private static StaticSpriteFont FromBMFont(BitmapFont bmFont, Func <string, TextureWithOffset> textureGetter)
{
var result = new StaticSpriteFont(bmFont.LineHeight, bmFont.LineHeight);
var characters = bmFont.Characters.Values.OrderBy(c => c.Char);
foreach (var ch in characters)
{
var texture = textureGetter(bmFont.Pages[ch.TexturePage].FileName);
var bounds = new Rectangle(ch.X, ch.Y, ch.Width, ch.Height);
bounds.Offset(texture.Offset);
var glyph = new FontGlyph
{
Id = ch.Char,
Codepoint = ch.Char,
Bounds = bounds,
XOffset = ch.XOffset,
YOffset = ch.YOffset,
XAdvance = ch.XAdvance,
Texture = texture.Texture
};
result.Glyphs[glyph.Codepoint] = glyph;
}
foreach (var kern in bmFont.Kernings)
{
result.SetGlyphKernAdvance(kern.Key.FirstCharacter, kern.Key.SecondCharacter, kern.Value);
}
return(result);
}
internal void RenderGlyphOnAtlas(FontGlyph glyph)
{
var currentAtlas = CurrentAtlas;
int gx = 0, gy = 0;
var gw = glyph.Bounds.Width;
var gh = glyph.Bounds.Height;
if (!currentAtlas.AddRect(gw, gh, ref gx, ref gy))
{
CurrentAtlasFull?.Invoke(this, EventArgs.Empty);
// This code will force creation of new atlas
_currentAtlas = null;
currentAtlas = CurrentAtlas;
// Try to add again
if (!currentAtlas.AddRect(gw, gh, ref gx, ref gy))
{
throw new Exception(string.Format("Could not add rect to the newly created atlas. gw={0}, gh={1}", gw, gh));
}
}
glyph.Bounds.X = gx;
glyph.Bounds.Y = gy;
currentAtlas.RenderGlyph(_textureCreator, glyph, BlurAmount, StrokeAmount, PremultiplyAlpha);
glyph.Atlas = currentAtlas;
}
private void GetQuad(FontGlyph glyph, FontGlyph prevGlyph, float spacing, ref float x, ref float y, ref FontGlyphSquad q)
{
if (prevGlyph != null)
{
float adv = 0;
if (UseKernings && glyph.Font == prevGlyph.Font)
{
adv = prevGlyph.GetKerning(glyph) * glyph.Font.Scale;
}
x += (int)(adv + spacing + 0.5f);
}
float rx = x + glyph.XOffset;
float ry = y + glyph.YOffset;
q.X0 = rx;
q.Y0 = ry;
q.X1 = rx + glyph.Bounds.Width;
q.Y1 = ry + glyph.Bounds.Height;
q.S0 = glyph.Bounds.X * _itw;
q.T0 = glyph.Bounds.Y * _ith;
q.S1 = glyph.Bounds.Right * _itw;
q.T1 = glyph.Bounds.Bottom * _ith;
x += (int)(glyph.XAdvance / 10.0f + 0.5f);
}
private void GetQuad(FontGlyph glyph, FontGlyph prevGlyph, Vector2 scale, ref float x, ref float y, ref FontGlyphSquad q)
{
if (prevGlyph != null)
{
float adv = 0;
if (FontSystem.UseKernings && glyph.Font == prevGlyph.Font)
{
adv = prevGlyph.Font.GetGlyphKernAdvance(prevGlyph.Id, glyph.Id, glyph.Size);
}
x += (int)(adv + FontSystem.CharacterSpacing + 0.5f);
}
float rx = x + glyph.XOffset;
float ry = y + glyph.YOffset;
q.X0 = rx * scale.X;
q.Y0 = ry * scale.Y;
q.X1 = (rx + glyph.Bounds.Width) * scale.X;
q.Y1 = (ry + glyph.Bounds.Height) * scale.Y;
q.S0 = glyph.Bounds.X;
q.T0 = glyph.Bounds.Y;
q.S1 = glyph.Bounds.Right;
q.T1 = glyph.Bounds.Bottom;
x += glyph.XAdvance;
}
public float DrawText(IFontStashRenderer batch, float x, float y, StringBuilder str, Color[] glyphColors, Vector2 scale, float depth = 0.0f)
{
if (str == null || str.Length == 0)
{
return(0.0f);
}
float ascent, lineHeight;
PreDraw(str, out ascent, out lineHeight);
float originX = 0.0f;
float originY = 0.0f;
originY += ascent;
FontGlyph prevGlyph = null;
var pos = 0;
var q = new FontGlyphSquad();
for (int i = 0; i < str.Length; i += StringBuilderIsSurrogatePair(str, i) ? 2 : 1)
{
var codepoint = StringBuilderConvertToUtf32(str, i);
if (codepoint == '\n')
{
originX = 0.0f;
originY += lineHeight;
prevGlyph = null;
++pos;
continue;
}
