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koffice/chalk/plugins/filters/example/example.cc

96 rindas
2.8 KiB

/*
* This file is part of the KDE project
*
* Copyright (c) 2004 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 <stdlib.h>
#include <vector>
#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_image.h>
#include <kis_iterators_pixel.h>
#include <kis_layer.h>
#include <kis_filter_registry.h>
#include <kis_global.h>
#include <kis_types.h>
// #include <tdemessagebox.h>
#include "example.h"
typedef KGenericFactory<ChalkExample> ChalkExampleFactory;
K_EXPORT_COMPONENT_FACTORY( chalkexample, ChalkExampleFactory( "chalk" ) )
ChalkExample::ChalkExample(TQObject *parent, const char *name, const TQStringList &)
: KParts::Plugin(parent, name)
{
setInstance(ChalkExampleFactory::instance());
if (parent->inherits("KisFilterRegistry")) {
KisFilterRegistry * manager = dynamic_cast<KisFilterRegistry *>(parent);
manager->add(new KisFilterInvert());
}
}
ChalkExample::~ChalkExample()
{
}
KisFilterInvert::KisFilterInvert() : KisFilter(id(), "adjust", i18n("&Invert"))
{
}
void KisFilterInvert::process(KisPaintDeviceSP src, KisPaintDeviceSP dst, KisFilterConfiguration* /*config*/, const TQRect& rect)
{
Q_ASSERT(src != 0);
Q_ASSERT(dst != 0);
KisRectIteratorPixel dstIt = dst->createRectIterator(rect.x(), rect.y(), rect.width(), rect.height(), true );
KisRectIteratorPixel srcIt = src->createRectIterator(rect.x(), rect.y(), rect.width(), rect.height(), false);
int pixelsProcessed = 0;
setProgressTotalSteps(rect.width() * rect.height());
KisColorSpace * cs = src->colorSpace();
TQ_INT32 psize = cs->pixelSize();
while( ! srcIt.isDone() )
{
if(srcIt.isSelected())
{
if (src!=dst)
memcpy(dstIt.rawData(), srcIt.oldRawData(), psize);
cs->invertColor( dstIt.rawData(), 1);
}
setProgress(++pixelsProcessed);
++srcIt;
++dstIt;
}
setProgressDone(); // Must be called even if you don't really support progression
}