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