MFC在对话框中实现打印和打印预览

2024-08-21 21:28
文章标签 实现 预览 mfc 打印 对话框

本文主要是介绍MFC在对话框中实现打印和打印预览，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！

首先在这里感谢互联网的大哥们！同时我讨厌动不动就是要vip才能查看！所以我写的不需要vip就能看。只求点个赞。

直接上代码，新建6个文件CPrintFrame.cpp；CPrintFrame.h；CPrintPreviewView.cpp；CPrintPreviewView.h；CPrintView.cpp；CPrintView.h；

下面是代码

CPrintFrame.h

#pragma once// CPrintFrame 框架
#include "CPrintView.h"
#include "CertEditPage.h"
#include "DemarManageDlg.h"class CPrintFrame : public CFrameWnd
{DECLARE_DYNCREATE(CPrintFrame)
protected:CPrintFrame();           // 动态创建所使用的受保护的构造函数virtual ~CPrintFrame();public:CPrintFrame(CCertEditPage* pCCertEditPage, CDemarManageDlg* pDemarManageDlg, BOOL bPreview);CCertEditPage* m_pCCertEditPage;CPrintView* m_pCPrintView;CDemarManageDlg* m_pDemarManageDlg;BOOL m_bPreview;
protected:DECLARE_MESSAGE_MAP()
public:afx_msg int OnCreate(LPCREATESTRUCT lpCreateStruct);afx_msg void OnClose();void SetOrientation(short orientation);virtual BOOL PreCreateWindow(CREATESTRUCT& cs);virtual BOOL OnCmdMsg(UINT nID, int nCode, void* pExtra, AFX_CMDHANDLERINFO* pHandlerInfo);
};

CPrintFrame.cpp

// CPrintFrame.cpp: 实现文件
//#include "stdafx.h"
#include "CPrintFrame.h"// CPrintFrameIMPLEMENT_DYNCREATE(CPrintFrame, CFrameWnd)CPrintFrame::CPrintFrame():m_pCCertEditPage(NULL),m_pCPrintView(NULL), m_bPreview(TRUE)
{m_pCCertEditPage = NULL;
}CPrintFrame::CPrintFrame(CCertEditPage* pCCertEditPage, CDemarManageDlg* pDemarManageDlg,BOOL bPreview): m_pCCertEditPage(NULL), m_pCPrintView(NULL)
{m_bPreview = bPreview;m_pCCertEditPage = pCCertEditPage;m_pDemarManageDlg = pDemarManageDlg;CString title;if (m_bPreview)title = L"打印预览";elsetitle = L"打印";if (Create(NULL, title, WS_OVERLAPPEDWINDOW | FWS_ADDTOTITLE, CRect(200, 200, 500, 500))){//创建失败return;}SetOrientation(DMORIENT_LANDSCAPE);
}CPrintFrame::~CPrintFrame()
{//CWinApp* pApp = AfxGetApp();//pApp->m_pMainWnd = m_pDemarManageDlg;if (m_pCCertEditPage)m_pCCertEditPage->ShowWindow(SW_SHOW);
}BEGIN_MESSAGE_MAP(CPrintFrame, CFrameWnd)ON_WM_CREATE()ON_WM_CLOSE()
END_MESSAGE_MAP()// CPrintFrame 消息处理程序int CPrintFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)
{if (CFrameWnd::OnCreate(lpCreateStruct) == -1)return -1;if (!m_pCCertEditPage)return -1;// TODO:  在此添加您专用的创建代码CCreateContext context;context.m_pNewViewClass = RUNTIME_CLASS(CPrintView);context.m_pCurrentFrame = this;context.m_pCurrentDoc = NULL;context.m_pLastView = NULL;m_pCPrintView = STATIC_DOWNCAST(CPrintView, CreateView(&context));if (!m_pCPrintView)return -1;if (m_bPreview){m_pCPrintView->ShowWindow(SW_SHOW);}SetActiveView(m_pCPrintView);SetIcon(m_pCCertEditPage->GetIcon(FALSE), FALSE);SetIcon(m_pCCertEditPage->GetIcon(TRUE), TRUE);//ShowWindow(SW_MAXIMIZE);CRect rect;m_pCCertEditPage->GetWindowRect(rect);MoveWindow(rect);ShowWindow(SW_SHOW);m_pCPrintView->m_pCPrintFrame = this;CWinApp* pApp = AfxGetApp();pApp->m_pMainWnd = this;if (m_bPreview){m_pCPrintView->OnFilePrintPreview();m_pCCertEditPage->ShowWindow(SW_HIDE);}elsem_pCPrintView->SendMessage(WM_COMMAND, ID_FILE_PRINT);return 0;
}void CPrintFrame::OnClose()
{// TODO: 在此添加消息处理程序代码和/或调用默认值CWinApp* pApp = AfxGetApp();pApp->m_pMainWnd = m_pDemarManageDlg;this->DestroyWindow();//CFrameWnd::OnClose();
}
void CPrintFrame::SetOrientation(short orientation)
{PRINTDLG pd;pd.lStructSize = (DWORD)sizeof(PRINTDLG);BOOL bRet = AfxGetApp()->GetPrinterDeviceDefaults(&pd);if (bRet){LPDEVMODE lpDevMode = (LPDEVMODE) ::GlobalLock(pd.hDevMode);if (lpDevMode != NULL)lpDevMode->dmOrientation = orientation;::GlobalUnlock(pd.hDevMode);}
}BOOL CPrintFrame::PreCreateWindow(CREATESTRUCT& cs)
{// TODO: 在此添加专用代码和/或调用基类if (!CFrameWnd::PreCreateWindow(cs))return FALSE;// TODO: Modify the Window class or styles here by modifying//  the CREATESTRUCT cscs.dwExStyle &= ~WS_EX_CLIENTEDGE;cs.lpszClass = AfxRegisterWndClass(0);return TRUE;//return CFrameWnd::PreCreateWindow(cs);
}BOOL CPrintFrame::OnCmdMsg(UINT nID, int nCode, void* pExtra, AFX_CMDHANDLERINFO* pHandlerInfo)
{// TODO: 在此添加专用代码和/或调用基类if (m_pCPrintView && m_pCPrintView->OnCmdMsg(nID, nCode, pExtra, pHandlerInfo))return TRUE;return CFrameWnd::OnCmdMsg(nID, nCode, pExtra, pHandlerInfo);
}

