Finish rebranding of Krita as Chalk

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/koffice@1238363 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 100 insertions, 0 deletions

diff --git a/chalk/core/kis_perspective_grid.cpp b/chalk/core/kis_perspective_grid.cpp
new file mode 100644
index 00000000..6eb5fbe8
--- /dev/null
+++ b/chalk/core/kis_perspective_grid.cpp
@@ -0,0 +1,100 @@
+/*
+ * This file is part of Chalk
+ *
+ *  Copyright (c) 2006 Cyrille Berger <cberger@cberger.net>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include "kis_perspective_grid.h"
+
+int KisSubPerspectiveGrid::s_lastIndex = 0;
+
+KisSubPerspectiveGrid::KisSubPerspectiveGrid(KisPerspectiveGridNodeSP topLeft, KisPerspectiveGridNodeSP topRight, KisPerspectiveGridNodeSP bottomRight, KisPerspectiveGridNodeSP bottomLeft) : m_topLeft(topLeft), m_topRight(topRight), m_bottomRight(bottomRight), m_bottomLeft(bottomLeft), m_subdivisions(5), m_leftGrid(0), m_rightGrid(0), m_topGrid(0), m_bottomGrid(0), m_index(++s_lastIndex)
+{
+    
+}
+
+bool KisSubPerspectiveGrid::tqcontains(const KisPoint p) const
+{
+    return true;
+    KisPerspectiveMath::LineEquation d1 = KisPerspectiveMath::computeLineEquation( topLeft(), topRight() );
+    kdDebug() << p.y() << " " << (p.x() * d1.a + d1.b) << endl;
+    if( p.y() >= p.x() * d1.a + d1.b)
+    {
+        d1 = KisPerspectiveMath::computeLineEquation( topRight(), bottomRight() );
+        kdDebug() << p.y() << " " << (p.x() * d1.a + d1.b) << endl;
+        if( p.y() >= p.x() * d1.a + d1.b)
+        {
+            d1 = KisPerspectiveMath::computeLineEquation( bottomRight(), bottomLeft() );
+            kdDebug() << p.y() << " " << (p.x() * d1.a + d1.b) << endl;
+            if( p.y() <= p.x() * d1.a + d1.b)
+            {
+                d1 = KisPerspectiveMath::computeLineEquation( bottomLeft(), topLeft() );
+                kdDebug() << p.y() << " " << (p.x() * d1.a + d1.b) << endl;
+                if( p.y() <= p.x() * d1.a + d1.b)
+                {
+                    return true;
+                }
+            }
+        }
+    }
+    return false;
+}
+
+
+KisPerspectiveGrid::KisPerspectiveGrid()
+{
+}
+
+
+KisPerspectiveGrid::~KisPerspectiveGrid()
+{
+    clearSubGrids( );
+}
+
+bool KisPerspectiveGrid::addNewSubGrid( KisSubPerspectiveGrid* ng )
+{
+    if(hasSubGrids() && !ng->topGrid() && !ng->bottomGrid() && !ng->leftGrid() && !ng->rightGrid() )
+    {
+        kdError() << "sub grids need a neighbourgh if they are not the first grid to be added" << endl;
+        return false;
+    }
+    m_subGrids.push_back(ng);
+    return true;
+}
+
+
+void KisPerspectiveGrid::clearSubGrids( )
+{
+    for( TQValueList<KisSubPerspectiveGrid*>::const_iterator it = begin(); it != end(); ++it)
+    {
+        delete *it;
+    }
+    m_subGrids.clear();
+}
+
+KisSubPerspectiveGrid* KisPerspectiveGrid::gridAt(KisPoint p)
+{
+    for( TQValueList<KisSubPerspectiveGrid*>::const_iterator it = begin(); it != end(); ++it)
+    {
+        if( (*it)->tqcontains(p) )
+        {
+            return *it;
+        }
+    }
+    return 0;
+}
+