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Creating Pen and Brush in VC++
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Creating Brush and Pen in VC++ using MFC
Brush and Pen are two components for outputting text and graphics. The selection of a particular brush makes the outline being drawn using that brush. The selection of a pen makes the output of text and graphics by using a particular style. To use a particular brush or pen we have to associate that brush or pen with the device context.
Defining a Brush:-
CBrush:- An object of this component represents a brush with a particular color. The constructor of this component takes the color in RGB format as its argument.
CBrush redBrush(RGB(255,0,0));
Associating Brush with device context:-
To use a brush for outputting, it should be associated with the device context.
Syntax:-
[devicecontext object].SelectObject(&brush object);
This function associates the brush with the device context.
CBrush greenBrush(0,255,0);
CClientDC dc(this);
dc.SelectObject(&greenBrush);
Defining a Pen:-
CPen:- An object of this component represents pen with a particular style, thickness and color. The constructor of this component takes three arguments representing the style, thickness and color.
Syntax:-
CPen [pen object](style, thickness, color);
The style of the pen is represented by a set of predefined constants that begins with "PS_". The commonly used constants are as follows,
PS_SOLID (the style is "_______")
PS_DASH (the style is "-------")
PS_DOT (the style is ".......")
PS_DASH_DOT (the style is "-.-.-.-")
The thickness of the pen is an integer representing width of the pen in pixels.
The color parameter is represented in RGB format
CPen redPen(PS_SOLID,4,RGB(255,0,0));
CPen bluePen(PS_DASH_DOT,3,RGB(0,0,255));
Associating pen to device context:-
To use a particular pen for outputting, it should be associated with the device context.
Syntax:-
[devicecontext object].SelectObject(&pen object);
This function associates the particular pen with the device context.
CPen bluePen(PS_DASH_DOT,3,RGB(0,0,255));
CClientDC dc(this);
dc.SelectObject(&bluePen);
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