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/*
* PDF creation tool: Tool for creating pdf content.
*
* Simple test bed to work with adding content and creating PDFs
*/
#include "mupdf/fitz.h"
#include "mupdf/pdf.h"
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
static void usage(void)
{
fprintf(stderr,
"usage: mutool create [-o output.pdf] [-O options] page.txt [page2.txt ...]\n"
"\t-o -\tname of PDF file to create\n"
"\t-O -\tcomma separated list of output options\n"
"\tpage.txt\tcontent stream with annotations for creating resources\n\n"
"Content stream special commands:\n"
"\t%%%%MediaBox LLX LLY URX URY\n"
"\t%%%%Rotate Angle\n"
"\t%%%%Font Name Filename (or base 14 font name)\n"
"\t%%%%Image Name Filename\n\n"
);
fputs(fz_pdf_write_options_usage, stderr);
exit(1);
}
static fz_context *ctx = NULL;
static pdf_document *doc = NULL;
static void add_font_res(pdf_obj *resources, char *name, char *path)
{
const char *data;
int size;
fz_font *font;
pdf_obj *subres, *ref;
data = fz_lookup_base14_font(ctx, path, &size);
if (data)
font = fz_new_font_from_memory(ctx, path, data, size, 0, 0);
else
font = fz_new_font_from_file(ctx, NULL, path, 0, 0);
subres = pdf_dict_get(ctx, resources, PDF_NAME_Font);
if (!subres)
{
subres = pdf_new_dict(ctx, doc, 10);
pdf_dict_put_drop(ctx, resources, PDF_NAME_Font, subres);
}
ref = pdf_add_simple_font(ctx, doc, font);
pdf_dict_puts(ctx, subres, name, ref);
pdf_drop_obj(ctx, ref);
fz_drop_font(ctx, font);
}
static void add_image_res(pdf_obj *resources, char *name, char *path)
{
fz_image *image;
pdf_obj *subres, *ref;
image = fz_new_image_from_file(ctx, path);
subres = pdf_dict_get(ctx, resources, PDF_NAME_XObject);
if (!subres)
{
subres = pdf_new_dict(ctx, doc, 10);
pdf_dict_put_drop(ctx, resources, PDF_NAME_XObject, subres);
}
ref = pdf_add_image(ctx, doc, image, 0);
pdf_dict_puts(ctx, subres, name, ref);
pdf_drop_obj(ctx, ref);
fz_drop_image(ctx, image);
}
/*
The input is a raw content stream, with commands embedded in comments:
%%MediaBox LLX LLY URX URY
%%Rotate Angle
%%Font Name Filename (or base 14 font name)
%%Image Name Filename
*/
static void create_page(char *input)
{
fz_rect mediabox = { 0, 0, 595, 842 };
int rotate = 0;
char line[4096];
char *s, *p;
fz_stream *stm;
fz_buffer *contents;
pdf_obj *resources;
pdf_obj *page;
resources = pdf_new_dict(ctx, doc, 2);
contents = fz_new_buffer(ctx, 1024);
stm = fz_open_file(ctx, input);
while (fz_read_line(ctx, stm, line, sizeof line))
{
if (line[0] == '%' && line[1] == '%')
{
p = line;
s = fz_strsep(&p, " ");
if (!strcmp(s, "%%MediaBox"))
{
mediabox.x0 = fz_atoi(fz_strsep(&p, " "));
mediabox.y0 = fz_atoi(fz_strsep(&p, " "));
mediabox.x1 = fz_atoi(fz_strsep(&p, " "));
mediabox.y1 = fz_atoi(fz_strsep(&p, " "));
}
else if (!strcmp(s, "%%Rotate"))
{
rotate = fz_atoi(fz_strsep(&p, " "));
}
else if (!strcmp(s, "%%Font"))
{
s = fz_strsep(&p, " ");
add_font_res(resources, s, p);
}
else if (!strcmp(s, "%%Image"))
{
s = fz_strsep(&p, " ");
add_image_res(resources, s, p);
}
}
else
{
fz_append_string(ctx, contents, line);
fz_append_byte(ctx, contents, '\n');
}
}
fz_drop_stream(ctx, stm);
page = pdf_add_page(ctx, doc, &mediabox, rotate, resources, contents);
pdf_insert_page(ctx, doc, -1, page);
pdf_drop_obj(ctx, page);
fz_drop_buffer(ctx, contents);
pdf_drop_obj(ctx, resources);
}
int pdfcreate_main(int argc, char **argv)
{
pdf_write_options opts = { 0 };
char *output = "out.pdf";
char *flags = "compress";
int i, c;
while ((c = fz_getopt(argc, argv, "o:O:")) != -1)
{
switch (c)
{
case 'o': output = fz_optarg; break;
case 'O': flags = fz_optarg; break;
default: usage(); break;
}
}
if (fz_optind == argc)
usage();
ctx = fz_new_context(NULL, NULL, FZ_STORE_UNLIMITED);
if (!ctx)
{
fprintf(stderr, "cannot initialise context\n");
exit(1);
}
pdf_parse_write_options(ctx, &opts, flags);
doc = pdf_create_document(ctx);
for (i = fz_optind; i < argc; ++i)
create_page(argv[i]);
pdf_save_document(ctx, doc, output, &opts);
pdf_drop_document(ctx, doc);
fz_flush_warnings(ctx);
fz_drop_context(ctx);
return 0;
}
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