public BakedCharCollection(char firstCodepoint, BakedChar[] characters,
int bakeWidth, int bakeHeight)
{
if (characters == null)
{
throw new ArgumentNullException("characters");
}
Dictionary <char, BakedChar> dictionary = new Dictionary <char, BakedChar>();
for (int i = 0; i < characters.Length; i++)
{
char codepoint = (char)(firstCodepoint + i);
if (char.IsSurrogate(codepoint))
{
continue;
}
BakedChar character = characters[i];
if (character.IsEmpty)
{
continue;
}
dictionary[codepoint] = character;
}
Create(dictionary, bakeWidth, bakeHeight);
}
public int BakeFontBitmap(float xScale, float yScale, char firstCodepoint,
BakedChar[] characters, FontBitmap bitmap)
{
if (!bitmap.IsValid) { throw new ArgumentException("bitmap"); }
if (characters == null) { throw new ArgumentNullException("characters"); }
return stb_truetype.stbtt_BakeFontBitmap(ref _info, xScale, yScale,
bitmap.StartPointer, bitmap.Width, bitmap.Height, bitmap.Stride,
(int)firstCodepoint, characters.Length,
new FakePtr<BakedChar>() { Array = characters });
}
// generates square textures ... minimalHeight can be used to crop if desired
public FontBitmap BakeFontBitmap(float pixelHeight, char firstCodepoint,
BakedChar[] characters, out int minimalHeight)
{
int size = 16;
if (characters.Length == 0) { minimalHeight = 0; return new FontBitmap(0, 0); }
while (true)
{
var bitmap = new FontBitmap(size, size);
int result = BakeFontBitmap(pixelHeight, firstCodepoint, characters, bitmap);
if (result > 0) { minimalHeight = result; return bitmap; }
size *= 2;
}
}
public BakedCharCollection(char firstCodepoint, BakedChar[] characters,
int bakeWidth, int bakeHeight)
{
if (characters == null) { throw new ArgumentNullException("characters"); }
Dictionary<char, BakedChar> dictionary = new Dictionary<char, BakedChar>();
for (int i = 0; i < characters.Length; i++)
{
char codepoint = (char)(firstCodepoint + i);
if (char.IsSurrogate(codepoint)) { continue; }
BakedChar character = characters[i];
if (character.IsEmpty) { continue; }
dictionary[codepoint] = character;
}
Create(dictionary, bakeWidth, bakeHeight);
}
public FontBitmap BakeFontBitmap(float pixelHeight, char firstCodepoint,
int characterCount, out BakedCharCollection characters, bool shrinkToMinimalHeight)
{
if (characterCount < 0)
{
throw new ArgumentOutOfRangeException("characterCount");
}
var charArray = new BakedChar[characterCount]; int minimalHeight;
var bitmap = BakeFontBitmap(pixelHeight, firstCodepoint, charArray, out minimalHeight);
if (shrinkToMinimalHeight)
{
bitmap.Height = minimalHeight; bitmap = bitmap.GetTrimmedBitmap();
}
characters = new BakedCharCollection(firstCodepoint, charArray, bitmap.Width, bitmap.Height);
return(bitmap);
}
public int BakeFontBitmap(float pixelHeight, char firstCodepoint,
BakedChar[] characters, FontBitmap bitmap)
{
float scale = GetScaleForPixelHeight(pixelHeight);
return BakeFontBitmap(scale, scale, firstCodepoint, characters, bitmap);
}
public FontBitmap BakeFontBitmap(float pixelHeight, char firstCodepoint,
int characterCount, out BakedCharCollection characters, bool shrinkToMinimalHeight)
{
if (characterCount < 0) { throw new ArgumentOutOfRangeException("characterCount"); }
var charArray = new BakedChar[characterCount]; int minimalHeight;
var bitmap = BakeFontBitmap(pixelHeight, firstCodepoint, charArray, out minimalHeight);
if (shrinkToMinimalHeight) { bitmap.Height = minimalHeight; bitmap = bitmap.GetTrimmedBitmap(); }
characters = new BakedCharCollection(firstCodepoint, charArray, bitmap.Width, bitmap.Height);
return bitmap;
}