static void SetFontKerningItem(SerializedProperty item, BitmapCharKerning kerning)
{
//data prop map< pair<ushort,ushort>,float >
item.Next(true);
//Debug.Log(item.name + "[" + item.depth + "]" + "," + item.type + "," + item.hasChildren);
//key pair <ushort,ushort> first,second
item.Next(true);
//前面都是内部数据，跳过
//Debug.Log(item.name + "[" + item.depth + "]" + "," + item.type + "," + item.hasChildren);
//key first
item.Next(true);
//Debug.Log(item.name + "[" + item.depth + "]" + "," + item.type + "," + item.hasChildren);
item.intValue = kerning.firstChar;
//key second
item.Next(true);
//Debug.Log(item.name + "[" + item.depth + "]" + "," + item.type + "," + item.hasChildren);
item.intValue = kerning.secondChar;
//second
item.Next(true);
//Debug.Log(item.name + "[" + item.depth + "]" + "," + item.type + "," + item.hasChildren);
item.floatValue = kerning.amount;
}
/* .fnt parser taken from
*
*/
static BitmapFont UpdateBitmapFont(string path, BitmapFont fnt)
{
XmlDocument doc = new XmlDocument();
doc.Load(path);
//Read font info
XmlNode info = doc.SelectSingleNode("/font/info");
fnt.Size = ReadFloatAttribute(info, "size");
XmlNode common = doc.SelectSingleNode("/font/common");
fnt.LineHeight = ReadFloatAttribute(common, "lineHeight");
fnt.Base = ReadFloatAttribute(common, "base");
fnt.ScaleH = ReadFloatAttribute(common, "scaleW");
fnt.ScaleW = ReadFloatAttribute(common, "scaleH");
//Read character info
XmlNodeList chars = doc.SelectNodes("/font/chars/char");
fnt.Chars = new BitmapChar[chars.Count];
int index = 0;
foreach (XmlNode char_node in chars)
{
fnt.Chars[index] = new BitmapChar();
fnt.Chars[index].Id = ReadIntAttribute(char_node, "id");
fnt.Chars[index].Position = ReadVector2Attributes(char_node, "x", "y");
fnt.Chars[index].Size = ReadVector2Attributes(char_node, "width", "height");
fnt.Chars[index].Offset = ReadVector2Attributes(char_node, "xoffset", "yoffset");
fnt.Chars[index].XAdvance = ReadFloatAttribute(char_node, "xadvance");
fnt.Chars[index].Page = ReadIntAttribute(char_node, "page");
index++;
}
//Load texture pages and convert to distance fields
XmlNodeList pages = doc.SelectNodes("/font/pages/page");
Texture2D[] texturePages = new Texture2D[pages.Count];
index = 0;
foreach (XmlNode page in pages)
{
//Find original font texture
string imagePath = System.IO.Path.GetDirectoryName(path) + "/" + page.Attributes["file"].Value;
Texture2D inputTexture = (Texture2D)AssetDatabase.LoadAssetAtPath(imagePath, typeof(Texture2D));
//Make sure font texture is readable
TextureImporter inputTextureImp = (TextureImporter)TextureImporter.GetAtPath(imagePath);
inputTextureImp.textureType = TextureImporterType.Advanced;
inputTextureImp.isReadable = true;
inputTextureImp.maxTextureSize = 4096;
AssetDatabase.ImportAsset(imagePath, ImportAssetOptions.ForceSynchronousImport);
//Create distance field from texture
Texture2D distanceField = DistanceField.CreateDistanceFieldTexture(inputTexture, InputTextureChannel, inputTexture.width / DistanceFieldScaleFactor);
texturePages[index] = distanceField;
index++;
}
//Create texture atlas
Texture2D pageAtlas = new Texture2D(0, 0);
fnt.PageOffsets = pageAtlas.PackTextures(texturePages, 0);
//Save atlas as png
byte[] pngData = pageAtlas.EncodeToPNG();
string outputPath = path.Substring(0, path.LastIndexOf('.')) + "_dist.png";
System.IO.File.WriteAllBytes(outputPath, pngData);
AssetDatabase.ImportAsset(outputPath, ImportAssetOptions.ForceSynchronousImport);
//Set correct texture format
TextureImporter texImp = (TextureImporter)TextureImporter.GetAtPath(outputPath);
texImp.textureType = TextureImporterType.Advanced;
texImp.isReadable = true;
texImp.textureFormat = TextureImporterFormat.Alpha8;
AssetDatabase.ImportAsset(outputPath, ImportAssetOptions.ForceSynchronousImport);
//Load the saved texture atlas
fnt.PageAtlas = (Texture2D)AssetDatabase.LoadAssetAtPath(outputPath, typeof(Texture2D));
//Load kerning info
