guiUtils

guiUtils = {}

function guiUtils.saveColors(monitor)
    print(monitor)
    guiUtils.savedColors = {monitor.getTextColor(),monitor.getBackgroundColor()}
end

function guiUtils.restoreColors(monitor)
    monitor.setTextColor( guiUtils.savedColors[1] )
    monitor.setBackgroundColor( guiUtils.savedColors[2] )
end

function guiUtils.clearArea(monitor,rect)
    --guiUtils.saveColors(monitor)

    monitor.setTextColor(colors.black)
    monitor.setBackgroundColor(colors.black)

    for dY=1,rect.h,1 do
        monitor.setCursorPos(rect.x,rect.y+dY-1)
        monitor.write(string.rep(" ",rect.w))
    end

    --guiUtils.restoreColors(monitor)
end