/// <summary>
/// Creates the <see cref="IPathCollection"/> for all the characters, also getting their colors,
/// glyph sizes and render offsets.
/// </summary>
public GlyphPath CreatePath(int size, int codepoint)
{
ColorGlyphRenderer glyphRenderer = new ColorGlyphRenderer();
glyphRenderer.Reset();
GlyphInstance glyphInstance = FontInstance.GetGlyph(codepoint);
var pointSize = size * PointsPerInch / Dpi;
glyphInstance.RenderTo(glyphRenderer, pointSize, new Vector2(0, 0), new Vector2(Dpi, Dpi), 0);
IPathCollection p = glyphRenderer.Paths;
RectangleF bounds = p.Bounds;
var area = bounds.Width * bounds.Height;
if (area == 0)
{
return(null);
}
if (char.IsWhiteSpace((char)codepoint))
{
p = null;
}
return(new GlyphPath
{
Size = size,
Codepoint = codepoint,
Bounds = new Microsoft.Xna.Framework.Rectangle((int)bounds.X, (int)bounds.Y,
(int)Math.Ceiling(bounds.Width), (int)Math.Ceiling(bounds.Height)),
Paths = p
});
}
/// <summary>
/// Creates the <see cref="IPathCollection"/> for all the characters, also getting their colors,
/// glyph sizes and render offsets.
/// </summary>
private IPathCollection[] CreatePaths(out Color?[][] colors, out System.Drawing.Point[] sizes, out Vector2[] offsets)
{
float glyphRenderY = Size / CalcDpi * FontInstance.Ascender / FontInstance.EmSize;
ColorGlyphRenderer glyphRenderer = new ColorGlyphRenderer();
IPathCollection[] paths = new IPathCollection[CharCount];
sizes = new System.Drawing.Point[paths.Length];
offsets = new Vector2[paths.Length];
colors = null;
for (int i = 0; i < paths.Length; i++)
{
char c = (char)(i + FirstChar);
glyphRenderer.Reset();
GlyphInstance glyphInstance = FontInstance.GetGlyph(c);
glyphInstance.RenderTo(glyphRenderer, Size, new Vector2(0, glyphRenderY), new Vector2(DrawDpi, DrawDpi), 0);
IPathCollection p = glyphRenderer.Paths;
RectangleF bounds = p.Bounds;
float area = bounds.Width * bounds.Height;
if (float.IsFinite(area) && area != 0 && (c > char.MaxValue || !char.IsWhiteSpace(c)))
{
paths[i] = p;
sizes[i] = new System.Drawing.Point((int)Math.Ceiling(bounds.Width), (int)Math.Ceiling(bounds.Height));
renderOffsets[i] = new Vector2(bounds.X, bounds.Y);
}
if (glyphRenderer.HasAnyPathColors())
{
if (colors == null)
{
colors = new Color?[CharCount][];
}
colors[i] = glyphRenderer.PathColors;
}
}
return(paths);
}
