Added old abandoned KDE3 version of koffice

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/koffice@1077364 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 213 insertions, 0 deletions

diff --git a/krita/core/tiles/kis_tiledhlineiterator.cc b/krita/core/tiles/kis_tiledhlineiterator.cc
new file mode 100644
index 00000000..37a1195e
--- /dev/null
+++ b/krita/core/tiles/kis_tiledhlineiterator.cc
@@ -0,0 +1,213 @@
+/*
+ * This file is part of the KDE project
+ *
+ * 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"
+
+KisTiledHLineIterator::KisTiledHLineIterator( KisTiledDataManager *ndevice,  Q_INT32 x, Q_INT32 y, Q_INT32 w, bool writable) :
+    KisTiledIterator(ndevice),
+    m_right(x+w-1), m_left(x)
+{
+    Q_ASSERT(ndevice != 0);
+
+    m_writable = writable;
+    m_x = x;
+    m_y = y;
+
+    // Find tile row,col matching x,y
+    m_row = yToRow(m_y);
+    m_leftCol = xToCol(m_x);
+    m_rightCol = xToCol(m_right);
+    m_col = m_leftCol;
+
+    // calc limits within the tile
+    m_yInTile = m_y - m_row * KisTile::HEIGHT;
+    m_leftInTile = m_x - m_leftCol * KisTile::WIDTH;
+
+    if(m_col == m_rightCol)
+        m_rightInTile = m_right - m_rightCol * KisTile::WIDTH;
+    else
+        m_rightInTile = KisTile::WIDTH - 1;
+
+    m_xInTile = m_leftInTile;
+
+    fetchTileData(m_col, m_row);
+    m_offset = m_pixelSize * (m_yInTile * KisTile::WIDTH + m_xInTile);
+}
+
+KisTiledHLineIterator::KisTiledHLineIterator(const KisTiledHLineIterator& rhs)
+    : KisTiledIterator(rhs)
+{
+    if (this != &rhs) {
+        m_right = rhs.m_right;
+        m_left = rhs.m_left;
+        m_leftCol = rhs.m_leftCol;
+        m_rightCol = rhs.m_rightCol;
+        m_xInTile = rhs.m_xInTile;
+        m_yInTile = rhs.m_yInTile;
+        m_leftInTile = rhs.m_leftInTile;
+        m_rightInTile = rhs.m_rightInTile;
+    }
+}
+
+KisTiledHLineIterator& KisTiledHLineIterator::operator=(const KisTiledHLineIterator& rhs)
+{
+    if (this != &rhs) {
+        KisTiledIterator::operator=(rhs);
+        m_right = rhs.m_right;
+        m_left = rhs.m_left;
+        m_leftCol = rhs.m_leftCol;
+        m_rightCol = rhs.m_rightCol;
+        m_xInTile = rhs.m_xInTile;
+        m_yInTile = rhs.m_yInTile;
+        m_leftInTile = rhs.m_leftInTile;
+        m_rightInTile = rhs.m_rightInTile;
+    }
+    return *this;
+}
+
+KisTiledHLineIterator::~KisTiledHLineIterator( )
+{
+}
+
+KisTiledHLineIterator & KisTiledHLineIterator::operator ++ ()
+{
+    if(m_xInTile >= m_rightInTile)
+    {
+        nextTile();
+        fetchTileData(m_col, m_row);
+        m_xInTile =m_leftInTile;
+        m_offset = m_pixelSize * (m_yInTile * KisTile::WIDTH + m_xInTile);
+    }
+    else
+    {
+        m_xInTile++;
+        m_offset += m_pixelSize;
+    }
+    m_x++;
+
+    return *this;
+}
+
+void KisTiledHLineIterator::nextTile()
+{
+    if(m_col < m_rightCol)
+    {
+        m_col++;
+        m_leftInTile = 0;
+
+        if(m_col == m_rightCol)
+            m_rightInTile = m_right - m_rightCol * KisTile::WIDTH;
+        else
+            m_rightInTile = KisTile::WIDTH - 1;
+    }
+}
+
+void KisTiledHLineIterator::prevTile()
+{
+    if(m_col > m_leftCol)
+    {
+        m_col--;
+
+        if(m_col == m_leftCol) {
+            m_leftInTile = m_left - m_leftCol * KisTile::WIDTH;
+        } else {
+            m_leftInTile = 0;
+        }
+        // the only place this doesn't apply, is if we're in rightCol, and we can't go there
+        m_rightInTile = KisTile::WIDTH - 1;
+    }
+}
+
+Q_INT32 KisTiledHLineIterator::nConseqHPixels() const
+{
+    return m_rightInTile - m_xInTile + 1;
+}
+
+KisTiledHLineIterator & KisTiledHLineIterator::operator+=(int n)
+{
+    // XXX what if outside the valid range of this iterator?
+    if(m_xInTile + n > m_rightInTile)
+    {
+        m_x += n;
+        m_col = xToCol(m_x);
+        m_xInTile = m_x - m_col * KisTile::WIDTH;
+        m_leftInTile = 0;
+
+        if(m_col == m_rightCol)
+            m_rightInTile = m_right - m_rightCol * KisTile::WIDTH;
+        else
+            m_rightInTile = KisTile::WIDTH - 1;
+
+        fetchTileData(m_col, m_row);
+    }
+    else
+    {
+        m_xInTile += n;
+        m_x += n;
+    }
+    m_offset = m_pixelSize * (m_yInTile * KisTile::WIDTH + m_xInTile);
+
+    return *this;
+}
+
+KisTiledHLineIterator & KisTiledHLineIterator::operator -- ()
+{
+    if(m_xInTile <= 0)
+    {
+        prevTile();
+        fetchTileData(m_col, m_row);
+        m_xInTile = KisTile::WIDTH - 1;
+        m_offset = m_pixelSize * (m_yInTile * KisTile::WIDTH + m_xInTile);
+    }
+    else
+    {
+        m_xInTile--;
+        m_offset -= m_pixelSize;
+    }
+    m_x--;
+
+    return *this;
+}
+
+void KisTiledHLineIterator::nextRow()
+{
+    m_y++;
+    m_yInTile++;
+    m_x = m_left;
+    m_leftInTile = m_x - m_leftCol * KisTile::WIDTH;
+    m_xInTile = m_leftInTile;
+    if( m_yInTile >= KisTile::HEIGHT )
+    { // Need a new row
+        m_yInTile = 0;
+        m_row++;
+        m_col = m_leftCol;
+        fetchTileData(m_col, m_row);
+    } else if( m_leftCol != m_col ) {
+        m_col = m_leftCol;
+        fetchTileData(m_col, m_row);
+    }
+    if(m_col == m_rightCol)
+        m_rightInTile = m_right - m_rightCol * KisTile::WIDTH;
+    else
+        m_rightInTile = KisTile::WIDTH - 1;
+    m_offset = m_pixelSize * (m_yInTile * KisTile::WIDTH + m_xInTile);
+}