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Amiga Format CD 40
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Amiga Format CD40 (1999-05-11)(Future Publishing)(GB)(Track 1 of 3)[!][issue 1999-06].iso
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misc
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pdflib
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pdf.h
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1999-03-24
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/* pdf.h
* Copyright (C) 1997-98 Thomas Merz. All rights reserved.
*
* PDFlib public declarations and definitions
*/
#ifndef PDF_H
#define PDF_H
#include <stdio.h>
#include <stdarg.h>
#include "p_port.h"
#ifdef USE_TIFF
#include "tiffio.h"
#endif
#define PDFLIB_VERSION "PDFlib V0.6 (C) Thomas Merz 1997-98"
/* default path to font and AFM directory */
#ifndef PDF_DEFAULT_FONT_PATH
#define PDF_DEFAULT_FONT_PATH "./fonts"
#endif
/* Data types and defines */
typedef unsigned char byte;
#define false 0
#define true 1
/* Error and warning levels */
#define PDF_INFO 1
#define PDF_WARN 2
#define PDF_FATAL 3
#define PDF_INTERNAL 4
/* PDF version compatiblity modes */
typedef enum { PDF1_0, PDF1_1, PDF1_2 } PDF_compat_mode;
typedef enum {
builtin, pdfdoc, macroman, macexpert, winansi, encoding_count
} PDF_encoding;
typedef char *PDF_encodingvector[256];
typedef enum {
none, lzw, runlength, ccitt, dct, flate, compression_count
} PDF_compression;
typedef enum {
trans_none, trans_split, trans_blinds, trans_box,
trans_wipe, trans_dissolve, trans_glitter, trans_replace,
transition_count
} PDF_transition;
typedef enum {
DeviceGray, DeviceRGB, DeviceCMYK,
CalGray, CalRGB, Lab,
Indexed, Pattern, Separation,
colorspace_count
} PDF_colorspace;
typedef byte pdf_colormap[256][3];
typedef struct PDF_s PDF;
typedef struct {
float width, height;
} PDF_pagesize;
/* Predefine some useful paper formats */
extern PDF_pagesize
a0, a1, a2, a3, a4, a5, a6, b5, letter, legal, ledger, p11x17;
typedef struct {
/* general stuff */
bool binary_mode;
PDF_compat_mode required_compatibility;
void
(*error_handler)(int level, const char* fmt, va_list ap);
/* PDF Info dictionary entries */
char *Keywords;
char *Subject;
char *ModDate;
char *Title;
char *CreationDate;
char *Creator;
const char *Producer;
char *Author;
/* path to font directory */
char *fontpath;
} PDF_info;
typedef struct { float a, b, c, d, e, f; } PDF_matrix;
/* not currently used */
/* typedef struct { float x, y; } PDF_point; */
typedef struct PDF_data_source_s PDF_data_source;
struct PDF_data_source_s {
byte *next_byte;
size_t bytes_available;
void (*init)(PDF *, PDF_data_source *src);
bool (*fill)(PDF *, PDF_data_source *src);
void (*terminate)(PDF *, PDF_data_source *src);
byte *buffer_start;
size_t buffer_length;
byte *private_data;
};
struct PDF_image_t;
typedef struct PDF_image_t {
FILE *fp; /* image file pointer */
char *filename; /* image file name */
unsigned int width; /* image width in pixels */
unsigned int height; /* image height in pixels */
int bpc; /* bits per color component */
unsigned int components; /* number of color components */
PDF_compression compression; /* image compression type */
PDF_colorspace colorspace; /* image color space */
bool indexed; /* image contains colormap (palette) */
unsigned int BitPixel; /* HACK: use bpc instead */
pdf_colormap colormap;
/* JPEG specific stuff */
bool adobe; /* JPEG image with Adobe marker */
long startpos; /* start of image data in file */
float dpi; /* image resolution in dots per inch */
#ifdef USE_TIFF
/* TIFF specific stuff */
TIFF *tif; /* pointer to TIFF data structure */
uint32 *raster; /* frame buffer */
int cur_line; /* current image line */
#endif
/* GIF specific stuff */
/*unsigned int ColorResolution;*/
unsigned int Background;
