void DrawTagBlocks(Cairo.Context cr)
{
cr.SelectTagOverlayFont();
this.tagBlockSiteColumn.Draw(cr);
foreach (var column in this.tagBlockColumns)
{
column.Draw(cr);
}
}
void UpdateTagBlocks(Cairo.Context cr, Image image, double offsetY, double paddingBottom)
{
this.tagBlockColumns.Clear();
this.tagBlockSiteColumn.Clear();
if (image == null)
{
return;
}
cr.SelectTagOverlayFont();
var column = new TagBlockColumn(8.0);
foreach (string tag in image.Tags)
{
var tagBlock = new TagBlock(cr, tag);
tagBlock.Position.Y = offsetY;
if (tagBlock.IsSiteTag)
{
this.tagBlockSiteColumn.AddTagBlock(tagBlock);
}
else
{
if (tagBlock.Height + column.Height + offsetY > this.canvasSize.Y - paddingBottom)
{
if (column.Count == 0)
{
// height is too small to fit even a single item
break;
}
this.tagBlockColumns.Add(column);
column = new TagBlockColumn(column.OffsetX + column.Width);
}
column.AddTagBlock(tagBlock);
}
}
if (column.Count > 0)
{
this.tagBlockColumns.Add(column);
}
this.tagBlockSiteColumn.Move(this.canvasSize.X - 8);
}
void DrawInfoString(Cairo.Context cr, Image image)
{
cr.SelectTagOverlayFont();
cr.DrawStringAt(8, 8 + cr.FontExtents.Height, this.infoString, COLOR_BLACK, COLOR_IMAGE_INFO);
}