public void DrawGlyphRun(Brush foreground, GlyphRun glyphRun)
{
if (foreground == null)
{
return;
}
AssertState(DeviceState.PageStarted, DeviceState.NoChange);
GlyphPrimitive g = new GlyphPrimitive();
bool needBounds = false;
if (foreground != null && !(foreground is SolidColorBrush))
{
needBounds = true;
}
g.GlyphRun = glyphRun;
g.Brush = BrushProxy.CreateBrush(foreground, g.GetRectBounds(needBounds));
g.Clip = _clip;
g.Opacity = _opacity;
g.OpacityMask = _opacityMask;
// Optimization: Unfold primitive DrawingBrush when possible to avoid rasterizing it.
Primitive primitive = g.UnfoldDrawingBrush();
if (primitive != null)
{
_root.Children.Add(primitive);
}
}
bool IProxyDrawingContext.DrawGlyphs(GlyphRun glyphrun, Geometry clip, Matrix trans, BrushProxy foreground)
{
bool empty;
clip = Utility.Intersect(_clip, Utility.TransformGeometry(clip, _transform), Matrix.Identity, out empty);
if (empty)
{
return(true);
}
GlyphPrimitive gp = new GlyphPrimitive();
gp.GlyphRun = glyphrun;
gp.Clip = clip;
gp.Transform = trans * _transform;
gp.Brush = foreground;
gp.PushOpacity(_opacity, _opacityMask);
_flattener.AddPrimitive(gp);
return(true);
}
static internal void PrintPrimitive(PrimitiveInfo info, int index, bool verbose)
{
if (index < 0)
{
Console.WriteLine();
Console.WriteLine(" No Type Und Ovr TrO Bounding Box Clipping");
if (verbose)
{
Console.Write(" Transform");
}
Console.WriteLine();
return;
}
Primitive p = info.primitive;
string typ = p.GetType().ToString();
typ = typ.Substring(typ.LastIndexOf('.') + 1);
Console.Write(LeftPad(index, 4) + LeftPad(typ, 18) + ":");
List <int> extra = null;
if (p.IsOpaque)
{
Console.Write(' ');
}
else
{
Console.Write('@');
}
if (info.underlay == null)
{
Console.Write(" ");
}
else
{
extra = info.underlay;
Console.Write(LeftPad(info.underlay.Count, 3));
}
if (info.overlap != null)
{
Console.Write(' ' + LeftPad(info.overlap.Count, 3));
if (info.overlapHasTransparency != 0)
{
Console.Write('$');
Console.Write(LeftPad(info.overlapHasTransparency, 3));
}
else
{
Console.Write(" ");
}
Console.Write(' ');
}
else
{
Console.Write(" ");
}
Console.Write(LeftPad(info.bounds, 0));
Geometry clip = p.Clip;
if (clip != null)
{
Console.Write(LeftPad(clip.Bounds, 0));
}
if (verbose)
{
Matrix m = p.Transform;
Console.Write(" {");
Console.Write(LeftPad(m.M11, 3) + ' ');
Console.Write(LeftPad(m.M12, 3) + ' ');
Console.Write(LeftPad(m.M21, 3) + ' ');
Console.Write(LeftPad(m.M22, 3) + ' ');
Console.Write(LeftPad(m.OffsetX, 6) + ' ');
Console.Write(LeftPad(m.OffsetY, 6));
Console.Write("} ");
}
if (verbose)
{
GlyphPrimitive gp = p as GlyphPrimitive;
if (gp != null)
{
IList <char> chars = gp.GlyphRun.Characters;
Console.Write(" \"");
for (int i = 0; i < chars.Count; i++)
{
Console.Write(chars[i]);
}
Console.Write('"');
}
}
if (verbose)
{
GeometryPrimitive gp = p as GeometryPrimitive;
if ((gp != null) && (gp.Brush != null) && (gp.Pen == null))
{
Brush b = gp.Brush.Brush;
if (b != null)
{
SolidColorBrush sb = b as SolidColorBrush;
if (sb != null)
{
Console.Write(" SolidColorBrush({0})", sb.Color);
}
}
}
}
if (extra != null)
{
Console.Write(' ');
Console.Write(LeftPad(extra, 0));
}
Console.WriteLine();
}
/// <summary>
/// Resolve overlapping for a single primitive
/// </summary>
/// <param name="primitive"></param>
/// <param name="overlapping"></param>
/// <param name="overlapHasTransparency"></param>
/// <param name="disjoint"></param>
/// <param name="desp"></param>
private void AlphaRender(Primitive primitive, List <int> overlapping, int overlapHasTransparency, bool disjoint, string desp)
{
if (primitive == null)
{
return;
}
// Skip alpha flattening when there are too many layer of transparency
if (overlapHasTransparency > Configuration.MaximumTransparencyLayer)
{
overlapping = null;
}
PrimitiveRenderer ri = new PrimitiveRenderer();
ri.Clip = primitive.Clip;
ri.Brush = null;
ri.Pen = null;
ri.Overlapping = overlapping;
ri.Commands = _dl.Commands;
ri.DC = _dc;
ri.Disjoint = disjoint;
GeometryPrimitive p = primitive as GeometryPrimitive;
if (p != null)
{
ri.Brush = p.Brush;
ri.Pen = p.Pen;
bool done = false;
Geometry g = p.Geometry;
GlyphPrimitive gp = p as GlyphPrimitive;
if (gp != null)
{
done = ri.DrawGlyphs(gp.GlyphRun, gp.GetRectBounds(true), p.Transform, desp);
if (!done)
{
g = p.WidenGeometry;
}
}
if (!done)
{
if (!p.Transform.IsIdentity)
{
// Should not occur; GeometryPrimitive.ApplyTransform will push transform
// to geometry and brush.
g = Utility.TransformGeometry(g, p.Transform);
if (ri.Brush != null)
{
ri.Brush = ri.Brush.ApplyTransformCopy(p.Transform);
}
if (ri.Pen != null && ri.Pen.StrokeBrush != null)
{
ri.Pen = ri.Pen.Clone();
ri.Pen.StrokeBrush = ri.Pen.StrokeBrush.ApplyTransformCopy(p.Transform);
}
}
ri.DrawGeometry(g, desp, p);
}
return;
}
ImagePrimitive ip = primitive as ImagePrimitive;
if (ip != null)
{
ri.RenderImage(ip.Image, ip.DstRect, ip.Clip, ip.Transform, desp);
}
else
{
Debug.Assert(false, "Wrong Primitive type");
}
}