public override bool HiTest(double double_0, IPoint ipoint_0, out IPoint ipoint_1, ref double double_1,
ref int int_0, ref int int_1, out bool bool_0)
{
bool flag;
IHitTest mPGeometry = this.m_pGeometry as IHitTest;
ipoint_1 = new ESRI.ArcGIS.Geometry.Point();
bool_0 = false;
bool flag1 = false;
if (mPGeometry.HitTest(ipoint_0, double_0, esriGeometryHitPartType.esriGeometryPartVertex, ipoint_1,
ref double_1, ref int_0, ref int_1, ref flag1))
{
bool_0 = true;
flag = true;
}
else if (
!mPGeometry.HitTest(ipoint_0, double_0, esriGeometryHitPartType.esriGeometryPartBoundary, ipoint_1,
ref double_1, ref int_0, ref int_1, ref flag1))
{
flag = false;
}
else
{
bool_0 = false;
flag = true;
}
return(flag);
}
public static bool TestGeometryHit(double double_0, IPoint ipoint_0, IGeometry igeometry_0, out IPoint ipoint_1,
ref double double_1, ref int int_0, ref int int_1, out bool bool_0)
{
bool flag;
bool flag1 = false;
IHitTest igeometry0 = igeometry_0 as IHitTest;
ipoint_1 = new ESRI.ArcGIS.Geometry.Point();
bool_0 = false;
bool flag2 = false;
if (
!(igeometry_0.GeometryType == esriGeometryType.esriGeometryPoint
? false
: igeometry_0.GeometryType != esriGeometryType.esriGeometryMultipoint))
{
if (
!igeometry0.HitTest(ipoint_0, double_0, esriGeometryHitPartType.esriGeometryPartVertex, ipoint_1,
ref double_1, ref int_0, ref int_1, ref flag2))
{
bool_0 = false;
}
else
{
flag1 = true;
bool_0 = true;
}
flag = flag1;
}
else if (igeometry0.HitTest(ipoint_0, double_0, esriGeometryHitPartType.esriGeometryPartVertex, ipoint_1,
ref double_1, ref int_0, ref int_1, ref flag2))
{
bool_0 = true;
flag = true;
}
else if (igeometry0.HitTest(ipoint_0, double_0, esriGeometryHitPartType.esriGeometryPartBoundary, ipoint_1,
ref double_1, ref int_0, ref int_1, ref flag2))
{
bool_0 = false;
flag = true;
}
else if ((igeometry_0.GeometryType == esriGeometryType.esriGeometryEnvelope
? false
: igeometry_0.GeometryType != esriGeometryType.esriGeometryPolygon) ||
!((IRelationalOperator)igeometry_0).Contains(ipoint_0))
{
flag = false;
}
else
{
int_0 = -1;
bool_0 = false;
flag = true;
}
return(flag);
}
/// <summary>
/// 角度同步,点与线的角度同步
/// </summary>
/// <param name="pPolyline">线</param>
/// <param name="pPoint">线附近的点(许可的范围内)</param>
/// <param name="dAngle">返回点符号的角度</param>
/// <param name="pRetPoint">返回的在线上的点的位置</param>
/// <returns>是否可以同步角度(如果距离过大,无法执行角度同步)</returns>
public static bool SynchronizeAngle(IPolyline pPolyline, IPoint pPoint, ref double dAngle, ref IPoint pRetPoint)
{
double dRadius = 10;
IPoint pHitPoint = new PointClass();
IHitTest pHitTest = pPolyline as IHitTest;
double hitDist = 0.0;
int hitPartIndex = 0;
int hitSegmentIndex = 0;
bool bRightSide = false;
bool bPointOnLine = pHitTest.HitTest(pPoint, dRadius, esriGeometryHitPartType.esriGeometryPartBoundary, pHitPoint, ref hitDist, ref hitPartIndex, ref hitSegmentIndex, ref bRightSide);
if (bPointOnLine)
{
if (distance(pHitPoint, pPoint) < 0.0001)
{
pRetPoint = null;
}
else
{
pRetPoint = pHitPoint;
}
ISegmentCollection pSegment = pPolyline as ISegmentCollection;
ILine pLine = pSegment.get_Segment(hitSegmentIndex) as ILine;
dAngle = pLine.Angle;
return(true);
}
return(false);
}
private static bool PointAffectsShape([NotNull] IPoint testPoint,
double searchRadius,
[NotNull] IPointCollection newPoints,
[NotNull] IPoint prevPoint,
[NotNull] IPoint nextPoint,
[NotNull] ILine line,
int pointIndex)
{
