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

#include "StdAfx.h"
#include "Printkernel.h"

/************************************************************************/
/*  函数：GIsHalfHZ[4/25/2016 IT];
/*  描述：判断输入的字符串最后一个字符是否是汉字;
/*  参数：;
/*  	[IN] str：输入的字符串;
/*  返回：如果是一个完整的汉字,返回FALSE。否则返回TRUE;
/************************************************************************/
BOOL GIsHalfHZ(const CString &str)
{
	INT nLength = str.GetLength();
	BOOL IsHalf = FALSE;

	for ( INT i = 0; i < nLength; )
	{
		if ( str.GetAt(i) < 0 )
		{
			i += 2;
			if ( i > nLength )
				IsHalf = TRUE;
		}
		else
		{
			i++;
		}
	}

	return IsHalf;
}


CPrinter::CPrinter()
{
	for (int i=0; i<10; i++) 
	{
		m_iFace[i] = 0;
		for (int j=0; j<4; j++) 
			m_font[i][j] = new (CFont);
	}
	m_nFonts = 0;
	m_iFont = 0;

	m_pPrintDlg = NULL;	
	m_Margins.SetRect(0, 0, 0, 0);
	m_yCur = 0;
	m_xCur = 0;

	m_iPage = 1;
	m_nCopies = 1;
}

CPrinter::~CPrinter()
{
	for (int i=0; i<10; i++) 
		for (int j=0; j<4; j++) 
			delete (m_font[i][j]);
	if (m_pPrintDlg) 
		delete (m_pPrintDlg);
}

int CPrinter::DrawText(TCHAR *str, int iFont, int iFace, int format)
{
	m_DC.TextOut(m_xCur, m_yCur, str);
	return 1;
}

int CPrinter::DrawText(TCHAR *str, CRect& m_rt, int iFont, int iFace, int format)
{
	SIZE Size;
	GetTextExtentPoint32(m_DC.GetSafeHdc(), str, _tcslen(str), &Size);
	int left, top;
	if (format & FORMAT_HCENTER)
	{
		left = CALCX(m_rt.left) + CALCX(m_rt.Width())/2 - Size.cx/2;
		if (left < CALCX(m_rt.left))
			left = CALCX(m_rt.left);
	}
	else if(format & FORMAT_RIGHT)
	{
		left = CALCX(m_rt.left) + CALCX(m_rt.Width()) - Size.cx;
		if (left < CALCX(m_rt.left))
			left = CALCX(m_rt.left);
	}
	else
		left = CALCX(m_rt.left);
	if (format & FORMAT_VCENTER)
	{
		top = CALCY(m_rt.top) + CALCY(m_rt.Height())/2 - Size.cy/2;
		if (top < CALCY(m_rt.top))
			top = CALCY(m_rt.top);
	}
	else top = CALCY(m_rt.top);
	m_DC.TextOut(left, top, str);

	return 1;
}

/************************************************************************/
/*  函数：[4/25/2016 IT];
/*  描述：;
/*  参数：;
/*  	[IN] ：;
/*  	[OUT] ：;
/*  	[IN/OUT] ：;
/*  返回：void;
/*  注意：LOGFONT需要说明的是成员变量lfHeight和lfWidth均为逻辑坐标值;
/*  示例：;
/*
/*  修改：;
/*  日期：;
/*  内容：;
/************************************************************************/
int CPrinter::DrawTextEx(IN LPCTSTR lpStr, IN CRect& rtStr, IN LOGFONT& lf, IN const int& nAlign)
{
	if ( lpStr == NULL )
	{
		_tprintf_s(_T("字符串指针空\n"));
		return -1;
	}

	if ( rtStr.IsRectEmpty() )
	{
		_tprintf_s(_T("字符串区域空\n"));
		return -1;
	}

	CFont cf;
	CFont *oldf = NULL;
	SIZE Size;
	int nLeft = 0, nTop = 0;

	cf.CreateFontIndirect(&lf);
	oldf = m_DC.SelectObject(&cf);

