Beispiel #1
0
        public void Paint(IGraphicsContext3D g, Altaxo.Graph.IPaintContext paintContext, bool bForPreview)
        {
            //_isStructureInSync = false;
            _isMeasureInSync = false; // Change: interpret text every time in order to update plot items and \ID

            if (!_isStructureInSync)
            {
                // this.Interpret(g);
                InterpretText();

                _isStructureInSync = true;
                _isMeasureInSync   = false;
            }

            using (var fontCache = new FontCache())
            {
                if (!_isMeasureInSync)
                {
                    // this.MeasureStructure(g, obj);
                    MeasureGlyphs(g, fontCache, paintContext);

                    MeasureBackground(g, _rootNode.SizeX, _rootNode.SizeY, _rootNode.SizeZ);

                    _isMeasureInSync = true;
                }

                _cachedSymbolPositions.Clear();

                var gs = g.SaveGraphicsState();

                var bounds = Bounds;

                var transformmatrix = Matrix4x3.NewScalingShearingRotationDegreesTranslation(
                    ScaleX, ScaleY, ScaleZ,
                    ShearX, ShearY, ShearZ,
                    RotationX, RotationY, RotationZ,
                    _location.AbsolutePivotPositionX, _location.AbsolutePivotPositionY, _location.AbsolutePivotPositionZ);
                transformmatrix.TranslatePrepend(bounds.X, bounds.Y, bounds.Z);

                if (!bForPreview)
                {
                    TransformGraphics(g);
                    g.TranslateTransform(bounds.X, bounds.Y, bounds.Z);
                }

                // first of all paint the background
                PaintBackground(g);

                var dc = new DrawContext
                {
                    FontCache              = fontCache,
                    bForPreview            = bForPreview,
                    LinkedObject           = Altaxo.Main.AbsoluteDocumentPath.GetRootNodeImplementing <HostLayer>(this),
                    transformMatrix        = transformmatrix,
                    _cachedSymbolPositions = _cachedSymbolPositions
                };
                DrawGlyphs(g, dc, _cachedTextOffset.X, _cachedTextOffset.Y, _cachedTextOffset.Z);
                g.RestoreGraphicsState(gs);
            }
        }
Beispiel #2
0
 /// <summary>
 /// Transforms the graphics context is such a way, that the object can be drawn in local coordinates.
 /// </summary>
 /// <param name="g">Graphics context (should be saved beforehand).</param>
 protected virtual void TransformGraphics(IGraphicsContext3D g)
 {
     if (RotationX != 0 || RotationY != 0 || RotationZ != 0 || ScaleX != 1 || ScaleY != 1 || ScaleZ != 1 || ShearX != 0 || ShearY != 0 || ShearZ != 0)
     {
         g.PrependTransform(Matrix4x3.NewScalingShearingRotationDegreesTranslation(
                                _location.ScaleX, _location.ScaleY, _location.ScaleY
                                ,
                                _location.ShearX, _location.ShearY, _location.ShearZ,
                                _location.RotationX, _location.RotationY, _location.RotationZ,
                                _location.AbsolutePivotPosition.X, _location.AbsolutePivotPositionY, _location.AbsolutePivotPositionZ));
     }
     else
     {
         var p = _location.AbsolutePivotPosition;
         g.TranslateTransform(p.X, p.Y, p.Z);
     }
 }
Beispiel #3
0
        public RectangleD3D PaintSymbol(IGraphicsContext3D g, RectangleD3D bounds)
        {
            if (IsVisible)
            {
                var gs = g.SaveGraphicsState();
                g.TranslateTransform((VectorD3D)bounds.Center);
                var halfwidth = bounds.SizeX / 2;
                var symsize   = _symbolSize;

                if (_useSymbolGap)
                {
                    // plot a line with the length of symbolsize from
                    PaintLine(g, new PointD3D(-halfwidth, 0, 0), new PointD3D(-symsize, 0, 0));
                    PaintLine(g, new PointD3D(symsize, 0, 0), new PointD3D(halfwidth, 0, 0));
                }
                else // no gap
                {
                    PaintLine(g, new PointD3D(-halfwidth, 0, 0), new PointD3D(halfwidth, 0, 0));
                }
                g.RestoreGraphicsState(gs);
            }

            return(bounds);
        }
Beispiel #4
0
		public void Paint(IGraphicsContext3D g, Altaxo.Graph.IPaintContext paintContext, bool bForPreview)
		{
			//_isStructureInSync = false;
			_isMeasureInSync = false;  // Change: interpret text every time in order to update plot items and \ID

			if (!this._isStructureInSync)
			{
				// this.Interpret(g);
				this.InterpretText();

