printrx.h

VC++ 6.0开发。之中打印部分可能对您有值得参考的地方。其他的部分还不是很完善

// PrintRX.h: interface for the CPrintRX class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_PRINTRX_H__592C1902_0E73_4C23_A133_350A66362613__INCLUDED_)
#define AFX_PRINTRX_H__592C1902_0E73_4C23_A133_350A66362613__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
//////////////////////////////////////////////////////////////////////////
// caculate the logic x and y, change into physics x and y.(int printer DC)
#define	CALCF(x)		(-MulDiv(x, GetDeviceCaps(m_DC.m_hDC, LOGPIXELSY), 72))
#define	CALCY(y)		(MulDiv(y, GetDeviceCaps(m_DC.m_hDC, LOGPIXELSY), 72))
#define	CALCX(x)		(MulDiv(x, GetDeviceCaps(m_DC.m_hDC, LOGPIXELSX), 72))

// each added font can have 4 attributes
#define		FACE_NORMAL			0	
#define		FACE_NORMALBOLD		1
#define		FACE_BIG			2
#define		FACE_BIGBOLD		3

// for Print text, you should let it by left or right, and up or bottom
// these formats can be combined with the | operator
#define FORMAT_NORMAL	0         //default should be by left and top
#define FORMAT_HCENTER	1
#define FORMAT_VCENTER  2
#define FORMAT_RIGHT	4
#define FORMAT_LEFT		8	
#define FORMAT_UP       16
#define FORMAT_BOTTOM   32


// Error-codes
#define	PRERR_OK					0
#define	PRERR_NOIMAGES				1
#define PRERR_LOADBITMAPFAILED		2
#define PRERR_NOGETOBJECT			3
#define	PRERR_NOCOMPATIBLEDC		4
#define PRERR_NOSELECTOBJECT		5
#define PRERR_STRETCHBLTFAILED		6
#define	PRERR_STARTPAGEFAILED		7
#define PRERR_CANTCREATEPRINTERDC	8
#define PRERR_NOBITBLT				9
///////////////////////////////////////////////////////////////////////
class CPrintRX  
{
public:
	void MoveTo(int xCur, int yCur);
	int GetStrSize(char *str, CSize& size);
	int GetWidth();
	void NewPage();
	void EndPage();
	int StartPage();
	void SetDistance (int punkte);
	int SetMargins(int Top, int Bottom, int Left, int Right);
	int EndPrint();
	int StartPrint();
	int InitToPrint(char *PrinterName, int Copies);
	int SetFontFace(int iFont, int iFace);
	int AddFont(LOGFONT *lf);
	int AddFont(CFont &newfont);
	int DrawVLine(int x_up, int y_up, int x_bottom, int y_bottom, CPen &newpen);
	int DrawVLine(int x_up, int y_up, int x_bottom, int y_bottom);
	int DrawHLine(int x_left, int y_left, int x_right, int y_right, CPen & newpen);
	int DrawHLine(int x_left, int y_left, int x_right, int y_right);
	int DrawText(char *str, CRect& m_rt, int iFont = 0, int iFace = 0, int format = FORMAT_NORMAL);
	int DrawText(char *str, int iFont = 0, int iFace = 0, int format = FORMAT_NORMAL);
	CPrintRX();
	virtual ~CPrintRX();

private:
	CDC		m_DC;			// device-context for printing
	HDC		m_hPrinter;     // used when given a printer name that chosed
	CDC		m_PrinterDC;	// used when no given a printer chosed, you should craeate it youeself

	CFont*	m_font[10][4];  // 10 different fonts with 4 different apperances for each
	int		m_nFonts;		// number of added fonts, max. 10 possible
	int     m_iFont;        // the index of fonts now
	int     m_iFace[10];    // the index of faces in each font now

	int		m_nCopies;	    // number of copies, which should printed
	CSize	m_WorkSize;		// max width/height, which the printer allowes on the paper
	CRect	m_Margins;		// desired margins
	int		m_yCur;			// cursor-position at page during the printing
	int     m_xCur;         // cursor-position at page during the printing
	int		m_Abstand;		// distance of lines in points
	int		m_iPage;		// actual page-number
	int		m_LastErrNo;	// contains in error-case the error-number. can get with GetErrorCode()
	CPrintDialog    *m_pPrintDlg; // pointer to a various dialog-class, if desired
};

#endif // !defined(AFX_PRINTRX_H__592C1902_0E73_4C23_A133_350A66362613__INCLUDED_)