public void Dispose()
{
AxisPen.Dispose();
AxisFont.Dispose();
AxisBrush.Dispose();
LegendFont.Dispose();
LegendBrush.Dispose();
foreach (Pen pen in SeriesPens)
{
pen.Dispose();
}
}
/// <summary>
/// Draw axis with all lines
/// </summary>
/// <param name="gl"></param>
private void DrawAxis(OpenGL gl, double width, double height)
{
//Get the axis color, secondary lines color and ticks color
var axisLineColor = AxisBrush.GetRGBAf();
var axisSecondaryLineColor = SecondaryGridBrush.GetRGBAf();
var ticksColor = TicksBrush.GetRGBAf();
var ticksScaleColor = TicksScaleBrush.GetRGBAf();
// Get length of Tick line
double tickWidth = 5;
#region Draw YTicks and labels
// Ticks line of axis-Y and ticks
double gapY = height / (YGapCount + 1);
double realValueOfGapY = (MaxY - MinY) / (YGapCount + 1);
for (int num = 0; num <= YGapCount + 1; num++)
{
double posX = tickWidth;
double posY = gapY * num;
// Draw secondary line
if (IsSecondaryLineVisible)
{
gl.PushAttrib(OpenGL.GL_ENABLE_BIT);
if (IsDotDash)
{
gl.LineStipple(1, 0xAAAA);
gl.Enable(OpenGL.GL_LINE_STIPPLE);
}
else
{
gl.Disable(OpenGL.GL_LINE_STIPPLE);
}
gl.Color(axisSecondaryLineColor[0], axisSecondaryLineColor[1], axisSecondaryLineColor[2]);// will be chaged by drawText if without it
gl.Begin(OpenGL.GL_LINES);
gl.Vertex(0.0d, posY);
gl.Vertex(width, posY);
gl.End();
gl.PopAttrib();
}
// Draw ticks line
gl.Color(ticksScaleColor[0], ticksScaleColor[1], ticksScaleColor[2]);// will be chaged by drawText if without it
gl.Begin(OpenGL.GL_LINES);
gl.Vertex(0.0d, posY);
gl.Vertex(tickWidth, posY);
gl.End();
// Draw ticks
string dispText = (num * realValueOfGapY + MinY).ToString("f2");
double textWidth = 0, textHeight = 0;
GetSizeOfText(gl, dispText, ref textWidth, ref textHeight);
double textPosX = 2 * tickWidth;
double textPosY = num == YGapCount + 1 ? posY - textHeight : (num == 0 ? posY + 2 : posY);
DrawString(gl, dispText, (int)textPosX, (int)textPosY, ticksColor);
}
#endregion
#region Draw XTicks and labels
// Ticks line of axis-X and ticks
double gapX = width / (XGapCount + 1);
double realValueOfGapX = (MaxX - MinX).TotalMilliseconds / (XGapCount + 1);// Milliseconds in one gap
for (int num = 0; num <= XGapCount + 1; num++)
{
double posX = num * gapX;
// Draw secondary line
if (IsSecondaryLineVisible)
{
gl.PushAttrib(OpenGL.GL_ENABLE_BIT);
if (IsDotDash)
{
gl.LineStipple(1, 0xAAAA);
gl.Enable(OpenGL.GL_LINE_STIPPLE);
}
else
{
gl.Disable(OpenGL.GL_LINE_STIPPLE);
}
gl.Color(axisSecondaryLineColor[0], axisSecondaryLineColor[1], axisSecondaryLineColor[2]);// will be chaged by drawText if without it
gl.Begin(OpenGL.GL_LINES);
gl.Vertex(posX, 0.0d);
gl.Vertex(posX, height);
gl.End();
gl.PopAttrib();
}
// Draw ticks line
gl.Color(ticksScaleColor[0], ticksScaleColor[1], ticksScaleColor[2]);// will be chaged by drawText if without it
gl.Begin(OpenGL.GL_LINES);
gl.Vertex(posX, 0.0d);
gl.Vertex(posX, tickWidth);
gl.End();
// Draw text
string dispText = (MinX + TimeSpan.FromMilliseconds(realValueOfGapX * num)).ToString("HH:mm:ss");
double textWidth = 0, textHeight = 0;
GetSizeOfText(gl, dispText, ref textWidth, ref textHeight);
double textPosX = num == XGapCount + 1 ? posX - textWidth - 5 : posX - textWidth / 2;
double textPosY = tickWidth + textHeight / 2;
DrawString(gl, dispText, (int)textPosX, (int)textPosY, ticksColor);
}
#endregion
#region Draw Axis-X and Axis-Y
// Left line of axis-Y
gl.Color(axisLineColor[0], axisLineColor[1], axisLineColor[2]);
gl.Begin(OpenGL.GL_LINES);
gl.Vertex(0.0d, 0.0d);
gl.Vertex(0.0d, height);
gl.End();
// Draw right line when the axis is boxed
if (IsBoxed)
{
gl.Begin(OpenGL.GL_LINES);
gl.Vertex(width, 0.0d);
gl.Vertex(width, height);
gl.End();
}
// Left line of axis-Y
gl.Color(axisLineColor[0], axisLineColor[1], axisLineColor[2]);
gl.Begin(OpenGL.GL_LINES);
gl.Vertex(0.0d, 0.0d);
gl.Vertex(width, 0.0d);
gl.End();
// Draw right line when the axis is boxed
if (IsBoxed)
{
gl.Begin(OpenGL.GL_LINES);
gl.Vertex(0.0d, height);
gl.Vertex(width, height);
gl.End();
}
#endregion
}
