basicdrawcontainer2.cpp

《基于symbian手机开发与应用》一书的源代码

/*
* ============================================================================
*  Name     : CBasicDrawContainer2 from BasicDrawContainer2.cpp
*  Part of  : BasicDraw
*  Created  : 2006-4-15 by Hewei
*  Implementation notes:
*     Initial content was generated by Series 60 AppWizard.
*  Version  :
*  Copyright: Myself
* ============================================================================
*/

// INCLUDE FILES
#include "BasicDrawContainer2.h"
#include <gdi.h>
#include <aknutils.h> 
//color:
const TInt KColorBlue=210;
const TInt KColorRed=35;
const TInt KColorGreen=185;
const TInt KColorYellow=5;
const TInt KColorBlack=215;

// ================= MEMBER FUNCTIONS =======================

// ---------------------------------------------------------
// CBasicDrawContainer2::ConstructL(const TRect& aRect)
// EPOC two phased constructor
// ---------------------------------------------------------
//
void CBasicDrawContainer2::ConstructL(const TRect& aRect)
    {
    CreateWindowL();


    SetRect(aRect);
    ActivateL();
    }

// Destructor
CBasicDrawContainer2::~CBasicDrawContainer2()
    {
    }

// ---------------------------------------------------------
// CBasicDrawContainer2::SizeChanged()
// Called by framework when the view size is changed
// ---------------------------------------------------------
//
void CBasicDrawContainer2::SizeChanged()
    {
    

    }

// ---------------------------------------------------------
// CBasicDrawContainer2::CountComponentControls() const
// ---------------------------------------------------------
//
TInt CBasicDrawContainer2::CountComponentControls() const
    {
    return 0; // return nbr of controls inside this container
    }

// ---------------------------------------------------------
// CBasicDrawContainer2::ComponentControl(TInt aIndex) const
// ---------------------------------------------------------
//
CCoeControl* CBasicDrawContainer2::ComponentControl(TInt aIndex) const
    {
    switch ( aIndex )
        {
        case 0:
         
        default:
            return NULL;
        }
    }

// ---------------------------------------------------------
// CBasicDrawContainer2::Draw(const TRect& aRect) const
// ---------------------------------------------------------
//
void CBasicDrawContainer2::Draw(const TRect& aRect) const
    {
    CWindowGc& gc = SystemGc();
    gc.Clear(aRect);
	//set color:
	TRgb colorBlue=AKN_LAF_COLOR(KColorBlue);
	TRgb colorRed=AKN_LAF_COLOR(KColorRed);
	TRgb colorGreen=AKN_LAF_COLOR(KColorGreen);
    TRgb colorYellow=AKN_LAF_COLOR(KColorYellow);
	TRgb colorBlack=AKN_LAF_COLOR(KColorBlack);

	//set draw property
	gc.SetPenStyle(CGraphicsContext::ESolidPen);
	gc.SetBrushStyle(CGraphicsContext::ESolidBrush);
	//center point
	TPoint CenterPoint=aRect.Center();
	//draw line
    gc.SetPenColor(colorBlack);
	TPoint Line1Start=TPoint(0,CenterPoint.iY);
	TPoint Line1End=TPoint(aRect.iBr.iX,CenterPoint.iY);
    TPoint Line2Start=TPoint(CenterPoint.iX,0);
	TPoint Line2End=TPoint(CenterPoint.iX,aRect.iBr.iY);
	gc.DrawLine(Line1Start,Line1End);
    gc.DrawLine(Line2Start,Line2End);
	//draw rect:
	gc.SetPenColor(KColorBlack);
	gc.SetBrushColor(KColorBlue);
	TRect rect;
	rect.iTl=TPoint(0,0);
	rect.iBr=CenterPoint;
	gc.DrawRect(rect);
	//draw circle
	TRect circleRect;
	TSize IncrementSize=TSize(30,25);
	TSize Extent(30,30);
	TPoint centerInX(CenterPoint.iX,0);
	circleRect.iTl=centerInX+IncrementSize;
	circleRect.iBr=circleRect.iTl+Extent;
	gc.SetBrushColor(colorGreen);
	gc.DrawEllipse(circleRect);
	//draw Ellipse
	TPoint Start=TPoint(0,CenterPoint.iY);
	TPoint End=TPoint(CenterPoint.iX,aRect.iBr.iY);
	TRect  EllipseRect(Start,End);
    gc.SetBrushColor(colorYellow);
	gc.DrawEllipse(EllipseRect);
	//draw Pie
    TRect pieRect;
	pieRect.iTl=CenterPoint;
	pieRect.iBr=aRect.iBr;
	TPoint pieStart=TPoint(CenterPoint.iX+(aRect.iBr.iX-CenterPoint.iX)/2,aRect.iBr.iY);
    TPoint pieEnd=TPoint(CenterPoint.iX,CenterPoint.iY+(aRect.iBr.iY-CenterPoint.iY)/2);
	gc.SetBrushColor(colorBlue);
	gc.DrawPie(pieRect,pieStart,pieEnd);

    

    }

// ---------------------------------------------------------
// CBasicDrawContainer2::HandleControlEventL(
//     CCoeControl* aControl,TCoeEvent aEventType)
// ---------------------------------------------------------
//
void CBasicDrawContainer2::HandleControlEventL(
    CCoeControl* /*aControl*/,TCoeEvent /*aEventType*/)
    {
    // TODO: Add your control event handler code here
    }


// End of File