/* -*- 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: */
Messung V0.5 in Prozent C=98 H=97 G=97
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet am 2026-06-10)
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