public static void Crop(Glyph glyph)
{
// Crop the top.
while ((glyph.Subrect.Height > 1) && BitmapUtils.IsAlphaEntirely(0, glyph.Bitmap, new Rectangle(glyph.Subrect.X, glyph.Subrect.Y, glyph.Subrect.Width, 1)))
{
glyph.Subrect.Y++;
glyph.Subrect.Height--;
glyph.YOffset++;
}
// Crop the bottom.
while ((glyph.Subrect.Height > 1) && BitmapUtils.IsAlphaEntirely(0, glyph.Bitmap, new Rectangle(glyph.Subrect.X, glyph.Subrect.Bottom - 1, glyph.Subrect.Width, 1)))
{
glyph.Subrect.Height--;
}
// Crop the left.
while ((glyph.Subrect.Width > 1) && BitmapUtils.IsAlphaEntirely(0, glyph.Bitmap, new Rectangle(glyph.Subrect.X, glyph.Subrect.Y, 1, glyph.Subrect.Height)))
{
glyph.Subrect.X++;
glyph.Subrect.Width--;
glyph.XOffset++;
}
// Crop the right.
while ((glyph.Subrect.Width > 1) && BitmapUtils.IsAlphaEntirely(0, glyph.Bitmap, new Rectangle(glyph.Subrect.Right - 1, glyph.Subrect.Y, 1, glyph.Subrect.Height)))
{
glyph.Subrect.Width--;
glyph.XAdvance++;
}
}
/// <summary>
/// This method for loading/saving a font file generated from MakeSpriteFont.
/// </summary>
/// <param name="serializer">The binary serializer to use.</param>
/// <returns></returns>
private void SerializeMakeSpriteFont(BinarySerializer serializer)
{
FourCC magicCode2 = "font";
serializer.Serialize(ref magicCode2);
if (magicCode2 != "font")
return;
// Writes the version
if (serializer.Mode == SerializerMode.Read)
{
int version = serializer.Reader.ReadInt32();
if (version != Version)
{
throw new NotSupportedException(string.Format("SpriteFontData version [0x{0:X}] is not supported. Expecting [0x{1:X}]", version, Version));
}
}
else
{
serializer.Writer.Write(Version);
}
// Deserialize Glyphs
int glyphCount = 0;
serializer.Serialize(ref glyphCount);
// For MakeSpriteFont, there is only one GlyphPage.
Glyphs = new Glyph[glyphCount];
for (int i = 0; i < glyphCount; i++)
{
serializer.Serialize(ref Glyphs[i].Character);
serializer.Serialize(ref Glyphs[i].Subrect);
serializer.Serialize(ref Glyphs[i].Offset);
serializer.Serialize(ref Glyphs[i].XAdvance);
// Fix XAdvance with Right/Left for MakeSpriteFont
Glyphs[i].XAdvance += Glyphs[i].Subrect.Right - Glyphs[i].Subrect.Left;
}
serializer.Serialize(ref LineSpacing);
serializer.Serialize(ref DefaultCharacter);
var image = new BitmapData();
Bitmaps = new Bitmap[1] {new Bitmap()};
Bitmaps[0].Data = image;
serializer.Serialize(ref image.Width);
serializer.Serialize(ref image.Height);
serializer.SerializeEnum(ref image.PixelFormat);
serializer.Serialize(ref image.RowStride);
serializer.Serialize(ref image.CompressedHeight);
serializer.Serialize(ref image.Data, image.RowStride * image.CompressedHeight);
}
public static Bitmap ArrangeGlyphs(Glyph[] sourceGlyphs)
{
// Build up a list of all the glyphs needing to be arranged.
