/// <summary>
/// 根据<paramref name="charInfoDict"/>等信息把各个字形写入一个大的位图并返回之。
/// </summary>
/// <param name="face"></param>
/// <param name="fontHeight"></param>
/// <param name="firstChar"></param>
/// <param name="lastChar"></param>
/// <param name="maxTextureWidth"></param>
/// <param name="charInfoDict"></param>
/// <param name="textureWidth"></param>
/// <param name="textureHeight"></param>
/// <returns></returns>
private static IEnumerable <TTFTextureYeildingState> GetBigBitmap(
FreeTypeFace face, int fontHeight, int maxTextureWidth,
char firstChar, char lastChar,
Dictionary <char, CharacterInfo> charInfoDict, int textureWidth, int textureHeight)
{
int count = lastChar - firstChar;
int index = 0;
System.Drawing.Bitmap bigBitmap = new System.Drawing.Bitmap(textureWidth, textureHeight);
Graphics graphics = Graphics.FromImage(bigBitmap);
for (char c = firstChar; c <= lastChar; c++)
{
FreeTypeBitmapGlyph glyph = new FreeTypeBitmapGlyph(face, c, fontHeight);
int size = glyph.obj.bitmap.width * glyph.obj.bitmap.rows;
{
bool zeroBuffer = glyph.obj.bitmap.buffer == IntPtr.Zero;
if ((size == 0) && (!zeroBuffer))
{
throw new Exception(string.Format("glyph size({0}) for non zero buffer({1})", 0, glyph.obj.bitmap.buffer));
}
if ((size != 0) && zeroBuffer)
{
throw new Exception(string.Format("glyph size({0}) for zero buffer({1})", size, glyph.obj.bitmap.buffer));
}
}
byte[] byteBitmap = null;
if ((c == ' ') && (size == 0))
{
size = charInfoDict[' '].width * charInfoDict[' '].height;
byteBitmap = new byte[size];
}
else if ((c == '\t') && (size == 0))
{
size = charInfoDict['\t'].width * charInfoDict['\t'].height;
byteBitmap = new byte[size];
}
else if (size != 0)
{
byteBitmap = new byte[size];
Marshal.Copy(glyph.obj.bitmap.buffer, byteBitmap, 0, byteBitmap.Length);
}
if (size != 0)
{
CharacterInfo cInfo;
if (charInfoDict.TryGetValue(c, out cInfo))
{
if (cInfo.width > 0 && cInfo.height > 0)
{
System.Drawing.Imaging.PixelFormat format = System.Drawing.Imaging.PixelFormat.Format32bppRgb;
System.Drawing.Imaging.ImageLockMode lockMode = System.Drawing.Imaging.ImageLockMode.WriteOnly;
System.Drawing.Bitmap bitmap = new System.Drawing.Bitmap(cInfo.width, cInfo.height, format);
Rectangle bitmapRect = new Rectangle(0, 0, bitmap.Width, bitmap.Height);
System.Drawing.Imaging.BitmapData bmpData = bitmap.LockBits(bitmapRect, lockMode, format);
int length = Math.Abs(bmpData.Stride) * bitmap.Height;
byte[] bitmapBytes = new byte[length];
for (int row = 0; row < cInfo.height; row++)
{
for (int col = 0; col < cInfo.width; col++)
{
byte color = byteBitmap[row * cInfo.width + col];
bitmapBytes[row * bmpData.Stride + col * 4 + 0] = color;
bitmapBytes[row * bmpData.Stride + col * 4 + 1] = color;
bitmapBytes[row * bmpData.Stride + col * 4 + 2] = color;
//bitmapBytes[row * bmpData.Stride + col * 4 + 3] = color;
}
}
System.Runtime.InteropServices.Marshal.Copy(bitmapBytes, 0, bmpData.Scan0, length);
bitmap.UnlockBits(bmpData);
//int baseLine = fontHeight * 3 / 4 + 4;
