ruglory
332afaa867
git-svn-id: https://svn.code.sf.net/p/qlscribe/svn/trunk@61 cac9541e-1b8d-4bfa-827e-589bba606050
119 lines
4.0 KiB
C++
119 lines
4.0 KiB
C++
/* qlscribe - Qt based application to print lightScribe discs
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Copyright (C) 2009 Vyacheslav Kononenko <vyacheslav@kononenko.net>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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$Id$ */
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#include "qlightpixmapitem.h"
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#include "qdialogpixmap.h"
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#include "qcdscene.h"
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#include <QXmlStreamWriter>
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#include <QXmlStreamReader>
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QLightPixmapItem::QLightPixmapItem()
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{
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}
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QVariant QLightPixmapItem::itemChange( GraphicsItemChange change, const QVariant & value )
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{
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if( scene() && change == ItemPositionHasChanged )
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static_cast<QCDScene *>( scene() )->setChanged();
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return value;
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}
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RegisterController< QShapeControllerPixmap > regControllerPixmap;
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QString QShapeControllerPixmap::name() const
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{
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return "image";
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}
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QString QShapeControllerPixmap::menuName() const
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{
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return QObject::tr( "Image", "QShapeControllerPixmap name" );
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}
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QGraphicsItem *QShapeControllerPixmap::create() const
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{
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QGraphicsPixmapItem *item = new QLightPixmapItem;
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item->setShapeMode( QGraphicsPixmapItem::BoundingRectShape );
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item->setTransformationMode( Qt::SmoothTransformation );
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return item;
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}
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QItemDialog *QShapeControllerPixmap::createDialog( QWidget *parent ) const
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{
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return new QDialogPixmap( parent );
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}
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void QShapeControllerPixmap::writeData( QXmlStreamWriter &writer, const QGraphicsItem *item ) const
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{
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const QGraphicsPixmapItem *pixmapItem
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= static_cast< const QGraphicsPixmapItem * >( item );
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writer.writeEmptyElement( "pos" );
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writer.writeAttribute( QXmlStreamAttribute( "x", QString::number( pixmapItem->pos().x() ) ) );
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writer.writeAttribute( QXmlStreamAttribute( "y", QString::number( pixmapItem->pos().y() ) ) );
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writer.writeAttribute( QXmlStreamAttribute( "z", QString::number( pixmapItem->zValue() ) ) );
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QPointF scale = pixmapItem->transform().map( QPointF( 1.0, 1.0 ) );
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writer.writeEmptyElement( "scale" );
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writer.writeAttribute(
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QXmlStreamAttribute( "sx", QString::number( scale.x() ) ) );
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writer.writeAttribute(
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QXmlStreamAttribute( "sy", QString::number( scale.y() ) ) );
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writer.writeTextElement( "image", pixmapItem->data( 0 ).toString() );
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}
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void QShapeControllerPixmap::readData( const QString &element,
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const QXmlStreamAttributes &attrs,
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const QString &data,
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QGraphicsItem *item ) const
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{
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QGraphicsPixmapItem *pixmapItem = static_cast< QGraphicsPixmapItem * >( item );
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if( element == "pos" ) {
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pixmapItem->setPos( attrs.value( "x" ).toString().toDouble(),
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attrs.value( "y" ).toString().toDouble() );
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pixmapItem->setZValue( attrs.value( "z" ).toString().toDouble() );
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return;
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}
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if( element == "scale" ) {
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pixmapItem->setTransform( QTransform().scale( attrs.value( "sx" ).toString().toDouble(),
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attrs.value( "sy" ).toString().toDouble() ) );
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}
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if( element == "image" ) {
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pixmapItem->setData( 0, data );
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QPixmap pixmap( data );
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if( pixmap.isNull() ) {
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throw QString( "QShapeControllerPixmap: image loading from \"" ) +
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data + "\" failed";
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}
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pixmapItem->setPixmap( pixmap );
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pixmapItem->setOffset( -QPointF( pixmap.size().height(), pixmap.size().width() ) / 2.0 );
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return;
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}
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}
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