var glyph = GetGlyph(codepoint, false);
if (glyph == null)
{
++pos;
continue;
}
GetQuad(glyph, prevGlyph, scale, ref originX, ref originY, ref q);
if (!glyph.IsEmpty)
{
var destRect = new Rectangle((int)(x + q.X0), (int)(y + q.Y0), (int)(q.X1 - q.X0), (int)(q.Y1 - q.Y0));
var sourceRect = new Rectangle((int)q.S0, (int)q.T0, (int)(q.S1 - q.S0), (int)(q.T1 - q.T0));
batch.Draw(glyph.Atlas.Texture,
destRect,
sourceRect,
glyphColors[pos],
depth);
}
prevGlyph = glyph;
++pos;
}
return(x);
}
/// <summary>
/// Draws a text
/// </summary>
/// <param name="renderer">A renderer.</param>
/// <param name="text">The text which will be drawn.</param>
/// <param name="position">The drawing location on screen.</param>
/// <param name="color">A color mask.</param>
/// <param name="rotation">A rotation of this text in radians.</param>
/// <param name="origin">Center of the rotation.</param>
/// <param name="scale">A scaling of this text.</param>
/// <param name="layerDepth">A depth of the layer of this string.</param>
public float DrawText(IFontStashRenderer renderer, StringBuilder text, Vector2 position, Color color,
Vector2 scale, float rotation, Vector2 origin, float layerDepth = 0.0f)
{
if (text == null || text.Length == 0)
{
return(0.0f);
}
float ascent, lineHeight;
PreDraw(text, out ascent, out lineHeight);
float originX = 0.0f;
float originY = 0.0f;
originY += ascent;
FontGlyph prevGlyph = null;
var q = new FontGlyphSquad();
for (int i = 0; i < text.Length; i += StringBuilderIsSurrogatePair(text, i) ? 2 : 1)
{
var codepoint = StringBuilderConvertToUtf32(text, i);
if (codepoint == '\n')
{
originX = 0.0f;
originY += lineHeight;
prevGlyph = null;
continue;
}
var glyph = GetGlyph(codepoint, false);
if (glyph == null)
{
continue;
}
GetQuad(glyph, prevGlyph, scale, ref originX, ref originY, ref q);
if (!glyph.IsEmpty)
{
var sourceRect = new Rectangle((int)q.S0, (int)q.T0, (int)(q.S1 - q.S0), (int)(q.T1 - q.T0));
renderer.Draw(glyph.Texture,
position,
sourceRect,
color,
rotation,
origin - q.Offset,
scale,
layerDepth);
}
prevGlyph = glyph;
}
return(position.X);
}
public List <Rectangle> GetGlyphRects(StringBuilder str, Vector2 position, Vector2 scale)
{
List <Rectangle> Rects = new List <Rectangle>();
if (str == null || str.Length == 0)
{
return(Rects);
}
int ascent, lineHeight;
PreDraw(str, out ascent, out lineHeight);
var q = new FontGlyphSquad();
var x = position.X;
var y = position.Y;
y += ascent;
float minx, maxx, miny, maxy;
minx = maxx = x;
miny = maxy = y;
float startx = x;
FontGlyph prevGlyph = null;
for (int i = 0; i < str.Length; i += StringBuilderIsSurrogatePair(str, i) ? 2 : 1)
{
var codepoint = StringBuilderConvertToUtf32(str, i);
if (codepoint == '\n')
{
x = startx;
y += lineHeight;
prevGlyph = null;
continue;
}
var glyph = GetGlyph(null, codepoint);
if (glyph == null)
{
continue;
}
GetQuad(glyph, prevGlyph, ref x, y, ref q);
var rect = ApplyScale(new Rectangle((int)q.X0, (int)q.Y0, (int)(q.X1 - q.X0), (int)(q.Y1 - q.Y0)), scale);
Rects.Add(rect);
prevGlyph = glyph;
}
return(Rects);
}
public int GetKerning(FontGlyph nextGlyph)
{
if (_kernings.TryGetValue(nextGlyph.Index, out int result))
{
return(result);
}
result = Font._font.stbtt_GetGlyphKernAdvance(Index, nextGlyph.Index);
_kernings[nextGlyph.Index] = result;
return(result);
}
public List <Rectangle> GetGlyphRects(string str, Vector2 position, Vector2 scale)
{
List <Rectangle> Rects = new List <Rectangle>();
if (string.IsNullOrEmpty(str))
{
return(Rects);
}
