public float WidthToNextLine(string text, int start)
{
if (string.IsNullOrEmpty(text))
{
return(0);
}
var currentLineWidth = 0f;
for (int i = start, j = text.Length; i < j; i++)
{
if (text[i] == '\n')
{
break;
}
PixelFontCharacter c = null;
if (Characters.TryGetValue(text[i], out c))
{
currentLineWidth += c.XAdvance;
int kerning;
if (i < j - 1 && c.Kerning.TryGetValue(text[i + 1], out kerning))
{
currentLineWidth += kerning;
}
}
}
return(currentLineWidth);
}
public PixelFontCharacter Get(int id)
{
PixelFontCharacter val = null;
if (Characters.TryGetValue(id, out val))
{
return(val);
}
return(null);
}
public Vector2 Measure(char text)
{
PixelFontCharacter c = null;
if (Characters.TryGetValue(text, out c))
{
return(new Vector2(c.XAdvance, LineHeight));
}
return(Vector2.Zero);
}
public void Draw(char character, Vector2 position, Vector2 justify, Vector2 scale, Color color)
{
if (char.IsWhiteSpace(character))
{
return;
}
PixelFontCharacter c = null;
if (Characters.TryGetValue(character, out c))
{
var measure = Measure(character);
var justified = new Vector2(measure.X * justify.X, measure.Y * justify.Y);
var pos = position + (new Vector2(c.XOffset, c.YOffset) - justified) * scale;
c.Texture.Draw(Calc.Floor(pos), Vector2.Zero, color, scale);
}
}
public Vector2 Measure(string text)
{
if (string.IsNullOrEmpty(text))
{
return(Vector2.Zero);
}
var size = new Vector2(0, LineHeight);
var currentLineWidth = 0f;
for (var i = 0; i < text.Length; i++)
{
if (text[i] == '\n')
{
size.Y += LineHeight;
if (currentLineWidth > size.X)
{
size.X = currentLineWidth;
}
currentLineWidth = 0f;
}
else
{
PixelFontCharacter c = null;
if (Characters.TryGetValue(text[i], out c))
{
currentLineWidth += c.XAdvance;
int kerning;
if (i < text.Length - 1 && c.Kerning.TryGetValue(text[i + 1], out kerning))
{
currentLineWidth += kerning;
}
}
}
}
if (currentLineWidth > size.X)
{
size.X = currentLineWidth;
}
return(size);
}
public new void Draw(string text, Vector2 position, Vector2 justify, Vector2 scale, Color color, float edgeDepth, Color edgeColor, float stroke, Color strokeColor)
{
text = Emoji.Apply(text);
if (string.IsNullOrEmpty(text))
{
return;
}
Vector2 offset = Vector2.Zero;
Vector2 justifyOffs = new Vector2(
((justify.X != 0f) ? WidthToNextLine(text, 0) : 0f) * justify.X,
HeightOf(text) * justify.Y
);
for (int i = 0; i < text.Length; i++)
{
if (text[i] == '\n')
{
offset.X = 0f;
offset.Y += LineHeight;
if (justify.X != 0f)
{
justifyOffs.X = WidthToNextLine(text, i + 1) * justify.X;
}
continue;
}
PixelFontCharacter c = null;
if (!Characters.TryGetValue(text[i], out c))
{
continue;
}
Vector2 pos = position + (offset + new Vector2(c.XOffset, c.YOffset) - justifyOffs) * scale;
if (stroke > 0f && !Outline)
{
if (edgeDepth > 0f)
{
c.Texture.Draw(pos + new Vector2(0f, -stroke), Vector2.Zero, strokeColor, scale);
for (float num2 = -stroke; num2 < edgeDepth + stroke; num2 += stroke)
{
c.Texture.Draw(pos + new Vector2(-stroke, num2), Vector2.Zero, strokeColor, scale);
c.Texture.Draw(pos + new Vector2(stroke, num2), Vector2.Zero, strokeColor, scale);
}
c.Texture.Draw(pos + new Vector2(-stroke, edgeDepth + stroke), Vector2.Zero, strokeColor, scale);
c.Texture.Draw(pos + new Vector2(0f, edgeDepth + stroke), Vector2.Zero, strokeColor, scale);
c.Texture.Draw(pos + new Vector2(stroke, edgeDepth + stroke), Vector2.Zero, strokeColor, scale);
}
else
{
c.Texture.Draw(pos + new Vector2(-1f, -1f) * stroke, Vector2.Zero, strokeColor, scale);
c.Texture.Draw(pos + new Vector2(0f, -1f) * stroke, Vector2.Zero, strokeColor, scale);
c.Texture.Draw(pos + new Vector2(1f, -1f) * stroke, Vector2.Zero, strokeColor, scale);
c.Texture.Draw(pos + new Vector2(-1f, 0f) * stroke, Vector2.Zero, strokeColor, scale);
c.Texture.Draw(pos + new Vector2(1f, 0f) * stroke, Vector2.Zero, strokeColor, scale);
c.Texture.Draw(pos + new Vector2(-1f, 1f) * stroke, Vector2.Zero, strokeColor, scale);
c.Texture.Draw(pos + new Vector2(0f, 1f) * stroke, Vector2.Zero, strokeColor, scale);
c.Texture.Draw(pos + new Vector2(1f, 1f) * stroke, Vector2.Zero, strokeColor, scale);
}
}
if (edgeDepth > 0f)
{
c.Texture.Draw(pos + Vector2.UnitY * edgeDepth, Vector2.Zero, edgeColor, scale);
}
Color cColor = color;
if (Emoji.Start <= c.Character &&
c.Character <= Emoji.Last &&
