public Coordinate GetFromOperated(List <CommentInformation> operatedComments, CommentInformation currentComment,
double videoDuration, double commentDuration, double time, ICanvas canvas, RelativeValue fontHeight)
{
var canvasWidth = canvas.CanvasWidth;
var vpos1 = GetActualVpos(currentComment.Content.Vpos, videoDuration, commentDuration);
var y = Math.Max(0, currentComment.LastY.GetActual(canvas));
var firstCollision = true;
var currentWidth = currentComment.Size.Width.GetActual(canvas);
for (int i = 0; i < operatedComments.Count; i++)
{
var operatedComment = operatedComments[i];
var vpos2 = GetActualVpos(operatedComment.Content.Vpos, videoDuration, commentDuration);
var operatedWidth = operatedComment.Size.Width.GetActual(canvas);
var a = GetPositionX(vpos1, vpos2 / 100.0 + commentDuration, currentWidth, canvasWidth, commentDuration);
var b = GetPositionX(vpos2, vpos1 / 100.0, operatedWidth, canvasWidth, commentDuration) + operatedWidth;
var c = GetPositionX(vpos2, vpos1 / 100.0 + commentDuration, operatedWidth, canvasWidth, commentDuration);
var d = GetPositionX(vpos1, vpos2 / 100.0, currentWidth, canvasWidth, commentDuration) + currentWidth;
if (
CheckY(y, operatedComment.LastY.GetActual(canvas), fontHeight.GetActual(canvas)) &&
(!(((b < canvasWidth) && (0 < a) && (vpos2 <= vpos1)) || ((c < canvasWidth) && (0 < d) && (vpos1 < vpos2))))
)
{
i = -1;
if (firstCollision)
{
firstCollision = false;
y = 0;
}
else
{
y += fontHeight.GetActual(canvas);
}
}
}
var x = GetPositionX(vpos1, time, currentWidth, canvasWidth, commentDuration);
return(new Coordinate(x, y));
}
public void Draw(ICanvas canvas, IVideo video)
{
canvas.Init();
var time = video.CurrentSecond;
var RangesTop = new List <Range>();
var RangesBottom = new List <Range>();
double commentDuration = this.CommentDuration;
var operatedComments = new List <CommentInformation>();
foreach (var comment in Comments)
{
canvas.FontKind = FontKind.Default;
var vpos = GetActualVpos(comment.Content.Vpos, video.Duration, commentDuration);
if (time - commentDuration >= vpos / 100.0 || vpos / 100.0 >= time)
{
continue;
}
var mails = comment.Content.Mail.Split(' ');
if (ContainsCommand(mails, "invisible"))
{
continue;
}
if (!comment.FontSize.Unset)
{
}
else if (ContainsCommand(mails, "small"))
{
comment.FontSize = FontSizeSmall;
}
else if (ContainsCommand(mails, "big"))
{
comment.FontSize = FontSizeBig;
}
else
{
comment.FontSize = FontSizeDefault;
}
canvas.FontSize = comment.FontSize.GetActual(canvas);
var fontSizeActual = comment.FontSize.GetActual(canvas);
if (ContainsCommand(mails, "mincho"))
{
canvas.FontKind = FontKind.Mincho;
}
else if (ContainsCommand(mails, "gothic"))
{
canvas.FontKind = FontKind.Gothic;
}
else
{
canvas.FontKind = FontKind.Default;
}
var r = new Coordinate();
var commentSize = new Size();
if (!comment.Size.Width.Unset)
{
commentSize = new Size(comment.Size.Width.GetActual(canvas), comment.Size.Height.GetActual(canvas));
}
else
{
commentSize = canvas.MeasureText(comment.Content);
comment.Size = new RelativeSquare(commentSize.Width, commentSize.Height, canvas);
}
if (ContainsCommand(mails, "ue") || ContainsCommand(mails, "shita"))
{
if (commentSize.Width > canvas.CanvasWidth + 1)
{
comment.FontSize *= canvas.CanvasWidth / commentSize.Width;
comment.FontSize.Relative = Math.Max(comment.FontSize.Relative, GetRelativeSize(1, canvas));
canvas.FontSize = comment.FontSize.GetActual(canvas);
fontSizeActual = comment.FontSize.GetActual(canvas);
commentSize = canvas.MeasureText(comment.Content);
comment.Size = new RelativeSquare(commentSize.Width, commentSize.Height, canvas);
}
}
bool overFlow = false;
if (ContainsCommand(mails, "ue"))
{
r = new Coordinate(canvas.CanvasWidth / 2.0 - commentSize.Width / 2.0, Math.Max(0, comment.LastY.GetActual(canvas)));
var changed = false;
while (!CheckRanges(RangesTop, new Range(r.Y, r.Y + fontSizeActual)))
{
r.Y += fontSizeActual;
changed = true;
}
if (changed)
{
foreach (var range in RangesTop)
{
if (range.B < r.Y && CheckRanges(RangesTop, new Range(range.B, range.B + fontSizeActual)))
{
r.Y = range.B;
}
}
}
canvas.Baseline = Baseline.Top;
comment.LastY = new RelativeValue(r.Y, canvas);
RangesTop.Add(new Range(r.Y, r.Y + fontSizeActual));
overFlow = FixOverflow(ref r.Y, canvas.CanvasHeight, canvas);
}
else if (ContainsCommand(mails, "shita"))
{
r = new Coordinate(canvas.CanvasWidth / 2.0 - commentSize.Width / 2.0, Math.Max(0, comment.LastY.GetActual(canvas)));
var changed = false;
while (!CheckRanges(RangesBottom, new Range(r.Y, r.Y + fontSizeActual)))
{
r.Y += fontSizeActual;
changed = true;
}
if (changed)
{
foreach (var range in RangesBottom)
{
if (range.B < r.Y && CheckRanges(RangesBottom, new Range(range.B, range.B + fontSizeActual)))
{
r.Y = range.B;
}
}
}
canvas.Baseline = Baseline.Bottom;
comment.LastY = new RelativeValue(r.Y, canvas);
RangesBottom.Add(new Range(r.Y, r.Y + fontSizeActual));
overFlow = FixOverflow(ref r.Y, canvas.CanvasHeight, canvas);
r.Y = canvas.CanvasHeight - r.Y;
}
else
{
r = GetFromOperated(operatedComments, comment, video.Duration, commentDuration, time, canvas, FontSizeDefault);
comment.LastY = new RelativeValue(r.Y, canvas);
canvas.Baseline = Baseline.Middle;
overFlow = FixOverflow(ref r.Y, canvas.CanvasHeight, canvas);
r.Y += FontSizeDefault.GetActual(canvas) / 2.0;
operatedComments.Add(comment);
}
var color = GetColorFromMail(comment.Content.Mail);
canvas.FillText(comment.Content, r, color, overFlow);
}
canvas.Done();
}