GetPreviousPoint(newPoints, pointIndex, ref prevPoint);
GetNextPoint(newPoints, pointIndex, ref nextPoint);
line.PutCoords(prevPoint, nextPoint);
double distance = 0;
var right = false;
IPoint hitPoint = new PointClass();
var lineHitPartIndex = 0;
var lineHitSegmentIndex = 0;
IHitTest lineHitTest = GeometryUtils.GetHitTest(line, true);
bool inLine = lineHitTest.HitTest(testPoint, searchRadius,
esriGeometryHitPartType.esriGeometryPartBoundary,
hitPoint, ref distance,
ref lineHitPartIndex,
ref lineHitSegmentIndex, ref right);
return(!inLine);
}
public bool HitTest(Rect contentRect, Vector2 point)
{
if (!contentRect.Contains(point))
{
return(false);
}
bool flag = false;
int cnt = elements.Count;
for (int i = 0; i < cnt; i++)
{
IHitTest ht = elements[i] as IHitTest;
if (ht != null)
{
if (ht.HitTest(contentRect, point))
{
return(true);
}
}
else
{
flag = true;
}
}
return(flag);
}
private static void RemovePoint(IGeometry geometry, IPoint point, double searchRadius)
{
double distance = 0;
var right = false;
IPoint hitPoint = new PointClass();
int hitSegmentIndex = -2;
int hitPartIndex = -2;
IHitTest hitTest = GeometryUtils.GetHitTest(geometry, true);
bool found = hitTest.HitTest(point, searchRadius,
esriGeometryHitPartType.esriGeometryPartVertex, hitPoint,
ref distance, ref hitPartIndex,
ref hitSegmentIndex, ref right);
if (!found)
{
return;
}
IGeometry partGeometry = geometry is IGeometryCollection
? GeometryUtils.GetHitGeometryPart(
point, geometry, searchRadius)
: geometry;
Assert.NotNull(partGeometry, "Geometry part at point {0} not found",
GeometryUtils.ToString(point));
RemovePoint(geometry, hitPartIndex, hitSegmentIndex, partGeometry);
}
//捕捉
public IPoint Snapping(double x, double y, IFeatureLayer featureLayer)
{
IMap map = this.axMapControl1.Map;
IActiveView activeView = this.axMapControl1.ActiveView;
IFeatureClass featureClass = featureLayer.FeatureClass;
IPoint point = new PointClass();
point.PutCoords(x, y);
IFeature feature = featureClass.GetFeature(0);
IPoint hitPoint1 = new PointClass();
IPoint hitPoint2 = new PointClass();
IHitTest hitTest = feature.Shape as IHitTest;
double hitDist = 0;
int partIndex = 0;
int vertexIndex = 0;
bool bVertexHit = false;
double tol = ConvertPixelsToMapUnits(activeView, 8);
if (hitTest.HitTest(point, tol, esriGeometryHitPartType.esriGeometryPartBoundary,
hitPoint2, ref hitDist, ref partIndex, ref vertexIndex, ref bVertexHit))
{
hitPoint1 = hitPoint2;
}
axMapControl1.ActiveView.Refresh();
return(hitPoint1);
}
override protected DisplayObject HitTest()
{
if (_disabled)
return null;
if (this.cachedTransform.localScale.x == 0 || this.cachedTransform.localScale.y == 0)
return null;
Vector2 localPoint = new Vector2();
Vector3 savedWorldPoint = HitTestContext.worldPoint;
Vector3 savedDirection = HitTestContext.direction;
if (hitArea != null)
{
if (!hitArea.HitTest(this, ref localPoint))
{
HitTestContext.worldPoint = savedWorldPoint;
HitTestContext.direction = savedDirection;
return null;
}
}
else
{
localPoint = GetHitTestLocalPoint();
if (_clipRect != null && !((Rect)_clipRect).Contains(localPoint))
{
HitTestContext.worldPoint = savedWorldPoint;
HitTestContext.direction = savedDirection;
return null;
}
}
if (_mask != null && _mask.InternalHitTestMask() == null)
return null;
DisplayObject target = null;
if (touchChildren)
{
int count = _children.Count;
for (int i = count - 1; i >= 0; --i) // front to back!
