public override void Render(CellContext context, StateType state, double cellWidth, double cellHeight)
{
if (BoundObject == null)
{
return;
}
if (!(BoundObject is AlbumInfo))
{
throw new InvalidCastException("ColumnCellAlbum can only bind to AlbumInfo objects");
}
AlbumInfo album = (AlbumInfo)BoundObject;
bool is_default = false;
ImageSurface image = artwork_manager == null ? null
: artwork_manager.LookupScaleSurface(album.ArtworkId, image_size, true);
if (image == null)
{
image = default_cover_image;
is_default = true;
}
// int image_render_size = is_default ? image.Height : (int)cellHeight - 8;
int image_render_size = image_size;
int x = image_spacing;
int y = ((int)cellHeight - image_render_size) / 2;
ArtworkRenderer.RenderThumbnail(context.Context, image, false, x, y,
image_render_size, image_render_size, !is_default, context.Theme.Context.Radius);
int fl_width = 0, fl_height = 0, sl_width = 0, sl_height = 0;
Cairo.Color text_color = context.Theme.Colors.GetWidgetColor(GtkColorClass.Text, state);
text_color.A = 0.75;
Pango.Layout layout = context.Layout;
layout.Width = (int)((cellWidth - cellHeight - x - 10) * Pango.Scale.PangoScale);
layout.Ellipsize = Pango.EllipsizeMode.End;
layout.FontDescription.Weight = Pango.Weight.Bold;
// Compute the layout sizes for both lines for centering on the cell
int old_size = layout.FontDescription.Size;
layout.SetText(album.DisplayTitle);
layout.GetPixelSize(out fl_width, out fl_height);
if (!String.IsNullOrEmpty(album.ArtistName))
{
layout.FontDescription.Weight = Pango.Weight.Normal;
layout.FontDescription.Size = (int)(old_size * Pango.Scale.Small);
layout.FontDescription.Style = Pango.Style.Italic;
layout.SetText(album.ArtistName);
layout.GetPixelSize(out sl_width, out sl_height);
}
// Calculate the layout positioning
x = ((int)cellHeight - x) + 10;
y = (int)((cellHeight - (fl_height + sl_height)) / 2);
// Render the second line first since we have that state already
if (!String.IsNullOrEmpty(album.ArtistName))
{
context.Context.MoveTo(x, y + fl_height);
context.Context.Color = text_color;
PangoCairoHelper.ShowLayout(context.Context, layout);
}
// Render the first line, resetting the state
layout.SetText(album.DisplayTitle);
layout.FontDescription.Weight = Pango.Weight.Bold;
layout.FontDescription.Size = old_size;
layout.FontDescription.Style = Pango.Style.Normal;
layout.SetText(album.DisplayTitle);
context.Context.MoveTo(x, y);
text_color.A = 1;
context.Context.Color = text_color;
PangoCairoHelper.ShowLayout(context.Context, layout);
}