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/QGraphicsScene>
27 #include <QtGui/QGraphicsTextItem>
28 #include <QtGui/QGraphicsPolygonItem>
29 #include <QtGui/QTextCursor>
30 #include "kdenlivetitle_wrapper.h"
31 #include <framework/mlt_producer.h>
33 static Title* titleclass;
34 static QApplication *app;
38 void init_qt( const char* c )
40 titleclass=new Title( QString( c ) );
42 void refresh_kdenlivetitle( uint8_t* buffer, int width, int height , double position, char *templatexml, char *templatetext, int force_refresh )
44 if (force_refresh) titleclass->reloadXml(templatexml, templatetext);
45 titleclass->drawKdenliveTitle( buffer, width, height, position, templatexml, templatetext );
49 Title::Title( const QString& filename ):m_filename( filename ), sceneLoaded( false )
51 //must be extracted from kdenlive title
52 /*m_start( QPolygonF( QRectF( 100, 100, 600, 600 ) ) );
53 m_end( QPolygonF( QRectF( 0, 0, 300, 300 ) ) );*/
56 void Title::reloadXml(char *templatexml, char *templatetext)
58 loadDocument( m_filename, QString( templatexml ), QString( templatetext ) );
61 void Title::drawKdenliveTitle( uint8_t * buffer, int width, int height, double position, char *templatexml, char *templatetext )
68 if ( ! QApplication::activeWindow() )
70 app=new QApplication( argc,argv );
71 loadDocument( m_filename, QString( templatexml ), QString( templatetext ) );
73 //must be extracted from kdenlive title
75 QImage *img=new QImage( width,height,QImage::Format_ARGB32 );
79 p1.setRenderHints( QPainter::Antialiasing | QPainter::TextAntialiasing | QPainter::HighQualityAntialiasing );//|QPainter::SmoothPixmapTransform );
81 if (m_start.polygon().isEmpty() && m_end.polygon().isEmpty()) {
82 m_scene.render( &p1,QRect( 0, 0, width, height ) );
85 QRectF rstart=m_start.boundingRect();
86 QRectF rend=m_end.boundingRect();
87 QPointF topleft=rstart.topLeft()+( rend.topLeft()-rstart.topLeft() )*position;
88 QPointF bottomRight=rstart.bottomRight()+( rend.bottomRight()-rstart.bottomRight() )*position;
89 m_scene.render( &p1,QRect( 0,0,width,height ),QRectF( topleft,bottomRight ) );
92 uint8_t *pointer=img->bits();
93 QRgb* src = ( QRgb* ) pointer;
94 for ( int i=0;i<width*height*4;i+=4 )
96 *buffer++=qRed( *src );
97 *buffer++=qGreen( *src );
98 *buffer++=qBlue( *src );
99 *buffer++=qAlpha( *src );
105 int Title::loadDocument( const QString& url, const QString templateXml, const QString templateText )
109 if ( !templateXml.isEmpty() )
111 doc.setContent( templateXml );
116 if ( file.open( QIODevice::ReadOnly ) )
118 doc.setContent( &file, false );
122 return loadFromXml( doc, templateText );
125 int Title::loadFromXml( QDomDocument doc, const QString templateText )
128 QDomNodeList titles = doc.elementsByTagName( "kdenlivetitle" );
133 QDomNodeList items = titles.item( 0 ).childNodes();
134 for ( int i = 0; i < items.count(); i++ )
136 QGraphicsItem *gitem = NULL;
137 int zValue = items.item( i ).attributes().namedItem( "z-index" ).nodeValue().toInt();
138 if ( zValue > -1000 )
140 if ( items.item( i ).attributes().namedItem( "type" ).nodeValue() == "QGraphicsTextItem" )
142 QDomNamedNodeMap txtProperties = items.item( i ).namedItem( "content" ).attributes();
143 QFont font( txtProperties.namedItem( "font" ).nodeValue() );
144 font.setBold( txtProperties.namedItem( "font-bold" ).nodeValue().toInt() );
145 font.setItalic( txtProperties.namedItem( "font-italic" ).nodeValue().toInt() );
146 font.setUnderline( txtProperties.namedItem( "font-underline" ).nodeValue().toInt() );
147 // Older Kdenlive version did not store pixel size but point size
148 if ( txtProperties.namedItem( "font-pixel-size" ).isNull() )
151 f2.setPointSize( txtProperties.namedItem( "font-size" ).nodeValue().toInt() );
152 font.setPixelSize( QFontInfo( f2 ).pixelSize() );
155 font.setPixelSize( txtProperties.namedItem( "font-pixel-size" ).nodeValue().toInt() );
156 QColor col( stringToColor( txtProperties.namedItem( "font-color" ).nodeValue() ) );
157 QGraphicsTextItem *txt;
158 if ( !templateText.isEmpty() )
160 QString text = items.item( i ).namedItem( "content" ).firstChild().nodeValue();
161 text = text.replace( "%s", templateText );
162 txt = m_scene.addText( text, font );
164 else txt = m_scene.addText( items.item( i ).namedItem( "content" ).firstChild().nodeValue(), font );
165 txt->setDefaultTextColor( col );
166 txt->setTextInteractionFlags( Qt::NoTextInteraction );
167 if ( txtProperties.namedItem( "alignment" ).isNull() == false )
169 txt->setTextWidth( txt->boundingRect().width() );