//graphics.DrawImage(bitmap, cInfo.xoffset, cInfo.yoffset + baseLine - glyph.obj.top);
int skyHeight = fontHeight * 3 / 4 - glyph.obj.top;
if (skyHeight < 0)
{
skyHeight = 0;
}
graphics.DrawImage(bitmap, cInfo.xoffset, cInfo.yoffset + skyHeight);
}
}
else
{
throw new Exception(string.Format("Not support for display the char [{0}]", c));
}
}
if (c == char.MaxValue)
{
break;
}
yield return(new TTFTextureYeildingState()
{
percent = index++ *100 / count,
message = c.ToString(),//string.Format("print glyph for [{0}]", c),
});
}
graphics.Dispose();
yield return(new TTFTextureYeildingState()
{
percent = index++ *100 / count,
bigBitmap = bigBitmap,
message = "texture is ready",
});
}
/// <summary>
/// 根据<paramref name="firstChar"/>等信息获取要制作的贴图的宽高和各个字形的位置信息。
/// </summary>
/// <param name="face"></param>
/// <param name="fontHeight"></param>
/// <param name="firstChar"></param>
/// <param name="lastChar"></param>
/// <param name="maxTextureWidth"></param>
/// <param name="charInfoDict"></param>
/// <param name="textureWidth"></param>
/// <param name="textureHeight"></param>
private static IEnumerable <TTFTextureYeildingState> GetTextureBlueprint(
FreeTypeFace face, int fontHeight, int maxTextureWidth, char firstChar, char lastChar)
{
int count = lastChar - firstChar;
int index = 0;
var charInfoDict = new Dictionary <char, CharacterInfo>();
int textureWidth = 0;
int textureHeight = fontHeight;
int glyphXOffset = 0;
int glyphYOffset = 0;
for (char c = firstChar; c <= lastChar; c++)
{
FreeTypeBitmapGlyph glyph = new FreeTypeBitmapGlyph(face, c, fontHeight);
{
var rect = glyph.glyphRec;
var glyphChar = glyph.glyphChar;
var left = glyph.obj.left;
var top = glyph.obj.top;
var x = glyph.obj.root.advance.x >> 6;
var y = glyph.obj.root.advance.y >> 6;
var clazz = glyph.obj.root.clazz;
var format = glyph.obj.root.format;
var library = glyph.obj.root.library;
var num_grays = glyph.obj.bitmap.num_grays;
var palette = glyph.obj.bitmap.palette;
var palette_mode = glyph.obj.bitmap.palette_mode;
var pitch = glyph.obj.bitmap.pitch;
var pixel_mode = glyph.obj.bitmap.pixel_mode;
}
bool zeroSize = (glyph.obj.bitmap.rows == 0 && glyph.obj.bitmap.width == 0);
{
bool zeroBuffer = glyph.obj.bitmap.buffer == IntPtr.Zero;
if (zeroSize && (!zeroBuffer))
{
throw new Exception();
}
if ((!zeroSize) && zeroBuffer)
{
throw new Exception();
}
}
int glyphWidth = glyph.obj.bitmap.width;
int glyphHeight = glyph.obj.bitmap.rows;
if (c == ' ' && zeroSize)// 空格需要特殊处理
{
zeroSize = false;
FreeTypeBitmapGlyph tabGlyph = new FreeTypeBitmapGlyph(face, ' ', fontHeight);
glyphWidth = tabGlyph.obj.bitmap.width / 8;
if (glyphWidth < 1)
{
glyphWidth = fontHeight / 3;
}
glyphHeight = tabGlyph.obj.bitmap.rows;
if (glyphHeight < 1)
{
glyphHeight = 1;
}
}
else if (c == '\t' && zeroSize)// tab可能需要特殊处理
{
zeroSize = false;
glyphWidth = glyph.obj.bitmap.width;
if (glyphWidth < 1)
{
glyphWidth = fontHeight * 2;
}
glyphHeight = glyph.obj.bitmap.rows;
if (glyphHeight < 1)
{
glyphHeight = 1;
}
}
if (!zeroSize)
