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libreoffice/vcl/inc/pdf/pdfcompat.hxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#pragma once
#include <o3tl/unit_conversion.hxx>
#include <tools/stream.hxx>
#include <vcl/BinaryDataContainer.hxx>
namespace vcl::pdf
{
/// Convert to inch, then apply custom resolution.
inline double pointToPixel(const double fPoint, const double fResolutionDPI)
{
return o3tl::convert(fPoint, o3tl::Length::pt, o3tl::Length::in) * fResolutionDPI;
}
/// Decide if PDF data is old enough to be compatible.
bool isCompatible(SvStream& rInStream, sal_uInt64 nPos, sal_uInt64 nSize);
/// Converts to highest supported format version (currently 1.6).
/// Usually used to deal with missing referenced objects in the
/// source pdf stream.
bool convertToHighestSupported(SvStream& rInStream, SvStream& rOutStream);
/// Takes care of transparently downgrading the version of the PDF stream in
/// case it's too new for our PDF export.
bool getCompatibleStream(SvStream& rInStream, SvStream& rOutStream);
BinaryDataContainer createBinaryDataContainer(SvStream& rStream);
} // end of vcl::filter::ipdf namespace
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */