📄 patternview.cpp
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//patternView.cpp
#include "stdafx.h"
#include "pattern.h"
#include "patternDoc.h"
#include "patternView.h"
#include "InputDialog.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
#include<windows.h>
#include<math.h>
#define startX 8 //模拟面板的X起点
#define startY 8 //模拟面板的Y起点
#define stepX 11 //X方向每格的长度
#define stepY 15 //Y方向每格的长度
int disable=0;
/////////////////////////////////////////////////////////////////////////////
// CPatternView
IMPLEMENT_DYNCREATE(CPatternView, CView)
BEGIN_MESSAGE_MAP(CPatternView, CView)
//{{AFX_MSG_MAP(CPatternView)
ON_WM_LBUTTONDOWN()
ON_WM_MOUSEMOVE()
ON_WM_LBUTTONUP()
//}}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()
/////////////////////////////////////////////////////////////////////////////
// CPatternView construction/destruction
CPatternView::CPatternView()
{
// TODO: add construction code here
mouseDown=0;
//初始化，使得每个点皆为白点
for(int i=0;i<16;i++)
for(int j=0;j<16;j++)
bitgraph[i][j]=0;
//初始化，使得坐标序列中的点皆为空点
mytime=0;
for(i=0;i<100;i++){
mypoint[i].x=-1;
mypoint[i].y=-1;
}
mytime=0;
curvalue=-1;
mytezheng=(TEZHENG *)malloc(sizeof(TEZHENG));
mytezheng->value=-1;
mytezheng->lenth=0;
mytezheng->lenth1=0;
for(i=0;i<15;i++)
mytezheng->VHDerection[i]=-1;
mytezheng->decon=0;
//打开保存模板特征量的文件
if(cf.Open("mydata.dat",CFile::modeCreate|CFile::modeNoTruncate|CFile::modeReadWrite)==NULL){
AfxMessageBox("打开文件失败，\n您最好退出程序");
}
}
CPatternView::~CPatternView()
{
cf.Close();
}
BOOL CPatternView::PreCreateWindow(CREATESTRUCT& cs)
{
// TODO: Modify the Window class or styles here by modifying
// the CREATESTRUCT cs
return CView::PreCreateWindow(cs);
}
/////////////////////////////////////////////////////////////////////////////
// CPatternView drawing
void CPatternView::OnDraw(CDC* pDC)
{
CPatternDoc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
// TODO: add draw code for native data here
//画整个系统的背景
//Erase the background
// Create a pruple brush.
CBrush Brush (RGB (128, 0 , 0) );
// Select the brush into the device context .
CBrush* pOldBrush = pDC->SelectObject (&Brush);
// Get the area that needs to be erased .
CRect rcClip;
pDC->GetClipBox (&rcClip);
//Paint the area.
pDC-> PatBlt (rcClip.left , rcClip.top , rcClip.Width ( ) , rcClip.Height( ) , PATCOPY );
//Unselect brush out of device context .
pDC->SelectObject (pOldBrush );
//四个模拟位图按钮
CBitmap bitmapstudy,bitmaprecognize,bitmapclear,bitmaphelp; // Sequence is important
CDC dcMemory1,dcMemory2,dcMemory3,dcMemory4;
bitmapstudy.LoadBitmap(IDB_BITMAP_STUDY);
dcMemory1.CreateCompatibleDC(pDC);
dcMemory1.SelectObject(&bitmapstudy);
pDC->BitBlt(220, 20, 50, 20, &dcMemory1, 0, 0, SRCCOPY);
bitmaprecognize.LoadBitmap(IDB_BITMAP_RECOGNIZE);
dcMemory2.CreateCompatibleDC(pDC);
dcMemory2.SelectObject(&bitmaprecognize);
pDC->BitBlt(220, 60, 50, 20, &dcMemory2, 0, 0, SRCCOPY);
bitmapclear.LoadBitmap(IDB_BITMAP_CLEAR);
dcMemory3.CreateCompatibleDC(pDC);
dcMemory3.SelectObject(&bitmapclear);
pDC->BitBlt(220, 100, 50, 20, &dcMemory3, 0, 0, SRCCOPY);
bitmaphelp.LoadBitmap(IDB_BITMAP_HELP);
dcMemory4.CreateCompatibleDC(pDC);
dcMemory4.SelectObject(&bitmaphelp);
pDC->BitBlt(220,140, 50, 20, &dcMemory4, 0, 0, SRCCOPY);
//画板
CBrush BrushBoard (RGB (255, 255 , 255) );
// Select the brush into the device context .
