internal static bool TryGetCharacterBounds(IReadOnlyList <GlyphLayout> glyphLayouts, Vector2 dpi, out GlyphMetric[] characterBounds)
{
bool hasSize = false;
if (glyphLayouts.Count == 0)
{
characterBounds = EmptyGlyphMetricArray;
return(hasSize);
}
var characterBoundsList = new GlyphMetric[glyphLayouts.Count];
for (int i = 0; i < glyphLayouts.Count; i++)
{
GlyphLayout c = glyphLayouts[i];
// TODO: This sets the hasSize value to the last layout... is this correct?
if (!c.IsControlCharacter)
{
hasSize = true;
}
characterBoundsList[i] = new GlyphMetric(c.CodePoint, c.BoundingBox(dpi), c.IsControlCharacter);
}
characterBounds = characterBoundsList;
return(hasSize);
}
internal static FontRectangle GetBounds(IReadOnlyList <GlyphLayout> glyphLayouts, Vector2 dpi)
{
if (glyphLayouts.Count == 0)
{
return(FontRectangle.Empty);
}
bool hasSize = false;
float left = int.MaxValue;
float top = int.MaxValue;
float bottom = int.MinValue;
float right = int.MinValue;
for (int i = 0; i < glyphLayouts.Count; i++)
{
GlyphLayout c = glyphLayouts[i];
if (!c.IsControlCharacter)
{
hasSize = true;
FontRectangle box = c.BoundingBox(dpi);
if (left > box.Left)
{
left = box.Left;
}
if (top > box.Top)
{
top = box.Top;
}
if (bottom < box.Bottom)
{
bottom = box.Bottom;
}
if (right < box.Right)
{
right = box.Right;
}
}
}
if (!hasSize)
{
return(FontRectangle.Empty);
}
float width = right - left;
float height = bottom - top;
return(new FontRectangle(left, top, width, height));
}
internal static bool TryGetCharacterBounds(IReadOnlyList <GlyphLayout> glyphLayouts, float dpi, out GlyphBounds[] characterBounds)
{
bool hasSize = false;
if (glyphLayouts.Count == 0)
{
characterBounds = Array.Empty <GlyphBounds>();
return(hasSize);
}
var characterBoundsList = new GlyphBounds[glyphLayouts.Count];
for (int i = 0; i < glyphLayouts.Count; i++)
{
GlyphLayout g = glyphLayouts[i];
hasSize |= !g.IsStartOfLine;
characterBoundsList[i] = new GlyphBounds(g.Glyph.GlyphMetrics.CodePoint, g.BoundingBox(dpi));
}
characterBounds = characterBoundsList;
return(hasSize);
}
