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Diffstat (limited to 'karbon/commands/vtransformcmd.cpp')
| -rw-r--r-- | karbon/commands/vtransformcmd.cpp | 491 |
1 files changed, 491 insertions, 0 deletions
diff --git a/karbon/commands/vtransformcmd.cpp b/karbon/commands/vtransformcmd.cpp new file mode 100644 index 000000000..ebcb443ed --- /dev/null +++ b/karbon/commands/vtransformcmd.cpp @@ -0,0 +1,491 @@ +/* This file is doc of the KDE project + Copyright (C) 2001, 2002, 2003 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 <tdelocale.h> + +#include "vcomposite.h" +#include "vpath.h" +#include "vsegment.h" +#include "vselection.h" +#include "vtext.h" +#include "vimage.h" +#include "vtransformcmd.h" +#include "vstroke.h" +#include "vfill.h" +#include "vdocument.h" + +#include <kdebug.h> + +VTransformCmd::VTransformCmd( VDocument *doc, const TQWMatrix& mat, bool duplicate ) + : VCommand( doc, i18n( "Transform Objects" ) ), m_mat( mat ), m_duplicate( duplicate ) +{ + m_selection = ( document() && document()->selection() ) + ? document()->selection()->clone() + : new VSelection(); + + if( m_duplicate ) + { + if( !m_selection || m_selection->objects().count() == 1 ) + setName( i18n( "Duplicate Object" ) ); + else + setName( i18n( "Duplicate Objects" ) ); + } + else if( !m_selection || m_selection->objects().count() == 1 ) + setName( i18n( "Transform Object" ) ); +} + +VTransformCmd::VTransformCmd( VDocument *doc, const TQString& name, const TQString& icon, bool duplicate ) + : VCommand( doc, name, icon ), m_duplicate( duplicate ) +{ + m_selection = ( document() && document()->selection() ) + ? document()->selection()->clone() + : new VSelection(); + + if( m_duplicate ) + { + if( !m_selection || m_selection->objects().count() == 1 ) + setName( i18n( "Duplicate Object" ) ); + else + setName( i18n( "Duplicate Objects" ) ); + } +} + +VTransformCmd::~VTransformCmd() +{ + delete( m_selection ); + m_selection = 0L; +} + +void +VTransformCmd::execute() +{ + VObjectListIterator itr( m_selection->objects() ); + + if( m_duplicate ) + { + // clone original objects, add duplicates to document, transform and select them + VObject *copy = 0L; + for( ; itr.current() ; ++itr ) + { + copy = itr.current()->clone(); + visit( *copy ); + document()->append( copy ); + document()->selection()->take( *itr.current() ); + document()->selection()->append( copy ); + m_duplicates.append( copy ); + } + } + else + { + // clear selection ... + document()->selection()->clear(); + // transform objects + for( ; itr.current() ; ++itr ) + { + visit( *itr.current() ); + } + // ... and re-add all objects incase we are re-executing the command + document()->selection()->append( m_selection->objects() ); + } + + setSuccess( true ); +} + +void +VTransformCmd::unexecute() +{ + // inverting the matrix should undo the affine transformation + m_mat = m_mat.invert(); + + if( m_duplicate ) + { + // remove duplicated objects + VObjectListIterator itr( m_duplicates ); + for( ; itr.current() ; ++itr ) + { + document()->selection()->take( *itr.current() ); + itr.current()->setState( VObject::deleted ); + } + VObjectListIterator jtr( m_selection->objects() ); + + // add original selection objects to new selection + for( ; jtr.current() ; ++jtr ) + { + document()->selection()->append( jtr.current() ); + } + } + else + { + document()->selection()->clear(); + // move objects back to original position + visit( *m_selection ); + document()->selection()->append( m_selection->objects() ); + } + // reset + m_mat = m_mat.invert(); + setSuccess( false ); +} + +void +VTransformCmd::visitVObject( VObject& object ) +{ + // Apply transformation to gradients. + VStroke* stroke = object.stroke(); + if( stroke && stroke->type() == VStroke::grad ) + stroke->gradient().transform( m_mat ); + else if( stroke && stroke->type() == VStroke::patt ) + stroke->pattern().transform( m_mat ); + + VFill* fill = object.fill(); + if( fill && fill->type() == VFill::grad ) + fill->gradient().transform( m_mat ); + else if( fill && fill->type() == VFill::patt ) + fill->pattern().transform( m_mat ); +} + +void +VTransformCmd::visitVPath( VPath& composite ) +{ + if( composite.state() == VObject::hidden || + composite.state() == VObject::normal_locked || + composite.state() == VObject::hidden_locked ) + return; + + visitVObject( composite ); + + composite.transform( m_mat ); + + VVisitor::visitVPath( composite ); +} + +void +VTransformCmd::visitVSubpath( VSubpath& path ) +{ + if( path.state() == VObject::hidden || + path.state() == VObject::normal_locked || + path.state() == VObject::hidden_locked ) + return; + + VSegment* segment = path.first(); + + while( segment ) + { + for( unsigned short i = 0; i < segment->degree(); ++i ) + { + segment->setPoint( i, segment->point( i ).transform( m_mat ) ); + } + + segment = segment->next(); + } + + path.invalidateBoundingBox(); +} + +void +VTransformCmd::visitVText( VText& text ) +{ + if( text.state() == VObject::hidden || + text.state() == VObject::normal_locked || + text.state() == VObject::hidden_locked ) + return; + + visitVObject( text ); + + visit( text.basePath() ); + + VPathListIterator itr( text.glyphs() ); + + for( ; itr.current() ; ++itr ) + { + visit( *itr.current() ); + } + + text.invalidateBoundingBox(); +} + +void +VTransformCmd::visitVImage( VImage &img ) +{ + if( img.state() == VObject::hidden || + img.state() == VObject::normal_locked || + img.state() == VObject::hidden_locked ) + return; + + img.transform( m_mat ); +} + +VTranslateCmd::VTranslateCmd( VDocument *doc, double d1, double d2, bool duplicate ) + : VTransformCmd( doc, i18n( "Translate Objects" ), "translate", duplicate ) +{ + if( !duplicate && ( !m_selection || m_selection->objects().count() == 1 ) ) + setName( i18n( "Translate Object" ) ); + + m_mat.translate( d1, d2 ); +} + + +VScaleCmd::VScaleCmd( VDocument *doc, const KoPoint& p, double s1, double s2, bool duplicate ) + : VTransformCmd( doc, i18n( "Scale Objects" ), "14_select", duplicate ) +{ + if( !duplicate && ( !m_selection || m_selection->objects().count() == 1 ) ) + setName( i18n( "Scale Object" ) ); + + m_mat.translate( p.x(), p.y() ); + m_mat.scale( s1, s2 ); + m_mat.translate( -p.x(), -p.y() ); +} + + +VShearCmd::VShearCmd( VDocument *doc, const KoPoint& p, double s1, double s2, bool duplicate ) + : VTransformCmd( doc, i18n( "Shear Objects" ), "14_shear", duplicate ) +{ + if( !duplicate && ( !m_selection || m_selection->objects().count() == 1 ) ) + setName( i18n( "Shear Object" ) ); + + m_mat.translate( p.x(), p.y() ); + m_mat.shear( s1, s2 ); + m_mat.translate( -p.x(), -p.y() ); +} + +VRotateCmd::VRotateCmd( VDocument *doc, const KoPoint& p, double angle, bool duplicate ) + : VTransformCmd( doc, i18n( "Rotate Objects" ), "14_rotate", duplicate ) +{ + if( !duplicate && ( !m_selection || m_selection->objects().count() == 1 ) ) + setName( i18n( "Rotate Object" ) ); + + m_mat.translate( p.x(), p.y() ); + m_mat.rotate( angle ); + m_mat.translate( -p.x(), -p.y() ); +} + +VTranslateBezierCmd::VTranslateBezierCmd( VDocument *doc, VSegment *segment, double d1, double d2, bool firstControl ) + : VCommand( doc, i18n( "Translate Bezier" ) ), m_segment( segment ), m_firstControl( firstControl ) + , m_subpath(0L) +{ + m_mat.translate( d1, d2 ); + m_segmenttwo = 0L; + + if( document() && document()->selection() ) + { + VObjectListIterator itr( document()->selection()->objects() ); + + // find subpath containing the segment + for( ; itr.current() ; ++itr ) + visit( *itr.current() ); + } +} + +VTranslateBezierCmd::~VTranslateBezierCmd() +{ +} + +void +VTranslateBezierCmd::execute() +{ + if( m_segment->degree() == 3 ) + { + TQWMatrix m2( m_mat.m11(), m_mat.m12(), m_mat.m21(), m_mat.m22(), -m_mat.dx(), -m_mat.dy() ); + if( m_firstControl ) + { + if( m_segment->prev() && + m_segment->prev()->degree() == 3 && + m_segment->prev()->isSmooth() ) + { + m_segmenttwo = m_segment->prev(); + for( uint i = 0;i < m_segmenttwo->degree();i++ ) + { + m_segmenttwo->selectPoint( i, i == 1 ); + + if( i == 1 ) + m_segmenttwo->setPoint( i, m_segmenttwo->point( i ).transform( m2 ) ); + } + } + } + else + { + m_segmenttwo = ( m_segment->isSmooth() && m_segment->next()->degree() == 3 ) ? m_segment->next() : 0L; + if( m_segmenttwo ) + { + for( uint i = 0;i < m_segmenttwo->degree();i++ ) + { + m_segmenttwo->selectPoint( i, i == 0 ); + + if( i == 0 ) + m_segmenttwo->setPoint( i, m_segmenttwo->point( i ).transform( m2 ) ); + } + } + } + + for( uint i = 0;i < m_segment->degree();i++ ) + { + m_segment->selectPoint( i, i == uint( m_firstControl ? 