📄 rj050119view.cpp
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// RJ050119View.cpp : implementation of the CRJ050119View class
//
#include "stdafx.h"
#include "RJ050119.h"
//#include "CColrDialog.h"
#include "RJ050119Doc.h"
#include "RJ050119View.h"
#include "RadiusDialog.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CRJ050119View
IMPLEMENT_DYNCREATE(CRJ050119View, CView)
BEGIN_MESSAGE_MAP(CRJ050119View, CView)
//{{AFX_MSG_MAP(CRJ050119View)
ON_WM_CONTEXTMENU()
ON_WM_LBUTTONDOWN()
ON_WM_MOUSEMOVE()
ON_WM_LBUTTONUP()
ON_COMMAND(ID_EDIT_INPUTRADIUS, OnEditInputradius)
ON_COMMAND(ID_VIEW_FONT, OnViewFont)
ON_WM_TIMER()
//}}AFX_MSG_MAP
// Standard printing commands
ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)
ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint)
ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CRJ050119View construction/destruction
CRJ050119View::CRJ050119View()
{
// TODO: add construction code here
m_bDragging=false;
m_hCross=AfxGetApp()->LoadStandardCursor(IDC_CROSS);
m_nCViewRadius=0;
}
CRJ050119View::~CRJ050119View()
{
}
BOOL CRJ050119View::PreCreateWindow(CREATESTRUCT& cs)
{
// TODO: Modify the Window class or styles here by modifying
// the CREATESTRUCT cs
return CView::PreCreateWindow(cs);
}
/////////////////////////////////////////////////////////////////////////////
// CRJ050119View drawing
void CRJ050119View::OnDraw(CDC* pDC)
{
CRJ050119Doc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
// TODO: add draw code for native data here
pDC->TextOut(100,400,"这是一个单文档程序!");//在坐标(100,400)处显示文本
int yLeft[5]={0,70,140,210,280};
int yRight[5]={70,140,210,280,350};
for(int m=1;m<=5;m++) //绘制4个纵向整齐排列的椭圆
pDC->Ellipse(300,yLeft[m],400,yRight[m]);
for(int i=0;i<pDoc->m_nCoins;i++) //绘制硬币
{
int y=200-10*i;
pDC->Ellipse(200,y,300,y-40); //用两个偏移的椭圆来表示一枚硬币
pDC->Ellipse(200,y-10,300,y-45);
}
CString strCoins; //先获得主窗口，再获得状态栏的指针
CStatusBar*pStatus=(CStatusBar*)AfxGetApp()->m_pMainWnd->GetDescendantWindow(ID_VIEW_STATUS_BAR);
if(pStatus)
{
strCoins.Format("硬币: %d",pDoc->m_nCoins);//设置要显示的信息
pStatus->SetPaneText(1,strCoins);//显示硬币数量，面板编号从0开始
}
//pDoc->SetModifiedFlag();
pDC->Ellipse(300,300,2*m_nCViewRadius+100,2*m_nCViewRadius+300);//绘制圆
///////////////////////////////////////////////////////
CPen * pPenOld,PenNew;
int nPenStyle[]={ //不同样式的画笔
PS_SOLID,
PS_DOT,
PS_DASH,
PS_DASHDOT,
PS_DASHDOTDOT,
PS_NULL,
PS_INSIDEFRAME,
};
char * strStyle[]={"Solid","Dot","Dash","DashDot","DashDotDot","Null","InsidenFrame"};
pDC->TextOut(60,10,"用不同样式的画笔绘图");
for(int j=0;j<7;j++) //用不同格式的画笔绘图
{
if(PenNew.CreatePen(nPenStyle[j],1,RGB(0,0,0)))
{
pPenOld=pDC->SelectObject(&PenNew); //选择创建的画笔
pDC->TextOut(10,30+20*j,strStyle[j]);
pDC->MoveTo(100,40+20*j);
pDC->LineTo(200,40+20*j);
pDC->SelectObject(pPenOld); //恢复设备环境中原来的画笔
PenNew.DeleteObject(); //删除底层的GDI对象
}
else
{
MessageBox("不能创建画笔!");
}
}
char * strWidth[]={"1","2","3","4","5","6","7"};
pDC->TextOut(260,10,"用不同宽度的画笔绘图");
for( j=0;j<7;j++) //用不同宽度的画笔绘图
{
