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107 lines
3.0 KiB
107 lines
3.0 KiB
15 years ago
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/*
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Copyright (c) 2003,2004,2005 Clarence Dang <dang@kde.org>
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <qapplication.h>
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#include <qpixmap.h>
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#include <klocale.h>
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#include <kpdefs.h>
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#include <kpdocument.h>
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#include <kpmainwindow.h>
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#include <kppixmapfx.h>
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#include <kpselection.h>
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#include <kptoolconverttograyscale.h>
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kpToolConvertToGrayscaleCommand::kpToolConvertToGrayscaleCommand (bool actOnSelection,
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kpMainWindow *mainWindow)
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: kpCommand (mainWindow),
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m_actOnSelection (actOnSelection),
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m_oldPixmapPtr (0)
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{
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}
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kpToolConvertToGrayscaleCommand::~kpToolConvertToGrayscaleCommand ()
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{
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delete m_oldPixmapPtr;
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}
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// public virtual [base kpCommand]
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QString kpToolConvertToGrayscaleCommand::name () const
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{
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QString opName = i18n ("Reduce to Grayscale");
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if (m_actOnSelection)
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return i18n ("Selection: %1").arg (opName);
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else
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return opName;
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}
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// public virtual [base kpCommand]
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int kpToolConvertToGrayscaleCommand::size () const
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{
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return kpPixmapFX::pixmapSize (m_oldPixmapPtr);
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}
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// public virtual [base kpCommand]
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void kpToolConvertToGrayscaleCommand::execute ()
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{
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kpDocument *doc = document ();
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if (!doc)
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return;
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QApplication::setOverrideCursor (Qt::waitCursor);
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m_oldPixmapPtr = new QPixmap ();
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*m_oldPixmapPtr = *doc->pixmap (m_actOnSelection);
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QPixmap newPixmap = kpPixmapFX::convertToGrayscale (*doc->pixmap (m_actOnSelection));
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doc->setPixmap (m_actOnSelection, newPixmap);
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QApplication::restoreOverrideCursor ();
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}
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// public virtual [base kpCommand]
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void kpToolConvertToGrayscaleCommand::unexecute ()
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{
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kpDocument *doc = document ();
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if (!doc)
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return;
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doc->setPixmap (m_actOnSelection, *m_oldPixmapPtr);
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delete m_oldPixmapPtr;
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m_oldPixmapPtr = 0;
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}
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