0 : 1 ) ); + + if( i == uint( m_firstControl ? 0 : 1 ) ) + m_segment->setPoint( i, m_segment->point( i ).transform( m_mat ) ); + } + } + + if( m_subpath ) + m_subpath->invalidateBoundingBox(); + + setSuccess( true ); +} + +void +VTranslateBezierCmd::unexecute() +{ + TQWMatrix m2( m_mat.m11(), m_mat.m12(), m_mat.m21(), m_mat.m22(), -m_mat.dx(), -m_mat.dy() ); + if( m_segment ) + { + for( uint i = 0;i < m_segment->degree();i++ ) + { + m_segment->selectPoint( i, i == uint( m_firstControl ? 0 : 1 ) ); + + if( i == uint( m_firstControl ? 0 : 1 ) ) + m_segment->setPoint( i, m_segment->point( i ).transform( m_mat.invert() ) ); + } + + if( m_segmenttwo ) + { + uint index = m_firstControl ? 1 : 0; + for( uint i = 0;i < m_segmenttwo->degree();i++ ) + { + m_segmenttwo->selectPoint( i, i == index ); + + if( i == index ) + m_segmenttwo->setPoint( i, m_segmenttwo->point( i ).transform( m2.invert() ) ); + } + } + } + setSuccess( false ); +} + +void +VTranslateBezierCmd::visitVSubpath( VSubpath& path ) +{ + if( m_subpath ) + return; + + VSegment* segment = path.first(); + + // check all segments of the path + while( segment ) + { + if( segment == m_segment ) + { + m_subpath = &path; + break; + } + segment = segment->next(); + } +} + +VTranslatePointCmd::VTranslatePointCmd( VDocument *doc, double d1, double d2 ) + : VCommand( doc, i18n( "Translate Points" ), "translate" ) +{ + m_mat.translate( d1, d2 ); + + if( document() && document()->selection() ) + { + VObjectListIterator itr( document()->selection()->objects() ); + + // collect all points to translate + for( ; itr.current() ; ++itr ) + visit( *itr.current() ); + + if( m_segPnts.size() > 1 || ( m_segPnts.size() == 0 && m_segPnts.begin().data().size() > 1 ) ) + setName( i18n( "Translate Point" ) ); + } +} + +VTranslatePointCmd::~VTranslatePointCmd() +{ +} + +void +VTranslatePointCmd::execute() +{ + translatePoints(); + setSuccess( true ); +} + +void +VTranslatePointCmd::unexecute() +{ + m_mat = m_mat.invert(); + translatePoints(); + m_mat = m_mat.invert(); + setSuccess( false ); +} + +void +VTranslatePointCmd::visitVSubpath( VSubpath& path ) +{ + if( path.state() == VObject::hidden || + path.state() == VObject::normal_locked || + path.state() == VObject::hidden_locked ) + return; + + VSegment* segment = path.first(); + + uint segCnt = m_segPnts.size(); + + // save indices of selected points for all segments + while( segment ) + { + TQValueVector<int> pnts; + + for( unsigned short i = 0; i < segment->degree(); ++i ) + { + if( segment->pointIsSelected( i ) ) + pnts.push_back( i ); + } + if( pnts.size() ) + m_segPnts[segment] = pnts; + + segment = segment->next(); + } + + // save subpaths which have selected points + if( segCnt != m_segPnts.size() ) + m_subpaths.append( &path ); +} + +void +VTranslatePointCmd::translatePoints() +{ + TQMap<VSegment*, TQValueVector<int> >::iterator it, et = m_segPnts.end(); + + // iterate over the segments and transform all selected points + for( it = m_segPnts.begin(); it != et; ++it ) + { + VSegment *segment = it.key(); + TQValueVector<int> &pnts = it.data(); + + int pntCnt = pnts.size(); + for( int i = 0; i < pntCnt; ++i ) + segment->setPoint( pnts[i], segment->point( pnts[i] ).transform( m_mat ) ); + } + + // invalidate all changed subpaths + VObjectListIterator itr( m_subpaths ); + for( ; itr.current(); ++itr ) + itr.current()->invalidateBoundingBox(); +} |