CPrintView.h

#pragma once
#include <afxpriv.h>// CPrintView 视图class CPrintView : public CScrollView
{DECLARE_DYNCREATE(CPrintView)protected:CPrintView();           // 动态创建所使用的受保护的构造函数virtual ~CPrintView();public:
#ifdef _DEBUGvirtual void AssertValid() const;
#ifndef _WIN32_WCEvirtual void Dump(CDumpContext& dc) const;
#endif
#endifprotected:virtual void OnDraw(CDC* pDC);      // 重写以绘制该视图virtual void OnInitialUpdate();     // 构造后的第一次DECLARE_MESSAGE_MAP()
public:void SetPaper(short dmOrientation, short dmPaperSize);void OnFilePrintPreview();afx_msg void OnFilePrint();void DrawCertification(CDC* pDC, CPrintInfo* pInfo);virtual BOOL OnPreparePrinting(CPrintInfo* pInfo);virtual void OnPrint(CDC* pDC, CPrintInfo* pInfo);CFrameWnd* m_pCPrintFrame;virtual void OnEndPrintPreview(CDC* pDC, CPrintInfo* pInfo, POINT point, CPreviewView* pView);virtual void OnEndPrinting(CDC* pDC, CPrintInfo* pInfo);void DrawCardData(CDC* pDC, CPrintInfo* pInfo);afx_msg void OnClose();BOOL DoPrintPreview(UINT nIDResource, CView* pPrintView, CRuntimeClass* pPreviewViewClass, CPrintPreviewState* pState);
};

