private void RenderAnimation(Cairo.Context cr)
{
if (stage.Actor == null)
{
// We are not in a transition, just render
RenderStage(cr, current_track, current_image);
return;
}
if (current_track == null)
{
// Fade in the whole stage, nothing to fade out
CairoExtensions.PushGroup(cr);
RenderStage(cr, incoming_track, incoming_image);
CairoExtensions.PopGroupToSource(cr);
cr.PaintWithAlpha(stage.Actor.Percent);
return;
}
// XFade only the cover art
RenderCoverArt(cr, incoming_image);
CairoExtensions.PushGroup(cr);
RenderCoverArt(cr, current_image);
CairoExtensions.PopGroupToSource(cr);
cr.PaintWithAlpha(1.0 - stage.Actor.Percent);
// Fade in/out the text
bool same_artist_album = incoming_track != null?incoming_track.ArtistAlbumEqual(current_track) : false;
bool same_track = incoming_track != null?incoming_track.Equals(current_track) : false;
if (same_artist_album)
{
RenderTrackInfo(cr, incoming_track, same_track, true);
}
if (stage.Actor.Percent <= 0.5)
{
// Fade out old text
CairoExtensions.PushGroup(cr);
RenderTrackInfo(cr, current_track, !same_track, !same_artist_album);
CairoExtensions.PopGroupToSource(cr);
cr.PaintWithAlpha(1.0 - (stage.Actor.Percent * 2.0));
}
else
{
// Fade in new text
CairoExtensions.PushGroup(cr);
RenderTrackInfo(cr, incoming_track, !same_track, !same_artist_album);
CairoExtensions.PopGroupToSource(cr);
cr.PaintWithAlpha((stage.Actor.Percent - 0.5) * 2.0);
}
}
private void RenderAnimation(Cairo.Context cr)
{
if (stage.Actor == null)
{
// We are not in a transition, just render
RenderStage(cr, current_track, current_image);
return;
}
if (current_track == null)
{
// Fade in the whole stage, nothing to fade out
cr.PushGroup();
RenderStage(cr, incoming_track, incoming_image);
cr.PopGroupToSource();
cr.PaintWithAlpha(stage.Actor.Percent);
return;
}
// Draw the old cover art more and more translucent
cr.PushGroup();
RenderCoverArt(cr, current_image);
cr.PopGroupToSource();
cr.PaintWithAlpha(1.0 - stage.Actor.Percent);
// Draw the new cover art more and more opaque
cr.PushGroup();
RenderCoverArt(cr, incoming_image);
cr.PopGroupToSource();
cr.PaintWithAlpha(stage.Actor.Percent);
bool same_artist_album = incoming_track != null?incoming_track.ArtistAlbumEqual(current_track) : false;
bool same_track = incoming_track != null?incoming_track.Equals(current_track) : false;
if (same_artist_album)
{
RenderTrackInfo(cr, incoming_track, same_track, true);
}
// Don't xfade the text since it'll look bad (overlapping words); instead, fade
// the old out, and then the new in
if (stage.Actor.Percent <= 0.5)
{
// Fade out old text
cr.PushGroup();
RenderTrackInfo(cr, current_track, !same_track, !same_artist_album);
cr.PopGroupToSource();
cr.PaintWithAlpha(1.0 - (stage.Actor.Percent * 2.0));
}
else
{
// Fade in new text
cr.PushGroup();
RenderTrackInfo(cr, incoming_track, !same_track, !same_artist_album);
cr.PopGroupToSource();
cr.PaintWithAlpha((stage.Actor.Percent - 0.5) * 2.0);
}
}
