1 files changed, 154 insertions, 0 deletions
diff --git a/chalk/core/tiles/kis_tiledvlineiterator.cc b/chalk/core/tiles/kis_tiledvlineiterator.cc
new file mode 100644
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--- /dev/null
+++ b/chalk/core/tiles/kis_tiledvlineiterator.cc
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+/*
+ * This file is part of the Chalk
+ *
+ * Copyright (c) 2004 Casper Boemann <cbr@boemann.dk>
+ *
+ *  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 <kdebug.h>
+
+#include "kis_tile_global.h"
+#include "kis_tilediterator.h"
+
+KisTiledVLineIterator::KisTiledVLineIterator( KisTiledDataManager *ndevice,  TQ_INT32 x,  TQ_INT32 y, TQ_INT32 h, bool writable) :
+    KisTiledIterator(ndevice),
+    m_bottom(y + h - 1)
+{
+    m_writable = writable;
+    m_top = y;
+    m_x = x;
+    m_y = y;
+
+    // Find tile row,col matching x,y
+    m_col = xToCol(m_x);
+    m_topRow = yToRow(m_y);
+    m_bottomRow = yToRow(m_bottom);
+    m_row = m_topRow;
+
+    // calc limits within the tile
+    m_xInTile = m_x - m_col * KisTile::WIDTH;
+    m_topInTile = m_y - m_topRow * KisTile::HEIGHT;
+
+    if(m_row == m_bottomRow)
+        m_bottomInTile = m_bottom - m_bottomRow * KisTile::HEIGHT;
+    else
+        m_bottomInTile = KisTile::HEIGHT - 1;
+
+    m_yInTile = m_topInTile;
+
+    fetchTileData(m_col, m_row);
+    m_offset = m_pixelSize * (m_yInTile * KisTile::WIDTH + m_xInTile);
+}
+
+KisTiledVLineIterator::KisTiledVLineIterator(const KisTiledVLineIterator& rhs)
+    : KisTiledIterator(rhs)
+{
+    if (this != &rhs) {
+        m_top = rhs.m_top;
+        m_bottom = rhs.m_bottom;
+        m_topRow = rhs.m_topRow;
+        m_bottomRow = rhs.m_bottomRow;
+        m_xInTile = rhs.m_xInTile;
+        m_yInTile = rhs.m_yInTile;
+        m_topInTile = rhs.m_topInTile;
+        m_bottomInTile = rhs.m_bottomInTile;
+    }
+}
+
+KisTiledVLineIterator& KisTiledVLineIterator::operator=(const KisTiledVLineIterator& rhs)
+{
+    if (this != &rhs) {
+        KisTiledIterator::operator=(rhs);
+
+        m_top = rhs.m_top;
+        m_bottom = rhs.m_bottom;
+        m_topRow = rhs.m_topRow;
+        m_bottomRow = rhs.m_bottomRow;
+        m_xInTile = rhs.m_xInTile;
+        m_yInTile = rhs.m_yInTile;
+        m_topInTile = rhs.m_topInTile;
+        m_bottomInTile = rhs.m_bottomInTile;
+    }
+    return *this;
+}
+
+KisTiledVLineIterator::~KisTiledVLineIterator( )
+{
+}
+
+KisTiledVLineIterator & KisTiledVLineIterator::operator ++ ()
+{
+    if(m_yInTile >= m_bottomInTile)
+    {
+        nextTile();
+        fetchTileData(m_col, m_row);
+        m_yInTile =m_topInTile;
+        m_offset = m_pixelSize * (m_yInTile * KisTile::WIDTH + m_xInTile);
+    }
+    else
+    {
+        m_yInTile++;
+        m_offset += m_pixelSize * KisTile::WIDTH;
+    }
+    m_y++;
+
+    return *this;
+}
+
+void KisTiledVLineIterator::nextTile()
+{
+    if(m_row < m_bottomRow)
+    {
+        m_row++;
+        m_topInTile = 0;
+
+        if(m_row == m_bottomRow)
+            m_bottomInTile = m_bottom - m_bottomRow * KisTile::HEIGHT;
+        else
+            m_bottomInTile = KisTile::HEIGHT - 1;
+    }
+}
+
+void KisTiledVLineIterator::nextCol()
+{
+    m_x++;
+    m_xInTile++;
+    m_y = m_top;
+    m_topInTile = m_y - m_topRow * KisTile::HEIGHT;
+    m_yInTile = m_topInTile;
+    if( m_xInTile >= KisTile::WIDTH )
+    { // Need a new row
+        m_xInTile = 0;
+        m_col++;
+        m_row = m_topRow;
+        fetchTileData(m_col, m_row);
+    } else if( m_topRow != m_row ) {
+        m_row = m_topRow;
+        fetchTileData(m_col, m_row);
+    }
+    if(m_row == m_bottomRow)
+        m_bottomInTile = m_bottom - m_bottomRow * KisTile::HEIGHT;
+    else
+        m_bottomInTile = KisTile::HEIGHT - 1;
+
+    m_offset = m_pixelSize * (m_yInTile * KisTile::WIDTH + m_xInTile);
+}
+
+/*
+KisTiledVLineIterator & KisTiledVLineIterator::operator -- ()
+{
+    return *this;
+}
+*/