www.pudn.com > demo_mschart.rar > DemoView.cpp

// DemoView.cpp : implementation of the CDemoView class 
// 
 
#include "stdafx.h" 
#include "Demo.h" 
 
#include "DemoDoc.h" 
#include "DemoView.h" 
 
#include "VcPlot.h" 
#include "VcAxis.h" 
#include "VcValueScale.h" 
#include "VcSeriesCollection.h" 
#include "VcSeries.h" 
#include "VcPen.h" 
#include "VcCategoryScale.h" 
#include "VcColor.h" 
#include "VcDataGrid.h" 
#include "VcBackdrop.h" 
#include "VcFill.h" 
#include "VcBrush.h" 
#include "VcDataPoints.h" 
#include "VcDataPoint.h" 
#include "VcDataPointLabel.h" 
#include "VcAxisTitle.h" 
 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CDemoView 
 
IMPLEMENT_DYNCREATE(CDemoView, CView) 
 
BEGIN_MESSAGE_MAP(CDemoView, CView) 
	//{{AFX_MSG_MAP(CDemoView) 
	ON_WM_CREATE() 
	ON_WM_SIZE() 
	ON_COMMAND(ID_CHART_LINE, OnChartLine) 
	ON_COMMAND(ID_CHART_COMBI, OnChartCombi) 
	ON_COMMAND(ID_CHART_PIE, OnChartPie) 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CDemoView construction/destruction 
 
CDemoView::CDemoView() 
{ 
	// TODO: add construction code here 
 
} 
 
CDemoView::~CDemoView() 
{ 
} 
 
BOOL CDemoView::PreCreateWindow(CREATESTRUCT& cs) 
{ 
	// TODO: Modify the Window class or styles here by modifying 
	//  the CREATESTRUCT cs 
 
	return CView::PreCreateWindow(cs); 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CDemoView drawing 
 
void CDemoView::OnDraw(CDC* pDC) 
{ 
	CDemoDoc* pDoc = GetDocument(); 
	ASSERT_VALID(pDoc); 
	// TODO: add draw code for native data here 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CDemoView diagnostics 
 
#ifdef _DEBUG 
void CDemoView::AssertValid() const 
{ 
	CView::AssertValid(); 
} 
 
void CDemoView::Dump(CDumpContext& dc) const 
{ 
	CView::Dump(dc); 
} 
 
CDemoDoc* CDemoView::GetDocument() // non-debug version is inline 
{ 
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CDemoDoc))); 
	return (CDemoDoc*)m_pDocument; 
} 
#endif //_DEBUG 
 
///////////////////////////////////////////////////////////////////////////// 
// CDemoView message handlers 
 
int CDemoView::OnCreate(LPCREATESTRUCT lpCreateStruct)  
{ 
	if (CView::OnCreate(lpCreateStruct) == -1) 
		return -1; 
	 
	CRect rc; 
	GetClientRect(&rc); 
	if(!m_Chart.Create("mschart", WS_CHILD| WS_VISIBLE, rc, this, 10)) 
		return -1; 
	 
	InitChart(); 
	DrawChart(); 
 
	return 0; 
} 
 
void CDemoView::OnSize(UINT nType, int cx, int cy)  
{ 
	CView::OnSize(nType, cx, cy); 
	 
	if( m_Chart.GetSafeHwnd() ) 
		m_Chart.MoveWindow( 0, 0, cx, cy );	 
} 
 
void CDemoView::InitChart() 
{ 
	// 设置标题 
	m_Chart.SetTitleText("mschart 示例 by thinkry@263.net"); 
 
	// 下面两句改变背景色 
	m_Chart.GetBackdrop().GetFill().SetStyle(1); 
	m_Chart.GetBackdrop().GetFill().GetBrush().GetFillColor().Set(255, 255, 255); 
 
	// 显示图例 
	m_Chart.SetShowLegend(TRUE); 
	m_Chart.SetColumn(1); 
	m_Chart.SetColumnLabel((LPCTSTR)"1号机"); 
	m_Chart.SetColumn(2); 
	m_Chart.SetColumnLabel((LPCTSTR)"2号机"); 
	m_Chart.SetColumn(3); 
	m_Chart.SetColumnLabel((LPCTSTR)"3号机"); 
 
	// 栈模式 
	m_Chart.SetStacking(FALSE); 
 
