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/* ============================================================
*
* This file is a part of kipi-plugins project
* http://www.kipi-plugins.org
*
* Date : 2003-10-14
* Description : batch image rotation
*
* Copyright (C) 2003-2005 by Renchi Raju <renchi@pooh.tam.uiuc.edu>
* Copyright (C) 2004-2007 by Marcel Wiesweg <marcel dot wiesweg at gmx dot de>
* Copyright (C) 2006-2007 by Gilles Caulier <caulier dot gilles at gmail dot com>
*
* NOTE: Do not use kdDebug() in this implementation because
* it will be multithreaded. Use tqDebug() instead.
* See B.K.O #133026 for details.
*
* This program is free software; you can redistribute it
* and/or modify it under the terms of the GNU General
* Public License as published by the Free Software Foundation;
* either version 2, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* ============================================================ */
#define XMD_H
// C++ includes.
#include <cstdio>
// C Ansi includes.
extern "C"
{
#include <sys/types.h>
#include <unistd.h>
#include <jpeglib.h>
}
// TQt includes.
#include <tqimage.h>
#include <tqwmatrix.h>
#include <tqfile.h>
#include <tqfileinfo.h>
// KDE includes.
#include <kprocess.h>
#include <klocale.h>
#include <kurl.h>
#include <ktempfile.h>
// Local includes.
#include "utils.h"
#include "transupp.h"
#include "jpegtransform.h"
#include "imagerotate.h"
#include "imagerotate.moc"
namespace KIPIJPEGLossLessPlugin
{
ImageRotate::ImageRotate()
: TQObject()
{
m_tmpFile = new KTempFile(TQString(), TQString("kipiplugin-rotate"));
m_tmpFile->setAutoDelete(true);
}
ImageRotate::~ImageRotate()
{
delete m_tmpFile;
}
bool ImageRotate::rotate(const TQString& src, RotateAction angle, TQString& err)
{
TQFileInfo fi(src);
if (!fi.exists() || !fi.isReadable() || !fi.isWritable())
{
err = i18n("Error in opening input file");
return false;
}
if ( !m_tmpFile->file() )
{
err = i18n("Error in opening temporary file");
return false;
}
TQString tmp = m_tmpFile->name();
if (Utils::isRAW(src))
{
err = i18n("Cannot rotate RAW file");
return false;
}
else if (Utils::isJPEG(src))
{
if (!rotateJPEG(src, tmp, angle, err)) {
if (err == "nothing to do") { err=TQString(); return true; }
return false;
}
}
else
{
// B.K.O #123499 : we using Image Magick API here instead QT API
// else TIFF/PNG 16 bits image are broken!
if (!rotateImageMagick(src, tmp, angle, err))
return false;
// We update metadata on new image.
Utils tools(this);
if (!tools.updateMetadataImageMagick(tmp, err))
return false;
}
// Move back to original file
if (!Utils::MoveFile(tmp, src))
{
err = i18n("Cannot update source image");
return false;
}
return true;
}
bool ImageRotate::rotateJPEG(const TQString& src, const TQString& dest, RotateAction angle, TQString& err)
{
Matrix transform=Matrix::none;
switch(angle)
{
case (Rot90):
{
transform = Matrix::rotate90;
break;
}
case (Rot180):
{
transform = Matrix::rotate180;
break;
}
case (Rot270):
{
transform = Matrix::rotate270;
break;
}
case (Rot0):
{
transform = Matrix::none;
break;
}
default:
{
tqDebug("ImageRotate: Nonstandard rotation angle");
err = i18n("Nonstandard rotation angle");
return false;
}
}
return transformJPEG(src, dest, transform, err);
}
bool ImageRotate::rotateImageMagick(const TQString& src, const TQString& dest,
RotateAction angle, TQString& err)
{
KProcess process;
process.clearArguments();
process << "convert";
process << "-verbose";
process << "-rotate";
switch(angle)
{
case (Rot90):
{
process << "90";
break;
}
case (Rot180):
{
process << "180";
break;
}
case (Rot270):
{
process << "270";
break;
}
case (Rot0):
{
break;
}
default:
{
tqDebug("ImageRotate: Nonstandard rotation angle");
err = i18n("Nonstandard rotation angle");
return false;
}
}
process << src + TQString("[0]") << dest;
tqDebug("ImageMagick Command line args:");
TQValueList<TQCString> args = process.args();
for (TQValueList<TQCString>::iterator it = args.begin(); it != args.end(); ++it)
tqDebug("%s", (const char*)(*it));
connect(&process, TQT_SIGNAL(receivedStderr(KProcess *, char*, int)),
this, TQT_SLOT(slotReadStderr(KProcess*, char*, int)));
if (!process.start(KProcess::Block, KProcess::Stderr))
return false;
if (!process.normalExit())
return false;
switch (process.exitStatus())
{
case 0: // Process finished successfully !
{
return true;
break;
}
case 15: // process aborted !
{
return false;
break;
}
}
// Processing error !
err = i18n("Cannot rotate: %1").arg(m_stdErr.replace('\n', ' '));
return false;
}
void ImageRotate::slotReadStderr(KProcess*, char* buffer, int buflen)
{
m_stdErr.append(TQString::fromLocal8Bit(buffer, buflen));
}
} // NameSpace KIPIJPEGLossLessPlugin
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