scale /= RenderFontSizeMultiplicator;
int ascent, lineHeight;
PreDraw(str, out ascent, out lineHeight);
var q = new FontGlyphSquad();
var x = position.X;
var y = position.Y;
y += ascent * scale.Y;
float startx = x;
FontGlyph prevGlyph = null;
for (int i = 0; i < str.Length; i += char.IsSurrogatePair(str, i) ? 2 : 1)
{
var codepoint = char.ConvertToUtf32(str, i);
if (codepoint == '\n')
{
x = startx;
y += lineHeight;
prevGlyph = null;
continue;
}
var glyph = GetGlyph(null, codepoint);
if (glyph == null)
{
continue;
}
GetQuad(glyph, prevGlyph, ref x, y, ref q);
var rect = ApplyScale(new Rectangle((int)q.X0, (int)q.Y0, (int)(q.X1 - q.X0), (int)(q.Y1 - q.Y0)), scale);
Rects.Add(rect);
prevGlyph = glyph;
}
return(Rects);
}
public List <Rectangle> GetGlyphRects(float x, float y, StringBuilder str)
{
List <Rectangle> Rects = new List <Rectangle>();
if (str == null || str.Length == 0)
{
return(Rects);
}
Dictionary <int, FontGlyph> glyphs;
float ascent, lineHeight;
PreDraw(str, out glyphs, out ascent, out lineHeight);
var q = new FontGlyphSquad();
y += ascent;
float minx, maxx, miny, maxy;
minx = maxx = x;
miny = maxy = y;
float startx = x;
FontGlyph prevGlyph = null;
for (int i = 0; i < str.Length; i += StringBuilderIsSurrogatePair(str, i) ? 2 : 1)
{
var codepoint = StringBuilderConvertToUtf32(str, i);
if (codepoint == '\n')
{
x = startx;
y += lineHeight;
prevGlyph = null;
continue;
}
var glyph = GetGlyph(null, glyphs, codepoint);
if (glyph == null)
{
continue;
}
GetQuad(glyph, prevGlyph, Spacing, ref x, ref y, ref q);
Rects.Add(new Rectangle((int)q.X0, (int)q.Y0, (int)(q.X1 - q.X0), (int)(q.Y1 - q.Y0)));
prevGlyph = glyph;
}
return(Rects);
}
public int GetKerning(FontGlyph nextGlyph)
{
int result;
if (_kernings.TryGetValue(nextGlyph.Index, out result))
{
return(result);
}
result = StbTrueTypeSharp.StbTrueType.stbtt_GetGlyphKernAdvance(Font._font, Index, nextGlyph.Index);
_kernings[nextGlyph.Index] = result;
return(result);
}
internal override void GetQuad(FontGlyph glyph, FontGlyph prevGlyph, ref float x, float y, ref FontGlyphSquad q)
{
if (prevGlyph != null)
{
if (UseKernings)
{
x += GetGlyphKernAdvance(prevGlyph.Codepoint, glyph.Codepoint);
}
x += CharacterSpacing;
}
base.GetQuad(glyph, prevGlyph, ref x, y, ref q);
}
public List <Rectangle> GetGlyphRects(float x, float y, string str, Vector2 scale)
{
List <Rectangle> Rects = new List <Rectangle>();
if (string.IsNullOrEmpty(str))
{
return(Rects);
}
float ascent, lineHeight;
PreDraw(str, out ascent, out lineHeight);
var q = new FontGlyphSquad();
y += ascent;
float startx = x;
FontGlyph prevGlyph = null;
for (int i = 0; i < str.Length; i += char.IsSurrogatePair(str, i) ? 2 : 1)
{
var codepoint = char.ConvertToUtf32(str, i);
if (codepoint == '\n')
{
x = startx;
y += lineHeight;
prevGlyph = null;
continue;
}
var glyph = GetGlyph(codepoint, true);
if (glyph == null)
{
continue;
}
GetQuad(glyph, prevGlyph, scale, ref x, ref y, ref q);
Rects.Add(new Rectangle((int)q.X0, (int)q.Y0, (int)(q.X1 - q.X0), (int)(q.Y1 - q.Y0)));
prevGlyph = glyph;
}
return(Rects);
}
internal virtual void GetQuad(FontGlyph glyph, FontGlyph prevGlyph, Vector2 scale, ref float x, ref float y, ref FontGlyphSquad q)
{
float rx = x + glyph.XOffset;
float ry = y + glyph.YOffset;
q.X0 = rx * scale.X;
q.Y0 = ry * scale.Y;
q.X1 = (rx + glyph.Bounds.Width) * scale.X;
q.Y1 = (ry + glyph.Bounds.Height) * scale.Y;
q.S0 = glyph.Bounds.X;
q.T0 = glyph.Bounds.Y;
q.S1 = glyph.Bounds.Right;
q.T1 = glyph.Bounds.Bottom;
