IMDrawable

IMDrawable is an abstract base which allows a graphic object to draw itself.


IMDrawable - Member Functions and Data by Group

Constructors & Destructor

This functions in this group consist of a protected constructors and a virtual destructor for creating and destroying objects of class IMDrawable.


[view class]
~IMDrawable
public:
virtual ~IMDrawable()
Virtual destructor.

Supported Platforms

Windows OS/2 AIX
Yes Yes Yes


[view class]
IMDrawable


Overload 1
Protected copy constructor.
protected:
IMDrawable(const IMDrawable&)

const IMDrawable&
The IMDrawable to be copied from.

Supported Platforms

Windows OS/2 AIX
Yes Yes Yes


Overload 2
Protected default constructor.
protected:
IMDrawable()

Supported Platforms

Windows OS/2 AIX
Yes Yes Yes


Assignment Operator

The operator in this group assigns the given IMDrawable object to the target one.


[view class]
operator =
protected:
IMDrawable& operator =(const IMDrawable& source)
Protected assignment operator for Abstract class.

const IMDrawable&
The IMDrawable to be copied from.

Return
A reference to the left-hand side object.

Supported Platforms

Windows OS/2 AIX
Yes Yes Yes


Rendering the Image

This group contains a pure virtual function for drawing an object to a graphics port.


[view class]
draw
public:
virtual void draw(IGrafPort& port) const = 0
Draws the graphic to the specific IGrafPort. This is a pure virtual function.

port
The port to which drawing should go.

Exception

Determined

by derived classes.

Supported Platforms

Windows OS/2 AIX
Yes Yes Yes


Streaming the Object In and Out

This group contains virtual functions for streaming an object in and out.


[view class]
readFromStream
protected:
virtual void readFromStream(IDataStream& toWhere)
This function reads the IMDrawable object in from the specified stream.

fromWhere
The stream used to stream in the object.

Supported Platforms

Windows OS/2 AIX
Yes Yes Yes


[view class]
writeToStream
protected:
virtual void writeToStream(IDataStream& toWhere) const
Streams the object out to the specified data stream.

toWhere
The stream used to stream out the object.

Supported Platforms

Windows OS/2 AIX
Yes Yes Yes


Testing Two Objects for Equality or Inequality

Testing two objects for equality or inequality.


[view class]
operator !=
public:
bool operator !=(const IMDrawable&) const
Tests two IMDrawables for inequality, determining whether their geometries and bundles are different.

const IMDrawable&
The IMDrawable to be compared with this one.

Return
True if the geometries or bundles of this IMDrawable and the argument are not equal.

Supported Platforms

Windows OS/2 AIX
Yes Yes Yes


[view class]
operator ==
public:
virtual bool operator ==(const IMDrawable&) const
Tests two IMDrawables for equality, determining whether the geometries are equal and the bundles are equal.

const IMDrawable&
The IMDrawable to be compared with this one.

Return
True if this IMDrawable and the argument have equal geometries and bundles.

Supported Platforms

Windows OS/2 AIX
Yes Yes Yes


IMDrawable - Inherited Member Functions and Data

Inherited Public Functions

IMStreamable

Inherited Public Data

Inherited Protected Functions

IMStreamable

Inherited Protected Data