aswang::DC Class Reference

Wrap an Device Context to make generic graphic operations easier. More...

#include <dc.h>

List of all members.

Public Member Functions
	DC ()
	DC (HWND fw)
	Gets the DC of the given window.
	DC (HWND fw, HDC ndc)
	Wraps the given DC and internally associates it with the given window.
	DC (HDC ndc)
	Wraps the given DC.
	DC (const DC &ndc)
	Creates a compatible DC and wraps it.
virtual	~DC ()
virtual void	SetWindow (HWND fw)
	Set the window for which the DC should be internally associated.
virtual HWND	GetWindow () const
	Get the window for which the DC is internally associated.
virtual bool	Get ()
	Get the DC for the window the object is associated with.
virtual void	Free ()
	Free the DC. The method depends on whether the DC is internally associated with a window.
virtual void	_Release ()
	Free a DC that is associated with a window.
virtual void	_Delete ()
	Free a DC that is not associated with any window.
virtual HDC	GetHDC () const
	Get the windows DC handle.
virtual void	SetHDC (HDC ndc)
	Set the windows DC handle.
virtual void	SetPos (int x, int y) const
	Graphics operation. Sets the current coordinate from the top-left corner.
virtual POINT	GetPos () const
	Graphics operation. Returns the current coordinate from the top-left corner.
virtual void	DrawLine (int width, int height)
	Treats its parameters as offsets from the current position.
virtual void	DrawRect (int x, int y, int width, int height)
	Draws a rectangle.
virtual void	DrawRect (const RECT *r)
	Draws a rectangle.
virtual HDC	CreateCompatibleHDC () const
	Creates a compatible DC and returns the windows handle.
virtual void	Copy (const DC &dvc)
	Performs a BitBlt operation and copies given DC entirely.
virtual HBITMAP	CreateCompatibleBitmap () const
	Creates a compatible bitmap and returns the windows handle.
virtual void	Select (HGDIOBJ obj)
	Selects the given object. The previously selected object is pushed onto a deque.
virtual void	Unselect (HGDIOBJ obj)
	Pops the previously selected object of the same type off a deque and selects it.
virtual void	UnselectAll ()
	Restores the original object for all object types for which objects have been selected.
virtual void	SolidFill (HBRUSH brush)
	Fills the device context completely with the given brush.
virtual void	FillRect (int x, int y, int width, int height, HBRUSH hbr)
	Fills a rectangle with the given brush.
virtual void	FillRect (const RECT *r, HBRUSH hbr)
	Fills a rectangle with the given brush.
virtual void	DrawAbsLine (int x, int y)
	Draws a line to the given coordinate.
virtual void	Draw (HICON hIcon, int destX=0, int destY=0)
	Draws an icon at the given coordinate.
virtual DC &	operator= (HWND fw)
	Internally associates the object with the given window.
virtual DC &	operator= (HDC ndc)
	Wraps the given DC.
virtual DC &	operator= (const DC &ndc)
	Creates a compatible DC and wraps it.
virtual	operator HDC () const
	Returns the windows handle of the DC which the object is wrapping.

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Detailed Description

Wrap an Device Context to make generic graphic operations easier.

Definition at line 28 of file dc.h.

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Constructor & Destructor Documentation

aswang::DC::DC

(

)

[inline]

Definition at line 34 of file dc.h.

aswang::DC::DC

(

HWND

fw

)

[inline]

Gets the DC of the given window.

Definition at line 36 of file dc.h.

aswang::DC::DC	(	HWND	fw,
		HDC	ndc
	)		[inline]

Wraps the given DC and internally associates it with the given window.

Definition at line 38 of file dc.h.

aswang::DC::DC

(

HDC

ndc

)

[inline]

Wraps the given DC.

Definition at line 40 of file dc.h.

aswang::DC::DC

(

const DC &

ndc

)

[inline]

Creates a compatible DC and wraps it.

Definition at line 42 of file dc.h.

virtual aswang::DC::~DC

(

)

[inline, virtual]

Definition at line 45 of file dc.h.

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Member Function Documentation

void DC::_Delete

(

)

[virtual]

Free a DC that is not associated with any window.

Definition at line 48 of file dc.cpp.

void DC::_Release

(

)

[virtual]

Free a DC that is associated with a window.

Definition at line 42 of file dc.cpp.

void DC::Copy

(

const DC &

dvc

)

[virtual]

Performs a BitBlt operation and copies given DC entirely.

