C++ (Cpp) Context::arc Examples

Example #1

File: CairoBasicApp.cpp Project: 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();
		}		
	}