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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/.
*
* 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 .
*/
#include <stdio.h>
#include <signal.h>
#include <ctype.h>
#include <rtl/strbuf.hxx>
#include <tools/fsys.hxx>
#include <tools/stream.hxx>
#include <vcl/svapp.hxx>
#include <vcl/graphicfilter.hxx>
#define EXIT_NOERROR 0x00000000
#define EXIT_COMMONERROR 0x00000001
#define EXIT_INVALID_FILE 0x00000002
#define EXIT_INVALID_GRAPHICFILTER 0x00000004
#define EXIT_INVALID_INPUTGRAPHIC 0x00000008
#define EXIT_OUTPUTERROR 0x00000010
#define LOWERHEXTONUM( _def_Char ) (((_def_Char)<='9') ? ((_def_Char)-'0') : ((_def_Char)-'a'+10))
// ----------
// - G2GApp -
// ----------
class G2GApp
{
private:
sal_uInt8 cExitCode;
void ShowUsage();
sal_Bool GetCommandOption( const ::std::vector< String >& rArgs, const String& rSwitch, String& rParam );
void SetExitCode( sal_uInt8 cExit ) { if( ( EXIT_NOERROR == cExitCode ) || ( cExit != EXIT_NOERROR ) ) cExitCode = cExit; }
virtual void Message( const String& rText, sal_uInt8 cExitCode = EXIT_NOERROR );
public:
G2GApp();
virtual ~G2GApp();
int Start( const ::std::vector< String >& rArgs );
};
// -----------------------------------------------------------------------
G2GApp::G2GApp()
{
}
// -----------------------------------------------------------------------
G2GApp::~G2GApp()
{
}
// -----------------------------------------------------------------------
sal_Bool G2GApp::GetCommandOption( const ::std::vector< String >& rArgs, const String& rSwitch, String& rParam )
{
sal_Bool bRet = sal_False;
for( int i = 0, nCount = rArgs.size(); ( i < nCount ) && !bRet; i++ )
{
rtl::OUString aTestStr( '-' );
for( int n = 0; ( n < 2 ) && !bRet; n++ )
{
aTestStr += rSwitch;
if( aTestStr.equalsIgnoreAsciiCase( rArgs[ i ] ) )
{
bRet = sal_True;
if( i < ( nCount - 1 ) )
rParam = rArgs[ i + 1 ];
else
rParam = String();
}
if( 0 == n )
aTestStr = rtl::OUString('/');
}
}
return bRet;
}
// -----------------------------------------------------------------------
void G2GApp::Message( const String& rText, sal_uInt8 nExitCode )
{
if( EXIT_NOERROR != nExitCode )
SetExitCode( nExitCode );
rtl::OStringBuffer aText(rtl::OUStringToOString(rText, RTL_TEXTENCODING_UTF8));
aText.append(RTL_CONSTASCII_STRINGPARAM("\r\n"));
fprintf(stderr, "%s", aText.getStr());
}
// -----------------------------------------------------------------------------
void G2GApp::ShowUsage()
{
Message( String( RTL_CONSTASCII_USTRINGPARAM( "Usage:" ) ) );
Message( String( RTL_CONSTASCII_USTRINGPARAM( " g2g inputfile outputfile -format exportformat -filterpath path [ -# RRGGBB ]" ) ) );
Message( String( RTL_CONSTASCII_USTRINGPARAM( "Options:" ) ) );
Message( String( RTL_CONSTASCII_USTRINGPARAM( " -format short name of export filter to use ( e.g. gif, png, jpg, ... )" ) ) );
Message( String( RTL_CONSTASCII_USTRINGPARAM( " -filterpath path to externally loaded filter libraries" ) ) );
Message( String( RTL_CONSTASCII_USTRINGPARAM( " -# hex value of color to be set transparent in export file (optional)" ) ) );
Message( String( RTL_CONSTASCII_USTRINGPARAM( "Examples:" ) ) );
