public static System.Windows.TextAlignment AttachmentPointToAlign(MTextAttachmentPoint Attach)
{
System.Windows.TextAlignment hAlign = new System.Windows.TextAlignment();
List <int> list = new List <int> {
2, 5, 8
};
if (list.Contains((int)Attach))
{
hAlign = System.Windows.TextAlignment.Center;
}
list = new List <int> {
1, 4, 7
};
if (list.Contains((int)Attach))
{
hAlign = System.Windows.TextAlignment.Left;
}
list = new List <int> {
3, 6, 9
};
if (list.Contains((int)Attach))
{
hAlign = System.Windows.TextAlignment.Right;
}
return(hAlign);
}
/// <summary>
/// Initializes a new instance of the <c>Dimension</c> class.
/// </summary>
protected Dimension(DimensionType type)
: base(EntityType.Dimension, DxfObjectCode.Dimension)
{
this.definitionPoint = Vector3.Zero;
this.midTextPoint = Vector3.Zero;
this.dimensionType = type;
this.attachmentPoint = MTextAttachmentPoint.MiddleCenter;
this.lineSpacingStyle = MTextLineSpacingStyle.AtLeast;
this.lineSpacing = 1.0;
this.block = null;
this.style = DimensionStyle.Default;
}
/// <summary>
/// Initializes a new instance of the <c>MText</c> class.
/// </summary>
/// <param name="text">Text string.</param>
/// <param name="position">Text <see cref="Vector2">position</see> in world coordinates.</param>
/// <param name="height">Text height.</param>
/// <param name="rectangleWidth">Reference rectangle width.</param>
/// <param name="style">Text <see cref="TextStyle">style</see>.</param>
public MText(string text, Vector3 position, double height, double rectangleWidth, TextStyle style)
: base(EntityType.MText, DxfObjectCode.MText)
{
this.value = text;
this.position = position;
this.attachmentPoint = MTextAttachmentPoint.TopLeft;
if (style == null)
{
throw new ArgumentNullException("style", "The Text style cannot be null.");
}
this.style = style;
this.rectangleWidth = rectangleWidth;
this.height = height;
this.lineSpacing = 1.0;
this.paragraphHeightFactor = 1.0;
this.lineSpacingStyle = MTextLineSpacingStyle.AtLeast;
this.rotation = 0.0;
}
/// <summary>
/// Initializes a new instance of the <c>MText</c> class.
/// </summary>
/// <param name="text">Text string.</param>
/// <param name="position">Text <see cref="Vector2">position</see> in world coordinates.</param>
/// <param name="height">Text height.</param>
/// <param name="rectangleWidth">Reference rectangle width.</param>
/// <param name="style">Text <see cref="TextStyle">style</see>.</param>
public MText(string text, Vector3 position, double height, double rectangleWidth, TextStyle style)
: base(EntityType.MText, DxfObjectCode.MText)
{
this.text = text;
this.position = position;
this.attachmentPoint = MTextAttachmentPoint.TopLeft;
this.style = style ?? throw new ArgumentNullException(nameof(style));
this.rectangleWidth = rectangleWidth;
if (height <= 0.0)
{
throw new ArgumentOutOfRangeException(nameof(height), this.text, "The MText height must be greater than zero.");
}
this.height = height;
this.lineSpacing = 1.0;
this.lineSpacingStyle = MTextLineSpacingStyle.AtLeast;
this.drawingDirection = MTextDrawingDirection.ByStyle;
this.rotation = 0.0;
}
/// <summary>
/// Initializes a new instance of the <c>Dimension</c> class.
/// </summary>
protected Dimension(DimensionType type)
: base(EntityType.Dimension, DxfObjectCode.Dimension)
{
this.definitionPoint = Vector3.Zero;
this.midTextPoint = Vector3.Zero;
this.dimensionType = type;
this.attachmentPoint = MTextAttachmentPoint.MiddleCenter;
this.lineSpacingStyle = MTextLineSpacingStyle.AtLeast;
this.lineSpacing = 1.0;
this.block = null;
this.style = DimensionStyle.Default;
this.userText = null;
this.elevation = 0.0;
this.styleOverrides = new DimensionStyleOverrideDictionary();
this.styleOverrides.BeforeAddItem += this.StyleOverrides_BeforeAddItem;
this.styleOverrides.AddItem += this.StyleOverrides_AddItem;
this.styleOverrides.BeforeRemoveItem += this.StyleOverrides_BeforeRemoveItem;
this.styleOverrides.RemoveItem += this.StyleOverrides_RemoveItem;
}
/// <summary>
/// Initializes a new instance of the <c>Dimension</c> class.
