private List <double> DrawXAxisLeftToRight(Canvas axisCanvas, NumberAxisData axisData) { List <double> xList = new List <double>(); double axisWidth = axisCanvas.Width; double labelStep = this.CalculateLabelStep(axisData.Area, axisWidth); double labelStepSize = ChartHelper.CalculateLabelStepSize(axisData.Area, axisWidth, labelStep); double left = ChartConstant.ZERO_D; double lastLabelX = ChartConstant.ZERO_D; double x = ChartConstant.ZERO_D; double value = axisData.MinValue; TextBlock label; Size labelSize; AxisLabelLocation labelTextLocation = AxisLabelLocation.First; bool addLabelControl; double offset; while (true) { label = ChartHelper.CreateLabelControl(this, this.CreateAxisText(value)); labelSize = UITextHelper.MeasureTextSize(label); if (axisWidth - labelSize.Width > ChartConstant.LABEL_TEXT_INTERVAL) { addLabelControl = false; switch (labelTextLocation) { case AxisLabelLocation.First: axisCanvas.Children.Add(label); addLabelControl = true; Canvas.SetLeft(label, left); lastLabelX = left + labelSize.Width; labelTextLocation = AxisLabelLocation.Middle; break; case AxisLabelLocation.Middle: left += labelStepSize; offset = left - labelSize.Width / 2 - lastLabelX; if (offset >= ChartConstant.LABEL_TEXT_INTERVAL) { axisCanvas.Children.Add(label); addLabelControl = true; Canvas.SetLeft(label, left - labelSize.Width / 2); lastLabelX = left + labelSize.Width; } else if (offset > 0) { axisCanvas.Children.Add(label); addLabelControl = true; Canvas.SetLeft(label, left - labelSize.Width / 2 + offset); lastLabelX = left + labelSize.Width + offset; } break; case AxisLabelLocation.Last: if (lastLabelX + labelSize.Width + ChartConstant.LABEL_TEXT_INTERVAL <= axisWidth) { axisCanvas.Children.Add(label); addLabelControl = true; Canvas.SetRight(label, ChartConstant.ZERO_D); lastLabelX = axisWidth; } break; default: throw new NotImplementedException(); } if (addLabelControl) { if (base.IsAxisXBottom()) { Canvas.SetBottom(label, ChartConstant.LABEL_TEXT_INTERVAL); } else { Canvas.SetTop(label, ChartConstant.LABEL_TEXT_INTERVAL); } } } if (labelTextLocation == AxisLabelLocation.Last) { if (this._showLastLabel) { xList.Add(x); } break; } xList.Add(x); value += labelStep; if (value >= axisData.MaxValue) //if (tmp - axisData.MaxValue > _PRE) { value = axisData.MaxValue; x = axisWidth; labelTextLocation = AxisLabelLocation.Last; } else { x += labelStepSize; } } return(xList); }
private List <double> DrawYAxisBottomToTop(Canvas axisCanvas, NumberAxisData axisData) { List <double> yList = new List <double>(); double axisHeight = axisCanvas.Height; double labelStep = this.CalculateLabelStep(axisData.Area, axisHeight); double labelStepSize = ChartHelper.CalculateLabelStepSize(axisData.Area, axisHeight, labelStep); double labelTextLineInterval = base.GetAxisYLabelTextLineInterval(); double bottom = ChartConstant.ZERO_D, bottom2; double value = axisData.MinValue; double y = axisHeight; TextBlock label; Size labelSize; double labelWidth = ChartConstant.ZERO_D; AxisLabelLocation labelTextLocation = AxisLabelLocation.First; bool addLabelControl; double lastLabelY = axisHeight; while (true) { label = ChartHelper.CreateLabelControl(this, this.CreateAxisText(value)); labelSize = UITextHelper.MeasureTextSize(label); if (labelSize.Width - labelWidth > base._PRE) { labelWidth = labelSize.Width; } if (axisHeight > labelSize.Height) { addLabelControl = false; switch (labelTextLocation) { case