/* pdf.h * Copyright (C) 1997-98 Thomas Merz. All rights reserved. * * PDFlib public declarations and definitions */ #ifndef PDF_H #define PDF_H #include #include #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 */