/*
 * Copyright (C) 2000-2007 Carsten Haitzler, Geoff Harrison and various contributors
 * Copyright (C) 2007-2011 Kim Woelders
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies of the Software, its documentation and marketing & publicity
 * materials, and acknowledgment shall be given in the documentation, materials
 * and software packages that this Software was used.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
#include <stdio.h>
#include <Imlib2.h>
#include <X11/Xlib.h>

#define EAllocColor(pxc) \
	XAllocColor(disp, VRoot.cmap, pxc)

#ifndef MAX
#define MAX(a,b)  ((a)>(b)?(a):(b))
#endif

#define USE_XFONT 0

typedef struct _efont Efont;

typedef struct _root {
   Window              win;
   Visual             *vis;
   unsigned int        depth;
   Colormap            cmap;
   int                 scr;
   unsigned int        w, h;
} Root;

typedef struct _textstate {
   char               *fontname;
   XColor              fg_col;
   XColor              bg_col;
   int                 effect;
   Efont              *efont;
#if USE_XFONT
   XFontStruct        *xfont;
#endif
   XFontSet            xfontset;
   int                 xfontset_ascent;
   int                 height;
} TextState;

typedef struct _link {
   char               *name;
   int                 x, y, w, h;
   struct _link       *next;
} Link;

/* dox.c */
Imlib_Image         ImageLoadDoc(const char *file);
void                ESetColor(XColor * pxc, int r, int g, int b);
void                EGetColor(XColor * pxc, int *pr, int *pg, int *pb);

/* ttfont.c */
void                Efont_extents(Efont * f, const char *text,
				  int *font_ascent_return,
				  int *font_descent_return, int *width_return,
				  int *max_ascent_return,
				  int *max_descent_return,
				  int *lbearing_return, int *rbearing_return);
Efont              *Efont_load(const char *file, int size);
void                Efont_free(Efont * f);
void                EFont_draw_string(Display * disp, Drawable win, GC gc,
				      int x, int y, const char *text,
				      Efont * font, Visual * vis, Colormap cm);

/* text.c */
void                TextStateLoadFont(TextState * ts);
void                TextSize(TextState * ts, const char *text,
			     int *width, int *height);
void                TextDraw(TextState * ts, Window win, char *text,
			     int x, int y, int w, int h, int justification);

/* file.c */
int                 exists(char *s);
void                freestrlist(char **l, int num);
void                word(char *s, int num, char *wd);

/* format.c */
int                 GetObjects(FILE * f);
int                 FixPage(int p);
int                 GetPage(char *name);
void                GetLinkColors(int page_num, int *r, int *g, int *b);
Link               *RenderPage(Window win, int page_num, int w, int h);

extern Display     *disp;
extern Root         VRoot;
extern char        *docdir;

#define Emalloc     malloc
#define Erealloc    realloc
#if HAVE_FREE_NULL_BUG
#define Efree(p)    if (p) free(p)
#else
#define Efree       free
#endif

#define EMALLOC(type, num) (type*)Emalloc((num)*sizeof(type))
#define EREALLOC(type, ptr, num) (type*)Erealloc(ptr, (num)*sizeof(type))

#define Esnprintf snprintf