CPrintView.cpp

// CPrintView.cpp: 实现文件
//#include "stdafx.h"
#include "DemarManage.h"
#include "CPrintView.h"
#include "DemarManageDlg.h"
#include "CPrintFrame.h"
#include "CPrintPreviewView.h"
// CPrintViewIMPLEMENT_DYNCREATE(CPrintView, CScrollView)CPrintView::CPrintView():m_pCPrintFrame(NULL)
{m_nMapMode = MM_TEXT;}CPrintView::~CPrintView()
{
}BOOL CALLBACK _AfxMyPreviewCloseProc(CFrameWnd* pFrameWnd)
{ASSERT_VALID(pFrameWnd);CPrintPreviewView* pView = (CPrintPreviewView*)pFrameWnd->GetDlgItem(AFX_IDW_PANE_FIRST);ASSERT_KINDOF(CPrintPreviewView, pView);pView->OnPreviewClose();return FALSE;
}BEGIN_MESSAGE_MAP(CPrintView, CScrollView)ON_COMMAND(ID_FILE_PRINT_PREVIEW, &CPrintView::OnFilePrintPreview)ON_COMMAND(ID_FILE_PRINT, &CPrintView::OnFilePrint)ON_WM_CLOSE()
END_MESSAGE_MAP()// CPrintView 诊断#ifdef _DEBUG
void CPrintView::AssertValid() const
{CScrollView::AssertValid();
}#ifndef _WIN32_WCE
void CPrintView::Dump(CDumpContext& dc) const
{CScrollView::Dump(dc);
}
#endif
#endif //_DEBUG// CPrintView 绘图void CPrintView::OnInitialUpdate()
{CScrollView::OnInitialUpdate();CSize sizeTotal;// TODO:  计算此视图的合计大小sizeTotal.cx = sizeTotal.cy = 100;SetScrollSizes(MM_TEXT, sizeTotal);
}void CPrintView::OnDraw(CDC* pDC)
{CDocument* pDoc = GetDocument();// TODO:  在此添加绘制代码}/************************************************************************/
/* 设置纸张                                                              */
/************************************************************************/
void CPrintView::SetPaper(short dmOrientation, short dmPaperSize)
{PRINTDLG pd;pd.lStructSize = (DWORD)sizeof(PRINTDLG);BOOL bRet = AfxGetApp()->GetPrinterDeviceDefaults(&pd);if (bRet){LPDEVMODE lpDevMode = (LPDEVMODE) ::GlobalLock(pd.hDevMode);if (lpDevMode != NULL){lpDevMode->dmOrientation = dmOrientation;lpDevMode->dmPaperSize = dmPaperSize;}::GlobalUnlock(pd.hDevMode);}
}void CPrintView::OnFilePrintPreview()
{CPrintFrame* pCPrintFrame = (CPrintFrame*)m_pCPrintFrame;if (!pCPrintFrame || !pCPrintFrame->m_pCCertEditPage)return;switch (pCPrintFrame->m_pCCertEditPage->m_nPrintMode){case 1:SetPaper(DMORIENT_PORTRAIT, DMPAPER_A5);break;case 2:SetPaper(DMORIENT_PORTRAIT, DMPAPER_A5);break;case 4:SetPaper(DMORIENT_PORTRAIT, DMPAPER_A5);break;}//CView::OnFilePrintPreview();CPrintPreviewState* pState = new CPrintPreviewState;pState->lpfnCloseProc = _AfxMyPreviewCloseProc;if (!DoPrintPreview(AFX_IDD_PREVIEW_TOOLBAR, this, RUNTIME_CLASS(CPrintPreviewView), pState)){TRACE0("Error: DoPrintPreview failed.\n");AfxMessageBox(AFX_IDP_COMMAND_FAILURE);delete pState;}
}
BOOL CPrintView::DoPrintPreview(UINT nIDResource, CView* pPrintView, CRuntimeClass* pPreviewViewClass, CPrintPreviewState* pState)