/// </summary>
protected Dimension(DimensionType type)
: base(EntityType.Dimension, DxfObjectCode.Dimension)
{
this.definitionPoint = Vector3.Zero;
this.midTextPoint = Vector3.Zero;
this.dimensionType = type;
this.attachmentPoint = MTextAttachmentPoint.MiddleCenter;
this.lineSpacingStyle = MTextLineSpacingStyle.AtLeast;
this.lineSpacing = 1.0;
this.block = null;
this.style = DimensionStyle.Default;
this.userText = null;
this.elevation = 0.0;
this.styleOverrides = new DimensionStyleOverrideDictionary();
this.styleOverrides.BeforeAddItem += this.StyleOverrides_BeforeAddItem;
this.styleOverrides.AddItem += this.StyleOverrides_AddItem;
this.styleOverrides.BeforeRemoveItem += this.StyleOverrides_BeforeRemoveItem;
this.styleOverrides.RemoveItem += this.StyleOverrides_RemoveItem;
}
/// <summary>
/// Initializes a new instance of the <c>Dimension</c> class.
/// </summary>
protected Dimension(DimensionType type)
: base(EntityType.Dimension, DxfObjectCode.Dimension)
{
defPoint = Vector2.Zero;
textRefPoint = Vector2.Zero;
dimensionType = type;
attachmentPoint = MTextAttachmentPoint.MiddleCenter;
lineSpacingStyle = MTextLineSpacingStyle.AtLeast;
lineSpacing = 1.0;
block = null;
style = DimensionStyle.Default;
textRotation = 0.0;
userText = null;
elevation = 0.0;
styleOverrides = new DimensionStyleOverrideDictionary();
styleOverrides.BeforeAddItem += StyleOverrides_BeforeAddItem;
styleOverrides.AddItem += StyleOverrides_AddItem;
styleOverrides.BeforeRemoveItem += StyleOverrides_BeforeRemoveItem;
styleOverrides.RemoveItem += StyleOverrides_RemoveItem;
}
/// <summary>
/// Initializes a new instance of the <c>Dimension</c> class.
/// </summary>
protected Dimension(DimensionType type)
: base(EntityType.Dimension, DxfObjectCode.Dimension)
{
this.definitionPoint = Vector3.Zero;
this.midTextPoint = Vector3.Zero;
this.dimensionType = type;
this.attachmentPoint = MTextAttachmentPoint.MiddleCenter;
this.lineSpacingStyle = MTextLineSpacingStyle.AtLeast;
this.lineSpacing = 1.0;
this.block = null;
this.style = DimensionStyle.Default;
this.userText = null;
}
public static Vector3 TextAttachmentToPosition(MTextAttachmentPoint Attach, Vector3 position, double width, double height, double angle)
{
Vector3 newPos = new Vector3();
newPos = position;
List <int> list = new List <int> {
2, 5, 8
}; /*Center*/
if (list.Contains((int)Attach))
{
newPos.X = newPos.X - width / 2 - Math.Sin(Deg2Rad(angle)) * (height / 2 - 6);
//newPos.X = newPos.X -Math.Cos(Deg2Rad(angle))*width/2 -Math.Sin(Deg2Rad(angle))*(height+height/2 +1);
//newPos.X = newPos.X - height -Math.Cos(Deg2Rad(angle))*width/2 -Math.Sin(Deg2Rad(angle))*(height/2 +1);
//newPos.X = newPos.X -Math.Sin(Deg2Rad(angle))*width/2 -Math.Cos(Deg2Rad(angle))*height/2;
}
list = new List <int> {
1, 4, 7
}; /*Left*/
if (list.Contains((int)Attach))
{
newPos.X = newPos.X;
}
list = new List <int> {
3, 6, 9
}; /*Right*/
if (list.Contains((int)Attach))
{
newPos.X = newPos.X - width;
}
list = new List <int> {
1, 2, 3
}; /*Top*/
if (list.Contains((int)Attach))
{
newPos.Y = newPos.Y - Math.Sin(Deg2Rad(90)) * (height / 2 + 1);
}
list = new List <int> {
4, 5, 6
}; /*Middle*/
if (list.Contains((int)Attach))
{
newPos.Y = newPos.Y + height / 2;
}
list = new List <int> {
7, 8, 9
}; /*Bottom*/
if (list.Contains((int)Attach))
{
//newPos.Y = newPos.Y + Math.Sin(Deg2Rad(angle))*height/2 + 6;
newPos.Y = newPos.Y + Math.Sin(Deg2Rad(angle)) * height / 2 + Math.Cos(Deg2Rad(angle)) * (height - 6);
//- Math.Sin(Deg2Rad(90))*(width +1)
}
return(newPos);
}
/// <summary>
/// Moves, scales, and/or rotates the current entity given a 3x3 transformation matrix and a translation vector.
