lyfz_repos/经典版源码/kernelcode/MyEasyPrinter/lyfzEasyPrinter/EasyPrinter.cpp

#include "StdAfx.h"
#include "EasyPrinter.h"
#include <Shlwapi.h>

#ifdef _DEBUG
#define new DEBUG_NEW
#endif

ULONG CEasyPrinter::m_gdiplusToken = 0;
CEasyPrinter::CEasyPrinter(void)
{
	m_nPrintOrientation = 0;
	m_nOrientationLength = 0;
	m_pPrintDlg = NULL;
	m_PrinterDC = NULL;
	m_strCurPrinterName = _T("");
	m_CurPrinterDefaultPaperSize.cx = 0;
	m_CurPrinterDefaultPaperSize.cy = 0;
	m_lfDPIX = 0.0;
	m_lfDPIY = 0.0;
	m_lf72DPIMul = 0.0;
	m_pOldfont = NULL;
	m_hPrinter = NULL;
	GdiplusStartupInput gdiplusStartupInput;
	GdiplusStartup(&m_gdiplusToken, &gdiplusStartupInput, NULL);
}

CEasyPrinter::~CEasyPrinter(void)
{
	Gdiplus::GdiplusShutdown(m_gdiplusToken);
}


/************************************************************************/
/*  函数：SetTextFont[3/6/2017 Jeff];
/*  描述：设置文本字体;
/*  参数：;
/*  	[IN] nTextFontSize：字体大小;
/*  	[IN] bBold：是否粗体;
/*  	[IN] bItalic：是否斜体;
/*  	[IN] strTextFontName：字体名称，如楷体;
/*  返回：void;
/*  注意：;
/*  示例：;
/*
/*  修改：;
/*  日期：;
/*  内容：;
/************************************************************************/
void CEasyPrinter::SetTextFont(IN INT nTextFontSize, IN BOOL bBold, IN BOOL bItalic, IN TString strTextFontName)
{
	static LOGFONT lf;
	lf.lfHeight = CALC_FONT_HEIGHT(nTextFontSize);
	lf.lfWeight = 0;
	lf.lfEscapement = 0;
	lf.lfOrientation = 0;
	if (bBold)
		lf.lfWeight = FW_BLACK;
	else
		lf.lfWeight = FW_NORMAL;
	lf.lfItalic = bItalic;
	lf.lfUnderline = FALSE;
	lf.lfStrikeOut = 0;
	lf.lfCharSet = ANSI_CHARSET;
	lf.lfOutPrecision = OUT_DEFAULT_PRECIS;
	lf.lfClipPrecision = CLIP_DEFAULT_PRECIS;
	lf.lfQuality = DEFAULT_QUALITY;
	lf.lfPitchAndFamily = DEFAULT_PITCH | FF_ROMAN;

	_tcscpy_s(lf.lfFaceName, strTextFontName.c_str());
	if (m_cfont.GetSafeHandle())
	{// 是否初使用过;
		if (m_pOldfont)
			m_dcPrinter.SelectObject(m_pOldfont);
		m_cfont.DeleteObject();
	}
	// 创建字体;
	VERIFY(m_cfont.CreateFontIndirect(&lf));
	// 选入DC;
	//SelectObject(m_PrinterDC, &m_cfont);
	m_pOldfont = m_dcPrinter.SelectObject(&m_cfont);
}


/************************************************************************/
/*  函数：InitialzePrinter[3/6/2017 Jeff];
/*  描述：初始化打印机;
/*  参数：;
/*  	[IN] lpPrinterName：要被初始化的打印机;
/*  	[IN] bShowDlg：是否显示打印机对话框;
/*  	[IN/OUT] ：;
/*  返回：成功初始化打印返回true;
/*  注意：;
/*  示例：;
/*
/*  修改：;
/*  日期：;
/*  内容：;
/************************************************************************/
BOOL CEasyPrinter::InitialzePrinter(IN LPCTSTR lpPrinterName, IN BOOL bShowDlg)
{
	if (!m_pPrintDlg)
		delete m_pPrintDlg;

	// 重新创建打印机;
	m_pPrintDlg = new CPrintDialog(FALSE, PD_ALLPAGES | PD_NOPAGENUMS, NULL);

	try
	{
		if (lpPrinterName == NULL || lpPrinterName[0] == _T('\0'))
		{// 如果没有指定打印机,则使用系统默认打印机;
			if (!m_pPrintDlg->GetDefaults())
			{
				// 获取系统默认打印机失败;
				return FALSE;
			}
			// 获取当前打印机DC环境对象;
			m_PrinterDC = m_pPrintDlg->GetPrinterDC();
			if (m_dcPrinter.Attach(m_PrinterDC) == 0)
				return FALSE;
		}
		else
		{
			// 获取当前打印机DC环境对象;
			m_strCurPrinterName = lpPrinterName;
			//if ( (m_PrinterDC = CreateDC(NULL, lpPrinterName, NULL, NULL)) == NULL )
			if (m_dcPrinter.CreateDC(NULL, lpPrinterName, NULL, NULL) == NULL)
			{
				// 获取指定打印机DC环境对象失败;
				return FALSE;
			}
		}
	}
	catch (CException* e)
	{
#ifdef _DEBUG
		e->ReportError();
#endif
		e->Delete();
	}

	m_dcPrinter.m_bPrinting = TRUE;
	if (m_pPrintDlg)
		delete m_pPrintDlg;
	m_pPrintDlg = NULL;

	// 获取当前打印机的逻辑像素宽、高;
	m_CurPrinterDefaultPaperSize.cx = GetDeviceCaps(m_dcPrinter, HORZRES);
	m_CurPrinterDefaultPaperSize.cy = GetDeviceCaps(m_dcPrinter, VERTRES);

