DrawCli一个简单的绘图软件

Drawcli是VS2010中的一个示例程序，可以进行简单的绘图操做，例如线、矩形、圆角矩形、多边形等，位于VS安装目录"Microsoft Visual Studio 10.0\Samples\2052\VC2010Samples\C++\MFC\ole\drawcli"下。

1.文件

(1)new,open,Close,save,PrintSetup:参考另外一篇博客:http://www.javashuo.com/article/p-ubsmshrg-hq.html

(2)Print和PrintPreview:参考另外一篇博客:http://www.javashuo.com/article/p-btcsrcvf-hk.html

(3)SendMail:参考另外一篇博客:http://www.javashuo.com/article/p-szitaqmj-he.html

(4)SummaryInfo摘要：

开始时间：

FILETIME now;
CoFileTimeNow(&now);
__int64 startEdit = *(__int64*)&now;

时间：

FILETIME now;
CoFileTimeNow(&now);
__int64 currTime = *(__int64*)&now;
__int64 thisSession = currTime - startEdit;
ULONG editMinutes = (ULONG)(thisSession /600000000);

TCHAR buff[20];
_stprintf_s(buff, 20, _T("%lu min"), editMinutes);

2编辑

3.视图

(1)工具栏:ID_VIEW_TOOLBAR

(2)状态栏:ID_VIEW_STATUS_BAR

(3)网格:

ON_COMMAND(ID_VIEW_GRID, OnViewGrid)

void CDrawView::OnViewGrid()
{
	m_bGrid = !m_bGrid;
	Invalidate(FALSE);
//整个窗口客户区无效,须要重绘,窗口类提供了WM_PAINT的消息处理函数OnPaint，OnPaint负责重绘窗口,在视图类的OnPaint函数中调用了OnDraw函数，实际的重绘工做由OnDraw来完成。
}

void CDrawView::OnDraw(CDC* pDC)
{
    if (!pDC->IsPrinting() && m_bGrid)
		DrawGrid(pDrawDC);
}

void CDrawView::DrawGrid(CDC* pDC)
{
	CDrawDoc* pDoc = GetDocument();

	COLORREF oldBkColor = pDC->SetBkColor(pDoc->GetPaperColor());

	CRect rect;
	rect.left = -pDoc->GetSize().cx / 2;
	rect.top = -pDoc->GetSize().cy / 2;
	rect.right = rect.left + pDoc->GetSize().cx;
	rect.bottom = rect.top + pDoc->GetSize().cy;

	// Center lines
	CPen penDash;
	penDash.CreatePen(PS_DASH, 1, m_gridColor);
	CPen* pOldPen = pDC->SelectObject(&penDash);

	pDC->MoveTo(0, rect.top);
	pDC->LineTo(0, rect.bottom);
	pDC->MoveTo(rect.left, 0);
	pDC->LineTo(rect.right, 0);

	// Major unit lines
	CPen penDot;
	penDot.CreatePen(PS_DOT, 1, m_gridColor);
	pDC->SelectObject(&penDot);

	for (int x = rect.left / 100 * 100; x < rect.right; x += 100)
	{
		if (x != 0)
		{
			pDC->MoveTo(x, rect.top);
			pDC->LineTo(x, rect.bottom);
		}
	}

	for (int y = rect.top / 100 * 100; y < rect.bottom; y += 100)
	{
		if (y != 0)
		{
			pDC->MoveTo(rect.left, y);
			pDC->LineTo(rect.right, y);
		}
	}

	// Outlines
	CPen penSolid;
	penSolid.CreatePen(PS_SOLID, 1, m_gridColor);
	pDC->SelectObject(&penSolid);
	pDC->MoveTo(rect.left, rect.top);
	pDC->LineTo(rect.right, rect.top);
	pDC->LineTo(rect.right, rect.bottom);
	pDC->LineTo(rect.left, rect.bottom);
	pDC->LineTo(rect.left, rect.top);

	pDC->SelectObject(pOldPen);
	pDC->SetBkColor(oldBkColor);
}

(4)背景颜色

CColorDialog dlg;
if (dlg.DoModal() != IDOK)
	return;

m_paperColor = dlg.GetColor();
SetModifiedFlag();//用户是否修改了属性页面。 TRUE表示控件状态已被改变；FALSE表示控件的状态刚被保存。 
UpdateAllViews(NULL);//文档被修改后可调用此函数，把文档被修改的信息通知给每一个视图。

未完待续