q.Offset = new Vector2(rx, ry);
x += glyph.XAdvance;
}
private void GetQuad(Font font, int prevGlyphIndex, FontGlyph glyph, float scale,
float spacing, ref float x, ref float y, FontGlyphSquad *q)
{
if (prevGlyphIndex != -1)
{
float adv = 0;
if (UseKernings)
{
adv = font.GetKerning(prevGlyphIndex, glyph.Index) * scale;
}
x += (int)(adv + spacing + 0.5f);
}
float rx = 0;
float ry = 0;
if (_params_.IsAlignmentTopLeft)
{
rx = x + glyph.XOffset;
ry = y + glyph.YOffset;
q->X0 = rx;
q->Y0 = ry;
q->X1 = rx + (glyph.X1 - glyph.X0);
q->Y1 = ry + (glyph.Y1 - glyph.Y0);
q->S0 = glyph.X0 * _itw;
q->T0 = glyph.Y0 * _ith;
q->S1 = glyph.X1 * _itw;
q->T1 = glyph.Y1 * _ith;
}
else
{
rx = x + glyph.XOffset;
ry = y - glyph.YOffset;
q->X0 = rx;
q->Y0 = ry;
q->X1 = rx + (glyph.X1 - glyph.X0);
q->Y1 = ry - (glyph.Y1 + glyph.Y0);
q->S0 = glyph.X0 * _itw;
q->T0 = glyph.Y0 * _ith;
q->S1 = glyph.X1 * _itw;
q->T1 = glyph.Y1 * _ith;
}
x += (int)(glyph.XAdvance / 10.0f + 0.5f);
}
internal override void GetQuad(FontGlyph glyph, FontGlyph prevGlyph, Vector2 scale, ref float x, ref float y, ref FontGlyphSquad q)
{
if (prevGlyph != null)
{
float adv = 0;
var dynamicGlyph = (DynamicFontGlyph)glyph;
var dynamicPrevGlyph = (DynamicFontGlyph)prevGlyph;
if (FontSystem.UseKernings && dynamicGlyph.Font == dynamicPrevGlyph.Font)
{
adv = dynamicPrevGlyph.Font.GetGlyphKernAdvance(prevGlyph.Id, dynamicGlyph.Id, dynamicGlyph.Size);
}
x += (int)(adv + FontSystem.CharacterSpacing + 0.5f);
}
base.GetQuad(glyph, prevGlyph, scale, ref x, ref y, ref q);
}
private FontGlyph GetGlyphWithoutBitmap(Dictionary <int, FontGlyph> glyphs, int codepoint)
{
FontGlyph glyph = null;
if (glyphs.TryGetValue(codepoint, out glyph))
{
return(glyph);
}
Font font;
var g = GetCodepointIndex(codepoint, out font);
if (g == 0)
{
return(null);
}
int advance = 0, lsb = 0, x0 = 0, y0 = 0, x1 = 0, y1 = 0;
font.BuildGlyphBitmap(g, FontSize, font.Scale, ref advance, ref lsb, ref x0, ref y0, ref x1, ref y1);
var pad = FontGlyph.PadFromBlur(Blur);
var gw = x1 - x0 + pad * 2;
var gh = y1 - y0 + pad * 2;
glyph = new FontGlyph
{
Font = font,
Codepoint = codepoint,
Size = FontSize,
Blur = Blur,
Index = g,
Bounds = new Rectangle(0, 0, gw, gh),
XAdvance = (int)(font.Scale * advance * 10.0f),
XOffset = x0 - pad,
YOffset = y0 - pad
};
glyphs[codepoint] = glyph;
return(glyph);
}
private FontGlyph GetGlyphWithoutBitmap(int codepoint)
{
FontGlyph glyph = null;
if (_glyphs.TryGetValue(codepoint, out glyph))
{
return(glyph);
}
IFontSource font;
var g = FontSystem.GetCodepointIndex(codepoint, out font);
if (g == null)
{
return(null);
}
int advance = 0, x0 = 0, y0 = 0, x1 = 0, y1 = 0;
font.GetGlyphMetrics(g.Value, FontSize, out advance, out x0, out y0, out x1, out y1);
var pad = Math.Max(FontGlyph.PadFromBlur(FontSystem.BlurAmount), FontGlyph.PadFromBlur(FontSystem.StrokeAmount));
var gw = x1 - x0 + pad * 2;
var gh = y1 - y0 + pad * 2;
var offset = FontGlyph.PadFromBlur(FontSystem.BlurAmount);
glyph = new FontGlyph
{
Codepoint = codepoint,
Id = g.Value,
Size = FontSize,
Font = font,
Bounds = new Rectangle(0, 0, gw, gh),
XAdvance = advance,
XOffset = x0 - offset,
YOffset = y0 - offset
};
_glyphs[codepoint] = glyph;
return(glyph);
}
FontGlyph GetGlyphWithoutBitmap(GlyphCollection collection, int codepoint)
{
FontGlyph glyph = null;
if (collection.Glyphs.TryGetValue(codepoint, out glyph))
{
return(glyph);
}
Font font;
var g = GetCodepointIndex(codepoint, out font);
if (g == 0)
{
return(null);
}
