protected override bool OnDrawn(Cairo.Context cr)
{
if (!CairoHelper.ShouldDrawWindow(cr, Window))
{
return(base.OnDrawn(cr));
}
if (reflect)
{
cr.PushGroup();
}
cr.Operator = Operator.Over;
cr.Translate(h_padding, 0);
cr.Rectangle(0, 0, Allocation.Width - h_padding, Math.Max(2 * bar_height,
bar_height + bar_label_spacing + layout_height));
cr.Clip();
using (var bar = RenderBar(Allocation.Width - 2 * h_padding, bar_height)) {
cr.Save();
cr.SetSource(bar);
cr.Paint();
cr.Restore();
if (reflect)
{
cr.Save();
cr.Rectangle(0, bar_height, Allocation.Width - h_padding, bar_height);
cr.Clip();
Matrix matrix = new Matrix();
matrix.InitScale(1, -1);
matrix.Translate(0, -(2 * bar_height) + 1);
cr.Transform(matrix);
cr.SetSource(bar);
using (var mask = new LinearGradient(0, 0, 0, bar_height)) {
mask.AddColorStop(0.25, new Color(0, 0, 0, 0));
mask.AddColorStop(0.5, new Color(0, 0, 0, 0.125));
mask.AddColorStop(0.75, new Color(0, 0, 0, 0.4));
mask.AddColorStop(1.0, new Color(0, 0, 0, 0.7));
cr.Mask(mask);
}
cr.Restore();
cr.PopGroupToSource();
cr.Paint();
}
if (show_labels)
{
cr.Translate((reflect ? 0 : -h_padding) + (Allocation.Width - layout_width) / 2,
bar_height + bar_label_spacing);
RenderLabels(cr);
}
}
return(true);
}
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);
}
}
protected override void ClippedRender(Context cr)
{
if (!EnsureLayout ()) {
return;
}
Brush foreground = Foreground;
if (!foreground.IsValid) {
return;
}
cr.Rectangle (0, 0, RenderSize.Width, RenderSize.Height);
cr.Clip ();
bool fade = text_alloc.Width > RenderSize.Width;
if (fade) {
cr.PushGroup ();
}
cr.MoveTo (text_alloc.X, text_alloc.Y);
Foreground.Apply (cr);
Pango.CairoHelper.ShowLayout (cr, layout);
cr.Fill ();
if (fade) {
LinearGradient mask = new LinearGradient (RenderSize.Width - 20, 0, RenderSize.Width, 0);
mask.AddColorStop (0, new Color (0, 0, 0, 1));
mask.AddColorStop (1, new Color (0, 0, 0, 0));
cr.PopGroupToSource ();
cr.Mask (mask);
mask.Destroy ();
}
cr.ResetClip ();
}
