painterview.cpp

很不错的简单的矢量图形开发软件

	else
		pCmdUI->SetCheck(FALSE);
	pCmdUI->Enable(!m_bModify);
}


void CPainterView::OnFileSave() 
{
	// TODO: Add your command handler code here
	if(bFileSaved)
	{
// 已经有文件名，修改图形文件
		Save();
	}
	else
		OnFileSaveAs();
}

void CPainterView::OnFileSaveAs() 
{
	// TODO: Add your command handler code here
	CFileDialog	file(0, // 1-文件打开, 0-文件另存为
                         ".hpy|*.*",
						 NULL,
			OFN_OVERWRITEPROMPT | OFN_NOREADONLYRETURN ,
						 "绘图文件 (*.hpy)|*.hpy|All Files (*.*)|*.*||",
						 NULL);
	if(file.DoModal()==IDOK)
	{
		path = file.GetPathName();
		fileName = file.GetFileTitle();
		Save();
		if(!AddIcon())
			MessageBox("添加记录失败！","错误");
  }
}


//处理文件打开命令
void CPainterView::OnFileOpen() 
{
	// TODO: Add your command handler code here
	CPainterDoc *pDoc=GetDocument();
	
	CFileDialog	file(1, // 1-文件打开, 0-文件另存为
                         ".hpy|*.*",
						 NULL,
			OFN_OVERWRITEPROMPT ,
						 "绘图文件 (*.hpy)|*.hpy|All Files (*.*)|*.*||",
						 NULL);
	if(file.DoModal()==IDOK)
	{

		path = file.GetPathName();
		fileName=file.GetFileTitle();
		CFile	file;
		if(!file.Open(path,0x0000,NULL)) return;
		if(!pDoc->RecordList.IsEmpty())//如果文档数据内容非空则清空之
			pDoc->RecordList.RemoveAll();

		DWORD   CurFilePointer=file.GetPosition();//得到文件指针当前位置
      	DWORD   FileEndPointer=file.GetLength();//得到文件长度
	
		while(CurFilePointer<FileEndPointer)//如果文件指针到达文件尾则停止
		{
			BYTE* style;//图元类型
			style=new BYTE;
		    file.Read(style,sizeof(BYTE));//读出图元类型
		    pDoc->RecordList.AddTail(style);//将图元类型加入链表
			switch(*style)
			{
			//如果图元是直线
			case LINE:
				LINENODE* line;
				line=new LINENODE;
				file.Read(line,sizeof(LINENODE));
				pDoc->RecordList.AddTail(line);
				break;
			//如果图元是矩形
			case RECTANGLE:
				RECTANGLENODE* rectangle;
				rectangle=new RECTANGLENODE;
				file.Read(rectangle,sizeof(RECTANGLENODE));;
				pDoc->RecordList.AddTail(rectangle);
				break;
			//如果是填充
			case FILL:
				FILLNODE* fill;
				fill=new FILLNODE;
				file.Read(fill,sizeof(FILLNODE));
				pDoc->RecordList.AddTail(fill);
				break;
			//如果图元是文本
			case TEXT:
				TEXTNODE* text;
				text=new TEXTNODE;
				file.Read(text,sizeof(TEXTNODE));
				pDoc->RecordList.AddTail(text);
				break;
			//如果是椭圆
			case ELLIPSE:
				ELLIPSENODE* ellipse;
				ellipse=new ELLIPSENODE;
				file.Read(ellipse,sizeof(ELLIPSENODE));
				pDoc->RecordList.AddTail(ellipse);
				break;
			//如果是三角形
			case TRIANGLE:
				TRIANGLENODE* triangle;
				triangle=new TRIANGLENODE;
				file.Read(triangle,sizeof(TRIANGLENODE));
				pDoc->RecordList.AddTail(triangle);
				break;
			}
			CurFilePointer=file.GetPosition();//获得当前文件指针位置
		}
		file.Close();//关闭文件
	}

	bFileSaved=TRUE;
	pDoc->UpdateAllViews(NULL,0,NULL);//重绘窗口
	GetParent()->SetWindowText(fileName);
}

