Add feature to dynamically replace text in a block

[mlt] / src / modules / qimage / kdenlivetitle_wrapper.cpp

diff --git a/src/modules/qimage/kdenlivetitle_wrapper.cpp b/src/modules/qimage/kdenlivetitle_wrapper.cpp
index 3c9f5a808b2b21124e569a63f0fdbf1acb04115c..0e7d4f41a338a87e223fad7e2a2e7eaf8e4e60fc 100644 (file)
--- a/src/modules/qimage/kdenlivetitle_wrapper.cpp
+++ b/src/modules/qimage/kdenlivetitle_wrapper.cpp
@@ -40,9 +40,9 @@ extern "C"
        {
                titleclass=new Title( QString( c ) );
        }
-       void refresh_kdenlivetitle( uint8_t* buffer, int width, int height , double position )
+       void refresh_kdenlivetitle( uint8_t* buffer, int width, int height , double position, char *templatexml, char *templatetext  )
        {
-               titleclass->drawKdenliveTitle( buffer,width,height,position );
+               titleclass->drawKdenliveTitle( buffer, width, height, position, templatexml, templatetext );
        }
 }
 Title::Title( const QString& filename ):m_filename( filename ),m_scene( NULL )
@@ -53,7 +53,7 @@ Title::Title( const QString& filename ):m_filename( filename ),m_scene( NULL )
        end=new QGraphicsPolygonItem( QPolygonF( QRectF( 0, 0, 300, 300 ) ) );
        ;
 }
-void Title::drawKdenliveTitle( uint8_t * buffer ,int width,int height,double position )
+void Title::drawKdenliveTitle( uint8_t * buffer, int width, int height, double position, char *templatexml, char *templatetext )
 {
        if ( !m_scene )
        {
@@ -64,7 +64,7 @@ void Title::drawKdenliveTitle( uint8_t * buffer ,int width,int height,double pos
                        //if (!app)
                        app=new QApplication( argc,argv );
                m_scene=new QGraphicsScene;
-               loadDocument( m_filename,start,end );
+               loadDocument( m_filename, start, end, QString(templatexml), QString(templatetext) );
        }
        //must be extracted from kdenlive title
 
@@ -91,21 +91,26 @@ void Title::drawKdenliveTitle( uint8_t * buffer ,int width,int height,double pos
        }
        delete img;
 }
-int Title::loadDocument( const QString& url, QGraphicsPolygonItem* startv, QGraphicsPolygonItem* endv )
+int Title::loadDocument( const QString& url, QGraphicsPolygonItem* startv, QGraphicsPolygonItem* endv, const QString templateXml, const QString templateText )
 {
        QDomDocument doc;
        if ( !m_scene )
                return -1;
-
-       QFile file( url );
-       if ( file.open( QIODevice::ReadOnly ) )
-       {
-               doc.setContent( &file, false );
-               file.close();
+       if (!templateXml.isEmpty()) {
+               doc.setContent(templateXml);
        }
-       return loadFromXml( doc, startv, endv );
+       else {
+               QFile file( url );
+               if ( file.open( QIODevice::ReadOnly ) )
+               {
+                       doc.setContent( &file, false );
+                       file.close();
+               }
+       }
+       return loadFromXml( doc, startv, endv, templateText );
 }
-int Title::loadFromXml( QDomDocument doc, QGraphicsPolygonItem* startv, QGraphicsPolygonItem* endv )
+
+int Title::loadFromXml( QDomDocument doc, QGraphicsPolygonItem* startv, QGraphicsPolygonItem* endv, const QString templateText )
 {
        QDomNodeList titles = doc.elementsByTagName( "kdenlivetitle" );
        int maxZValue = 0;
@@ -136,7 +141,13 @@ int Title::loadFromXml( QDomDocument doc, QGraphicsPolygonItem* startv, QGraphic
                                        else
                                                font.setPixelSize( txtProperties.namedItem( "font-pixel-size" ).nodeValue().toInt() );
                                        QColor col( stringToColor( txtProperties.namedItem( "font-color" ).nodeValue() ) );
-                                       QGraphicsTextItem *txt = m_scene->addText( items.item( i ).namedItem( "content" ).firstChild().nodeValue(), font );
+                                       QGraphicsTextItem *txt;
+                                       if (!templateText.isEmpty()) {
+                                               QString text = items.item(i).namedItem("content").firstChild().nodeValue();
+                                               text = text.replace("%s", templateText);
+                                               txt = m_scene->addText(text, font);
+                                       }
+                                       else txt = m_scene->addText( items.item( i ).namedItem( "content" ).firstChild().nodeValue(), font );
                                        txt->setDefaultTextColor( col );
                                        txt->setTextInteractionFlags( Qt::NoTextInteraction );
                                        if ( txtProperties.namedItem( "alignment" ).isNull() == false )