/// <summary>
/// Performs a deep copy.
/// </summary>
/// <returns></returns>
public GlyphMetrics Clone()
{
GlyphMetrics retval = new GlyphMetrics();
retval.SourceRect = SourceRect;
retval.LeftOverhang = LeftOverhang;
retval.RightOverhang = RightOverhang;
foreach (KeyValuePair <char, int> kvp in KerningPairs)
{
retval.KerningPairs.Add(kvp.Key, kvp.Value);
}
return(retval);
}
private void GetRects(string text, RectangleF[] srcRects, RectangleF[] destRects, out int rectCount)
{
double destX = 0;
double destY = 0;
int height = mCharHeight;
rectCount = 0;
for (int i = 0; i < text.Length; i++)
{
switch (text[i])
{
case '\r':
// ignore '\r' characters that are followed by '\n', because
// the line break on Windows is these two characters in succession.
if (i + 1 < text.Length && text[i + 1] == '\n')
{
break;
}
// this '\r' is not followed by a '\n', so treat it like any other character.
goto default;
case '\n':
destX = 0;
destY += height * this.ScaleHeight;
break;
default:
GlyphMetrics glyph = mFontMetrics[text[i]];
destX = Math.Max(0, destX - glyph.LeftOverhang * ScaleWidth);
srcRects[rectCount] = new RectangleF(
glyph.SourceRect.X, glyph.SourceRect.Y,
glyph.SourceRect.Width, glyph.SourceRect.Height);
destRects[rectCount] = new RectangleF((float)destX, (float)destY,
(float)(srcRects[rectCount].Width * ScaleWidth),
(float)(srcRects[rectCount].Height * ScaleHeight));
destX += destRects[rectCount].Width - glyph.RightOverhang * ScaleWidth;
rectCount++;
break;
}
}
}
private void ExtractMonoSpaceAsciiFont(Size characterSize)
{
int x = 0;
int y = 0;
char val = '\0';
while (y + characterSize.Height <= mSurface.SurfaceHeight)
{
Rectangle src = new Rectangle(x, y, characterSize.Width, characterSize.Height);
mFontMetrics[val] = new GlyphMetrics(src);
val++;
x += characterSize.Width;
if (x + characterSize.Width > mSurface.SurfaceWidth)
{
y += characterSize.Height;
x = 0;
}
}
CalcAverageCharWidth();
}
