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/*
* muconvert -- command line tool for converting documents
*/
#include "mupdf/fitz.h"
#include <stdlib.h>
#include <stdio.h>
/* input options */
static const char *password = "";
static int alphabits = 8;
static float layout_w = 450;
static float layout_h = 600;
static float layout_em = 12;
static char *layout_css = NULL;
static int layout_use_doc_css = 1;
/* output options */
static const char *output = NULL;
static const char *format = NULL;
static const char *options = "";
static fz_context *ctx;
static fz_document *doc;
static fz_document_writer *out;
static int count;
static void usage(void)
{
fprintf(stderr,
"mutool convert version " FZ_VERSION "\n"
"Usage: mutool convert [options] file [pages]\n"
"\t-p -\tpassword\n"
"\n"
"\t-A -\tnumber of bits of antialiasing (0 to 8)\n"
"\t-W -\tpage width for EPUB layout\n"
"\t-H -\tpage height for EPUB layout\n"
"\t-S -\tfont size for EPUB layout\n"
"\t-U -\tfile name of user stylesheet for EPUB layout\n"
"\t-X\tdisable document styles for EPUB layout\n"
"\n"
"\t-o -\toutput file name (%%d for page number)\n"
"\t-F -\toutput format (default inferred from output file name)\n"
"\t\t\traster: cbz, png, pnm, pgm, ppm, pam, pbm, pkm.\n"
"\t\t\tprint-raster: pcl, pclm, ps, pwg.\n"
"\t\t\tvector: pdf, svg.\n"
"\t\t\ttext: html, xhtml, text, stext.\n"
"\t-O -\tcomma separated list of options for output format\n"
"\n"
"\tpages\tcomma separated list of page ranges (N=last page)\n"
"\n"
);
fputs(fz_draw_options_usage, stderr);
fputs(fz_pcl_write_options_usage, stderr);
fputs(fz_pclm_write_options_usage, stderr);
fputs(fz_pwg_write_options_usage, stderr);
fputs(fz_stext_options_usage, stderr);
#if FZ_ENABLE_PDF
fputs(fz_pdf_write_options_usage, stderr);
#endif
fputs(fz_svg_write_options_usage, stderr);
exit(1);
}
static void runpage(int number)
{
fz_rect mediabox;
fz_page *page;
fz_device *dev = NULL;
page = fz_load_page(ctx, doc, number - 1);
fz_var(dev);
fz_try(ctx)
{
mediabox = fz_bound_page(ctx, page);
dev = fz_begin_page(ctx, out, mediabox);
fz_run_page(ctx, page, dev, fz_identity, NULL);
fz_end_page(ctx, out);
}
fz_always(ctx)
{
fz_drop_page(ctx, page);
}
fz_catch(ctx)
fz_rethrow(ctx);
}
static void runrange(const char *range)
{
int start, end, i;
while ((range = fz_parse_page_range(ctx, range, &start, &end, count)))
{
if (start < end)
for (i = start; i <= end; ++i)
runpage(i);
else
for (i = start; i >= end; --i)
runpage(i);
}
}
int muconvert_main(int argc, char **argv)
{
int i, c;
while ((c = fz_getopt(argc, argv, "p:A:W:H:S:U:Xo:F:O:")) != -1)
{
switch (c)
{
default: usage(); break;
case 'p': password = fz_optarg; break;
case 'A': alphabits = atoi(fz_optarg); break;
case 'W': layout_w = fz_atof(fz_optarg); break;
case 'H': layout_h = fz_atof(fz_optarg); break;
case 'S': layout_em = fz_atof(fz_optarg); break;
case 'U': layout_css = fz_optarg; break;
case 'X': layout_use_doc_css = 0; break;
case 'o': output = fz_optarg; break;
case 'F': format = fz_optarg; break;
case 'O': options = fz_optarg; break;
}
}
if (fz_optind == argc || (!format && !output))
usage();
/* Create a context to hold the exception stack and various caches. */
ctx = fz_new_context(NULL, NULL, FZ_STORE_UNLIMITED);
if (!ctx)
{
fprintf(stderr, "cannot create mupdf context\n");
return EXIT_FAILURE;
}
/* Register the default file types to handle. */
fz_try(ctx)
fz_register_document_handlers(ctx);
fz_catch(ctx)
{
fprintf(stderr, "cannot register document handlers: %s\n", fz_caught_message(ctx));
fz_drop_context(ctx);
return EXIT_FAILURE;
}
fz_set_aa_level(ctx, alphabits);
if (layout_css)
{
fz_buffer *buf = fz_read_file(ctx, layout_css);
fz_set_user_css(ctx, fz_string_from_buffer(ctx, buf));
fz_drop_buffer(ctx, buf);
}
fz_set_use_document_css(ctx, layout_use_doc_css);
/* Open the output document. */
fz_try(ctx)
out = fz_new_document_writer(ctx, output, format, options);
fz_catch(ctx)
{
fprintf(stderr, "cannot create document: %s\n", fz_caught_message(ctx));
fz_drop_context(ctx);
return EXIT_FAILURE;
}
for (i = fz_optind; i < argc; ++i)
{
doc = fz_open_document(ctx, argv[i]);
if (fz_needs_password(ctx, doc))
if (!fz_authenticate_password(ctx, doc, password))
fz_throw(ctx, FZ_ERROR_GENERIC, "cannot authenticate password: %s", argv[i]);
fz_layout_document(ctx, doc, layout_w, layout_h, layout_em);
count = fz_count_pages(ctx, doc);
if (i+1 < argc && fz_is_page_range(ctx, argv[i+1]))
runrange(argv[++i]);
else
runrange("1-N");
fz_drop_document(ctx, doc);
}
fz_close_document_writer(ctx, out);
fz_drop_document_writer(ctx, out);
fz_drop_context(ctx);
return EXIT_SUCCESS;
}
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