int advance = 0, lsb = 0, x0 = 0, y0 = 0, x1 = 0, y1 = 0;
font.BuildGlyphBitmap(g, font.Scale, ref advance, ref lsb, ref x0, ref y0, ref x1, ref y1);
var pad = Math.Max(FontGlyph.PadFromBlur(BlurAmount), FontGlyph.PadFromBlur(StrokeAmount));
var gw = x1 - x0 + pad * 2;
var gh = y1 - y0 + pad * 2;
var offset = FontGlyph.PadFromBlur(BlurAmount);
glyph = new FontGlyph
{
Font = font,
Codepoint = codepoint,
Size = FontSize,
Index = g,
Bounds = new Rectangle(0, 0, gw, gh),
XAdvance = (int)(font.Scale * advance * 10.0f),
XOffset = x0 - offset,
YOffset = y0 - offset
};
collection.Glyphs[codepoint] = glyph;
return(glyph);
}
private void GetQuad(Font font, int prevGlyphIndex, FontGlyph glyph, float scale,
float spacing, ref float x, ref float y, FontGlyphSquad *q)
{
if (prevGlyphIndex != -1)
{
var adv = font._font.fons__tt_getGlyphKernAdvance(prevGlyphIndex, glyph.Index) * scale;
x += (int)(adv + spacing + 0.5f);
}
float rx = 0;
float ry = 0;
if ((_params_.Flags & FONS_ZERO_TOPLEFT) != 0)
{
rx = x + glyph.XOffset;
ry = y + glyph.YOffset;
q->X0 = rx;
q->Y0 = ry;
q->X1 = rx + (glyph.X1 - glyph.X0);
q->Y1 = ry + (glyph.Y1 - glyph.Y0);
q->S0 = glyph.X0 * _itw;
q->T0 = glyph.Y0 * _ith;
q->S1 = glyph.X1 * _itw;
q->T1 = glyph.Y1 * _ith;
}
else
{
rx = x + glyph.XOffset;
ry = y - glyph.YOffset;
q->X0 = rx;
q->Y0 = ry;
q->X1 = rx + (glyph.X1 - glyph.X0);
q->Y1 = ry - (glyph.Y1 + glyph.Y0);
q->S0 = glyph.X0 * _itw;
q->T0 = glyph.Y0 * _ith;
q->S1 = glyph.X1 * _itw;
q->T1 = glyph.Y1 * _ith;
}
x += (int)(glyph.XAdvance / 10.0f + 0.5f);
}
public void RenderGlyph(GraphicsDevice device, FontGlyph glyph)
{
var pad = glyph.Pad;
// Render glyph to byte buffer
var buffer = new byte[glyph.Bounds.Width * glyph.Bounds.Height];
Array.Clear(buffer, 0, buffer.Length);
var g = glyph.Index;
FakePtr <byte> dst = new FakePtr <byte>(buffer, pad + pad * glyph.Bounds.Width);
glyph.Font.RenderGlyphBitmap(dst,
glyph.Bounds.Width - pad * 2,
glyph.Bounds.Height - pad * 2,
glyph.Bounds.Width,
g);
if (glyph.Blur > 0)
{
Blur(buffer, glyph.Bounds.Width, glyph.Bounds.Height, glyph.Bounds.Width, glyph.Blur);
}
// Byte buffer to RGBA
var colorBuffer = new Color[glyph.Bounds.Width * glyph.Bounds.Height];
for (var i = 0; i < colorBuffer.Length; ++i)
{
var c = buffer[i];
colorBuffer[i].R = colorBuffer[i].G = colorBuffer[i].B = 255;
colorBuffer[i].A = c;
}
// Write to texture
if (Texture == null)
{
Texture = new Texture2D(device, Width, Height);
}
Texture.SetData(0, glyph.Bounds, colorBuffer, 0, colorBuffer.Length);
}
public void RenderGlyph(Font renderFont, FontGlyph glyph, int gw, int gh, float scale)
{
var pad = glyph.Pad;
var g = glyph.Index;
fixed(byte *dst = &_texData[glyph.X0 + pad + (glyph.Y0 + pad) * Width])
{
renderFont._font.fons__tt_renderGlyphBitmap(dst, gw - pad * 2, gh - pad * 2, Width, scale,
scale, g);
}
fixed(byte *dst = &_texData[glyph.X0 + glyph.Y0 *Width])
{
for (var y = 0; y < gh; y++)
{
dst[y * Width] = 0;
dst[gw - 1 + y * Width] = 0;
}
for (var x = 0; x < gw; x++)
{
dst[x] = 0;
dst[x + (gh - 1) * Width] = 0;
}
}
if (glyph.Blur > 0)
{
fixed(byte *bdst = &_texData[glyph.X0 + glyph.Y0 *Width])
{
Blur(bdst, gw, gh, Width, glyph.Blur);
}
}
_dirtyRect[0] = Math.Min(_dirtyRect[0], glyph.X0);
_dirtyRect[1] = Math.Min(_dirtyRect[1], glyph.Y0);
_dirtyRect[2] = Math.Max(_dirtyRect[2], glyph.X1);
_dirtyRect[3] = Math.Max(_dirtyRect[3], glyph.Y1);
}
public void RenderGlyph(GraphicsDevice device, FontGlyph glyph)
{
if (glyph.Bounds.Width == 0 || glyph.Bounds.Height == 0)
{
