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Update transform using masking.

This commit is contained in:
Huo Yaoyuan 2017-06-15 00:46:39 +08:00
parent 443e24716c
commit 3b64dfe0fd
1 changed files with 17 additions and 7 deletions
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24
osu.Game/Graphics/UserInterface/LineGraph.cs
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@ -23,14 +23,15 @@ public class LineGraph : Container
/// </summary>
public float? MinValue { get; set; }
private const float transform_duration = 250;
private const double transform_duration = 500;
/// <summary>
/// Hold an empty area if values are less.
/// </summary>
public int DefaultValueCount;
private Path path;
private readonly Container<Path> maskingContainer;
private readonly Path path;
private float[] values;
@ -43,9 +44,21 @@ public IEnumerable<float> Values
{
values = value.ToArray();
applyPath();
maskingContainer.Width = 0;
maskingContainer.ResizeWidthTo(1, transform_duration, EasingTypes.OutQuint);
}
}
public LineGraph()
{
Add(maskingContainer = new Container<Path>
{
Masking = true,
RelativeSizeAxes = Axes.Both
});
maskingContainer.Add(path = new Path { RelativeSizeAxes = Axes.Both, PathWidth = 1 });
}
public override bool Invalidate(Invalidation invalidation = Invalidation.All, Drawable source = null, bool shallPropagate = true)
{
if ((invalidation & Invalidation.DrawSize) != 0)
@ -57,10 +70,7 @@ private void applyPath()
{
if (values == null) return;
path?.Expire();
Path localPath = new Path { RelativeSizeAxes = Axes.Both, PathWidth = 1 }; //capture a copy to avoid potential change
Add(path = localPath);
path.ClearVertices();
int count = Math.Max(values.Length, DefaultValueCount);
float max = values.Max(), min = values.Min();
@ -72,7 +82,7 @@ private void applyPath()
float x = (i + count - values.Length) / (float)(count - 1) * DrawWidth - 1;
float y = (max - values[i]) / (max - min) * DrawHeight - 1;
// the -1 is for inner offset in path (actually -PathWidth)
localPath.AddVertex(new Vector2(x, y));
path.AddVertex(new Vector2(x, y));
}
}
}