{
if (glyphXOffset + glyphWidth + 1 <= maxTextureWidth)
{
textureWidth = Math.Max(textureWidth, glyphXOffset + glyphWidth + 1);
}
else// 此字形将超出最大宽度，所以要换行。
{
textureHeight += fontHeight;
glyphXOffset = 0;
glyphYOffset = textureHeight - fontHeight;
}
CharacterInfo cInfo = new CharacterInfo();
cInfo.xoffset = glyphXOffset; cInfo.yoffset = glyphYOffset;
cInfo.width = glyphWidth; cInfo.height = glyphHeight;
charInfoDict.Add(c, cInfo);
glyphXOffset += glyphWidth + 1;
}
if (c == char.MaxValue)
{
break;
}
yield return(new TTFTextureYeildingState()
{
percent = index++ *100 / count,
//message = "generating blueprint",
message = "blueprint",
});
}
yield return(new TTFTextureYeildingState()
{
percent = index++ *100 / count,
dict = charInfoDict,
textureWidth = textureWidth,
textureHeight = textureHeight,
message = "blueprint done",
});
}
/// <summary>
/// 根据<paramref name="firstChar"/>等信息获取要制作的贴图的宽高和各个字形的位置信息。
/// </summary>
/// <param name="face"></param>
/// <param name="fontHeight"></param>
/// <param name="firstChar"></param>
/// <param name="lastChar"></param>
/// <param name="maxTextureWidth"></param>
/// <param name="charInfoDict"></param>
/// <param name="textureWidth"></param>
/// <param name="textureHeight"></param>
private static void GetTextureBlueprint(FreeTypeFace face, int fontHeight, int maxTextureWidth,
char firstChar, char lastChar,
out Dictionary<char, CharacterInfo> charInfoDict, out int textureWidth, out int textureHeight)
{
charInfoDict = new Dictionary<char, CharacterInfo>();
textureWidth = 0;
textureHeight = fontHeight;
int glyphXOffset = 0;
int glyphYOffset = 0;
for (char c = firstChar; c <= lastChar; c++)
{
FreeTypeBitmapGlyph glyph = new FreeTypeBitmapGlyph(face, c, fontHeight);
bool zeroSize = (glyph.obj.bitmap.rows == 0 && glyph.obj.bitmap.width == 0);
{
bool zeroBuffer = glyph.obj.bitmap.buffer == IntPtr.Zero;
if (zeroSize && (!zeroBuffer)) { throw new Exception(); }
if ((!zeroSize) && zeroBuffer) { throw new Exception(); }
}
int glyphWidth = glyph.obj.bitmap.width;
int glyphHeight = glyph.obj.bitmap.rows;
if (c == ' ' && zeroSize)// 空格需要特殊处理
{
zeroSize = false;
FreeTypeBitmapGlyph tabGlyph = new FreeTypeBitmapGlyph(face, '\t', fontHeight);
glyphWidth = tabGlyph.obj.bitmap.width / 8;
if (glyphWidth < 1) { glyphWidth = fontHeight / 2; }
glyphHeight = tabGlyph.obj.bitmap.rows;
//if (glyphHeight < 1) { glyphHeight = 1; }
}
else if (c == '\t' && zeroSize)// tab可能需要特殊处理
{
zeroSize = false;
glyphWidth = glyph.obj.bitmap.width;
if (glyphWidth < 1) { glyphWidth = fontHeight * 2; }
glyphHeight = glyph.obj.bitmap.rows;
//if (glyphHeight < 1) { glyphHeight = 1; }
}
if (!zeroSize)
{
if (glyphXOffset + glyphWidth + 1 <= maxTextureWidth)
{
textureWidth = Math.Max(textureWidth, glyphXOffset + glyphWidth + 1);
}
else// 此字形将超出最大宽度，所以要换行。
{
textureHeight += fontHeight;
glyphXOffset = 0;
glyphYOffset = textureHeight - fontHeight;
}
CharacterInfo cInfo = new CharacterInfo();
cInfo.xoffset = glyphXOffset; cInfo.yoffset = glyphYOffset;