return;
}
// Render glyph to byte buffer
var buffer = new byte[glyph.Bounds.Width * glyph.Bounds.Height];
Array.Clear(buffer, 0, buffer.Length);
var g = glyph.Index;
glyph.Font.RenderGlyphBitmap(buffer,
glyph.Bounds.Width,
glyph.Bounds.Height,
glyph.Bounds.Width,
g);
// Byte buffer to RGBA
var colorBuffer = new Color[glyph.Bounds.Width * glyph.Bounds.Height];
for (var i = 0; i < colorBuffer.Length; ++i)
{
var c = buffer[i];
colorBuffer[i].R = colorBuffer[i].G = colorBuffer[i].B = colorBuffer[i].A = c;
}
// Write to texture
if (Texture == null)
{
Texture = new Texture2D(device, Width, Height);
}
Texture.SetData(0, glyph.Bounds, colorBuffer, 0, colorBuffer.Length);
}
internal override void GetQuad(FontGlyph glyph, FontGlyph prevGlyph, ref float x, float y, ref FontGlyphSquad q)
{
if (prevGlyph != null)
{
var adv = 0;
var dynamicGlyph = (DynamicFontGlyph)glyph;
var dynamicPrevGlyph = (DynamicFontGlyph)prevGlyph;
if (FontSystem.UseKernings && dynamicGlyph.FontSourceIndex == dynamicPrevGlyph.FontSourceIndex)
{
var key = GetKerningsKey(prevGlyph.Id, dynamicGlyph.Id);
if (!Kernings.TryGetValue(key, out adv))
{
var fontSource = FontSystem.FontSources[dynamicGlyph.FontSourceIndex];
adv = fontSource.GetGlyphKernAdvance(prevGlyph.Id, dynamicGlyph.Id, dynamicGlyph.Size);
Kernings[key] = adv;
}
}
x += adv + FontSystem.CharacterSpacing;
}
base.GetQuad(glyph, prevGlyph, ref x, y, ref q);
}
private FontGlyph GetGlyph(Font font, int codepoint, int isize, int iblur, bool isBitmapRequired)
{
var g = 0;
var advance = 0;
var lsb = 0;
var x0 = 0;
var y0 = 0;
var x1 = 0;
var y1 = 0;
var gw = 0;
var gh = 0;
var gx = 0;
var gy = 0;
float scale = 0;
FontGlyph glyph = null;
var size = isize / 10.0f;
if (isize < 2)
{
return(null);
}
if (iblur > 20)
{
iblur = 20;
}
if (font.TryGetGlyph(codepoint, isize, iblur, out glyph))
{
if (!isBitmapRequired || glyph.X0 >= 0 && glyph.Y0 >= 0)
{
return(glyph);
}
}
g = font._font.fons__tt_getGlyphIndex(codepoint);
if (g == 0)
{
throw new Exception(string.Format("Could not find glyph for codepoint {0}", codepoint));
}
scale = font._font.fons__tt_getPixelHeightScale(size);
font._font.fons__tt_buildGlyphBitmap(g, size, scale, &advance, &lsb, &x0, &y0, &x1, &y1);
var pad = FontGlyph.PadFromBlur(iblur);
gw = x1 - x0 + pad * 2;
gh = y1 - y0 + pad * 2;
var currentAtlas = CurrentAtlas;
if (isBitmapRequired)
{
if (!currentAtlas.AddRect(gw, gh, ref gx, ref gy))
{
var ev = CurrentAtlasFull;
if (ev != null)
{
ev(this, EventArgs.Empty);
}
// This code will force creation of new atlas
_currentAtlas = null;
currentAtlas = CurrentAtlas;
// Try to add again
if (!currentAtlas.AddRect(gw, gh, ref gx, ref gy))
{
throw new Exception(string.Format("Could not add rect to the newly created atlas. gw={0}, gh={1}", gw, gh));
}
}
}
else
{
gx = -1;
gy = -1;
}
if (glyph == null)
{
glyph = new FontGlyph
{
Codepoint = codepoint,
Size = isize,
Blur = iblur
};
font.SetGlyph(codepoint, isize, iblur, glyph);
}
glyph.Index = g;
glyph.AtlasIndex = currentAtlas.Index;
glyph.X0 = gx;
glyph.Y0 = gy;
glyph.X1 = glyph.X0 + gw;
glyph.Y1 = glyph.Y0 + gh;
glyph.XAdvance = (int)(scale * advance * 10.0f);
glyph.XOffset = x0 - pad;
glyph.YOffset = y0 - pad;
if (!isBitmapRequired)
{
return(glyph);
}
currentAtlas.RenderGlyph(font, glyph, gw, gh, scale);
return(glyph);
}
public float TextBounds(float x, float y, StringSegment str, ref Bounds bounds)
{
var q = new FontGlyphSquad();
FontGlyph glyph = null;
var prevGlyphIndex = -1;
var isize = (int)(Size * 10.0f);