if(PenNew.CreatePen(PS_SOLID,j+1,RGB(0,0,0)))//创建新的画笔
{
pPenOld=pDC->SelectObject(&PenNew); //选择创建的画笔
pDC->TextOut(260,30+20*j,strWidth[j]);
pDC->MoveTo(300,40+20*j);
pDC->LineTo(400,40+20*j);
pDC->SelectObject(pPenOld); //恢复设备环境中原来的画笔
PenNew.DeleteObject(); //删除底层的GDI对象
}
else
{
MessageBox("不能创建画笔!");
}
}
char * strColor[]={"红","绿","蓝","黄","紫","青","灰"};
COLORREF rgbPenClr[]={RGB(255,0,0),RGB(0,255,0),RGB(0,0,255),RGB(255,255,0),RGB(255,0,255),RGB(0,255,255),RGB(192,192,192)};
pDC->TextOut(460,10,"用不同颜色的画笔绘图");
for(j=0;j<7;j++) //用不同颜色的画笔绘图
{
CPen * pPenNew=new CPen(PS_SOLID,2,rgbPenClr[j]);//创建画笔的另一种方法
pPenOld=pDC->SelectObject(pPenNew); //选择创建的画笔
pDC->TextOut(460,30+20*j,strColor[j]);
pDC->MoveTo(500,40+20*j);
pDC->LineTo(600,40+20*j);
pDC->SelectObject(pPenOld); //恢复设备环境中原来的画笔
delete pPenNew; //自动删除底层的GDI对象
}
//////////////////////////////////////////////////////////////////
CBrush *pBrhOld;//创建画刷
pBrhOld=(CBrush*)pDC->SelectStockObject(LTGRAY_BRUSH);
pDC->RoundRect(610,30,720,100,20,20);//绘制圆角矩形
pDC->Arc(10,200,200,300,200,250,20,200); //绘制椭圆弧
pDC->Chord(620,320,740,240,720,360,620,380);//绘制弦形
pDC->SelectObject(pBrhOld);//恢复系统默认的画刷
//////////////////////////////////////////////////////////////////
TEXTMETRIC tm; // 字体信息结构
int y=10; //输出文本的Y坐标
CFont fntZdy,*pfntOld;
pfntOld=(CFont *)pDC->SelectStockObject(DEVICE_DEFAULT_FONT);//选择堆字体
pDC->TextOut(0,y+200," Device Default Font!");
pDC->GetTextMetrics(&tm); //获取字体信息tm
y=y+tm.tmHeight+tm.tmExternalLeading;
fntZdy.CreatePointFont(200,"Time New Roman",pDC);
pfntOld=pDC->SelectObject(&fntZdy); //选入设备环境
pDC->SetTextColor(RGB(0,0,255)); //设置文本颜色为蓝色
pDC->TextOut(0,y+230," 20 pt Time New Roman Font!");
pDC->GetTextMetrics(&tm);
y=y+tm.tmHeight+tm.tmExternalLeading;
fntZdy.DeleteObject(); //删除创建的字体
LOGFONT LogFnt={ //定义新的字体
30,
24,
0,0,
FW_HEAVY,
1,
1,
0,
ANSI_CHARSET,
OUT_DEFAULT_PRECIS,
CLIP_DEFAULT_PRECIS,
DEFAULT_QUALITY,
DEFAULT_PITCH,
"Arial" //匹配的字体
};
fntZdy.CreateFontIndirect(&LogFnt); //创建字体
pDC->SelectObject(&fntZdy);
pDC->SetTextColor(RGB(255,0,0)); //设置文本颜色为红色
pDC->TextOut(0,y+250,"LOGFONT Font!");
pDC->GetTextMetrics(&tm);
y=y+tm.tmHeight+tm.tmExternalLeading;
fntZdy.DeleteObject();
pDC->SelectObject(pfntOld);//恢复系统原来字体
////////////////////////////////////////////////////////////////////////
CFont * pfntold=pDC->SelectObject(&m_fontDlg); //设置字体
pDC->SetTextColor(m_clrText); //设置文本颜色
pDC->TextOut(350,350,"使用通用字体对话框设置字体!");
pDC->SelectObject(pfntold);
////////////////////////////////////////////////////////////////////////
CDC MemDC;
MemDC.CreateCompatibleDC(pDC);//创建一个内存设备环境
CBitmap Bitmap;
Bitmap.LoadBitmap(IDB_MYBITMAP);//装入BMP格式的位图资源
CBitmap *pOldBitmap=MemDC.SelectObject(&Bitmap);//将位图对象选入设备环境
BITMAP bm;
Bitmap.GetObject(sizeof(BITMAP),&bm); //读取位图信息
pDC->BitBlt(400,180,bm.bmWidth,bm.bmHeight,&MemDC,0,0,SRCCOPY);
MemDC.SelectObject(pOldBitmap); //恢复原来的位图对象
}
/////////////////////////////////////////////////////////////////////////////
// CRJ050119View printing
BOOL CRJ050119View::OnPreparePrinting(CPrintInfo* pInfo)