	// GetTextExtentPoint32返回字符串宽高(按逻辑坐标返回SIZE);
	if ( !GetTextExtentPoint32(m_DC.GetSafeHdc(), lpStr, _tcslen(lpStr), &Size) )
		return -1;

	// 处理情况;
	if ( Size.cx <= rtStr.Width() )
	{
		if (nAlign & FORMAT_HCENTER)
		{
			nLeft = rtStr.left + rtStr.Width()/2 - Size.cx/2;
			if ( nLeft < rtStr.left )
				nLeft = rtStr.left;
		}
		else if(nAlign & FORMAT_RIGHT)
		{
			nLeft = rtStr.left + rtStr.Width() - Size.cx;
			if (nLeft < rtStr.left)
				nLeft = rtStr.left;
		}
		else
			nLeft = rtStr.left;

		if (nAlign & FORMAT_VCENTER)
		{
			nTop = rtStr.top + rtStr.Height()/2 - Size.cy/2;
			if (nTop < rtStr.top)
				nTop = rtStr.top;
		}
		else 
			nTop = rtStr.top;

		// 输出文本,注意TextOut使用的x,y是逻辑坐标值;
		m_DC.TextOut(nLeft, nTop, lpStr);
	}
	else
	{

	}

	m_DC.SelectObject(oldf);

	return 1;
}

int CPrinter::DrawHLine(int x_left, int y_left, int x_right, int y_right)
{
	// CDC::MoveTo和CDC::LineTo的x,y坐标使用的是逻辑坐标值;
	m_DC.MoveTo(CALCX(m_Margins.left + x_left), CALCY(m_Margins.top + y_left));
	m_DC.LineTo(CALCX(m_Margins.left + x_right), CALCY(m_Margins.top + y_right));
	return 0;
}

int CPrinter::DrawHLine(int x_left, int y_left, int x_right, int y_right, CPen &newpen)
{
	// CDC::MoveTo和CDC::LineTo的x,y坐标使用的是逻辑坐标值;
	CPen* 	oldPen = m_DC.SelectObject(&newpen);
	m_DC.MoveTo(CALCX(m_Margins.left + x_left), CALCY(m_Margins.top + y_left));
	m_DC.LineTo(CALCX(m_Margins.left + x_right), CALCY(m_Margins.top + y_right));
	m_DC.SelectObject(oldPen);
	return 0;
}

int CPrinter::DrawVLine(int x_up, int y_up, int x_bottom, int y_bottom)
{
	// CDC::MoveTo和CDC::LineTo的x,y坐标使用的是逻辑坐标值;
	m_DC.MoveTo(CALCX(m_Margins.left + x_up), CALCY(m_Margins.top + y_up));
	m_DC.LineTo(CALCX(m_Margins.left + x_bottom), CALCY(m_Margins.top + y_bottom));
	return 0;
}

int CPrinter::DrawVLine(int x_up, int y_up, int x_bottom, int y_bottom, CPen &newpen)
{
	// CDC::MoveTo和CDC::LineTo的x,y坐标使用的是逻辑坐标值;
	CPen* 	oldPen = m_DC.SelectObject(&newpen);
	m_DC.MoveTo(CALCX(m_Margins.left + x_up), CALCY(m_Margins.top + y_up));
	m_DC.LineTo(CALCX(m_Margins.left + x_bottom), CALCY(m_Margins.top + y_bottom));
	m_DC.SelectObject(oldPen);
	return 0;
}