XmlNodeList kernings = doc.SelectNodes("/font/kernings/kerning");
fnt.Kernings = new BitmapCharKerning[kernings.Count];
index = 0;
foreach (XmlNode kerning in kernings)
{
BitmapCharKerning krn = new BitmapCharKerning();
krn.FirstChar = ReadIntAttribute(kerning, "first");
krn.SecondChar = ReadIntAttribute(kerning, "second");
krn.Amount = ReadFloatAttribute(kerning, "amount");
fnt.Kernings[index] = krn;
index++;
}
return(fnt);
}
/* .fnt parser taken from
*
*/
static BitmapFont UpdateBitmapFont(string path, BitmapFont fnt)
{
XmlDocument doc = new XmlDocument();
doc.Load(path);
//Read font info
XmlNode info = doc.SelectSingleNode("/font/info");
fnt.Size = ReadFloatAttribute(info, "size");
XmlNode common = doc.SelectSingleNode("/font/common");
fnt.LineHeight = ReadFloatAttribute(common, "lineHeight");
fnt.Base = ReadFloatAttribute(common, "base");
fnt.ScaleH = ReadFloatAttribute(common, "scaleW");
fnt.ScaleW = ReadFloatAttribute(common, "scaleH");
//Read character info
XmlNodeList chars = doc.SelectNodes("/font/chars/char");
fnt.Chars = new BitmapChar[chars.Count];
int index = 0;
foreach (XmlNode char_node in chars)
{
fnt.Chars[index] = new BitmapChar();
fnt.Chars[index].Id = ReadIntAttribute(char_node, "id");
fnt.Chars[index].Position = ReadVector2Attributes(char_node, "x", "y");
fnt.Chars[index].Size = ReadVector2Attributes(char_node, "width", "height");
fnt.Chars[index].Offset = ReadVector2Attributes(char_node, "xoffset", "yoffset");
fnt.Chars[index].XAdvance = ReadFloatAttribute(char_node, "xadvance");
fnt.Chars[index].Page = ReadIntAttribute(char_node, "page");
index++;
}
//Load texture pages and convert to distance fields
XmlNodeList pages = doc.SelectNodes("/font/pages/page");
Texture2D[] texturePages = new Texture2D[pages.Count];
index = 0;
foreach (XmlNode page in pages)
{
//Find original font texture
string imagePath = System.IO.Path.GetDirectoryName(path) + "/" + page.Attributes["file"].Value;
Texture2D inputTexture = (Texture2D)AssetDatabase.LoadAssetAtPath(imagePath, typeof(Texture2D));
//Make sure font texture is readable
TextureImporter inputTextureImp = (TextureImporter)TextureImporter.GetAtPath(imagePath);
inputTextureImp.textureType = TextureImporterType.Advanced;
inputTextureImp.isReadable = true;
inputTextureImp.maxTextureSize = 4096;
AssetDatabase.ImportAsset(imagePath, ImportAssetOptions.ForceSynchronousImport);
//Create distance field from texture
Texture2D distanceField = DistanceField.CreateDistanceFieldTexture(inputTexture, InputTextureChannel, inputTexture.width / DistanceFieldScaleFactor);
texturePages[index] = distanceField;
index++;
}
//Create texture atlas
Texture2D pageAtlas = new Texture2D(0, 0);
fnt.PageOffsets = pageAtlas.PackTextures(texturePages, 0);
//Save atlas as png
byte[] pngData = pageAtlas.EncodeToPNG();
string outputPath = path.Substring(0, path.LastIndexOf('.')) + "_dist.png";
System.IO.File.WriteAllBytes(outputPath, pngData);
AssetDatabase.ImportAsset(outputPath, ImportAssetOptions.ForceSynchronousImport);
//Set correct texture format
TextureImporter texImp = (TextureImporter)TextureImporter.GetAtPath(outputPath);
texImp.textureType = TextureImporterType.Advanced;
texImp.isReadable = true;
texImp.textureFormat = TextureImporterFormat.Alpha8;
AssetDatabase.ImportAsset(outputPath, ImportAssetOptions.ForceSynchronousImport);
//Load the saved texture atlas
fnt.PageAtlas = (Texture2D)AssetDatabase.LoadAssetAtPath(outputPath, typeof(Texture2D));
//Load kerning info
XmlNodeList kernings = doc.SelectNodes("/font/kernings/kerning");
fnt.Kernings = new BitmapCharKerning[kernings.Count];
index = 0;
foreach (XmlNode kerning in kernings)
{
BitmapCharKerning krn = new BitmapCharKerning();
krn.FirstChar = ReadIntAttribute(kerning, "first");
krn.SecondChar = ReadIntAttribute(kerning, "second");
krn.Amount = ReadFloatAttribute(kerning, "amount");
fnt.Kernings[index] = krn;
index++;
}
return fnt;
}