{
// default preparation
return DoPreparePrinting(pInfo);
}
void CRJ050119View::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
// TODO: add extra initialization before printing
}
void CRJ050119View::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
// TODO: add cleanup after printing
}
/////////////////////////////////////////////////////////////////////////////
// CRJ050119View diagnostics
#ifdef _DEBUG
void CRJ050119View::AssertValid() const
{
CView::AssertValid();
}
void CRJ050119View::Dump(CDumpContext& dc) const
{
CView::Dump(dc);
}
CRJ050119Doc* CRJ050119View::GetDocument() // non-debug version is inline
{
ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CRJ050119Doc)));
return (CRJ050119Doc*)m_pDocument;
}
#endif //_DEBUG
/////////////////////////////////////////////////////////////////////////////
// CRJ050119View message handlers
void CRJ050119View::OnContextMenu(CWnd* pWnd, CPoint point)
{
// TODO: Add your message handler code here
CMenu menuPopup; //声明菜单对象
if(menuPopup.CreatePopupMenu()) //创建一个弹出式菜单
{ //向菜单中添加菜单项
menuPopup.AppendMenu(MF_STRING,ID_COIN_ADD,"增加硬币\tCtrl+A");
menuPopup.AppendMenu(MF_STRING,ID_COIN_SUB,"减少硬币\tCtrl+S");
//显示弹出式菜单，并对用户选择的菜单项作出响应
menuPopup.TrackPopupMenu(TPM_LEFTALIGN,point.x,point.y,this);
}
}
void CRJ050119View::OnLButtonDown(UINT nFlags, CPoint point)
{
// TODO: Add your message handler code here and/or call default
SetCapture();
::SetCursor(m_hCross);
m_ptOrigin=point;
m_bDragging=TRUE;
///////////////////////////////////////////////////////////////////
BeginWaitCursor();//显示沙漏状光标
SetTimer(1,2000,NULL);//启动一个2秒的计时器
CView::OnLButtonDown(nFlags, point);
}
void CRJ050119View::OnMouseMove(UINT nFlags, CPoint point)
{
// TODO: Add your message handler code here and/or call default
if(m_bDragging)
{
CClientDC dc(this);
dc.MoveTo(m_ptOrigin);
dc.LineTo(point); //绘制线段
m_ptOrigin=point; //新的起点
}
//CView::OnMouseMove(nFlags, point);
}
void CRJ050119View::OnLButtonUp(UINT nFlags, CPoint point)
{
// TODO: Add your message handler code here and/or call default
if(m_bDragging)
{
m_bDragging=false; //清拖曳标记
ReleaseCapture(); //释放鼠标，还原鼠标形状
}
//CView::OnLButtonUp(nFlags, point);
}
void CRJ050119View::OnEditInputradius()
{
// TODO: Add your command handler code here
CRadiusDialog dlg; //定义一个对话框
dlg.m_nRadius=100; //设置编辑框显示的初始值
if(dlg.DoModal()==IDOK) //显示对话框
{
m_nCViewRadius=dlg.m_nRadius;//接收并存储编辑框数据
Invalidate(); //刷新视图
}
}
void CRJ050119View::OnViewFont()
{
// TODO: Add your command handler code here
CFontDialog dlgFont;
if(dlgFont.DoModal()==IDOK)
{
m_fontDlg.DeleteObject();
LOGFONT LogFnt;
dlgFont.GetCurrentFont(&LogFnt); //获得用户所选择的字体
m_fontDlg.CreateFontIndirect(&LogFnt);//创建用户所选择的字体
m_clrText=dlgFont.m_cf.rgbColors; //获得用户所选择的颜色
Invalidate();
}
}
void CRJ050119View::OnTimer(UINT nIDEvent)
{
// TODO: Add your message handler code here and/or call default
ReleaseCapture();
EndWaitCursor();//2秒后恢复光标原来的形状
KillTimer(1); //删除计时器
CView::OnTimer(nIDEvent);
}
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