pOldBrush = pDC->SelectObject (&BrushBoard);
//Paint the area.
pDC-> PatBlt (8,8,176,240, PATCOPY );
//Unselect brush out of device context
pDC->SelectObject (pOldBrush );
pDC->SetTextColor(RGB(255,255,255));
pDC->SetTextAlign(TA_CENTER|TA_TOP);
pDC->SetBkMode(TRANSPARENT);
pDC->TextOut(245,175,"请您尽量");
pDC->TextOut(245,200,"写慢一点");
pDC->TextOut(245,225," 呵呵！");
}
/////////////////////////////////////////////////////////////////////////////
// CPatternView printing
BOOL CPatternView::OnPreparePrinting(CPrintInfo* pInfo)
{
// default preparation
return DoPreparePrinting(pInfo);
}
void CPatternView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
// TODO: add extra initialization before printing
}
void CPatternView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
// TODO: add cleanup after printing
}
/////////////////////////////////////////////////////////////////////////////
// CPatternView diagnostics
#ifdef _DEBUG
void CPatternView::AssertValid() const
{
CView::AssertValid();
}
void CPatternView::Dump(CDumpContext& dc) const
{
CView::Dump(dc);
}
CPatternDoc* CPatternView::GetDocument() // non-debug version is inline
{
ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CPatternDoc)));
return (CPatternDoc*)m_pDocument;
}
#endif //_DEBUG
//接受新的数字类型，以加入模板文件中
void CPatternView::OnStudy(void)
{
//输入数字值的对话框
InputDialog inputdlg;
cf.SeekToBegin();
int nFileSize=cf.GetLength();
int i=nFileSize/sizeof(TEZHENG);
TEZHENG *temp;
temp=(TEZHENG *)malloc(sizeof(TEZHENG));
//计算当前画板中数字的特征值
GetTeZheng();
//首先判断当前的数字类型是否已经在模板中
for(int j=0;j<i;j++){
cf.Read((void *)temp,sizeof(TEZHENG));
for(int k=0;k<15;k++){
if(temp->VHDerection[k]!=mytezheng->VHDerection[k])
break;
}
if((k==15)&&(temp->decon==mytezheng->decon)&&(temp->lenfirst==mytezheng->lenfirst)&&(temp->lenth1==mytezheng->lenth1)&&(temp->lenth==mytezheng->lenth)&&(temp->lenend==mytezheng->lenend)){
char s[20];
sprintf(s,"您输入的是：%d，数据已有",temp->value);
AfxMessageBox(s);
break;
}
}
//说明该数字类型不在模板中
if(j==i){
if(inputdlg.DoModal()==IDOK){
//判断数字输入对话框中的两个数字是否相同
if(inputdlg.m_value1!=inputdlg.m_value2){
AfxMessageBox("您的输入有误，\n请重新输入");
}
//相同，则将新的数字类型写入模板文件中
else{
GetTeZheng();
try{
mytezheng->value=inputdlg.m_value1;
cf.SeekToEnd();
cf.Write(&mytezheng->value,sizeof(signed char));
cf.Write(mytezheng->VHDerection,sizeof(signed char)*15);
cf.Write(&mytezheng->lenth1,sizeof(signed char));
cf.Write(&mytezheng->lenth,sizeof(signed char));
cf.Write(&mytezheng->decon,sizeof(signed char));
cf.Write(&mytezheng->lenfirst,sizeof(signed char));
cf.Write(&mytezheng->lenend,sizeof(signed char));
}
catch(CFileException *e){
//Alert user to error
e->Delete();
}//end try-catch
}//end if-else
}//end if
}//end if
OnClear();
return;
}
//识别功能
void CPatternView::OnRecognize(void)
{
cf.SeekToBegin();
int nFileSize=cf.GetLength();
int i=nFileSize/sizeof(TEZHENG);
TEZHENG *temp;
temp=(TEZHENG *)malloc(sizeof(TEZHENG));
//计算特征值
GetTeZheng();
//在模板文件中寻找，是否有与当前特征值相同的
for(int j=0;j<i;j++){
cf.Read((void *)temp,sizeof(TEZHENG));
