예제 #1
0
파일: Class1.cs 프로젝트: lanicon/EnesyCAD
        public override void ViewportDraw(AcGi.ViewportDraw vd)
        {
            int glyphPixels = CustomObjectSnapMode.GlyphSize;
            var glyphSize   = vd.Viewport.GetNumPixelsInUnitSquare(_pt);

            // Calculate the size of the glyph in WCS
            //  (use for text height factor)

            // We'll add 10% to the size, as otherwise
            //  it looks a little too small

            double glyphHeight =
                (glyphPixels / glyphSize.Y) * 1.1;

            string text = "¼";

            // Translate the X-axis of the DCS to WCS
            //  (for the text direction) and the snap
            //  point itself (for the text location)

            var dist   = -glyphHeight / 2.0;
            var offset = new Vector3d(dist, dist, 0);
            var e2w    = vd.Viewport.EyeToWorldTransform;
            var dir    = Vector3d.XAxis.TransformBy(e2w);
            var pt     = (_pt + offset).TransformBy(e2w);

            //  Draw the centered text representing the glyph

            var style = new AcGi.TextStyle();
            var fd    =
                new AcGi.FontDescriptor("txt.shx", false, false, 0, 0);

            style.Font     = fd;
            style.TextSize = glyphHeight;

            vd.Geometry.Text(
                pt,
                vd.Viewport.ViewDirection,
                dir,
                text,
                false,
                style
                );
        }
예제 #2
0
        protected override void SubViewportDraw(AcGi.ViewportDraw vd)
        {
            int glyphSize   = CustomObjectSnapMode.GlyphSize;
            var glyphPixels = vd.Viewport.GetNumPixelsInUnitSquare(_pt);

            double glyphHeight = (glyphSize / glyphPixels.Y) * 1.1;
            string text        = "¼";

            var dist   = -glyphHeight / 2.0;
            var offset = new Vector3d(dist, dist, 0);
            var e2w    = vd.Viewport.EyeToWorldTransform;
            var dir    = Vector3d.XAxis.TransformBy(e2w);
            var pt     = (_pt + offset).TransformBy(e2w);

            var style = new AcGi.TextStyle();
            var fd    = new AcGi.FontDescriptor("txt.shx", false, false, 0, 0);

            style.Font     = fd;
            style.TextSize = glyphHeight;

            vd.Geometry.Text(pt, vd.Viewport.ViewDirection, dir, text, false, style);
        }