public void SetFixedWidthGlyphs(string glyphs)
{
BitmapFontData data = Data;
int maxAdvance = 0;
for (int index = 0, end = glyphs.Length; index < end; index++)
{
Glyph g = data[glyphs[index]];
if (g != null && g.XAdvance > maxAdvance)
{
maxAdvance = g.XAdvance;
}
}
for (int index = 0, end = glyphs.Length; index < end; index++)
{
Glyph g = data[glyphs[index]];
if (g == null)
{
continue;
}
g.XOffset += (maxAdvance - g.XAdvance) / 2;
g.XAdvance = maxAdvance;
g.Kerning = null;
}
}
public BitmapFont(GraphicsDevice device, BitmapFontData data, TextureRegion region, bool integer)
{
if (region != null)
{
_region = region;
}
else
{
if (data.FontFile == null)
{
_region = new TextureRegion(new TextureContext(device, data.ImagePath, true));
// this.region = new TextureRegion(new Texture(Gdx.files.internal(data.imagePath), false));
throw new NotImplementedException();
}
else
{
_region = new TextureRegion(new TextureContext(device, data.ImagePath, true));
// this.region = new TextureRegion(new Texture(Gdx.files.getFileHandle(data.imagePath, data.fontFile.type()), false));
//throw new NotImplementedException();
}
}
_cache = new BitmapFontCache(this)
{
UsesIntegerPositions = integer,
};
_flipped = data.IsFlipped;
_data = data;
UsesIntegerPostions = integer;
Load(_data);
//OwnsTexture = (_region == null);
}
public int ComputeVisibleGlyphs(CharSequence str, int start, int end, float availableWidth)
{
BitmapFontData data = Data;
int index = start;
float width = 0;
Glyph lastGlyph = null;
availableWidth /= data.ScaleX;
for (; index < end; index++)
{
char ch = str[index];
Glyph g = data[ch];
if (g != null)
{
if (lastGlyph != null)
{
width += lastGlyph.GetKerning(ch);
}
if ((width + g.XAdvance) - availableWidth > .001f)
{
break;
}
width += g.XAdvance;
lastGlyph = g;
}
}
return(index - start);
}
public TextBounds GetBounds(CharSequence str, int start, int end)
{
BitmapFontData data = Data;
int width = 0;
Glyph lastGlyph = null;
while (start < end)
{
lastGlyph = data[str[start++]];
if (lastGlyph != null)
{
width = lastGlyph.XAdvance;
break;
}
}
while (start < end)
{
char ch = str[start++];
Glyph g = data[ch];
if (g != null)
{
width += lastGlyph.GetKerning(ch);
lastGlyph = g;
width += g.XAdvance;
}
}
return(new TextBounds()
{
Width = width * data.ScaleX,
Height = data.CapHeight,
});
}
public void SetScale(float scaleX, float scaleY)
{
BitmapFontData data = Data;
float x = scaleX / data.ScaleX;
float y = scaleY / data.ScaleY;
data.LineHeight = data.LineHeight * y;
data.SpaceWidth = data.SpaceWidth * x;
data.XHeight = data.XHeight * y;
data.CapHeight = data.CapHeight * y;
data.Ascent = data.Ascent * y;
data.Descent = data.Descent * y;
data.Down = data.Down * y;
data.ScaleX = scaleX;
data.ScaleY = scaleY;
}
private float AddToCache(CharSequence str, float x, float y, int start, int end)
{
float startX = x;
BitmapFont font = Font;
Glyph lastGlyph = null;
BitmapFontData data = font.Data;
if (data.ScaleX == 1 && data.ScaleY == 1)
{
while (start < end)
{
lastGlyph = data[str[start++]];
if (lastGlyph != null)
{
AddGlyph(lastGlyph, x + lastGlyph.XOffset, y + lastGlyph.YOffset, lastGlyph.Width, lastGlyph.Height);
x += lastGlyph.XAdvance;
break;
}
}
while (start < end)
{
char ch = str[start++];
Glyph g = data[ch];
if (g != null)
{
x += lastGlyph.GetKerning(ch);
lastGlyph = g;