var iblur = (int)BlurValue;
float scale = 0;
Font font;
float startx = 0;
float advance = 0;
float minx = 0;
float miny = 0;
float maxx = 0;
float maxy = 0;
if (FontId < 0 || FontId >= _fonts.Count)
{
return(0);
}
font = _fonts[FontId];
if (font.Data == null)
{
return(0);
}
scale = font._font.fons__tt_getPixelHeightScale(isize / 10.0f);
y += GetVertAlign(font, Alignment, isize);
minx = maxx = x;
miny = maxy = y;
startx = x;
for (int i = 0; i < str.Length; i += char.IsSurrogatePair(str.String, i + str.Location) ? 2 : 1)
{
var codepoint = char.ConvertToUtf32(str.String, i + str.Location);
glyph = GetGlyph(font, codepoint, isize, iblur, false);
if (glyph != null)
{
GetQuad(font, prevGlyphIndex, glyph, scale, Spacing, ref x, ref y, &q);
if (q.X0 < minx)
{
minx = q.X0;
}
if (x > maxx)
{
maxx = x;
}
if (_params_.IsAlignmentTopLeft)
{
if (q.Y0 < miny)
{
miny = q.Y0;
}
if (q.Y1 > maxy)
{
maxy = q.Y1;
}
}
else
{
if (q.Y1 < miny)
{
miny = q.Y1;
}
if (q.Y0 > maxy)
{
maxy = q.Y0;
}
}
}
prevGlyphIndex = glyph != null ? glyph.Index : -1;
}
advance = x - startx;
if ((Alignment & Alignment.Left) != 0)
{
}
else if ((Alignment & Alignment.Right) != 0)
{
minx -= advance;
maxx -= advance;
}
else if ((Alignment & Alignment.Center) != 0)
{
minx -= advance * 0.5f;
maxx -= advance * 0.5f;
}
bounds.X = minx;
bounds.Y = miny;
bounds.X2 = maxx;
bounds.Y2 = maxy;
return(advance);
}
public float DrawText(SpriteBatch batch, float x, float y, StringSegment str, float depth)
{
if (str.IsNullOrEmpty)
{
return(0.0f);
}
FontGlyph glyph = null;
var q = new FontGlyphSquad();
var prevGlyphIndex = -1;
var isize = (int)(Size * 10.0f);
var iblur = (int)BlurValue;
float scale = 0;
Font font;
float width = 0;
if (FontId < 0 || FontId >= _fonts.Count)
{
return(x);
}
font = _fonts[FontId];
if (font.Data == null)
{
return(x);
}
scale = font._font.fons__tt_getPixelHeightScale(isize / 10.0f);
if ((Alignment & Alignment.Left) != 0)
{
}
else if ((Alignment & Alignment.Right) != 0)
{
var bounds = new Bounds();
width = TextBounds(x, y, str, ref bounds);
x -= width;
}
else if ((Alignment & Alignment.Center) != 0)
{
var bounds = new Bounds();
width = TextBounds(x, y, str, ref bounds);
x -= width * 0.5f;
}
float originX = 0.0f;
float originY = 0.0f;
originY += GetVertAlign(font, Alignment, isize);
for (int i = 0; i < str.Length; i += char.IsSurrogatePair(str.String, i + str.Location) ? 2 : 1)
{
var codepoint = char.ConvertToUtf32(str.String, i + str.Location);
glyph = GetGlyph(font, codepoint, isize, iblur, true);
if (glyph != null)
{
GetQuad(font, prevGlyphIndex, glyph, scale, Spacing, ref originX, ref originY, &q);
q.X0 = (int)(q.X0 * Scale.X);
q.X1 = (int)(q.X1 * Scale.X);
q.Y0 = (int)(q.Y0 * Scale.Y);
q.Y1 = (int)(q.Y1 * Scale.Y);
var renderItem = new RenderItem
{
Atlas = _atlases[glyph.AtlasIndex],
_verts = new Rectangle((int)(x + q.X0),
(int)(y + q.Y0),
(int)(q.X1 - q.X0),
(int)(q.Y1 - q.Y0)),
_textureCoords = new Rectangle((int)(q.S0 * _params_.Width),
(int)(q.T0 * _params_.Height),
(int)((q.S1 - q.S0) * _params_.Width),
(int)((q.T1 - q.T0) * _params_.Height)),
_colors = Color
};
_renderItems.Add(renderItem);
}
prevGlyphIndex = glyph != null ? glyph.Index : -1;
}
Flush(batch, depth);
return(x);
}
public float TextBounds(float x, float y, StringBuilder str, ref Bounds bounds)
{
if (str == null || str.Length == 0)
{
return(0.0f);
}
Dictionary <int, FontGlyph> glyphs;
float ascent, lineHeight;
PreDraw(str, out glyphs, out ascent, out lineHeight);