cInfo.width = glyphWidth; cInfo.height = glyphHeight;
charInfoDict.Add(c, cInfo);
glyphXOffset += glyphWidth + 1;
}
if (c == char.MaxValue) { break; }
}
}
/// <summary>
/// 根据<paramref name="charInfoDict"/>等信息把各个字形写入一个大的位图并返回之。
/// </summary>
/// <param name="face"></param>
/// <param name="fontHeight"></param>
/// <param name="firstChar"></param>
/// <param name="lastChar"></param>
/// <param name="maxTextureWidth"></param>
/// <param name="charInfoDict"></param>
/// <param name="widthOfTexture"></param>
/// <param name="heightOfTexture"></param>
/// <returns></returns>
private static System.Drawing.Bitmap GetBigBitmap(FreeTypeFace face, int fontHeight, int maxTextureWidth,
char firstChar, char lastChar,
Dictionary<char, CharacterInfo> charInfoDict,
int widthOfTexture, int heightOfTexture)
{
System.Drawing.Bitmap bigBitmap = new System.Drawing.Bitmap(widthOfTexture, heightOfTexture);
Graphics graphics = Graphics.FromImage(bigBitmap);
for (char c = firstChar; c <= lastChar; c++)
{
FreeTypeBitmapGlyph glyph = new FreeTypeBitmapGlyph(face, c, fontHeight);
int size = glyph.obj.bitmap.width * glyph.obj.bitmap.rows;
{
bool zeroBuffer = glyph.obj.bitmap.buffer == IntPtr.Zero;
if ((size == 0) && (!zeroBuffer)) { throw new Exception(string.Format("glyph size({0}) for non zero buffer({1})", 0, glyph.obj.bitmap.buffer)); }
if ((size != 0) && zeroBuffer) { throw new Exception(string.Format("glyph size({0}) for zero buffer({1})", size, glyph.obj.bitmap.buffer)); }
}
byte[] byteBitmap = null;
if ((c == ' ') && (size == 0))
{
size = charInfoDict[' '].width * charInfoDict[' '].height;
byteBitmap = new byte[size];
}
else if ((c == '\t') && (size == 0))
{
size = charInfoDict['\t'].width * charInfoDict['\t'].height;
byteBitmap = new byte[size];
}
else if (size != 0)
{
byteBitmap = new byte[size];
Marshal.Copy(glyph.obj.bitmap.buffer, byteBitmap, 0, byteBitmap.Length);
}
if (size != 0)
{
CharacterInfo cInfo;
if (charInfoDict.TryGetValue(c, out cInfo))
{
if (cInfo.width > 0 && cInfo.height > 0)
{
System.Drawing.Imaging.PixelFormat format = System.Drawing.Imaging.PixelFormat.Format32bppRgb;
System.Drawing.Imaging.ImageLockMode lockMode = System.Drawing.Imaging.ImageLockMode.WriteOnly;
System.Drawing.Bitmap bitmap = new System.Drawing.Bitmap(cInfo.width, cInfo.height, format);
Rectangle bitmapRect = new Rectangle(0, 0, bitmap.Width, bitmap.Height);
System.Drawing.Imaging.BitmapData bmpData = bitmap.LockBits(bitmapRect, lockMode, format);
int length = Math.Abs(bmpData.Stride) * bitmap.Height;
byte[] bitmapBytes = new byte[length];
for (int row = 0; row < cInfo.height; row++)
{
for (int col = 0; col < cInfo.width; col++)
{
byte color = byteBitmap[row * cInfo.width + col];
bitmapBytes[row * bmpData.Stride + col * 4 + 0] = color;
bitmapBytes[row * bmpData.Stride + col * 4 + 1] = color;
bitmapBytes[row * bmpData.Stride + col * 4 + 2] = color;
//bitmapBytes[row * bmpData.Stride + col * 4 + 3] = color;
}
}
System.Runtime.InteropServices.Marshal.Copy(bitmapBytes, 0, bmpData.Scan0, length);