	// Y轴设置 
	VARIANT var; 
	m_Chart.GetPlot().GetAxis(1,var).GetValueScale().SetAuto(FALSE);	// 不自动标注Y轴刻度 
	m_Chart.GetPlot().GetAxis(1,var).GetValueScale().SetMaximum(100);	// Y轴最大刻度 
	m_Chart.GetPlot().GetAxis(1,var).GetValueScale().SetMinimum(0);		// Y轴最小刻度 
	m_Chart.GetPlot().GetAxis(1,var).GetValueScale().SetMajorDivision(5);	// Y轴刻度5等分 
	m_Chart.GetPlot().GetAxis(1,var).GetValueScale().SetMinorDivision(1);	// 每刻度一个刻度线 
	m_Chart.GetPlot().GetAxis(1,var).GetAxisTitle().SetText("小时");	// Y轴名称 
 
	// 3条曲线 
	m_Chart.SetColumnCount(3);  
 
	// 线色 
	m_Chart.GetPlot().GetSeriesCollection().GetItem(1).GetPen().GetVtColor().Set(0, 0, 255); 
	m_Chart.GetPlot().GetSeriesCollection().GetItem(2).GetPen().GetVtColor().Set(255, 0, 0); 
	m_Chart.GetPlot().GetSeriesCollection().GetItem(3).GetPen().GetVtColor().Set(0, 255, 0); 
 
	// 线宽(对点线图有效) 
	m_Chart.GetPlot().GetSeriesCollection().GetItem(1).GetPen().SetWidth(50); 
	m_Chart.GetPlot().GetSeriesCollection().GetItem(2).GetPen().SetWidth(100); 
	m_Chart.GetPlot().GetSeriesCollection().GetItem(3).GetPen().SetWidth(2); 
 
	// 数据点类型显示数据值的模式(对柱柱状图和点线图有效) 
	// 0: 不显示	1: 显示在柱状图外 
	// 2: 显示在柱状图内上方	3: 显示在柱状图内中间	4: 显示在柱状图内下方 
	m_Chart.GetPlot().GetSeriesCollection().GetItem(1).GetDataPoints().GetItem(-1).GetDataPointLabel().SetLocationType(1); 
	m_Chart.GetPlot().GetSeriesCollection().GetItem(2).GetDataPoints().GetItem(-1).GetDataPointLabel().SetLocationType(1); 
	m_Chart.GetPlot().GetSeriesCollection().GetItem(3).GetDataPoints().GetItem(-1).GetDataPointLabel().SetLocationType(1); 
} 
 
void CDemoView::DrawChart() 
{ 
	int nRowCount = 6; 
	m_Chart.SetRowCount(nRowCount); 
 
	VARIANT var; 
	m_Chart.GetPlot().GetAxis(0,var).GetCategoryScale().SetAuto(FALSE);			// 不自动标注X轴刻度 
	m_Chart.GetPlot().GetAxis(0,var).GetCategoryScale().SetDivisionsPerLabel(1);// 每刻度一个标注 
	m_Chart.GetPlot().GetAxis(0,var).GetCategoryScale().SetDivisionsPerTick(1); // 每刻度一个刻度线 
	m_Chart.GetPlot().GetAxis(0,var).GetAxisTitle().SetText("日期");			// X轴名称 
 
	char buf[32]; 
	srand( (unsigned)time( NULL ) ); 
 
	for(int row = 1; row <= nRowCount; ++row) 
	{ 
		m_Chart.SetRow(row); 
		sprintf(buf, "%d号", row); 
 
		m_Chart.SetRowLabel((LPCTSTR)buf); 
		m_Chart.GetDataGrid().SetData(row, 1, rand() * 100 / RAND_MAX, 0); 
		m_Chart.GetDataGrid().SetData(row, 2, rand() * 100 / RAND_MAX, 0); 
		m_Chart.GetDataGrid().SetData(row, 3, rand() * 100 / RAND_MAX, 0); 
    } 
 
	m_Chart.Refresh();	 
} 
 
void CDemoView::OnChartLine()  
{ 
	m_Chart.SetChartType(3); 
	DrawChart(); 
} 
 
void CDemoView::OnChartCombi()  
{ 
	m_Chart.SetChartType(1);	 
	DrawChart(); 
} 
 
void CDemoView::OnChartPie()  
{ 
	m_Chart.SetChartType(14); 
	DrawChart(); 
}