public GraphicsPath GetTextPath(GaugeGraphics g) { if (!this.Visible) { return(null); } RectangleF absoluteRectangle = g.GetAbsoluteRectangle(new RectangleF(0f, 0f, 100f, 100f)); GraphicsPath graphicsPath = new GraphicsPath(); string noImageString = SR.NoImageString; Font font = new Font("Microsoft Sans Serif", 8.25f); SizeF sizeF = g.MeasureString(noImageString, font); SizeF absoluteSize = g.GetAbsoluteSize(new SizeF(100f, 100f)); float num = absoluteSize.Width / sizeF.Width; float num2 = absoluteSize.Height / sizeF.Height; float emSize = (float)((!(num < num2)) ? (font.SizeInPoints * num2 * 1.2999999523162842) : (font.SizeInPoints * num * 1.2999999523162842)); StringFormat stringFormat = new StringFormat(); stringFormat.Alignment = StringAlignment.Center; stringFormat.LineAlignment = StringAlignment.Center; graphicsPath.AddString(noImageString, font.FontFamily, (int)font.Style, emSize, absoluteRectangle, stringFormat); if (this.Angle != 0.0) { PointF point = new PointF((float)(absoluteRectangle.X + absoluteRectangle.Width / 2.0), (float)(absoluteRectangle.Y + absoluteRectangle.Height / 2.0)); using (Matrix matrix = new Matrix()) { matrix.RotateAt(this.Angle, point); graphicsPath.Transform(matrix); return(graphicsPath); } } return(graphicsPath); }
public GraphicsPath GetTextPath(GaugeGraphics g) { if (!this.Visible) { return(null); } if (this.Text.Length == 0) { return(null); } RectangleF absoluteRectangle = g.GetAbsoluteRectangle(new RectangleF(0f, 0f, 100f, 100f)); GraphicsPath graphicsPath = new GraphicsPath(); string text = this.Text; Font font = this.Font; text = text.Replace("\\n", "\n"); float emSize; if (this.ResizeMode == ResizeMode.AutoFit) { SizeF sizeF = g.MeasureString(text, font); SizeF absoluteSize = g.GetAbsoluteSize(new SizeF(100f, 100f)); float num = absoluteSize.Width / sizeF.Width; float num2 = absoluteSize.Height / sizeF.Height; emSize = (float)((!(num < num2)) ? (font.SizeInPoints * num2 * 1.2999999523162842 * g.Graphics.DpiY / 96.0) : (font.SizeInPoints * num * 1.2999999523162842 * g.Graphics.DpiY / 96.0)); } else { if (this.FontUnit == FontUnit.Percent) { g.RestoreDrawRegion(); emSize = g.GetAbsoluteDimension(font.Size); RectangleF boundRect = ((IRenderable)this).GetBoundRect(g); g.CreateDrawRegion(boundRect); } else { emSize = (float)(font.SizeInPoints * g.Graphics.DpiY / 96.0); } emSize = (float)(emSize * 1.2999999523162842); } StringFormat stringFormat = new StringFormat(); if (this.TextAlignment == ContentAlignment.TopLeft) { stringFormat.Alignment = StringAlignment.Near; stringFormat.LineAlignment = StringAlignment.Near; } else if (this.TextAlignment == ContentAlignment.TopCenter) { stringFormat.Alignment = StringAlignment.Center; stringFormat.LineAlignment = StringAlignment.Near; } else if (this.TextAlignment == ContentAlignment.TopRight) { stringFormat.Alignment = StringAlignment.Far; stringFormat.LineAlignment = StringAlignment.Near; } else if (this.TextAlignment == ContentAlignment.MiddleLeft) { stringFormat.Alignment = StringAlignment.Near; stringFormat.LineAlignment = StringAlignment.Center; } else if (this.TextAlignment == ContentAlignment.MiddleCenter) { stringFormat.Alignment = StringAlignment.Center; stringFormat.LineAlignment = StringAlignment.Center; } else if (this.TextAlignment == ContentAlignment.MiddleRight) { stringFormat.Alignment = StringAlignment.Far; stringFormat.LineAlignment = StringAlignment.Center; } else if (this.TextAlignment == ContentAlignment.BottomLeft) { stringFormat.Alignment = StringAlignment.Near; stringFormat.LineAlignment = StringAlignment.Far; } else if (this.TextAlignment == ContentAlignment.BottomCenter) { stringFormat.Alignment = StringAlignment.Center; stringFormat.LineAlignment = StringAlignment.Far; } else { stringFormat.Alignment = StringAlignment.Far; stringFormat.LineAlignment = StringAlignment.Far; } graphicsPath.AddString(text, font.FontFamily, (int)font.Style, emSize, absoluteRectangle, stringFormat); if (this.Angle != 0.0) { PointF point = new PointF((float)(absoluteRectangle.X + absoluteRectangle.Width / 2.0), (float)(absoluteRectangle.Y + absoluteRectangle.Height / 2.0)); using (Matrix matrix = new Matrix()) { matrix.RotateAt(this.Angle, point); graphicsPath.Transform(matrix); return(graphicsPath); } } return(graphicsPath); }