{ASSERT_VALID_IDR(nIDResource);if (!m_pCPrintFrame || !pPrintView || !pPreviewViewClass)return FALSE;ASSERT(pPreviewViewClass->IsDerivedFrom(RUNTIME_CLASS(CPreviewView)));if(!pState)return FALSE;CCreateContext context;context.m_pCurrentFrame = m_pCPrintFrame;context.m_pCurrentDoc = GetDocument();context.m_pLastView = this;// Create the preview view objectCPrintPreviewView* pView = (CPrintPreviewView*)pPreviewViewClass->CreateObject();if (!pView){TRACE0("Error: Failed to create preview view.\n");return FALSE;}ASSERT_KINDOF(CPreviewView, pView);pView->m_pPreviewState = pState;        // save pointerm_pCPrintFrame->OnSetPreviewMode(TRUE, pState);    // Take over Frame Window//Create the toolbar from the dialog resourcepView->m_pToolBar = new CDialogBar;if (!pView->m_pToolBar->Create(m_pCPrintFrame, MAKEINTRESOURCE(nIDResource),CBRS_TOP, AFX_IDW_PREVIEW_BAR)){TRACE0("Error: Preview could not create toolbar dialog.\n");m_pCPrintFrame->OnSetPreviewMode(FALSE, pState);   // restore Frame Windowdelete pView->m_pToolBar;       // not autodestruct yetpView->m_pToolBar = NULL;pView->m_pPreviewState = NULL;  // do not delete state structuredelete pView;return FALSE;}pView->m_pToolBar->m_bAutoDelete = TRUE;    // automatic cleanupif (!pView->Create(NULL, NULL, AFX_WS_DEFAULT_VIEW,CRect(0, 0, 0, 0), m_pCPrintFrame, AFX_IDW_PANE_FIRST, &context)){TRACE0("Error: couldn't create preview view for frame.\n");m_pCPrintFrame->OnSetPreviewMode(FALSE, pState);   // restore Frame WindowpView->m_pPreviewState = NULL;  // do not delete state structuredelete pView;return FALSE;}pState->pViewActiveOld = m_pCPrintFrame->GetActiveView();CPrintView* pActiveView = (CPrintView*)m_pCPrintFrame->GetActiveFrame()->GetActiveView();if (pActiveView != NULL)pActiveView->OnActivateView(FALSE, pActiveView, pActiveView);if (!pView->SetPrintView(pPrintView)){pView->OnPreviewClose();return TRUE;            // signal that OnEndPrintPreview was called}m_pCPrintFrame->SetActiveView(pView);  // set active view - even for MDI// update toolbar and redraw everythingpView->m_pToolBar->SendMessage(WM_IDLEUPDATECMDUI, (WPARAM)TRUE);m_pCPrintFrame->RecalcLayout();            // position and size everythingm_pCPrintFrame->UpdateWindow();return TRUE;
}void CPrintView::OnFilePrint()
{// TODO: 在此添加命令处理程序代码CPrintFrame* pCPrintFrame = (CPrintFrame*)m_pCPrintFrame;if (!pCPrintFrame || !pCPrintFrame->m_pCCertEditPage)return;if (!pCPrintFrame->m_bPreview)pCPrintFrame->ShowWindow(SW_HIDE);switch (pCPrintFrame->m_pCCertEditPage->m_nPrintMode){case 1:SetPaper(DMORIENT_PORTRAIT, DMPAPER_A5);break;case 2:SetPaper(DMORIENT_PORTRAIT, DMPAPER_A5);break;case 4:SetPaper(DMORIENT_PORTRAIT, DMPAPER_A5);break;}CView::OnFilePrint();if (!pCPrintFrame->m_bPreview){CWinApp* pApp = AfxGetApp();pApp->m_pMainWnd = pCPrintFrame->m_pDemarManageDlg;pCPrintFrame->DestroyWindow();}
}void CPrintView::DrawCertification(CDC* pDC, CPrintInfo* pInfo)
{if (!pDC)return;CPrintFrame* pCPrintFrame = (CPrintFrame*)m_pCPrintFrame;if(!pCPrintFrame || !pCPrintFrame->m_pDemarManageDlg)return;POINT point = { 0, 0 };SIZE size = { pDC->GetDeviceCaps(HORZRES),pDC->GetDeviceCaps(VERTRES) };CRect clientRect(point, size);double nLeftSpace(0.8), nTopSpace(0.8), nRightSpace(0.8), nBottomSpace(0.8);int iLeftSpace(0), iTopSpace(0), iRightSpace(0), iBottomSpace(0);iLeftSpace = (int)Transfer::Cm2Unit(Transfer::GetScale(pDC, LOGPIXELSX),nLeftSpace);iTopSpace = (int)Transfer::Cm2Unit(Transfer::GetScale(pDC, LOGPIXELSY),nTopSpace);iRightSpace = (int)Transfer::Cm2Unit(Transfer::GetScale(pDC, LOGPIXELSX),nRightSpace);iBottomSpace = (int)Transfer::Cm2Unit(Transfer::GetScale(pDC, LOGPIXELSY),nBottomSpace);//这里添加打印代码，打印自己想要的
