repos_ecs/其他2015后/条码打印机/条形码生成/条形码/source_files/Printkernel.h

#ifndef __PRINT_KERNEL_20150902__
#define __PRINT_KERNEL_20150902__

#pragma once

//////////////////////////////////////////////////////////////////////////
// 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			// 水平居中;
#define FORMAT_VCENTER  2			// 垂直居中;
#define FORMAT_RIGHT	4			// 右对齐;
#define FORMAT_LEFT		8			// 左对齐;
#define FORMAT_UP       16			// 上对齐;
#define FORMAT_BOTTOM   32			// 下对齐;

// 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 CPrinter
{
public:
	CPrinter(void);
	~CPrinter(void);

public:
	int InitToPrint(TCHAR *PrinterName, int Copies = 1);
	int StartPrint();
	int StartPage();
	
	void MoveTo(int xCur, int yCur);
	int GetStrSize(TCHAR *str, CSize& size);
	int GetWidth();
	void NewPage();
	void SetDistance (int punkte);
	int SetMargins(int Top, int Bottom, int Left, int Right);
	
	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(TCHAR *str, CRect& m_rt, int iFont = 0, int iFace = 0, int format = FORMAT_NORMAL);
	int DrawText(TCHAR *str, int iFont = 0, int iFace = 0, int format = FORMAT_NORMAL);
	int DrawBarCode(TCHAR *str, CRect& rcBar);
	void EndPage();
	int EndPrint();

public:
	HDC	GetHDC() { return m_DC.m_hDC; };
	int DrawTextEx(IN LPCTSTR lpStr, IN CRect& rtStr, IN LOGFONT& lf, IN const int& nAlign);

private:
	CDC		m_DC;			// 要打印的内容（所有内容都画在该DC上）;
	HDC		m_hPrinter;     // 默认打印机的时候使用;
	CDC		m_PrinterDC;	// 指定打印机的时候使用;

	CFont*	m_font[10][4];  // 存放字体的的变量;
	int		m_nFonts;		// 现有的字体数;
	int     m_iFont;        // 使用的字体索引;
	int     m_iFace[10];    // 使用的风格索引;

	int		m_nCopies;	    // 打印的份数;
	CSize	m_WorkSize;		// 纸张的物理的宽度，以打印机的像素数为准;
	CRect	m_Margins;		// 期望的页边距区域;
	int		m_yCur;			// 当前的鼠标的位置Y;
	int     m_xCur;         // 当前的鼠标的位置X;
	int		m_Abstand;		// 行间距;
	int		m_iPage;		// 当前的页数;
	int		m_LastErrNo;	// 最后一个错误值;
	CPrintDialog    *m_pPrintDlg; // 使用打印机设置对话框;

};

#endif // __PRINT_KERNEL_20150902__