//处理文件保存
void CPainterView::Save()
{
	CFile	save;
//////////////////////////////////////////
/*										//
		modeRead =          0x0000,		//
		modeWrite =         0x0001,		//
		modeReadWrite =     0x0002,		//
		modeCreate =        0x1000,		//
*/										//
//////////////////////////////////////////
	save.Open(path,0x0001|0x1000,NULL);
	CPainterDoc *pDoc=GetDocument();
	POSITION pos=pDoc->RecordList.GetHeadPosition();
    while(pos!=NULL)
	{
		BYTE *style;
		style=(BYTE*)pDoc->RecordList.GetNext(pos);
		save.Write(style,sizeof(BYTE));
		switch(*style)
		{
		case LINE:
			save.Write((LINENODE*)pDoc->RecordList.GetAt(pos),sizeof(LINENODE));
			break;
		case RECTANGLE:
			save.Write((RECTANGLENODE*)pDoc->RecordList.GetNext(pos),sizeof(RECTANGLENODE));
			break;
		case FILL:
			save.Write((FILLNODE*)pDoc->RecordList.GetNext(pos),sizeof(FILLNODE));
			break;
		case TEXT:
			save.Write((TEXTNODE*)pDoc->RecordList.GetNext(pos),sizeof(TEXTNODE));
			break;
		case TRIANGLE:
			save.Write((TRIANGLENODE*)pDoc->RecordList.GetNext(pos),sizeof(TRIANGLENODE));
			break;
		case ELLIPSE:
			save.Write((ELLIPSENODE*)pDoc->RecordList.GetNext(pos),sizeof(ELLIPSENODE));
			break;
		}
	}
	save.Close();
	pDoc->SetModifiedFlag(FALSE);
	bFileSaved=TRUE;
	GetParent()->SetWindowText(fileName);
}

void CPainterView::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags) 
{
	// TODO: Add your message handler code here and/or call default
	if(nChar==VK_SHIFT)////如果按下Shift键
		bShiftDown=TRUE;

	CScrollView::OnKeyDown(nChar, nRepCnt, nFlags);
}

void CPainterView::OnKeyUp(UINT nChar, UINT nRepCnt, UINT nFlags) 
{
	// TODO: Add your message handler code here and/or call default
	if(nChar==VK_SHIFT)//如果没有按下Shift键
		bShiftDown=FALSE;

	CScrollView::OnKeyUp(nChar, nRepCnt, nFlags);
}

void CPainterView::UndoMove(MOVENODE *move)
{
	CPainterDoc *pDoc=GetDocument();
	POSITION pos=pDoc->RecordList.GetHeadPosition();//得到链表头节点的指针
	int x_off=move->x_off;
	int y_off=move->y_off;
	int i;
	BOOL Do=FALSE;//判断图元是否属于移动集

