public bool TextIterNext(FontTextIterator iter, FontGlyphSquad *quad)
{
iter.Str = iter.Next;
if (iter.Str.IsNullOrEmpty)
{
return(false);
}
iter.Codepoint = Char.ConvertToUtf32(iter.Str.String, iter.Str.Location);
iter.X = iter.NextX;
iter.Y = iter.NextY;
var glyph = GetGlyph(iter.Font, iter.Codepoint, iter.iSize, iter.iBlur, iter.BitmapOption);
if (glyph != null)
{
GetQuad(iter.Font, iter.PrevGlyphIndex, glyph, iter.Scale, iter.Spacing, ref iter.NextX, ref iter.NextY,
quad);
}
iter.PrevGlyphIndex = glyph != null ? glyph->Index : -1;
if (Char.IsSurrogatePair(iter.Str.String, iter.Str.Location))
{
iter.Next.Location += 2;
}
else
{
++iter.Next.Location;
}
return(true);
}
public int TextIterInit(FontTextIterator iter, float x, float y, StringSegment str, int bitmapOption)
{
var state = GetState();
float width = 0;
if (state.Font < 0 || state.Font >= _fontsNumber)
{
return(0);
}
iter.Font = _fonts[state.Font];
if (iter.Font.Data == null)
{
return(0);
}
iter.iSize = (short)(state.Size * 10.0f);
iter.iBlur = (short)state.Blur;
iter.Scale = iter.Font.FontInfo.__tt_getPixelHeightScale(iter.iSize / 10.0f);
if ((state.Align & Alignment.Left) != 0)
{
}
else if ((state.Align & Alignment.Right) != 0)
{
var bounds = new Bounds();
width = TextBounds(x, y, str, ref bounds);
x -= width;
}
else if ((state.Align & Alignment.Center) != 0)
{
var bounds = new Bounds();
width = TextBounds(x, y, str, ref bounds);
x -= width * 0.5f;
}
y += GetVertAlign(iter.Font, state.Align, iter.iSize);
iter.X = iter.NextX = x;
iter.Y = iter.NextY = y;
iter.Spacing = state.Spacing;
iter.Str = str;
iter.Next = str;
iter.Codepoint = 0;
iter.PrevGlyphIndex = -1;
iter.BitmapOption = bitmapOption;
return(1);
}
