API reference - Class DText

Notation used in Ruby API documentation

Module: db

Description: A text object

A text object has a point (location), a text, a text transformation, a text size and a font id. Text size and font id are provided to be be able to render the text correctly. Text objects are used as labels (i.e. for pins) or to indicate a particular position.

The DText class uses floating-point coordinates. A class that operates with integer coordinates is Text.

See The Database API for more details about the database objects.

Public constructors

new DText ptrnew(const Text Text)Creates a floating-point coordinate text from an integer coordinate text
new DText ptrnewDefault constructor
new DText ptrnew(string string,
const DTrans trans)
Constructor with string and transformation
new DText ptrnew(string string,
double x,
double y)
Constructor with string and location
new DText ptrnew(string string,
const DTrans trans,
double height,
int font)
Constructor with string, transformation, text height and font

Public methods

[const]bool!=(const DText text)Inequality
[const]bool<(const DText t)Less operator
[const]bool==(const DText text)Equality
void_createEnsures the C++ object is created
void_destroyExplicitly destroys the object
[const]bool_destroyed?Returns a value indicating whether the object was already destroyed
[const]bool_is_const_object?Returns a value indicating whether the reference is a const reference
void_manageMarks the object as managed by the script side.
void_unmanageMarks the object as no longer owned by the script side.
voidassign(const DText other)Assigns another object to self
[const]new DText ptrdupCreates a copy of self
intfontGet the font number
voidfont=(int f)Set the font number
inthalignGet the horizontal alignment
voidhalign=(int a)Set the horizontal alignment
[const]unsigned longhashComputes a hash value
DTextmove(const DVector distance)Moves the text by a certain distance (modifies self)
DTextmove(double dx,
double dy)
Moves the text by a certain distance (modifies self)
DTextmoved(const DVector distance)Returns the text moved by a certain distance (does not modify self)
DTextmoved(double dx,
double dy)
Returns the text moved by a certain distance (does not modify self)
[const]doublesizeGet the text height
voidsize=(double s)Set the text height of this object
[const]stringstringGet the text string
voidstring=(string text)Assign a text string to this object
[const]Textto_itype(double dbu = 1)Converts the text to an integer coordinate text
[const]stringto_sConvert to a string
[const]DTranstransGet the transformation
voidtrans=(const DTrans t)Assign a transformation (text position and orientation) to this object
[const]Texttransformed(const VCplxTrans t)Transforms the text with the given complex transformation
[const]DTexttransformed(const DTrans t)Transform the text with the given simple transformation
[const]DTexttransformed(const DCplxTrans t)Transform the text with the given complex transformation
intvalignGet the vertical alignment
voidvalign=(int a)Set the vertical alignment
[const]doublexGets the x location of the text
voidx=(double x)Sets the x location of the text
[const]doubleyGets the y location of the text
voidy=(double y)Sets the y location of the text

Public static methods and constants

new DText ptrfrom_s(string s)Creates an object from a string

Deprecated methods (protected, public, static, non-static and constructors)

voidcreateUse of this method is deprecated. Use _create instead
voiddestroyUse of this method is deprecated. Use _destroy instead
[const]booldestroyed?Use of this method is deprecated. Use _destroyed? instead
[const]boolis_const_object?Use of this method is deprecated. Use _is_const_object? instead

Detailed description

!=

Signature: [const] bool != (const DText text)

Description: Inequality

Return true, if this text object and the given text are not equal

<

Signature: [const] bool < (const DText t)

Description: Less operator

t:The object to compare against

This operator is provided to establish some, not necessarily a certain sorting order

==

Signature: [const] bool == (const DText text)

Description: Equality

Return true, if this text object and the given text are equal

_create

Signature: void _create

Description: Ensures the C++ object is created

Use this method to ensure the C++ object is created, for example to ensure that resources are allocated. Usually C++ objects are created on demand and not necessarily when the script object is created.

_destroy

Signature: void _destroy

Description: Explicitly destroys the object

Explicitly destroys the object on C++ side if it was owned by the script interpreter. Subsequent access to this object will throw an exception. If the object is not owned by the script, this method will do nothing.

_destroyed?

Signature: [const] bool _destroyed?

Description: Returns a value indicating whether the object was already destroyed

This method returns true, if the object was destroyed, either explicitly or by the C++ side. The latter may happen, if the object is owned by a C++ object which got destroyed itself.

_is_const_object?

Signature: [const] bool _is_const_object?