Message( String( RTL_CONSTASCII_USTRINGPARAM( " g2g /home/test.bmp /home/test.jpg -format jpg -filterpath /home/filter" ) ) );
Message( String( RTL_CONSTASCII_USTRINGPARAM( " g2g /home/test.bmp /home/test.gif -format gif -filterpath /home/filter -# C0C0C0" ) ) );
}
// -----------------------------------------------------------------------------
int G2GApp::Start( const ::std::vector< String >& rArgs )
{
size_t nCmdCount = rArgs.size();
cExitCode = EXIT_NOERROR;
if( nCmdCount >= 6 )
{
GraphicFilter aFilter( sal_False );
String aInFile, aOutFile, aFilterStr, aFilterPath, aTransColStr;
size_t nCurCmd = 0;
aInFile = rArgs[ nCurCmd++ ];
aOutFile = rArgs[ nCurCmd++ ];
GetCommandOption( rArgs, rtl::OUString("format"), aFilterStr );
GetCommandOption( rArgs, rtl::OUString("filterpath"), aFilterPath );
GetCommandOption( rArgs, rtl::OUString('#'), aTransColStr );
aFilter.SetFilterPath( aFilterPath );
if( aInFile.Len() && aOutFile.Len() && aFilterStr.Len() )
{
const sal_uInt16 nExportFilter = aFilter.GetExportFormatNumberForShortName( aFilterStr );
if( GRFILTER_FORMAT_NOTFOUND == nExportFilter )
Message( String( RTL_CONSTASCII_USTRINGPARAM( "invalid graphic filter" ) ), EXIT_INVALID_GRAPHICFILTER );
else
{
if( DirEntry( aInFile ).Exists() )
{
SvFileStream aInStm( aInFile, STREAM_READ );
Graphic aGraphic;
const GfxLink aGfxLink;
aGraphic.SetLink( aGfxLink );
if( aFilter.ImportGraphic( aGraphic, aInFile, aInStm ) == GRFILTER_OK )
{
SvFileStream aOutStm( aOutFile, STREAM_WRITE | STREAM_TRUNC );
if( ( aTransColStr.Len() == 6 ) && aFilter.IsExportPixelFormat( nExportFilter ) )
{
rtl::OString aHexStr(rtl::OUStringToOString(aTransColStr, RTL_TEXTENCODING_ASCII_US).
toAsciiLowerCase());
sal_Bool bHex = sal_True;
for( sal_uInt16 i = 0; ( i < 6 ) && bHex; i++ )
if( !isxdigit( aHexStr[i] ) )
bHex = sal_False;
if( bHex )
{
const sal_uInt8 cTransR = ( LOWERHEXTONUM( aHexStr[0] ) << 4 ) | LOWERHEXTONUM( aHexStr[1] );
const sal_uInt8 cTransG = ( LOWERHEXTONUM( aHexStr[2] ) << 4 ) | LOWERHEXTONUM( aHexStr[3] );
const sal_uInt8 cTransB = ( LOWERHEXTONUM( aHexStr[4] ) << 4 ) | LOWERHEXTONUM( aHexStr[5] );
BitmapEx aBmpEx( aGraphic.GetBitmapEx() );
Bitmap aOldBmp( aBmpEx.GetBitmap() );
Bitmap aOldMask( aBmpEx.GetMask() );
Bitmap aNewMask( aOldBmp.CreateMask( Color( cTransR, cTransG, cTransB ) ) );
if( !aOldMask.IsEmpty() )
aNewMask.CombineSimple( aOldMask, BMP_COMBINE_OR );
aGraphic = BitmapEx( aOldBmp, aNewMask );
}
}
aFilter.ExportGraphic( aGraphic, aOutFile, aOutStm, nExportFilter );
if( aOutStm.GetError() )
Message( String( RTL_CONSTASCII_USTRINGPARAM( "could not write output file" ) ), EXIT_OUTPUTERROR );
}
else
Message( String( RTL_CONSTASCII_USTRINGPARAM( "could import graphic" ) ), EXIT_INVALID_INPUTGRAPHIC );
}
else
Message( String( RTL_CONSTASCII_USTRINGPARAM( "invalid file(s)" ) ), EXIT_INVALID_FILE );
}
}
}
else
ShowUsage();
return cExitCode;
}
// --------
// - Main -
// --------
int main( int nArgCount, char* ppArgs[] )
{
::std::vector< String > aArgs;
G2GApp aG2GApp;
InitVCL();
for( int i = 1; i < nArgCount; i++ )
aArgs.push_back( String( ppArgs[ i ], RTL_TEXTENCODING_ASCII_US ) );
return aG2GApp.Start( aArgs );
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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