	while(pos!=NULL)
	{
		BYTE *style;
		style=(BYTE *)pDoc->RecordList.GetNext(pos);//得到图元类型指针
		switch(*style)
		{
		case LINE:
			LINENODE *line;
			line=(LINENODE *)pDoc->RecordList.GetNext(pos);//从链表中取出图元数据
			//移动集中是否存在直线图元的索引
			for(i=0;i<move->iCompNum;i++)
				if(line->Index==move->Index[i])
					Do=TRUE;
			if(Do)
			{
				if(*DrawType==UNDO)//如果是撤消
				{
				    line->End.x-=x_off;
				    line->End.y-=y_off;
				    line->Start.x-=x_off;
				    line->Start.y-=y_off;
					line->bDo=7;
				}
				else//如果是恢复
				{
					line->End.x+=x_off;
				    line->End.y+=y_off;
				    line->Start.x+=x_off;
				    line->Start.y+=y_off;
					line->bDo=5;
				}
			}
			break;
		case RECTANGLE:
			RECTANGLENODE *rectangle;
			rectangle=(RECTANGLENODE *)pDoc->RecordList.GetNext(pos);
			for(i=0;i<move->iCompNum;i++)
				if(rectangle->Index==move->Index[i])
					Do=TRUE;
			if(Do)
			{
				if(*DrawType==UNDO)
				{
				    rectangle->rT.bottom-=y_off;
				    rectangle->rT.top-=y_off;
				    rectangle->rT.right-=x_off;
				    rectangle->rT.left-=x_off;
					rectangle->bDo=7;
				}
				else
				{
					rectangle->rT.bottom+=y_off;
				    rectangle->rT.top+=y_off;
				    rectangle->rT.right+=x_off;
				    rectangle->rT.left+=x_off;
					rectangle->bDo=5;
				}
			}
			break;
		case ELLIPSE:
			ELLIPSENODE *ellipse;
			ellipse=(ELLIPSENODE *)pDoc->RecordList.GetNext(pos);
			for(i=0;i<move->iCompNum;i++)
				if(ellipse->Index==move->Index[i])
					Do=TRUE;
			if(Do)
			{
				if(*DrawType==UNDO)
				{
				    ellipse->rT.bottom-=y_off;
				    ellipse->rT.top-=y_off;
				    ellipse->rT.right-=x_off;
				    ellipse->rT.left-=x_off;
					ellipse->bDo=7;
				}
				else
				{
					ellipse->rT.bottom+=y_off;
				    ellipse->rT.top+=y_off;
				    ellipse->rT.right+=x_off;
				    ellipse->rT.left+=x_off;
					ellipse->bDo=5;
				}
			}
			break;
		case TRIANGLE:
			TRIANGLENODE *triangle;
			triangle=(TRIANGLENODE *)pDoc->RecordList.GetNext(pos);
			for(i=0;i<move->iCompNum;i++)
				if(triangle->Index==move->Index[i])
					Do=TRUE;
			if(Do)
			{
				if(*DrawType==UNDO)
				{
				    triangle->rT.bottom-=y_off;
				    triangle->rT.top-=y_off;
				    triangle->rT.right-=x_off;
				    triangle->rT.left-=x_off;
					triangle->bDo=7;
				}
				else
				{
					triangle->rT.bottom+=y_off;
				    triangle->rT.top+=y_off;
				    triangle->rT.right+=x_off;
				    triangle->rT.left+=x_off;
					triangle->bDo=5;
				}
			}
			break;
		case TEXT:
			TEXTNODE *text;
			text=(TEXTNODE *)pDoc->RecordList.GetNext(pos);
			for(i=0;i<move->iCompNum;i++)
				if(text->Index==move->Index[i])
					Do=TRUE;
			if(Do)
			{
				if(*DrawType==UNDO)
				{
				    text->point.x-=x_off;
				    text->point.y-=y_off;
					text->bDo=7;
				}
				else
				{
					text->point.x+=x_off;
				    text->point.y+=y_off;
					text->bDo=5;
				}
			}
			break;
		}
		Do=FALSE;
	}
}

void CPainterView::UndoPaste(PASTENODE *paste)
{
	CPainterDoc *pDoc=GetDocument();
	POSITION pos=pDoc->RecordList.GetHeadPosition();
	int i;
	BOOL Do=FALSE;