Description: Returns a value indicating whether the reference is a const reference

This method returns true, if self is a const reference. In that case, only const methods may be called on self.

_manage

Signature: void _manage

Description: Marks the object as managed by the script side.

After calling this method on an object, the script side will be responsible for the management of the object. This method may be called if an object is returned from a C++ function and the object is known not to be owned by any C++ instance. If necessary, the script side may delete the object if the script's reference is no longer required.

Usually it's not required to call this method. It has been introduced in version 0.24.

_unmanage

Signature: void _unmanage

Description: Marks the object as no longer owned by the script side.

Calling this method will make this object no longer owned by the script's memory management. Instead, the object must be managed in some other way. Usually this method may be called if it is known that some C++ object holds and manages this object. Technically speaking, this method will turn the script's reference into a weak reference. After the script engine decides to delete the reference, the object itself will still exist. If the object is not managed otherwise, memory leaks will occur.

Usually it's not required to call this method. It has been introduced in version 0.24.

assign

Signature: void assign (const DText other)

Description: Assigns another object to self

create

Signature: void create

Description: Ensures the C++ object is created

Use of this method is deprecated. Use _create instead

Use this method to ensure the C++ object is created, for example to ensure that resources are allocated. Usually C++ objects are created on demand and not necessarily when the script object is created.

destroy

Signature: void destroy

Description: Explicitly destroys the object

Use of this method is deprecated. Use _destroy instead

Explicitly destroys the object on C++ side if it was owned by the script interpreter. Subsequent access to this object will throw an exception. If the object is not owned by the script, this method will do nothing.

destroyed?

Signature: [const] bool destroyed?

Description: Returns a value indicating whether the object was already destroyed

Use of this method is deprecated. Use _destroyed? instead

This method returns true, if the object was destroyed, either explicitly or by the C++ side. The latter may happen, if the object is owned by a C++ object which got destroyed itself.

dup

Signature: [const] new DText ptr dup

Description: Creates a copy of self

Python specific notes:
This method also implements '__copy__'

font

Signature: int font

Description: Get the font number

Python specific notes:
The object exposes a readable attribute 'font'. This is the getter.

font=

Signature: void font= (int f)

Description: Set the font number

Python specific notes:
The object exposes a writable attribute 'font'. This is the setter.

from_s

Signature: [static] new DText ptr from_s (string s)

Description: Creates an object from a string

Creates the object from a string representation (as returned by to_s)

This method has been added in version 0.23.

halign

Signature: int halign

Description: Get the horizontal alignment

See halign= for a description of this property.

Python specific notes:
The object exposes a readable attribute 'halign'. This is the getter.

halign=

Signature: void halign= (int a)

Description: Set the horizontal alignment

This property specifies how the text is aligned relative to the anchor point. Allowed values for this property are 0 (left), 1 (center) and 2 (right). This property has been introduced in version 0.22.

Python specific notes:
The object exposes a writable attribute 'halign'. This is the setter.

hash

Signature: [const] unsigned long hash

Description: Computes a hash value

Returns a hash value for the given text object. This method enables texts as hash keys.

This method has been introduced in version 0.25.

Python specific notes:
This method is also available as 'hash(object)'

is_const_object?

Signature: [const] bool is_const_object?

Description: Returns a value indicating whether the reference is a const reference

Use of this method is deprecated. Use _is_const_object? instead

This method returns true, if self is a const reference. In that case, only const methods may be called on self.

move

(1) Signature: DText move (const DVector distance)

Description: Moves the text by a certain distance (modifies self)

p:The offset to move the text.
Returns:A reference to this text object

Moves the text by a given offset and returns the moved text. Does not check for coordinate overflows.

(2) Signature: DText move (double dx, double dy)

Description: Moves the text by a certain distance (modifies self)

dx:The x distance to move the text.
dy:The y distance to move the text.
Returns:A reference to this text object

Moves the text by a given distance in x and y direction and returns the moved text. Does not check for coordinate overflows.

This method was introduced in version 0.23.

moved

(1) Signature: DText moved (const DVector distance)

Description: Returns the text moved by a certain distance (does not modify self)

p:The offset to move the text.
Returns:The moved text.

Moves the text by a given offset and returns the moved text. Does not modify *this. Does not check for coordinate overflows.

(2) Signature: DText moved (double dx, double dy)

Description: Returns the text moved by a certain distance (does not modify self)

dx:The x distance to move the text.
dy:The y distance to move the text.
Returns:The moved text.

Moves the text by a given offset and returns the moved text. Does not modify *this. Does not check for coordinate overflows.

