text.cpp

一个复杂的画图系统

// text.cpp: implementation of the CText class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "geditor.h"
#include "text.h"
#include "geditorView.h"
#include <cmath>
#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CText::CText()
{/*
	LOGFONT log;
	log.lfCharSet=ANSI_CHARSET;               //字体字符集
	log.lfClipPrecision=CLIP_DEFAULT_PRECIS;  //剪贴板字符
	log.lfEscapement=0;                       //角度
	strcpy(log.lfFaceName,"Cyz Font");        //
	log.lfHeight=8;                               
	log.lfItalic=0;                           //斜体度
	log.lfOrientation=0;
	log.lfOutPrecision=OUT_DEFAULT_PRECIS;     
	log.lfPitchAndFamily=VARIABLE_PITCH|FF_ROMAN; //字体间距和字体族
	log.lfQuality=PROOF_QUALITY;
	log.lfStrikeOut=0;                          //镂空字体
	log.lfUnderline=0;
	log.lfWeight=FW_NORMAL;                    //字体精细
	log.lfWidth=0;
	tfont.CreateFontIndirect(&log);
	tpt.x=tpt.y=100;*/
	Rotnumber=0;
	RotateNoInit=0;
	rect.left=pts[0].x-1;
	rect.top=pts[0].y-1;
	rect.right=pts[2].x+2;
	rect.bottom=pts[2].y+2;
	edgeclr=0x00C0C0C0;
}

CText::CText(LOGFONT &log,CPoint &pt,COLORREF &clr,CString &str)
{
	tlog=log;
	pts[0]=pt;
	m_color=clr;
	textstr=str;
	//calculate for change
	width=abs(log.lfHeight)*textstr.GetLength()*4/7;
	pts[1].x=pt.x+width;//width?
	pts[1].y=pt.y;
	pts[2].x=pt.x+width;
	pts[2].y=pt.y-log.lfHeight;
	pts[3].x=pt.x;
	pts[3].y=pts[2].y;
	Rotnumber=0;	
	RotateNoInit=0;
	rect.left=pts[0].x-1;
	rect.top=pts[0].y-1;
	rect.right=pts[2].x+2;
	rect.bottom=pts[2].y+2;
	edgeclr=0x00C0C0C0;
}

CText::~CText()
{

}

void CText::Draw(CDC *pDC)
{
	CFont font;
	font.CreateFontIndirect(&tlog);
	CPen pen(PS_DOT,1,RGB(0,0,0));
	CFont *oldf=pDC->SelectObject(&font);
	CPen *oldpen=pDC->SelectObject(&pen);
	pDC->SetBkMode(TRANSPARENT);
	pDC->SetTextColor(m_color);
	pDC->TextOut(pts[0].x,pts[0].y,textstr);
	pDC->SelectObject(oldf);
	if(dragmode!=0)
	{
		UpdateProp();
		pDC->MoveTo(pts[0]);
		pDC->LineTo(pts[1]);
		pDC->LineTo(pts[2]);
		pDC->LineTo(pts[3]);
		pDC->LineTo(pts[0]);
	};
	font.DeleteObject();
	DeleteObject(pen);
	pDC->SelectObject(oldpen);
	pDC->SelectObject(oldf);
}

int CText::InTest(CPoint pt)
{
	CRgn rgn;
	rgn.CreatePolygonRgn(pts,4,ALTERNATE);
	if(rgn.PtInRegion(pt))
	{
		::SetCursor(AfxGetApp()->LoadCursor(IDC_CURSEL));
		return 1;
	};
	return 0;
}

void CText::dragobj(int leash, CDC *pDC, CPoint pt, CGeditorView *pView)
{
	if (leash==1)
		pt.y=movept.y;
	else if (leash==2)
		pt.x=movept.x;
	invalid(pView);
	if (dragmode==1) 
	{
		for(int i=0;i<4;i++)
		{
			pts[i].x+=pt.x-movept.x;
			pts[i].y+=pt.y-movept.y;
		};
		changepts(1);
		movept.x=pt.x;
		movept.y=pt.y;
	} ;
	Draw(pDC);
}

void CText::invalid(CGeditorView *pView)
{
	pView->InvalidateRect(rect);
	DeleteObject(rect);
}

void CText::Serialize(CArchive &ar)
{
	CObject::Serialize(ar);
	serialfont(ar);
	int i=0;
	if(ar.IsStoring())
	{
		ar<<textstr<<movept<<m_color<<dragmode<<Rotnumber<<linesty;
		for (i=0;i<4;i++)
			ar<<pts[i];
	}
	else
	{
		ar>>textstr>>movept>>m_color>>dragmode<<Rotnumber>>linesty;
		for (i=0;i<4;i++)
			ar>>pts[i];
	};
}

void CText::serialfont(CArchive &ar)
{
	if(ar.IsStoring())
	{
		ar<<tlog.lfCharSet<<tlog.lfClipPrecision<<tlog.lfEscapement<<tlog.lfHeight<<tlog.lfItalic<<tlog.lfOrientation<<tlog.lfOutPrecision<<tlog.lfPitchAndFamily<<tlog.lfQuality<<tlog.lfStrikeOut<<tlog.lfUnderline<<tlog.lfWeight<<tlog.lfWidth<<name;
	}else
	{
		ar>>tlog.lfCharSet>>tlog.lfClipPrecision>>tlog.lfEscapement>>tlog.lfHeight>>tlog.lfItalic>>tlog.lfOrientation>>tlog.lfOutPrecision>>tlog.lfPitchAndFamily>>tlog.lfQuality>>tlog.lfStrikeOut>>tlog.lfUnderline>>tlog.lfWeight>>tlog.lfWidth>>name;
	};

