mirror of
https://github.com/JakubMelka/PDF4QT.git
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85 lines
3.4 KiB
C++
85 lines
3.4 KiB
C++
// MIT License
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//
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// Copyright (c) 2018-2025 Jakub Melka and Contributors
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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#ifndef PDFCONSTANTS_H
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#define PDFCONSTANTS_H
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#include <cstddef>
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namespace pdf
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{
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#ifndef PDF4QT_PROJECT_VERSION
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#define PDF4QT_PROJECT_VERSION "UNKNOWN"
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#endif
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// Name of the library, together with version
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static constexpr const char* PDF_LIBRARY_NAME = "PDF4QT " PDF4QT_PROJECT_VERSION;
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static constexpr const char* PDF_LIBRARY_VERSION = PDF4QT_PROJECT_VERSION;
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// Structure file constants
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static constexpr const char* PDF_END_OF_FILE_MARK = "%%EOF";
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static constexpr const char* PDF_START_OF_XREF_MARK = "startxref";
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static constexpr const char* PDF_FILE_HEADER_V1 = "%PDF-?.?";
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static constexpr const char* PDF_FILE_HEADER_V2 = "%!PS-Adobe-?.? PDF-?.?";
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static constexpr const char* PDF_FILE_HEADER_REGEXP = "%PDF-([[:digit:]]\\.[[:digit:]])|%!PS-Adobe-[[:digit:]]\\.[[:digit:]] PDF-([[:digit:]]\\.[[:digit:]])";
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static constexpr const int PDF_HEADER_SCAN_LIMIT = 1024;
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static constexpr const int PDF_FOOTER_SCAN_LIMIT = 1024;
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// Stream dictionary constants - entries common to all stream dictionaries
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static constexpr const char* PDF_STREAM_DICT_LENGTH = "Length";
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static constexpr const char* PDF_STREAM_DICT_FILTER = "Filter";
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static constexpr const char* PDF_STREAM_DICT_DECODE_PARMS = "DecodeParms";
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static constexpr const char* PDF_STREAM_DICT_FILE_SPECIFICATION = "F";
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static constexpr const char* PDF_STREAM_DICT_FILE_FILTER = "FFilter";
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static constexpr const char* PDF_STREAM_DICT_FDECODE_PARMS = "FDecodeParms";
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static constexpr const char* PDF_STREAM_DICT_DECODED_LENGTH = "DL";
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// xref table constants
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static constexpr const char* PDF_XREF_HEADER = "xref";
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static constexpr const char* PDF_XREF_TRAILER = "trailer";
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static constexpr const char* PDF_XREF_TRAILER_PREVIOUS = "Prev";
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static constexpr const char* PDF_XREF_TRAILER_XREFSTM = "XRefStm";
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static constexpr const char* PDF_XREF_FREE = "f";
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static constexpr const char* PDF_XREF_OCCUPIED = "n";
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// objects
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static constexpr const char* PDF_OBJECT_START_MARK = "obj";
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static constexpr const char* PDF_OBJECT_END_MARK = "endobj";
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// maximum generation limit
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static constexpr const int PDF_MAX_OBJECT_GENERATION = 65535;
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// Colors
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static constexpr const int PDF_MAX_COLOR_COMPONENTS = 32;
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// Cache limits
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static constexpr size_t DEFAULT_FONT_CACHE_LIMIT = 32;
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static constexpr size_t DEFAULT_REALIZED_FONT_CACHE_LIMIT = 128;
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} // namespace pdf
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#endif // PDFCONSTANTS_H
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