// HEIHEIHEIView.h : CHEIHEIHEIView 类的接口
//


#pragma once


class CHEIHEIHEIView : public CView
{
    
protected: // 仅从序列化创建
    CHEIHEIHEIView();
    DECLARE_DYNCREATE(CHEIHEIHEIView)

// 属性
public:
    CHEIHEIHEIDoc* GetDocument() const;
    
private:
    CPoint firstPoint;
    BOOL lButtonDown;


    //自己添加的属性
    HGLRC m_hrc;    //RC句柄
    CClientDC*    m_pDC;    //DC句柄

    CPoint points[100];
    int count;

// 操作
public:
    void DrawPic(void);
static    UINT Fun(LPVOID lpParamter);

// 重写
public:
    virtual void OnDraw(CDC* pDC);  // 重写以绘制该视图
    virtual BOOL PreCreateWindow(CREATESTRUCT& cs);
protected:

// 实现
public:
    virtual ~CHEIHEIHEIView();
#ifdef _DEBUG
    virtual void AssertValid() const;
    virtual void Dump(CDumpContext& dc) const;
#endif

protected:

// 生成的消息映射函数
protected:
    DECLARE_MESSAGE_MAP()
public:
    afx_msg int OnCreate(LPCREATESTRUCT lpCreateStruct);
    afx_msg void OnDestroy();
    afx_msg void OnPaint();
    afx_msg void OnTimer(UINT_PTR nIDEvent);
    afx_msg void OnSize(UINT nType, int cx, int cy);
};

#ifndef _DEBUG  // HEIHEIHEIView.cpp 中的调试版本
inline CHEIHEIHEIDoc* CHEIHEIHEIView::GetDocument() const
   { return reinterpret_cast<CHEIHEIHEIDoc*>(m_pDocument); }
#endif

// HEIHEIHEIView.cpp : CHEIHEIHEIView 类的实现
//

#include "stdafx.h"
#include "HEIHEIHEI.h"

#include "HEIHEIHEIDoc.h"
#include "HEIHEIHEIView.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif


// CHEIHEIHEIView

IMPLEMENT_DYNCREATE(CHEIHEIHEIView, CView)

BEGIN_MESSAGE_MAP(CHEIHEIHEIView, CView)
    ON_WM_CREATE()
    ON_WM_DESTROY()
    ON_WM_PAINT()
    ON_WM_TIMER()
    ON_WM_SIZE()
END_MESSAGE_MAP()

// CHEIHEIHEIView 构造/析构

CHEIHEIHEIView::CHEIHEIHEIView()
{
    // TODO: 在此处添加构造代码
    count = 0;
    for(int i=0; i<100; i++){
        points[i].x = i;
        points[i].y = 100;
    }
}

CHEIHEIHEIView::~CHEIHEIHEIView()
{
}

BOOL CHEIHEIHEIView::PreCreateWindow(CREATESTRUCT& cs)
{
    // TODO: 在此处通过修改
    //  CREATESTRUCT cs 来修改窗口类或样式
    cs.style |= WS_CLIPSIBLINGS | WS_CLIPCHILDREN;    // 不要画到兄弟窗口或字窗口
    return CView::PreCreateWindow(cs);
}

// CHEIHEIHEIView 绘制

void CHEIHEIHEIView::OnDraw(CDC* /*pDC*/)
{
    CHEIHEIHEIDoc* pDoc = GetDocument();
    ASSERT_VALID(pDoc);
    if (!pDoc)
        return;

    // TODO: 在此处为本机数据添加绘制代码
    
}


// CHEIHEIHEIView 诊断

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

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

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


// CHEIHEIHEIView 消息处理程序

int CHEIHEIHEIView::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
    if (CView::OnCreate(lpCreateStruct) == -1)
        return -1;

    // TODO:  在此添加您专用的创建代码

    //设置RC像素格式

    int pixelformat;
    m_pDC = new CClientDC(this);    //在客户区作图，获得设备描述符DC;
    ASSERT(m_pDC != NULL);
    
    
    static PIXELFORMATDESCRIPTOR pfd = {
    
        sizeof(PIXELFORMATDESCRIPTOR),
        1,
        PFD_DRAW_TO_WINDOW |
        PFD_SUPPORT_OPENGL,
        PFD_TYPE_RGBA,
        16,
        0,0,0,0,0,0,
        0,
        0,
        0,
        0,0,0,0,
        32,
        0,
        0,
        PFD_MAIN_PLANE,
        0,
        0,0,0
    
    };

    if((pixelformat = ChoosePixelFormat(m_pDC->GetSafeHdc(), &pfd )) == 0 ){
        MessageBox(L"在该DC上找不到于PFD接近的位图结构");
        return FALSE;
    }
    
    int nRet = SetPixelFormat(m_pDC->GetSafeHdc(), pixelformat, &pfd);
    if ( nRet == FALSE)//测试硬件是否支持该pdf
    {
        MessageBox(L"无法在该DC上设置位图结构");
        DWORD err = GetLastError();
        //return FALSE;
    }

    m_hrc = wglCreateContext(m_pDC->GetSafeHdc());
    wglMakeCurrent(m_pDC->GetSafeHdc(),m_hrc);

    //SetTimer(1,10000,NULL);
    return 0;
}

void CHEIHEIHEIView::OnDestroy()
{
    CView::OnDestroy();

    // TODO: 在此处添加消息处理程序代码

    if(wglGetCurrentContext()!=NULL) //释放RC以及DC
        ::wglMakeCurrent(NULL,  NULL);
    if (m_hrc)
        ::wglDeleteContext(m_hrc);
    if (m_pDC)
        delete m_pDC;

}

void CHEIHEIHEIView::OnPaint()
{
    //CPaintDC dc(this); // device context for painting
    // TODO: 在此处添加消息处理程序代码
    // 不为绘图消息调用 CView::OnPaint();

    DrawPic();
    //Sleep(40);

}

void CHEIHEIHEIView::OnTimer(UINT_PTR nIDEvent)
{
    // TODO: 在此添加消息处理程序代码和/或调用默认值
    MessageBox(L"hello");
    CView::OnTimer(nIDEvent);
}

void CHEIHEIHEIView::OnSize(UINT nType, int cx, int cy)
{
    CView::OnSize(nType, cx, cy);

    // TODO: 在此处添加消息处理程序代码
    glViewport(0, 0, cx, cy);

}

void CHEIHEIHEIView::DrawPic(){
    count += 1;
    glClear(GL_COLOR_BUFFER_BIT);
    glBegin(GL_LINE_STRIP);
    glColor3f(1,0,0);

    if(count<=100){
        for(int i=0; i<count; i++){
            glVertex2f(points[i].x, points[i].y);
        }
    }else{
        count = 0;
    }

    glEnd();
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    glOrtho(0,100,99,101,-1,1);
    glFlush();
}