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/* GDCHART 0.10.0dev GDC.H 2 Nov 2000 */
/* Copyright Bruce Verderaime 1998-2004 */
/*
General header common to chart (xy[z]) and pie
*/
#ifndef _GDC_H
#define _GDC_H
#ifndef _USE_MATH_DEFINES
#define _USE_MATH_DEFINES
#endif
#ifndef _XOPEN_SOURCE
#define _XOPEN_SOURCE
#endif
#include <math.h>
/* uncle */
#ifndef M_PI
#define M_PI 3.14159265358979323846
#define M_PI_2 1.57079632679489661923
#endif
#include <limits.h>
#include <float.h>
#ifdef GDC_INCL
#include "gd.h"
#include "gdfonts.h"
#include "gdfontt.h"
#include "gdfontmb.h"
#include "gdfontg.h"
#include "gdfontl.h"
#include "array_alloc.h"
#endif
/* --- backward compatibility --- */
/* may be removed at a later date */
#define GDC_generate_gif GDC_generate_img
#define pie_gif GDC_out_pie
/* ------------------------------ */
#ifndef TRUE
#define TRUE 1
#define FALSE 0
#endif
#define GDC_NOVALUE -FLT_MAX
#define GDC_NULL GDC_NOVALUE
#define ABS( x ) ( (x)<0.0? -(x): (x) )
#define MAX( x, y ) ( (x)>(y)?(x):(y) )
#define MIN( x, y ) ( (x)<(y)?(x):(y) )
#define TO_RAD(o) ( (o)/360.0*(2.0*M_PI) )
#define GDC_NOCOLOR 0x1000000L
#define GDC_DFLTCOLOR 0x2000000L
#define PVRED 0x00FF0000
#define PVGRN 0x0000FF00
#define PVBLU 0x000000FF
#define l2gdcal( c ) ((c)&PVRED)>>16 , ((c)&PVGRN)>>8 , ((c)&0x000000FF)
#define l2gdshd( c ) (((c)&PVRED)>>16)/2 , (((c)&PVGRN)>>8)/2 , (((c)&0x000000FF))/2
static int _gdccfoo1;
static unsigned long _gdccfoo2;
#define _gdcntrst(bg) ( ((bg)&0x800000?0x000000:0xFF0000)| \
((bg)&0x008000?0x000000:0x00FF00)| \
((bg)&0x000080?0x000000:0x0000FF) )
#define _clrallocate( im, rawclr, bgc ) \
( (_gdccfoo2=rawclr==GDC_DFLTCOLOR? _gdcntrst(bgc): rawclr), \
(_gdccfoo1=gdImageColorExact(im,l2gdcal(_gdccfoo2))) != -1? \
_gdccfoo1: \
gdImageColorsTotal(im) == gdMaxColors? \
gdImageColorClosest(im,l2gdcal(_gdccfoo2)): \
gdImageColorAllocate(im,l2gdcal(_gdccfoo2)) )
#define _clrshdallocate( im, rawclr, bgc ) \
( (_gdccfoo2=rawclr==GDC_DFLTCOLOR? _gdcntrst(bgc): rawclr), \
(_gdccfoo1=gdImageColorExact(im,l2gdshd(_gdccfoo2))) != -1? \
_gdccfoo1: \
gdImageColorsTotal(im) == gdMaxColors? \
gdImageColorClosest(im,l2gdshd(_gdccfoo2)): \
gdImageColorAllocate(im,l2gdshd(_gdccfoo2)) )
typedef enum {
GDC_GIF = 0,
#ifdef HAVE_JPEG
GDC_JPEG = 1,
#endif
GDC_PNG = 2,
GDC_WBMP = 3 /* as of gd1.8.3 WBMP is black and white only. */
} GDC_image_type_t;
/* ordered by size */
enum GDC_font_size { GDC_pad = 0,
GDC_TINY = 1,
GDC_SMALL = 2,
GDC_MEDBOLD = 3,
GDC_LARGE = 4,
GDC_GIANT = 5,
GDC_numfonts= 6 }; /* GDC[PIE]_fontc depends on this */
typedef enum {
GDC_DESTROY_IMAGE = 0, /* default */
GDC_EXPOSE_IMAGE = 1, /* user must call GDC_destroy_image() */
GDC_REUSE_IMAGE = 2 /* i.e., paint on top of */
} GDC_HOLD_IMAGE_T; /* EXPOSE & REUSE */
#ifdef GDC_INCL
struct GDC_FONT_T {
gdFontPtr f;
char h;
char w;
};
typedef enum { GDC_JUSTIFY_RIGHT,
GDC_JUSTIFY_CENTER,
GDC_JUSTIFY_LEFT } GDC_justify_t;
struct fnt_sz_t {
int w;
int h;
} GDCfnt_sz( char* str, enum GDC_font_size gdfontsz, char* ttfont, double ttfptsz, double angle, char **status );
int GDCImageStringNL( gdImagePtr, struct GDC_FONT_T*, char*, double, double, int, int, char*, int, GDC_justify_t, char** );
void load_font_conversions();
short cnt_nl( char*, int* );
#endif
#ifdef GDC_LIB
#define EXTERND extern
#define DEFAULTO(val)
extern struct GDC_FONT_T GDC_fontc[];
#else
#define EXTERND
#define DEFAULTO(val) = val
#endif
/**** COMMON OPTIONS ********************************/
#ifndef _GDC_COMMON_OPTIONS
#define _GDC_COMMON_OPTIONS
EXTERND GDC_image_type_t GDC_image_type DEFAULTO( GDC_PNG );
EXTERND int GDC_jpeg_quality DEFAULTO( -1 ); /* 0-95 */
EXTERND char GDC_generate_img DEFAULTO( TRUE );
EXTERND GDC_HOLD_IMAGE_T GDC_hold_img DEFAULTO( GDC_DESTROY_IMAGE );
EXTERND void *GDC_image DEFAULTO( (void*)NULL ); /* in/out */
#endif
/****************************************************/
void GDC_destroy_image( void* );
void out_err( int IMGWIDTH,
int IMGHEIGHT,
FILE*,
unsigned long BGColor,
unsigned long LineColor,
char *str );
#endif /*!_GDC_H*/
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