public void DrawGlyphRun(
Vector2 position,
CanvasFontFace fontFace,
float fontSize,
CanvasGlyph[] glyphs,
bool isSideways,
uint bidiLevel,
object brush,
CanvasTextMeasuringMode measuringMode,
string locale,
string textString,
int[] clusterMapIndices,
uint startingTextPosition,
CanvasGlyphOrientation glyphOrientation)
{
if (glyphs == null || glyphs.Length == 0)
{
return;
}
float scaledFontAscent = fontFace.Ascent * fontSize;
float subscriptBaselineDropAmount = scaledFontAscent * subscriptBaselineScale;
float superscriptBaselineRaiseAmount = scaledFontAscent * superscriptBaselineScale;
// Draw glyph-by-glyph.
for (int i = 0; i < glyphs.Length; ++i)
{
CanvasGlyph[] singleGlyph = new CanvasGlyph[1];
singleGlyph[0] = glyphs[i];
Vector2 positionForThisGlyph = position;
CustomBrushData brushData = (CustomBrushData)brush;
if (brushData != null)
{
if (brushData.BaselineAdjustment == CustomBrushData.BaselineAdjustmentType.Lower)
{
positionForThisGlyph.Y += subscriptBaselineDropAmount;
}
else if (brushData.BaselineAdjustment == CustomBrushData.BaselineAdjustmentType.Raise)
{
positionForThisGlyph.Y -= superscriptBaselineRaiseAmount;
}
}
DrawingSession.DrawGlyphRun(
positionForThisGlyph,
fontFace,
fontSize,
singleGlyph,
isSideways,
bidiLevel,
TextBrush);
position.X += glyphs[i].Advance;
}
}
public void DrawGlyphRun(Vector2 point, CanvasFontFace fontFace, float fontSize, CanvasGlyph[] glyphs, bool isSideways, uint bidiLevel, object brush, CanvasTextMeasuringMode measuringMode, string localeName, string textString, int[] clusterMapIndices, uint characterIndex, CanvasGlyphOrientation glyphOrientation)
{
Matrix3x2 OTrans = ds.Transform;
int i = 0;
if (characterIndex == 0)
{
ds.Transform = Matrix3x2.CreateTranslation(new Vector2(-0.5f * PTextW, -R)) * Matrix3x2.CreateRotation(Offset, Origin);
ds.DrawGlyphRun(Origin, fontFace, fontSize, new CanvasGlyph[] { glyphs[0] }, isSideways, bidiLevel, Brush);
MovingRad = 0;
i++;
}
while (i < glyphs.Length)
{
float TextW = TextWidths[i + characterIndex];
float Rad = TextW / R;
float OffsetRad = 0.5f * (PTextW + TextW) / R + MovingRad;
MovingRad += Rad;
// Stop drawing texts if ring is already crowded
if (6.2831f < (OffsetRad + Rad))
{
break;
}
ds.Transform = Matrix3x2.CreateTranslation(new Vector2(-0.5f * TextW, -R)) * Matrix3x2.CreateRotation(OffsetRad + Offset, Origin);
ds.DrawGlyphRun(Origin, fontFace, fontSize, new CanvasGlyph[] { glyphs[i] }, isSideways, bidiLevel, Brush);
i++;
}
ds.Transform = OTrans;
}
public void DrawGlyphRun(Vector2 point, CanvasFontFace fontFace, float fontSize, CanvasGlyph[] glyphs, bool isSideways, uint bidiLevel, object brush, CanvasTextMeasuringMode measuringMode, string localeName, string textString, int[] clusterMapIndices, uint characterIndex, CanvasGlyphOrientation glyphOrientation)
{
if (points == null)
{
Vector2 adv = Vector2.Zero;
for (int it = 0; it < glyphs.Length; it++)
{
var previousTransform = drawingSession.Transform;
var drawPoint = point + adv;
var rotationPoint = point + adv + new Vector2(glyphs[it].Advance / 2f, -fontSize / 4f);
drawingSession.Transform = Matrix3x2.CreateRotation(it * 0.01f, rotationPoint);
drawingSession.DrawCircle(point + adv + rotationPoint, 0.022f, Colors.Red);
drawingSession.DrawGlyphRun(
drawPoint,
fontFace,
fontSize,
new CanvasGlyph[] { glyphs[it] },
isSideways,
bidiLevel,
defaultBrush);
drawingSession.Transform = previousTransform;
adv += new Vector2(glyphs[it].Advance * Spacing, 0);
}
}
else
{
float textLength = 0;
foreach (var g in glyphs)
{
textLength += g.Advance;
}
if (textLength * 3f > dists.Last())
{
return;
}
var labelCount = MathF.Truncate(dists.Last() / (textLength * 3));
labelCount = MathF.Truncate(MathF.Min(labelCount, MathF.Sqrt(labelCount)));
var labelSegmentLength = dists.Last() / labelCount;
// DEBUG
//CanvasPathBuilder path = new CanvasPathBuilder(drawingSession);
//path.BeginFigure(points[0]);
//points.ToList().ForEach(p => path.AddLine(p));
//path.EndFigure(CanvasFigureLoop.Open);
//drawingSession.DrawGeometry(CanvasGeometry.CreatePath(path), Colors.Blue, 0.1f);
// =====
for (int label = 0; label < labelCount; label++)
{
LinearPosition = labelSegmentLength * label + (labelSegmentLength / 2f) - (textLength / 2f);
Vector2 adv = Vector2.Zero;
for (int it = 0; it < glyphs.Length; it++)
{
var online = PositionAngleOnPoly(adv.X);
var drawPoint = online.pos;
var c = fontSize / 4f;
var ox = MathF.Cos(online.a + MathF.PI / 2f) * c;
var oy = MathF.Sin(online.a + MathF.PI / 2f) * c;
drawPoint += new Vector2(ox, oy);
var rotationPoint = drawPoint; // + new Vector2(glyphs[it].Advance / 2f, -fontSize / 4f);
//drawingSession.DrawCircle(rotationPoint, 0.022f, Colors.Red);
var previousTransform = drawingSession.Transform;
drawingSession.Transform = Matrix3x2.CreateRotation(online.a, rotationPoint);
drawingSession.DrawGlyphRun(
drawPoint,
fontFace,
fontSize,
new CanvasGlyph[] { glyphs[it] },
isSideways,
bidiLevel,
defaultBrush);
drawingSession.Transform = previousTransform;
adv += new Vector2(glyphs[it].Advance * Spacing, 0);
}
}
}
//drawingSession.DrawGlyphRun(point, fontFace, fontSize, glyphs, isSideways, bidiLevel, defaultBrush);
}