				_isStructureInSync = true;
				_isMeasureInSync = false;
			}

			using (FontCache fontCache = new FontCache())
			{
				if (!this._isMeasureInSync)
				{
					// this.MeasureStructure(g, obj);
					this.MeasureGlyphs(g, fontCache, paintContext);

					MeasureBackground(g, _rootNode.SizeX, _rootNode.SizeY, _rootNode.SizeZ);

					_isMeasureInSync = true;
				}

				_cachedSymbolPositions.Clear();

				var gs = g.SaveGraphicsState();

				var bounds = Bounds;

				var transformmatrix = Matrix4x3.NewScalingShearingRotationDegreesTranslation(
				ScaleX, ScaleY, ScaleZ,
					ShearX, ShearY, ShearZ,
					RotationX, RotationY, RotationZ,
					_location.AbsolutePivotPositionX, _location.AbsolutePivotPositionY, _location.AbsolutePivotPositionZ);
				transformmatrix.TranslatePrepend(bounds.X, bounds.Y, bounds.Z);

				if (!bForPreview)
				{
					TransformGraphics(g);
					g.TranslateTransform(bounds.X, bounds.Y, bounds.Z);
				}

				// first of all paint the background
				PaintBackground(g);

				DrawContext dc = new DrawContext();
				dc.FontCache = fontCache;
				dc.bForPreview = bForPreview;
				dc.LinkedObject = Altaxo.Main.AbsoluteDocumentPath.GetRootNodeImplementing<HostLayer>(this);
				dc.transformMatrix = transformmatrix;
				dc._cachedSymbolPositions = _cachedSymbolPositions;
				DrawGlyphs(g, dc, _cachedTextOffset.X, _cachedTextOffset.Y, _cachedTextOffset.Z);
				g.RestoreGraphicsState(gs);
			}
		}
Beispiel #5
0
		public void Paint(IGraphicsContext3D g, IPlotArea layer, Processed3DPlotData pdata, Processed3DPlotData prevItemData, Processed3DPlotData nextItemData)
		{
			if (this._labelColumnProxy.Document == null)
				return;

			if (null != _attachedPlane)
				_attachedPlane = layer.UpdateCSPlaneID(_attachedPlane);

			PlotRangeList rangeList = pdata.RangeList;
			var ptArray = pdata.PlotPointsInAbsoluteLayerCoordinates;
			Altaxo.Data.IReadableColumn labelColumn = this._labelColumnProxy.Document;

			bool isUsingVariableColorForLabelText = null != _cachedColorForIndexFunction && IsColorReceiver;
			bool isUsingVariableColorForLabelBackground = null != _cachedColorForIndexFunction &&
				(null != _backgroundStyle && _backgroundStyle.SupportsUserDefinedMaterial && (_backgroundColorLinkage == ColorLinkage.Dependent || _backgroundColorLinkage == ColorLinkage.PreserveAlpha));
			bool isUsingVariableColor = isUsingVariableColorForLabelText || isUsingVariableColorForLabelBackground;
			IMaterial clonedTextBrush = _material;
			IMaterial clonedBackBrush = null;
			if (isUsingVariableColorForLabelBackground)
				clonedBackBrush = _backgroundStyle.Material;

			// save the graphics stat since we have to translate the origin
			var gs = g.SaveGraphicsState();

			double xpos = 0, ypos = 0, zpos = 0;
			double xpre, ypre, zpre;
			double xdiff, ydiff, zdiff;

			bool isFormatStringContainingBraces = _labelFormatString?.IndexOf('{') >= 0;
			var culture = System.Threading.Thread.CurrentThread.CurrentCulture;

			bool mustUseLogicalCoordinates = null != this._attachedPlane || 0 != _cachedLogicalShiftX || 0 != _cachedLogicalShiftY || 0 != _cachedLogicalShiftZ;