}BOOL CPrintView::OnPreparePrinting(CPrintInfo* pInfo)
{CPrintFrame* pCPrintFrame = (CPrintFrame*)m_pCPrintFrame;if (!pCPrintFrame || !pCPrintFrame->m_pCCertEditPage)return FALSE;// TODO:  调用 DoPreparePrinting 以调用“打印”对话框switch (pCPrintFrame->m_pCCertEditPage->m_nPrintMode){case 1:pInfo->SetMaxPage(1);pInfo->m_bDirect = FALSE;break;case 2:pInfo->SetMaxPage(1);pInfo->m_bDirect = FALSE;break;case 4:pInfo->SetMaxPage(2);pInfo->m_bDirect = FALSE;break;default:break;}return DoPreparePrinting(pInfo);
}void CPrintView::OnPrint(CDC* pDC, CPrintInfo* pInfo)
{// TODO: 在此添加专用代码和/或调用基类CPrintFrame* pCPrintFrame = (CPrintFrame*)m_pCPrintFrame;if (!pCPrintFrame || !pCPrintFrame->m_pCCertEditPage)return;switch (pCPrintFrame->m_pCCertEditPage->m_nPrintMode){case 1:DrawCertification(pDC, pInfo);break;case 2:DrawCardData(pDC, pInfo);break;case 4:if (pInfo->m_nCurPage == 1)DrawCertification(pDC, pInfo);else if (pInfo->m_nCurPage == 2)DrawCardData(pDC, pInfo);break;default:break;}//CScrollView::OnPrint(pDC, pInfo);
}void CPrintView::OnEndPrintPreview(CDC* pDC, CPrintInfo* pInfo, POINT point, CPreviewView* pView)
{// TODO: 在此添加专用代码和/或调用基类if (!m_pCPrintFrame || !pView || !pDC)return;//pInfo->m_nCurPage = 1;//CScrollView::OnEndPrintPreview(pDC, pInfo, point, pView);CPrintPreviewView* pCPrintPreviewView = (CPrintPreviewView*)pView;if (!pCPrintPreviewView->m_pPrintView)OnEndPrinting(pDC, pInfo);// restore the old main windowm_pCPrintFrame->OnSetPreviewMode(FALSE, pCPrintPreviewView->m_pPreviewState);// Force active view back to old onem_pCPrintFrame->SetActiveView(pCPrintPreviewView->m_pPreviewState->pViewActiveOld);if (m_pCPrintFrame != GetParentFrame())OnActivateView(TRUE, this, this);pView->DestroyWindow();m_pCPrintFrame->RecalcLayout();m_pCPrintFrame->SendMessage(WM_SETMESSAGESTRING, (WPARAM)AFX_IDS_IDLEMESSAGE, 0L);m_pCPrintFrame->UpdateWindow();
}void CPrintView::OnEndPrinting(CDC* pDC, CPrintInfo* pInfo)
{// TODO: 在此添加专用代码和/或调用基类CScrollView::OnEndPrinting(pDC, pInfo);//CPrintFrame* pCPrintFrame = (CPrintFrame*)m_pCPrintFrame;//if (!pCPrintFrame || !pCPrintFrame->m_pDemarManageDlg)//	return;//if(pInfo->m_bPreview == 0)//	pCPrintFrame->PostMessageW(WM_CLOSE);
}
void CPrintView::DrawCardData(CDC* pDC, CPrintInfo* pInfo)
{if (!pDC || !pInfo) return;CPrintFrame* pMainFrm = (CPrintFrame*)m_pCPrintFrame;if (!pMainFrm) return;POINT point = { 0, 0 };SIZE size = { pDC->GetDeviceCaps(HORZRES),pDC->GetDeviceCaps(VERTRES) };CRect clientRect(point, size);chartParam.m_showRect = clientRect;double nLeftSpace(0.8), nTopSpace(0.8), nRightSpace(0.8), nBottomSpace(0.8);int iLeftSpace(0), iTopSpace(0), iRightSpace(0), iBottomSpace(0);iLeftSpace = (int)Transfer::Cm2Unit(Transfer::GetScale(pDC, LOGPIXELSX),nLeftSpace);iTopSpace = (int)Transfer::Cm2Unit(Transfer::GetScale(pDC, LOGPIXELSY),nTopSpace);iRightSpace = (int)Transfer::Cm2Unit(Transfer::GetScale(pDC, LOGPIXELSX),nRightSpace);iBottomSpace = (int)Transfer::Cm2Unit(Transfer::GetScale(pDC, LOGPIXELSY),nBottomSpace);//这里添加打印代码，打印自己想要的}void CPrintView::OnClose()
{// TODO: 在此添加消息处理程序代码和/或调用默认值CScrollView::OnClose();
}

