MemoryDC类参考

Memory DC

You can use this class to manager a memory dc to do all drawing on it.
It is used by the UiCanvas class too.

#include <MemoryDC.h>

所有成员的列表。

公有成员

void BitBlt (HDC hdcDst, int xDst, int yDst, int wDst, int hDst, int xSrc, int ySrc, DWORD dwRop)

BitBlt the internal DC

void Create (int nWidth, int nHeight, HDC hdcCompatible=0)

Create a memory dc with specified size

HDC GetDC ()

get the internal DC.

int GetHeight ()

get the internal bitmap's height

int GetWidth ()

get the internal bitmap's width

MemoryDC (void)

void Unload ()

Reset & Clean the resources of the object

~MemoryDC (void)

保护属性

HBITMAP m_hBmp

HGDIOBJ m_hBmpOld

HDC m_hDC

int m_nHeight

int m_nWidth

详细描述

Memory DC

You can use this class to manager a memory dc to do all drawing on it.
It is used by the UiCanvas class too.

构造及析构函数文档

MemoryDC::MemoryDC ( void )

MemoryDC::~MemoryDC ( void )

成员函数文档

void MemoryDC::BitBlt	(	HDC	hdcDst,
		int	xDst,
		int	yDst,
		int	wDst,
		int	hDst,
		int	xSrc,
		int	ySrc,
		DWORD	dwRop
	)

BitBlt the internal DC

void MemoryDC::Create	(	int	nWidth,
		int	nHeight,
		HDC	hdcCompatible = `0`
	)

Create a memory dc with specified size

参数:

	nWidth	width of the internal bitmap.
	nHeight	height of the internal bitmap.
	hdcCompatible	0:compatible with the current desktop dc.

HDC MemoryDC::GetDC ( )

get the internal DC.

int MemoryDC::GetHeight ( )

get the internal bitmap's height

int MemoryDC::GetWidth ( )

get the internal bitmap's width

void MemoryDC::Unload ( )

Reset & Clean the resources of the object

成员数据文档

HBITMAP MemoryDC::m_hBmp [protected]

HGDIOBJ MemoryDC::m_hBmpOld [protected]

HDC MemoryDC::m_hDC [protected]

int MemoryDC::m_nHeight [protected]

int MemoryDC::m_nWidth [protected]

该类的文档由以下文件生成：

MemoryDC.h


公有成员
void	BitBlt (HDC hdcDst, int xDst, int yDst, int wDst, int hDst, int xSrc, int ySrc, DWORD dwRop)
	BitBlt the internal DC
void	Create (int nWidth, int nHeight, HDC hdcCompatible=0)
	Create a memory dc with specified size
HDC	GetDC ()
	get the internal DC.
int	GetHeight ()
	get the internal bitmap's height
int	GetWidth ()
	get the internal bitmap's width
	MemoryDC (void)
void	Unload ()
	Reset & Clean the resources of the object
	~MemoryDC (void)
保护属性
HBITMAP	m_hBmp
HGDIOBJ	m_hBmpOld
HDC	m_hDC
int	m_nHeight
int	m_nWidth