{
DisplayObject child = _children[i];
if (child == _mask)
continue;
target = child.InternalHitTest();
if (target != null)
break;
}
}
if (target == null && opaque && (hitArea != null || _contentRect.Contains(localPoint)))
target = this;
HitTestContext.worldPoint = savedWorldPoint;
HitTestContext.direction = savedDirection;
return target;
}
public bool Snap(IGeometry igeometry_0, IPoint ipoint_0, double double_0)
{
bool flag;
if (EditorLicenseProviderCheck.Check())
{
IPoint ipoint0 = ipoint_0;
double length = 1000;
bool flag1 = false;
ILine lineClass = new Line();
for (int i = 0; i < this.ifeatureCache_0.Count; i++)
{
IGeometry shape = this.ifeatureCache_0.Feature[i].Shape;
if (shape is ISegmentCollection)
{
IHitTest hitTest = (IHitTest)shape;
if ((hitTest is IPolyline ? true : hitTest is IPolygon))
{
double num = 0;
int num1 = 0;
int num2 = 0;
bool flag2 = true;
IPoint pointClass = new ESRI.ArcGIS.Geometry.Point();
if (hitTest.HitTest(ipoint_0, double_0, esriGeometryHitPartType.esriGeometryPartBoundary,
pointClass, ref num, ref num1, ref num2, ref flag2))
{
ISegment segment =
((shape as IGeometryCollection).Geometry[num1] as ISegmentCollection).Segment[num2];
if (segment is ICircularArc)
{
pointClass = ((ICircularArc)segment).CenterPoint;
lineClass.PutCoords(ipoint0, pointClass);
if (!flag1)
{
length = lineClass.Length;
ipoint_0.PutCoords(pointClass.X, pointClass.Y);
flag1 = true;
}
else if (length > lineClass.Length)
{
length = lineClass.Length;
ipoint_0.PutCoords(pointClass.X, pointClass.Y);
flag1 = true;
}
}
}
}
}
}
flag = flag1;
}
else
{
flag = false;
}
return(flag);
}
override protected DisplayObject HitTest()
{
if (_scale.x == 0 || _scale.y == 0)
{
return(null);
}
Vector2 localPoint = new Vector2();
Vector2 savedScreenPoint = HitTestContext.screenPoint;
if (hitArea != null)
{
if (!hitArea.HitTest(this, ref localPoint))
{
return(null);
}
}
else
{
localPoint = GlobalToLocal(HitTestContext.screenPoint);
if (_clipRect != null && !((Rect)_clipRect).Contains(localPoint.x, localPoint.y))
{
return(null);
}
}
DisplayObject target = null;
if (touchChildren)
{
int count = _children.Count;
for (int i = count - 1; i >= 0; --i) // front to back!
{
DisplayObject child = _children[i];
if (child == _mask)
{
continue;
}
target = child.InternalHitTest();
if (target != null)
{
break;
}
}
}
if (target == null && opaque && (hitArea != null || _contentRect.Contains(localPoint.x, localPoint.y)))
{
target = this;
}
HitTestContext.screenPoint = savedScreenPoint;
return(target);
}
public override void OnMouseMove(int Button, int Shift, int X, int Y)
{
if (m_pFeature == null)
{
return;
}
IPoint pPnt = m_MapControl.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);
//鼠标在选择集的范围外为选择功能
if (ModPublic.MouseOnSelection(pPnt, m_hookHelper.ActiveView) == false && m_bMouseDown == false)
{//若光标不在选择的对象上，为选择功能
ControlsEditSelFeature clsSelectFeature = new ControlsEditSelFeature();
clsSelectFeature.OnCreate(m_hookHelper.Hook);
clsSelectFeature.OnClick();
m_MapControl.CurrentTool = clsSelectFeature as ITool;
return;
}
//范围内为移动要素功能且不在要素节点上
else if (ModPublic.MouseOnFeatureVertex(pPnt, m_pFeature, m_hookHelper.ActiveView) == false && m_bMouseDown == false)
{
ControlsMoveSelFeature pControlsMoveSelFeature = new ControlsMoveSelFeature();
pControlsMoveSelFeature.OnCreate(m_hookHelper.Hook);
pControlsMoveSelFeature.OnClick();
m_MapControl.CurrentTool = pControlsMoveSelFeature as ITool;
return;
}
if (m_pVertexFeed == null)
{
return;
}
//捕捉节点
if (MoData.v_bSnapStart)
{
m_pSnapPoint = ModPublic.SnapPoint(pPnt, m_hookHelper.ActiveView);
}
IHitTest pHitTest = m_pFeature.Shape as IHitTest;
IPoint pHitPoint = new PointClass();
double dblHitDistance = 0;
int lPart = 0;
int intHitSegmentIndex = 0;
bool bRight = false;
bool bHitTest = pHitTest.HitTest(pPnt, m_dblTolearance, esriGeometryHitPartType.esriGeometryPartVertex, pHitPoint, ref dblHitDistance, ref lPart, ref intHitSegmentIndex, ref bRight);
if (m_pSnapPoint != null && MoData.v_bSnapStart)
{
m_pVertexFeed.MoveTo(m_pSnapPoint);
}
else
{
m_pVertexFeed.MoveTo(pPnt);
}
}
/// <summary>
/// 测试是否击中地图对象或地图对象上的节点
/// </summary>
/// <param name="tolerance">查询容差</param>
/// <param name="pPoint">点击位置</param>
/// <param name="pFeature">测试对象</param>
/// <param name="pHitPoint">查询目标点</param>
/// <param name="hitDist">目标点与点击点距离</param>
/// <param name="partIndex">节索引</param>
/// <param name="vertexIndex">点索引</param>