List<ArrangedGlyph> glyphs = new List<ArrangedGlyph>();
for (int i = 0; i < sourceGlyphs.Length; i++)
{
ArrangedGlyph glyph = new ArrangedGlyph();
glyph.Source = sourceGlyphs[i];
// Leave a one pixel border around every glyph in the output bitmap.
glyph.Width = sourceGlyphs[i].Subrect.Width + 2;
glyph.Height = sourceGlyphs[i].Subrect.Height + 2;
glyphs.Add(glyph);
}
// Sort so the largest glyphs get arranged first.
glyphs.Sort(CompareGlyphSizes);
// Work out how big the output bitmap should be.
int outputWidth = GuessOutputWidth(sourceGlyphs);
int outputHeight = 0;
// Choose positions for each glyph, one at a time.
for (int i = 0; i < glyphs.Count; i++)
{
PositionGlyph(glyphs, i, outputWidth);
outputHeight = Math.Max(outputHeight, glyphs[i].Y + glyphs[i].Height);
}
// Create the merged output bitmap.
outputHeight = MakeValidTextureSize(outputHeight, false);
return CopyGlyphsToOutput(glyphs, outputWidth, outputHeight);
}
/// <summary>
/// This method for loading/saving a font file generated from MakeSpriteFont.
/// </summary>
/// <param name="serializer">The binaryserializer to use.</param>
/// <returns></returns>
private void SerializeMakeSpriteFont(BinarySerializer serializer)
{
FourCC magicCode2 = "font";
serializer.Serialize(ref magicCode2);
if (magicCode2 != "font")
return;
// Deserialize Glyphs
int glyphCount = 0;
serializer.Serialize(ref glyphCount);
// For MakeSpriteFont, there is only one GlyphPage.
Glyphs = new Glyph[glyphCount];
for (int i = 0; i < glyphCount; i++)
{
serializer.Serialize(ref Glyphs[i].Character);
serializer.Serialize(ref Glyphs[i].Subrect);
serializer.Serialize(ref Glyphs[i].Offset);
serializer.Serialize(ref Glyphs[i].XAdvance);
// Fix XAdvance with Right/Left for MakeSpriteFont
Glyphs[i].XAdvance += Glyphs[i].Subrect.Right - Glyphs[i].Subrect.Left;
}
serializer.Serialize(ref LineSpacing);
serializer.Serialize(ref DefaultCharacter);
var image = new BitmapData();
Bitmaps = new Bitmap[1] {new Bitmap()};
Bitmaps[0].Data = image;
serializer.Serialize(ref image.Width);
serializer.Serialize(ref image.Height);
serializer.SerializeEnum(ref image.PixelFormat);
serializer.Serialize(ref image.RowStride);
serializer.Serialize(ref image.CompressedHeight);
serializer.Serialize(ref image.Data, image.RowStride * image.CompressedHeight);
}
// Heuristic guesses what might be a good output width for a list of glyphs.
static int GuessOutputWidth(Glyph[] sourceGlyphs)
{
int maxWidth = 0;
int totalSize = 0;
foreach (Glyph glyph in sourceGlyphs)
{
maxWidth = Math.Max(maxWidth, glyph.Subrect.Width);
totalSize += glyph.Subrect.Width * glyph.Subrect.Height;
}
int width = Math.Max((int)Math.Sqrt(totalSize), maxWidth);
return MakeValidTextureSize(width, true);
}
public static void WriteSpriteFont(FontDescription options, string outputFilename, Glyph[] glyphs, float lineSpacing, Bitmap bitmap)
{
using (var stream = new NativeFileStream(outputFilename, NativeFileMode.Create, NativeFileAccess.Write))
{
WriteSpriteFont(options, stream, glyphs, lineSpacing, bitmap);
}
}
static void WriteGlyphs(BinaryWriter writer, Glyph[] glyphs)
{
writer.Write(glyphs.Length);
foreach (Glyph glyph in glyphs)
{
writer.Write((int)glyph.Character);
writer.Write(glyph.Subrect.Left);
writer.Write(glyph.Subrect.Top);
writer.Write(glyph.Subrect.Right);
writer.Write(glyph.Subrect.Bottom);
writer.Write(glyph.XOffset);
writer.Write(glyph.YOffset);
writer.Write(glyph.XAdvance);
}
}
public static void WriteSpriteFont(FontDescription options, Stream outputStream, Glyph[] glyphs, float lineSpacing, Bitmap bitmap)
{
var writer = new BinaryWriter(outputStream);
WriteMagic(writer);
writer.Write(SpriteFontData.Version);
WriteGlyphs(writer, glyphs);
