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139 lines
4.4 KiB
139 lines
4.4 KiB
/*
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* This file is part of the KDE project
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*
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* Copyright (c) 2004 Cyrille Berger <cberger@cberger.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "tqdom.h"
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#include "tdelocale.h"
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#include "kdebug.h"
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#include "kis_painter.h"
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#include "kis_convolution_filter.h"
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#include "kis_convolution_painter.h"
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#include "kis_progress_display_interface.h"
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#include "kis_progress_subject.h"
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void KisConvolutionConfiguration::fromXML(const TQString & s)
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{
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m_matrix = new KisKernel();
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TQDomDocument doc;
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doc.setContent( s );
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TQDomElement e = doc.documentElement();
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TQDomNode n = e.firstChild();
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m_name = e.attribute("name");
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m_version = e.attribute("version").toInt();
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TQDomElement matrix = n.toElement();
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m_matrix->width = TQString( matrix.attribute( "width" ) ).toInt();
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m_matrix->height = TQString( matrix.attribute( "height" ) ).toInt();
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m_matrix->offset = TQString( matrix.attribute( "offset" ) ).toInt();
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m_matrix->factor = TQString( matrix.attribute( "factor" ) ).toInt();
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m_matrix->data = new TQ_INT32[m_matrix->width * m_matrix->height];
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TQStringList data = TQStringList::split( ",", e.text() );
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TQStringList::Iterator start = data.begin();
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TQStringList::Iterator end = data.end();
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int i = 0;
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for ( TQStringList::Iterator it = start; it != end; ++it ) {
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TQString s = *it;
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m_matrix->data[i] = s.toInt();
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i++;
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}
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}
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TQString KisConvolutionConfiguration::toString()
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{
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TQDomDocument doc = TQDomDocument("filterconfig");
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TQDomElement root = doc.createElement( "filterconfig" );
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root.setAttribute( "name", name() );
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root.setAttribute( "version", version() );
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doc.appendChild( root );
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TQDomElement e = doc.createElement( "kernel" );
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e.setAttribute( "width", m_matrix->width );
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e.setAttribute( "height", m_matrix->height );
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e.setAttribute( "offset", m_matrix->offset );
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e.setAttribute( "factor", m_matrix->factor );
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TQString data;
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for ( uint i = 0; i < m_matrix->width * m_matrix->height; ++i ) {
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data += TQString::number( m_matrix->data[i] );
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data += ",";
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}
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TQDomText text = doc.createCDATASection(data);
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e.appendChild(text);
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root.appendChild(e);
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return doc.toString();
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}
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void KisConvolutionFilter::process(KisPaintDeviceSP src,
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KisPaintDeviceSP dst,
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KisFilterConfiguration* configuration,
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const TQRect& rect)
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{
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if (!configuration) {
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setProgressDone();
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return;
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}
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if (dst != src) {
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kdDebug() << "src != dst\n";
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KisPainter gc(dst);
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gc.bitBlt(rect.x(), rect.y(), COMPOSITE_COPY, src, rect.x(), rect.y(), rect.width(), rect.height());
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gc.end();
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}
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KisConvolutionPainter painter( dst );
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if (m_progressDisplay)
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m_progressDisplay->setSubject( &painter, true, true );
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KisKernelSP kernel = ((KisConvolutionConfiguration*)configuration)->matrix();
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KisChannelInfo::enumChannelFlags channels = ((KisConvolutionConfiguration*)configuration)->channels();
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painter.applyMatrix(kernel, rect.x(), rect.y(), rect.width(), rect.height(), BORDER_REPEAT, channels );
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if (painter.cancelRequested()) {
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cancel();
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}
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setProgressDone();
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}
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int KisConvolutionFilter::overlapMarginNeeded(KisFilterConfiguration* c) const {
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KisConvolutionConfiguration* config = dynamic_cast<KisConvolutionConfiguration*>(c);
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if (!config)
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return 0;
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KisKernelSP kernel = config->matrix();
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return TQMAX(kernel->width / 2, kernel->height / 2);
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}
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KisFilterConfiguration* KisConvolutionConstFilter::configuration(TQWidget*)
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{
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return new KisConvolutionConfiguration( id().id(), m_matrix, m_channelFlags);
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}
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#include "kis_convolution_filter.moc"
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