AxisLabelLocation.First: axisCanvas.Children.Add(label); addLabelControl = true; Canvas.SetBottom(label, bottom); lastLabelY = axisHeight - labelSize.Height; labelTextLocation = AxisLabelLocation.Middle; break; case AxisLabelLocation.Middle: bottom2 = bottom - labelSize.Height / 2; if (bottom2 > ChartConstant.ZERO_D) { axisCanvas.Children.Add(label); addLabelControl = true; Canvas.SetBottom(label, bottom2); lastLabelY = bottom2 - labelSize.Height; } break; case AxisLabelLocation.Last: if (lastLabelY - labelSize.Height > ChartConstant.ZERO_D) { axisCanvas.Children.Add(label); addLabelControl = true; Canvas.SetTop(label, ChartConstant.ZERO_D); } break; default: throw new NotImplementedException(); } if (addLabelControl) { if (base.IsAxisYLeft()) { Canvas.SetRight(label, labelTextLineInterval); } else { Canvas.SetLeft(label, labelTextLineInterval); } } } if (labelTextLocation == AxisLabelLocation.Last) { if (this._showLastLabel) { yList.Add(y); } break; } yList.Add(y); value += labelStep; if (value >= axisData.MaxValue) { labelStepSize = (labelStep - (value - axisData.MaxValue)) * labelStepSize / labelStep; double labelHeight = ChartHelper.MeasureLabelTextSize(this, axisData.MaxValue.ToString()).Height + 10d; if (labelStepSize < labelHeight) { break; } value = axisData.MaxValue; y = ChartConstant.ZERO_D; labelTextLocation = AxisLabelLocation.Last; } else { y -= labelStepSize; } bottom += labelStepSize; } axisCanvas.Width = base.CalculateAxisSize(labelWidth); return(yList); }
private List <double> DrawX(Canvas axisCanvas) { double labelStepSize = this.CalculateLabelStepSize(this._axisData.Count, axisCanvas.Width); double columnSeriesOffset = this.CalculateSeriesSize(this._seriesSizeDic, labelStepSize); TextBlock label; var angleQuadrantInfo = new AngleQuadrantInfo(this._angle, base._PRE); Size labelTextSize; double left = 0d, labelTextOffset; AxisLabelLocation labelLocation = AxisLabelLocation.First; object labelObj; LabelSeriesItem labelItem; List <double> xList = new List <double>(); double labelStepSizeHalf = labelStepSize / 2; double x; for (int i = 0; i < this._axisData.Count; i++) { labelObj = this._axisData.ElementAt(i).Key; labelItem = this._axisData.ElementAt(i).Value; label = ChartHelper.CreateLabelControl(this, this.CreateAxisText(labelObj)); labelTextSize = UITextHelper.MeasureTextSize(label); axisCanvas.Children.Add(label); labelTextOffset = (labelStepSize - labelTextSize.Width) / 2; Canvas.SetLeft(label, left + labelTextOffset); if (this.IsAxisXBottom()) { Canvas.SetTop(label, ChartConstant.LABEL_TEXT_INTERVAL); this.RotateLabelBottom(label, angleQuadrantInfo, labelTextSize); } else { Canvas.SetBottom(label, ChartConstant.LABEL_TEXT_INTERVAL); this.RotateLabelTop(label, angleQuadrantInfo, labelTextSize); } switch (labelLocation) { case AxisLabelLocation.First: x = columnSeriesOffset; labelLocation = AxisLabelLocation.Middle; break; case AxisLabelLocation.Middle: case AxisLabelLocation.Last: x = left + columnSeriesOffset; break; default: throw new NotImplementedException(labelLocation.ToString()); } foreach (var key in labelItem.Keys.ToArray()) { labelItem[key] = x; x += labelItem.Series.Size; } xList.Add(left + labelStepSizeHalf); left += labelStepSize; } ChartHelper.DrawXAxisLabelLine(this, axisCanvas, ChartConstant.ZERO_D, axisCanvas.Height); return(xList); }
