public static List <Bounds> DrawTextsReturnBounds(string text, FontPair pair, Microsoft.Xna.Framework.Vector2 pos, Microsoft.Xna.Framework.Color color, int space = 0, float scale = 1f, float?depth = null)
{
List <Bounds> bounds = new List <Bounds>();
Bounds bound;
if (font == null)
{
Init(pair.Name, pair.Size);
}
text = text.Replace("\r\n", "\n").Replace("\r", "\n");
var texs = text.Split('\n');
for (int i = 0; i < texs.Length; i++)
{
var te = texs[i];
bound = font.DrawStringReturnBounds(Session.Current.SpriteBatch, te, pos + new Vector2(0, i * pair.Size * scale), color, new Vector2(scale, scale), depth == null ? 0 : (float)depth);
if (scale != 1f) //当字体的缩放倍数不为一时，相应的字体范围也要乘以缩放倍数，字体范围才准确
{
bound.X2 = bound.X + bound.Width * scale;
bound.Y2 = bound.Y + bound.Height * scale;
}
bounds.Add(bound);
}
return(bounds);
//Session.Current.SpriteBatch.Draw(font.Texture, pos, null, color, 0f, Vector2.Zero, scale, Microsoft.Xna.Framework.Graphics.SpriteEffects.None, depth == null ? 0 : (float)depth);
}
public static void DrawTexts(string text, FontPair pair, Microsoft.Xna.Framework.Vector2 pos, Microsoft.Xna.Framework.Color color, int space = 0, float scale = 1f, float?depth = null)
{
if (font == null)
{
Init(pair.Name, pair.Size);
}
text = text.Replace("\r\n", "\n").Replace("\r", "\n");
var texs = text.Split('\n');
for (int i = 0; i < texs.Length; i++)
{
var te = texs[i];
font.DrawString(Session.Current.SpriteBatch, te, pos + new Vector2(0, i * pair.Size * scale), color, new Vector2(scale, scale), depth == null ? 0 : (float)depth);
}
//Session.Current.SpriteBatch.Draw(font.Texture, pos, null, color, 0f, Vector2.Zero, scale, Microsoft.Xna.Framework.Graphics.SpriteEffects.None, depth == null ? 0 : (float)depth);
}
/// <summary>
/// 将文字处理成自动换行的形式
/// </summary>
/// <param name="text">要处理的文字</param>
/// <param name="pair">FontPair</param>
/// <param name="lineWidth">行宽度</param>
/// <param name="scale">缩放倍数</param>
/// <returns>返回经过自动换行处理过的文字</returns>
public static string HandleAutoWrap(string text, FontPair pair, float lineWidth, float scale)
{
Bounds bound;
string autoWrapText = null;//换行后的文字
if (font == null)
{
Init(pair.Name, pair.Size);
}
text = text.Replace("\r\n", "\n").Replace("\r", "\n");
var texs = text.Split('\n');
int currentIndex; //指向在一行文字内当前指向的处理到第几个字的索引
string currentLine; //当前行需判断的文字
for (int i = 0; i < texs.Length; i++)
{
currentLine = null;
var te = texs[i];
currentIndex = 0;
for (int j = 0; j < te.Length; j++)
{
currentLine = te.Substring(currentIndex, j - currentIndex + 1);//取出当前索引位置前的所有文字用于判断这些文字是否超过行宽度
bound = font.CalcStringBounds(currentLine.ToString(), new Vector2(0, i * pair.Size * scale), new Vector2(scale, scale));
if (bound.Width * scale > lineWidth) //如果当前这些文字超过行宽的
{
autoWrapText += (currentLine.Substring(0, currentLine.Length - 1) + '\n'); //换行，并将当前行所有文字存入修改后的自动换行变量中
currentIndex = j;
j--; //当前的字超过行宽度，需要倒回去一个字开始继续处理
}
}
autoWrapText += (currentLine + '\n');//将没有超界的文字加入总文字内
}
return(autoWrapText);
}
