示例#1
0
        public void DrawingGraphics(Geometry positiveGroup, Geometry negativeGroup, bool IsDrawingLine, double CustomDrawLineWidth, DoubleCollection guidlinesX, DoubleCollection guidlinesY)
        {
            positiveGroup.Freeze();
            negativeGroup.Freeze();


            DrawingVisual drawingVisual = new DrawingVisual();

            RedBrush.Freeze();
            GreenBrush.Freeze();
            Pen RedPen   = new Pen(RedBrush, CustomDrawLineWidth);
            Pen GreenPen = new Pen(GreenBrush, CustomDrawLineWidth);

            RedPen.Freeze();
            GreenPen.Freeze();
            DrawingContext drawingContext = drawingVisual.RenderOpen();

            drawingContext.PushGuidelineSet(new GuidelineSet(guidlinesX.ToArray(), guidlinesY.ToArray()));
            if (IsDrawingLine)
            {
                drawingContext.DrawGeometry(null, RedPen, positiveGroup);
                drawingContext.DrawGeometry(null, GreenPen, negativeGroup);
            }
            else
            {
                Brush white = Brushes.White;
                white.Freeze();

                drawingContext.DrawGeometry(white, RedPen, positiveGroup);
                drawingContext.DrawGeometry(GreenBrush, GreenPen, negativeGroup);
            }
            drawingContext.Pop();
            drawingContext.Close();

            BitmapCache bc = new BitmapCache();

            bc.SnapsToDevicePixels = true;
            bc.Freeze();
            drawingVisual.CacheMode = bc;
            this.AddVisualChild(drawingVisual);
        }
示例#2
0
        /// <summary>
        /// 画折线
        /// </summary>
        /// <param name="LineGroup"></param>
        /// <param name="CustomDrawLineWidth"></param>
        public void DrawingGraphics(Geometry LineGroup, double CustomDrawLineWidth)
        {
            LineGroup.Freeze();
            DrawingVisual drawingVisual = new DrawingVisual();

            RedBrush.Freeze();
            GreenBrush.Freeze();
            Pen RedPen   = new Pen(RedBrush, CustomDrawLineWidth);
            Pen GreenPen = new Pen(GreenBrush, CustomDrawLineWidth);

            RedPen.Freeze();
            GreenPen.Freeze();
            DrawingContext drawingContext = drawingVisual.RenderOpen();

            drawingContext.DrawGeometry(null, RedPen, LineGroup);
            drawingContext.Close();
            BitmapCache bc = new BitmapCache();

            bc.SnapsToDevicePixels = true;
            bc.Freeze();
            drawingVisual.CacheMode = bc;
            this.AddVisualChild(drawingVisual);
        }