This method was introduced in version 0.23.

new

(1) Signature: [static] new DText ptr new (const Text Text)

Description: Creates a floating-point coordinate text from an integer coordinate text

This constructor has been introduced in version 0.25 and replaces the previous static method 'from_itext'.

Python specific notes:
This method is the default initializer of the object

(2) Signature: [static] new DText ptr new

Description: Default constructor

Creates a text with unit transformation and empty text.

Python specific notes:
This method is the default initializer of the object

(3) Signature: [static] new DText ptr new (string string, const DTrans trans)

Description: Constructor with string and transformation

A string and a transformation is provided to this constructor. The transformation specifies the location and orientation of the text object.

Python specific notes:
This method is the default initializer of the object

(4) Signature: [static] new DText ptr new (string string, double x, double y)

Description: Constructor with string and location

A string and a location is provided to this constructor. The location is specifies as a pair of x and y coordinates.

This method has been introduced in version 0.23.

Python specific notes:
This method is the default initializer of the object

(5) Signature: [static] new DText ptr new (string string, const DTrans trans, double height, int font)

Description: Constructor with string, transformation, text height and font

A string and a transformation is provided to this constructor. The transformation specifies the location and orientation of the text object. In addition, the text height and font can be specified.

Python specific notes:
This method is the default initializer of the object

size

Signature: [const] double size

Description: Get the text height

Python specific notes:
The object exposes a readable attribute 'size'. This is the getter.

size=

Signature: void size= (double s)

Description: Set the text height of this object

Python specific notes:
The object exposes a writable attribute 'size'. This is the setter.

string

Signature: [const] string string

Description: Get the text string

Python specific notes:
The object exposes a readable attribute 'string'. This is the getter.

string=

Signature: void string= (string text)

Description: Assign a text string to this object

Python specific notes:
The object exposes a writable attribute 'string'. This is the setter.

to_itype

Signature: [const] Text to_itype (double dbu = 1)

Description: Converts the text to an integer coordinate text

The database unit can be specified to translate the floating-point coordinate Text in micron units to an integer-coordinate text in database units. The text's coordinates will be divided by the database unit.

This method has been introduced in version 0.25.

to_s

Signature: [const] string to_s

Description: Convert to a string

Python specific notes:
This method is also available as 'str(object)'

trans

Signature: [const] DTrans trans

Description: Get the transformation

Python specific notes:
The object exposes a readable attribute 'trans'. This is the getter.

trans=

Signature: void trans= (const DTrans t)

Description: Assign a transformation (text position and orientation) to this object

Python specific notes:
The object exposes a writable attribute 'trans'. This is the setter.

transformed

(1) Signature: [const] Text transformed (const VCplxTrans t)

Description: Transforms the text with the given complex transformation

t:The magnifying transformation to apply
Returns:The transformed text (in this case an integer coordinate text)

This method has been introduced in version 0.25.

(2) Signature: [const] DText transformed (const DTrans t)

Description: Transform the text with the given simple transformation

t:The transformation to apply
Returns:The transformed text

(3) Signature: [const] DText transformed (const DCplxTrans t)

Description: Transform the text with the given complex transformation

t:The magnifying transformation to apply
Returns:The transformed text (a DText now)

valign

Signature: int valign

Description: Get the vertical alignment

See valign= for a description of this property.

Python specific notes:
The object exposes a readable attribute 'valign'. This is the getter.

valign=

Signature: void valign= (int a)

Description: Set the vertical alignment

This property specifies how the text is aligned relative to the anchor point. Allowed values for this property are 0 (top), 1 (center) and 2 (bottom). This property has been introduced in version 0.22.

Python specific notes:
The object exposes a writable attribute 'valign'. This is the setter.

x

Signature: [const] double x

Description: Gets the x location of the text

This method has been introduced in version 0.23.

Python specific notes:
The object exposes a readable attribute 'x'. This is the getter.

x=

Signature: void x= (double x)

Description: Sets the x location of the text

This method has been introduced in version 0.23.

Python specific notes:
The object exposes a writable attribute 'x'. This is the setter.

y

Signature: [const] double y

Description: Gets the y location of the text

This method has been introduced in version 0.23.

Python specific notes:
The object exposes a readable attribute 'y'. This is the getter.

y=

Signature: void y= (double y)

Description: Sets the y location of the text

This method has been introduced in version 0.23.

Python specific notes:
The object exposes a writable attribute 'y'. This is the setter.