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Diffstat (limited to 'karbon/core/vpattern.cc')
| -rw-r--r-- | karbon/core/vpattern.cc | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/karbon/core/vpattern.cc b/karbon/core/vpattern.cc new file mode 100644 index 00000000..9929a1b9 --- /dev/null +++ b/karbon/core/vpattern.cc @@ -0,0 +1,140 @@ +/* This file is part of the KDE project + Copyright (C) 2002, The Karbon Developers + + 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 <qdom.h> + +#include "vpattern.h" +#include <qpixmap.h> +#define THUMB_SIZE 30 + +VPattern::VPattern() +{ + m_valid = false; + validThumb = false; +} + +VPattern::VPattern( const QString &tilename ) +{ + load( tilename ); +} + +void +VPattern::load( const QString &tilename ) +{ + m_tilename = tilename; + bool ok = m_image.load( tilename ); + + if( !ok ) + { + m_valid = false; + return; + } + + m_image = m_image.convertDepth( 32 ); + m_pixmap.convertFromImage(m_image, QPixmap::AutoColor); + if( m_image.width() > THUMB_SIZE || m_image.height() > THUMB_SIZE ) + { + int xsize = THUMB_SIZE; + int ysize = THUMB_SIZE; + int picW = m_image.width(); + int picH = m_image.height(); + if( picW > picH ) + { + float yFactor = (float)((float)(float)picH/(float)picW); + ysize = (int)(yFactor * (float)THUMB_SIZE); + if(ysize > 30) ysize = 30; + } + else if( picW < picH ) + { + float xFactor = (float)((float)picW/(float)picH); + xsize = (int)(xFactor * (float)THUMB_SIZE); + if(xsize > 30) xsize = 30; + } + + QImage thumbImg = m_image.smoothScale( xsize, ysize ); + m_pixmapThumb.convertFromImage( thumbImg ); + validThumb = true; + } + m_valid = !m_image.isNull(); +} + +unsigned char * +VPattern::pixels() +{ + return m_image.bits(); +} + +unsigned int +VPattern::tileWidth() const +{ + return m_image.width(); +} + +unsigned int +VPattern::tileHeight() const +{ + return m_image.height(); +} + +void +VPattern::save( QDomElement& element ) const +{ + QDomElement me = element.ownerDocument().createElement( "PATTERN" ); + + me.setAttribute( "originX", m_origin.x() ); + me.setAttribute( "originY", m_origin.y() ); + me.setAttribute( "vectorX", m_vector.x() ); + me.setAttribute( "vectorY", m_vector.y() ); + + me.setAttribute( "tilename", m_tilename ); + + element.appendChild( me ); +} + +void +VPattern::load( const QDomElement& element ) +{ + m_origin.setX( element.attribute( "originX", "0.0" ).toDouble() ); + m_origin.setY( element.attribute( "originY", "0.0" ).toDouble() ); + m_vector.setX( element.attribute( "vectorX", "0.0" ).toDouble() ); + m_vector.setY( element.attribute( "vectorY", "0.0" ).toDouble() ); + + m_tilename = element.attribute( "tilename" ); + load( m_tilename ); +} + +void +VPattern::transform( const QWMatrix &m ) +{ + m_origin = m_origin.transform( m ); + m_vector = m_vector.transform( m ); +} + +QPixmap& VPattern::pixmap() const +{ + return (QPixmap&)m_pixmap; +} + +QPixmap& VPattern::thumbPixmap() const +{ + return (QPixmap&)m_pixmapThumb; +} + + + |