public static void DrawString(this SpriteBatch spriteBatch, BitmapFont bitmapFont, string text, Vector2 position, Color color)
{
var dx = position.X;
var dy = position.Y;
foreach (char character in text)
{
var fontRegion = bitmapFont.GetCharacterRegion(character);
if (fontRegion != null)
{
var fontChar = fontRegion.FontCharacter;
var charPosition = new Vector2(dx + fontChar.XOffset, dy + fontChar.YOffset);
spriteBatch.Draw(fontRegion.TextureRegion, charPosition, color);
dx += fontChar.XAdvance;
}
if (character == '\n')
{
dy += bitmapFont.LineHeight;
dx = position.X;
}
}
}
public static void DrawString(this SpriteBatch spriteBatch, BitmapFont bitmapFont, string text, Vector2 position, Color color, int wrapWidth)
{
var dx = position.X;
var dy = position.Y;
var sentences = text.Split(new[] { '\n' }, StringSplitOptions.None);
foreach (var sentence in sentences)
{
var words = sentence.Split(new[] { ' ' }, StringSplitOptions.None);
for (var i = 0; i < words.Length; i++)
{
var word = words[i];
var size = bitmapFont.GetStringRectangle(word, Vector2.Zero);
if (i != 0 && dx + size.Width >= wrapWidth)
{
dy += bitmapFont.LineHeight;
dx = position.X;
}
DrawString(spriteBatch, bitmapFont, word, new Vector2(dx, dy), color);
dx += size.Width + bitmapFont.GetCharacterRegion(' ').XAdvance;
}
dx = position.X;
dy += bitmapFont.LineHeight;
}
}
public static void DrawString(this SpriteBatch spriteBatch, BitmapFont bitmapFont, string text, Vector2 position, Color color, int wrapWidth)
{
var dx = position.X;
var dy = position.Y;
var sentences = text.Split(new[] {'\n'}, StringSplitOptions.None);
foreach (var sentence in sentences)
{
var words = sentence.Split(new[] { ' ' }, StringSplitOptions.None);
for (var i = 0; i < words.Length; i++)
{
var word = words[i];
var size = bitmapFont.GetStringRectangle(word, Vector2.Zero);
if (i != 0 && dx + size.Width >= wrapWidth)
{
dy += bitmapFont.LineHeight;
dx = position.X;
}
DrawString(spriteBatch, bitmapFont, word, new Vector2(dx, dy), color);
dx += size.Width + bitmapFont.GetCharacterRegion(' ').FontCharacter.XAdvance;
}
dx = position.X;
dy += bitmapFont.LineHeight;
}
}
public static void DrawString(this SpriteBatch spriteBatch, BitmapFont bitmapFont, string text, Vector2 position, Color color)
{
var dx = position.X;
var dy = position.Y;
foreach (char character in text)
{
var fontRegion = bitmapFont.GetCharacterRegion(character);
if (fontRegion != null)
{
var fontChar = fontRegion.FontCharacter;
var charPosition = new Vector2(dx + fontChar.XOffset, dy + fontChar.YOffset);
spriteBatch.Draw(fontRegion.TextureRegion, charPosition, color);
dx += fontChar.XAdvance;
}
if (character == '\n')
{
dy += bitmapFont.LineHeight;
dx = position.X;
}
}
}
public bool MoveNext()
{
if (++_index >= _text.Length)
{
return(false);
}
var character = GetUnicodeCodePoint(_text, ref _index);
_currentGlyph = new BitmapFontGlyph
{
Character = character,
FontRegion = _font.GetCharacterRegion(character),
Position = _position + _positionDelta
};
if (_currentGlyph.FontRegion != null)
{
_currentGlyph.Position.X += _currentGlyph.FontRegion.XOffset;
_currentGlyph.Position.Y += _currentGlyph.FontRegion.YOffset;
_positionDelta.X += _currentGlyph.FontRegion.XAdvance + _font.LetterSpacing;
}
if (UseKernings && _previousGlyph.HasValue && _previousGlyph.Value.FontRegion != null)
{
int amount;