/// </summary>
/// <param name="transformation">Transformation matrix.</param>
/// <param name="translation">Translation vector.</param>
/// <remarks>
/// Non-uniform scaling is not supported, it would require to decompose each line into independent Text entities.
/// When the current MText entity does not belong to a DXF document, the text will be mirrored by default when a symmetry is performed;
/// otherwise, the drawing variable MirrText will be used.
/// </remarks>
public override void TransformBy(Matrix3 transformation, Vector3 translation)
{
bool mirrText = this.Owner == null ? DefaultMirrText : this.Owner.Record.Owner.Owner.DrawingVariables.MirrText;
Vector3 newPosition;
Vector3 newNormal;
Vector2 newUvector;
Vector2 newVvector;
double scale;
double newHeight;
double newRotation;
newPosition = transformation * this.Position + translation;
newNormal = transformation * this.Normal;
Matrix3 transOW = MathHelper.ArbitraryAxis(this.Normal);
Matrix3 transWO = MathHelper.ArbitraryAxis(newNormal);
transWO = transWO.Transpose();
IList <Vector2> uv = MathHelper.Transform(new List <Vector2>
{
Vector2.UnitX,
Vector2.UnitY
},
this.Rotation * MathHelper.DegToRad,
CoordinateSystem.Object, CoordinateSystem.World);
Vector3 v;
v = transOW * new Vector3(uv[0].X, uv[0].Y, 0.0);
v = transformation * v;
v = transWO * v;
newUvector = new Vector2(v.X, v.Y);
v = transOW * new Vector3(uv[1].X, uv[1].Y, 0.0);
v = transformation * v;
v = transWO * v;
newVvector = new Vector2(v.X, v.Y);
newRotation = Vector2.Angle(newUvector) * MathHelper.RadToDeg;
if (mirrText)
{
if (Vector2.CrossProduct(newUvector, newVvector) < 0.0)
{
newRotation += 180;
newNormal = -newNormal;
}
}
else
{
if (Vector2.CrossProduct(newUvector, newVvector) < 0.0)
{
if (Vector2.DotProduct(newUvector, uv[0]) < 0.0)
{
newRotation += 180;
switch (this.AttachmentPoint)
{
case MTextAttachmentPoint.TopLeft:
this.AttachmentPoint = MTextAttachmentPoint.TopRight;
break;
case MTextAttachmentPoint.TopRight:
this.AttachmentPoint = MTextAttachmentPoint.TopLeft;
break;
case MTextAttachmentPoint.MiddleLeft:
this.AttachmentPoint = MTextAttachmentPoint.MiddleRight;
break;
case MTextAttachmentPoint.MiddleRight:
this.AttachmentPoint = MTextAttachmentPoint.MiddleLeft;
break;
case MTextAttachmentPoint.BottomLeft:
this.AttachmentPoint = MTextAttachmentPoint.BottomRight;
break;
case MTextAttachmentPoint.BottomRight:
this.AttachmentPoint = MTextAttachmentPoint.BottomLeft;
break;
}
}
else
{
switch (this.AttachmentPoint)
{
case MTextAttachmentPoint.TopLeft:
this.AttachmentPoint = MTextAttachmentPoint.BottomLeft;
break;
case MTextAttachmentPoint.TopCenter:
this.attachmentPoint = MTextAttachmentPoint.BottomCenter;
break;
case MTextAttachmentPoint.TopRight:
this.AttachmentPoint = MTextAttachmentPoint.BottomRight;
break;
case MTextAttachmentPoint.BottomLeft:
this.AttachmentPoint = MTextAttachmentPoint.TopLeft;
break;
case MTextAttachmentPoint.BottomCenter:
this.attachmentPoint = MTextAttachmentPoint.TopCenter;
break;
case MTextAttachmentPoint.BottomRight:
this.AttachmentPoint = MTextAttachmentPoint.TopRight;
break;
}
}
}
}
// the MText entity does not support non-uniform scaling
scale = newNormal.Modulus();
newHeight = this.Height * scale;
newHeight = MathHelper.IsZero(newHeight) ? MathHelper.Epsilon : newHeight;
this.Position = newPosition;
this.Normal = newNormal;
this.Rotation = newRotation;
this.Height = newHeight;
this.RectangleWidth *= scale;
}