	while(pos!=NULL)
	{
		BYTE *style;
		style=(BYTE *)pDoc->RecordList.GetNext(pos);
		switch(*style)
		{
		case LINE:
			LINENODE *line;
			line=(LINENODE *)pDoc->RecordList.GetNext(pos);
			for(i=0;i<paste->iCompNum;i++)
				if(line->Index==paste->Index[i])
					Do=TRUE;
			if(Do)
			{
				if(*DrawType==UNDO)
					line->bDo=-3;
				else
					line->bDo=3;
			}
			break;
		case RECTANGLE:
			RECTANGLENODE *rectangle;
			rectangle=(RECTANGLENODE *)pDoc->RecordList.GetNext(pos);
			for(i=0;i<paste->iCompNum;i++)
				if(rectangle->Index==paste->Index[i])
					Do=TRUE;
			if(Do)
			{
				if(*DrawType==UNDO)
					rectangle->bDo=-3;
				else
					rectangle->bDo=3;
			}
			break;
		case ELLIPSE:
			ELLIPSENODE *ellipse;
			ellipse=(ELLIPSENODE *)pDoc->RecordList.GetNext(pos);
			for(i=0;i<paste->iCompNum;i++)
				if(ellipse->Index==paste->Index[i])
					Do=TRUE;
			if(Do)
			{
				if(*DrawType==UNDO)
					ellipse->bDo=-3;
				else
					ellipse->bDo=3;
			}
			break;
		case TRIANGLE:
			TRIANGLENODE *triangle;
			triangle=(TRIANGLENODE *)pDoc->RecordList.GetNext(pos);
			for(i=0;i<paste->iCompNum;i++)
				if(triangle->Index==paste->Index[i])
					Do=TRUE;
			if(Do)
			{
				if(*DrawType==UNDO)
					triangle->bDo=-3;
				else
					triangle->bDo=3;
			}
			break;
		case TEXT:
			TEXTNODE *text;
			text=(TEXTNODE *)pDoc->RecordList.GetNext(pos);
			for(i=0;i<paste->iCompNum;i++)
				if(text->Index==paste->Index[i])
					Do=TRUE;
			if(Do)
			{
				if(*DrawType==UNDO)
					text->bDo=-3;
				else
					text->bDo=3;
			}
			break;
		}
		Do=FALSE;
	}
}	

void CPainterView::UndoCut(CUTNODE *cut)
{
	CPainterDoc *pDoc=GetDocument();
	POSITION pos=pDoc->RecordList.GetHeadPosition();
	int i;
	BOOL Do=FALSE;

	while(pos!=NULL)
	{
		BYTE *style;
		style=(BYTE *)pDoc->RecordList.GetNext(pos);
		switch(*style)
		{
		case LINE:
			LINENODE *line;
			line=(LINENODE *)pDoc->RecordList.GetNext(pos);
			for(i=0;i<cut->iCompNum;i++)
				if(line->Index==cut->Index[i])
					Do=TRUE;
			if(Do)
			{
				if(*DrawType==UNDO)
					line->bDo=6;
				else
					line->bDo=-6;
			}
			break;
		case RECTANGLE:
			RECTANGLENODE *rectangle;
			rectangle=(RECTANGLENODE *)pDoc->RecordList.GetNext(pos);
			for(i=0;i<cut->iCompNum;i++)
				if(rectangle->Index==cut->Index[i])
					Do=TRUE;
			if(Do)
			{
				if(*DrawType=UNDO)
					rectangle->bDo=6;
				else
					rectangle->bDo=-6;
			}
			break;
		case ELLIPSE:
			ELLIPSENODE *ellipse;
			ellipse=(ELLIPSENODE *)pDoc->RecordList.GetNext(pos);
			for(i=0;i<cut->iCompNum;i++)
				if(ellipse->Index==cut->Index[i])
					Do=TRUE;
			if(Do)
			{
				if(*DrawType==UNDO)
					ellipse->bDo=6;
				else
					ellipse->bDo=-6;
			}
			break;
		case TRIANGLE:
			TRIANGLENODE *triangle;
			triangle=(TRIANGLENODE *)pDoc->RecordList.GetNext(pos);
			for(i=0;i<cut->iCompNum;i++)
				if(triangle->Index==cut->Index[i])
					Do=TRUE;
			if(Do)
			{
				if(*DrawType==UNDO)
					triangle->bDo=6;
				else
					triangle->bDo=-6;
			}
			break;
		case TEXT:
			TEXTNODE *text;
			text=(TEXTNODE *)pDoc->RecordList.GetNext(pos);
			for(i=0;i<cut->iCompNum;i++)
				if(text->Index==cut->Index[i])
					Do=TRUE;
			if(Do)
			{
				if(*DrawType==UNDO)
					text->bDo=6;
				else
					text->bDo=-6;
			}
			break;
		}
		Do=FALSE;
	}
}

void CPainterView::OnDrawNotilt() 
{
	// TO