C++ (Cpp) Rect::IsValid Examples

Example #1

File: progressbar.cpp Project: rickcaudill/Pyro

//see os::View
void ProgressBar::Paint( const Rect & cUpdateRect )
{
	//get normalized bounds
	//bounds to floor
	//draw frame with those bounds
	Rect cBounds = GetNormalizedBounds();
	cBounds.Floor();

	//set the fgcolor to black
	//then fill the whole rect with black
	SetFgColor(0,0,0);
	FillRect(cBounds);

	//now lets set the appropriate color
	if (HasFocus())
		SetFgColor(get_default_color(COL_FOCUS));
	else
		SetFgColor(get_default_color(COL_ICON_SELECTED));


	//lets create the bar length
	//then make it look correct
	float vBarLength = ( m->m_eOrientation == HORIZONTAL ) ? cBounds.Width() : cBounds.Height(  );
	vBarLength = ceil( ( vBarLength - 3.0f ) * m->m_vProgress );  //bar length becomes the ceil of the (bar length - 3) * progress

	Rect cBarFrame = cBounds;
	cBarFrame.Resize( 1.0f, 1.0f, -1.0f, -1.0f );
	Rect cRestFrame = cBarFrame;

	if( vBarLength < 1.0f ) //so if bar length is not valid
	{
		FillRect( cRestFrame, GetBgColor() );
	}
	else
	{

		//lets calculate the correct bar length

		if( m->m_eOrientation == HORIZONTAL )
		{
			cBarFrame.right = cBarFrame.left + vBarLength;
			if( cBarFrame.right > cBounds.right - 2.0f )
			{
				cBarFrame.right = cBounds.right - 2.0f;
			}
			cRestFrame.left = cBarFrame.right + 1.0f;
		}
		else
		{
			cBarFrame.top = cBarFrame.bottom - vBarLength;
			if( cBarFrame.right < cBounds.right + 2.0f )
			{
				cBarFrame.top = cBounds.top + 2.0f;
			}
			cRestFrame.bottom = cBarFrame.top - 1.0f;
		}

		//if bar length is valid
		if( vBarLength >= 1.0f )
		{
			FillRect( cBarFrame, GetFgColor() );
		}

		//if the rest of the frame is valid
		if( cRestFrame.IsValid() )
		{
			FillRect( cRestFrame, GetBgColor() );
		}
	}
}