/// <summary>
/// Initializes a new instance of the <see cref="Legend"/> class.
/// </summary>
/// <param name="textInstance">The text instance.</param>
public Legend(TextInstance textInstance)
{
_legendEntries = new List <LegendEntry>();
_border = new GL_Border(Color.Black, textInstance.Shaders);
_textInstance = textInstance;
_linesShader = textInstance.Shaders.LineShader;
_rect = new GLRectangleF(0, 0, 0, 0);
_innerRect = new GLRectangleF(0, 0, 0, 0);
_entryGapX = 2;
_nEntriesVert = 5;
_margin = new Margin();
_margin.Left = 10;
_margin.Right = 10;
_margin.Top = 2;
_margin.Bottom = 5;
_lineHeight = textInstance.FontSize * 0.8;
_VBOLine = GL.GenBuffer();//set up OpenGL by generating buffers and using the shader
_VAOLine = GL.GenVertexArray();
_linesShader.Use();
GL.BindVertexArray(_VAOLine);//setting up VAO states and binding the VBO
GL.EnableVertexAttribArray(_linesShader.VertexLocation);
GL.BindBuffer(BufferTarget.ArrayBuffer, _VBOLine);
_mat = Matrix4.Identity;
GL.UniformMatrix4(_linesShader.MatrixLocation, false, ref _mat);
GL.VertexAttribPointer(_linesShader.VertexLocation, 2, VertexAttribPointerType.Float, false, 2 * sizeof(float), 0);
GL.BindVertexArray(0);
_linesShader.StopUse();
}
/// <summary>
/// Initializes a new instance of the <see cref="Scale"/> class.
/// </summary>
/// <param name="ownerAxis">The owner axis.</param>
/// <param name="TextInstance">The text instance.</param>
public Scale(Axis ownerAxis, TextInstance TextInstance)
{
_ownerAxis = ownerAxis;
_textInstance = TextInstance;
_min = 0.0;
_max = 10.0;
_majorStep = 1;
_minorStep = 0.1;
_targetXSteps = 7;
_targetYSteps = 7;
_targetMinorXSteps = 5;
_targetMinorYSteps = 5;
_VBO = GL.GenBuffer(); //generate VBO, VAO and setting them up here
_VAO = GL.GenVertexArray();
_linesShader = TextInstance.Shaders.LineShader;
_linesShader.Use();
GL.BindVertexArray(_VAO);
GL.EnableVertexAttribArray(_linesShader.VertexLocation);
GL.BindBuffer(BufferTarget.ArrayBuffer, _VBO);
_mat = Matrix4.Identity;
GL.UniformMatrix4(_linesShader.MatrixLocation, false, ref _mat);
GL.VertexAttribPointer(_linesShader.VertexLocation, 2, VertexAttribPointerType.Float, false, 2 * sizeof(float), 0);
GL.BindVertexArray(0);
_linesShader.StopUse();
}
/// <summary>
/// Raises the <see cref="E:System.Windows.Forms.UserControl.Load" /> event.
/// Sets all the properties up but only if the form is not in designer mode,
/// because OpenGL calls in the Designer cause errors.
/// </summary>
/// <param name="e">An <see cref="T:System.EventArgs" /> that contains the event data.</param>
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
_rect = new Rectangle(0, 0, this.Size.Width, this.Size.Height);
this.MakeCurrent();
if (!(IsInDesignerMode()))
{
_shaders = new Shaders(Resources.LineShader_vert, Resources.LineShader_frag, Resources.TextShader_vert, Resources.TextShader_frag);
_textInstance = new TextInstance(_shaders);
_graphPane = new GraphPane(_rect, _textInstance);
_graphPane.ReSize(new GLRectangleF(0, 0, (int)_rect.Width, (int)_rect.Height));
_textInstance.GenerateFontImage(_graphPane.Rect);
GL.ClearColor(1.0f, 1.0f, 1.0f, 0.0f);
_zoomPanState = new ZoomPanState(ref _graphPane);
_FrameTimer.Tick += FrameTimer_Tick;
_FrameTimer.Interval = 25;
_FrameTimer.Start();
_stopwatch = new Stopwatch();
_stopwatch2 = new Stopwatch();
_stopwatch.Reset();
_stopwatch2.Reset();
_stopwatch.Start();
}
}
/// <summary>
/// Initializes a new instance of the <see cref="GraphPane"/> class
/// using a Rectangle describing the screen space.
