void Draw(Vector2 pos, Font.Symbol symbol, Color color)
{
VertexBuffer.Add(new Vertex()
{
Position = new Vector2(pos.X, pos.Y),
UV = symbol.UV.TopLeft,
Color = color
});
VertexBuffer.Add(new Vertex()
{
Position = new Vector2(pos.X + symbol.Size.Width, pos.Y),
UV = symbol.UV.TopRight,
Color = color
});
VertexBuffer.Add(new Vertex()
{
Position = new Vector2(pos.X + symbol.Size.Width, pos.Y + symbol.Size.Height),
UV = symbol.UV.BottomRight,
Color = color
});
VertexBuffer.Add(new Vertex()
{
Position = new Vector2(pos.X, pos.Y + symbol.Size.Height),
UV = symbol.UV.BottomLeft,
Color = color
});
}
public void Draw(System.Windows.Point originalPos, String text, System.Windows.Media.Color color, TextAlignment alignment = TextAlignment.Left, double maxWidth = double.MaxValue)
{
System.Windows.Point pos = new System.Windows.Point(originalPos.X * RenderSettings.DpiScale.X, originalPos.Y * RenderSettings.DpiScale.Y);
Color textColor = Utils.Convert(color);
char[] str = text.ToCharArray();
switch (alignment)
{
case TextAlignment.Center:
{
double totalWidth = 0.0;
for (int i = 0; i < str.Length; ++i)
{
totalWidth += SegoeUI.Symbols[str[i]].Advance;
}
double shift = Math.Max(0.0, (maxWidth - totalWidth) * 0.5);
Vector2 origin = new Vector2((float)(pos.X + shift), (float)pos.Y);
for (int i = 0; i < str.Length; ++i)
{
Font.Symbol symbol = SegoeUI.Symbols[str[i]];
if (symbol.Size.Width > maxWidth)
{
break;
}
Draw(origin, symbol, textColor);
origin.X += symbol.Advance;
maxWidth -= symbol.Advance;
}
}
break;
case TextAlignment.Right:
{
Vector2 origin = new Vector2((float)(pos.X + maxWidth), (float)pos.Y);
for (int i = str.Length - 1; i >= 0; --i)
{
Font.Symbol symbol = SegoeUI.Symbols[str[i]];
origin.X -= symbol.Advance;
if (symbol.Size.Width > maxWidth)
{
break;
}
Draw(origin, symbol, textColor);
maxWidth -= symbol.Advance;
}
}
break;
default:
{
Vector2 origin = new Vector2((float)pos.X, (float)pos.Y);
for (int i = 0; i < str.Length; ++i)
{
Font.Symbol symbol = SegoeUI.Symbols[str[i]];
if (symbol.Size.Width > maxWidth)
{
break;
}
Draw(origin, symbol, textColor);
origin.X += symbol.Advance;
maxWidth -= symbol.Advance;
}
}
break;
}
}
