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Pens.h
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#ifndef PENS_H
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#define PENS_H
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#include "MyDC.h"
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class
Pens
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{
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public
:
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Pens
();
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virtual
~
Pens
();
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// Use this enum select the pen that you want with a call like:
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// Pens::GetPen( Pens::Green );
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enum
LineStyle
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{
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Green,
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Yellow,
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GreenDashed,
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White,
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Grey,
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Red
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};
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// Class' interface - returns a constant reference to MyPEN
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// You can select the pen you want from the LineStyle
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const
MyPEN & GetPen(LineStyle style)
const
;
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protected
:
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private
:
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// Declaring copy constructor and assignment operator private makes the class non-copyable
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// This takes away the pain of manual memory management. If you need the class again,
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// just declare it again.
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Pens
(
const
Pens
& other);
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Pens
& operator=(
const
Pens
& other);
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// Adds a pen with bounds checking
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void
AddPen( LineStyle style, MyPEN pen );
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const
static
int
cNumPens = 6;
// keep this number in order by counting the number of LineStyle colors
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MyPEN m_pens[cNumPens];
// an array of pens.
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};
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#endif // PENS_H
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