/// </summary>
/// <param name="PaneRect">The pane rect.</param>
/// <param name="TextInstance">The text instance.</param>
public GraphPane(RectangleF PaneRect, TextInstance TextInstance) : base(PaneRect, TextInstance)
{
_chart = new Chart(TextInstance.Shaders);
_curveList = new CurveList(this, TextInstance);
_xAxis = new XAxis(TextInstance);
_yAxisList = new YAxisList(TextInstance);
_textInstance = TextInstance;
_shaders = TextInstance.Shaders;
_margin.Left = 2;
_margin.Top = 8;
}
/// <summary>
/// Initializes a new instance of the <see cref="Axis"/> class
/// mostly with default values.
/// </summary>
/// <param name="TextInstance">The text instance.</param>
public Axis(TextInstance TextInstance)
{
_majorTic = new MajorTic();
_minorTic = new MinorTic();
_zoomCorrection = Default.zoomCorrection;
_zoomDiff = Default.zoomDiff;
_axisGap = Default.AxisGap;
_numSpace = Default.numSpace;
_scale = new Scale(this, TextInstance);
_textInstance = TextInstance;
}
/// <summary>
/// Initializes a new instance of the <see cref="PaneBase"/> class.
/// </summary>
/// <param name="paneRect">The pane rect.</param>
/// <param name="textInstance">The text instance.</param>
public PaneBase(RectangleF paneRect, TextInstance textInstance)
{
_rect = new GLRectangleF(0, 0, 0, 0);
_rect.X = (int)paneRect.X;
_rect.Height = (int)paneRect.Height;
_rect.Width = (int)paneRect.Width;
_rect.Y = (int)paneRect.Bottom;
_margin = new Margin();
_glBorder = new GL_Border(Color.Black, textInstance.Shaders);
_legend = new Legend(textInstance);
}
/// <summary>
/// Initializes a new instance of the <see cref="Axis"/> class
/// with a given title string.
/// </summary>
/// <param name="title">The title.</param>
/// <param name="TextInstance">The text instance.</param>
public Axis(string title, TextInstance TextInstance) : this(TextInstance)
{
_title = new AxisLabel(title, TextInstance);
}
/// <summary>
/// Initializes a new instance of the <see cref="CurveList"/> class.
/// </summary>
/// <param name="pane">The <see cref="GraphPane"/>.</param>
/// <param name="TextInstance">The <see cref="TextInstance"/>.</param>
public CurveList(GraphPane pane, TextInstance TextInstance)
{
_textInstance = TextInstance;
_pane = pane;
}
/// <summary>
/// Initializes a new instance of the <see cref="GraphPane"/> class,
/// If there is only a TextInstance given. This is used in the
/// <see cref="global::CPHControl"/> Constructor
/// </summary>
/// <param name="TextInstance">The text instance.</param>
public GraphPane(TextInstance TextInstance)
: this(new RectangleF(0, 0, 500, 375), TextInstance)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="YAxis"/> class
/// with the given index.
/// </summary>
/// <param name="title">The title.</param>
/// <param name="TextInstance">The text instance.</param>
/// <param name="index">The index.</param>
public YAxis(string title, TextInstance TextInstance, int index)
: base(title, TextInstance)
{
_index = index;
}
/// <summary>
/// Initializes a new instance of the <see cref="YAxisList"/> class.
/// </summary>
/// <param name="TextInstance">The text instance.</param>
public YAxisList(TextInstance TextInstance)
{
_textInstance = TextInstance;
}
