public float DrawText(SpriteBatch batch, float x, float y, string str, float depth, Color color, Vector2 origin, float scaleX, float scaleY, SpriteEffects spriteEffects)
{
if (string.IsNullOrEmpty(str))
{
return(0.0f);
}
var collection = GetGlyphsCollection(FontSize);
// Determine ascent and lineHeight from first character
float ascent = 0, lineHeight = 0;
for (var i = 0; i < str.Length; i += char.IsSurrogatePair(str, i) ? 2 : 1)
{
var codepoint = char.ConvertToUtf32(str, i);
var glyph = GetGlyph(batch.GraphicsDevice, collection, codepoint);
if (glyph == null)
{
continue;
}
ascent = glyph.Font.Ascent;
lineHeight = glyph.Font.LineHeight;
break;
}
var q = new FontGlyphSquad();
var originX = -origin.X;
var originY = -origin.Y;
originY += ascent;
FontGlyph prevGlyph = null;
for (var i = 0; i < str.Length; i += char.IsSurrogatePair(str, i) ? 2 : 1)
{
var codepoint = char.ConvertToUtf32(str, i);
if (codepoint == '\n')
{
originX = 0.0f;
originY += lineHeight;
prevGlyph = null;
continue;
}
var glyph = GetGlyph(batch.GraphicsDevice, collection, codepoint);
if (glyph == null)
{
continue;
}
GetQuad(glyph, prevGlyph, collection, Spacing, ref originX, ref originY, &q);
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,
new Vector2(x + q.X0 * scaleX, y + q.Y0 * scaleY),
sourceRect,
color,
0f,
Vector2.Zero,
new Vector2(scaleX, scaleY),
spriteEffects,
depth);
prevGlyph = glyph;
}
return(x);
}
public float TextBounds(float x, float y, StringBuilder str, ref Bounds bounds)
{
if (str == null || str.Length <= 0)
{
return(0.0f);
}
var collection = GetGlyphsCollection(FontSize);
// Determine ascent and lineHeight from first character
float ascent = 0, lineHeight = 0;
for (var i = 0; i < str.Length; i += StringBuilderIsSurrogatePair(str, i) ? 2 : 1)
{
var codepoint = StringBuilderConvertToUtf32(str, i);
var glyph = GetGlyph(null, collection, 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 (var 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, collection, codepoint);
if (glyph == null)
{
continue;
}
GetQuad(glyph, prevGlyph, collection, Spacing, ref x, ref y, &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);
}
public float DrawText(SpriteBatch batch, float x, float y, StringBuilder str, float depth)
{
if (str.Length == 0)
{
return(0.0f);
}
var collection = GetGlyphsCollection(FontSize);
// Determine ascent and lineHeight from first character
float ascent = 0, lineHeight = 0;
for (var i = 0; i < str.Length; i += StringBuilderIsSurrogatePair(str, i) ? 2 : 1)
{
var codepoint = StringBuilderConvertToUtf32(str, i);
var glyph = GetGlyph(batch.GraphicsDevice, collection, codepoint);
if (glyph == null)
{
continue;
}
ascent = glyph.Font.Ascent;
lineHeight = glyph.Font.LineHeight;
break;
}
var q = new FontGlyphSquad();
var originX = 0.0f;
var originY = 0.0f;
originY += ascent;
FontGlyph prevGlyph = null;
for (var 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;
continue;
}
var glyph = GetGlyph(batch.GraphicsDevice, collection, codepoint);
if (glyph == null)
{
continue;
}
GetQuad(glyph, prevGlyph, collection, 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 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,
Color,
0f,
Vector2.Zero,
SpriteEffects.None,
depth);
prevGlyph = glyph;
}
return(x);
}
