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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit47d455dd55be855e4cc691c32f687f723d9247ee (patch)
tree52e236aaa2576bdb3840ebede26619692fed6d7d /kolourpaint/tools/kptoolconverttograyscale.cpp
downloadtdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.tar.gz
tdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'kolourpaint/tools/kptoolconverttograyscale.cpp')
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diff --git a/kolourpaint/tools/kptoolconverttograyscale.cpp b/kolourpaint/tools/kptoolconverttograyscale.cpp
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+
+/*
+ Copyright (c) 2003,2004,2005 Clarence Dang <dang@kde.org>
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+
+ 1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ 2. Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+
+#include <qapplication.h>
+#include <qpixmap.h>
+
+#include <klocale.h>
+
+#include <kpdefs.h>
+#include <kpdocument.h>
+#include <kpmainwindow.h>
+#include <kppixmapfx.h>
+#include <kpselection.h>
+#include <kptoolconverttograyscale.h>
+
+
+kpToolConvertToGrayscaleCommand::kpToolConvertToGrayscaleCommand (bool actOnSelection,
+ kpMainWindow *mainWindow)
+ : kpCommand (mainWindow),
+ m_actOnSelection (actOnSelection),
+ m_oldPixmapPtr (0)
+{
+}
+
+kpToolConvertToGrayscaleCommand::~kpToolConvertToGrayscaleCommand ()
+{
+ delete m_oldPixmapPtr;
+}
+
+
+// public virtual [base kpCommand]
+QString kpToolConvertToGrayscaleCommand::name () const
+{
+ QString opName = i18n ("Reduce to Grayscale");
+
+ if (m_actOnSelection)
+ return i18n ("Selection: %1").arg (opName);
+ else
+ return opName;
+}
+
+
+// public virtual [base kpCommand]
+int kpToolConvertToGrayscaleCommand::size () const
+{
+ return kpPixmapFX::pixmapSize (m_oldPixmapPtr);
+}
+
+
+// public virtual [base kpCommand]
+void kpToolConvertToGrayscaleCommand::execute ()
+{
+ kpDocument *doc = document ();
+ if (!doc)
+ return;
+
+ QApplication::setOverrideCursor (Qt::waitCursor);
+
+ m_oldPixmapPtr = new QPixmap ();
+ *m_oldPixmapPtr = *doc->pixmap (m_actOnSelection);
+
+ QPixmap newPixmap = kpPixmapFX::convertToGrayscale (*doc->pixmap (m_actOnSelection));
+
+ doc->setPixmap (m_actOnSelection, newPixmap);
+
+ QApplication::restoreOverrideCursor ();
+}
+
+// public virtual [base kpCommand]
+void kpToolConvertToGrayscaleCommand::unexecute ()
+{
+ kpDocument *doc = document ();
+ if (!doc)
+ return;
+
+ doc->setPixmap (m_actOnSelection, *m_oldPixmapPtr);
+
+ delete m_oldPixmapPtr;
+ m_oldPixmapPtr = 0;
+}
+