AddGlyph(lastGlyph, x + g.XOffset, y + g.YOffset, g.Width, g.Height);
x += g.XAdvance;
}
}
}
else
{
float scaleX = data.ScaleX;
float scaleY = data.ScaleY;
while (start < end)
{
lastGlyph = data[str[start++]];
if (lastGlyph != null)
{
AddGlyph(lastGlyph, x + lastGlyph.XOffset * scaleX, y + lastGlyph.YOffset * scaleY,
lastGlyph.Width * scaleX, lastGlyph.Height * scaleY);
x += lastGlyph.XAdvance * scaleX;
}
}
while (start < end)
{
char ch = str[start++];
Glyph g = data[ch];
if (g != null)
{
x += lastGlyph.GetKerning(ch) * scaleX;
lastGlyph = g;
AddGlyph(lastGlyph, x + g.XOffset * scaleX, y + g.YOffset * scaleY,
lastGlyph.Width * scaleX, lastGlyph.Height * scaleY);
x += g.XAdvance * scaleX;
}
}
}
return(x - startX);
}
public void ComputeGlyphAdvancesAndPositions(CharSequence str, IList <float> glyphAdvances, IList <float> glyphPositions)
{
glyphAdvances.Clear();
glyphPositions.Clear();
int index = 0;
int end = str.Length;
float width = 0;
Glyph lastGlyph = null;
BitmapFontData data = Data;
if (data.ScaleX == 1)
{
for (; index < end; index++)
{
char ch = str[index];
Glyph g = data[ch];
if (g != null)
{
if (lastGlyph != null)
{
width += lastGlyph.GetKerning(ch);
}
lastGlyph = g;
glyphAdvances.Add(g.XAdvance);
glyphPositions.Add(width);
width += g.XAdvance;
}
}
glyphAdvances.Add(0);
glyphPositions.Add(width);
}
else
{
float scaleX = data.ScaleX;
for (; index < end; index++)
{
char ch = str[index];
Glyph g = data[ch];
if (g != null)
{
if (lastGlyph != null)
{
width += lastGlyph.GetKerning(ch) * scaleX;
}
lastGlyph = g;
float xAdvance = g.XAdvance * scaleX;
glyphAdvances.Add(xAdvance);
glyphPositions.Add(width);
width += xAdvance;
}
}
glyphAdvances.Add(0);
glyphPositions.Add(width);
}
}
private void Load(BitmapFontData data)
{
float invTexWidth = 1f / _region.Texture.Width;
float invTexHeight = 1f / _region.Texture.Height;
float u = _region.U;
float v = _region.V;
float offsetX = 0;
float offsetY = 0;
float regionWidth = _region.RegionWidth;
float regionHeight = _region.RegionHeight;
if (_region is TextureAtlas.AtlasRegion)
{
// Compensate for whitespace stripped from left and top edges.
TextureAtlas.AtlasRegion atlasRegion = _region as TextureAtlas.AtlasRegion;
offsetX = atlasRegion.OffsetX;
offsetY = atlasRegion.OriginalHeight - atlasRegion.PackedHeight - atlasRegion.OffsetY;
}
foreach (Glyph[] page in data.Glyphs)
{
if (page == null)
{
continue;
}
foreach (Glyph glyph in page)
{
if (glyph == null)
{
continue;
}
float x = glyph.SrcX;
float x2 = glyph.SrcX + glyph.Width;
float y = glyph.SrcY;
float y2 = glyph.SrcY + glyph.Height;
// Shift glyph for left and top edge stripped whitespace.
// Clip glyph for right and bottom edge stripped whitespace.
if (offsetX > 0)
{
x -= offsetX;
if (x < 0)
{
glyph.Width += (int)x;
glyph.XOffset -= (int)x;
x = 0;
}
x2 -= offsetX;
if (x2 > regionWidth)
{
glyph.Width -= (int)(x2 - regionWidth);
x2 = regionWidth;
}
}
if (offsetY > 0)
{
y -= offsetY;
if (y < 0)
{
glyph.Height += (int)y;
y = 0;
}
y2 -= offsetY;
if (y2 > regionHeight)
{
float amount = y2 - regionWidth;
glyph.Height -= (int)amount;
glyph.YOffset += (int)amount;
y2 = regionHeight;
}
}
glyph.U = u + x * invTexWidth;
glyph.U2 = u + x2 * invTexWidth;
if (data.IsFlipped)
{
glyph.V = v + y * invTexHeight;
glyph.V2 = v + y2 * invTexHeight;
}
else
{
glyph.V2 = v + y * invTexHeight;
glyph.V = v + y2 * invTexHeight;
}
}
}
}