if (_previousGlyph.Value.FontRegion.Kernings.TryGetValue(character, out amount))
{
_positionDelta.X += amount;
_currentGlyph.Position.X += amount;
}
}
_previousGlyph = _currentGlyph;
if (character != '\n')
{
return(true);
}
_positionDelta.Y += _font.LineHeight;
_positionDelta.X = _position.X;
_previousGlyph = null;
return(true);
}
public bool MoveNext()
{
_index++;
if (_index >= _iterator.Length)
{
return(false);
}
int character = _iterator.GetCharacter32(ref _index);
BitmapFontRegion region = _font.GetCharacterRegion(character);
Vector2 newPos = _position + _positionDelta;
if (region != null)
{
newPos.X += region.XOffset;
newPos.Y += region.YOffset;
_positionDelta.X += region.XAdvance + _font.LetterSpacing;
}
if (_hasPreviousGlyph)
{
if (BitmapFont.UseKernings && _previousGlyph.FontRegion != null)
{
if (_previousGlyph.FontRegion.Kernings.TryGetValue(character, out int amount))
{
_positionDelta.X += amount;
}
}
}
CurrentGlyph = new Glyph(character, newPos, region);
_previousGlyph = CurrentGlyph;
_hasPreviousGlyph = true;
if (character == '\n')
{
_positionDelta.Y += _font.LineHeight;
_positionDelta.X = 0;
_hasPreviousGlyph = false;
}
return(true);
}
/// <summary>
/// Adds a string to a batch of sprites for rendering using the specified font, text, position, color, rotation,
/// origin, scale, effects and layer.
/// </summary>
/// <param name="spriteBatch"></param>
/// <param name="bitmapFont">A font for displaying text.</param>
/// <param name="text">The text message to display.</param>
/// <param name="position">The location (in screen coordinates) to draw the text.</param>
/// <param name="color">
/// The <see cref="Color" /> to tint a sprite. Use <see cref="Color.White" /> for full color with no
/// tinting.
/// </param>
/// <param name="rotation">Specifies the angle (in radians) to rotate the text about its origin.</param>
/// <param name="origin">The origin for each letter; the default is (0,0) which represents the upper-left corner.</param>
/// <param name="scale">Scale factor.</param>
/// <param name="effect">Effects to apply.</param>
/// <param name="layerDepth">
/// The depth of a layer. By default, 0 represents the front layer and 1 represents a back layer.
/// Use SpriteSortMode if you want sprites to be sorted during drawing.
/// </param>
public static void DrawString(this SpriteBatch spriteBatch, BitmapFont bitmapFont, string text, Vector2 position,
Color color, float rotation, Vector2 origin, Vector2 scale, SpriteEffects effect, float layerDepth)
{
if (text == null)
{
throw new ArgumentNullException(nameof(text));
}
if (effect != SpriteEffects.None)
{
throw new NotSupportedException($"{effect} is not currently supported for {nameof(BitmapFont)}");
}
var dx = position.X;
var dy = position.Y;
for (var i = 0; i < text.Length; i++)
{
var character = BitmapFont.GetUnicodeCodePoint(text, i);
var fontRegion = bitmapFont.GetCharacterRegion(character);
if (fontRegion != null)
{
var characterPosition = new Vector2(dx + fontRegion.XOffset, dy + fontRegion.YOffset);
var characterOrigin = position - characterPosition + origin;
spriteBatch.Draw(fontRegion.TextureRegion, position, color, rotation, characterOrigin, scale, effect, layerDepth);
dx += fontRegion.XAdvance + bitmapFont.LetterSpacing;
}
if (character == '\n')
{
dy += bitmapFont.LineHeight;
dx = position.X;
}
}
}
