public Vector2 MeasureString(string text)
{
Vector2 v = Vector2.Zero;
float xoffset=0;
float yoffset=0;
foreach (char c in text)
{
if (c == '\n')
{
yoffset += LineSpacing;
xoffset = 0;
continue;
}
if (characterData.ContainsKey(c) == false) continue;
GlyphData g = characterData[c];
xoffset += g.Kerning.Y + g.Kerning.Z + Spacing;
float newHeight = g.Glyph.Height + g.Cropping.Top + yoffset;
if ( newHeight > v.Y)
{
v.Y = newHeight;
}
if (xoffset > v.X) v.X = xoffset;
}
return v;
}
public Vector2 MeasureString(StringBuilder text)
{
Vector2 v = Vector2.Zero;
float xoffset = 0;
float yoffset = 0;
float newHeight = 0;
for (int i = 0; i < text.Length; i++)
{
char c = text[i];
if (c == '\n')
{
yoffset += LineSpacing;
xoffset = 0;
continue;
}
if (characterData.ContainsKey(c) == false)
{
continue;
}
GlyphData g = characterData[c];
xoffset += g.Kerning.Y + g.Kerning.Z + Spacing;
newHeight = g.Cropping.Height + yoffset;
if (newHeight > v.Y)
{
v.Y = newHeight;
}
if (xoffset > v.X)
{
v.X = xoffset;
}
}
return(v);
}
public SpriteFont(Texture2D texture, List<Rectangle>glyphs, List<Rectangle>cropping, List<char>charMap, int lineSpacing, float spacing, List<Vector3>kerning, char? defaultCharacter)
{
_texture = texture;
LineSpacing = lineSpacing;
Spacing = spacing;
_defaultCharacter = defaultCharacter;
for (int i = 0; i < charMap.Count; i++)
{
GlyphData g = new GlyphData();
g.Glyph = glyphs[i];
g.Cropping = cropping[i];
g.Kerning = kerning[i];
g.CharacterIndex = charMap[i];
characterData.Add(g.CharacterIndex, g);
}
}
public void DrawString(SpriteFont spriteFont, string text, Vector2 position, Color color)
{
if (spriteFont == null)
{
throw new ArgumentException("spriteFont");
}
Vector2 p = position;
foreach (char c in text)
{
if (c == '\n')
{
p.Y += spriteFont.LineSpacing;
p.X = position.X;
continue;
}
if (spriteFont.characterData.ContainsKey(c) == false)
{
continue;
}
GlyphData g = spriteFont.characterData[c];
SpriteBatchItem item = _batcher.CreateBatchItem();
item.Depth = 0.0f;
item.TextureID = (int)spriteFont._texture.ID;
texCoordTL.X = spriteFont._texture.Image.GetTextureCoordX(g.Glyph.X);
texCoordTL.Y = spriteFont._texture.Image.GetTextureCoordY(g.Glyph.Y);
texCoordBR.X = spriteFont._texture.Image.GetTextureCoordX(g.Glyph.X + g.Glyph.Width);
texCoordBR.Y = spriteFont._texture.Image.GetTextureCoordY(g.Glyph.Y + g.Glyph.Height);
item.Set
(
p.X,
p.Y + g.Cropping.Y,
g.Glyph.Width,
g.Glyph.Height,
color,
texCoordTL,
texCoordBR
);
p.X += (g.Kerning.Y + g.Kerning.Z + spriteFont.Spacing);
}
}
internal void InternalDrawString(SpriteBatch sb, string text, Vector2 position,
Color color, float rotation, Vector2 origin, Vector2 scale,
SpriteEffects effects, float layerDepth)
{
if (effects != SpriteEffects.None)
{
throw new NotImplementedException("Flipped text is not implemented");
}
Vector2 offset = origin / internalScale;
bool lineStart = true;
foreach (char c in text)
{
if (c == '\r')
{
continue;
}
if (c == '\n')
{
offset.Y -= LineSpacing;
offset.X = origin.X;
lineStart = true;
continue;
}
if (characterData.ContainsKey(c) == false)
{
continue; // TODO: Make this match XNA behaviour
}
GlyphData g = characterData[c];
if (!lineStart)
{
offset.X -= g.Kerning.X; // add A spacing
}
sb.InternalDraw(texture, position, g.Glyph,
color, rotation, offset - new Vector2(g.Cropping.X, g.Cropping.Y),
scale * internalScale, SpriteEffects.None, layerDepth);
offset.X -= (g.Kerning.Y + g.Kerning.Z + Spacing); // add B, C and user spacing
lineStart = false;
}
}
SpriteFont
#endif
(Texture2D texture, Stream metricsDataStream, float internalScale)
{
this.texture = texture;
this.internalScale = internalScale;
using (BinaryReader br = new BinaryReader(metricsDataStream, Encoding.Unicode))
{
// Check for signature "ExEnFont"
if (br.ReadInt32() != 0x6E457845 || br.ReadInt32() != 0x746E6F46)
{
throw new ContentLoadException("Invalid ExEn font metrics file");
}
if (br.ReadInt32() != 0)
{
throw new ContentLoadException("Invalid version of ExEn font metrics file");
}
// Read common properties:
LineSpacing = br.ReadInt32();
Spacing = br.ReadInt32();
if (br.ReadBoolean())
{
DefaultCharacter = br.ReadChar();
}
else
{
DefaultCharacter = null;
}
// Read glyph list:
int count = br.ReadInt32();
for (int i = 0; i < count; i++)
{
char c = br.ReadChar();
GlyphData g = new GlyphData();
g.Glyph = br.ReadRectangle();
g.Cropping = br.ReadRectangle();
g.Kerning = br.ReadVector3();
characterData.Add(c, g);
}
}
}
public void DrawString
(
SpriteFont spriteFont,
string text,
Vector2 position,
Color color,
float rotation,
Vector2 origin,
Vector2 scale,
SpriteEffects effects,
float depth
)
{
if (spriteFont == null)
{
throw new ArgumentException("spriteFont");
}
Vector2 p = new Vector2(-origin.X, -origin.Y);
float sin = (float)Math.Sin(rotation);
float cos = (float)Math.Cos(rotation);
foreach (char c in text)
{
if (c == '\n')
{
p.Y += spriteFont.LineSpacing;
p.X = -origin.X;
continue;
}
if (spriteFont.characterData.ContainsKey(c) == false)
{
continue;
}
GlyphData g = spriteFont.characterData[c];
SpriteBatchItem item = _batcher.CreateBatchItem();
item.Depth = depth;
item.TextureID = (int)spriteFont._texture.ID;
Vector2 texCoordTL = spriteFont._texture.Image.GetTextureCoord(g.Glyph.X, g.Glyph.Y);
Vector2 texCoordBR = spriteFont._texture.Image.GetTextureCoord(g.Glyph.X + g.Glyph.Width, g.Glyph.Y + g.Glyph.Height);
if (effects == SpriteEffects.FlipVertically)
{
float temp = texCoordBR.Y;
texCoordBR.Y = texCoordTL.Y;
texCoordTL.Y = temp;
}
else if (effects == SpriteEffects.FlipHorizontally)
{
float temp = texCoordBR.X;
texCoordBR.X = texCoordTL.X;
texCoordTL.X = temp;
}
item.Set
(
position.X,
position.Y,
p.X * scale.X,
(p.Y + g.Cropping.Y) * scale.Y,
g.Glyph.Width * scale.X,
g.Glyph.Height * scale.Y,
sin,
cos,
color,
texCoordTL,
texCoordBR
);
p.X += (g.Kerning.Y + g.Kerning.Z + spriteFont.Spacing);
}
}