private List <double> DrawY(Canvas axisCanvas) { double labelStepSize = this.CalculateLabelStepSize(this._axisData.Count, axisCanvas.Height); double columnSeriesOffset = this.CalculateSeriesSize(this._seriesSizeDic, labelStepSize); TextBlock label; Size labelTextSize; double top = 0d, labelTextOffset; AxisLabelLocation labelLocation = AxisLabelLocation.First; object labelObj; LabelSeriesItem labelItem; double y; List <double> yList = new List <double>(); double labelStepSizeHalf = labelStepSize / 2; for (int i = 0; i < this._axisData.Count; i++) { labelObj = this._axisData.ElementAt(i).Key; labelItem = this._axisData.ElementAt(i).Value; label = ChartHelper.CreateLabelControl(this, this.CreateAxisText(labelObj)); labelTextSize = UITextHelper.MeasureTextSize(label); axisCanvas.Children.Add(label); labelTextOffset = (labelStepSize - labelTextSize.Height) / 2; Canvas.SetTop(label, top + labelTextOffset); if (this.IsAxisYLeft()) { Canvas.SetRight(label, ChartConstant.LABEL_TEXT_INTERVAL); } else { Canvas.SetLeft(label, ChartConstant.LABEL_TEXT_INTERVAL); } switch (labelLocation) { case AxisLabelLocation.First: y = columnSeriesOffset; labelLocation = AxisLabelLocation.Middle; break; case AxisLabelLocation.Middle: case AxisLabelLocation.Last: y = top + columnSeriesOffset; break; default: throw new NotImplementedException(labelLocation.ToString()); } foreach (var key in labelItem.Keys.ToArray()) { labelItem[key] = y; y += labelItem.Series.Size; } yList.Add(top + labelStepSizeHalf); top += labelStepSize; } ChartHelper.DrawYAxisLabelLine(this, axisCanvas, ChartConstant.ZERO_D, axisCanvas.Height); return(yList); }
/// <summary> /// 将Series绘制到已设置设定大小的画布中 /// </summary> /// <param name="canvas">目标画布</param> protected override void PrimitiveDraw(Canvas canvas) { this._segmentList.Clear(); this.AddLegendItem(); if (base._values == null || base._values.Count == 0) { return; } IChartAxisDoubleValue doubleValue; double x1, x2, y1, y2; foreach (var value in base._values) { doubleValue = value as IChartAxisDoubleValue; if (doubleValue == null) { continue; } switch (this._orientation) { case SeriesOrientation.Horizontal: object obj = doubleValue.GetYValue1().GetValue(); y1 = this.AxisY.GetY(doubleValue.GetYValue1()); if (ChartHelper.DoubleHasValue(y1)) { //第一个有值 y2 = y1; } else { y2 = this.AxisY.GetY(doubleValue.GetYValue2()); if (ChartHelper.DoubleHasValue(y2)) { //第一个没有值,第二个有值 y1 = y2; } else { //两个都没有值 continue; } } x1 = this.AxisX.GetX(doubleValue.GetXValue1()); if (!ChartHelper.DoubleHasValue(x1)) { continue; } x2 = this.AxisX.GetX(doubleValue.GetXValue2()); if (!ChartHelper.DoubleHasValue(x2)) { continue; } break; case SeriesOrientation.Vertical: x1 = this.AxisX.GetX(doubleValue.GetXValue1()); if (ChartHelper.DoubleHasValue(x1)) { //第一个有值 x2 = x1; } else { x2 = this.AxisX.GetX(doubleValue.GetXValue2()); if (ChartHelper.DoubleHasValue(x2)) { //第一个没有值,第二个有值 x1 = x2; } else { //两个都没有值 continue; } } y1 = this.AxisY.GetY(doubleValue.GetYValue1()); if (!ChartHelper.DoubleHasValue(y1)) { continue; } y2 = this.AxisY.GetY(doubleValue.GetYValue2()); if (!ChartHelper.DoubleHasValue(y2)) { continue; } break; default: throw new NotImplementedException(this._orientation.ToString()); } Line line = new Line(); line.Style = this.GetStyle(); line.X1 = x1; line.X2 = x2; line.Y1 = y1; line.Y2 = y2; line.Visibility = base.Visibility; if (this.EnableTooltip) { line.ToolTip = doubleValue.TooltipText; } line.Tag = doubleValue; canvas.Children.Add(line); this._segmentList.Add(line); } }