writer.Write(lineSpacing);
writer.Write(options.DefaultCharacter);
WriteBitmap(writer, options, bitmap);
writer.Flush();
}
private Glyph ImportGlyph(Factory factory, FontFace fontFace, char character, FontMetrics fontMetrics, float fontSize, bool activateAntiAliasDetection)
{
var indices = fontFace.GetGlyphIndices(new int[] {character});
var metrics = fontFace.GetDesignGlyphMetrics(indices, false);
var metric = metrics[0];
var width = (float)(metric.AdvanceWidth - metric.LeftSideBearing - metric.RightSideBearing) / fontMetrics.DesignUnitsPerEm * fontSize;
var height = (float)(metric.AdvanceHeight - metric.TopSideBearing - metric.BottomSideBearing) / fontMetrics.DesignUnitsPerEm * fontSize;
var xOffset = (float)metric.LeftSideBearing / fontMetrics.DesignUnitsPerEm * fontSize;
var yOffset = (float)(metric.TopSideBearing - metric.VerticalOriginY) / fontMetrics.DesignUnitsPerEm * fontSize;
var advanceWidth = (float)(metric.AdvanceWidth) / fontMetrics.DesignUnitsPerEm * fontSize;
var advanceHeight = (float)(metric.AdvanceHeight) / fontMetrics.DesignUnitsPerEm * fontSize;
var pixelWidth = (int)Math.Ceiling(width + 2);
var pixelHeight = (int)Math.Ceiling(height + 2);
Bitmap bitmap;
if(char.IsWhiteSpace(character))
{
bitmap = new Bitmap(1, 1, PixelFormat.Format32bppArgb);
}
else
{
var glyphRun = new GlyphRun()
{
FontFace = fontFace,
Advances = new[] { (float)Math.Round(advanceWidth) },
FontSize = fontSize,
BidiLevel = 0,
Indices = indices,
IsSideways = false,
Offsets = new[] {new GlyphOffset()}
};
var matrix = SharpDX.Matrix.Identity;
matrix.M41 = -(float)Math.Floor(xOffset - 1);
matrix.M42 = -(float)Math.Floor(yOffset - 1);
RenderingMode renderingMode;
if (activateAntiAliasDetection)
{
var rtParams = new RenderingParams(factory);
renderingMode = fontFace.GetRecommendedRenderingMode(fontSize, 1.0f, MeasuringMode.Natural, rtParams);
rtParams.Dispose();
}
else
{
renderingMode = RenderingMode.Aliased;
}
using(var runAnalysis = new GlyphRunAnalysis(factory,
glyphRun,
1.0f,
matrix,
renderingMode,
MeasuringMode.Natural,
0.0f,
0.0f))
{
var bounds = new SharpDX.Rectangle(0, 0, pixelWidth, pixelHeight);
bitmap = new Bitmap(bounds.Width, bounds.Height, PixelFormat.Format32bppArgb);
if(renderingMode == RenderingMode.Aliased)
{
var texture = new byte[bounds.Width * bounds.Height];
runAnalysis.CreateAlphaTexture(TextureType.Aliased1x1, bounds, texture, texture.Length);
bitmap = new Bitmap(bounds.Width, bounds.Height, PixelFormat.Format32bppArgb);
for (int y = 0; y < bounds.Height; y++)
{
for (int x = 0; x < bounds.Width; x++)
{
int pixelX = y * bounds.Width + x;
var grey = texture[pixelX];
var color = Color.FromArgb(grey, grey, grey);
bitmap.SetPixel(x, y, color);
}
}
}
else
{
var texture = new byte[bounds.Width * bounds.Height * 3];
runAnalysis.CreateAlphaTexture(TextureType.Cleartype3x1, bounds, texture, texture.Length);
for (int y = 0; y < bounds.Height; y++)
{
for (int x = 0; x < bounds.Width; x++)
{
int pixelX = (y * bounds.Width + x) * 3;
var red = texture[pixelX];
var green = texture[pixelX + 1];
var blue = texture[pixelX + 2];
var color = Color.FromArgb(red, green, blue);
bitmap.SetPixel(x, y, color);
}
}
}
//var positionUnderline = (float)fontMetrics.UnderlinePosition / fontMetrics.DesignUnitsPerEm * fontSize;
//var positionUnderlineSize = (float)fontMetrics.UnderlineThickness / fontMetrics.DesignUnitsPerEm * fontSize;
}
}
var glyph = new Glyph(character, bitmap)
{
XOffset = (float)Math.Floor(xOffset-1),
XAdvance = (float)Math.Round(advanceWidth),
YOffset = (float)Math.Floor(yOffset-1),
};
return glyph;
}
/// <summary>
/// This method for loading/saving a font file generated from AngelCode BMFont.
