graphicstool.cpp

一个跳跳球的游戏

#include "GraphicsTool.h"

namespace gamespace
{

void CGraphicsTool::DrawImage( CBitmapContext& aGc, CFbsBitmap* aImage, CFbsBitmap* aImgMask,
							  TInt aX /*= 0*/, TInt aY /*= 0*/, TInt aSrcW /*= 0*/, 
							  TInt aSrcH /*= 0*/, TInt aSrcX /*= 0*/, TInt aSrcY /*= 0*/)
{
	TRect   rect( TPoint( aSrcX, aSrcY), TSize( aSrcW, aSrcH ) );

 	if ( aImgMask )
 		aGc.BitBltMasked( TPoint( aX, aY ), aImage, rect, aImgMask, ETrue );
 	else
 		aGc.BitBlt( TPoint( aX, aY ), aImage );
}

void CGraphicsTool::DrawText( CBitmapContext &aGc,const CFont *aFont,const TDesC &aText,TRect aRect, 
							 CGraphicsContext::TTextAlign aAlign , TInt aLeftMargin )
{
	aGc.UseFont(aFont);
	aGc.SetPenStyle(CGraphicsContext::ESolidPen);
	aGc.SetPenColor(KRgbWhite);
	aGc.SetBrushStyle(CGraphicsContext::ENullBrush);

	TInt baseline = aRect.Height() /2 + aFont->AscentInPixels()/2;
	aGc.DrawText(aText,aRect,baseline,aAlign, aLeftMargin );
}

void CGraphicsTool::DrawRect( CBitmapContext& aGc, TRect aRect , TRgb aColor /*= KRgbWhite*/, 
							 TBool aUseBrush /*= FALSE*/, TInt size /*= 1 */ )
{
	if ( aUseBrush )
	{
		aGc.SetBrushColor( aColor );
		aGc.SetBrushStyle( CGraphicsContext::ESolidBrush );
	}
	else
	{
		aGc.SetBrushColor( aColor );
		aGc.SetPenStyle( CGraphicsContext::ESolidPen );
		aGc.SetBrushStyle( CGraphicsContext::ENullBrush );
	}
	aGc.DrawRect( aRect );
}

}