170 QTextCursor cur = txt->textCursor();
171 QTextBlockFormat format = cur.blockFormat();
172 format.setAlignment(( Qt::Alignment ) txtProperties.namedItem( "alignment" ).nodeValue().toInt() );
173 cur.select( QTextCursor::Document );
174 cur.setBlockFormat( format );
175 txt->setTextCursor( cur );
176 cur.clearSelection();
177 txt->setTextCursor( cur );
180 if ( !txtProperties.namedItem( "kdenlive-axis-x-inverted" ).isNull() )
182 //txt->setData(OriginXLeft, txtProperties.namedItem("kdenlive-axis-x-inverted").nodeValue().toInt());
184 if ( !txtProperties.namedItem( "kdenlive-axis-y-inverted" ).isNull() )
186 //txt->setData(OriginYTop, txtProperties.namedItem("kdenlive-axis-y-inverted").nodeValue().toInt());
191 else if ( items.item( i ).attributes().namedItem( "type" ).nodeValue() == "QGraphicsRectItem" )
193 QString rect = items.item( i ).namedItem( "content" ).attributes().namedItem( "rect" ).nodeValue();
194 QString br_str = items.item( i ).namedItem( "content" ).attributes().namedItem( "brushcolor" ).nodeValue();
195 QString pen_str = items.item( i ).namedItem( "content" ).attributes().namedItem( "pencolor" ).nodeValue();
196 double penwidth = items.item( i ).namedItem( "content" ).attributes().namedItem( "penwidth" ).nodeValue().toDouble();
197 QGraphicsRectItem *rec = m_scene.addRect( stringToRect( rect ), QPen( QBrush( stringToColor( pen_str ) ), penwidth ), QBrush( stringToColor( br_str ) ) );
200 else if ( items.item( i ).attributes().namedItem( "type" ).nodeValue() == "QGraphicsPixmapItem" )
202 QString url = items.item( i ).namedItem( "content" ).attributes().namedItem( "url" ).nodeValue();
204 QGraphicsPixmapItem *rec = m_scene.addPixmap( pix );
205 rec->setData( Qt::UserRole, url );
208 else if ( items.item( i ).attributes().namedItem( "type" ).nodeValue() == "QGraphicsSvgItem" )
210 QString url = items.item( i ).namedItem( "content" ).attributes().namedItem( "url" ).nodeValue();
211 //QGraphicsSvgItem *rec = new QGraphicsSvgItem(url);
212 //m_scene.addItem(rec);
213 //rec->setData(Qt::UserRole, url);
220 QPointF p( items.item( i ).namedItem( "position" ).attributes().namedItem( "x" ).nodeValue().toDouble(),
221 items.item( i ).namedItem( "position" ).attributes().namedItem( "y" ).nodeValue().toDouble() );
223 gitem->setTransform( stringToTransform( items.item( i ).namedItem( "position" ).firstChild().firstChild().nodeValue() ) );
224 int zValue = items.item( i ).attributes().namedItem( "z-index" ).nodeValue().toInt();
225 if ( zValue > maxZValue ) maxZValue = zValue;
226 gitem->setZValue( zValue );
227 //gitem->setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
229 if ( items.item( i ).nodeName() == "background" )
231 QColor color = QColor( stringToColor( items.item( i ).attributes().namedItem( "color" ).nodeValue() ) );
232 //color.setAlpha(items.item(i).attributes().namedItem("alpha").nodeValue().toInt());
233 QList<QGraphicsItem *> items = m_scene.items();
234 for ( int i = 0; i < items.size(); i++ )
236 if ( items.at( i )->zValue() == -1100 )
238 (( QGraphicsRectItem * )items.at( i ) )->setBrush( QBrush( color ) );
243 else if ( items.item( i ).nodeName() == "startviewport" )
245 QString rect = items.item( i ).attributes().namedItem( "rect" ).nodeValue();
246 m_start.setPolygon( stringToRect( rect ) );
248 else if ( items.item( i ).nodeName() == "endviewport" )
250 QString rect = items.item( i ).attributes().namedItem( "rect" ).nodeValue();
251 m_end.setPolygon( stringToRect( rect ) );
258 QString Title::colorToString( const QColor& c )
260 QString ret = "%1,%2,%3,%4";
261 ret = ret.arg( c.red() ).arg( c.green() ).arg( c.blue() ).arg( c.alpha() );
265 QString Title::rectFToString( const QRectF& c )
267 QString ret = "%1,%2,%3,%4";
268 ret = ret.arg( c.top() ).arg( c.left() ).arg( c.width() ).arg( c.height() );
272 QRectF Title::stringToRect( const QString & s )
275 QStringList l = s.split( ',' );
278 return QRectF( l.at( 0 ).toDouble(), l.at( 1 ).toDouble(), l.at( 2 ).toDouble(), l.at( 3 ).toDouble() ).normalized();
281 QColor Title::stringToColor( const QString & s )
283 QStringList l = s.split( ',' );
286 return QColor( l.at( 0 ).toInt(), l.at( 1 ).toInt(), l.at( 2 ).toInt(), l.at( 3 ).toInt() );
289 QTransform Title::stringToTransform( const QString& s )
291 QStringList l = s.split( ',' );
295 l.at( 0 ).toDouble(), l.at( 1 ).toDouble(), l.at( 2 ).toDouble(),
296 l.at( 3 ).toDouble(), l.at( 4 ).toDouble(), l.at( 5 ).toDouble(),
297 l.at( 6 ).toDouble(), l.at( 7 ).toDouble(), l.at( 8 ).toDouble()