public override List <ConnectionPoint> GetConnectionPoints() { List <ConnectionPoint> connectionPoints = new List <ConnectionPoint>(); connectionPoints.Add(new ConnectionPoint(GripType.TopMiddle, ZoomRectangle.TopMiddle())); connectionPoints.Add(new ConnectionPoint(GripType.BottomMiddle, ZoomRectangle.BottomMiddle())); connectionPoints.Add(new ConnectionPoint(GripType.BottomLeft, ZoomRectangle.BottomLeftCorner())); connectionPoints.Add(new ConnectionPoint(GripType.BottomRight, ZoomRectangle.BottomRightCorner())); return(connectionPoints); }
public virtual List <ShapeAnchor> GetAnchors() { List <ShapeAnchor> anchors = new List <ShapeAnchor>(); Rectangle r; Size anchorSize = new Size(anchorWidthHeight, anchorWidthHeight); if (HasCornerAnchors) { r = new Rectangle(ZoomRectangle.TopLeftCorner(), anchorSize); anchors.Add(new ShapeAnchor(GripType.TopLeft, r, Cursors.SizeNWSE)); r = new Rectangle(ZoomRectangle.TopRightCorner().Move(-anchorWidthHeight, 0), anchorSize); anchors.Add(new ShapeAnchor(GripType.TopRight, r, Cursors.SizeNESW)); r = new Rectangle(ZoomRectangle.BottomLeftCorner().Move(0, -anchorWidthHeight), anchorSize); anchors.Add(new ShapeAnchor(GripType.BottomLeft, r, Cursors.SizeNESW)); r = new Rectangle(ZoomRectangle.BottomRightCorner().Move(-anchorWidthHeight, -anchorWidthHeight), anchorSize); anchors.Add(new ShapeAnchor(GripType.BottomRight, r, Cursors.SizeNWSE)); } if (HasCenterAnchors || HasLeftRightAnchors) { r = new Rectangle(ZoomRectangle.LeftMiddle().Move(0, -anchorWidthHeight / 2), anchorSize); anchors.Add(new ShapeAnchor(GripType.LeftMiddle, r, Cursors.SizeWE)); r = new Rectangle(ZoomRectangle.RightMiddle().Move(-anchorWidthHeight, -anchorWidthHeight / 2), anchorSize); anchors.Add(new ShapeAnchor(GripType.RightMiddle, r, Cursors.SizeWE)); } if (HasCenterAnchors || HasTopBottomAnchors) { r = new Rectangle(ZoomRectangle.TopMiddle().Move(-anchorWidthHeight / 2, 0), anchorSize); anchors.Add(new ShapeAnchor(GripType.TopMiddle, r, Cursors.SizeNS)); r = new Rectangle(ZoomRectangle.BottomMiddle().Move(-anchorWidthHeight / 2, -anchorWidthHeight), anchorSize); anchors.Add(new ShapeAnchor(GripType.BottomMiddle, r, Cursors.SizeNS)); } if (HasCenterAnchor) { r = new Rectangle(ZoomRectangle.Center().Move(-anchorWidthHeight / 2, -anchorWidthHeight / 2), anchorSize); anchors.Add(new ShapeAnchor(GripType.Center, r, Cursors.Cross)); } return(anchors); }
protected virtual void DrawText(Graphics gr, string text, Font textFont, Color textColor, ContentAlignment textAlign) { SizeF size = gr.MeasureString(text, textFont); Brush brush = new SolidBrush(textColor); Point textpos; Font font = textFont; bool disposeFont = false; // TODO: Should we just create the font and dispose it every time we draw? if (canvas.Controller.Zoom != 100) { font = new Font(textFont.FontFamily, textFont.Size * canvas.Controller.Zoom / 100, textFont.Style); disposeFont = true; } // TextRenderer is terrible when font is bolded. Not sure why. // Would be great to use this, but the rendering is so bad, I won't. // Some info here: // http://stackoverflow.com/questions/9038125/asp-net-textrenderer-drawtext-awful-text-images //gr.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality; //gr.TextRenderingHint = System.Drawing.Text.TextRenderingHint.ClearTypeGridFit; // <-- important! //gr.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality; //gr.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic; //gr.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.HighQuality; //gr.TextContrast = 0; //TextFormatFlags flags = TextFormatFlags.Right | TextFormatFlags.VerticalCenter | TextFormatFlags.WordBreak; //TextRenderer.DrawText(gr, Text, TextFont, DisplayRectangle, TextColor, flags); switch (textAlign) { case ContentAlignment.TopLeft: textpos = ZoomRectangle.TopLeftCorner().Move(5, 5); break; case ContentAlignment.TopCenter: textpos = ZoomRectangle.TopMiddle().Move((int)(-size.Width / 2), 5); break; case ContentAlignment.TopRight: textpos = ZoomRectangle.TopRightCorner().Move((int)(-(size.Width + 5)), 5); break; case ContentAlignment.MiddleLeft: textpos = ZoomRectangle.LeftMiddle().Move(5, (int)(-size.Height / 2)); break; case ContentAlignment.MiddleCenter: textpos = ZoomRectangle.Center().Move((int)(-size.Width / 2), (int)(-size.Height / 2)); break; case ContentAlignment.MiddleRight: textpos = ZoomRectangle.RightMiddle().Move((int)(-(size.Width + 5)), (int)(-size.Height / 2)); break; case ContentAlignment.BottomLeft: textpos = ZoomRectangle.BottomLeftCorner().Move(5, (int)-(size.Height + 5)); break; case ContentAlignment.BottomCenter: textpos = ZoomRectangle.BottomMiddle().Move((int)(-size.Width / 2), (int)-(size.Height + 5)); break; case ContentAlignment.BottomRight: textpos = ZoomRectangle.BottomRightCorner().Move((int)(-(size.Width + 5)), (int)-(size.Height + 5)); break; default: // middle center textpos = ZoomRectangle.Center().Move((int)(-size.Width / 2), (int)(-size.Height / 2)); break; } TextFormatFlags tff = TextFormatFlags.Default; switch (textAlign) { case ContentAlignment.TopLeft: tff |= TextFormatFlags.Left; break; case ContentAlignment.TopCenter: tff |= TextFormatFlags.Top | TextFormatFlags.HorizontalCenter; break; case ContentAlignment.TopRight: tff |= TextFormatFlags.Top | TextFormatFlags.Right; break; case ContentAlignment.MiddleLeft: tff |= TextFormatFlags.VerticalCenter | TextFormatFlags.Left; break; case ContentAlignment.MiddleCenter: tff |= TextFormatFlags.VerticalCenter | TextFormatFlags.HorizontalCenter; break; case ContentAlignment.MiddleRight: tff |= TextFormatFlags.VerticalCenter | TextFormatFlags.Right; break; case ContentAlignment.BottomLeft: tff |= TextFormatFlags.Bottom | TextFormatFlags.Left; break; case ContentAlignment.BottomCenter: tff |= TextFormatFlags.Bottom | TextFormatFlags.HorizontalCenter; break; case ContentAlignment.BottomRight: tff |= TextFormatFlags.Bottom | TextFormatFlags.Right; break; default: // middle center tff |= TextFormatFlags.VerticalCenter | TextFormatFlags.HorizontalCenter; break; } TextRenderer.DrawText(gr, text, font, ZoomRectangle.Grow(-3), textColor, FillColor, tff); // gr.DrawString(text, textFont, brush, textpos); brush.Dispose(); if (disposeFont) { font.Dispose(); } }