for(int k=0;k<15;k++){
if(temp->VHDerection[k]!=mytezheng->VHDerection[k])
break;
}
//找到识别结果
if((k==15)&&(temp->decon==mytezheng->decon)&&(temp->lenfirst==mytezheng->lenfirst)&&(temp->lenth1==mytezheng->lenth1)&&(temp->lenth==mytezheng->lenth)&&(temp->lenend==mytezheng->lenend)){
char s[20];
sprintf(s,"您输入的是：%d",temp->value);
AfxMessageBox(s);
break;//搜索结束
}
}
if(j==i){
AfxMessageBox("抱歉，无法识别");
}
OnClear();
return;
}
//清空画板
void CPatternView::OnClear(void)
{
CDC *pDC=GetDC();
CBrush BrushBoard (RGB (255, 255 , 255) );
CBrush pOldBrush;
pDC-> PatBlt (8,8,176,240, PATCOPY );
for(int i=0;i<16;i++)
for(int j=0;j<16;j++)
bitgraph[i][j]=0;
mouseDown=0;
mytime=0;
for(i=0;i<100;i++){
mypoint[i].x=-1;
mypoint[i].y=-1;
}
curvalue=-1;
mytezheng->value=-1;
mytezheng->lenth=0;
mytezheng->lenth1=0;
for(i=0;i<15;i++)
mytezheng->VHDerection[i]=-1;
mytezheng->decon=0;
return;
}
void CPatternView::OnMyHelp(void)
{
return;
}
///////////////////////////////////////////////////////////////////////////
//从输入的序列钟提取特征
void CPatternView::GetTeZheng()
{
int p,q;
int i=0;
//从第一个点到最后一个点
for(int j=0;j<mytime-1;j++){
if(i==0){
mytezheng->lenth1++;
}
if(i>=13){
AfxMessageBox("内存溢出，呵呵",NULL,NULL);
return;
}
//判断两个相邻点的距离
p=(mypoint[j+1].x-mypoint[j].x)*(mypoint[j+1].x-mypoint[j].x);
q=(mypoint[j+1].y-mypoint[j].y)*(mypoint[j+1].y-mypoint[j].y);
//如果不是8连接，则为断裂点或者是写的太快
if((p>1)||(q>1)){
mytezheng->decon=1;
j++;
i++;
if(j+1>mytime-1){
AfxMessageBox("您可能写得太快了，呵呵",NULL,NULL);
return;
}
if(mypoint[j+1].x>mypoint[j].x)
mytezheng->VHDerection[i]=1;
else if(mypoint[j+1].y>mypoint[j].y)
mytezheng->VHDerection[i]=2;
else if(mypoint[j+1].x<mypoint[j].x)
mytezheng->VHDerection[i]=3;
else
mytezheng->VHDerection[i]=4;
mytezheng->lenth=1;
}
//尽量保持目前的方向
else{
if(j==0){
if(mypoint[1].x>mypoint[0].x)
mytezheng->VHDerection[0]=1;
else if(mypoint[1].y>mypoint[0].y)
mytezheng->VHDerection[0]=2;
else if(mypoint[1].x<mypoint[0].x)
mytezheng->VHDerection[0]=3;
else
mytezheng->VHDerection[0]=4;
mytezheng->lenth=1;
}//end if
else{
switch(mytezheng->VHDerection[i]){
case 1:
if(mypoint[j+1].x<=mypoint[j].x){
i++;
mytezheng->lenth=1;
if(mypoint[j+1].y>mypoint[j].y)
mytezheng->VHDerection[i]=2;
else if(mypoint[j+1].y<mypoint[j].y)
mytezheng->VHDerection[i]=4;
else
mytezheng->VHDerection[i]=3;
}
else
mytezheng->lenth++;
break;
case 2:
if(mypoint[j+1].y<=mypoint[j].y){
i++;
mytezheng->lenth=1;
if(mypoint[j+1].x<mypoint[j].x)
mytezheng->VHDerection[i]=3;
else if(mypoint[j+1].x>mypoint[j].x)
mytezheng->VHDerection[i]=1;
else
mytezheng->VHDerection[i]=4;
}
else
mytezheng->lenth++;
break;
case 3:
if(mypoint[j+1].x>=mypoint[j].x){
i++;
mytezheng->lenth=1;
if(mypoint[j+1].y<mypoint[j].y)
mytezheng->VHDerection[i]=4;
else if(mypoint[j+1].y>mypoint[j].y)
mytezheng->VHDerection[i]=2;
else
mytezheng->VHDerection[i]=1;
}
else
mytezheng->lenth++;
break;
case 4:
if(mypoint[j+1].y>=mypoint[j].y){
i++;
mytezheng->lenth=1;
if(mypoint[j+1].x>mypoint[j].x)
mytezheng->VHDerection[i]=1;
