public static void GetEntityDxf()
{
Document mdiActiveDocument = Application.DocumentManager.MdiActiveDocument;
Editor editor = mdiActiveDocument.Editor;
PromptEntityResult entity = editor.GetEntity("\nSelect an Entity: ");
if (entity.Status == 5100)
{
long[] array = new long[]
{
0L,
0L
};
SBGJ.?acdbGetAdsName@@YA?AW4ErrorStatus@Acad@@AEAY01_JVAcDbObjectId@@@Z(array, entity.ObjectId);
ResultBuffer resultBuffer = new ResultBuffer();
Interop.AttachUnmanagedObject(resultBuffer, SBGJ.acdbEntGet(array), true);
foreach (TypedValue typedValue in resultBuffer)
{
string str = (typedValue.Value != null) ? typedValue.Value.ToString() : "*Nothing*";
editor.WriteMessage("\n - Code: " + typedValue.TypeCode.ToString() + " = " + str);
}
}
}
void GetTextBoxCorners(DBText dbText, out Point3d pt1, out Point3d pt2, out Point3d pt3, out Point3d pt4)
{
ads_name name = new ads_name();
int result = acdbGetAdsName(
ref name,
dbText.ObjectId);
ResultBuffer rb = new ResultBuffer();
Interop.AttachUnmanagedObject(
rb,
acdbEntGet(ref name), true);
double[] point1 = new double[3];
double[] point2 = new double[3];
// Call imported arx function
acedTextBox(rb.UnmanagedObject, point1, point2);
pt1 = new Point3d(point1);
pt2 = new Point3d(point2);
// Create rotation matrix
Matrix3d rotMat = Matrix3d.Rotation(
dbText.Rotation,
dbText.Normal,
pt1);
// The returned points from acedTextBox need
// to be transformed as follow
pt1 = pt1.TransformBy(rotMat).Add(dbText.Position.GetAsVector());
pt2 = pt2.TransformBy(rotMat).Add(dbText.Position.GetAsVector());
Vector3d rotDir = new Vector3d(
-Math.Sin(dbText.Rotation),
Math.Cos(dbText.Rotation), 0);
Vector3d linDir = rotDir.CrossProduct(dbText.Normal);
double actualWidth =
Math.Abs((pt2.GetAsVector() - pt1.GetAsVector())
.DotProduct(linDir));
pt3 = pt1.Add(linDir * actualWidth);
pt4 = pt2.Subtract(linDir * actualWidth);
}
void GetTextBoxCorners(DBText dbText, out Point3d pt1, out Point3d pt2, out Point3d pt3, out Point3d pt4)
{
ads_name name = new ads_name();
int result = acdbGetAdsName(
ref name,
dbText.ObjectId);
ResultBuffer rb = new ResultBuffer();
Interop.AttachUnmanagedObject(
rb,
acdbEntGet(ref name), true);
double[] point1 = new double[3];
double[] point2 = new double[3];
// Call imported arx function
acedTextBox(rb.UnmanagedObject, point1, point2);
pt1 = new Point3d(point1);
pt2 = new Point3d(point2);
var ptX = pt1 + Vector3d.XAxis * 40;
var ptY = pt2 + Vector3d.YAxis * 50;
var lX = new Line(pt1, ptX);
var lY = new Line(pt2, ptY);
lX.Color = Color.FromColor(System.Drawing.Color.Green);
lY.Color = Color.FromColor(System.Drawing.Color.Orange);
Line line = new Line(pt1, pt2);
line.Color = Color.FromColor(System.Drawing.Color.Red);
line.ToSpace();
lX.ToSpace();
lY.ToSpace();
// Create rotation matrix
Matrix3d rotMat = Matrix3d.Rotation(
dbText.Rotation,
dbText.Normal,
pt1);
// The returned points from acedTextBox need
// to be transformed as follow
pt1 = pt1.TransformBy(rotMat).Add(dbText.Position.GetAsVector());
pt2 = pt2.TransformBy(rotMat).Add(dbText.Position.GetAsVector());
Line linetrans = new Line(pt1, pt2);
linetrans.Color = Color.FromColor(System.Drawing.Color.Yellow);
linetrans.ToSpace();
Vector3d rotDir = new Vector3d(
-Math.Sin(dbText.Rotation),
Math.Cos(dbText.Rotation), 0);
//求垂直于rotDir和normal的法向量
Vector3d linDir = rotDir.CrossProduct(dbText.Normal);
double actualWidth =
Math.Abs((pt2.GetAsVector() - pt1.GetAsVector())
.DotProduct(linDir));
pt3 = pt1.Add(linDir * actualWidth);
pt4 = pt2.Subtract(linDir * actualWidth);
Line linetrans2 = new Line(pt3, pt4);
linetrans2.Color = Color.FromColor(System.Drawing.Color.Blue);
linetrans2.ToSpace();
}