/// <summary>
/// Katkaisee merkkijonon loppupäästä niin että se sopii annettuun
/// pikselileveyteen fontilla kirjoitettuna.
/// </summary>
/// <param name="str">Merkkijono</param>
/// <param name="maxLineWidth">Maksimipikselimäärä merkkijonolle</param>
/// <returns></returns>
public string TruncateText(string str, double maxLineWidth)
{
StringBuilder builder = new StringBuilder(str);
double realWidth = XnaFont.MeasureString(str).X;
while (realWidth > maxLineWidth)
{
builder.Remove(builder.Length - 1, 1);
realWidth = XnaFont.MeasureString(builder).X;
}
return(builder.ToString());
}
private void DrawNameTooltip(RenderEnv env, string name, XnaFont font, Vector2 mapPosition, Color color)
{
SpriteBatchEx sprite = env.Sprite;
Vector2 size = font.MeasureString(name);
Rectangle rect = new Rectangle((int)(mapPosition.X - size.X / 2 - 2), (int)(mapPosition.Y + 2), (int)(size.X + 4), (int)(size.Y + 3));
sprite.FillRectangle(rect, new Color(Color.Black, 0.7f), env.Camera.Origin);
sprite.DrawStringEx(
font,
name,
new Vector2(rect.X + 2, rect.Y + 2),
color,
env.Camera.Origin);
}
private void PrepareTextBlock(IList <TextBlock> list, XnaFont font, string text, ref Vector2 pos, Color color)
{
Vector2 size = font.MeasureString(text);
TextBlock block = new TextBlock();
block.Font = font;
block.Text = text;
block.Position = pos;
block.ForeColor = color;
list.Add(block);
pos.X += size.X;
}
public static TextBlock PrepareTextBlock(XnaFont font, string text, ref Vector2 pos, Color color)
{
Vector2 size = font.MeasureString(text);
TextBlock block = new TextBlock();
block.Font = font;
block.Text = text;
block.Position = pos;
block.ForeColor = color;
pos.X += size.X;
return(block);
}
/// <summary>
/// Rivittää tekstin.
/// </summary>
/// <param name="text">Rivitettävä teksti.</param>
/// <param name="softLineWidth">Leveys jonka jälkeen seuraava sana rivitetään seuraavalle riville.</param>
/// <param name="hardLineWidth">Leveys jonka jälkeen sana katkaistaan keskeltä.</param>
public string WrapText(string text, double softLineWidth, double hardLineWidth)
{
if (softLineWidth <= 0 || hardLineWidth <= 0)
{
throw new ArgumentException("Width must be positive.");
}
StringBuilder src = new StringBuilder(text);
StringBuilder word = new StringBuilder();
StringBuilder line = new StringBuilder();
StringBuilder dest = new StringBuilder();
double lineWidth = 0;
while (src.Length > 0 || word.Length > 0)
{
if (word.Length == 0)
{
src.TakeFirstWord(word);
}
var wordWidth = XnaFont.MeasureString(word).X;
if (lineWidth + wordWidth > softLineWidth)
{
appendLine(dest, line);
word.PutTo(line);
lineWidth = 0;
}
else if (lineWidth + wordWidth > hardLineWidth)
{
int wi = FindWrapIndex(word, hardLineWidth - lineWidth, false);
word.PutTo(line, 0, wi + 1);
appendLine(dest, line);
lineWidth = 0;
}
else
{
word.PutTo(line);
lineWidth += wordWidth;
}
}
if (line.Length > 0)
{
appendLine(dest, line);
}
return(dest.ToString());
}
private void PrepareTextLine(IList <TextBlock> list, XnaFont font, string text, ref Vector2 pos, Color color, ref float maxWidth)
{
Vector2 size = font.MeasureString(text);
TextBlock block = new TextBlock();
block.Font = font;
block.Text = text;
block.Position = pos;
block.ForeColor = color;
list.Add(block);
maxWidth = Math.Max(pos.X + size.X, maxWidth);
pos.X = 0;
pos.Y += size.Y;
}
/// <summary>
/// Palauttaa annetun merkin koon tässä fontissa.
/// </summary>
/// <param name="c">Merkki</param>
/// <returns>Kokovektori, nollavektori jos merkkiä ei ole määritelty</returns>
public Vector GetCharacterSize(char c)
{
int index = XnaFont.Characters.IndexOf(c);
if (index < 0)
{
return(Vector.Zero);
}
if (charsizes[index] == Vector.Zero)
{
XnaV2 xnaSize = XnaFont.MeasureString(c.ToString());
charsizes[index] = new Vector(xnaSize.X, xnaSize.Y);
}
return(charsizes[index]);
}
public static TextBlock PrepareTextLine(XnaFont font, string text, ref Vector2 pos, Color color, ref float maxWidth)
{
Vector2 size = font.MeasureString(text);
TextBlock block = new TextBlock();
block.Font = font;
block.Text = text;
block.Position = pos;
block.ForeColor = color;
maxWidth = Math.Max(pos.X + size.X, maxWidth);
pos.X = 0;
pos.Y += font.Height;
if (size.Y >= font.Height)
{
pos.Y += size.Y - font.BaseFont.Size;
}
return(block);
}