/************************************************************************/
/*  函数：[4/24/2016 IT];
/*  描述：;
/*  参数：;
/*  	[IN] ：;
/*  	[OUT] ：;
/*  	[IN/OUT] ：;
/*  返回：void;
/*  注意：;
/*  示例：;
/*
/*  修改：;
/*  日期：;
/*  内容：;
/************************************************************************/
int CPrinter::DrawBarCode(TCHAR *str, CRect& rcBar)
{
	Barcode128 code;
	code.SetRatio(1);
	code.Encode128B(str);
	COLORREF clrBar = RGB(0,0,0);
	COLORREF clrSpace = RGB(255,255,255);
	//rcBar = m_Margins;
	//P_DrawBarcode(pDC,iL,iT,iB-10,iB,clrBar,clrSpace,iPenW,&code);
	//m_DC.DPtoLP(rcBar);
	//m_DC.SetMapMode(MM_TEXT);
	code.DrawBarcode(m_hPrinter, rcBar.left, rcBar.top, rcBar.right, rcBar.bottom, clrBar, clrSpace, 2);

	return 0;
}

int CPrinter::AddFont(CFont &newfont)
{
	return -1;
}

int CPrinter::AddFont(LOGFONT *lf)
{
	if (m_nFonts == 10)
		return -1;

	m_font[m_nFonts][FACE_NORMAL]->CreateFontIndirect(lf);

	lf->lfWeight = FW_BLACK;
	m_font[m_nFonts][FACE_NORMALBOLD]->CreateFontIndirect(lf);

	lf->lfWeight = FW_REGULAR;
	lf->lfHeight = CALCF(25); 
	m_font[m_nFonts][FACE_BIG]->CreateFontIndirect(lf);

	lf->lfWeight = FW_BLACK;
	m_font[m_nFonts][FACE_BIGBOLD]->CreateFontIndirect(lf);
	m_nFonts ++;
	return 0;
}

int CPrinter::SetFontFace(int iFont, int iFace)
{
	ASSERT(iFont < 10);
	ASSERT(iFace < 4);
	m_iFont = iFont;
	m_iFace[m_iFont] = iFace;
	m_DC.SelectObject(m_font[m_iFont][m_iFace[m_iFont]]);
	return 0;
}

/************************************************************************/
/*  函数：[4/24/2016 IT];
/*  描述：;
/*  参数：;
/*  	[IN] ：;
/*  	[OUT] ：;
/*  	[IN/OUT] ：;
/*  返回：void;
/*  注意：;
/*  示例：;
/*
/*  修改：;
/*  日期：;
/*  内容：;
/************************************************************************/
int CPrinter::InitToPrint(TCHAR *PrinterName, int Copies )
{
	if (m_pPrintDlg == NULL)    // delete it in ~CPrinter()
		m_pPrintDlg = new CPrintDialog(FALSE,PD_DISABLEPRINTTOFILE);

	ASSERT(m_pPrintDlg != NULL);

	if (PrinterName == NULL)    // which printer ist desired, and how much copies?
	{
		if (m_pPrintDlg->DoModal() == IDCANCEL) 
			return -1;
		// 获取打印机设备上的DC值;
		m_hPrinter = m_pPrintDlg->GetPrinterDC();
		// 获取要打印的份数;
		m_nCopies = m_pPrintDlg->GetCopies();
	} 
	else 	                    // a printer is given by name..
	{
		if (m_PrinterDC.CreateDC(NULL, PrinterName, NULL, NULL) == 0)
		{
			m_LastErrNo = PRERR_CANTCREATEPRINTERDC;
			return (-1);        // failed, then set the num of Last Error
		}
		m_hPrinter = m_PrinterDC;
		m_nCopies = Copies;
	}
	if (m_DC.Attach(m_hPrinter) == 0) 
		return -1;
	m_DC.m_bPrinting = TRUE;

	if (m_pPrintDlg) 
		delete (m_pPrintDlg);
	m_pPrintDlg = NULL;

