public int BakeFontBitmap(float pixelHeight, char firstCodepoint,
BakedChar[] characters, FontBitmap bitmap)
{
float scale = GetScaleForPixelHeight(pixelHeight);
return(BakeFontBitmap(scale, scale, firstCodepoint, characters, bitmap));
}
public void MakeGlyphBitmapSubpixel(uint glyphIndex,
float xScale, float yScale, float xShift, float yShift,
FontBitmap bitmap)
{
if (bitmap.Buffer == null)
{
throw new ArgumentNullException("bitmap.Buffer");
}
stb_truetype.stbtt_MakeGlyphBitmapSubpixel(ref _info,
bitmap.StartPointer, bitmap.Width, bitmap.Height, bitmap.Stride,
xScale, yScale, xShift, yShift, glyphIndex);
}
public FontBitmap GetResizedBitmap(int width, int height)
{
var bitmap = new FontBitmap(width, height);
int w = Math.Min(width, Width), h = Math.Min(height, Height);
for (int y = 0; y < h; y++)
{
for (int x = 0; x < w; x++)
{
bitmap[x, y] = this[x, y];
}
}
return(bitmap);
}
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 void MakeGlyphBitmap(int glyphIndex, float xScale, float yScale, FontBitmap bitmap)
{
MakeGlyphBitmapSubpixel(glyphIndex, xScale, yScale, 0, 0, bitmap);
}
