diff options
Diffstat (limited to 'chalk/plugins/viewplugins/selectopaque/selectopaque.cpp')
-rw-r--r-- | chalk/plugins/viewplugins/selectopaque/selectopaque.cpp | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/chalk/plugins/viewplugins/selectopaque/selectopaque.cpp b/chalk/plugins/viewplugins/selectopaque/selectopaque.cpp new file mode 100644 index 00000000..61d85634 --- /dev/null +++ b/chalk/plugins/viewplugins/selectopaque/selectopaque.cpp @@ -0,0 +1,116 @@ +/* + * 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, TQT_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" + |