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/* This file is part of the KDE libraries
Copyright (C) 2000 Carsten Pfeiffer <pfeiffer@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "kpixmapsplitter.h"
KPixmapSplitter::KPixmapSplitter()
: m_itemSize( 4, 7 ),
m_vSpacing( 0 ),
m_hSpacing( 0 ),
m_numCols( 0 ),
m_numRows( 0 ),
m_dirty( false )
{
}
KPixmapSplitter::~KPixmapSplitter()
{
}
void KPixmapSplitter::setPixmap( const QPixmap& pixmap )
{
m_pixmap = pixmap;
m_dirty = true;
}
void KPixmapSplitter::setItemSize( const QSize& size )
{
if ( size != m_itemSize ) {
m_itemSize = size;
m_dirty = true;
}
}
void KPixmapSplitter::setVSpacing( int spacing )
{
if ( spacing != m_vSpacing ) {
m_vSpacing = spacing;
m_dirty = true;
}
}
void KPixmapSplitter::setHSpacing( int spacing )
{
if ( spacing != m_hSpacing ) {
m_hSpacing = spacing;
m_dirty = true;
}
}
QRect KPixmapSplitter::coordinates( int pos )
{
if ( pos < 0 || m_pixmap.isNull() )
return QRect();
if ( m_dirty ) {
m_numCols = m_pixmap.width() / ( m_itemSize.width() + m_hSpacing );
m_numRows = m_pixmap.height() / ( m_itemSize.height() + m_vSpacing );
m_dirty = false;
// qDebug("cols: %i, rows: %i (pixmap: %i, %i)", m_numCols, m_numRows, m_pixmap.width(), m_pixmap.height());
}
if ( m_numCols == 0 || m_numRows == 0 )
return QRect();
int row = pos / m_numCols;
int col = pos - (row * m_numCols);
return QRect( col * (m_itemSize.width() + m_hSpacing),
row * (m_itemSize.height() + m_vSpacing),
m_itemSize.width(),
m_itemSize.height() );
}
QRect KPixmapSplitter::coordinates( const QChar& ch )
{
return coordinates( (unsigned char) ch.latin1() );
}
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