Added new/real background image (in compliance with ESO copyright terms)

src/pulsaranimationwidget.cpp

@@ -144,7 +144,8 @@ void PulsarAnimationWidget::initializeGL()
 
     // load textures
     m_pulsarTexture = bindTexture(QImage(":/textures/resources/texture_pulsar.png"), GL_TEXTURE_2D, GL_RGBA);
-    m_backgroundTexture = bindTexture(QImage(":/textures/resources/texture_background.png"), GL_TEXTURE_2D, GL_RGBA);
+//    m_backgroundTexture = bindTexture(QImage(":/textures/resources/texture_background_simple.png"), GL_TEXTURE_2D, GL_RGBA);
+    m_backgroundTexture = bindTexture(QImage(":/textures/resources/texture_background_carina.jpg"), GL_TEXTURE_2D, GL_RGB);
 
     // use mipmapped textures
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);

src/pulsatingscience.cpp

@@ -167,6 +167,8 @@ void PulsatingScience::on_actionAbout_activated()
 			"<b>Pulsating Science</b><br>"
 			"International Year of Astronomy 2009<br><br>"
 			"Authors: Oliver Bock, Benjamin Knispel<br><br>"
+			"Background image: The Carina Nebula<br>"
+			"Courtesy of: ESO/IDA/Danish 1.5 m/R.Gendler, J-E. Ovaldsen, C. Th&ouml;ne and C. Feron<br><br>"
 			"Copyright &copy; 2009 "
 			"<a href=\"http://www.aei.mpg.de\">Max-Planck-Institut f&uuml;r Gravitationsphysik</a>");
 }

src/pulsatingscience.qrc

@@ -10,7 +10,8 @@
     <file>resources/aei-icon48.png</file>
   </qresource>
   <qresource prefix="textures" >
-    <file>resources/texture_background.png</file>
+    <file>resources/texture_background_carina.jpg</file>
+    <file>resources/texture_background_simple.png</file>
     <file>resources/texture_pulsar.png</file>
   </qresource>
 </RCC>