/// <param name="vertexHit">是否击中点</param>
/// <returns>是否击中测试对象</returns>
private bool TestGeometryHit(double tolerance, IPoint pPoint, IFeature pFeature, IPoint pHitPoint,
double hitDist, out int partIndex, out int vertexIndex, out bool vertexHit)
{
try
{
IGeometry pGeom = pFeature.Shape;
IHitTest pHitTest = (IHitTest)pGeom;
pHitPoint = new PointClass();
bool bRes = true;
partIndex = 0;
vertexIndex = 0;
vertexHit = false;
// 检查节点是否被击中
if (pHitTest.HitTest(pPoint, tolerance, esriGeometryHitPartType.esriGeometryPartVertex, pHitPoint,
ref hitDist, ref partIndex, ref vertexIndex, ref bRes))
{
vertexHit = true;
return(true);
}
// 检边界是否被击中
else
{
if (pHitTest.HitTest(pPoint, tolerance, esriGeometryHitPartType.esriGeometryPartBoundary, pHitPoint,
ref hitDist, ref partIndex, ref vertexIndex, ref bRes))
{
vertexHit = false;
return(true);
}
}
return(false);
}
catch (Exception e)
{
Console.WriteLine(e.Message.ToString());
partIndex = 0;
vertexIndex = 0;
vertexHit = false;
return(false);
}
}
private bool TestGeometryHit(double tolerance, IPoint pPoint, IFeature pFeature, ref IPoint pHitPoint, ref double hitDist, ref int partIndex, ref int vertexIndex, ref int vertexOffset, ref bool vertexHit)
{
// Function returns true if a feature's shape is hit and further defines
// if a vertex lies within the tolorance
bool bRetVal = false;
IGeometry pGeom = (IGeometry)pFeature.Shape;
IHitTest pHitTest = (IHitTest)pGeom;
pHitPoint = new ESRI.ArcGIS.Geometry.Point();
bool bTrue = true;
// 检查顶点是否被点击
if (pHitTest.HitTest(pPoint, tolerance, esriGeometryHitPartType.esriGeometryPartVertex, pHitPoint, ref hitDist, ref partIndex, ref vertexIndex, ref bTrue))
{
bRetVal = true;
vertexHit = true;
}
// 检查边界是否被点击
else if (pHitTest.HitTest(pPoint, tolerance, esriGeometryHitPartType.esriGeometryPartBoundary, pHitPoint, ref hitDist, ref partIndex, ref vertexIndex, ref bTrue))
{
bRetVal = true;
vertexHit = false;
}
// 统计vertexOffset顶点数目
if (partIndex > 0)
{
IGeometryCollection pGeomColn = (IGeometryCollection)pGeom;
vertexOffset = 0;
for (int i = 0; i < partIndex; i++)
{
IPointCollection pPointColn = (IPointCollection)pGeomColn.get_Geometry(i);
vertexOffset = vertexOffset + pPointColn.PointCount;
}
}
return(bRetVal);
}
public override bool HiTest(double double_0, IPoint ipoint_0, out IPoint ipoint_1, ref double double_1,
ref int int_0, ref int int_1, out bool bool_0)
{
bool flag;
IHitTest mPGeometry = this.m_pGeometry as IHitTest;
ipoint_1 = new ESRI.ArcGIS.Geometry.Point();
bool_0 = false;
bool flag1 = false;
if (mPGeometry.HitTest(ipoint_0, double_0, esriGeometryHitPartType.esriGeometryPartVertex, ipoint_1,
ref double_1, ref int_0, ref int_1, ref flag1))
{
bool_0 = true;
flag = true;
}
else if (mPGeometry.HitTest(ipoint_0, double_0, esriGeometryHitPartType.esriGeometryPartBoundary, ipoint_1,
ref double_1, ref int_0, ref int_1, ref flag1))
{
bool_0 = false;
flag = true;
}
else if (!((IRelationalOperator)this.m_pGeometry).Contains(ipoint_0))
{
flag = false;
}
else
{
int_0 = -1;
bool_0 = false;
ipoint_1.PutCoords(ipoint_0.X, ipoint_0.Y);
double_1 = 0;
flag = true;
}
return(flag);
}
private bool TestGeometryHit(double tol, IPoint pPoint, IGeometry geometry, ref IPoint pHitPoint,
ref double hitDist, ref int partIndex, ref int vertexOffset,
ref int vertexIndex, ref bool vertexHit)
{
IHitTest pHitTest = geometry as IHitTest;
pHitPoint = new PointClass();
bool last = true;
bool res = false;
if (pHitTest.HitTest(pPoint, tol, esriGeometryHitPartType.esriGeometryPartVertex, pHitPoint, ref hitDist, ref partIndex, ref vertexIndex, ref last))
{
vertexHit = true;
res = true;
}
else
{
if (pHitTest.HitTest(pPoint, tol, esriGeometryHitPartType.esriGeometryPartBoundary, pHitPoint, ref hitDist, ref partIndex, ref vertexIndex, ref last))
{
vertexHit = false;
res = true;
}
}
if (partIndex > 0)
{
IGeometryCollection pGeoColl = geometry as IGeometryCollection;
vertexOffset = 0;
for (int i = 0; i < partIndex; i = 2 * i + 1)
{
IPointCollection pointColl = pGeoColl.get_Geometry(i) as IPointCollection;
vertexOffset = vertexOffset + pointColl.PointCount;
}
}
return(res);
}
public override void OnMouseDown(int int_2, int int_3, int int_4, int int_5)
{
if (int_2 == 1)
{
IPoint mapPoint = _context.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(int_4, int_5);
double mapUnits = Common.ConvertPixelsToMapUnits((IActiveView)_context.FocusMap,
_context.Config.EngineSnapEnvironment.SnapTolerance);
