C++ (Cpp) Context::closePath示例

示例#1

文件： PathSimplificationApp.cpp 项目： gregkepler/CinderPathFitter

void PathSimplificationApp::drawLine(cairo::Context &ctx, Vec2f const &pt1, Vec2f const &pt2, float thickness, Color col)
{
    ctx.setLineWidth(thickness);
    ctx.setSource(col);
    ctx.newSubPath();
    ctx.moveTo(pt1.x, pt1.y);
    ctx.lineTo(pt2.x, pt2.y);
    
    ctx.closePath();
    ctx.stroke();
}

示例#2

文件： CairoBasicApp.cpp 项目： I33N/Cinder

	void makePath( cairo::Context &ctx ) const
	{
		for( int petal = 0; petal < mNumPetals; ++petal ) {
			ctx.newSubPath();
			float petalAngle = ( petal / (float)mNumPetals ) * 2 * M_PI;
			Vec2f outsideCircleCenter = mLoc + Vec2f::xAxis() * cos( petalAngle ) * mRadius + Vec2f::yAxis() * sin( petalAngle ) * mRadius;
			Vec2f insideCircleCenter = mLoc + Vec2f::xAxis() * cos( petalAngle ) * mPetalInsideRadius + Vec2f::yAxis() * sin( petalAngle ) * mPetalInsideRadius;
			ctx.arc( outsideCircleCenter, mPetalOutsideRadius, petalAngle + M_PI / 2 + M_PI, petalAngle + M_PI / 2 );
			ctx.arc( insideCircleCenter, mPetalInsideRadius, petalAngle + M_PI / 2, petalAngle + M_PI / 2 + M_PI );
			ctx.closePath();
		}		
	}

示例#3

文件： ContinuousPathApp.cpp 项目： gregkepler/CinderPathFitter

void ContinuousPathApp::drawCircle(cairo::Context &ctx, Vec2f const &pt, double diameter,  Color col, bool outline)
{
    ctx.setLineWidth(1);
    ctx.setSource( col );
    ctx.newSubPath();
    ctx.circle( pt.x, pt.y, diameter );
    ctx.closePath();
    
    if(outline){
        ctx.stroke();
    }else{
        ctx.fill();   
    }
}