/// </summary>
/// <param name="serializer">The binaryserializer to use.</param>
private void SerializeBMFFont(BinarySerializer serializer)
{
// ----------------------------------------------------------
// Read block Info (1)
// ----------------------------------------------------------
byte blockType = 1;
serializer.Serialize(ref blockType);
if (blockType != 1)
return;
// Skip Info block
int expectedBlockSize = 0;
serializer.Serialize(ref expectedBlockSize);
serializer.Stream.Seek(expectedBlockSize, SeekOrigin.Current);
// ----------------------------------------------------------
// Read block Common (2)
// ----------------------------------------------------------
serializer.Serialize(ref blockType);
if (blockType != 2)
return;
var common = new BMFCommon();
common.Serialize(serializer);
// Copy the base offset.
BaseOffset = common.Base;
LineSpacing = common.LineHeight;
// ----------------------------------------------------------
// Read block page names (3)
// ----------------------------------------------------------
serializer.Serialize(ref blockType);
if (blockType != 3)
return;
serializer.Serialize(ref expectedBlockSize);
// Create bitmap array.
Bitmaps = new Bitmap[common.PageCount];
for (int i = 0; i < Bitmaps.Length; i++)
{
string name = null;
serializer.Serialize(ref name, true);
// Store the name in data
Bitmaps[i] = new Bitmap { Data = name };
}
// ----------------------------------------------------------
// Read block glyphs (4)
// ----------------------------------------------------------
serializer.Serialize(ref blockType);
if (blockType != 4)
return;
serializer.Serialize(ref expectedBlockSize);
int countChars = expectedBlockSize/20;
var bmfGlyph = new BMFGlyph();
Glyphs = new Glyph[countChars];
for (int i = 0; i < Glyphs.Length; i++)
{
bmfGlyph.Serialize(serializer);
Glyphs[i] = new Glyph
{
Character = bmfGlyph.Id,
Subrect = new Rectangle(bmfGlyph.X, bmfGlyph.Y, bmfGlyph.Width, bmfGlyph.Height),
Offset = {X = bmfGlyph.OffsetX, Y = bmfGlyph.OffsetY},
XAdvance = bmfGlyph.AdvanceX,
BitmapIndex = bmfGlyph.PageIndex
};
}
// ----------------------------------------------------------
// Read block kernings (5) optional
// ----------------------------------------------------------
if (serializer.Stream.Position < serializer.Stream.Length)
{
// If there is still some data to read, there is probably some kernings
serializer.Serialize(ref blockType);
if (blockType != 5)
return;
serializer.Serialize(ref expectedBlockSize);
int kernelCount = expectedBlockSize/10;
Kernings = new Kerning[kernelCount];
for (int i = 0; i < Kernings.Length; i++)
{
serializer.Serialize(ref Kernings[i].First);
serializer.Serialize(ref Kernings[i].Second);
short offset = 0;
serializer.Serialize(ref offset);
Kernings[i].Offset = offset;
}
}
}
public static void WriteSpriteFont(CommandLineOptions options, Glyph[] glyphs, float lineSpacing, Bitmap bitmap)
{
using (FileStream file = File.OpenWrite(options.OutputFile))
using (BinaryWriter writer = new BinaryWriter(file))
{
WriteMagic(writer);
WriteGlyphs(writer, glyphs);
writer.Write(lineSpacing);
writer.Write(options.DefaultCharacter);
WriteBitmap(writer, options, bitmap);
}
}
