File indexing completed on 2024-04-28 04:20:27
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 #define DEBUG_KP_TOOL_FLOOD_FILL 0 0030 0031 0032 #include "kpToolFloodFill.h" 0033 0034 #include "commands/kpCommandHistory.h" 0035 #include "kpDefs.h" 0036 #include "document/kpDocument.h" 0037 #include "environments/tools/kpToolEnvironment.h" 0038 #include "commands/tools/kpToolFloodFillCommand.h" 0039 0040 #include "kpLogCategories.h" 0041 #include <KLocalizedString> 0042 0043 #include <QApplication> 0044 0045 //--------------------------------------------------------------------- 0046 0047 struct kpToolFloodFillPrivate 0048 { 0049 kpToolFloodFillCommand *currentCommand; 0050 }; 0051 0052 //--------------------------------------------------------------------- 0053 0054 kpToolFloodFill::kpToolFloodFill (kpToolEnvironment *environ, QObject *parent) 0055 : kpTool (i18n ("Flood Fill"), i18n ("Fills regions in the image"), 0056 Qt::Key_F, 0057 environ, parent, QStringLiteral("tool_flood_fill")), 0058 d (new kpToolFloodFillPrivate ()) 0059 { 0060 d->currentCommand = nullptr; 0061 } 0062 0063 //--------------------------------------------------------------------- 0064 0065 kpToolFloodFill::~kpToolFloodFill () 0066 { 0067 delete d; 0068 } 0069 0070 //--------------------------------------------------------------------- 0071 0072 // private 0073 QString kpToolFloodFill::haventBegunDrawUserMessage () const 0074 { 0075 return i18n ("Click to fill a region."); 0076 } 0077 0078 //--------------------------------------------------------------------- 0079 0080 // public virtual [base kpTool] 0081 void kpToolFloodFill::begin () 0082 { 0083 setUserMessage (haventBegunDrawUserMessage ()); 0084 } 0085 0086 //--------------------------------------------------------------------- 0087 0088 // public virtual [base kpTool] 0089 void kpToolFloodFill::beginDraw () 0090 { 0091 #if DEBUG_KP_TOOL_FLOOD_FILL && 1 0092 qCDebug(kpLogTools) << "kpToolFloodFill::beginDraw()"; 0093 #endif 0094 0095 QApplication::setOverrideCursor (Qt::WaitCursor); 0096 { 0097 environ ()->flashColorSimilarityToolBarItem (); 0098 0099 // Flood Fill is an expensive CPU operation so we only fill at a 0100 // mouse click (beginDraw ()), not on mouse move (virtually draw()) 0101 d->currentCommand = new kpToolFloodFillCommand ( 0102 currentPoint ().x (), currentPoint ().y (), 0103 color (mouseButton ()), processedColorSimilarity (), 0104 environ ()->commandEnvironment ()); 0105 0106 #if DEBUG_KP_TOOL_FLOOD_FILL && 1 0107 qCDebug(kpLogTools) << "\tperforming new-doc-corner-case check"; 0108 #endif 0109 0110 if (document ()->url ().isEmpty () && !document ()->isModified ()) 0111 { 0112 // Collect the colour that gets changed before we change the pixels 0113 // (execute() below). Needed in unexecute(). 0114 d->currentCommand->prepareColorToChange (); 0115 0116 d->currentCommand->setFillEntireImage (); 0117 } 0118 0119 d->currentCommand->execute (); 0120 } 0121 QApplication::restoreOverrideCursor (); 0122 0123 setUserMessage (cancelUserMessage ()); 0124 } 0125 0126 //--------------------------------------------------------------------- 0127 0128 // public virtual [base kpTool] 0129 void kpToolFloodFill::draw (const QPoint &thisPoint, const QPoint &, const QRect &) 0130 { 0131 setUserShapePoints (thisPoint); 0132 } 0133 0134 //--------------------------------------------------------------------- 0135 0136 // public virtual [base kpTool] 0137 void kpToolFloodFill::cancelShape () 0138 { 0139 d->currentCommand->unexecute (); 0140 0141 delete d->currentCommand; 0142 d->currentCommand = nullptr; 0143 0144 setUserMessage (i18n ("Let go of all the mouse buttons.")); 0145 } 0146 0147 //--------------------------------------------------------------------- 0148 0149 // public virtual [base kpTool] 0150 void kpToolFloodFill::releasedAllButtons () 0151 { 0152 setUserMessage (haventBegunDrawUserMessage ()); 0153 } 0154 0155 //--------------------------------------------------------------------- 0156 0157 // public virtual [base kpTool] 0158 void kpToolFloodFill::endDraw (const QPoint &, const QRect &) 0159 { 0160 environ ()->commandHistory ()->addCommand (d->currentCommand, 0161 false/*no exec - we already did it up there*/); 0162 0163 // Don't delete - it just got added to the history. 0164 d->currentCommand = nullptr; 0165 setUserMessage (haventBegunDrawUserMessage ()); 0166 } 0167 0168 //--------------------------------------------------------------------- 0169 0170 #include "moc_kpToolFloodFill.cpp"