C# RectangleDouble.ExpandToInclude方法代码示例

		public override string ReadLine() 
		{
			// Send any commands that are queue before moving on to the internal stream.
			string nextCommand = queuedCommands.ReadLine();
			if (nextCommand != null)
			{
				return nextCommand;
			}
			
			switch (recoveryState)
			{
				// heat the extrude to remove it from the part
				case RecoveryState.RemoveHeating:
					// TODO: make sure we heat up all the extruders that we need to (all that are used)
					queuedCommands.Add("G21; set units to millimeters");
					queuedCommands.Add("M107; fan off");
					queuedCommands.Add("T0; set the active extruder to 0");
					queuedCommands.Add("G90; use absolute coordinates");
					queuedCommands.Add("G92 E0; reset the expected extruder position");
					queuedCommands.Add("M82; use absolute distance for extrusion");
					queuedCommands.Add("M109 S{0}".FormatWith(ActiveSliceSettings.Instance.Helpers.ExtruderTemperature(0)));

					recoveryState = RecoveryState.Raising;
					return "";

				// remove it from the part
				case RecoveryState.Raising:
					queuedCommands.Add("M114 ; get current position");
					queuedCommands.Add("G91 ; move relative");
					queuedCommands.Add("G1 Z10 F{0}".FormatWith(MovementControls.ZSpeed));
					queuedCommands.Add("G90 ; move absolute");
					recoveryState = RecoveryState.Homing;
					return "";

				// if top homing, home the extruder
				case RecoveryState.Homing:
					if (ActiveSliceSettings.Instance.GetValue<bool>(SettingsKey.z_homes_to_max))
					{
						queuedCommands.Add("G28");
					}
					else
					{
						// home x
						queuedCommands.Add("G28 X0");
						// home y
						queuedCommands.Add("G28 Y0");
						// move to the place we can home z from
						Vector2 recoveryPositionXy = ActiveSliceSettings.Instance.GetValue<Vector2>(SettingsKey.recover_position_before_z_home);
						queuedCommands.Add("G1 X{0:0.###}Y{1:0.###}F{2}".FormatWith(recoveryPositionXy.x, recoveryPositionXy.y, MovementControls.XSpeed));
						// home z
						queuedCommands.Add("G28 Z0");
					}
					recoveryState = RecoveryState.FindingRecoveryLayer;
					return "";
					
				// This is to recover printing if an out a filament occurs. 
				// Help the user move the extruder down to just touching the part
				case RecoveryState.FindingRecoveryLayer:
					if (false) // help the user get the head to the right position
					{
						// move to above the completed print
						// move over a know good part of the model at the current top layer (extrude vertex from gcode)
						// let the user move down until they like the height
						// calculate that position and continue
					}
					else // we are resuming because of disconnect or reset, skip this
					{
						recoveryState = RecoveryState.SkippingGCode;
						goto case RecoveryState.SkippingGCode;
					}

				case RecoveryState.SkippingGCode:
					// run through the gcode that the device expected looking for things like temp
					// and skip everything else until we get to the point we left off last time
					int commandCount = 0;
					boundsOfSkippedLayers = RectangleDouble.ZeroIntersection;
					while (internalStream.FileStreaming.PercentComplete(internalStream.LineIndex) < percentDone)
					{
						string line = internalStream.ReadLine();
						if(line == null)
						{
							break;
						}
						commandCount++;

						// make sure we don't parse comments
						if(line.Contains(";"))
						{
							line = line.Split(';')[0];
						}
						lastDestination = GetPosition(line, lastDestination);

						if (commandCount > 100)
						{
							boundsOfSkippedLayers.ExpandToInclude(lastDestination.position.Xy);
							if (boundsOfSkippedLayers.Bottom < 10)
							{
								int a = 0;
							}
						}
//.........这里部分代码省略.........