protected unsafe void AddTex(Char chr)
{
if (this.CharTiles.ContainsKey(chr))
{
return;
}
String text = chr.ToString();
this.sizef = this._tempGr.MeasureString(text, Font, PointF.Empty, StringFormat.GenericTypographic);
if (this.sizef.Width <= 0f)
{
this.sizef.Width = this.sizef.Height / 2f;
}
if (this.bitmap == null || (Int32)Math.Ceiling(this.sizef.Width) != this.bitmap.Width || (Int32)Math.Ceiling(this.sizef.Height) != this.bitmap.Height)
{
this.bitmap = new Bitmap((Int32)Math.Ceiling(this.sizef.Width), (Int32)Math.Ceiling(this.sizef.Height), PixelFormat.Format32bppArgb);
this.gr = System.Drawing.Graphics.FromImage(this.bitmap);
}
else
{
this.gr.Clear(System.Drawing.Color.Empty);
}
this.gr.TextRenderingHint = this.textRenderingHint;
this.gr.DrawString(text, Font, this._brush, 0f, 0f, StringFormat.GenericTypographic);
if (this.bitmap.Height > this.currentMaxHeight)
{
this.currentMaxHeight = this.bitmap.Height;
}
if (this.currentLeft + this.bitmap.Width + 1 > this.currentTex2d.Width)
{
this.currentTop += this.currentMaxHeight + 1;
this.currentLeft = 0;
}
if (this.currentTop + this.currentMaxHeight > this.currentTex2d.Height)
{
NewTex();
}
CharTile charTile = new CharTile(this.currentTex2d, new Rectangle(this.currentLeft, this.currentTop, this.bitmap.Width, this.bitmap.Height));
this.CharTiles.Add(chr, charTile);
Int32[] array = new Int32[this.bitmap.Width * this.bitmap.Height];
BitmapData bitmapData = this.bitmap.LockBits(new System.Drawing.Rectangle(0, 0, this.bitmap.Width, this.bitmap.Height), ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);
Int32 * ptr = (Int32 *)((void *)bitmapData.Scan0);
for (Int32 i = 0; i < array.Length; i++)
{
if (*ptr != 0)
{
array[i] = *ptr;
}
ptr++;
}
this.bitmap.UnlockBits(bitmapData);
this.gds.GraphicsDevice.Textures[0] = null;
this.currentTex2d.SetData <Int32>(0, new Rectangle?(charTile.rect), array, 0, array.Length);
this.currentLeft += charTile.rect.Width + 1;
}
/// <summary>
/// 绘制字符数组 (不带Begin End)
/// </summary>
/// <param name="sb"> SpriteBatch</param>
/// <param name="str"> 字符数组</param>
/// <param name="position">位置</param>
/// <param name="maxBound">绘制的最大范围限定</param>
/// <param name="scale"> 缩放</param>
/// <param name="color"> 颜色</param>
/// <returns>绘制到的范围</returns>
public Vector2 Draw(SpriteBatch sb, Char[] str, Vector2 position, Vector2 maxBound, Vector2 scale, Color color)
{
if (maxBound.X == 0f)
{
maxBound.X = Single.MaxValue;
}
else
{
maxBound.X += position.X;
}
if (maxBound.Y == 0f)
{
maxBound.Y = Single.MaxValue;
}
else
{
maxBound.Y += position.Y;
}
Vector2 vector = position;
Single num = 0f;
Single num2 = 0f;
foreach (Char c in str)
{
AddTex(c);
CharTile charTile = this.CharTiles[c];
if (c == '\r' || vector.X + charTile.rect.Width * scale.X > maxBound.X)
{
if (vector.X > num2)
{
num2 = vector.X;
}
vector.X = position.X;
vector.Y += num * scale.Y + this.Spacing.Y * scale.X;
num = 0f;
}
else if (c != '\n')
{
if (charTile.rect.Height > num)
{
num = charTile.rect.Height;
if (vector.Y + num * scale.Y > maxBound.Y)
{
break;
}
}
if (sb != null)
{
sb.Draw(charTile.tex, vector, new Rectangle?(charTile.rect), color, 0f, Vector2.Zero, scale, 0, 0f);
}
vector.X += charTile.rect.Width * scale.X + this.Spacing.X * scale.X;
}
}
if (vector.X > num2)
{
num2 = vector.X;
}
vector.X = num2 - this.Spacing.X * scale.X;
vector.Y += num * scale.Y;
return(vector - position);
}