	// 打印机DPI Pixel per inch
	m_lfDPIX = GetDeviceCaps(m_dcPrinter, LOGPIXELSX);
	m_lfDPIY = GetDeviceCaps(m_dcPrinter, LOGPIXELSY); // Pixel per inch

	m_lf72DPIMul = m_lfDPIY/72.0;

	WriteTextLog(_T("当前打印机打印机DPI:x=%lf,y=%lf, 分辨率：x=%ld,y=%ld"), m_lfDPIX, m_lfDPIY, m_CurPrinterDefaultPaperSize.cx, m_CurPrinterDefaultPaperSize.cy);

	return TRUE;
}

/************************************************************************/
/*  函数：[3/22/2017 Jeff];
/*  描述：;
/*  参数：;
/*  	[IN] ：;
/*  	[OUT] ：;
/*  	[IN/OUT] ：;
/*  返回：void;
/*  注意：;
/*  示例：;
/*
/*  修改：;
/*  日期：;
/*  内容：;
/************************************************************************/
TString CEasyPrinter::GetDefaultPrinter()
{
	return "";
}

#ifdef _VER_WINAPI_
BOOL CEasyPrinter::InitPrinter(IN LPCTSTR lpPrinter /* = NULL */)
{
	TString strPrinter = _T("");
	if ( lpPrinter != NULL && lpPrinter[0] == '\0')
	{
		strPrinter = lpPrinter;
	}
	else
	{// 获取默认打印机;
		strPrinter = GetDefaultPrinter();
	}

	if ( m_hPrinter )
		ClosePrinter(m_hPrinter);

	if ( !OpenPrinter(strPrinter.c_str(), m_hPrinter, NULL) )
	{
		WriteTextLog(_T("打开打印机失败：%d"), GetLastError());
		return FALSE;
	}

	DWORD dwBytesReturned = 0, dwBytesNeeded = 0;
	GetPrinter(m_hPrinter, 2, NULL, 0, &dwBytesNeeded);
	if ( dwBytesNeeded == 0 )
	{
		return FALSE;
	}

	PRINTER_INFO_2 *p2 = (PRINTER_INFO_2*)GlobalAlloc(GPTR, dwBytesNeeded);
	if ( GetPrinter(m_hPrinter, 2, (LPBYTE)p2, dwBytesNeeded, &dwBytesReturned) == 0 )
	{
		GlobalFree(p2);
		ClosePrinter(m_hPrinter);
		WriteTextLog(_T("获取打印机失败:%d"), GetLastError());
		return FALSE;
	}
	ClosePrinter(m_hPrinter);

	// Allocate a global handle for DEVMODE
	HGLOBAL  hDevMode = GlobalAlloc(GHND, sizeof(*p2->pDevMode) +	p2->pDevMode->dmDriverExtra);
	//	ASSERT(hDevMode);
	DEVMODE* pDevMode = (DEVMODE*)GlobalLock(hDevMode);
	//	ASSERT(pDevMode);

	memcpy(pDevMode, p2->pDevMode, sizeof(*p2->pDevMode) + p2->pDevMode->dmDriverExtra);
	GlobalUnlock(hDevMode);

	if ( pDevMode->dmFields & DM_ORIENTATION )
	{
		m_PrinterDC = CreateDC(p2->pDriverName, p2->pPrinterName, p2->pPortName, pDevMode);
	}
	else
	{
		
	}

	return TRUE;
}
#endif

BOOL CEasyPrinter::StartPrint()
{
	CString			strTitle;	// Get the application title
	DOCINFO			di;         // Initialise print document details
	strTitle.LoadString(AFX_IDS_APP_TITLE);
	::ZeroMemory(&di, sizeof(DOCINFO));
	di.cbSize = sizeof(DOCINFO);
	di.lpszDocName = strTitle;

	// Begin a new print job
	//"winerror.h"  #define FAILED(Status) ((HRESULT)(Status)<0)
	if (m_dcPrinter.StartDoc(&di) <= 0)
		return FALSE;

	// Get the printing extents and store in the m_DimDraw fields
	m_CurPrinterDefaultPaperSize.cx = GetDeviceCaps(m_dcPrinter, HORZRES);
	m_CurPrinterDefaultPaperSize.cy = GetDeviceCaps(m_dcPrinter, VERTRES);

	return  TRUE;
}

void CEasyPrinter::EndofPrint()
{
	m_dcPrinter.EndDoc();
	m_dcPrinter.Detach();
}

BOOL CEasyPrinter::StartPage()
{
	if (m_dcPrinter.StartPage() < 0)
		return FALSE;

	return TRUE;
}

void CEasyPrinter::NewAnPage()
{
	m_dcPrinter.EndPage();
	m_dcPrinter.StartPage();
}

void CEasyPrinter::EndofPage()
{
	m_dcPrinter.EndPage();
}


BOOL CEasyPrinter::LoadTemplateFromJson(IN TString strTemplateJson)
{
	return ::LoadTemplateFromJson(m_printlist, strTemplateJson);
}

BOOL CEasyPrinter::LoadTemplateFromFile(IN TString strTemplateFile)
{
	return ::LoadTemplateFromFile(m_printlist, strTemplateFile);
}

void CEasyPrinter::SetPrinter(IN TString strPrinterName)
{
	m_printlist.strPrinterName = strPrinterName;
}

BOOL CEasyPrinter::LoadValuesFromJson(TString strJsonValues)
{
	return ::LoadValuesFromJson(m_printlist, strJsonValues);
}

BOOL CEasyPrinter::LoadValuesFromFile(IN TString strJsonFile)
{
	return ::LoadValuesFromFile(m_printlist, strJsonFile);
}