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/* Copyright (c) 2005-2017 Jay Berkenbilt
*
* This file is part of qpdf.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Versions of qpdf prior to version 7 were released under the terms
* of version 2.0 of the Artistic License. At your option, you may
* continue to consider qpdf to be licensed under those terms. Please
* see the manual for additional information.
*/
#ifndef __QPDFCONSTANTS_H__
#define __QPDFCONSTANTS_H__
/* Keep this file 'C' compatible so it can be used from the C and C++
* interfaces.
*/
/* Error Codes */
enum qpdf_error_code_e
{
qpdf_e_success = 0,
qpdf_e_internal, /* logic/programming error -- indicates bug */
qpdf_e_system, /* I/O error, memory error, etc. */
qpdf_e_unsupported, /* PDF feature not (yet) supported by qpdf */
qpdf_e_password, /* incorrect password for encrypted file */
qpdf_e_damaged_pdf, /* syntax errors or other damage in PDF */
qpdf_e_pages, /* erroneous or unsupported pages structure */
};
/* Write Parameters. See QPDFWriter.hh for details. */
enum qpdf_object_stream_e
{
qpdf_o_disable = 0, /* disable object streams */
qpdf_o_preserve, /* preserve object streams */
qpdf_o_generate /* generate object streams */
};
enum qpdf_stream_data_e
{
qpdf_s_uncompress = 0, /* uncompress stream data */
qpdf_s_preserve, /* preserve stream data compression */
qpdf_s_compress /* compress stream data */
};
/* Stream data flags */
/* See pipeStreamData in QPDFObjectHandle.hh for details on these flags. */
enum qpdf_stream_encode_flags_e
{
qpdf_ef_compress = 1 << 0, /* compress uncompressed streams */
qpdf_ef_normalize = 1 << 1, /* normalize content stream */
};
enum qpdf_stream_decode_level_e
{
/* These must be in order from less to more decoding. */
qpdf_dl_none = 0, /* preserve all stream filters */
qpdf_dl_generalized, /* decode general-purpose filters */
qpdf_dl_specialized, /* also decode other non-lossy filters */
qpdf_dl_all /* also decode loss filters */
};
/* R3 Encryption Parameters */
enum qpdf_r3_print_e
{
qpdf_r3p_full = 0, /* allow all printing */
qpdf_r3p_low, /* allow only low-resolution printing */
qpdf_r3p_none /* allow no printing */
};
enum qpdf_r3_modify_e /* Allowed changes: */
{
qpdf_r3m_all = 0, /* General editing, comments, forms */
qpdf_r3m_annotate, /* Comments, form field fill-in, and signing */
qpdf_r3m_form, /* form field fill-in and signing */
qpdf_r3m_assembly, /* only document assembly */
qpdf_r3m_none /* no modifications */
};
#endif /* __QPDFCONSTANTS_H__ */
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