private Glyph ImportGlyph(Factory factory, FontFace fontFace, char character, FontMetrics fontMetrics, float fontSize, FontAntiAliasMode antiAliasMode)
{
var indices = fontFace.GetGlyphIndices(new int[] { character });
var metrics = fontFace.GetDesignGlyphMetrics(indices, false);
var metric = metrics[0];
var width = (float)(metric.AdvanceWidth - metric.LeftSideBearing - metric.RightSideBearing) / fontMetrics.DesignUnitsPerEm * fontSize;
var height = (float)(metric.AdvanceHeight - metric.TopSideBearing - metric.BottomSideBearing) / fontMetrics.DesignUnitsPerEm * fontSize;
var xOffset = (float)metric.LeftSideBearing / fontMetrics.DesignUnitsPerEm * fontSize;
var yOffset = (float)(metric.TopSideBearing - metric.VerticalOriginY) / fontMetrics.DesignUnitsPerEm * fontSize;
var advanceWidth = (float)metric.AdvanceWidth / fontMetrics.DesignUnitsPerEm * fontSize;
var advanceHeight = (float)metric.AdvanceHeight / fontMetrics.DesignUnitsPerEm * fontSize;
var pixelWidth = (int)Math.Ceiling(width + 4);
var pixelHeight = (int)Math.Ceiling(height + 4);
var matrix = Matrix.Identity;
matrix.M41 = -(float)Math.Floor(xOffset) + 1;
matrix.M42 = -(float)Math.Floor(yOffset) + 1;
Bitmap bitmap;
if (char.IsWhiteSpace(character))
{
bitmap = new Bitmap(1, 1, PixelFormat.Format32bppArgb);
}
else
{
var glyphRun = new GlyphRun()
{
FontFace = fontFace,
Advances = new[] { (float)Math.Ceiling(advanceWidth) },
FontSize = fontSize,
BidiLevel = 0,
Indices = indices,
IsSideways = false,
Offsets = new[] { new GlyphOffset() }
};
RenderingMode renderingMode;
if (antiAliasMode != FontAntiAliasMode.Aliased)
{
var rtParams = new RenderingParams(factory);
renderingMode = fontFace.GetRecommendedRenderingMode(fontSize, 1.0f, MeasuringMode.Natural, rtParams);
rtParams.Dispose();
}
else
{
renderingMode = RenderingMode.Aliased;
}
using (var runAnalysis = new GlyphRunAnalysis(factory,
glyphRun,
1.0f,
(Matrix3x2)matrix,
renderingMode,
MeasuringMode.Natural,
0.0f,
0.0f))
{
var bounds = new SharpDX.Rectangle(0, 0, pixelWidth, pixelHeight);
bitmap = new Bitmap(bounds.Width, bounds.Height, PixelFormat.Format32bppArgb);
if (renderingMode == RenderingMode.Aliased)
{
var texture = new byte[bounds.Width * bounds.Height];
runAnalysis.CreateAlphaTexture(TextureType.Aliased1x1, bounds, texture, texture.Length);
for (int y = 0; y < bounds.Height; y++)
{
for (int x = 0; x < bounds.Width; x++)
{
int pixelX = y * bounds.Width + x;
var grey = texture[pixelX];
var color = Color.FromArgb(grey, grey, grey);
bitmap.SetPixel(x, y, color);
}
}
}
else
{
var texture = new byte[bounds.Width * bounds.Height * 3];
runAnalysis.CreateAlphaTexture(TextureType.Cleartype3x1, bounds, texture, texture.Length);
for (int y = 0; y < bounds.Height; y++)
{
for (int x = 0; x < bounds.Width; x++)
{
int pixelX = (y * bounds.Width + x) * 3;
var red = LinearToGamma(texture[pixelX]);
var green = LinearToGamma(texture[pixelX + 1]);
var blue = LinearToGamma(texture[pixelX + 2]);
var color = Color.FromArgb(red, green, blue);
bitmap.SetPixel(x, y, color);
}
}
}
}
}
var glyph = new Glyph(character, bitmap)
{
XOffset = -matrix.M41,
XAdvance = advanceWidth,
YOffset = -matrix.M42,
};
return(glyph);
}
/// <summary>
/// This method for loading/saving a font file generated from AngelCode BMFont.