IFeature hitLineFeature = Yutai.ArcGIS.Common.Editor.Editor.GetHitLineFeature(_context.FocusMap,
mapPoint, mapUnits);
if (hitLineFeature != null)
{
double num = 0;
bool flag = false;
int num1 = -1;
int num2 = -1;
IPoint pointClass = new ESRI.ArcGIS.Geometry.Point();
IHitTest shapeCopy = hitLineFeature.ShapeCopy as IHitTest;
shapeCopy.HitTest(mapPoint, mapUnits, esriGeometryHitPartType.esriGeometryPartBoundary, pointClass,
ref num, ref num1, ref num2, ref flag);
if (this.ifeature_0 != null)
{
IWorkspaceEdit workspace = (hitLineFeature.Class as IDataset).Workspace as IWorkspaceEdit;
workspace.StartEditOperation();
bool flag1 = Yutai.ArcGIS.Common.Editor.Editor.ConstructJunction(_context.FocusMap,
this.ifeature_0, this.ipoint_0, this.int_0, this.int_1, hitLineFeature, pointClass, num1,
num2);
workspace.StopEditOperation();
if (!flag1)
{
MessageBox.Show("两条线无法计算交点，线段可能不相交或交点在该图层坐标范围以外！");
}
else
{
_context.ActiveView.Refresh();
}
this.ifeature_0 = null;
}
else
{
this.ifeature_0 = hitLineFeature;
this.int_0 = num1;
this.int_1 = num2;
this.ipoint_0 = pointClass;
}
}
}
}
private static bool ExistsInNew([NotNull] IPoint testPoint,
double searchRadius, [NotNull] IHitTest newHitTest,
ref int hitPartIndex,
ref int hitSegmentIndex)
{
double distance = 0;
var right = false;
IPoint hitPoint = new PointClass();
bool inNew = newHitTest.HitTest(testPoint, searchRadius,
esriGeometryHitPartType.esriGeometryPartVertex,
hitPoint,
ref distance, ref hitPartIndex, ref hitSegmentIndex,
ref right);
return(inNew);
}
public void OnMouseUp(int button, int shift, int x, int y)
{
if (button != 2)
{
try
{
IGeometry editShape = Editor.UniqueInstance.EditShape;
IPoint queryPoint = this._hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(x, y);
IHitTest test = editShape as IHitTest;
IPoint hitPoint = new PointClass();
double hitDistance = 0.0;
int hitPartIndex = 0;
int hitSegmentIndex = 0;
bool bRightSide = false;
double searchRadius = 1.0 * this._hookHelper.ActiveView.FocusMap.MapScale;
esriGeometryHitPartType esriGeometryPartBoundary = esriGeometryHitPartType.esriGeometryPartBoundary;
test.HitTest(queryPoint, searchRadius, esriGeometryPartBoundary, hitPoint, ref hitDistance, ref hitPartIndex, ref hitSegmentIndex, ref bRightSide);
if (!hitPoint.IsEmpty)
{
IEngineSketchOperation operation = new EngineSketchOperationClass();
operation.Start(Editor.UniqueInstance.EngineEditor);
IGeometryCollection geometrys = editShape as IGeometryCollection;
IPointCollection points = geometrys.get_Geometry(hitPartIndex) as IPointCollection;
object missing = Type.Missing;
object after = new object();
after = hitSegmentIndex;
object before = new object();
before = hitPartIndex;
points.AddPoint(queryPoint, ref missing, ref after);
operation.SetMenuString("Insert Vertex");
esriEngineSketchOperationType esriEngineSketchOperationVertexAdded = esriEngineSketchOperationType.esriEngineSketchOperationVertexAdded;
geometrys.RemoveGeometries(hitPartIndex, 1);
geometrys.AddGeometry(points as IGeometry, ref before, ref missing);
operation.Finish(null, esriEngineSketchOperationVertexAdded, queryPoint);
Editor.UniqueInstance.FinishSketch();
this.OnClick();
}
}
catch (Exception exception)
{
Editor.UniqueInstance.AbortEditOperation();
this._mErrOpt.ErrorOperate(this._mSubSysName, "ShapeEdit.InsertVertex", "OnMouseUp", exception.GetHashCode().ToString(), exception.Source, exception.Message, "", "", "");
}
}
}
private static bool ExistsInOriginal([NotNull] IPoint testPoint,
[NotNull] IHitTest orgHitTest,
double searchRadius)
{
IPoint hitPoint = new PointClass();
double distance = 0;
var hitPartIndex = 0;
var hitSegmentIndex = 0;
var right = false;
bool inOriginal = orgHitTest.HitTest(testPoint, searchRadius,
esriGeometryHitPartType.esriGeometryPartVertex,
hitPoint,
ref distance, ref hitPartIndex,
ref hitSegmentIndex,
ref right);
return(inOriginal);
}
override protected DisplayObject HitTest()
{
if (_scale.X == 0 || _scale.Y == 0)
return null;
Vector2 savedScreenPoint = HitTestContext.screenPoint;
Vector2 localPoint = GlobalToLocal(HitTestContext.screenPoint);
if (hitArea != null)
{
if (!hitArea.HitTest(_contentRect, localPoint))
return null;
}
else
{
if (_clipRect != null && !((Rectangle)_clipRect).Contains(localPoint.X, localPoint.Y))
return null;
}
DisplayObject target = null;
if (touchChildren)
{
int count = _children.Count;
for (int i = count - 1; i >= 0; --i) // front to back!
