public void Pack_AdjustedGlyphs_All()
{
// Arrange
var glyphs = new List <Bitmap>();
glyphs.Add(new Bitmap(5, 5));
glyphs[0].SetPixel(2, 1, Color.White);
glyphs[0].SetPixel(2, 2, Color.White);
glyphs[0].SetPixel(2, 3, Color.White);
glyphs[0].SetPixel(1, 2, Color.White);
glyphs[0].SetPixel(3, 2, Color.White);
glyphs.Add(new Bitmap(5, 5));
glyphs[1].SetPixel(2, 2, Color.White);
glyphs[1].SetPixel(2, 1, Color.White);
glyphs[1].SetPixel(3, 2, Color.White);
glyphs.Add(new Bitmap(2, 2));
glyphs[2].SetPixel(0, 0, Color.White);
glyphs[2].SetPixel(1, 0, Color.White);
var adjustedGlyphs = FontMeasurement.MeasureWhiteSpace(glyphs);
var binPacker = new BinPacker(new Size(5, 3));
// Act
var boxes = binPacker.Pack(adjustedGlyphs).ToArray();
// Assert
boxes.Length.Should().Be(3);
boxes[0].position.Should().Be(Point.Empty);
boxes[1].position.Should().Be(new Point(3, 0));
boxes[2].position.Should().Be(new Point(3, 2));
}
public void Pack_AdjustedGlyphs_Space()
{
// Arrange
var glyphs = new List <Bitmap>();
glyphs.Add(new Bitmap(5, 5));
var adjustedGlyphs = FontMeasurement.MeasureWhiteSpace(glyphs);
var binPacker = new BinPacker(new Size(6, 6));
// Act
var boxes = binPacker.Pack(adjustedGlyphs).ToArray();
// Assert
boxes.Length.Should().Be(1);
boxes[0].position.Should().Be(new Point(1, 1));
}
public void Measure_WhiteSpace_Works()
{
// Arrange
var glyphs = new List <Bitmap>();
glyphs.Add(new Bitmap(5, 5));
glyphs[0].SetPixel(2, 2, Color.White);
glyphs.Add(new Bitmap(5, 5));
glyphs[1].SetPixel(2, 2, Color.White);
glyphs[1].SetPixel(2, 1, Color.White);
// Act
var adjustedGlyphs = FontMeasurement.MeasureWhiteSpace(glyphs).ToArray();
// Assert
adjustedGlyphs.Length.Should().Be(2);
adjustedGlyphs[0].WhiteSpaceAdjustment.GlyphSize.Should().Be(new Size(1, 1));
adjustedGlyphs[1].WhiteSpaceAdjustment.GlyphSize.Should().Be(new Size(1, 2));
adjustedGlyphs[0].WhiteSpaceAdjustment.GlyphPosition.Should().Be(new Point(2, 2));
adjustedGlyphs[1].WhiteSpaceAdjustment.GlyphPosition.Should().Be(new Point(2, 1));
}
public (Stream fontStream, Image fontImage) Save(List <CharacterInfo> characterInfos, Size imageSize)
{
// Generating font textures
var adjustedGlyphs = FontMeasurement.MeasureWhiteSpace(characterInfos.Select(x => (Bitmap)x.Glyph)).ToList();
// Adjust image size for at least the biggest letter
var height = Math.Max(adjustedGlyphs.Max(x => x.WhiteSpaceAdjustment.GlyphSize.Height), imageSize.Height);
var width = Math.Max(adjustedGlyphs.Max(x => x.WhiteSpaceAdjustment.GlyphSize.Width), imageSize.Width);
imageSize = new Size(width, height);
var generator = new FontTextureGenerator(imageSize, 0);
var textureInfos = generator.GenerateFontTextures(adjustedGlyphs, 3).ToList();
// Join important lists
var joinedCharacters = characterInfos.OrderBy(x => x.CodePoint).Join(adjustedGlyphs, c => c.Glyph, ag => ag.Glyph,
(c, ag) => new { character = c, adjustedGlyph = ag })
.Select(cag => new
{
cag.character,
cag.adjustedGlyph,
textureIndex = textureInfos.FindIndex(x => x.Glyphs.Any(y => y.Item1 == cag.adjustedGlyph.Glyph)),
texturePosition = textureInfos.SelectMany(x => x.Glyphs).FirstOrDefault(x => x.Item1 == cag.adjustedGlyph.Glyph).Item2
});
// Create character information
var charMaps = new List <(AdjustedGlyph, XfCharMap)>(adjustedGlyphs.Count);
var charSizeInfos = new List <XfCharSizeInfo>();
foreach (var joinedCharacter in joinedCharacters)
{
if (joinedCharacter.textureIndex == -1)
{
continue;
}
var charSizeInfo = new XfCharSizeInfo
{
offsetX = (sbyte)joinedCharacter.adjustedGlyph.WhiteSpaceAdjustment.GlyphPosition.X,
offsetY = (sbyte)joinedCharacter.adjustedGlyph.WhiteSpaceAdjustment.GlyphPosition.Y,
glyphWidth = (byte)joinedCharacter.adjustedGlyph.WhiteSpaceAdjustment.GlyphSize.Width,
glyphHeight = (byte)joinedCharacter.adjustedGlyph.WhiteSpaceAdjustment.GlyphSize.Height
};
if (!charSizeInfos.Contains(charSizeInfo))
{
charSizeInfos.Add(charSizeInfo);
}
// Only used for Time Travelers
var codePoint = ConvertChar(joinedCharacter.character.CodePoint);
//var codePoint = joinedCharacter.character.CodePoint;
var charInformation = new XfCharInformation
{
charSizeInfoIndex = charSizeInfos.IndexOf(charSizeInfo),
charWidth = char.IsWhiteSpace((char)codePoint) ?
