hpdf_utils.h

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/*
 * << Haru Free PDF Library >> -- fpdf_utils.h
 *
 * URL: http://libharu.org
 *
 * Copyright (c) 1999-2006 Takeshi Kanno <takeshi_kanno@est.hi-ho.ne.jp>
 * Copyright (c) 2007-2009 Antony Dovgal <tony@daylessday.org>
 *
 * Permission to use, copy, modify, distribute and sell this software
 * and its documentation for any purpose is hereby granted without fee,
 * provided that the above copyright notice appear in all copies and
 * that both that copyright notice and this permission notice appear
 * in supporting documentation.
 * It is provided "as is" without express or implied warranty.
 *
 */
 
#ifndef _HPDF_UTILS_H
#define _HPDF_UTILS_H
 
#include "hpdf_config.h"
#include "hpdf_types.h"
#include "hpdf_page_sizes.h"
 
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
 
HPDF_INT
HPDF_AToI  (const char*  s);
 
 
HPDF_DOUBLE
HPDF_AToF  (const char*  s);
 
 
char*
HPDF_IToA  (char*  s,
            HPDF_INT32  val,
            char*  eptr);
 
 
char*
HPDF_IToA2  (char    *s,
             HPDF_UINT32  val,
             HPDF_UINT    len);
 
 
char*
HPDF_FToA  (char  *s,
            HPDF_REAL  val,
            char  *eptr);
 
 
HPDF_BYTE*
HPDF_MemCpy  (HPDF_BYTE*        out,
              const HPDF_BYTE*  in,
              HPDF_UINT         n);
 
 
HPDF_BYTE*
HPDF_StrCpy  (char*        out,
              const char*  in,
              char*        eptr);
 
 
HPDF_INT
HPDF_MemCmp  (const HPDF_BYTE*  s1,
              const HPDF_BYTE*  s2,
              HPDF_UINT         n);
 
 
HPDF_INT
HPDF_StrCmp  (const char*  s1,
              const char*  s2);
 
 
const char*
HPDF_StrStr  (const char  *s1,
              const char  *s2,
              HPDF_UINT        maxlen);
 
 
void*
HPDF_MemSet  (void*      s,
              HPDF_BYTE  c,
              HPDF_UINT  n);
 
 
HPDF_UINT
HPDF_StrLen  (const char*  s,
              HPDF_INT          maxlen);
 
 
HPDF_Box
HPDF_ToBox  (HPDF_INT16  left,
             HPDF_INT16  bottom,
             HPDF_INT16  right,
             HPDF_INT16  top);
 
 
HPDF_Point
HPDF_ToPoint  (HPDF_INT16  x,
               HPDF_INT16  y);
 
 
HPDF_Rect
HPDF_ToRect  (HPDF_REAL  left,
              HPDF_REAL  bottom,
              HPDF_REAL  right,
              HPDF_REAL  top);
 
 
void
HPDF_UInt16Swap  (HPDF_UINT16  *value);
 
const char*
HPDF_PageSizeName (HPDF_PageSizes size);
 
HPDF_TransMatrix
HPDF_Matrix_Multiply (HPDF_TransMatrix m, HPDF_TransMatrix n);
 
HPDF_TransMatrix
HPDF_Matrix_Translate (HPDF_TransMatrix m, HPDF_REAL dx, HPDF_REAL dy);
 
HPDF_TransMatrix
HPDF_Matrix_Scale (HPDF_TransMatrix m, HPDF_REAL sx, HPDF_REAL sy);
 
HPDF_TransMatrix
HPDF_Matrix_Rotate (HPDF_TransMatrix m, HPDF_REAL angle);
 
HPDF_TransMatrix
HPDF_Matrix_RotateDeg (HPDF_TransMatrix m, HPDF_REAL degrees);
 
HPDF_TransMatrix
HPDF_Matrix_Skew (HPDF_TransMatrix m, HPDF_REAL a, HPDF_REAL b);
 
 
#ifdef __cplusplus
}
#endif /* __cplusplus */
 
#define HPDF_NEEDS_ESCAPE(c)    (c < 0x20  || \
                                 c > 0x7e  || \
                                 c == '\\' || \
                                 c == '%'  || \
                                 c == '#'  || \
                                 c == '/'  || \
                                 c == '('  || \
                                 c == ')'  || \
                                 c == '<'  || \
                                 c == '>'  || \
                                 c == '['  || \
                                 c == ']'  || \
                                 c == '{'  || \
                                 c == '}'  )  \
 
#define HPDF_IS_WHITE_SPACE(c)   (c == 0x00 || \
                                  c == 0x09 || \
                                  c == 0x0A || \
                                  c == 0x0C || \
                                  c == 0x0D || \
                                  c == 0x20 )  \
 
/*----------------------------------------------------------------------------*/
/*----- macros for debug -----------------------------------------------------*/
 
#ifdef LIBHPDF_DEBUG_TRACE
#ifndef HPDF_PTRACE_ON
#define HPDF_PTRACE_ON
#endif /* HPDF_PTRACE_ON */
#endif /* LIBHPDF_DEBUG_TRACE */
 
#ifdef HPDF_PTRACE_ON
#define HPDF_PTRACE(ARGS)  HPDF_PRINTF ARGS
#else
#define HPDF_PTRACE(ARGS)  /* do nothing */
#endif /* HPDF_PTRACE */
 
#ifdef LIBHPDF_DEBUG
#define HPDF_PRINT_BINARY(BUF, LEN, CAPTION) HPDF_PrintBinary(BUF, LEN, CAPTION)
#else
#define HPDF_PRINT_BINARY(BUF, LEN, CAPTION) /* do nothing */
#endif
 
#endif /* _HPDF_UTILS_H */