{
DisplayObject child = _children[i];
if (child == _mask || child._touchDisabled)
continue;
target = child.InternalHitTest();
if (target != null)
break;
}
}
if (target == null && opaque && (hitArea != null || _contentRect.Contains(localPoint.X, localPoint.Y)))
target = this;
HitTestContext.screenPoint = savedScreenPoint;
return target;
}
/// <summary>
/// 几何形状点击查询测试
/// </summary>
/// <param name="geometry">ESRI几何形状接口</param>
/// <param name="queryPoint">查询点的ESRI几何形状接口</param>
/// <param name="searchRadius">搜索半径</param>
/// <param name="geometryPart">搜索命中的几何形状部位</param>
/// <param name="hitPoint">搜索命中点的ESRI点接口</param>
/// <param name="hitDistance">搜索命中的距离</param>
/// <param name="hitPartIndex">搜索命中的几何形状部位索引</param>
/// <param name="hitSegmentIndex">搜索命中的几何形状部位片段索引</param>
/// <param name="bRightSide">是否命中几何形状的右方</param>
/// <param name="hit">是否命中</param>
public static void GeometryHitTest(IGeometry geometry, IPoint queryPoint, double searchRadius,
out esriGeometryHitPartType geometryPart, out IPoint hitPoint, out double hitDistance,
out int hitPartIndex, out int hitSegmentIndex, out bool bRightSide, out bool hit)
{
geometryPart = esriGeometryHitPartType.esriGeometryPartNone;
hitPoint = new ESRI.ArcGIS.Geometry.Point();
hitDistance = -1;
hitPartIndex = -1;
hitSegmentIndex = -1;
bRightSide = false;
hit = false;
if (IsValidGeometry(geometry) && (geometry is IHitTest))
{
IHitTest hitTest = (IHitTest)geometry;
geometryPart = esriGeometryHitPartType.esriGeometryPartVertex;
hit = hitTest.HitTest(queryPoint, searchRadius, geometryPart, hitPoint,
ref hitDistance, ref hitPartIndex, ref hitSegmentIndex, ref bRightSide);
if (!hit)
{
geometryPart = esriGeometryHitPartType.esriGeometryPartBoundary;
hit = hitTest.HitTest(queryPoint, searchRadius, geometryPart, hitPoint,
ref hitDistance, ref hitPartIndex, ref hitSegmentIndex, ref bRightSide);
}
if (!hit)
{
geometryPart = esriGeometryHitPartType.esriGeometryPartMidpoint;
hit = hitTest.HitTest(queryPoint, searchRadius, geometryPart, hitPoint,
ref hitDistance, ref hitPartIndex, ref hitSegmentIndex, ref bRightSide);
}
if (!hit)
{
geometryPart = esriGeometryHitPartType.esriGeometryPartEndpoint;
hit = hitTest.HitTest(queryPoint, searchRadius, geometryPart, hitPoint,
ref hitDistance, ref hitPartIndex, ref hitSegmentIndex, ref bRightSide);
}
if (!hit)
{
geometryPart = esriGeometryHitPartType.esriGeometryPartCentroid;
hit = hitTest.HitTest(queryPoint, searchRadius, geometryPart, hitPoint,
ref hitDistance, ref hitPartIndex, ref hitSegmentIndex, ref bRightSide);
}
if (!hit)
{
geometryPart = esriGeometryHitPartType.esriGeometryPartSurface;
hit = hitTest.HitTest(queryPoint, searchRadius, geometryPart, hitPoint,
ref hitDistance, ref hitPartIndex, ref hitSegmentIndex, ref bRightSide);
}
}
}
/// <summary>
///
/// </summary>
/// <param name="contentRect"></param>
/// <param name="localPoint"></param>
/// <returns></returns>
public bool HitTest(Rect contentRect, Vector2 localPoint)
{
if (shape.graphics == null)
{
return(false);
}
if (shape.parent != null)
{
localPoint = shape.parent.TransformPoint(localPoint, shape);
}
IHitTest ht = shape.graphics.meshFactory as IHitTest;
if (ht == null)
{
return(false);
}
return(ht.HitTest(contentRect, localPoint));
}
public IPointCollection4 modify1VertexOfAPolyline(IGeometryCollection geo, Double searchRadius, Double offsetX, Double offsetY)
{
IPoint queryPoint = m_activePoint;
IPoint hitPoint = new PointClass();
Double hitDistance = 0; Int32 hitPartIndex = 0;
Int32 hitSegmentIndex = 0;
Boolean rightSide = false;
IHitTest hitTest = (IHitTest)geo;
