pictureview.cpp

来自「Visual_C++.NET实用编程百例」· C++ 代码 · 共 191 行

// pictureView.cpp : CpictureView 类的实现
//

#include "stdafx.h"
#include "picture.h"

#include "pictureDoc.h"
#include "pictureView.h"
#include ".\pictureview.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif


// CpictureView

IMPLEMENT_DYNCREATE(CpictureView, CView)

BEGIN_MESSAGE_MAP(CpictureView, CView)
	// 标准打印命令
	ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
	ON_COMMAND(ID_VIEW, OnView)
	ON_COMMAND(ID_ZOOM, OnZoom)
	ON_COMMAND(ID_ROTATE, OnRotate)
	ON_COMMAND(ID_HORIZON, OnHorizon)
END_MESSAGE_MAP()

// CpictureView 构造/析构

CpictureView::CpictureView()
{
	// TODO: 在此处添加构造代码
flag =0;
}

CpictureView::~CpictureView()
{
}

BOOL CpictureView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: 在此处通过修改 CREATESTRUCT cs 来修改窗口类或
	// 样式

	return CView::PreCreateWindow(cs);
}

// CpictureView 绘制

void CpictureView::OnDraw(CDC* pDC)
{
	CpictureDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	if (!pDoc)
		return;
	switch(flag)
	{
	case 0:
		draw1(pDC);
		break;
	case 1:
		draw2(pDC);
		break;
	case 2:
		draw3(pDC);
		break;
	case 3:
		draw4(pDC);
		break;
	default:
		break;
	}
	// TODO: 在此处为本机数据添加绘制代码
}
void CpictureView::draw1(CDC* pDC)
{
	// TODO: 在此添加命令处理程序代码
	using namespace Gdiplus;
	Graphics graphics(pDC->m_hDC);
	Image m_Image1(L"123456.bmp");
	graphics.DrawImage(&m_Image1,0,0,m_Image1.GetWidth(),m_Image1.GetHeight());
	graphics.ReleaseHDC(pDC->m_hDC);
}
void CpictureView::draw2(CDC* pDC)
{
	// TODO: 在此添加命令处理程序代码
	using namespace Gdiplus;
	Graphics graphics(pDC->m_hDC);
	Image m_Image1(L"123456.bmp");
	graphics.DrawImage(&m_Image1,0,0,m_Image1.GetWidth(),m_Image1.GetHeight());
	//设置目标区域比原始图像大50%
	Rect dest(150,0,1.5*m_Image1.GetWidth(),1.5*m_Image1.GetHeight());
	graphics.DrawImage (&m_Image1,dest);
	graphics.ReleaseHDC(pDC->m_hDC);
}
void CpictureView::draw3(CDC* pDC)
{
	// TODO: 在此添加命令处理程序代码
	using namespace Gdiplus;
	Graphics graphics(pDC->m_hDC);
	Image m_Image1(L"123456.bmp");
	graphics.DrawImage(&m_Image1,0,0,m_Image1.GetWidth(),m_Image1.GetHeight());
	Point destP[]={Point(200,50),Point(150,150),Point(300,80)};
	graphics.DrawImage(&m_Image1,destP,3);
	graphics.ReleaseHDC(pDC->m_hDC);
}
void CpictureView::draw4(CDC* pDC)
{
	// TODO: 在此添加命令处理程序代码
	using namespace Gdiplus;
	Graphics graphics(pDC->m_hDC);
	Image m_Image1(L"123456.bmp");
	graphics.DrawImage(&m_Image1,0,0,m_Image1.GetWidth(),m_Image1.GetHeight());
	Point destP[]={Point(284,0),Point(150,0),Point(284,160)};
	graphics.DrawImage(&m_Image1,destP,3);
	graphics.ReleaseHDC(pDC->m_hDC);
}



// CpictureView 打印

BOOL CpictureView::OnPreparePrinting(CPrintInfo* pInfo)
{
	// 默认准备
	return DoPreparePrinting(pInfo);
}

void CpictureView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: 打印前添加额外的初始化
}

void CpictureView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: 打印后添加清除过程
}


// CpictureView 诊断

#ifdef _DEBUG
void CpictureView::AssertValid() const
{
	CView::AssertValid();
}

void CpictureView::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

CpictureDoc* CpictureView::GetDocument() const // 非调试版本是内联的
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CpictureDoc)));
	return (CpictureDoc*)m_pDocument;
}
#endif //_DEBUG


// CpictureView 消息处理程序

void CpictureView::OnView()
{
	// TODO: 在此添加命令处理程序代码
	flag = 0;
	Invalidate();
}
void CpictureView::OnZoom()
{
	// TODO: 在此添加命令处理程序代码
	flag = 1;
	Invalidate();
}
void CpictureView::OnRotate()
{
	// TODO: 在此添加命令处理程序代码
	flag = 2;
	Invalidate();
}
void CpictureView::OnHorizon()
{
	// TODO: 在此添加命令处理程序代码
	flag = 3;
	Invalidate();
}