else if(mypoint[j+1].x<mypoint[j].x)
mytezheng->VHDerection[i]=3;
else
mytezheng->VHDerection[i]=2;
}
else
mytezheng->lenth++;
break;
default:
break;
}//end switch
}//end else
}//end else
}//end for
for(p=0;p<4;p++){
for(q=p+1;q<mytime;q++){
if(mypoint[p]==mypoint[q])
break;
}
if(q<mytime)
break;
}
if(p>=4)
mytezheng->lenfirst=2;
else
mytezheng->lenfirst=1;
for(p=mytime-1;p>mytime-6;p--){
for(q=p-1;q>=0;q--){
if(mypoint[p]==mypoint[q])
break;
}
if(q>=0)
break;
}
if(p<=mytime-6)
mytezheng->lenend=2;
else
mytezheng->lenend=1;
if((mytezheng->lenth)>0&&(mytezheng->lenth)<=4)
mytezheng->lenth=1;
else
mytezheng->lenth=2;
if(mytezheng->lenth1>=4)
mytezheng->lenth1=2;
else
mytezheng->lenth1=1;
}//end fuction GetTeZheng()
/////////////////////////////////////////////////////////////////////////////
// CPatternView message handlers
//模拟按钮事件
//通过判断鼠标左键按下事件发生在哪个区域来判断该触发哪个事情
void CPatternView::OnLButtonDown(UINT nFlags, CPoint point)
{
mouseDown=1;
if((point.x>=220)&&(point.x<270)&&(point.y>=20)&&(point.y<40)){
OnStudy();
}
if((point.x>=220)&&(point.x<270)&&(point.y>=60)&&(point.y<80)){
OnRecognize();
}
if((point.x>=220)&&(point.x<270)&&(point.y>=100)&&(point.y<120)){
OnClear();
}
if((point.x>=220)&&(point.x<270)&&(point.y>=140)&&(point.y<160)){
OnMyHelp();
}
CView::OnLButtonDown(nFlags, point);
}
//鼠标移动事件，模拟手写笔输入
void CPatternView::OnMouseMove(UINT nFlags, CPoint point)
{
// TODO: Add your message handler code here and/or call default
CDC *pDC=GetDC();
CRgn Rgn;
//限制在输入区域的范围内
Rgn.CreateRectRgn(startX,startY,startX+stepX*16-1,startY+stepY*16-1);
pDC->SelectClipRgn(&Rgn);
if((point.x>=startX)&&(point.x<startX+stepX*16)&&(point.y>=startY)&&(point.y<startY+stepY*16)){
HCURSOR m_HCross;
m_HCross=AfxGetApp()->LoadStandardCursor(IDC_CROSS);
::SetCursor(m_HCross);
}
int i=(point.x-startX)/stepX;
int j=(point.y-startY)/stepY;
if((mouseDown==1)&&(point.x>=startX)&&(point.x<startX+stepX*16)&&(point.y>=startY)&&(point.y<startY+stepY*16)){
CBrush Brush (RGB (0, 0 , 0) );
// Select the brush into the device context .
CBrush* pOldBrush = pDC->SelectObject (&Brush);
pDC->Ellipse(point.x-6,point.y-6,point.x+6,point.y+6);
pDC->SelectObject (pOldBrush );
//保存数据
if(mytime>=100){
AfxMessageBox("内存溢出(画图时)",NULL,NULL);
OnClear();
}
if(mytime==0){
mypoint[mytime].x=i;
mypoint[mytime].y=j;
oldpoint=mypoint[mytime];
mytime++;
}
//在输入过程中动态的去除直角点
else{
if((i!=oldpoint.x)||(j!=oldpoint.y)){
int k,n;
if(mytime<2){
k=0;
n=0;
}
else{
k=(i-mypoint[mytime-2].x)*(i-mypoint[mytime-2].x);
n=(j-mypoint[mytime-2].y)*(j-mypoint[mytime-2].y);
}
if((k==1)&&(n==1)){
mypoint[mytime-1].x=i;
mypoint[mytime-1].y=j;
oldpoint=mypoint[mytime-1];
}
//disable=1;
else{
mypoint[mytime].x=i;
mypoint[mytime].y=j;
oldpoint=mypoint[mytime];
mytime++;
}
}
}
bitgraph[i][j]=1;
}
CView::OnMouseMove(nFlags, point);
}
//鼠标左键抬起
void CPatternView::OnLButtonUp(UINT nFlags, CPoint point)
{
//设置mouseDown为false
mouseDown=0;
CView::OnLButtonUp(nFlags, point);
}
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