Boolean foundGeometry = hitTest.HitTest(queryPoint, searchRadius, esriGeometryHitPartType.esriGeometryPartVertex, hitPoint, ref hitDistance, ref hitPartIndex, ref hitSegmentIndex, ref rightSide);
if (foundGeometry == true)
{
IGeometry geometry = geo.get_Geometry(hitPartIndex);
IPointCollection4 pointCollection = (IPointCollection4)geometry;
IPoint transformPoint = pointCollection.get_Point(hitSegmentIndex);
ITransform2D transform2D = (ITransform2D)transformPoint;
transform2D.Move(offsetX, offsetY);
pointCollection.UpdatePoint(hitSegmentIndex, transformPoint);
return(pointCollection);
}
return(null);
}
public ISegmentCollection Modify1Segment(IGeometryCollection polyline, Double searchRadius, Double offsetX, Double offsetY)
{
IPoint queryPoint = m_activePoint;
IPoint hitPoint = new PointClass();
double hitDistance = 0; int hitPartIndex = 0;
int hitSegmentIndex = 0; bool rightSide = false;
IHitTest hitTest = (IHitTest)polyline;
bool foundGeometry = hitTest.HitTest(queryPoint, searchRadius, esriGeometryHitPartType.esriGeometryPartBoundary, hitPoint, ref hitDistance, ref hitPartIndex, ref hitSegmentIndex, ref rightSide);
if (foundGeometry == true)
{
IGeometry geometry = polyline.get_Geometry(hitPartIndex);
ISegmentCollection segmentCollection =
(ISegmentCollection)geometry;
ISegment segment = segmentCollection.get_Segment(hitSegmentIndex);
ITransform2D transform2D = (ITransform2D)segment;
transform2D.Move(offsetX, offsetY);
segmentCollection.SegmentsChanged();
return(segmentCollection);
}
return(null);
}
private void SnapVertex(IPoint mousePoint)
{
int hitPartIndex = -1;
this._vertexIndex = -1;
this._isSnaped = false;
double searchRadius = this._viewMap.ScreenDisplay.DisplayTransformation.FromPoints(ToolConfig.MouseTolerance);
IHitTest linageShape = Editor.UniqueInstance.LinageShape as IHitTest;
IPoint hitPoint = null;
double hitDistance = 0.0;
bool bRightSide = false;
bool flag2 = linageShape.HitTest(mousePoint, searchRadius, esriGeometryHitPartType.esriGeometryPartVertex, hitPoint, ref hitDistance, ref hitPartIndex, ref this._vertexIndex, ref bRightSide);
this._isSnaped = (flag2 && (this._vertexIndex > 0)) && (this._vertexIndex < ((Editor.UniqueInstance.LinageShape as IPointCollection).PointCount - 1));
if (this._isSnaped)
{
this._cursor = this._cursorSnap;
}
else
{
this._cursor = this._cursorNormal;
}
}
protected override DisplayObject HitTest()
{
if (graphics.meshFactory == null)
{
return(null);
}
Vector2 localPoint = GlobalToLocal(HitTestContext.screenPoint);
IHitTest ht = graphics.meshFactory as IHitTest;
if (ht != null)
{
return(ht.HitTest(_contentRect, localPoint) ? this : null);
}
else if (_contentRect.Contains(localPoint.X, localPoint.Y))
{
return(this);
}
else
{
return(null);
}
}
protected override DisplayObject HitTest()
{
if (graphics.meshFactory == null)
{
return(null);
}
Vector2 localPoint = WorldToLocal(HitTestContext.worldPoint, HitTestContext.direction);
IHitTest ht = graphics.meshFactory as IHitTest;
if (ht != null)
{
return(ht.HitTest(_contentRect, localPoint) ? this : null);
}
else if (_contentRect.Contains(localPoint))
{
return(this);
}
else
{
return(null);
}
}
override protected DisplayObject HitTest()
{
if (_disabled)
{
return(null);
}
if (this.cachedTransform.localScale.x == 0 || this.cachedTransform.localScale.y == 0)
{
return(null);
}
Vector3 savedWorldPoint = HitTestContext.worldPoint;
Vector3 savedDirection = HitTestContext.direction;
Camera savedCamera = HitTestContext.camera;
if (this.renderMode == RenderMode.WorldSpace)
{
HitTestContext.camera = GetRenderCamera();
Vector3 screenPoint = HitTestContext.camera.WorldToScreenPoint(this.cachedTransform.position); //only for query z value
screenPoint.x = HitTestContext.screenPoint.x;
