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refactor: rewrite Models.CommitGraph.PathHelper (#528)

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leo 2024-09-29 18:16:15 +08:00
parent fe015f9bfd
commit 4b5d65cdb7
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1 changed files with 70 additions and 29 deletions
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97
src/Models/CommitGraph.cs
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@ -20,7 +20,6 @@ namespace SourceGit.Models
public bool IsMerged;
public double LastX;
public double LastY;
public double EndY;
public Path Path;
public PathHelper(string next, bool isMerged, int color, Point start)
@ -29,7 +28,6 @@ namespace SourceGit.Models
IsMerged = isMerged;
LastX = start.X;
LastY = start.Y;
EndY = LastY;
Path = new Path();
Path.Color = color;
@ -42,7 +40,6 @@ namespace SourceGit.Models
IsMerged = isMerged;
LastX = to.X;
LastY = to.Y;
EndY = LastY;
Path = new Path();
Path.Color = color;
@ -50,43 +47,87 @@ namespace SourceGit.Models
Path.Points.Add(to);
}
public void Add(double x, double y, double halfHeight, bool isEnd = false)
/// <summary>
/// A path that just passed this row.
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="halfHeight"></param>
public void Pass(double x, double y, double halfHeight)
{
if (x > LastX)
{
Add(new Point(LastX, LastY));
Add(new Point(x, y - halfHeight));
if (isEnd)
Add(new Point(x, y));
Add(LastX, LastY);
Add(x, y - halfHeight);
}
else if (x < LastX)
{
var testY = LastY + halfHeight;
if (y > testY)
Add(new Point(LastX, testY));
if (!isEnd)
Add(LastX, y - halfHeight);
y += halfHeight;
Add(new Point(x, y));
}
else if (isEnd)
{
Add(new Point(x, y));
Add(x, y);
}
LastX = x;
LastY = y;
}
private void Add(Point p)
/// <summary>
/// A path that has commit in this row but not ended
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="halfHeight"></param>
public void Goto(double x, double y, double halfHeight)
{
if (EndY < p.Y)
if (x > LastX)
{
Path.Points.Add(p);
EndY = p.Y;
Add(LastX, LastY);
Add(x, y - halfHeight);
}
else if (x < LastX)
{
Add(LastX, y - halfHeight);
Add(x, y);
}
LastX = x;
LastY = y;
}
/// <summary>
/// A path that has commit in this row and end.
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="halfHeight"></param>
public void End(double x, double y, double halfHeight)
{
if (x > LastX)
{
Add(LastX, LastY);
Add(x, y - halfHeight);
}
else if (x < LastX)
{
Add(LastX, y - halfHeight);
}
Add(x, y);
LastX = x;
LastY = y;
}
private void Add(double x, double y)
{
if (_endY < y)
{
Path.Points.Add(new Point(x, y));
_endY = y;
}
}
private double _endY = 0;
}
public class Link
@ -173,17 +214,17 @@ namespace SourceGit.Models
if (commit.Parents.Count > 0)
{
major.Next = commit.Parents[0];
major.Add(offsetX, offsetY, HALF_HEIGHT);
major.Goto(offsetX, offsetY, HALF_HEIGHT);
}
else
{
major.Add(offsetX, offsetY, HALF_HEIGHT, true);
major.End(offsetX, offsetY, HALF_HEIGHT);
ended.Add(l);
}
}
else
{
l.Add(major.LastX, offsetY, HALF_HEIGHT, true);
l.End(major.LastX, offsetY, HALF_HEIGHT);
ended.Add(l);
}
@ -193,7 +234,7 @@ namespace SourceGit.Models
else
{
offsetX += UNIT_WIDTH;
l.Add(offsetX, offsetY, HALF_HEIGHT);
l.Pass(offsetX, offsetY, HALF_HEIGHT);
}
}
@ -278,7 +319,7 @@ namespace SourceGit.Models
if (path.Path.Points.Count == 1 && Math.Abs(path.Path.Points[0].Y - endY) < 0.0001)
continue;
path.Add((i + 0.5) * UNIT_WIDTH + H_MARGIN, endY + HALF_HEIGHT, HALF_HEIGHT, true);
path.End((i + 0.5) * UNIT_WIDTH + H_MARGIN, endY + HALF_HEIGHT, HALF_HEIGHT);
}
unsolved.Clear();