Esempio n. 1
0
float fz_to_real(fz_context *ctx, fz_obj *obj)
{
	obj = fz_resolve_indirect(ctx, obj);
	if (fz_is_real(ctx, obj))
		return obj->u.f;
	if (fz_is_int(ctx, obj))
		return obj->u.i;
	return 0;
}
Esempio n. 2
0
int fz_to_int(fz_context *ctx, fz_obj *obj)
{
	obj = fz_resolve_indirect(ctx, obj);
	if (fz_is_int(ctx, obj))
		return obj->u.i;
	if (fz_is_real(ctx, obj))
		return (int)(obj->u.f + 0.5f); /* No roundf in MSVC */
	return 0;
}
Esempio n. 3
0
static int _pdf_doc_find_page_no(
    struct _pdf_doc *self, fz_obj *dest)
{
    if (fz_is_dict(dest)) {
        /* The destination is linked from a Go-To action's D array. */
        fz_obj * D = fz_dict_gets(dest, "D");
        if (D && fz_is_array(D))
            dest = D;
    }

    if (fz_is_array(dest))
        dest = fz_array_get(dest, 0);

    if (fz_is_int(dest))
        return fz_to_int(dest);

    return pdf_find_page_number(self->xref, dest);
}
/*
 * Load CMap stream in PDF file
 */
fz_error
pdf_load_embedded_cmap(pdf_cmap **cmapp, pdf_xref *xref, fz_obj *stmobj)
{
	fz_error error = fz_okay;
	fz_stream *file = NULL;
	pdf_cmap *cmap = NULL;
	pdf_cmap *usecmap;
	fz_obj *wmode;
	fz_obj *obj;

	if ((*cmapp = pdf_find_item(xref->store, pdf_drop_cmap, stmobj)))
	{
		pdf_keep_cmap(*cmapp);
		return fz_okay;
	}

	error = pdf_open_stream(&file, xref, fz_to_num(stmobj), fz_to_gen(stmobj));
	if (error)
	{
		error = fz_rethrow(error, "cannot open cmap stream (%d %d R)", fz_to_num(stmobj), fz_to_gen(stmobj));
		goto cleanup;
	}

	error = pdf_parse_cmap(&cmap, file);
	if (error)
	{
		error = fz_rethrow(error, "cannot parse cmap stream (%d %d R)", fz_to_num(stmobj), fz_to_gen(stmobj));
		goto cleanup;
	}

	fz_close(file);

	wmode = fz_dict_gets(stmobj, "WMode");
	if (fz_is_int(wmode))
		pdf_set_wmode(cmap, fz_to_int(wmode));

	obj = fz_dict_gets(stmobj, "UseCMap");
	if (fz_is_name(obj))
	{
		error = pdf_load_system_cmap(&usecmap, fz_to_name(obj));
		if (error)
		{
			error = fz_rethrow(error, "cannot load system usecmap '%s'", fz_to_name(obj));
			goto cleanup;
		}
		pdf_set_usecmap(cmap, usecmap);
		pdf_drop_cmap(usecmap);
	}
	else if (fz_is_indirect(obj))
	{
		error = pdf_load_embedded_cmap(&usecmap, xref, obj);
		if (error)
		{
			error = fz_rethrow(error, "cannot load embedded usecmap (%d %d R)", fz_to_num(obj), fz_to_gen(obj));
			goto cleanup;
		}
		pdf_set_usecmap(cmap, usecmap);
		pdf_drop_cmap(usecmap);
	}

	pdf_store_item(xref->store, pdf_keep_cmap, pdf_drop_cmap, stmobj, cmap);

	*cmapp = cmap;
	return fz_okay;

cleanup:
	if (file)
		fz_close(file);
	if (cmap)
		pdf_drop_cmap(cmap);
	return error; /* already rethrown */
}