2 * kdenlivetitle_wrapper.cpp -- kdenlivetitle wrapper
3 * Copyright (c) 2009 Marco Gittler <g.marco@freenet.de>
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 #include <QtGui/QImage>
21 #include <QtGui/QPainter>
22 #include <QtCore/QCoreApplication>
23 #include <QtGui/QApplication>
24 #include <QtCore/QDebug>
25 #include <QtCore/QFile>
26 #include <QtGui/QGraphicsView>
27 #include <QtGui/QGraphicsScene>
28 #include <QtGui/QGraphicsTextItem>
29 #include <QtGui/QGraphicsPolygonItem>
30 #include <QtGui/QTextCursor>
31 #include "kdenlivetitle_wrapper.h"
32 #include <framework/mlt_producer.h>
34 static Title* titleclass;
35 static QApplication *app;
39 void init_qt( const char* c )
41 titleclass=new Title( QString( c ) );
43 void refresh_kdenlivetitle( uint8_t* buffer, int width, int height , double position, char *templatexml, char *templatetext )
45 titleclass->drawKdenliveTitle( buffer, width, height, position, templatexml, templatetext );
48 Title::Title( const QString& filename ):m_filename( filename ),m_scene( NULL )
50 //must be extracted from kdenlive title
51 start =new QGraphicsPolygonItem( QPolygonF( QRectF( 100, 100, 600, 600 ) ) );
53 end=new QGraphicsPolygonItem( QPolygonF( QRectF( 0, 0, 300, 300 ) ) );
56 void Title::drawKdenliveTitle( uint8_t * buffer, int width, int height, double position, char *templatexml, char *templatetext )
63 if ( ! QApplication::activeWindow() )
65 app=new QApplication( argc,argv );
66 m_scene=new QGraphicsScene;
67 loadDocument( m_filename, start, end, QString( templatexml ), QString( templatetext ) );
69 //must be extracted from kdenlive title
71 QImage *img=new QImage( width,height,QImage::Format_ARGB32 );
73 QRectF rstart=start->boundingRect();
74 QRectF rend=end->boundingRect();
75 QPointF topleft=rstart.topLeft()+( rend.topLeft()-rstart.topLeft() )*position;
76 QPointF bottomRight=rstart.bottomRight()+( rend.bottomRight()-rstart.bottomRight() )*position;
79 p1.setRenderHints( QPainter::Antialiasing | QPainter::TextAntialiasing | QPainter::HighQualityAntialiasing );//|QPainter::SmoothPixmapTransform );
80 m_scene->render( &p1,QRect( 0,0,width,height ),QRectF( topleft,bottomRight ) );
82 uint8_t *pointer=img->bits();
83 QRgb* src = ( QRgb* ) pointer;
84 for ( int i=0;i<width*height*4;i+=4 )
86 *buffer++=qRed( *src );
87 *buffer++=qGreen( *src );
88 *buffer++=qBlue( *src );
89 *buffer++=qAlpha( *src );
94 int Title::loadDocument( const QString& url, QGraphicsPolygonItem* startv, QGraphicsPolygonItem* endv, const QString templateXml, const QString templateText )
99 if ( !templateXml.isEmpty() )
101 doc.setContent( templateXml );
106 if ( file.open( QIODevice::ReadOnly ) )
108 doc.setContent( &file, false );
112 return loadFromXml( doc, startv, endv, templateText );
115 int Title::loadFromXml( QDomDocument doc, QGraphicsPolygonItem* startv, QGraphicsPolygonItem* endv, const QString templateText )
117 QDomNodeList titles = doc.elementsByTagName( "kdenlivetitle" );
122 QDomNodeList items = titles.item( 0 ).childNodes();
123 for ( int i = 0; i < items.count(); i++ )
125 QGraphicsItem *gitem = NULL;
126 int zValue = items.item( i ).attributes().namedItem( "z-index" ).nodeValue().toInt();
127 if ( zValue > -1000 )
129 if ( items.item( i ).attributes().namedItem( "type" ).nodeValue() == "QGraphicsTextItem" )
131 QDomNamedNodeMap txtProperties = items.item( i ).namedItem( "content" ).attributes();
132 QFont font( txtProperties.namedItem( "font" ).nodeValue() );
133 font.setBold( txtProperties.namedItem( "font-bold" ).nodeValue().toInt() );
134 font.setItalic( txtProperties.namedItem( "font-italic" ).nodeValue().toInt() );
135 font.setUnderline( txtProperties.namedItem( "font-underline" ).nodeValue().toInt() );
136 // Older Kdenlive version did not store pixel size but point size
137 if ( txtProperties.namedItem( "font-pixel-size" ).isNull() )
140 f2.setPointSize( txtProperties.namedItem( "font-size" ).nodeValue().toInt() );
141 font.setPixelSize( QFontInfo( f2 ).pixelSize() );
144 font.setPixelSize( txtProperties.namedItem( "font-pixel-size" ).nodeValue().toInt() );
145 QColor col( stringToColor( txtProperties.namedItem( "font-color" ).nodeValue() ) );
146 QGraphicsTextItem *txt;
147 if ( !templateText.isEmpty() )
149 QString text = items.item( i ).namedItem( "content" ).firstChild().nodeValue();
150 text = text.replace( "%s", templateText );
151 txt = m_scene->addText( text, font );
153 else txt = m_scene->addText( items.item( i ).namedItem( "content" ).firstChild().nodeValue(), font );
154 txt->setDefaultTextColor( col );
155 txt->setTextInteractionFlags( Qt::NoTextInteraction );