/// </summary>
/// <param name="serializer">The binaryserializer to use.</param>
private void SerializeBMFFont(BinarySerializer serializer)
{
// ----------------------------------------------------------
// Read block Info (1)
// ----------------------------------------------------------
byte blockType = 1;
serializer.Serialize(ref blockType);
if (blockType != 1)
{
return;
}
// Skip Info block
int expectedBlockSize = 0;
serializer.Serialize(ref expectedBlockSize);
serializer.Stream.Seek(expectedBlockSize, SeekOrigin.Current);
// ----------------------------------------------------------
// Read block Common (2)
// ----------------------------------------------------------
serializer.Serialize(ref blockType);
if (blockType != 2)
{
return;
}
var common = new BMFCommon();
common.Serialize(serializer);
// Copy the base offset.
BaseOffset = common.Base;
LineSpacing = common.LineHeight;
// ----------------------------------------------------------
// Read block page names (3)
// ----------------------------------------------------------
serializer.Serialize(ref blockType);
if (blockType != 3)
{
return;
}
serializer.Serialize(ref expectedBlockSize);
// Create bitmap array.
Bitmaps = new Bitmap[common.PageCount];
for (int i = 0; i < Bitmaps.Length; i++)
{
string name = null;
serializer.Serialize(ref name, true);
// Store the name in data
Bitmaps[i] = new Bitmap {
Data = name
};
}
// ----------------------------------------------------------
// Read block glyphs (4)
// ----------------------------------------------------------
serializer.Serialize(ref blockType);
if (blockType != 4)
{
return;
}
serializer.Serialize(ref expectedBlockSize);
int countChars = expectedBlockSize / 20;
var bmfGlyph = new BMFGlyph();
Glyphs = new Glyph[countChars];
for (int i = 0; i < Glyphs.Length; i++)
{
bmfGlyph.Serialize(serializer);
Glyphs[i] = new Glyph
{
Character = bmfGlyph.Id,
Subrect = new Rectangle(bmfGlyph.X, bmfGlyph.Y, bmfGlyph.Width, bmfGlyph.Height),
Offset = { X = bmfGlyph.OffsetX, Y = bmfGlyph.OffsetY },
XAdvance = bmfGlyph.AdvanceX,
BitmapIndex = bmfGlyph.PageIndex
};
}
// ----------------------------------------------------------
// Read block kernings (5) optional
// ----------------------------------------------------------
if (serializer.Stream.Position < serializer.Stream.Length)
{
// If there is still some data to read, there is probably some kernings
serializer.Serialize(ref blockType);
if (blockType != 5)
{
return;
}
serializer.Serialize(ref expectedBlockSize);
int kernelCount = expectedBlockSize / 10;
Kernings = new Kerning[kernelCount];
for (int i = 0; i < Kernings.Length; i++)
{
serializer.Serialize(ref Kernings[i].First);
serializer.Serialize(ref Kernings[i].Second);
short offset = 0;
serializer.Serialize(ref offset);
Kernings[i].Offset = offset;
}
}
}
