2020-01-18 11:38:54 +01:00
|
|
|
// Copyright (C) 2018-2020 Jakub Melka
|
2018-11-17 16:48:30 +01:00
|
|
|
//
|
|
|
|
|
// This file is part of PdfForQt.
|
|
|
|
|
//
|
|
|
|
|
// PdfForQt is free software: you can redistribute it and/or modify
|
|
|
|
|
// it under the terms of the GNU Lesser General Public License as published by
|
|
|
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
|
|
|
// (at your option) any later version.
|
|
|
|
|
//
|
|
|
|
|
// PdfForQt is distributed in the hope that it will be useful,
|
|
|
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
|
|
// GNU Lesser General Public License for more details.
|
|
|
|
|
//
|
|
|
|
|
// You should have received a copy of the GNU Lesser General Public License
|
|
|
|
|
// along with PDFForQt. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#ifndef PDFCONSTANTS_H
|
|
|
|
|
#define PDFCONSTANTS_H
|
|
|
|
|
|
|
|
|
|
namespace pdf
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
// Structure file constants
|
|
|
|
|
static constexpr const char* PDF_END_OF_FILE_MARK = "%%EOF";
|
|
|
|
|
static constexpr const char* PDF_START_OF_XREF_MARK = "startxref";
|
|
|
|
|
|
|
|
|
|
static constexpr const char* PDF_FILE_HEADER_V1 = "%PDF-?.?";
|
|
|
|
|
static constexpr const char* PDF_FILE_HEADER_V2 = "%!PS-Adobe-?.? PDF-?.?";
|
|
|
|
|
static constexpr const char* PDF_FILE_HEADER_REGEXP = "%PDF-([[:digit:]]\\.[[:digit:]])|%!PS-Adobe-[[:digit:]]\\.[[:digit:]] PDF-([[:digit:]]\\.[[:digit:]])";
|
|
|
|
|
|
|
|
|
|
static constexpr const int PDF_HEADER_SCAN_LIMIT = 1024;
|
|
|
|
|
static constexpr const int PDF_FOOTER_SCAN_LIMIT = 1024;
|
|
|
|
|
|
|
|
|
|
// Stream dictionary constants - entries common to all stream dictionaries
|
|
|
|
|
static constexpr const char* PDF_STREAM_DICT_LENGTH = "Length";
|
|
|
|
|
static constexpr const char* PDF_STREAM_DICT_FILTER = "Filter";
|
|
|
|
|
static constexpr const char* PDF_STREAM_DICT_DECODE_PARMS = "DecodeParms";
|
|
|
|
|
static constexpr const char* PDF_STREAM_DICT_FILE_SPECIFICATION = "F";
|
|
|
|
|
static constexpr const char* PDF_STREAM_DICT_FILE_FILTER = "FFilter";
|
|
|
|
|
static constexpr const char* PDF_STREAM_DICT_FDECODE_PARMS = "FDecodeParms";
|
|
|
|
|
static constexpr const char* PDF_STREAM_DICT_DECODED_LENGTH = "DL";
|
|
|
|
|
|
2018-11-21 19:30:15 +01:00
|
|
|
// xref table constants
|
|
|
|
|
static constexpr const char* PDF_XREF_HEADER = "xref";
|
|
|
|
|
static constexpr const char* PDF_XREF_TRAILER = "trailer";
|
|
|
|
|
static constexpr const char* PDF_XREF_TRAILER_PREVIOUS = "Prev";
|
|
|
|
|
static constexpr const char* PDF_XREF_TRAILER_XREFSTM = "XRefStm";
|
|
|
|
|
static constexpr const char* PDF_XREF_FREE = "f";
|
|
|
|
|
static constexpr const char* PDF_XREF_OCCUPIED = "n";
|
|
|
|
|
|
2018-11-25 14:48:08 +01:00
|
|
|
// objects
|
|
|
|
|
|
|
|
|
|
static constexpr const char* PDF_OBJECT_START_MARK = "obj";
|
|
|
|
|
static constexpr const char* PDF_OBJECT_END_MARK = "endobj";
|
|
|
|
|
|
2019-07-01 12:29:57 +02:00
|
|
|
// Colors
|
|
|
|
|
static constexpr const int PDF_MAX_COLOR_COMPONENTS = 32;
|
|
|
|
|
|
2019-12-15 19:28:25 +01:00
|
|
|
// Cache limits
|
|
|
|
|
static constexpr size_t DEFAULT_FONT_CACHE_LIMIT = 32;
|
|
|
|
|
static constexpr size_t DEFAULT_REALIZED_FONT_CACHE_LIMIT = 128;
|
|
|
|
|
|
2018-11-17 16:48:30 +01:00
|
|
|
} // namespace pdf
|
|
|
|
|
|
|
|
|
|
#endif // PDFCONSTANTS_H
|