joinedCharacter.character.CharacterSize.Width :
joinedCharacter.character.CharacterSize.Width - charSizeInfo.offsetX
};
charMaps.Add((joinedCharacter.adjustedGlyph, new XfCharMap
{
codePoint = (ushort)codePoint,
charInformation = charInformation,
imageInformation = new XfImageInformation
{
colorChannel = joinedCharacter.textureIndex,
imageOffsetX = joinedCharacter.texturePosition.X,
imageOffsetY = joinedCharacter.texturePosition.Y
}
}));
if (codePoint != joinedCharacter.character.CodePoint)
{
charInformation = new XfCharInformation
{
charSizeInfoIndex = charSizeInfos.IndexOf(charSizeInfo),
charWidth = char.IsWhiteSpace((char)joinedCharacter.character.CodePoint)
? joinedCharacter.character.CharacterSize.Width
: joinedCharacter.character.CharacterSize.Width - charSizeInfo.offsetX
};
charMaps.Add((joinedCharacter.adjustedGlyph, new XfCharMap
{
codePoint = (ushort)joinedCharacter.character.CodePoint,
charInformation = charInformation,
imageInformation = new XfImageInformation
{
colorChannel = joinedCharacter.textureIndex,
imageOffsetX = joinedCharacter.texturePosition.X,
imageOffsetY = joinedCharacter.texturePosition.Y
}
}));
}
}
// Set escape characters
var escapeIndex = charMaps.FindIndex(x => x.Item2.codePoint == '?');
Header.largeEscapeCharacter = escapeIndex < 0 ? (short)0 : (short)escapeIndex;
Header.smallEscapeCharacter = 0;
// Minimize top value and line height
Header.largeCharHeight = (short)charSizeInfos.Max(x => x.glyphHeight + x.offsetY);
Header.smallCharHeight = 0;
// Draw textures
var img = new Bitmap(imageSize.Width, imageSize.Height);
var gfx = Graphics.FromImage(img);
for (var i = 0; i < textureInfos.Count; i++)
{
var destPoints = new[]
{
new PointF(0, 0),
new PointF(textureInfos[i].FontTexture.Width, 0),
new PointF(0, textureInfos[i].FontTexture.Height)
};
var rect = new RectangleF(0, 0, textureInfos[i].FontTexture.Width, textureInfos[i].FontTexture.Height);
var attr = new ImageAttributes();
attr.SetColorMatrix(_inverseColorMatrices[i]);
gfx.DrawImage(textureInfos[i].FontTexture, destPoints, rect, GraphicsUnit.Pixel, attr);
}
// Save fnt.bin
var savedFntBin = new MemoryStream();
using (var bw = new BinaryWriterX(savedFntBin, true))
{
//Table0
bw.BaseStream.Position = 0x28;
Header.charSizeCount = (short)charSizeInfos.Count;
WriteMultipleCompressed(bw, charSizeInfos, _t0Comp);
bw.WriteAlignment(4);
//Table1
Header.largeCharOffset = (short)(bw.BaseStream.Position >> 2);
Header.largeCharCount = (short)charMaps.Count;
WriteMultipleCompressed(bw, charMaps.OrderBy(x => x.Item2.codePoint).Select(x => x.Item2).ToArray(), _t1Comp);
bw.WriteAlignment(4);
//Table2
Header.smallCharOffset = (short)(bw.BaseStream.Position >> 2);
Header.smallCharCount = 0;
WriteMultipleCompressed(bw, Array.Empty <XfCharMap>(), _t2Comp);
bw.WriteAlignment(4);
//Header
bw.BaseStream.Position = 0;
bw.WriteType(Header);
}
return(savedFntBin, img);
}
