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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/kptoolfloodfill.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
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diff --git a/kolourpaint/tools/kptoolfloodfill.cpp b/kolourpaint/tools/kptoolfloodfill.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.
+*/
+
+
+#define DEBUG_KP_TOOL_FLOOD_FILL 0
+
+
+#include <kptoolfloodfill.h>
+
+#include <qapplication.h>
+#include <qcursor.h>
+#include <qpainter.h>
+#include <qpixmap.h>
+
+#include <kdebug.h>
+#include <klocale.h>
+
+#include <kpcommandhistory.h>
+#include <kpdefs.h>
+#include <kpdocument.h>
+#include <kpmainwindow.h>
+#include <kpview.h>
+#include <kpviewmanager.h>
+
+
+/*
+ * kpToolFloodFill
+ */
+
+kpToolFloodFill::kpToolFloodFill (kpMainWindow *mainWindow)
+ : kpTool (i18n ("Flood Fill"), i18n ("Fills regions in the image"),
+ Qt::Key_F,
+ mainWindow, "tool_flood_fill"),
+ m_currentCommand (0)
+{
+}
+
+kpToolFloodFill::~kpToolFloodFill ()
+{
+}
+
+QString kpToolFloodFill::haventBegunDrawUserMessage () const
+{
+ return i18n ("Click to fill a region.");
+}
+
+void kpToolFloodFill::begin ()
+{
+ setUserMessage (haventBegunDrawUserMessage ());
+}
+
+// virtual
+void kpToolFloodFill::beginDraw ()
+{
+#if DEBUG_KP_TOOL_FLOOD_FILL && 1
+ kdDebug () << "kpToolFloodFill::beginDraw()" << endl;
+#endif
+
+ QApplication::setOverrideCursor (Qt::waitCursor);
+
+ // Flood Fill is an expensive CPU operation so we only fill at a
+ // mouse click (beginDraw ()), not on mouse move (virtually draw())
+ m_currentCommand = new kpToolFloodFillCommand (m_currentPoint.x (), m_currentPoint.y (),
+ color (m_mouseButton), processedColorSimilarity (),
+ mainWindow ());
+
+ if (m_currentCommand->prepareColorToChange ())
+ {
+ #if DEBUG_KP_TOOL_FLOOD_FILL && 1
+ kdDebug () << "\tperforming new-doc-corner-case check" << endl;
+ #endif
+ if (document ()->url ().isEmpty () && !document ()->isModified ())
+ {
+ m_currentCommand->setFillEntirePixmap ();
+ m_currentCommand->execute ();
+ }
+ else if (m_currentCommand->prepare ())
+ {
+ m_currentCommand->execute ();
+ }
+ else
+ {
+ kdError () << "kpToolFloodFill::beginDraw() could not fill!" << endl;
+ }
+ }
+ else
+ {
+ kdError () << "kpToolFloodFill::beginDraw() could not prepareColorToChange!" << endl;
+ }
+
+ QApplication::restoreOverrideCursor ();
+
+ setUserMessage (cancelUserMessage ());
+}
+
+// virtual
+void kpToolFloodFill::draw (const QPoint &thisPoint, const QPoint &, const QRect &)
+{
+ setUserShapePoints (thisPoint);
+}
+
+// virtual
+void kpToolFloodFill::cancelShape ()
+{
+#if 0
+ endDraw (QPoint (), QRect ());
+ mainWindow ()->commandHistory ()->undo ();
+#else
+ m_currentCommand->unexecute ();
+
+ delete m_currentCommand;
+ m_currentCommand = 0;
+#endif
+
+ setUserMessage (i18n ("Let go of all the mouse buttons."));
+}
+
+void kpToolFloodFill::releasedAllButtons ()
+{
+ setUserMessage (haventBegunDrawUserMessage ());
+}
+
+// virtual
+void kpToolFloodFill::endDraw (const QPoint &, const QRect &)
+{
+ mainWindow ()->commandHistory ()->addCommand (m_currentCommand,
+ false /* no exec - we already did it up there */);
+
+ // don't delete
+ m_currentCommand = 0;
+ setUserMessage (haventBegunDrawUserMessage ());
+}
+
+
+/*
+ * kpToolFloodFillCommand
+ */
+
+kpToolFloodFillCommand::kpToolFloodFillCommand (int x, int y,
+ const kpColor &color, int processedColorSimilarity,
+ kpMainWindow *mainWindow)
+ : kpCommand (mainWindow),
+ kpFloodFill (document ()->pixmap (), x, y, color, processedColorSimilarity),
+ m_fillEntirePixmap (false)
+{
+}
+
+kpToolFloodFillCommand::~kpToolFloodFillCommand ()
+{
+}
+
+
+// public virtual [base kpCommand]
+QString kpToolFloodFillCommand::name () const
+{
+ return i18n ("Flood Fill");
+}
+
+// public virtual [base kpCommand]
+int kpToolFloodFillCommand::size () const
+{
+ return kpFloodFill::size () + kpPixmapFX::pixmapSize (m_oldPixmap);
+}
+
+
+void kpToolFloodFillCommand::setFillEntirePixmap (bool yes)
+{
+ m_fillEntirePixmap = yes;
+}
+
+
+// virtual
+void kpToolFloodFillCommand::execute ()
+{
+#if DEBUG_KP_TOOL_FLOOD_FILL && 1
+ kdDebug () << "kpToolFloodFillCommand::execute() m_fillEntirePixmap=" << m_fillEntirePixmap << endl;
+#endif
+
+ kpDocument *doc = document ();
+ if (!doc)
+ return;
+
+
+ if (m_fillEntirePixmap)
+ {
+ doc->fill (kpFloodFill::color ());
+ }
+ else
+ {
+ QRect rect = kpFloodFill::boundingRect ();
+ if (rect.isValid ())
+ {
+ QApplication::setOverrideCursor (QCursor::waitCursor);
+
+ m_oldPixmap = doc->getPixmapAt (rect);
+
+ kpFloodFill::fill ();
+ doc->slotContentsChanged (rect);
+
+ QApplication::restoreOverrideCursor ();
+ }
+ else
+ {
+ #if DEBUG_KP_TOOL_FLOOD_FILL && 1
+ kdDebug () << "\tinvalid boundingRect - must be NOP case" << endl;
+ #endif
+ }
+ }
+}
+
+// virtual
+void kpToolFloodFillCommand::unexecute ()
+{
+ kpDocument *doc = document ();
+ if (!doc)
+ return;
+
+
+ if (m_fillEntirePixmap)
+ {
+ doc->fill (kpFloodFill::colorToChange ());
+ }
+ else
+ {
+ QRect rect = kpFloodFill::boundingRect ();
+ if (rect.isValid ())
+ {
+ doc->setPixmapAt (m_oldPixmap, rect.topLeft ());
+
+ m_oldPixmap.resize (0, 0);
+
+ doc->slotContentsChanged (rect);
+ }
+ }
+}
+
+#include <kptoolfloodfill.moc>