/// <summary>
/// Measures the map to return the destination width and height of the texture
/// </summary>
/// <param name="font">Font name</param>
/// <param name="size">Font size</param>
/// <param name="style">Font Style</param>
/// <param name="width">Resulting width</param>
/// <param name="height">Resulting height</param>
public static void MeasureMap(string font, float size, FontMapStyles style, out int width, out int height)
{
using (var bmp = new Bitmap(100, 100))
using (var gra = System.Drawing.Graphics.FromImage(bmp))
using (var fmt = StringFormat.GenericDefault)
using (var fnt = new Font(font, size, (FontStyle)style, GraphicsUnit.Pixel))
{
string str = new string(ValidKeys);
var s = gra.MeasureString(
str,
fnt,
int.MaxValue,
fmt);
if (s.Width <= MAXTEXTURESIZE)
{
width = (int)s.Width + 1;
height = (int)s.Height + 1;
}
else
{
width = MAXTEXTURESIZE;
int a = (int)s.Width / MAXTEXTURESIZE;
height = ((int)s.Height + 1) * (a + 1);
}
}
}
/// <summary>
/// Generates a new description
/// </summary>
/// <param name="font">Font name</param>
/// <param name="size">Size</param>
/// <param name="style">Style</param>
/// <param name="textColor">Text color</param>
/// <param name="shadowColor">Shadow color</param>
/// <returns>Returns the new generated description</returns>
public static TextDrawerDescription Generate(string font, int size, FontMapStyles style, Color textColor, Color shadowColor)
{
return(new TextDrawerDescription()
{
Name = string.Format("TextBox {0} {1} {2}", font, size, style),
Font = font,
FontSize = size,
Style = style,
TextColor = textColor,
ShadowColor = shadowColor,
});
}
/// <summary>
/// Generates a new description
/// </summary>
/// <param name="font">Font name</param>
/// <param name="size">Size</param>
/// <param name="style">Style</param>
/// <param name="textColor">Text color</param>
/// <returns>Returns the new generated description</returns>
public static TextDrawerDescription Generate(string font, int size, FontMapStyles style, Color textColor)
{
return(Generate(font, size, style, textColor, Color.Transparent));
}
/// <summary>
/// Creates a font map of the specified font and size
/// </summary>
/// <param name="game">Game</param>
/// <param name="font">Font name</param>
/// <param name="size">Size</param>
/// <param name="bold">Weight</param>
/// <returns>Returns created font map</returns>
public static FontMap Map(Game game, string font, float size, FontMapStyles style)
{
var fMap = gCache.Find(f => f.Font == font && f.Size == size && f.Style == style);
if (fMap == null)
{
//Calc the destination texture width and height
MeasureMap(font, size, style, out int width, out int height);
//Calc the delta value for margins an new lines
float delta = (float)Math.Sqrt(size) + (size / 40f);
fMap = new FontMap()
{
Font = font,
Size = size,
Style = style,
Delta = (int)delta,
TextureWidth = width,
TextureHeight = height,
};
using (var bmp = new Bitmap(width, height))
using (var gra = System.Drawing.Graphics.FromImage(bmp))
using (var fmt = StringFormat.GenericDefault)
using (var fnt = new Font(font, size, (FontStyle)style, GraphicsUnit.Pixel))
{
gra.TextRenderingHint = TextRenderingHint.AntiAliasGridFit;
gra.FillRegion(
Brushes.Transparent,
new Region(new System.Drawing.RectangleF(0, 0, width, height)));
float left = fMap.Delta;
float top = 0f;
for (int i = 0; i < ValidKeys.Length; i++)
{
char c = ValidKeys[i];
var s = gra.MeasureString(
c.ToString(),
fnt,
int.MaxValue,
fmt);
if (c == ' ')
{
//White space
s.Width = fnt.SizeInPoints;
}
if (left + (int)s.Width + fMap.Delta + fMap.Delta >= width)
{
//Next texture line
left = fMap.Delta;
top += (int)s.Height + fMap.Delta;
}
gra.DrawString(
c.ToString(),
fnt,
Brushes.White,
left,
top,
fmt);
var chr = new FontMapChar()
{
X = left,
Y = top,
Width = s.Width,
Height = s.Height + (fMap.Delta / 2),
};
fMap.map.Add(c, chr);
left += (int)s.Width + fMap.Delta + fMap.Delta;
}
//Generate the texture
fMap.bitmapStream = new MemoryStream();
bmp.Save(fMap.bitmapStream, ImageFormat.Png);
fMap.Texture = game.ResourceManager.CreateResource(fMap.bitmapStream, false);
}
//Add map to the font cache
gCache.Add(fMap);
}
return(fMap);
}
