/* #endregion Public Static Fields */
/* #region Private Methods */
private IViewport GetViewport()
{
var uspan = UVWavHelpers.GetUSpan(this.StartMs, this.EndMs);
var viewport = new Viewport()
{
Left = uspan.Value, Width = uspan.Width, Top = 0, Height = uspan.Width
};
return(viewport);
}
protected override void OnRender(DrawingContext drawingContext)
{
base.OnRender(drawingContext);
drawingContext.DrawRectangle(new SolidColorBrush(Color.FromArgb(1, 0, 0, 0)), (Pen)null, new Rect(0, 0, this.ActualWidth, this.ActualHeight));
if (!this.CursorMs.HasValue)
{
}
else
{
var cu = (double)this.CursorMs.Value / (double)UVWavHelpers.FullRangeProjection.Width;
var uspan = UVWavHelpers.GetUSpan(this.StartMs, this.EndMs);
var lineX = this.ActualWidth * (cu - uspan.Value) / uspan.Width;
var pen = new Pen(this.Foreground, this.CursorWidth);
drawingContext.DrawLine(pen, new System.Windows.Point(lineX, 0), new System.Windows.Point(lineX, this.ActualHeight));
}
}
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
var source = value as IViewMs;
if (source == null)
{
return(null);
}
var uspan = UVWavHelpers.GetUSpan(source.StartMs, source.EndMs);
return(new Viewport
{
Left = uspan.Value,
Width = uspan.Width,
Top = 0,
Height = 1.0
});
}
protected override Size MeasureOverride(Size availableSize)
{
const double heightProp = 1.0;
var baseVal = base.MeasureOverride(availableSize);
var tc = TimeCode.FromFrames(this.OffsetFrames, this.FrameRate);
foreach (var elem in this.SubtitleElements)
{
var subtitle = elem.Item;
var subStartMs = (subtitle.RecordIn.TotalSeconds - tc.TotalSeconds) * 1000.0;
var subEndMs = (subtitle.RecordOut.TotalSeconds - tc.TotalSeconds) * 1000.0;
var inRange = subStartMs >= this.StartMs && subStartMs <= this.EndMs || subEndMs >= this.StartMs && subEndMs <= this.EndMs || subStartMs <this.StartMs && subEndMs> this.EndMs;
if (!inRange)
{
continue;
}
var uspan = UVWavHelpers.GetUSpan(this.StartMs, this.EndMs);
var subStartU = (double)subStartMs / (double)UVWavHelpers.FullRangeProjection.Width;
var leftPix = this.ActualWidth * (subStartU - uspan.Value) / uspan.Width;
var subEndU = (double)subEndMs / (double)UVWavHelpers.FullRangeProjection.Width;
var subEndX = this.ActualWidth * (subEndU - uspan.Value) / uspan.Width;
var pen = new Pen(Brushes.Purple, 1.0);
pen = null;
//var top = this.ActualHeight * ((1.0 - heightProp) / 2.0);
var topPix = this.ActualHeight * ((1.0 - heightProp));
var bottomPix = topPix + this.ActualHeight * heightProp;
var rightPix = leftPix + subEndX - leftPix;
elem.Element.HasCroppedLeft = leftPix < 0;
elem.Element.HasCroppedRight = rightPix > this.ActualWidth;
leftPix = leftPix < 0 ? 0 : leftPix;
rightPix = rightPix > this.ActualWidth ? this.ActualWidth : rightPix;
topPix = topPix < 0 ? 0 : topPix;
bottomPix = bottomPix > this.ActualHeight ? this.ActualHeight : bottomPix;
var rect = new Rect(leftPix, topPix, rightPix - leftPix, bottomPix - topPix);
elem.Rect = rect;
elem.Element.Measure(rect.Size);
}
return(baseVal);
}
/* #endregion Private Methods */
/* #region Protected Methods */
protected override Size ArrangeOverride(Size finalSize)
{
var baseVal = base.ArrangeOverride(finalSize);
//foreach(FrameworkElement child in this.Children)
//{
// var imageRect = new Rect(0,0, 200,200);
// child.Arrange(imageRect);
//}
var viewport = this.GetViewport();
var uspan = UVWavHelpers.GetUSpan(this.StartMs, this.EndMs);
foreach (var kvp in this.TileControls)
{
QuadkeyHelpers.QuadKeyToTileXY(kvp.Key, out int tileX, out int tileY, out int ld);
var tile = new Tile(tileX, tileY, ld);
var tileUV = tile.Viewport();
var imageLeft = finalSize.Width * (tileUV.Left - uspan.Value) / uspan.Width;
var imageRight = finalSize.Width * ((tileUV.Left + tileUV.Width) - uspan.Value) / uspan.Width;
var tileLeftMs = tileUV.Left * UVWavHelpers.FullRangeProjection.Width;
var tileWidthMs = tileUV.Width * UVWavHelpers.FullRangeProjection.Width;
var imageTop = 0.0;
var imageHeight = finalSize.Height;
//var imageLeft = 0.0;
//var imageWidth = 100.0;
//var imageTop = 0.0;
//var imageHeight = 100.0;
var imageRect = new Rect(imageLeft, imageTop, imageRight - imageLeft, imageHeight);
//kvp.Value.SetValue(Canvas.LeftProperty, imageLeft);
//kvp.Value.SetValue(Canvas.TopProperty, imageTop);
//kvp.Value.Width = imageWidth;
//kvp.Value.Height = imageHeight;
kvp.Value.Arrange(imageRect);
}
return(finalSize);
}