!Emoji.IsMonochrome((char)c.Character))
{
cColor = new Color(color.A, color.A, color.A, color.A);
}
c.Texture.Draw(pos, Vector2.Zero, cColor, scale);
offset.X += c.XAdvance;
if (i < text.Length - 1 && c.Kerning.TryGetValue(text[i + 1], out int kerning))
{
offset.X += kerning;
}
}
}
public PixelFontSize AddFontSize(string path, XmlElement data, Atlas atlas = null, bool outline = false)
{
// check if size already exists
var size = data["info"].AttrFloat("size");
foreach (var fs in Sizes)
{
if (fs.Size == size)
{
return(fs);
}
}
// get textures
Textures = new List <MTexture>();
var pages = data["pages"];
foreach (XmlElement page in pages)
{
var file = page.Attr("file");
var atlasPath = Path.GetFileNameWithoutExtension(file);
if (atlas != null && atlas.Has(atlasPath))
{
Textures.Add(atlas[atlasPath]);
}
else
{
var dir = Path.GetDirectoryName(path);
dir = dir.Substring(Engine.ContentDirectory.Length + 1);
Textures.Add(MTexture.FromFile(Path.Combine(dir, file)));
}
}
// create font size
var fontSize = new PixelFontSize()
{
Textures = Textures,
Characters = new Dictionary <int, PixelFontCharacter>(),
LineHeight = data["common"].AttrInt("lineHeight"),
Size = size,
Outline = outline
};
// get characters
foreach (XmlElement character in data["chars"])
{
int id = character.AttrInt("id");
int page = character.AttrInt("page", 0);
fontSize.Characters.Add(id, new PixelFontCharacter(id, Textures[page], character));
}
// get kerning
if (data["kernings"] != null)
{
foreach (XmlElement kerning in data["kernings"])
{
var from = kerning.AttrInt("first");
var to = kerning.AttrInt("second");
var push = kerning.AttrInt("amount");
PixelFontCharacter c = null;
if (fontSize.Characters.TryGetValue(from, out c))
{
c.Kerning.Add(to, push);
}
}
}
// add font size
Sizes.Add(fontSize);
Sizes.Sort((a, b) => { return(Math.Sign(a.Size - b.Size)); });
return(fontSize);
}
public void Draw(string text, Vector2 position, Vector2 justify, Vector2 scale, Color color, float edgeDepth, Color edgeColor, float stroke, Color strokeColor)
{
if (string.IsNullOrEmpty(text))
{
return;
}
var offset = Vector2.Zero;
var lineWidth = (justify.X != 0 ? WidthToNextLine(text, 0) : 0);
var justified = new Vector2(lineWidth * justify.X, HeightOf(text) * justify.Y);
for (int i = 0; i < text.Length; i++)
{
if (text[i] == '\n')
{
offset.X = 0;
offset.Y += LineHeight;
if (justify.X != 0)
{
justified.X = WidthToNextLine(text, i + 1) * justify.X;
}
continue;
}
PixelFontCharacter c = null;
if (Characters.TryGetValue(text[i], out c))
{
var pos = (position + (offset + new Vector2(c.XOffset, c.YOffset) - justified) * scale);
// draw stroke
if (stroke > 0 && !Outline)
{
if (edgeDepth > 0)
{
c.Texture.Draw(pos + new Vector2(0, -stroke), Vector2.Zero, strokeColor, scale);
for (var j = -stroke; j < edgeDepth + stroke; j += stroke)
{
c.Texture.Draw(pos + new Vector2(-stroke, j), Vector2.Zero, strokeColor, scale);
c.Texture.Draw(pos + new Vector2(stroke, j), Vector2.Zero, strokeColor, scale);
}
c.Texture.Draw(pos + new Vector2(-stroke, edgeDepth + stroke), Vector2.Zero, strokeColor, scale);
c.Texture.Draw(pos + new Vector2(0, edgeDepth + stroke), Vector2.Zero, strokeColor, scale);
c.Texture.Draw(pos + new Vector2(stroke, edgeDepth + stroke), Vector2.Zero, strokeColor, scale);
}
else
{
c.Texture.Draw(pos + new Vector2(-1, -1) * stroke, Vector2.Zero, strokeColor, scale);
c.Texture.Draw(pos + new Vector2(0, -1) * stroke, Vector2.Zero, strokeColor, scale);
c.Texture.Draw(pos + new Vector2(1, -1) * stroke, Vector2.Zero, strokeColor, scale);
c.Texture.Draw(pos + new Vector2(-1, 0) * stroke, Vector2.Zero, strokeColor, scale);
c.Texture.Draw(pos + new Vector2(1, 0) * stroke, Vector2.Zero, strokeColor, scale);
c.Texture.Draw(pos + new Vector2(-1, 1) * stroke, Vector2.Zero, strokeColor, scale);
c.Texture.Draw(pos + new Vector2(0, 1) * stroke, Vector2.Zero, strokeColor, scale);
c.Texture.Draw(pos + new Vector2(1, 1) * stroke, Vector2.Zero, strokeColor, scale);
}
}
// draw edge
if (edgeDepth > 0)
{
c.Texture.Draw(pos + Vector2.UnitY * edgeDepth, Vector2.Zero, edgeColor, scale);
}
// draw normal character
c.Texture.Draw(pos, Vector2.Zero, color, scale);
offset.X += c.XAdvance;
int kerning;
if (i < text.Length - 1 && c.Kerning.TryGetValue(text[i + 1], out kerning))
{
offset.X += kerning;
}
}
}
}
