public DrawingSurface()
{
InitializeComponent();
worldTransform = new WorldTransform();
CurrentTool = new NullTool();
// attach to the run control service if this is runtime
if (LicenseManager.UsageMode == LicenseUsageMode.Runtime) {
Services.RunControlService.DrawCycle += RunControlService_DrawCycle;
}
}
public void Render(IGraphics g, WorldTransform wt)
{
if (avoidanceDetails == null)
return;
if (drawBoundPoints) {
PointF vehicleLoc = Utility.ToPointF(Services.VehicleStateService.Location);
g.GoToVehicleCoordinates(vehicleLoc, (float)Services.VehicleStateService.Heading + (float)Math.PI/2.0f);
for (int i = 0; i < avoidanceDetails.smoothingDetails.leftBounds.Length; i++) {
BoundInformation b = avoidanceDetails.smoothingDetails.leftBounds[i];
DrawingUtility.DrawControlPoint(g, b.point, Color.Blue, null, ContentAlignment.MiddleRight, ControlPointStyle.LargeX, wt);
}
for (int i = 0; i < avoidanceDetails.smoothingDetails.rightBounds.Length; i++) {
BoundInformation b = avoidanceDetails.smoothingDetails.rightBounds[i];
DrawingUtility.DrawControlPoint(g, b.point, Color.Red, null, ContentAlignment.MiddleRight, ControlPointStyle.LargeX, wt);
}
g.ComeBackFromVehicleCoordinates();
}
}
public void Render(IGraphics g, WorldTransform wt)
{
Coordinates wll = wt.WorldLowerLeft;
Coordinates wur = wt.WorldUpperRight;
PointF ll = new PointF((float)wll.X, (float)wll.Y);
PointF ur = new PointF((float)wur.X, (float)wur.Y);
float startX = (float)Math.Floor(wll.X / spacing) * spacing;
float endX = (float)Math.Ceiling(wur.X / spacing) * spacing;
float startY = (float)Math.Floor(wll.Y / spacing) * spacing;
float endY = (float)Math.Ceiling(wur.Y / spacing) * spacing;
IPen p = g.CreatePen();
p.Color = color;
p.Width = nominal_pixel_width/wt.Scale;
string formatString;
if (spacing >= 1) {
formatString = "F0";
}
else if (spacing >= 0.1) {
formatString = "F1";
}
else if (spacing >= 0.01) {
formatString = "F2";
}
else {
formatString = "F4";
}
// find the largest value (in magnitude) that we'll need to draw, assuming this will be the max length string
float testVal = Math.Max(Math.Max(Math.Abs(startX), Math.Abs(endX)), Math.Max(Math.Abs(startY), Math.Abs(endY)));
string testString = testVal.ToString(formatString);
SizeF nomStringSize = g.MeasureString(testString, labelFont);
SizeF unitStringSize = g.MeasureString(testString + " m", labelFont);
float pixelSpacing = spacing * wt.Scale;
bool drawLabels = showLabels && pixelSpacing >= (nomStringSize.Width + nominal_label_spacing*2);
bool drawUnits = pixelSpacing >= (unitStringSize.Width + nominal_label_spacing*2);
float labelSpacing = nominal_label_spacing/wt.Scale;
// don't draw if there are too many lines
if ((endX - startX) / spacing <= max_lines && (endY - startY) / spacing <= max_lines && pixelSpacing >= min_pixel_spacing) {
for (float x = startX; x <= endX; x += spacing) {
g.DrawLine(p, new PointF(x, ll.Y), new PointF(x, ur.Y));
}
for (float y = startY; y <= endY; y += spacing) {
g.DrawLine(p, new PointF(ll.X, y), new PointF(ur.X, y));
}
if (drawLabels) {
float minX = ll.X + unitStringSize.Width/wt.Scale + 2*labelSpacing;
for (float x = startX; x <= endX; x += spacing) {
if (x > minX) {
g.DrawString(x.ToString(formatString) + (drawUnits ? " m" : ""), labelFont, Color.Black, new PointF(x + labelSpacing, ll.Y + labelSpacing + nomStringSize.Height/wt.Scale));
}
}
for (float y = startY; y <= endY; y += spacing) {
g.DrawString(y.ToString(formatString) + (drawUnits ? " m" : ""), labelFont, Color.Black, new PointF(ll.X + labelSpacing, y + labelSpacing));
}
}
}
}
public WorldTransform Clone()
{
WorldTransform wt = new WorldTransform(scale, centerPoint, screenSize);
wt.centerScreen = centerScreen;
return wt;
}
