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path: root/chalk/plugins/viewplugins/rotateimage/rotateimage.cpp
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/*
 * rotateimage.cpp -- Part of Chalk
 *
 * Copyright (c) 2004 Michael Thaler
 *
 *  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 of the License, 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.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */


#include <math.h>

#include <stdlib.h>

#include <tqslider.h>
#include <tqpoint.h>

#include <tdelocale.h>
#include <kiconloader.h>
#include <kinstance.h>
#include <tdemessagebox.h>
#include <kstandarddirs.h>
#include <tdetempfile.h>
#include <kdebug.h>
#include <kgenericfactory.h>

#include <kis_doc.h>
#include <kis_config.h>
#include <kis_image.h>
#include <kis_layer.h>
#include <kis_global.h>
#include <kis_types.h>
#include <kis_view.h>
#include <kis_selection.h>

#include "rotateimage.h"
#include "dlg_rotateimage.h"

typedef KGenericFactory<RotateImage> RotateImageFactory;
K_EXPORT_COMPONENT_FACTORY( chalkrotateimage, RotateImageFactory( "chalk" ) )

// XXX: this plugin could also provide layer scaling/resizing
RotateImage::RotateImage(TQObject *parent, const char *name, const TQStringList &)
    : KParts::Plugin(parent, name)
{

    if ( parent->inherits("KisView") ) {
        setInstance(RotateImageFactory::instance());
        setXMLFile(locate("data","chalkplugins/rotateimage.rc"), true);
        m_view = (KisView*) parent;
        (void) new TDEAction(i18n("&Rotate Image..."), 0, 0, TQT_TQOBJECT(this), TQT_SLOT(slotRotateImage()), actionCollection(), "rotateimage");
        (void) new TDEAction(i18n("Rotate Image CW"), "object-rotate-right", 0, TQT_TQOBJECT(this), TQT_SLOT(slotRotateImage90()), actionCollection(), "rotateImageCW90");
        (void) new TDEAction(i18n("Rotate Image 1&80"), 0, 0, TQT_TQOBJECT(this), TQT_SLOT(slotRotateImage180()), actionCollection(), "rotateImage180");
        (void) new TDEAction(i18n("Rotate Image CCW"), "object-rotate-left", 0, TQT_TQOBJECT(this), TQT_SLOT(slotRotateImage270()), actionCollection(), "rotateImageCCW90");

        (void) new TDEAction(i18n("&Rotate Layer..."), 0, 0, TQT_TQOBJECT(this), TQT_SLOT(slotRotateLayer()), actionCollection(), "rotatelayer");

        (void)new TDEAction(i18n("Rotate 1&80"), 0, TQT_TQOBJECT(m_view), TQT_SLOT(rotateLayer180()), actionCollection(), "rotateLayer180");
        (void)new TDEAction(i18n("Rotate CCW"), "object-rotate-left", 0, TQT_TQOBJECT(m_view), TQT_SLOT(rotateLayerLeft90()), actionCollection(), "rotateLayerCCW90");
        (void)new TDEAction(i18n("Rotate CW"), "object-rotate-right", 0, TQT_TQOBJECT(m_view), TQT_SLOT(rotateLayerRight90()), actionCollection(), "rotateLayerCW90");
    }
}

RotateImage::~RotateImage()
{
    m_view = 0;
}

void RotateImage::slotRotateImage()
{
    KisImageSP image = m_view->canvasSubject()->currentImg();

    if (!image) return;

    DlgRotateImage * dlgRotateImage = new DlgRotateImage(m_view, "RotateImage");
    TQ_CHECK_PTR(dlgRotateImage);

    dlgRotateImage->setCaption(i18n("Rotate Image"));

        if (dlgRotateImage->exec() == TQDialog::Accepted) {
        double angle = dlgRotateImage->angle();
        angle *= M_PI/180;
        m_view->rotateCurrentImage(angle);
    }
    delete dlgRotateImage;
}

void RotateImage::slotRotateImage90()
{
    m_view->rotateCurrentImage( M_PI/2);
}

void RotateImage::slotRotateImage180()
{
    m_view->rotateCurrentImage( M_PI );
}


void RotateImage::slotRotateImage270()
{
    m_view->rotateCurrentImage( - M_PI/2 + M_PI*2 );
}

void RotateImage::slotRotateLayer()
{
    KisImageSP image = m_view->canvasSubject()->currentImg();

    if (!image) return;

    DlgRotateImage * dlgRotateImage = new DlgRotateImage(m_view, "RotateLayer");
    TQ_CHECK_PTR(dlgRotateImage);

    dlgRotateImage->setCaption(i18n("Rotate Layer"));

    if (dlgRotateImage->exec() == TQDialog::Accepted) {
        double angle = dlgRotateImage->angle();
        angle *= M_PI/180;
        m_view->rotateLayer(angle);
    }
    delete dlgRotateImage;
}

#include "rotateimage.moc"