/*unsigned int AspectRatio;*/
int transparent;
int delayTime;
int inputFlag;
int disposal;
int useGlobalColormap;
unsigned int bitPixel;
bool interlace;
int imageno;
int no; /* PDF image number */
PDF_data_source src;
void (*closefunc)(PDF *p, struct PDF_image_t *image);
} PDF_image;
/*
* ----------------------------------------
* Method prototypes, sorted by source file
* ----------------------------------------
*/
/* p_basic.c */
PDF_info *PDF_get_info(void);
PDF *PDF_open(FILE *fp, PDF_info *info);
void PDF_close(PDF *p);
void PDF_begin_page(PDF *p, float height, float width);
void PDF_end_page(PDF *p);
void PDF_set_transition(PDF *p, PDF_transition t);
void PDF_set_duration(PDF *p, float t);
void *PDF_malloc(size_t size, char *caller);
void PDF_free(void *mem);
/* p_text.c */
void PDF_show(PDF *p, char *text);
void PDF_show_xy(PDF *p, char *text, float x, float y);
void PDF_set_font(PDF *p, char *fontname, float fontsize, PDF_encoding enc);
void PDF_set_leading(PDF *p, float l);
void PDF_set_text_rise(PDF *p, float rise);
void PDF_set_horiz_scaling(PDF *p, float scale);
void PDF_set_text_rendering(PDF *p, byte mode);
void PDF_set_text_matrix(PDF *p, PDF_matrix m);
void PDF_set_text_pos(PDF *p, float x, float y);
void PDF_set_char_spacing(PDF *p, float spacing);
void PDF_set_word_spacing(PDF *p, float spacing);
void PDF_continue_text(PDF *p, char *text);
/* p_gstate.c */
void PDF_save(PDF *p);
void PDF_restore(PDF *p);
void PDF_translate(PDF *p, float tx, float ty);
void PDF_scale(PDF *p, float sx, float sy);
void PDF_rotate(PDF *p, float phi);
void PDF_setdash(PDF *p, float d1, float d2);
void PDF_setpolydash(PDF *p, float *darray, int length);
void PDF_setflat(PDF *p, float flat);
void PDF_setlinejoin(PDF *p, byte join);
void PDF_setlinecap(PDF *p, byte cap);
void PDF_setmiterlimit(PDF *p, float miter);
void PDF_setlinewidth(PDF *p, float width);
/* p_color.c */
/* do not use color operators within path objects */
void PDF_setgray_fill(PDF *p, float g);
void PDF_setgray_stroke(PDF *p, float g);
void PDF_setgray(PDF *p, float g);
void PDF_setrgbcolor_fill(PDF *p, float red, float green, float blue);
void PDF_setrgbcolor_stroke(PDF *p, float red, float green, float blue);
void PDF_setrgbcolor(PDF *p, float red, float green, float blue);
/* p_draw.c */
void PDF_moveto(PDF *p, float x, float y);
void PDF_lineto(PDF *p, float x, float y);
void PDF_curveto(PDF *p, float x1, float y1, float x2, float y2, float x3, float y3);
void PDF_circle(PDF *p, float x, float y, float r);
void PDF_arc(PDF *p, float x, float y, float r, float alpha1, float alpha2);
void PDF_rect(PDF *p, float x, float y, float width, float height);
void PDF_closepath(PDF *p);
void PDF_stroke(PDF *p);
void PDF_closepath_stroke(PDF *p);
void PDF_fill(PDF *p);
void PDF_fill_stroke(PDF *p);
void PDF_closepath_fill_stroke(PDF *p);
void PDF_endpath(PDF *p);
void PDF_clip(PDF *p);
/* p_image.c */
void PDF_place_image(PDF *p, PDF_image *image, float x, float y, float scale);
void PDF_place_inline_image(PDF *p, PDF_image *image, float x, float y, float scale);
void PDF_put_image(PDF *p, PDF_image *image);
void PDF_execute_image(PDF *p, PDF_image *image, float x, float y, float scale);
void PDF_close_image(PDF *p, PDF_image *image);
/* p_jpeg.c */
PDF_image *PDF_open_JPEG(PDF *p, char *filename);
void PDF_close_JPEG(PDF *p, PDF_image *image);
/* p_tiff.c */
PDF_image *PDF_open_TIFF(PDF *p, char *filename);
void PDF_close_TIFF(PDF *p, PDF_image *image);
/* p_gif.c */
PDF_image *PDF_open_GIF(PDF *p, char *filename);
void PDF_close_GIF(PDF *p, PDF_image *image);
/* p_filter.c */
void PDF_data_source_from_buf(PDF *p, PDF_data_source *src, byte *buffer, long len);
/* p_font.c */
float PDF_stringwidth(PDF *p, byte *text);
/* p_hyper.c */
void PDF_add_outline(PDF *p, char *text);
#endif /* PDF_H */