			for (int r = 0; r < rangeList.Count; r++)
			{
				int lower = rangeList[r].LowerBound;
				int upper = rangeList[r].UpperBound;
				int offset = rangeList[r].OffsetToOriginal;
				for (int j = lower; j < upper; j += _skipFrequency)
				{
					string label;
					if (string.IsNullOrEmpty(_labelFormatString))
					{
						label = labelColumn[j + offset].ToString();
					}
					else if (!isFormatStringContainingBraces)
					{
						label = labelColumn[j + offset].ToString(_labelFormatString, culture);
					}
					else
					{
						// the label format string can contain {0} for the label column item, {1} for the row index, {2} .. {4} for the x, y and z component of the data point
						label = string.Format(_labelFormatString, labelColumn[j + offset], j + offset, pdata.GetPhysical(0, j + offset), pdata.GetPhysical(1, j + offset), pdata.GetPhysical(2, j + offset));
					}

					if (string.IsNullOrEmpty(label))
						continue;

					double localSymbolSize = _symbolSize;
					if (null != _cachedSymbolSizeForIndexFunction)
					{
						localSymbolSize = _cachedSymbolSizeForIndexFunction(j + offset);
					}

					double localFontSize = _fontSizeOffset + _fontSizeFactor * localSymbolSize;
					if (!(localFontSize > 0))
						continue;

					_font = _font.WithSize(localFontSize);

					// Start of preparation of brushes, if a variable color is used
					if (isUsingVariableColor)
					{
						var c = _cachedColorForIndexFunction(j + offset);

						if (isUsingVariableColorForLabelText)
						{
							clonedTextBrush = clonedTextBrush.WithColor(new NamedColor(AxoColor.FromArgb(c.A, c.R, c.G, c.B), "e"));
						}
						if (isUsingVariableColorForLabelBackground)
						{
							if (_backgroundColorLinkage == ColorLinkage.PreserveAlpha)
								clonedBackBrush = clonedBackBrush.WithColor(new NamedColor(AxoColor.FromArgb(clonedBackBrush.Color.Color.A, c.R, c.G, c.B), "e"));
							else
								clonedBackBrush = clonedBackBrush.WithColor(new NamedColor(AxoColor.FromArgb(c.A, c.R, c.G, c.B), "e"));
						}
					}
					// end of preparation of brushes for variable colors

					if (mustUseLogicalCoordinates) // we must use logical coordinates because either there is a shift of logical coordinates, or an attached plane
					{
						Logical3D r3d = layer.GetLogical3D(pdata, j + offset);
						r3d.RX += _cachedLogicalShiftX;
						r3d.RY += _cachedLogicalShiftY;
						r3d.RZ += _cachedLogicalShiftZ;

						if (null != this._attachedPlane)
						{
							var pp = layer.CoordinateSystem.GetPointOnPlane(this._attachedPlane, r3d);
							xpre = pp.X;
							ypre = pp.Y;
							zpre = pp.Z;
						}
						else
						{
							PointD3D pt;
							layer.CoordinateSystem.LogicalToLayerCoordinates(r3d, out pt);
							xpre = pt.X;
							ypre = pt.Y;
							zpre = pt.Z;
						}
					}
					else // no shifting, thus we can use layer coordinates
					{
						xpre = ptArray[j].X;
						ypre = ptArray[j].Y;
						zpre = ptArray[j].Z;
					}

					xdiff = xpre - xpos;
					ydiff = ypre - ypos;
					zdiff = zpre - zpos;
					xpos = xpre;
					ypos = ypre;
					zpos = zpre;
					g.TranslateTransform(xdiff, ydiff, zdiff);
					g.RotateTransform(_rotationX, _rotationY, _rotationZ);

					this.Paint(g, label, localSymbolSize, clonedTextBrush, clonedBackBrush);

					g.RotateTransform(-_rotationX, -_rotationY, -_rotationZ);
				} // end for
			}

			g.RestoreGraphicsState(gs); // Restore the graphics state
		}
Beispiel #6
0
		public RectangleD3D PaintSymbol(IGraphicsContext3D g, RectangleD3D bounds)
		{
			if (IsVisible)
			{
				var gs = g.SaveGraphicsState();
				g.TranslateTransform((VectorD3D)bounds.Center);
				var halfwidth = bounds.SizeX / 2;
				var symsize = _symbolSize;

				if (_useSymbolGap)
				{
					// plot a line with the length of symbolsize from
					PaintLine(g, new PointD3D(-halfwidth, 0, 0), new PointD3D(-symsize, 0, 0));
					PaintLine(g, new PointD3D(symsize, 0, 0), new PointD3D(halfwidth, 0, 0));
				}
				else // no gap
				{
					PaintLine(g, new PointD3D(-halfwidth, 0, 0), new PointD3D(halfwidth, 0, 0));
				}
				g.RestoreGraphicsState(gs);
			}

			return bounds;
		}