	LOGFONT	  log;	
	log.lfHeight = CALCF(13);   // 13号字体;
	log.lfWidth = 0;
	log.lfEscapement = 0;   
	log.lfOrientation = 0;   
	log.lfWeight = FW_REGULAR;   
	log.lfItalic =  false;
	log.lfUnderline = false;   
	log.lfStrikeOut = 0;   
	log.lfCharSet = ANSI_CHARSET;
	log.lfOutPrecision = OUT_DEFAULT_PRECIS;   
	log.lfClipPrecision = CLIP_DEFAULT_PRECIS;   
	log.lfQuality = DEFAULT_QUALITY;
	log.lfPitchAndFamily = DEFAULT_PITCH || FF_ROMAN;   
	_tcscpy_s(log.lfFaceName,_T("Arial"));
	AddFont(&log);
	m_iFont = 0;                //set default font is index of 0

	return 0;
}

int CPrinter::StartPrint()
{
	CString strTitle;	
	// 打印文档对象;
	DOCINFO di;
	strTitle.LoadString(AFX_IDS_APP_TITLE);
	::ZeroMemory(&di, sizeof (DOCINFO));
	di.cbSize = sizeof (DOCINFO);
	// 设置打印文档的名称;
	di.lpszDocName = strTitle;

	// 开始打印工作;
	if FAILED(m_DC.StartDoc(&di) == -1) return (-1);

	// 获取打印机打印区域的宽度和高度(像素);
	m_WorkSize.cx = m_DC.GetDeviceCaps(HORZRES);
	m_WorkSize.cy = m_DC.GetDeviceCaps(VERTRES);

	return  0;
}

int CPrinter::EndPrint()
{
	m_DC.EndDoc();	            // end a print job
	m_DC.Detach();              // detach the printer DC
	return 0;
}

/************************************************************************/
/*  函数：SetMargins[4/24/2016 IT];
/*  描述：设置页边距;
/*  参数：;
/*  	[IN] ：;
/*  	[OUT] ：;
/*  	[IN/OUT] ：;
/*  返回：void;
/*  注意：;
/*  示例：;
/************************************************************************/
int CPrinter::SetMargins(int Top, int Bottom, int Left, int Right)
{
	if (Top > 0) 
		m_Margins.top = Top;
	if (Bottom > 0) 
		m_Margins.bottom = Bottom;
	if (Left > 0) 
		m_Margins.left = Left;
	if (Right > 0) 
		m_Margins.right = Right;

	m_yCur = CALCY(m_Margins.top);
	m_xCur = CALCX(m_Margins.left);
	return 0;
}

void CPrinter::SetDistance(int punkte)
{
	m_Abstand = punkte;
}

int CPrinter::StartPage()
{
	if (m_DC.StartPage() < 0) 
	{
		m_LastErrNo = PRERR_STARTPAGEFAILED;
		return (-1);
	}
	m_yCur = CALCY(m_Margins.top);
	m_xCur = CALCX(m_Margins.left);
	return 0;
}

void CPrinter::EndPage()
{
	m_DC.EndPage();  
}

void CPrinter::NewPage()
{
	m_DC.EndPage(); 
	m_DC.StartPage();
	m_yCur = CALCY(m_Margins.top);
	m_xCur = CALCX(m_Margins.left);
}

int CPrinter::GetWidth()
{
	return MulDiv(m_WorkSize.cx, 72, GetDeviceCaps(m_DC.m_hDC, LOGPIXELSX));
}

int CPrinter::GetStrSize(TCHAR *str, CSize &size)
{
	GetTextExtentPoint32(m_DC.GetSafeHdc(), str, _tcslen(str), &size);
	size.cx = MulDiv(size.cx, 72, GetDeviceCaps(m_DC.m_hDC, LOGPIXELSX));
	size.cy = MulDiv(size.cy, 72, GetDeviceCaps(m_DC.m_hDC, LOGPIXELSY));
	return 0;
}

void CPrinter::MoveTo(int xCur, int yCur)
{
	m_xCur = CALCX(m_Margins.left + xCur);
	m_yCur = CALCY(m_Margins.right + yCur);
}