bitmap.UnlockBits(bmpData);
//int baseLine = fontHeight * 3 / 4 + 4;
//graphics.DrawImage(bitmap, cInfo.xoffset, cInfo.yoffset + baseLine - glyph.obj.top);
int skyHeight = fontHeight * 3 / 4 - glyph.obj.top;
if (skyHeight < 0) { skyHeight = 0; }
graphics.DrawImage(bitmap, cInfo.xoffset, cInfo.yoffset + skyHeight);
}
}
else
{ throw new Exception(string.Format("Not support for display the char [{0}]", c)); }
}
if (c == char.MaxValue) { break; }
}
graphics.Dispose();
return bigBitmap;
}
/// <summary>
/// 根据<paramref name="firstChar"/>等信息获取要制作的贴图的宽高和各个字形的位置信息。
/// </summary>
/// <param name="face"></param>
/// <param name="fontHeight"></param>
/// <param name="firstChar"></param>
/// <param name="lastChar"></param>
/// <param name="maxTextureWidth"></param>
/// <param name="charInfoDict"></param>
/// <param name="textureWidth"></param>
/// <param name="textureHeight"></param>
private static void GetTextureBlueprint(FreeTypeFace face, int fontHeight, int maxTextureWidth,
char firstChar, char lastChar,
out Dictionary <char, CharacterInfo> charInfoDict, out int textureWidth, out int textureHeight)
{
charInfoDict = new Dictionary <char, CharacterInfo>();
textureWidth = 0;
textureHeight = fontHeight;
int glyphXOffset = 0;
int glyphYOffset = 0;
for (char c = firstChar; c <= lastChar; c++)
{
FreeTypeBitmapGlyph glyph = new FreeTypeBitmapGlyph(face, c, fontHeight);
bool zeroSize = (glyph.obj.bitmap.rows == 0 && glyph.obj.bitmap.width == 0);
{
bool zeroBuffer = glyph.obj.bitmap.buffer == IntPtr.Zero;
if (zeroSize && (!zeroBuffer))
{
throw new Exception();
}
if ((!zeroSize) && zeroBuffer)
{
throw new Exception();
}
}
int glyphWidth = glyph.obj.bitmap.width;
int glyphHeight = glyph.obj.bitmap.rows;
if (c == ' ' && zeroSize)// 空格需要特殊处理
{
zeroSize = false;
FreeTypeBitmapGlyph tabGlyph = new FreeTypeBitmapGlyph(face, '\t', fontHeight);
glyphWidth = tabGlyph.obj.bitmap.width / 8;
if (glyphWidth < 1)
{
glyphWidth = fontHeight / 2;
}
glyphHeight = tabGlyph.obj.bitmap.rows;
//if (glyphHeight < 1) { glyphHeight = 1; }
}
else if (c == '\t' && zeroSize)// tab可能需要特殊处理
{
zeroSize = false;
glyphWidth = glyph.obj.bitmap.width;
if (glyphWidth < 1)
{
glyphWidth = fontHeight * 2;
}
glyphHeight = glyph.obj.bitmap.rows;
//if (glyphHeight < 1) { glyphHeight = 1; }
}
if (!zeroSize)
{
if (glyphXOffset + glyphWidth + 1 <= maxTextureWidth)
{
textureWidth = Math.Max(textureWidth, glyphXOffset + glyphWidth + 1);
}
else// 此字形将超出最大宽度，所以要换行。
{
textureHeight += fontHeight;
glyphXOffset = 0;
glyphYOffset = textureHeight - fontHeight;
}
CharacterInfo cInfo = new CharacterInfo();
cInfo.xoffset = glyphXOffset; cInfo.yoffset = glyphYOffset;
cInfo.width = glyphWidth; cInfo.height = glyphHeight;
charInfoDict.Add(c, cInfo);
glyphXOffset += glyphWidth + 1;
}
if (c == char.MaxValue)
{
break;
}
}
}
/// <summary>
/// 根据<paramref name="firstChar"/>等信息获取要制作的贴图的宽高和各个字形的位置信息。
/// </summary>
/// <param name="face"></param>
/// <param name="fontHeight"></param>