156 if ( txtProperties.namedItem( "alignment" ).isNull() == false )
158 txt->setTextWidth( txt->boundingRect().width() );
159 QTextCursor cur = txt->textCursor();
160 QTextBlockFormat format = cur.blockFormat();
161 format.setAlignment(( Qt::Alignment ) txtProperties.namedItem( "alignment" ).nodeValue().toInt() );
162 cur.select( QTextCursor::Document );
163 cur.setBlockFormat( format );
164 txt->setTextCursor( cur );
165 cur.clearSelection();
166 txt->setTextCursor( cur );
169 if ( !txtProperties.namedItem( "kdenlive-axis-x-inverted" ).isNull() )
171 //txt->setData(OriginXLeft, txtProperties.namedItem("kdenlive-axis-x-inverted").nodeValue().toInt());
173 if ( !txtProperties.namedItem( "kdenlive-axis-y-inverted" ).isNull() )
175 //txt->setData(OriginYTop, txtProperties.namedItem("kdenlive-axis-y-inverted").nodeValue().toInt());
180 else if ( items.item( i ).attributes().namedItem( "type" ).nodeValue() == "QGraphicsRectItem" )
182 QString rect = items.item( i ).namedItem( "content" ).attributes().namedItem( "rect" ).nodeValue();
183 QString br_str = items.item( i ).namedItem( "content" ).attributes().namedItem( "brushcolor" ).nodeValue();
184 QString pen_str = items.item( i ).namedItem( "content" ).attributes().namedItem( "pencolor" ).nodeValue();
185 double penwidth = items.item( i ).namedItem( "content" ).attributes().namedItem( "penwidth" ).nodeValue().toDouble();
186 QGraphicsRectItem *rec = m_scene->addRect( stringToRect( rect ), QPen( QBrush( stringToColor( pen_str ) ), penwidth ), QBrush( stringToColor( br_str ) ) );
189 else if ( items.item( i ).attributes().namedItem( "type" ).nodeValue() == "QGraphicsPixmapItem" )
191 QString url = items.item( i ).namedItem( "content" ).attributes().namedItem( "url" ).nodeValue();
193 QGraphicsPixmapItem *rec = m_scene->addPixmap( pix );
194 rec->setData( Qt::UserRole, url );
197 else if ( items.item( i ).attributes().namedItem( "type" ).nodeValue() == "QGraphicsSvgItem" )
199 QString url = items.item( i ).namedItem( "content" ).attributes().namedItem( "url" ).nodeValue();
200 //QGraphicsSvgItem *rec = new QGraphicsSvgItem(url);
201 //m_scene->addItem(rec);
202 //rec->setData(Qt::UserRole, url);
209 QPointF p( items.item( i ).namedItem( "position" ).attributes().namedItem( "x" ).nodeValue().toDouble(),
210 items.item( i ).namedItem( "position" ).attributes().namedItem( "y" ).nodeValue().toDouble() );
212 gitem->setTransform( stringToTransform( items.item( i ).namedItem( "position" ).firstChild().firstChild().nodeValue() ) );
213 int zValue = items.item( i ).attributes().namedItem( "z-index" ).nodeValue().toInt();
214 if ( zValue > maxZValue ) maxZValue = zValue;
215 gitem->setZValue( zValue );
216 //gitem->setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
218 if ( items.item( i ).nodeName() == "background" )
220 QColor color = QColor( stringToColor( items.item( i ).attributes().namedItem( "color" ).nodeValue() ) );
221 //color.setAlpha(items.item(i).attributes().namedItem("alpha").nodeValue().toInt());
222 QList<QGraphicsItem *> items = m_scene->items();
223 for ( int i = 0; i < items.size(); i++ )
225 if ( items.at( i )->zValue() == -1100 )
227 (( QGraphicsRectItem * )items.at( i ) )->setBrush( QBrush( color ) );
232 else if ( items.item( i ).nodeName() == "startviewport" && startv )
234 QString rect = items.item( i ).attributes().namedItem( "rect" ).nodeValue();
235 startv->setPolygon( stringToRect( rect ) );
237 else if ( items.item( i ).nodeName() == "endviewport" && endv )
239 QString rect = items.item( i ).attributes().namedItem( "rect" ).nodeValue();
240 endv->setPolygon( stringToRect( rect ) );
247 QString Title::colorToString( const QColor& c )
249 QString ret = "%1,%2,%3,%4";
250 ret = ret.arg( c.red() ).arg( c.green() ).arg( c.blue() ).arg( c.alpha() );
254 QString Title::rectFToString( const QRectF& c )
256 QString ret = "%1,%2,%3,%4";
257 ret = ret.arg( c.top() ).arg( c.left() ).arg( c.width() ).arg( c.height() );
261 QRectF Title::stringToRect( const QString & s )
264 QStringList l = s.split( ',' );
267 return QRectF( l.at( 0 ).toDouble(), l.at( 1 ).toDouble(), l.at( 2 ).toDouble(), l.at( 3 ).toDouble() ).normalized();
270 QColor Title::stringToColor( const QString & s )
272 QStringList l = s.split( ',' );
275 return QColor( l.at( 0 ).toInt(), l.at( 1 ).toInt(), l.at( 2 ).toInt(), l.at( 3 ).toInt() );
278 QTransform Title::stringToTransform( const QString& s )
280 QStringList l = s.split( ',' );
284 l.at( 0 ).toDouble(), l.at( 1 ).toDouble(), l.at( 2 ).toDouble(),
285 l.at( 3 ).toDouble(), l.at( 4 ).toDouble(), l.at( 5 ).toDouble(),
286 l.at( 6 ).toDouble(), l.at( 7 ).toDouble(), l.at( 8 ).toDouble()