forked from openkylin/kolourpaint
170 lines
5.2 KiB
C++
170 lines
5.2 KiB
C++
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/*
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Copyright (c) 2003-2007 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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#define DEBUG_KP_TOOL_FLOOD_FILL 0
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#include "kpToolFloodFill.h"
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#include "commands/kpCommandHistory.h"
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#include "kpDefs.h"
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#include "document/kpDocument.h"
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#include "environments/tools/kpToolEnvironment.h"
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#include "commands/tools/kpToolFloodFillCommand.h"
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#include "kpLogCategories.h"
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#include <KLocalizedString>
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#include <QApplication>
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//---------------------------------------------------------------------
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struct kpToolFloodFillPrivate
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{
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kpToolFloodFillCommand *currentCommand;
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};
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//---------------------------------------------------------------------
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kpToolFloodFill::kpToolFloodFill (kpToolEnvironment *environ, QObject *parent)
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: kpTool (i18n ("Flood Fill"), i18n ("Fills regions in the image"),
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Qt::Key_F,
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environ, parent, QStringLiteral("tool_flood_fill")),
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d (new kpToolFloodFillPrivate ())
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{
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d->currentCommand = nullptr;
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}
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//---------------------------------------------------------------------
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kpToolFloodFill::~kpToolFloodFill ()
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{
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delete d;
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}
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//---------------------------------------------------------------------
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// private
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QString kpToolFloodFill::haventBegunDrawUserMessage () const
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{
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return i18n ("Click to fill a region.");
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}
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//---------------------------------------------------------------------
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// public virtual [base kpTool]
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void kpToolFloodFill::begin ()
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{
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setUserMessage (haventBegunDrawUserMessage ());
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}
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//---------------------------------------------------------------------
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// public virtual [base kpTool]
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void kpToolFloodFill::beginDraw ()
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{
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#if DEBUG_KP_TOOL_FLOOD_FILL && 1
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qCDebug(kpLogTools) << "kpToolFloodFill::beginDraw()";
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#endif
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QApplication::setOverrideCursor (Qt::WaitCursor);
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{
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environ ()->flashColorSimilarityToolBarItem ();
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// Flood Fill is an expensive CPU operation so we only fill at a
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// mouse click (beginDraw ()), not on mouse move (virtually draw())
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d->currentCommand = new kpToolFloodFillCommand (
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currentPoint ().x (), currentPoint ().y (),
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color (mouseButton ()), processedColorSimilarity (),
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environ ()->commandEnvironment ());
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#if DEBUG_KP_TOOL_FLOOD_FILL && 1
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qCDebug(kpLogTools) << "\tperforming new-doc-corner-case check";
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#endif
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if (document ()->url ().isEmpty () && !document ()->isModified ())
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{
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// Collect the colour that gets changed before we change the pixels
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// (execute() below). Needed in unexecute().
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d->currentCommand->prepareColorToChange ();
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d->currentCommand->setFillEntireImage ();
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}
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d->currentCommand->execute ();
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}
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QApplication::restoreOverrideCursor ();
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setUserMessage (cancelUserMessage ());
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}
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//---------------------------------------------------------------------
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// public virtual [base kpTool]
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void kpToolFloodFill::draw (const QPoint &thisPoint, const QPoint &, const QRect &)
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{
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setUserShapePoints (thisPoint);
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}
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//---------------------------------------------------------------------
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// public virtual [base kpTool]
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void kpToolFloodFill::cancelShape ()
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{
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d->currentCommand->unexecute ();
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delete d->currentCommand;
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d->currentCommand = nullptr;
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setUserMessage (i18n ("Let go of all the mouse buttons."));
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}
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//---------------------------------------------------------------------
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// public virtual [base kpTool]
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void kpToolFloodFill::releasedAllButtons ()
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{
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setUserMessage (haventBegunDrawUserMessage ());
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}
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//---------------------------------------------------------------------
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// public virtual [base kpTool]
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void kpToolFloodFill::endDraw (const QPoint &, const QRect &)
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{
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environ ()->commandHistory ()->addCommand (d->currentCommand,
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false/*no exec - we already did it up there*/);
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// Don't delete - it just got added to the history.
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d->currentCommand = nullptr;
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setUserMessage (haventBegunDrawUserMessage ());
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}
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//---------------------------------------------------------------------
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