/// <summary>
/// Parse formatted text into separate parts.
/// </summary>
/// <remarks>
/// PyraUI (Monogame) supports bold and italic formatting:
/// Italic Text using _Example_
/// Bold Text using *Example*
/// Nested formatting is not supported as it would increase the file size (more fonts).
/// Colors can be done using [ColorName or #Hex]Text[]
/// A color name (e.g. "Red") or hex code is put into brackets to signify the start of a new color.
/// Empty brackets show the current color should be removed, and the last used color will be applied.
/// (Like a stack)
/// </remarks>
private static IEnumerable<TextRenderProperties> ParseFormattedText(string text, Color color,
FontStyle style)
{
var parts = new List<TextRenderProperties>();
var sb = new StringBuilder();
bool inBold = false, inItalic = false;
var inColor = false;
var colors = new Stack<Color>();
colors.Push(color);
var ignoreColor = color == Color.Transparent; // Transparent signals not to parse colors.
for (var i = 0; i < text.Length; i++)
{
var character = text[i];
// If we are in a color block, append the characters to the color name, or try and parse the name/color.
if (inColor)
{
if (character == ']')
{
if (!ignoreColor)
{
var colorStr = sb.ToString();
// Remove current color if the brackets were empty.
if (string.IsNullOrEmpty(colorStr))
colors.Pop();
else
{
var newColor = (Color) colorStr;
colors.Push(newColor);
}
}
inColor = false;
sb.Clear();
}
else
sb.Append(character);
}
else
{
// Start/end bold text.
if (character == '*')
{
parts.Add(new TextRenderProperties(sb.ToString(), colors.Peek(), inBold ? FontStyle.Bold : style));
inBold = !inBold;
sb.Clear();
}
// Start/end italic text.
else if (character == '_')
{
parts.Add(new TextRenderProperties(sb.ToString(), colors.Peek(),
inItalic ? FontStyle.Italic : style));
inItalic = !inItalic;
sb.Clear();
}
// Start a new color block.
else if (character == '[')
{
parts.Add(new TextRenderProperties(sb.ToString(), colors.Peek(),
inBold ? FontStyle.Bold : inItalic ? FontStyle.Italic : style));
inColor = true;
sb.Clear();
}
else
sb.Append(character);
}
}
if (colors.Count > 0)
parts.Add(new TextRenderProperties(sb.ToString(), colors.Peek(), inBold ? FontStyle.Bold : style));
return parts;
}
public TextRenderProperties(string text, Color color, FontStyle style)
{
Text = text;
Color = color;
Style = style;
}
public override void StretchRectangle(Rectangle area, Color color, Rectangle bounds)
{
var shadow =
(Texture2D) manager.Skin.Textures["shadow"];
var a = area.ToXNA();
var b = bounds.ToXNA();
var half = shadow.Width / 2;
var col = color.ToXNA();
FillRectangle(area, color, area);
manager.SpriteBatch.Draw(shadow, new RectangleXNA(b.X, b.Y, a.X - b.X, a.Y - b.Y),
new RectangleXNA(0, 0, half, half), col);
manager.SpriteBatch.Draw(shadow, new RectangleXNA(b.X, a.Y + a.Height, a.X - b.X, a.Y - b.Y),
new RectangleXNA(0, half, half, half), col);
manager.SpriteBatch.Draw(shadow, new RectangleXNA(a.X + a.Width, b.Y, a.X - b.X, a.Y - b.Y),
new RectangleXNA(half, 0, half, half), col);
manager.SpriteBatch.Draw(shadow, new RectangleXNA(a.X + a.Width, a.Y + a.Height, a.X - b.X, a.Y - b.Y),
new RectangleXNA(half, half, half, half), col);
manager.SpriteBatch.Draw(shadow, new RectangleXNA(a.X, b.Y, a.Width, a.Y - b.Y),
new RectangleXNA(half, 0, 1, half), col);
manager.SpriteBatch.Draw(shadow, new RectangleXNA(a.X, a.Y + a.Height, a.Width, a.Y - b.Y),
new RectangleXNA(half, half, 1, half), col);
manager.SpriteBatch.Draw(shadow, new RectangleXNA(b.X, a.Y, a.X - b.X, a.Height),
new RectangleXNA(0, half, half, 1), col);
manager.SpriteBatch.Draw(shadow, new RectangleXNA(a.X + a.Width, a.Y, a.X - b.X, a.Height),
new RectangleXNA(half, half, half, 1), col);
}
/// <summary> /// Stretches a rectangle to fill the bounds and create a shadow effect. /// </summary> public abstract void StretchRectangle(Rectangle area, Color color, Rectangle bounds);
public DropShadowEffect(Manager manager, int blurRadius, Color color)
: base(manager)
{
BlurRadius = blurRadius;
Color = color;
}
public ColorBrush(Color color)
{
Color = color;
}
public GradientBrush(Color start, Color end)
{
Start = start;
End = end;
}
