public void DrawText(string text, Rect frame, Font font, TextAlignment alignment = TextAlignment.Left, Pen pen = null, BaseBrush brush = null)
{
var layout = new DW.TextLayout (factories.DWFactory, text, GetTextFormat (font), (float)frame.Width, (float)frame.Height);
var h = layout.Metrics.Height;
//todo : : Attempted to read or write protected memory. This is often an indication that other memory is corrupt.
//renderTarget.DrawTextLayout ((frame.TopLeft - h*Point.OneY.Y).ToVector2 (), layout, GetBrush (frame, brush));
}
private DW.TextFormat GetTextFormat(Font font)
{
return new DW.TextFormat (factories.DWFactory, font.Family, (float)font.Size);
}
private TextPaint GetFontPaint(Font font, TextAlignment alignment)
{
var paint = new TextPaint(PaintFlags.AntiAlias);
paint.TextAlign = Paint.Align.Left;
if (alignment == TextAlignment.Center)
paint.TextAlign = Paint.Align.Left;
else if (alignment == TextAlignment.Right)
paint.TextAlign = Paint.Align.Right;
paint.TextSize = (float) font.Size;
var typeface = Typeface.Create(font.Family, TypefaceStyle.Normal);
paint.SetTypeface(typeface);
return paint;
}
public void DrawText(string text, Rect frame, Font font, TextAlignment alignment = TextAlignment.Left,
Pen pen = null, BaseBrush brush = null)
{
if (brush == null)
return;
var paint = GetFontPaint(font, alignment);
var w = paint.MeasureText(text);
var fm = paint.GetFontMetrics();
var h = fm.Ascent + fm.Descent;
var point = frame.Position;
var fr = new Rect(point, new Size(w, h));
AddBrushPaint(paint, brush, fr);
graphics.DrawText(text, (float) point.X, (float) point.Y, paint);
}
public void DrawText(string text, Rect frame, Font font, TextAlignment alignment = TextAlignment.Left,
Pen pen = null, BaseBrush baseBrush = null)
{
if (baseBrush == null)
return;
var sdfont = new System.Drawing.Font(font.Family, (float) font.Size, FontStyle.Regular, GraphicsUnit.Pixel);
var sz = graphics.MeasureString(text, sdfont);
var point = frame.Position;
var fr = new Rect(point, new Size(sz.Width, sz.Height));
graphics.DrawString(text, sdfont, baseBrush.GetBrush(fr),
Conversions.GetPointF(point - new Point(0, sdfont.Height)));
}
private void AddElement(IList<IDrawable> list, XElement e, Pen inheritPen, BaseBrush inheritBaseBrush)
{
Element element = null;
var styleAttributedDictionary = e.Attributes().ToDictionary(k => k.Name.LocalName, v => v.Value);
var pen = _stylesParser.GetPen(styleAttributedDictionary);
var baseBrush = _stylesParser.GetBrush(styleAttributedDictionary,defs, pen);
var style = ReadString(e.Attribute("style"));
if (!string.IsNullOrWhiteSpace(style))
{
ApplyStyle(style, ref pen, ref baseBrush);
}
pen = pen ?? inheritPen;
baseBrush = baseBrush ?? inheritBaseBrush;
//var id = ReadString (e.Attribute ("id"));
//
// Elements
//
switch (e.Name.LocalName)
{
case "text":
{
var x = _valuesParser.ReadNumber(e.Attribute("x"));
var y = _valuesParser.ReadNumber(e.Attribute("y"));
var text = e.Value.Trim();
var font = new Font();
element = new Text(text, new Rect(new Point(x, y), new Size(double.MaxValue, double.MaxValue)), font,
TextAlignment.Left, pen, baseBrush);
}
break;
case "rect":
{
var x = _valuesParser.ReadNumber(e.Attribute("x"));
var y = _valuesParser.ReadNumber(e.Attribute("y"));
var width = _valuesParser.ReadNumber(e.Attribute("width"));
var height = _valuesParser.ReadNumber(e.Attribute("height"));
element = new Rectangle(new Point(x, y), new Size(width, height), pen, baseBrush);
}
break;
case "ellipse":
{
var cx = _valuesParser.ReadNumber(e.Attribute("cx"));
var cy = _valuesParser.ReadNumber(e.Attribute("cy"));
var rx = _valuesParser.ReadNumber(e.Attribute("rx"));
var ry = _valuesParser.ReadNumber(e.Attribute("ry"));
element = new Ellipse(new Point(cx - rx, cy - ry), new Size(2*rx, 2*ry), pen, baseBrush);
}
break;
case "circle":
{
var cx = _valuesParser.ReadNumber(e.Attribute("cx"));
var cy = _valuesParser.ReadNumber(e.Attribute("cy"));
var rr = _valuesParser.ReadNumber(e.Attribute("r"));
element = new Ellipse(new Point(cx - rr, cy - rr), new Size(2*rr, 2*rr), pen, baseBrush);
}
break;
case "path":
{
var dA = e.Attribute("d");
if (dA != null && !string.IsNullOrWhiteSpace(dA.Value))
{
var p = new Path(pen, baseBrush);
SvgPathParser.Parse(p, dA.Value);
element = p;
}
}
break;
case "g":
{
var g = new Group();
AddElements(g.Children, e.Elements(), pen, baseBrush);
element = g;
}
break;
case "use":
{
var href = ReadString(e.Attributes().FirstOrDefault(x => x.Name.LocalName == "href"));
if (!string.IsNullOrWhiteSpace(href))
{
XElement useE;
if (defs.TryGetValue(href.Trim().Replace("#", ""), out useE))
{
var useList = new List<IDrawable>();
AddElement(useList, useE, pen, baseBrush);
element = useList.OfType<Element>().FirstOrDefault();
}
}
}
break;
case "title":
Graphic.Title = ReadString(e);
break;
case "description":
Graphic.Description = ReadString(e);
break;
case "defs":
// Already read in earlier pass
break;
case "namedview":
case "metadata":
case "SVGTestCase":
case "switch":
break;
default:
throw new NotSupportedException("SVG element \"" + e.Name.LocalName + "\" is not supported");
}
if (element != null)
{
element.Transform = ReadTransform(ReadString(e.Attribute("transform")));
list.Add(element);
}
}
public void DrawText(string text, Rect frame, Font font, TextAlignment alignment = TextAlignment.Left, Pen pen = null, BaseBrush brush = null)
{
}