screenPoint.y = HitTestContext.screenPoint.y;
//获得本地z轴在世界坐标的方向
HitTestContext.worldPoint = HitTestContext.camera.ScreenToWorldPoint(screenPoint);
Ray ray = HitTestContext.camera.ScreenPointToRay(screenPoint);
HitTestContext.direction = Vector3.zero - ray.direction;
}
Vector2 localPoint = WorldToLocal(HitTestContext.worldPoint, HitTestContext.direction);
if (hitArea != null)
{
if (!hitArea.HitTest(_contentRect, localPoint))
{
HitTestContext.worldPoint = savedWorldPoint;
HitTestContext.direction = savedDirection;
HitTestContext.camera = savedCamera;
return(null);
}
if (hitArea is MeshColliderHitTest)
{
localPoint = ((MeshColliderHitTest)hitArea).lastHit;
}
}
else
{
if (_clipRect != null && !((Rect)_clipRect).Contains(localPoint))
{
HitTestContext.worldPoint = savedWorldPoint;
HitTestContext.direction = savedDirection;
HitTestContext.camera = savedCamera;
return(null);
}
}
if (_mask != null)
{
DisplayObject tmp = _mask.InternalHitTestMask();
if (!reversedMask && tmp == null || reversedMask && tmp != null)
{
HitTestContext.worldPoint = savedWorldPoint;
HitTestContext.direction = savedDirection;
HitTestContext.camera = savedCamera;
return(null);
}
}
DisplayObject target = null;
if (touchChildren)
{
int count = _children.Count;
for (int i = count - 1; i >= 0; --i) // front to back!
{
DisplayObject child = _children[i];
if (child == _mask || child._touchDisabled)
{
continue;
}
target = child.InternalHitTest();
if (target != null)
{
break;
}
}
}
if (target == null && opaque && (hitArea != null || _contentRect.Contains(localPoint)))
{
target = this;
}
HitTestContext.worldPoint = savedWorldPoint;
HitTestContext.direction = savedDirection;
HitTestContext.camera = savedCamera;
return(target);
}
private static DockStyle TestDrop(IHitTest hitTest, Point pt)
{
return(hitTest.Status = hitTest.HitTest(pt));
}
private static DockStyle TestDrop(IHitTest hitTest, Point pt)
{
return hitTest.Status = hitTest.HitTest(pt);
}
public void SnapVertex(int x, int y, IGeometry snapContainer, ref bool vertexSnaped, ref bool contained)
{
IPoint point = MyMapControl.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(x, y);
IPoint pHitPoint = null;
double hitDist = -1, tol = -1;
int vertexIndex = -1, partIndex = -1;
bool vertex = false;
tol = ConvertPixelsToMapUnits(4);
IHitTest pHitTest = snapContainer as IHitTest;
bool bHit = pHitTest.HitTest(point, tol, esriGeometryHitPartType.esriGeometryPartVertex, pHitPoint, ref hitDist, ref partIndex, ref vertexIndex, ref vertex);
vertexSnaped = false;
contained = false;
if (bHit)
{
MyMapControl.MousePointer = esriControlsMousePointer.esriPointerCrosshair;
vertexSnaped = true;
return;
}
else
{
IRelationalOperator pRelOperator = null;
ITopologicalOperator pTopo = null;
IGeometry buffer = null;
IPolygon polygon = null;
switch (snapContainer.GeometryType)
{
case esriGeometryType.esriGeometryPolyline:
pTopo = snapContainer as ITopologicalOperator;
buffer = pTopo.Buffer(3);
polygon = buffer as IPolygon;
pRelOperator = polygon as IRelationalOperator;
break;
case esriGeometryType.esriGeometryPolygon:
polygon = snapContainer as IPolygon;
pRelOperator = polygon as IRelationalOperator;
break;
case esriGeometryType.esriGeometryPoint:
pTopo = snapContainer as ITopologicalOperator;
buffer = pTopo.Buffer(3);
polygon = buffer as IPolygon;
pRelOperator = polygon as IRelationalOperator;
break;
default:
break;
}
if (pRelOperator == null)
{
return;
}
if (pRelOperator.Contains(point))
{
MyMapControl.MousePointer = esriControlsMousePointer.esriPointerSizeAll;
contained = true;
}
else
{
MyMapControl.MousePointer = esriControlsMousePointer.esriPointerArrow;
}
return;
}
}
