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#include "mupdf/fitz.h"
/* Return non-null terminated pointers to key/value entries in comma separated
* option string. A plain key has the default value 'yes'. Use strncmp to compare
* key/value strings. */
static const char *
fz_get_option(fz_context *ctx, const char **key, const char **val, const char *opts)
{
if (!opts || *opts == 0)
return NULL;
if (*opts == ',')
++opts;
*key = opts;
while (*opts != 0 && *opts != ',' && *opts != '=')
++opts;
if (*opts == '=')
{
*val = ++opts;
while (*opts != 0 && *opts != ',')
++opts;
}
else
{
*val = "yes";
}
return opts;
}
int
fz_has_option(fz_context *ctx, const char *opts, const char *key, const char **val)
{
const char *straw;
size_t n = strlen(key);
while ((opts = fz_get_option(ctx, &straw, val, opts)))
if (!strncmp(straw, key, n) && (straw[n] == '=' || straw[n] == ',' || straw[n] == 0))
return 1;
return 0;
}
int
fz_option_eq(const char *a, const char *b)
{
size_t n = strlen(b);
return !strncmp(a, b, n) && (a[n] == ',' || a[n] == 0);
}
fz_document_writer *fz_new_document_writer_of_size(fz_context *ctx, size_t size, fz_document_writer_begin_page_fn *begin_page,
fz_document_writer_end_page_fn *end_page, fz_document_writer_close_writer_fn *close, fz_document_writer_drop_writer_fn *drop)
{
fz_document_writer *wri = Memento_label(fz_calloc(ctx, 1, size), "fz_document_writer");
wri->begin_page = begin_page;
wri->end_page = end_page;
wri->close_writer = close;
wri->drop_writer = drop;
return wri;
}
fz_document_writer *
fz_new_document_writer(fz_context *ctx, const char *path, const char *format, const char *options)
{
if (!format)
{
format = strrchr(path, '.');
if (!format)
fz_throw(ctx, FZ_ERROR_GENERIC, "cannot detect document format");
format += 1; /* skip the '.' */
}
if (!fz_strcasecmp(format, "cbz"))
return fz_new_cbz_writer(ctx, path, options);
#if FZ_ENABLE_PDF
if (!fz_strcasecmp(format, "pdf"))
return fz_new_pdf_writer(ctx, path, options);
#endif
if (!fz_strcasecmp(format, "svg"))
return fz_new_svg_writer(ctx, path, options);
if (!fz_strcasecmp(format, "png"))
return fz_new_pixmap_writer(ctx, path, options, "out-%04.png", 0, fz_save_pixmap_as_png);
if (!fz_strcasecmp(format, "tga"))
return fz_new_pixmap_writer(ctx, path, options, "out-%04.tga", 0, fz_save_pixmap_as_tga);
if (!fz_strcasecmp(format, "pam"))
return fz_new_pixmap_writer(ctx, path, options, "out-%04.pam", 0, fz_save_pixmap_as_pam);
if (!fz_strcasecmp(format, "pnm"))
return fz_new_pixmap_writer(ctx, path, options, "out-%04.pnm", 0, fz_save_pixmap_as_pnm);
if (!fz_strcasecmp(format, "pgm"))
return fz_new_pixmap_writer(ctx, path, options, "out-%04.pgm", 1, fz_save_pixmap_as_pnm);
if (!fz_strcasecmp(format, "ppm"))
return fz_new_pixmap_writer(ctx, path, options, "out-%04.ppm", 3, fz_save_pixmap_as_pnm);
if (!fz_strcasecmp(format, "pbm"))
return fz_new_pixmap_writer(ctx, path, options, "out-%04.pbm", 1, fz_save_pixmap_as_pbm);
if (!fz_strcasecmp(format, "pkm"))
return fz_new_pixmap_writer(ctx, path, options, "out-%04.pkm", 4, fz_save_pixmap_as_pkm);
fz_throw(ctx, FZ_ERROR_GENERIC, "unknown output document format: %s", format);
}
void
fz_close_document_writer(fz_context *ctx, fz_document_writer *wri)
{
if (wri->close_writer)
wri->close_writer(ctx, wri);
wri->close_writer = NULL;
}
void
fz_drop_document_writer(fz_context *ctx, fz_document_writer *wri)
{
if (!wri)
return;
if (wri->close_writer)
fz_warn(ctx, "dropping unclosed document writer");
if (wri->drop_writer)
wri->drop_writer(ctx, wri);
fz_free(ctx, wri);
}
fz_device *
fz_begin_page(fz_context *ctx, fz_document_writer *wri, const fz_rect *mediabox)
{
return wri->begin_page(ctx, wri, mediabox);
}
void
fz_end_page(fz_context *ctx, fz_document_writer *wri, fz_device *dev)
{
wri->end_page(ctx, wri, dev);
}
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