private void DrawLabel(Placement placement, string labelStr, double position, float labelPos, float rotateLabelAngle, Font font, Color color, bool rotateLabels, bool allowUpsideDown, FontUnit fontUnit) { float num = GetPositionFromValueNormalized(position); if (rotateLabels) { rotateLabelAngle += num + 180f; rotateLabelAngle %= 360f; if (!allowUpsideDown && rotateLabelAngle > 90f && rotateLabelAngle < 270f) { rotateLabelAngle += 180f; rotateLabelAngle %= 360f; } } MarkerPosition markerPosition = new MarkerPosition((float)Math.Round(num), position, placement); if (MarkerPosition.IsExistsInArray(labels, markerPosition)) { return; } if (labelStr.Length > 0) { labels.Add(markerPosition); } GaugeGraphics graph = Common.Graph; StringFormat stringFormat = new StringFormat(); stringFormat.Alignment = StringAlignment.Center; stringFormat.LineAlignment = StringAlignment.Center; using (Brush brush2 = new SolidBrush(color)) { Font resizedFont = GetResizedFont(font, fontUnit); try { SizeF relativeSize = graph.GetRelativeSize(graph.MeasureString(labelStr, resizedFont)); relativeSize.Height -= relativeSize.Height / 8f; float contactPointOffset = Utils.GetContactPointOffset(relativeSize, num - rotateLabelAngle); float offset = labelPos; switch (placement) { case Placement.Inside: offset = labelPos - Math.Max(0f, contactPointOffset); break; case Placement.Outside: offset = labelPos + Math.Max(0f, contactPointOffset); break; } PointF absolutePoint = graph.GetAbsolutePoint(GetPoint(num, offset)); relativeSize = graph.GetAbsoluteSize(relativeSize); RectangleF layoutRectangle = new RectangleF(absolutePoint, new SizeF(0f, 0f)); layoutRectangle.Inflate(relativeSize.Width / 2f, relativeSize.Height / 2f); Matrix transform = graph.Transform; Matrix matrix = graph.Transform.Clone(); try { TextRenderingHint textRenderingHint = graph.TextRenderingHint; try { if (textRenderingHint == TextRenderingHint.ClearTypeGridFit) { graph.TextRenderingHint = TextRenderingHint.AntiAlias; } if (base.ShadowOffset != 0f) { using (Brush brush = graph.GetShadowBrush()) { using (Matrix matrix2 = matrix.Clone()) { matrix2.Translate(base.ShadowOffset, base.ShadowOffset); matrix2.RotateAt(rotateLabelAngle, absolutePoint); graph.Transform = matrix2; graph.DrawString(labelStr, resizedFont, brush, layoutRectangle, stringFormat); } } } matrix.RotateAt(rotateLabelAngle, absolutePoint); graph.Transform = matrix; graph.DrawString(labelStr, resizedFont, brush2, layoutRectangle, stringFormat); } finally { graph.TextRenderingHint = textRenderingHint; } } finally { matrix.Dispose(); graph.Transform = transform; } } finally { if (resizedFont != font) { resizedFont.Dispose(); } } } }
private void DrawLabel(Placement placement, string labelStr, double value, float labelPos, float rotateLabelAngle, Font font, Color color, FontUnit fontUnit) { StringFormat stringFormat = new StringFormat(); stringFormat.Alignment = StringAlignment.Center; stringFormat.LineAlignment = StringAlignment.Near; float num = GetPositionFromValue(value); MarkerPosition markerPosition = new MarkerPosition((float)Math.Round(num), value, placement); if (MarkerPosition.IsExistsInArray(labels, markerPosition)) { return; } if (labelStr.Length > 0) { labels.Add(markerPosition); } GaugeGraphics graph = Common.Graph; using (Brush brush2 = new SolidBrush(color)) { Font resizedFont = GetResizedFont(font, fontUnit); try { float num2 = 0f; if (ParentGauge.GetOrientation() == GaugeOrientation.Vertical) { num2 = 90f; } SizeF size = graph.MeasureString(labelStr, resizedFont); float contactPointOffset = Utils.GetContactPointOffset(size, rotateLabelAngle - num2); PointF absolutePoint = graph.GetAbsolutePoint(GetPoint(num, labelPos)); switch (placement) { case Placement.Inside: if (ParentGauge.GetOrientation() == GaugeOrientation.Vertical) { absolutePoint.X -= contactPointOffset; } else { absolutePoint.Y -= contactPointOffset; } break; case Placement.Outside: if (ParentGauge.GetOrientation() == GaugeOrientation.Vertical) { absolutePoint.X += contactPointOffset; } else { absolutePoint.Y += contactPointOffset; } break; } RectangleF rectangleF = new RectangleF(absolutePoint, new SizeF(0f, 0f)); rectangleF.Inflate(size.Width / 2f, size.Height / 2f); Matrix transform = graph.Transform; Matrix matrix = graph.Transform.Clone(); try { if (rotateLabelAngle == 0f) { if (base.ShadowOffset != 0f) { using (Brush brush = graph.GetShadowBrush()) { RectangleF layoutRectangle = rectangleF; layoutRectangle.Offset(base.ShadowOffset, base.ShadowOffset); graph.DrawString(labelStr, resizedFont, brush, layoutRectangle, stringFormat); } } graph.DrawString(labelStr, resizedFont, brush2, rectangleF, stringFormat); return; } TextRenderingHint textRenderingHint = graph.TextRenderingHint; try { if (textRenderingHint == TextRenderingHint.ClearTypeGridFit) { graph.TextRenderingHint = TextRenderingHint.AntiAlias; } if (base.ShadowOffset != 0f) { using (Brush brush3 = graph.GetShadowBrush()) { using (Matrix matrix2 = matrix.Clone()) { matrix2.Translate(base.ShadowOffset, base.ShadowOffset); matrix2.RotateAt(rotateLabelAngle, absolutePoint); graph.Transform = matrix2; graph.DrawString(labelStr, resizedFont, brush3, rectangleF, stringFormat); } } } matrix.RotateAt(rotateLabelAngle, absolutePoint); graph.Transform = matrix; graph.DrawString(labelStr, resizedFont, brush2, rectangleF, stringFormat); } finally { graph.TextRenderingHint = textRenderingHint; } } finally { matrix.Dispose(); graph.Transform = transform; } } finally { if (resizedFont != font) { resizedFont.Dispose(); } } } }