}

void CText::InitProp()
{
/*	int count=p->m_list.GetItemCount();
	if (count!=0)
	{
		for(int i=0;i<count;i++)
		p->m_list.DeleteItem(0);
	};
	item.mask=LVIF_TEXT|LVIF_STATE;
	item.state=0;
	item.stateMask=0;

	item.iItem=0;
	item.iSubItem=0;
	item.pszText="BasePt.X";
	p->m_list.InsertItem(&item);
	sprintf(svalue,"%3d",pts[0].x);
	p->m_list.SetItemText(0,1,svalue);

	item.iItem=1;
	item.iSubItem=0;
	item.pszText="BasePt.Y";
	p->m_list.InsertItem(&item);
	sprintf(svalue,"%3d",pts[0].y);
	p->m_list.SetItemText(1,1,svalue);
	p->m_Fill.EnableWindow(FALSE);
	p->bkclr=0;
	p->m_fill=FALSE;
	p->OtherShow(m_color,-1,1);*/
}

CShape * CText::copys(TCHAR &ch)
{
	CText *t;
	t=new CText;
	t->textstr=textstr;
	t->tlog=tlog;
	for (int i=0;i<4;i++)
	{
		t->pts[i].x=pts[i].x+10;
		t->pts[i].y=pts[i].y+10;
	};
	ch='T';
	return t;
}

void CText::rotate(int rsel, CDC *pDC, CPoint pt, CGeditorView *pView)
{
	if(RotateNoInit==1)
	{
		invalid(pView);
		Rotnumber++;
		Rotnumber%=4;
		int sita=Rotnumber*900;
		tlog.lfEscapement=tlog.lfOrientation=sita;
		changepts(0);
		Draw(pDC);
		RotateNoInit=0;
	};
}

void CText::CalForRot(CPoint &pt)
{
	RotateNoInit=1;
}

void CText::changepts(int sel)
{
	switch(Rotnumber)
	{
	case 0:
		if (sel==0)
		{
			pts[1].x=pts[0].x+width;
			pts[1].y=pts[0].y;
			pts[2].x=pts[1].x;
			pts[2].y=pts[0].y-tlog.lfHeight;
			pts[3].x=pts[0].x;
			pts[3].y=pts[2].y;
		};
		rect.left=pts[0].x-1;
		rect.top=pts[0].y-1;
		rect.right=pts[2].x+2;
		rect.bottom=pts[2].y+2;
		break;
	case 1:
		if(sel==0)
		{
			pts[1].x=pts[0].x;
			pts[1].y=pts[0].y-width;
			pts[2].x=pts[1].x-tlog.lfHeight;
			pts[2].y=pts[1].y;
			pts[3].x=pts[2].x;
			pts[3].y=pts[0].y;
		};
		rect.left=pts[1].x-1;
		rect.top=pts[1].y-1;
		rect.right=pts[3].x+2;
		rect.bottom=pts[3].y+2;
		break;
	case 2:
		if(sel==0)
		{
			pts[1].x=pts[0].x-width;
			pts[1].y=pts[0].y;
			pts[2].x=pts[1].x;
			pts[2].y=pts[1].y+tlog.lfHeight;
			pts[3].x=pts[0].x;
			pts[3].y=pts[2].y;
		};
		rect.left=pts[2].x-1;
		rect.top=pts[2].y-1;
		rect.right=pts[0].x+2;
		rect.bottom=pts[0].y+2;
		break;
	case 3:
		if(sel==0)
		{
			pts[1].x=pts[0].x;
			pts[1].y=pts[0].y+width;
			pts[2].x=pts[1].x+tlog.lfHeight;
			pts[2].y=pts[1].y;
			pts[3].x=pts[2].x;
			pts[3].y=pts[0].y;
		};
		rect.left=pts[3].x-1;
		rect.top=pts[3].y-1;
		rect.right=pts[1].x+2;
		rect.bottom=pts[1].y+2;
		break;
	default:
		break;
	};
}

void CText::UpdateProp()
{
	/*
	sprintf(svalue,"%3d",pts[0].x);
	p->m_list.SetItemText(0,1,svalue);
	sprintf(svalue,"%3d",pts[0].y);
	p->m_list.SetItemText(1,1,svalue);
	*/
}