File indexing completed on 2024-12-22 04:07:22

0001 
0002 /*
0003    Copyright (c) 2003-2007 Clarence Dang <dang@kde.org>
0004    All rights reserved.
0005 
0006    Redistribution and use in source and binary forms, with or without
0007    modification, are permitted provided that the following conditions
0008    are met:
0009 
0010    1. Redistributions of source code must retain the above copyright
0011       notice, this list of conditions and the following disclaimer.
0012    2. Redistributions in binary form must reproduce the above copyright
0013       notice, this list of conditions and the following disclaimer in the
0014       documentation and/or other materials provided with the distribution.
0015 
0016    THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
0017    IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
0018    OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
0019    IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
0020    INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
0021    NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
0022    DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
0023    THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
0024    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
0025    THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
0026 */
0027 
0028 
0029 #include "kpEffectClearCommand.h"
0030 
0031 #include "layers/selections/image/kpAbstractImageSelection.h"
0032 #include "kpDefs.h"
0033 #include "document/kpDocument.h"
0034 
0035 #include <KLocalizedString>
0036 
0037 //--------------------------------------------------------------------------------
0038 
0039 kpEffectClearCommand::kpEffectClearCommand (bool actOnSelection,
0040         const kpColor &newColor,
0041         kpCommandEnvironment *environ)
0042     : kpCommand (environ),
0043       m_actOnSelection (actOnSelection),
0044       m_newColor (newColor),
0045       m_oldImagePtr (nullptr)
0046 {
0047 }
0048 
0049 kpEffectClearCommand::~kpEffectClearCommand ()
0050 {
0051     delete m_oldImagePtr;
0052 }
0053 
0054 
0055 // public virtual [base kpCommand]
0056 QString kpEffectClearCommand::name () const
0057 {
0058     QString opName = i18n ("Clear");
0059 
0060     return (m_actOnSelection) ? i18n ("Selection: %1", opName) : opName;
0061 }
0062 
0063 
0064 // public virtual [base kpCommand]
0065 kpCommandSize::SizeType kpEffectClearCommand::size () const
0066 {
0067     return ImageSize (m_oldImagePtr);
0068 }
0069 
0070 
0071 // public virtual [base kpCommand]
0072 void kpEffectClearCommand::execute ()
0073 {
0074     kpDocument *doc = document ();
0075     Q_ASSERT (doc);
0076 
0077 
0078     m_oldImagePtr = new kpImage ();
0079     *m_oldImagePtr = doc->image (m_actOnSelection);
0080 
0081 
0082     // REFACTOR: Would like to derive entire class from kpEffectCommandBase but
0083     //           this code makes it difficult since it's not just acting on pixels
0084     //           (kpAbstractImageSelection::fill() takes into account the shape of a selection).
0085     if (m_actOnSelection)
0086     {
0087         // OPT: could just edit pixmap directly and signal change
0088         kpAbstractImageSelection *sel = doc->imageSelection ();
0089         Q_ASSERT (sel);
0090         sel->fill (m_newColor);
0091     }
0092     else {
0093         doc->fill (m_newColor);
0094     }
0095 }
0096 
0097 // public virtual [base kpCommand]
0098 void kpEffectClearCommand::unexecute ()
0099 {
0100     kpDocument *doc = document ();
0101     Q_ASSERT (doc);
0102 
0103 
0104     doc->setImage (m_actOnSelection, *m_oldImagePtr);
0105 
0106 
0107     delete m_oldImagePtr;
0108     m_oldImagePtr = nullptr;
0109 }
0110