public GuiElementDrawCommandHandle createDrawText(string text, SpatialVectorDouble signScale, Color color)
{
ulong id;
GuiElementDrawCommand guiElementDrawCommand = guiElementDrawCommands.createNewGuiElementDrawCommandAndIncrementId(GuiElementDrawCommand.EnumType.LINES, out id);
// create lineCommandInterpreter which fills the lines into the GuiElementDrawCommand
// lineRendererDriver which receives Hershey commands and translates it into line commands
// hersheyInterpreter which interprets hershey commands of the signs
var lineCommandInterpreter = new SoftwareGuiTextRendererLineCommandInterpreter();
LineRendererDriver lineRendererDriver = new LineRendererDriver(lineCommandInterpreter);
// OPTIMIZATION EXTREMELY LOW< we could cache this object >
HersheyTextRenderer textRenderer = new HersheyTextRenderer();
textRenderer.lineRendererDriver = lineRendererDriver;
lineCommandInterpreter.reset();
lineRendererDriver.scale = signScale;
textRenderer.loadHersheyCommands(@"D:\win10host\files\github\WhiteSphereEngine\resources\engine\graphics\font\hershey");
textRenderer.renderString(text, signScale, new SpatialVectorDouble(new double[] { 0, 0 }));
guiElementDrawCommand.lines = lineCommandInterpreter.lines; // transfer the line command
return(new GuiElementDrawCommandHandle(id));
}
public static GuiElementDrawCommand makeLines(IList <Line> lines)
{
GuiElementDrawCommand created = new GuiElementDrawCommand(EnumType.LINES);
created.lines = lines;
return(created);
}
public static GuiElementDrawCommand makeClosedLoopGeometry(IList <SpatialVectorDouble> closedLoopGeometry)
{
GuiElementDrawCommand created = new GuiElementDrawCommand(EnumType.CLOSEDLOOPGEOMETRY);
created.closedLoopGeometry = closedLoopGeometry;
return(created);
}
public GuiElementDrawCommand createNewGuiElementDrawCommandAndIncrementId(GuiElementDrawCommand.EnumType type, out ulong id)
{
GuiElementDrawCommand created = new GuiElementDrawCommand(type);
drawCommandsById[idCounter] = created;
id = idCounter;
idCounter++;
return(created);
}
public GuiElementDrawCommandHandle createFillClosedLines(ClosedLoop outline, Color color, float Transparency, uint StartIndex)
{
ulong id;
GuiElementDrawCommand guiElementDrawCommand = guiElementDrawCommands.createNewGuiElementDrawCommandAndIncrementId(GuiElementDrawCommand.EnumType.CLOSEDLOOPGEOMETRY, out id);
guiElementDrawCommand.closedLoopGeometry = outline.points;
return(new GuiElementDrawCommandHandle(id));
}
public void draw(GuiElementDrawCommandHandle handle, SpatialVectorDouble position)
{
if (graphics == null)
{
return;
}
if (handle.id == 0xdeadf00d) // pseudo special handle to ignore rendering
{
return;
}
GuiElementDrawCommand drawCommand = guiElementDrawCommands.drawCommandsById[handle.id];
if (drawCommand.type == GuiElementDrawCommand.EnumType.CLOSEDLOOPGEOMETRY)
{
Point[] points = new Point[drawCommand.closedLoopGeometry.Count + 1];
for (int i = 0; i < drawCommand.closedLoopGeometry.Count; i++)
{
// TODO< pull size of screen from context >
points[i] = new Point((int)((drawCommand.closedLoopGeometry[i].x + position.x) * 150.0f), (int)((drawCommand.closedLoopGeometry[i].y + position.y) * 150.0f));
}
points[points.Length - 1] = new Point((int)((drawCommand.closedLoopGeometry[0].x + position.x) * 150.0f), (int)((drawCommand.closedLoopGeometry[0].y + position.y) * 150.0f));
graphics.DrawLines(new Pen(Brushes.Black), points);
}
else if (drawCommand.type == GuiElementDrawCommand.EnumType.LINES)
{
foreach (var iLine in drawCommand.lines)
{
graphics.DrawLine(
new Pen(Brushes.Black),
(int)((iLine.a.x + position.x) * 150.0f), (int)((iLine.a.y + position.y) * 150.0f),
(int)((iLine.b.x + position.x) * 150.0f), (int)((iLine.b.y + position.y) * 150.0f)
);
}
}
}