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集成测量工具：点点距、点线距、角度测量；十字辅助线；右键菜单；图像自适应窗口优化

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李伟
2026-04-24 14:36:52 +08:00
parent 9e39447144
commit 7fdc6adb44
6 changed files with 211 additions and 12 deletions
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XP.ImageProcessing.RoiControl/Controls/PolygonRoiCanvas.xaml.cs
+109 -7
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@@ -344,6 +344,7 @@ namespace XP.ImageProcessing.RoiControl.Controls
private Canvas _measureOverlay;
private readonly System.Collections.Generic.List<Models.MeasureGroup> _ppGroups = new();
private readonly System.Collections.Generic.List<Models.PointToLineGroup> _ptlGroups = new();
private readonly System.Collections.Generic.List<Models.AngleGroup> _angleGroups = new();
// 点点距临时状态
private Ellipse _pendingDot;
@@ -355,10 +356,16 @@ namespace XP.ImageProcessing.RoiControl.Controls
private Line _ptlTempLine;
private Point? _ptlTempL1, _ptlTempL2;
// 角度测量临时状态
private int _angleClickCount;
private Ellipse _angleTempVDot, _angleTempADot;
private Line _angleTempLineA;
private Point? _angleTempV, _angleTempA;
// 拖拽状态
private Ellipse _mDraggingDot;
private object _mDraggingOwner; // MeasureGroup 或 PointToLineGroup
private string _mDraggingRole; // "Dot1","Dot2","DotL1","DotL2","DotP"
private object _mDraggingOwner;
private string _mDraggingRole;
private static void OnMeasureModeChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
@@ -383,8 +390,11 @@ namespace XP.ImageProcessing.RoiControl.Controls
if (_ptlTempDot1 != null) { _measureOverlay.Children.Remove(_ptlTempDot1); _ptlTempDot1 = null; }
if (_ptlTempDot2 != null) { _measureOverlay.Children.Remove(_ptlTempDot2); _ptlTempDot2 = null; }
if (_ptlTempLine != null) { _measureOverlay.Children.Remove(_ptlTempLine); _ptlTempLine = null; }
_ptlTempL1 = _ptlTempL2 = null;
_ptlClickCount = 0;
_ptlTempL1 = _ptlTempL2 = null; _ptlClickCount = 0;
if (_angleTempVDot != null) { _measureOverlay.Children.Remove(_angleTempVDot); _angleTempVDot = null; }
if (_angleTempADot != null) { _measureOverlay.Children.Remove(_angleTempADot); _angleTempADot = null; }
if (_angleTempLineA != null) { _measureOverlay.Children.Remove(_angleTempLineA); _angleTempLineA = null; }
_angleTempV = _angleTempA = null; _angleClickCount = 0;
}
private void EnsureMeasureOverlay()
@@ -399,16 +409,17 @@ namespace XP.ImageProcessing.RoiControl.Controls
private void RemoveMeasureOverlay()
{
if (_measureOverlay != null) { mainCanvas.Children.Remove(_measureOverlay); _measureOverlay = null; }
_ppGroups.Clear();
_ptlGroups.Clear();
_ppGroups.Clear(); _ptlGroups.Clear(); _angleGroups.Clear();
_pendingDot = null; _pendingPoint = null;
_ptlTempDot1 = _ptlTempDot2 = null; _ptlTempLine = null;
_ptlTempL1 = _ptlTempL2 = null; _ptlClickCount = 0;
_angleTempVDot = _angleTempADot = null; _angleTempLineA = null;
_angleTempV = _angleTempA = null; _angleClickCount = 0;
_mDraggingDot = null; _mDraggingOwner = null;
}
public void ClearMeasurements() => RemoveMeasureOverlay();
public int MeasureCount => _ppGroups.Count + _ptlGroups.Count;
public int MeasureCount => _ppGroups.Count + _ptlGroups.Count + _angleGroups.Count;
// ── 点击分发 ──
@@ -421,6 +432,8 @@ namespace XP.ImageProcessing.RoiControl.Controls
HandlePointDistanceClick(pos);
else if (CurrentMeasureMode == Models.MeasureMode.PointToLine)
HandlePointToLineClick(pos);
else if (CurrentMeasureMode == Models.MeasureMode.Angle)
HandleAngleClick(pos);
}
// ── 点点距 ──
@@ -523,6 +536,65 @@ namespace XP.ImageProcessing.RoiControl.Controls
return g;
}
// ── 角度测量 ──
private void HandleAngleClick(Point pos)
{
_angleClickCount++;
if (_angleClickCount == 1)
{
_angleTempV = pos;
