lines */
/*********/

void              __evas_x11_line_draw(Display *disp, Imlib_Image dstim, Window win, int win_w, int win_h, int x1, int y1, int x2, int y2, int r, int g, int b, int a);

/*************/
/* gradients */
/*************/
Evas_X11_Graident *__evas_x11_gradient_new(Display *disp);
void                 __evas_x11_gradient_free(Evas_X11_Graident *gr);
void                 __evas_x11_gradient_color_add(Evas_X11_Graident *gr, int r, int g, int b, int a, int dist);
void                 __evas_x11_gradient_draw(Evas_X11_Graident *gr, Display *disp, Imlib_Image dstim, Window win, int win_w, int win_h, int x, int y, int w, int h, double angle);

/************/
/* polygons */
/************/
void                  __evas_x11_poly_draw (Display *disp, Imlib_Image dstim, Window win, int win_w, int win_h, Evas_List points, int r, int g, int b, int a);

/***********/
/* drawing */
/***********/
void         __evas_x11_set_clip_rect(int on, int x, int y, int w, int h, int r, int g, int b, int a);
void         __evas_x11_init(Display *disp, int screen, int colors);
void         __evas_x11_set_vis_cmap(Visual *vis, Colormap cmap);
int          __evas_x11_capable(Display *disp);
void         __evas_x11_flush_draw(Display *disp, Imlib_Image dstim, Window win);
void         __evas_x11_sync(Display *disp);
Visual      *__evas_x11_get_visual(Display *disp, int screen);
XVisualInfo *__evas_x11_get_visual_info(Display *disp, int screen);
Colormap     __evas_x11_get_colormap(Display *disp, int screen);
void         __evas_x11_draw_add_rect(Display *disp, Imlib_Image dstim, Window win, int x, int y, int w, int h);