Definition at line 118 of file dc.cpp.

HBITMAP DC::CreateCompatibleBitmap

(

)

const [virtual]

Creates a compatible bitmap and returns the windows handle.

Definition at line 111 of file dc.cpp.

HDC DC::CreateCompatibleHDC

(

)

const [virtual]

Creates a compatible DC and returns the windows handle.

Definition at line 104 of file dc.cpp.

void DC::Draw	(	HICON	hIcon,
		int	destX = 0,
		int	destY = 0
	)		[virtual]

Draws an icon at the given coordinate.

Definition at line 182 of file dc.cpp.

void DC::DrawAbsLine	(	int	x,
		int	y
	)		[virtual]

Draws a line to the given coordinate.

Definition at line 176 of file dc.cpp.

void DC::DrawLine	(	int	width,
		int	height
	)		[virtual]

Treats its parameters as offsets from the current position.

Definition at line 85 of file dc.cpp.

void DC::DrawRect	(	int	x,
		int	y,
		int	width,
		int	height
	)		[virtual]

Draws a rectangle.

Definition at line 92 of file dc.cpp.

void DC::DrawRect

(

const RECT *

r

)

[virtual]

Draws a rectangle.

Definition at line 98 of file dc.cpp.

void DC::FillRect	(	int	x,
		int	y,
		int	width,
		int	height,
		HBRUSH	hbr
	)		[virtual]

Fills a rectangle with the given brush.

Definition at line 163 of file dc.cpp.

void DC::FillRect	(	const RECT *	r,
		HBRUSH	hbr
	)		[virtual]

Fills a rectangle with the given brush.

Definition at line 170 of file dc.cpp.

void DC::Free

(

)

[virtual]

Free the DC. The method depends on whether the DC is internally associated with a window.

Definition at line 31 of file dc.cpp.

bool DC::Get

(

)

[virtual]

Get the DC for the window the object is associated with.

Definition at line 24 of file dc.cpp.

virtual HDC aswang::DC::GetHDC

(

)

const [inline, virtual]

Get the windows DC handle.

Definition at line 60 of file dc.h.

POINT DC::GetPos

(

)

const [virtual]

Graphics operation. Returns the current coordinate from the top-left corner.

Definition at line 76 of file dc.cpp.

virtual HWND aswang::DC::GetWindow

(

)

const [inline, virtual]

Get the window for which the DC is internally associated.

Definition at line 50 of file dc.h.

virtual aswang::DC::operator HDC

(

)

const [inline, virtual]

Returns the windows handle of the DC which the object is wrapping.

Definition at line 103 of file dc.h.

DC & DC::operator=

(

HWND

fw

)

[virtual]

Internally associates the object with the given window.

Definition at line 54 of file dc.cpp.

DC & DC::operator=

(

HDC

ndc

)

[virtual]

Wraps the given DC.

Definition at line 60 of file dc.cpp.

DC & DC::operator=

(

const DC &

ndc

)

[virtual]

Creates a compatible DC and wraps it.

Definition at line 65 of file dc.cpp.

void DC::Select

(

HGDIOBJ

obj

)

[virtual]

Selects the given object. The previously selected object is pushed onto a deque.

Definition at line 124 of file dc.cpp.

virtual void aswang::DC::SetHDC

(

HDC

ndc

)

[inline, virtual]

Set the windows DC handle.

Definition at line 62 of file dc.h.

void DC::SetPos	(	int	x,
		int	y
	)		const [virtual]

Graphics operation. Sets the current coordinate from the top-left corner.

Definition at line 70 of file dc.cpp.

virtual void aswang::DC::SetWindow

(

HWND

fw

)

[inline, virtual]

Set the window for which the DC should be internally associated.

Definition at line 48 of file dc.h.

void DC::SolidFill

(

HBRUSH

brush

)

[virtual]

Fills the device context completely with the given brush.

Definition at line 156 of file dc.cpp.

void DC::Unselect

(

HGDIOBJ

obj

)

[virtual]

Pops the previously selected object of the same type off a deque and selects it.

Definition at line 132 of file dc.cpp.

void DC::UnselectAll

(

)

[virtual]

Restores the original object for all object types for which objects have been selected.

Definition at line 143 of file dc.cpp.

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The documentation for this class was generated from the following files:

• dc.h
• dc.cpp