_angleTempVDot = CreateMDot(Brushes.Red);
_measureOverlay.Children.Add(_angleTempVDot);
SetDotPos(_angleTempVDot, pos);
RaiseMeasureStatusChanged($"角度测量 - 顶点: ({pos.X:F0}, {pos.Y:F0})，请点击射线端点A");
}
else if (_angleClickCount == 2)
{
_angleTempA = pos;
_angleTempADot = CreateMDot(Brushes.Orange);
_measureOverlay.Children.Add(_angleTempADot);
SetDotPos(_angleTempADot, pos);
_angleTempLineA = new Line { Stroke = Brushes.Lime, StrokeThickness = 1, IsHitTestVisible = false,
X1 = _angleTempV.Value.X, Y1 = _angleTempV.Value.Y, X2 = pos.X, Y2 = pos.Y };
_measureOverlay.Children.Add(_angleTempLineA);
RaiseMeasureStatusChanged($"角度测量 - 射线A已定义，请点击射线端点B");
}
else if (_angleClickCount == 3)
{
var g = CreateAngleGroup(_angleTempV.Value, _angleTempA.Value, pos);
_angleGroups.Add(g);
// 移除临时元素
if (_angleTempVDot != null) _measureOverlay.Children.Remove(_angleTempVDot);
if (_angleTempADot != null) _measureOverlay.Children.Remove(_angleTempADot);
if (_angleTempLineA != null) _measureOverlay.Children.Remove(_angleTempLineA);
_angleTempVDot = _angleTempADot = null; _angleTempLineA = null;
_angleTempV = _angleTempA = null; _angleClickCount = 0;
RaiseMeasureCompleted(g.V, g.B, g.AngleDeg, MeasureCount, "Angle");
CurrentMeasureMode = Models.MeasureMode.None;
}
}
private Models.AngleGroup CreateAngleGroup(Point v, Point a, Point b)
{
var g = new Models.AngleGroup { V = v, A = a, B = b };
g.LineA = new Line { Stroke = Brushes.Lime, StrokeThickness = 1, IsHitTestVisible = false };
g.LineB = new Line { Stroke = Brushes.Lime, StrokeThickness = 1, IsHitTestVisible = false };
g.Arc = new Path { Stroke = Brushes.Yellow, StrokeThickness = 1.5, IsHitTestVisible = false };
g.Label = new TextBlock { Foreground = Brushes.Yellow, FontSize = 13, FontWeight = FontWeights.Bold, IsHitTestVisible = false };
g.DotV = CreateMDot(Brushes.Red);
g.DotA = CreateMDot(Brushes.Orange);
g.DotB = CreateMDot(Brushes.Cyan);
foreach (UIElement el in new UIElement[] { g.LineA, g.LineB, g.Arc, g.Label, g.DotV, g.DotA, g.DotB })
_measureOverlay.Children.Add(el);
SetDotPos(g.DotV, v); SetDotPos(g.DotA, a); SetDotPos(g.DotB, b);
g.UpdateVisuals();
return g;
}
// ── 共用：圆点创建、定位、拖拽、删除 ──
private Ellipse CreateMDot(Brush fill)
@@ -561,6 +633,16 @@ namespace XP.ImageProcessing.RoiControl.Controls
if (g.DotP == dot) { _mDraggingOwner = g; _mDraggingRole = "DotP"; break; }
}
}
// 查找角度组
if (_mDraggingOwner == null)
{
foreach (var g in _angleGroups)
{
if (g.DotV == dot) { _mDraggingOwner = g; _mDraggingRole = "DotV"; break; }
if (g.DotA == dot) { _mDraggingOwner = g; _mDraggingRole = "DotA"; break; }
if (g.DotB == dot) { _mDraggingOwner = g; _mDraggingRole = "DotB"; break; }
}
}
if (_mDraggingOwner != null) { _mDraggingDot = dot; dot.CaptureMouse(); e.Handled = true; }
}
@@ -586,6 +668,14 @@ namespace XP.ImageProcessing.RoiControl.Controls
var foot = ptlg.FootPoint;
RaiseMeasureCompleted(ptlg.P, foot, ptlg.Distance, MeasureCount, "PointToLine");
}
else if (_mDraggingOwner is Models.AngleGroup ag)
{
if (_mDraggingRole == "DotV") ag.V = pos;
else if (_mDraggingRole == "DotA") ag.A = pos;
else if (_mDraggingRole == "DotB") ag.B = pos;
ag.UpdateVisuals();
RaiseMeasureCompleted(ag.V, ag.B, ag.AngleDeg, MeasureCount, "Angle");
}
e.Handled = true;
}
@@ -622,6 +712,18 @@ namespace XP.ImageProcessing.RoiControl.Controls
e.Handled = true; return;
}
}
// 角度删除
foreach (var g in _angleGroups)
{
if (g.DotV == dot || g.DotA == dot || g.DotB == dot)
{
foreach (var el in new UIElement[] { g.DotV, g.DotA, g.DotB, g.LineA, g.LineB, g.Arc, g.Label })
_measureOverlay.Children.Remove(el);
_angleGroups.Remove(g);
RaiseMeasureStatusChanged($"已删除测量 | 剩余 {MeasureCount} 条");
e.Handled = true; return;
}
}
}
// ── 事件 ──