/// <param name="firstChar"></param>
/// <param name="lastChar"></param>
/// <param name="maxTextureWidth"></param>
/// <param name="charInfoDict"></param>
/// <param name="textureWidth"></param>
/// <param name="textureHeight"></param>
private static IEnumerable<TTFTextureYeildingState> GetTextureBlueprint(
FreeTypeFace face, int fontHeight, int maxTextureWidth, char firstChar, char lastChar)
{
int count = lastChar - firstChar;
int index = 0;
var charInfoDict = new Dictionary<char, CharacterInfo>();
int textureWidth = 0;
int textureHeight = fontHeight;
int glyphXOffset = 0;
int glyphYOffset = 0;
for (char c = firstChar; c <= lastChar; c++)
{
FreeTypeBitmapGlyph glyph = new FreeTypeBitmapGlyph(face, c, fontHeight);
{
var rect = glyph.glyphRec;
var glyphChar = glyph.glyphChar;
var left = glyph.obj.left;
var top = glyph.obj.top;
var x = glyph.obj.root.advance.x >> 6;
var y = glyph.obj.root.advance.y >> 6;
var clazz = glyph.obj.root.clazz;
var format = glyph.obj.root.format;
var library = glyph.obj.root.library;
var num_grays = glyph.obj.bitmap.num_grays;
var palette = glyph.obj.bitmap.palette;
var palette_mode = glyph.obj.bitmap.palette_mode;
var pitch = glyph.obj.bitmap.pitch;
var pixel_mode = glyph.obj.bitmap.pixel_mode;
}
bool zeroSize = (glyph.obj.bitmap.rows == 0 && glyph.obj.bitmap.width == 0);
{
bool zeroBuffer = glyph.obj.bitmap.buffer == IntPtr.Zero;
if (zeroSize && (!zeroBuffer)) { throw new Exception(); }
if ((!zeroSize) && zeroBuffer) { throw new Exception(); }
}
int glyphWidth = glyph.obj.bitmap.width;
int glyphHeight = glyph.obj.bitmap.rows;
if (c == ' ' && zeroSize)// 空格需要特殊处理
{
zeroSize = false;
FreeTypeBitmapGlyph tabGlyph = new FreeTypeBitmapGlyph(face, ' ', fontHeight);
glyphWidth = tabGlyph.obj.bitmap.width / 8;
if (glyphWidth < 1) { glyphWidth = fontHeight / 3; }
glyphHeight = tabGlyph.obj.bitmap.rows;
if (glyphHeight < 1) { glyphHeight = 1; }
}
else if (c == '\t' && zeroSize)// tab可能需要特殊处理
{
zeroSize = false;
glyphWidth = glyph.obj.bitmap.width;
if (glyphWidth < 1) { glyphWidth = fontHeight * 2; }
glyphHeight = glyph.obj.bitmap.rows;
if (glyphHeight < 1) { glyphHeight = 1; }
}
if (!zeroSize)
{
if (glyphXOffset + glyphWidth + 1 <= maxTextureWidth)
{
textureWidth = Math.Max(textureWidth, glyphXOffset + glyphWidth + 1);
}
else// 此字形将超出最大宽度，所以要换行。
{
textureHeight += fontHeight;
glyphXOffset = 0;
glyphYOffset = textureHeight - fontHeight;
}
CharacterInfo cInfo = new CharacterInfo();
cInfo.xoffset = glyphXOffset; cInfo.yoffset = glyphYOffset;
cInfo.width = glyphWidth; cInfo.height = glyphHeight;
charInfoDict.Add(c, cInfo);
glyphXOffset += glyphWidth + 1;
}
if (c == char.MaxValue) { break; }
yield return new TTFTextureYeildingState()
{
percent = index++ * 100 / count,
//message = "generating blueprint",
message = "blueprint",
};
}
yield return new TTFTextureYeildingState()
{
percent = index++ * 100 / count,
dict = charInfoDict,
textureWidth = textureWidth,
textureHeight = textureHeight,
message = "blueprint done",
};
}