office-gobmx/vcl/inc/graphic/GraphicFormatDetector.hxx
Noel Grandin a25333429d replace createFromAscii with OUString literals in getImportFormatShortName
Change-Id: I3f62ea563af8e2c9aa5ed558370b49f05804c632
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/167550
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2024-05-12 20:25:54 +02:00

206 lines
6.3 KiB
C++

/* -*- 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/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you 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 .
*/
#pragma once
#include <tools/stream.hxx>
#include <vector>
#include <vcl/graphic/GraphicMetadata.hxx>
namespace vcl
{
static inline OUString getImportFormatShortName(GraphicFileFormat nFormat)
{
OUString aKeyName;
switch (nFormat)
{
case GraphicFileFormat::BMP:
aKeyName = u"BMP"_ustr;
break;
case GraphicFileFormat::GIF:
aKeyName = u"GIF"_ustr;
break;
case GraphicFileFormat::JPG:
aKeyName = u"JPG"_ustr;
break;
case GraphicFileFormat::PCD:
aKeyName = u"PCD"_ustr;
break;
case GraphicFileFormat::PCX:
aKeyName = u"PCX"_ustr;
break;
case GraphicFileFormat::PNG:
aKeyName = u"PNG"_ustr;
break;
case GraphicFileFormat::APNG:
aKeyName = u"APNG"_ustr;
break;
case GraphicFileFormat::XBM:
aKeyName = u"XBM"_ustr;
break;
case GraphicFileFormat::XPM:
aKeyName = u"XPM"_ustr;
break;
case GraphicFileFormat::PBM:
aKeyName = u"PBM"_ustr;
break;
case GraphicFileFormat::PGM:
aKeyName = u"PGM"_ustr;
break;
case GraphicFileFormat::PPM:
aKeyName = u"PPM"_ustr;
break;
case GraphicFileFormat::RAS:
aKeyName = u"RAS"_ustr;
break;
case GraphicFileFormat::TGA:
aKeyName = u"TGA"_ustr;
break;
case GraphicFileFormat::PSD:
aKeyName = u"PSD"_ustr;
break;
case GraphicFileFormat::EPS:
aKeyName = u"EPS"_ustr;
break;
case GraphicFileFormat::TIF:
aKeyName = u"TIF"_ustr;
break;
case GraphicFileFormat::DXF:
aKeyName = u"DXF"_ustr;
break;
case GraphicFileFormat::MET:
aKeyName = u"MET"_ustr;
break;
case GraphicFileFormat::PCT:
aKeyName = u"PCT"_ustr;
break;
case GraphicFileFormat::SVM:
aKeyName = u"SVM"_ustr;
break;
case GraphicFileFormat::WMF:
aKeyName = u"WMF"_ustr;
break;
case GraphicFileFormat::EMF:
aKeyName = u"EMF"_ustr;
break;
case GraphicFileFormat::SVG:
aKeyName = u"SVG"_ustr;
break;
case GraphicFileFormat::WMZ:
aKeyName = u"WMZ"_ustr;
break;
case GraphicFileFormat::EMZ:
aKeyName = u"EMZ"_ustr;
break;
case GraphicFileFormat::SVGZ:
aKeyName = u"SVGZ"_ustr;
break;
case GraphicFileFormat::WEBP:
aKeyName = u"WEBP"_ustr;
break;
case GraphicFileFormat::MOV:
aKeyName = u"MOV"_ustr;
break;
case GraphicFileFormat::PDF:
aKeyName = u"PDF"_ustr;
break;
default:
assert(false);
}
return aKeyName;
}
/***
* This function is has two modes:
* - determine the file format when bTest = false
* returns true, success
* out rFormatExtension - on success: file format string
* - verify file format when bTest = true
* returns false, if file type can't be verified
* true, if the format is verified or the format is not known
*/
VCL_DLLPUBLIC bool peekGraphicFormat(SvStream& rStream, OUString& rFormatExtension, bool bTest);
class VCL_DLLPUBLIC GraphicFormatDetector
{
public:
SvStream& mrStream;
OUString maExtension;
std::vector<sal_uInt8> maFirstBytes;
sal_uInt32 mnFirstLong;
sal_uInt32 mnSecondLong;
sal_uInt64 mnStreamPosition;
sal_uInt64 mnStreamLength;
GraphicFormatDetector(SvStream& rStream, OUString aFormatExtension, bool bExtendedInfo = false);
bool detect();
bool checkMET();
bool checkBMP();
bool checkWMF();
bool checkEMF();
bool checkPCX();
bool checkTIF();
bool checkGIF();
bool checkPNG();
bool checkAPNG();
bool checkJPG();
SAL_DLLPRIVATE bool checkSVM();
SAL_DLLPRIVATE bool checkPCD();
bool checkPSD();
bool checkEPS();
SAL_DLLPRIVATE bool checkDXF();
SAL_DLLPRIVATE bool checkPCT();
SAL_DLLPRIVATE bool checkPBM();
SAL_DLLPRIVATE bool checkPGM();
SAL_DLLPRIVATE bool checkPPM();
SAL_DLLPRIVATE bool checkRAS();
bool checkXPM();
bool checkXBM();
bool checkSVG();
bool checkTGA();
SAL_DLLPRIVATE bool checkMOV();
bool checkPDF();
bool checkWEBP();
const GraphicMetadata& getMetadata();
private:
/**
* @brief Checks whether mrStream needs to be uncompressed and returns a pointer to the
* to aUncompressedBuffer or a pointer to maFirstBytes if it doesn't need to be uncompressed
*
* @param aUncompressedBuffer the buffer to hold the uncompressed data
* @param nSize the amount of bytes to uncompress
* @param nRetSize the amount of bytes actually uncompressed
* @return sal_uInt8* a pointer to maFirstBytes or aUncompressed buffer
*/
SAL_DLLPRIVATE sal_uInt8* checkAndUncompressBuffer(sal_uInt8* aUncompressedBuffer,
sal_uInt32 nSize,
sal_uInt64& nDecompressedSize);
bool mbExtendedInfo;
bool mbWasCompressed;
GraphicMetadata maMetadata;
};
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */