protected override void RenderCursor()
{
uint colorCursor = (uint)ColorCursor.ToArgb();
uint colorCursorBox = (uint)CursorBoxColor.ToArgb();
float stubLength = (float)DirectXHeight / 10.0f;
float xPos = (float)LastMousePos.X;
float yPos = (float)LastMousePos.Y;
float unit = (float)(SampleFromYPos(yPos) * ScaleUnitFactor);
if (UpdateCursor)
{
UpdateCursor = false;
/* draw vertical cursor line */
if (xPos > DirectXWidth / 2)
{
CursorVertexesVert[0].PositionRhw.X = xPos - 30;
}
else
{
CursorVertexesVert[0].PositionRhw.X = xPos + 30;
}
CursorVertexesVert[1].PositionRhw.X = xPos;
CursorVertexesVert[2].PositionRhw.X = xPos;
CursorVertexesVert[3].PositionRhw.X = xPos;
/* horizontal line */
CursorVertexesHor[0].PositionRhw.X = xPos - 30;
CursorVertexesHor[0].PositionRhw.Y = yPos;
CursorVertexesHor[1].PositionRhw.X = xPos;
CursorVertexesHor[1].PositionRhw.Y = yPos;
CursorVertexesHor[2].PositionRhw.X = xPos + 30;
CursorVertexesHor[2].PositionRhw.Y = yPos;
/* recalc lines (this is needed just once btw.) */
CursorVertexesVert[0].PositionRhw.Y = 20;
CursorVertexesVert[0].PositionRhw.Z = 0.5f;
CursorVertexesVert[0].PositionRhw.W = 1;
CursorVertexesVert[0].Color = colorCursor & 0x00FFFFFF;
CursorVertexesVert[1].PositionRhw.Y = 20 + stubLength;
CursorVertexesVert[1].PositionRhw.Z = 0.5f;
CursorVertexesVert[1].PositionRhw.W = 1;
CursorVertexesVert[1].Color = colorCursor;
CursorVertexesVert[2].PositionRhw.Y = DirectXHeight - stubLength;
CursorVertexesVert[2].PositionRhw.Z = 0.5f;
CursorVertexesVert[2].PositionRhw.W = 1;
CursorVertexesVert[2].Color = colorCursor;
CursorVertexesVert[3].PositionRhw.Y = DirectXHeight;
CursorVertexesVert[3].PositionRhw.Z = 0.5f;
CursorVertexesVert[3].PositionRhw.W = 1;
CursorVertexesVert[3].Color = colorCursor;
CursorVertexesHor[0].PositionRhw.Z = 0.5f;
CursorVertexesHor[0].PositionRhw.W = 1;
CursorVertexesHor[0].Color = colorCursor & 0x00FFFFFF;
CursorVertexesHor[1].PositionRhw.Z = 0.5f;
CursorVertexesHor[1].PositionRhw.W = 1;
CursorVertexesHor[1].Color = colorCursor;
CursorVertexesHor[2].PositionRhw.Z = 0.5f;
CursorVertexesHor[2].PositionRhw.W = 1;
CursorVertexesHor[2].Color = colorCursor & 0x00FFFFFF;
}
if (MouseHovering || ShowVerticalCursor)
{
string signalPower = unit + " " + ScaleUnit;
string positionLabel;
if (OverviewMode)
{
positionLabel = XLabelFromSampleNum(xPos);
}
else
{
positionLabel = XLabelFromCursorPos(xPos);
}
int signalPowerWidth = SmallFont.MeasureString(null, signalPower, DrawTextFormat.Center).Width;
int positionLabelWidth = SmallFont.MeasureString(null, positionLabel, DrawTextFormat.Center).Width;
int signalPowerHeight = SmallFont.MeasureString(null, signalPower, DrawTextFormat.Center).Height;
int positionLabelHeight = SmallFont.MeasureString(null, positionLabel, DrawTextFormat.Center).Height;
int boxWidth = 10 + Math.Max(signalPowerWidth, positionLabelWidth);
int boxHeight = 10 + signalPowerHeight + positionLabelHeight;
int boxY = 20;
int boxX = (int)xPos;
if (xPos > DirectXWidth / 2)
{
boxX -= boxWidth + 25;
}
else
{
boxX += 25;
}
BuildStripRectangle(CursorRectVertexes, colorCursorBox & 0x3FFFFFFF, boxX, boxX + boxWidth, boxY + boxHeight, boxY);
Device.DrawUserPrimitives(PrimitiveType.TriangleStrip, 2, CursorRectVertexes);
Device.DrawUserPrimitives(PrimitiveType.LineStrip, 3, CursorVertexesVert);
if (MouseHovering)
{
/* draw the strength into box */
SmallFont.DrawString(null, signalPower, boxX + 5, boxY + 5, ColorFG.ToArgb());
Device.DrawUserPrimitives(PrimitiveType.LineStrip, 2, CursorVertexesHor);
}
/* draw the horizontal into box */
SmallFont.DrawString(null, positionLabel, boxX + 5, boxY + 5 + signalPowerHeight, ColorFG.ToArgb());
}
}
protected override void CreateVertexBufferForPoints(Point[] points, int numPoints)
{
if (points == null)
{
return;
}
try
{
uint colorFG = ((uint)ColorFG.ToArgb()) & 0xFFFFFF;
if (numPoints > 0)
{
double xDist = 1;
if (RenderAsLines)
{
if (PlotVerts == null || numPoints > PlotVerts.Length)
{
PlotVerts = new Vertex[numPoints];
}
if (numPoints > PlotVertsOverview.Length)
{
PlotVertsOverview = new Vertex[numPoints];
}
PlotVertsEntries = numPoints - 1;
xDist = DirectXWidth / ((double)PlotVertsEntries);
}
else
{
if (numPoints * 2 > PlotVerts.Length)
{
PlotVerts = new Vertex[numPoints * 2];
PlotVertsOverview = new Vertex[numPoints * 2];
}
PlotVertsEntries = 2 * numPoints - 1;
xDist = DirectXWidth / ((double)PlotVertsEntries / 2.0f);
}
int outPos = 0;
for (int pos = 0; pos < numPoints; pos++)
{
double yVal = points[pos].Y;
double xPos = (double)points[pos].X * xDist;
PlotVerts[outPos].PositionRhw.X = (float)Math.Min(DirectXWidth, Math.Max(0, ((XAxisSampleOffset + xPos) * XZoomFactor - DisplayXOffset)));
PlotVerts[outPos].PositionRhw.Y = (float)Math.Min(DirectXHeight, Math.Max(0, yVal));
PlotVerts[outPos].PositionRhw.Z = 0.5f;
PlotVerts[outPos].PositionRhw.W = 1;
PlotVerts[outPos].Color = 0x9F000000 | colorFG;
if (OverviewModeEnabled)
{
PlotVertsOverview[pos].PositionRhw.X = (float)Math.Min(DirectXWidth, Math.Max(0, (XAxisSampleOffset + xPos)));
PlotVertsOverview[pos].PositionRhw.Y = PlotVerts[pos].PositionRhw.Y;
PlotVertsOverview[pos].PositionRhw.Z = PlotVerts[pos].PositionRhw.Z;
PlotVertsOverview[pos].PositionRhw.W = PlotVerts[pos].PositionRhw.W;
PlotVertsOverview[pos].Color = PlotVerts[pos].Color;
}
outPos++;
if (!RenderAsLines)
{
PlotVerts[outPos] = PlotVerts[outPos - 1];
PlotVerts[outPos].PositionRhw.Z += 0.1f;
outPos++;
}
}
try
{
foreach (DirectXDrawable drawable in Drawables)
{
if (drawable is PlotVertsSink)
{
((PlotVertsSink)drawable).ProcessPlotVerts(PlotVerts, PlotVertsEntries);
}
}
}
catch (Exception e)
{
}
}
}
catch (Exception e)
{
return;
}
}