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/*
* selectopague.h -- Part of Chalk
*
* Copyright (c) 2004 Boudewijn Rempt (boud@valdyas.org)
*
* 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 <tqcursor.h>
#include <tqapplication.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_selected_transaction.h>
#include <kis_cursor.h>
#include <kis_doc.h>
#include <kis_image.h>
#include <kis_layer.h>
#include <kis_paint_device.h>
#include <kis_iterator.h>
#include <kis_iterators_pixel.h>
#include <kis_global.h>
#include <kis_types.h>
#include <kis_view.h>
#include <kis_selection.h>
#include <kis_selection_manager.h>
#include "selectopaque.h"
typedef KGenericFactory<SelectOpaque> SelectOpaqueFactory;
K_EXPORT_COMPONENT_FACTORY( chalkselectopaque, SelectOpaqueFactory( "chalk" ) )
SelectOpaque::SelectOpaque(TQObject *parent, const char *name, const TQStringList &)
: KParts::Plugin(parent, name)
{
if (parent->inherits("KisView")) {
setInstance(SelectOpaqueFactory::instance());
setXMLFile(locate("data","chalkplugins/selectopaque.rc"), true);
m_view = dynamic_cast<KisView*>(parent);
m_view->canvasSubject()->selectionManager()->addSelectionAction( new TDEAction(i18n("&Select All Opaque Pixels..."), 0, 0, this, TQ_SLOT(slotActivated()), actionCollection(), "selectopaque") );
}
}
SelectOpaque::~SelectOpaque()
{
}
void SelectOpaque::slotActivated()
{
KisSelectedTransaction *transaction;
KisPaintDeviceSP layer = m_view->canvasSubject()->currentImg()->activeDevice();
if (!layer) return;
TQApplication::setOverrideCursor(KisCursor::waitCursor());
if (layer->image()->undo()) transaction = new KisSelectedTransaction(i18n("Select Opaque Pixels"), layer);
// XXX: Multithread this!
TQ_INT32 x, y, w, h;
layer->exactBounds(x, y, w, h);
KisColorSpace * cs = layer->colorSpace();
if(! layer->hasSelection())
layer->selection()->clear();
KisSelectionSP selection = layer->selection();
KisHLineIterator hiter = layer->createHLineIterator(x, y, w, false);
KisHLineIterator selIter = selection ->createHLineIterator(x, y, w, true);
for (int row = 0; row < h; ++row) {
while (!hiter.isDone()) {
// Don't try to select transparent pixels.
if (cs->getAlpha( hiter.rawData() ) > OPACITY_TRANSPARENT) {
*(selIter.rawData()) = MAX_SELECTED;
}
++hiter;
++selIter;
}
hiter.nextRow();
selIter.nextRow();
}
TQApplication::restoreOverrideCursor();
layer->setDirty();
layer->emitSelectionChanged();
if (layer->image()->undo()) m_view->canvasSubject()->undoAdapter()->addCommand(transaction);
}
#include "selectopaque.moc"
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