public void GetGlyphKerningInfo( GlyphInfo glyph )
{
if( !FontContainsChar( glyph.Character ) )
{
glyph.ABCKernLeading = 0;
glyph.ABCKernWidth = glyph.Size.Width;
glyph.ABCKernTrailing = 0;
return;
}
ABCFloat abc;
GetCharABCWidthsFloatW( dc, (uint)glyph.Character, (uint)glyph.Character, out abc );
glyph.ABCKernLeading = abc.A;
glyph.ABCKernWidth = abc.B;
glyph.ABCKernTrailing = abc.C;
}
public void WriteData(Stream stream)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
int[] kernMap = new int[glyphs.Count];
List <KeyValuePair <char, int> > allKernings = new List <KeyValuePair <char, int> >();
for (int i = 0; i < glyphs.Count; i++)
{
if (glyphs[i].Kernings.Count == 0)
{
kernMap[i] = -1;
continue;
}
kernMap[i] = allKernings.Count;
allKernings.AddRange(glyphs[i].Kernings);
}
BinaryWriter writer = new BinaryWriter(stream);
writer.Write(FontIdent);
writer.Write(FontVersion);
writer.Write(fontName.Length);
for (int i = 0; i < fontName.Length; i++)
{
writer.Write((int)fontName[i]);
}
writer.Write((int)style);
writer.Write(size);
writer.Write(lineHeight);
writer.Write((int)glyphs.Count);
writer.Write((int)sheets.Count);
writer.Write((int)allKernings.Count);
for (int i = 0; i < glyphs.Count; i++)
{
GlyphInfo g = glyphs[i];
writer.Write((int)g.Character);
}
for (int i = 0; i < glyphs.Count; i++)
{
GlyphInfo g = glyphs[i];
writer.Write(sheets.IndexOf(g.Sheet));
writer.Write(g.Size.Width);
writer.Write(g.Size.Height);
writer.Write(g.GlyphOffset.X);
writer.Write(g.GlyphOffset.Y);
writer.Write(g.SheetRectangle.X);
writer.Write(g.SheetRectangle.Y);
writer.Write(g.SheetRectangle.Width);
writer.Write(g.SheetRectangle.Height);
writer.Write(g.ABCKernLeading);
writer.Write(g.ABCKernWidth);
writer.Write(g.ABCKernTrailing);
writer.Write(kernMap[i]);
writer.Write(g.Kernings.Count);
writer.Write(glyphs.IndexOf(g.SmallCap));
}
for (int i = 0; i < allKernings.Count; i++)
{
writer.Write((int)allKernings[i].Key);
writer.Write(allKernings[i].Value);
}
for (int i = 0; i < sheets.Count; i++)
{
writer.Write(sheets[i].SheetDataSize.Width);
writer.Write(sheets[i].SheetDataSize.Height);
for (int y = 0; y < sheets[i].SheetDataSize.Height; y++)
{
writer.Write(sheets[i].SheetData[y], 0, sheets[i].SheetDataSize.Width);
}
}
writer.Flush();
}
private List <GlyphSheet> LayoutSheets(Queue <GlyphInfo> glyphs)
{
List <GlyphSheet> ret = new List <GlyphSheet>();
//ToDo: sort?
while (glyphs.Count != 0)
{
GlyphSheet currSheet = new GlyphSheet(imageSize);
int y;
for (y = 0; glyphs.Count != 0 && y < imageSize.Height;)
{
int availY = imageSize.Height - y;
int maxY = 0;
for (int x = 0; glyphs.Count != 0 && x < imageSize.Width;)
{
GlyphInfo glyph = glyphs.Peek();
//see if we have room to add anything height-wise
if (glyph.GlyphDataSize.Height > availY)
{
//no, break out
break;
}
//find out where we'll be
int newX = x + glyph.GlyphDataSize.Width;
if (newX > imageSize.Width)
{
//no room, break on to the next room
break;
}
//don't let the next row stomp on this
if (glyph.GlyphDataSize.Height > maxY)
{
maxY = glyph.GlyphDataSize.Height;
}
glyph.Sheet = currSheet;
glyph.SheetRectangle = new Rectangle(x, y, glyph.GlyphDataSize.Width, glyph.GlyphDataSize.Height);
currSheet.Glyphs.Add(glyph);
//advance to the next character
glyphs.Dequeue();
x = newX + padding;
}
y += maxY + padding;
}
if (y == 0)
{
continue;
}
//see if we can cut off the bottom of the image
if (y < currSheet.SheetDataSize.Height / 2)
{
int targetH = currSheet.SheetDataSize.Height / 2;
while (y < targetH / 2)
{
targetH /= 2;
}
GlyphSheet newSheet = new GlyphSheet(new Size(currSheet.SheetDataSize.Width, targetH));
newSheet.Glyphs.AddRange(currSheet.Glyphs);
foreach (GlyphInfo glyph in newSheet.Glyphs)
{
glyph.Sheet = newSheet;
}
currSheet = newSheet;
}
ret.Add(currSheet);
}
return(ret);
}