CPrintPreviewView.h

#pragma once// CPrintPreviewView 视图class CPrintPreviewView : public CPreviewView
{DECLARE_DYNCREATE(CPrintPreviewView)protected:CPrintPreviewView();           // 动态创建所使用的受保护的构造函数virtual ~CPrintPreviewView();public:
#ifdef _DEBUGvirtual void AssertValid() const;
#ifndef _WIN32_WCEvirtual void Dump(CDumpContext& dc) const;
#endif
#endiffriend class CPrintView;
protected:DECLARE_MESSAGE_MAP()afx_msg void OnPreviewClose();afx_msg void OnPreviewPrint();friend BOOL CALLBACK _AfxMyPreviewCloseProc(CFrameWnd* pFrameWnd);virtual void OnDraw(CDC* pDC);
};

CPrintPreviewView.cpp

// CPrintPreviewView.cpp: 实现文件
//#include "stdafx.h"
#include "DemarManage.h"
#include "CPrintPreviewView.h"// CPrintPreviewViewIMPLEMENT_DYNCREATE(CPrintPreviewView, CPreviewView)CPrintPreviewView::CPrintPreviewView()
{}CPrintPreviewView::~CPrintPreviewView()
{
}BEGIN_MESSAGE_MAP(CPrintPreviewView, CPreviewView)ON_COMMAND(AFX_ID_PREVIEW_CLOSE, OnPreviewClose)ON_COMMAND(AFX_ID_PREVIEW_PRINT, OnPreviewPrint)
END_MESSAGE_MAP()// CPrintPreviewView 诊断#ifdef _DEBUG
void CPrintPreviewView::AssertValid() const
{CPreviewView::AssertValid();
}#ifndef _WIN32_WCE
void CPrintPreviewView::Dump(CDumpContext& dc) const
{CPreviewView::Dump(dc);
}
#endif
#endif //_DEBUG// CPrintPreviewView 消息处理程序
#include "CPrintFrame.h"
void CPrintPreviewView::OnPreviewClose()
{CPrintFrame* pf = (CPrintFrame*)::AfxGetMainWnd();CWinApp * pApp = AfxGetApp();pApp->m_pMainWnd = pf->m_pDemarManageDlg;pf->DestroyWindow();
}void CPrintPreviewView::OnPreviewPrint()
{m_pPrintView->SendMessage(WM_COMMAND, ID_FILE_PRINT);OnPreviewClose();
}void CPrintPreviewView::OnDraw(CDC* pDC)
{// TODO: 在此添加专用代码和/或调用基类CPreviewView::OnDraw(pDC);m_pToolBar->PostMessage(WM_IDLEUPDATECMDUI, (WPARAM)TRUE);// 控制条的命令状态更新
}

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Golang实现Redis分布式锁(Lua脚本+可重入+自动续期)

Golang实现Redis分布式锁(Lua脚本+可重入+自动续期)

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golang 对象池sync.Pool的实现

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《golang对象池sync.Pool的实现》：本文主要介绍golang对象池sync.Pool的实现,用于缓存和复用临时对象,以减少内存分配和垃圾回收的压力,下面就来介绍一下,感兴趣的可以了解... 目录sync.Pool的用法原理sync.Pool 的使用示例sync.Pool 的使用场景注意sync.
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IDEA实现回退提交的git代码(四种常见场景)

IDEA实现回退提交的git代码(四种常见场景)

《IDEA实现回退提交的git代码(四种常见场景)》：本文主要介绍IDEA实现回退提交的git代码(四种常见场景),具有很好的参考价值,希望对大家有所帮助,如有错误或未考虑完全的地方,望不吝赐教... 目录1.已提交commit,还未push到远端(Undo Commit)2.已提交commit并push到
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