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path: root/filters/chalk/jpeg/kis_jpeg_export.cpp
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/*
 *  Copyright (c) 2005 Cyrille Berger <cberger@cberger.net>
 *
 *  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 "kis_jpeg_export.h"

#include <tqcheckbox.h>
#include <tqslider.h>

#include <tdeapplication.h>
#include <kdialogbase.h>
#include <kgenericfactory.h>

#include <KoFilterChain.h>

#include <kis_doc.h>
#include <kis_image.h>
#include <kis_group_layer.h>
#include <kis_paint_layer.h>
#include <kis_progress_display_interface.h>
#include <kis_layer_visitor.h>

#include "kis_jpeg_converter.h"
#include "kis_wdg_options_jpeg.h"

    
class KisExifInfoVisitor : public KisLayerVisitor
{
    public:
        KisExifInfoVisitor() :
            m_exifInfo(0),
            m_countPaintLayer(0)
        { };
    public:
        virtual bool visit(KisPaintLayer* layer) {
            m_countPaintLayer++;
            if( layer->paintDevice()->hasExifInfo())
                m_exifInfo = layer->paintDevice()->exifInfo();
            return true;
        };
        virtual bool visit(KisGroupLayer* layer)
        {
            kdDebug(41008) << "Visiting on grouplayer " << layer->name() << "\n";
            KisLayerSP child = layer->firstChild();
            while (child) {
                child->accept(*this);
                child = child->nextSibling();
            }
            return true;
        }
        virtual bool visit(KisPartLayer *) { return true; };
        virtual bool visit(KisAdjustmentLayer* ) {  return true; };
    public:
        inline uint countPaintLayer() { return m_countPaintLayer; }
        inline KisExifInfo* exifInfo() {return m_exifInfo; }
    private:
        KisExifInfo* m_exifInfo;
        uint m_countPaintLayer;
};


typedef KGenericFactory<KisJPEGExport, KoFilter> KisJPEGExportFactory;
K_EXPORT_COMPONENT_FACTORY(libchalkjpegexport, KisJPEGExportFactory("kofficefilters"))

KisJPEGExport::KisJPEGExport(KoFilter *, const char *, const TQStringList&) : KoFilter()
{
}

KisJPEGExport::~KisJPEGExport()
{
}

KoFilter::ConversionStatus KisJPEGExport::convert(const TQCString& from, const TQCString& to)
{
    kdDebug(41008) << "JPEG export! From: " << from << ", To: " << to << "\n";
    
    if (from != "application/x-chalk")
        return KoFilter::NotImplemented;

    
    KDialogBase* kdb = new KDialogBase(0, "", false, i18n("JPEG Export Options"), KDialogBase::Ok | KDialogBase::Cancel);
 
    KisWdgOptionsJPEG* wdg = new KisWdgOptionsJPEG(kdb);
    kdb->setMainWidget(wdg);
    kapp->restoreOverrideCursor();
    if(kdb->exec() == TQDialog::Rejected)
    {
        return KoFilter::OK; // FIXME Cancel doesn't exist :(
    }
    KisJPEGOptions options;
    options.progressive = wdg->progressive->isChecked();
    options.quality = wdg->qualityLevel->value();
    
    delete kdb;
    // XXX: Add dialog about flattening layers here

    KisDoc *output = dynamic_cast<KisDoc*>(m_chain->inputDocument());
    TQString filename = m_chain->outputFile();
    
    if (!output)
        return KoFilter::CreationError;
    
    
    if (filename.isEmpty()) return KoFilter::FileNotFound;

    KURL url;
    url.setPath(filename);

    KisImageSP img = output->currentImage();
    TQ_CHECK_PTR(img);

    KisJPEGConverter kpc(output, output->undoAdapter());

    KisPaintDeviceSP pd = new KisPaintDevice(*img->projection());
    KisPaintLayerSP l = new KisPaintLayer(img, "projection", OPACITY_OPAQUE, pd);

    vKisAnnotationSP_it beginIt = img->beginAnnotations();
    vKisAnnotationSP_it endIt = img->endAnnotations();
    KisImageBuilder_Result res;
    
    KisExifInfoVisitor eIV;
    eIV.visit( img->rootLayer() );
    
    KisExifInfo* eI = 0;
    if(eIV.countPaintLayer() == 1)
        eI = eIV.exifInfo();
    
    if ( (res = kpc.buildFile(url, l, beginIt, endIt, options, eI)) == KisImageBuilder_RESULT_OK) {
        kdDebug(41008) << "success !" << endl;
        return KoFilter::OK;
    }
    kdDebug(41008) << " Result = " << res << endl;
    return KoFilter::InternalError;
}

#include <kis_jpeg_export.moc>