public static Vector2 CalculateCenter(float xLeft, float yBottom, float width, float height, bool isMText, MTextAttachmentPoint attachmentPoint)
{
if (isMText)
{
if (attachmentPoint == MTextAttachmentPoint.TopRight ||
attachmentPoint == MTextAttachmentPoint.MiddleRight ||
attachmentPoint == MTextAttachmentPoint.BottomRight)
{
xLeft -= width;
}
if (attachmentPoint == MTextAttachmentPoint.TopCenter ||
attachmentPoint == MTextAttachmentPoint.MiddleCenter ||
attachmentPoint == MTextAttachmentPoint.BottomCenter)
{
xLeft -= width * 0.5f;
}
if (attachmentPoint == MTextAttachmentPoint.MiddleRight ||
attachmentPoint == MTextAttachmentPoint.MiddleCenter ||
attachmentPoint == MTextAttachmentPoint.MiddleLeft)
{
yBottom -= height * 0.5f;
}
if (attachmentPoint == MTextAttachmentPoint.TopRight ||
attachmentPoint == MTextAttachmentPoint.TopCenter ||
attachmentPoint == MTextAttachmentPoint.TopLeft)
{
yBottom -= height;
}
}
else
{
// Single line uses top left attachment point
yBottom -= height;
}
//var h = HorizontalTextJustification;
//var v = VerticalTextJustification;
//var x1 = GetDoubleValueOrNull(DxfPartKind.PosX);
//var y1 = GetDoubleValueOrNull(DxfPartKind.PosY);
//var x2 = GetDoubleValueOrNull(DxfPartKind.AltPosX);
//var y2 = GetDoubleValueOrNull(DxfPartKind.AltPosY);
//if (!IsMText)
//{
// // Even if center, the 1st point is still bottom left (so use it even though the alignment is not perfect)
// //if (h == DxfValue_Text72_HorizontalTextJustification.Center)
// //{
// // return new Vector2(x1.Value, y1.Value);
// //}
// // Bottom Left
// return new Vector2(x1.Value + width * 0.5, y1.Value + height * 0.5);
//}
// Bottom Left
return(new Vector2(xLeft + width * 0.5f, yBottom + height * 0.5f));
}
public static Bounds CalculateBounds(float xLeft, float yBottom, bool isMText, string text, float?textHeightCache = null, float?textWidthCache = null, float?textWidth = null, float?fontHeight = null, MTextAttachmentPoint attachmentPoint = MTextAttachmentPoint.TopLeft)
{
var width = CalculateWidth(text, textWidthCache, textWidth == 0 ? null : textWidth, fontHeight);
var height = CalculateHeight(isMText, text, textHeightCache, textWidthCache, width, fontHeight);
var center = CalculateCenter(xLeft, yBottom, width, height, isMText, attachmentPoint);
return(Bounds.FromCenterSize(center, new Vector2(width, height)));
}
/// <summary>
/// Initializes a new instance of the <c>MText</c> class.
/// </summary>
/// <param name="text">Text string.</param>
/// <param name="position">Text <see cref="Vector2">position</see> in world coordinates.</param>
/// <param name="height">Text height.</param>
/// <param name="rectangleWidth">Reference rectangle width.</param>
/// <param name="style">Text <see cref="TextStyle">style</see>.</param>
public MText(string text, Vector3 position, double height, double rectangleWidth, TextStyle style)
: base(EntityType.MText, DxfObjectCode.MText)
{
this.value = text;
this.position = position;
this.attachmentPoint = MTextAttachmentPoint.TopLeft;
if (style == null)
throw new ArgumentNullException(nameof(style), "The Text style cannot be null.");
this.style = style;
this.rectangleWidth = rectangleWidth;
if (height <= 0.0)
throw new ArgumentOutOfRangeException(nameof(height), this.value, "The MText height must be greater than zero.");
this.height = height;
this.lineSpacing = 1.0;
this.paragraphHeightFactor = 1.0;
this.lineSpacingStyle = MTextLineSpacingStyle.AtLeast;
this.rotation = 0.0;
}