var q = new FontGlyphSquad();
y += ascent;
float minx, maxx, miny, maxy;
minx = maxx = x;
miny = maxy = y;
float startx = x;
FontGlyph prevGlyph = null;
for (int i = 0; i < str.Length; i += StringBuilderIsSurrogatePair(str, i) ? 2 : 1)
{
var codepoint = StringBuilderConvertToUtf32(str, i);
if (codepoint == '\n')
{
x = startx;
y += lineHeight;
prevGlyph = null;
continue;
}
var glyph = GetGlyph(null, glyphs, codepoint);
if (glyph == null)
{
continue;
}
GetQuad(glyph, prevGlyph, Spacing, ref x, ref y, ref q);
if (q.X0 < minx)
{
minx = q.X0;
}
if (x > maxx)
{
maxx = x;
}
if (q.Y0 < miny)
{
miny = q.Y0;
}
if (q.Y1 > maxy)
{
maxy = q.Y1;
}
prevGlyph = glyph;
}
float advance = x - startx;
bounds.X = minx;
bounds.Y = miny;
bounds.X2 = maxx;
bounds.Y2 = maxy;
return(advance);
}
public float DrawText(SpriteBatch batch, float x, float y, StringBuilder str, Color[] glyphColors, float depth)
{
if (str == null || str.Length == 0)
{
return(0.0f);
}
Dictionary <int, FontGlyph> glyphs;
float ascent, lineHeight;
PreDraw(str, out glyphs, out ascent, out lineHeight);
float originX = 0.0f;
float originY = 0.0f;
originY += ascent;
FontGlyph prevGlyph = null;
var pos = 0;
var q = new FontGlyphSquad();
for (int i = 0; i < str.Length; i += StringBuilderIsSurrogatePair(str, i) ? 2 : 1)
{
var codepoint = StringBuilderConvertToUtf32(str, i);
if (codepoint == '\n')
{
originX = 0.0f;
originY += lineHeight;
prevGlyph = null;
++pos;
continue;
}
var glyph = GetGlyph(batch.GraphicsDevice, glyphs, codepoint);
if (glyph == null)
{
++pos;
continue;
}
GetQuad(glyph, prevGlyph, Spacing, ref originX, ref originY, ref q);
if (!glyph.IsEmpty)
{
q.X0 = (int)(q.X0 * Scale.X);
q.X1 = (int)(q.X1 * Scale.X);
q.Y0 = (int)(q.Y0 * Scale.Y);
q.Y1 = (int)(q.Y1 * Scale.Y);
var destRect = new Rectangle((int)(x + q.X0),
(int)(y + q.Y0),
(int)(q.X1 - q.X0),
(int)(q.Y1 - q.Y0));
var sourceRect = new Rectangle((int)(q.S0 * _size.X),
(int)(q.T0 * _size.Y),
(int)((q.S1 - q.S0) * _size.X),
(int)((q.T1 - q.T0) * _size.Y));
batch.Draw(glyph.Atlas.Texture,
destRect,
sourceRect,
glyphColors[pos],
0f,
Vector2.Zero,
SpriteEffects.None,
depth);
}
prevGlyph = glyph;
++pos;
}
return(x);
}
public float TextBounds(float x, float y, string str, ref Bounds bounds)
{
if (string.IsNullOrEmpty(str))
{
return(0.0f);
}
var glyphs = GetGlyphsCollection(FontSize);
// Determine ascent and lineHeight from first character
float ascent = 0, lineHeight = 0;
for (int i = 0; i < str.Length; i += char.IsSurrogatePair(str, i) ? 2 : 1)
{
var codepoint = char.ConvertToUtf32(str, i);
var glyph = GetGlyph(null, glyphs, codepoint);
if (glyph == null)
{
continue;
}
ascent = glyph.Font.Ascent;
lineHeight = glyph.Font.LineHeight;
break;
}
var q = new FontGlyphSquad();
float startx = 0;
float advance = 0;
y += ascent;
float minx, maxx, miny, maxy;
minx = maxx = x;
miny = maxy = y;
startx = x;
FontGlyph prevGlyph = null;
for (int i = 0; i < str.Length; i += char.IsSurrogatePair(str, i) ? 2 : 1)
{
var codepoint = char.ConvertToUtf32(str, i);
if (codepoint == '\n')
{
x = startx;
y += lineHeight;
prevGlyph = null;
continue;
}
var glyph = GetGlyph(null, glyphs, codepoint);
if (glyph == null)
{
continue;
}
GetQuad(glyph, prevGlyph, Spacing, ref x, ref y, ref q);
if (q.X0 < minx)
{
minx = q.X0;
}
if (x > maxx)
{
maxx = x;
}
if (q.Y0 < miny)
{
miny = q.Y0;
}
if (q.Y1 > maxy)
{
maxy = q.Y1;
}
prevGlyph = glyph;
}
advance = x - startx;
bounds.X = minx;
bounds.Y = miny;
bounds.X2 = maxx;
bounds.Y2 = maxy;
return(advance);
}
