public void CreateTextureFontFromInputChars(
Typeface typeface, float sizeInPoint,
TextureKind textureKind,
char[] chars,
OnEachFinishTotal onFinishTotal)
{
//convert input chars into glyphIndex
List <ushort> glyphIndices = new List <ushort>(chars.Length);
int i = 0;
foreach (char ch in chars)
{
glyphIndices.Add(typeface.LookupIndex(ch));
i++;
}
//-------------------------------------------------------------
var atlasBuilder = new SimpleFontAtlasBuilder();
atlasBuilder.SetAtlasInfo(textureKind, sizeInPoint);
//-------------------------------------------------------------
//we can specfic subset with special setting for each set
CreateTextureFontFromGlyphIndices(typeface, sizeInPoint,
HintTechnique.TrueTypeInstruction_VerticalOnly, atlasBuilder, false, GetUniqueGlyphIndexList(glyphIndices));
onFinishTotal(0, null, atlasBuilder);
}
public void CreateTextureFontFromScriptLangs(
Typeface typeface, float sizeInPoint,
TextureKind textureKind,
GlyphTextureBuildDetail[] details,
OnEachFinishTotal onFinishTotal)
{
//-------------------------------------------------------------
var atlasBuilder = new SimpleFontAtlasBuilder();
atlasBuilder.SetAtlasInfo(textureKind, sizeInPoint);
//-------------------------------------------------------------
int j = details.Length;
for (int i = 0; i < j; ++i)
{
GlyphTextureBuildDetail detail = details[i];
if (detail.ScriptLang != null)
{
//skip those script lang=null
//2. find associated glyph index base on input script langs
List <ushort> outputGlyphIndexList = new List <ushort>();
typeface.CollectAllAssociateGlyphIndex(outputGlyphIndexList, detail.ScriptLang);
CreateTextureFontFromGlyphIndices(typeface,
sizeInPoint,
detail.HintTechnique,
atlasBuilder,
detail.DoFilter,
GetUniqueGlyphIndexList(outputGlyphIndexList)
);
}
}
for (int i = 0; i < j; ++i)
{
GlyphTextureBuildDetail detail = details[i];
if (detail.OnlySelectedGlyphIndices != null)
{
//skip those script lang=null
//2. find associated glyph index base on input script langs
CreateTextureFontFromGlyphIndices(typeface,
sizeInPoint,
detail.HintTechnique,
atlasBuilder,
detail.DoFilter,
detail.OnlySelectedGlyphIndices
);
}
}
onFinishTotal(0, null, atlasBuilder);
}
public void CreateTextureFontFromInputChars(
Typeface typeface, float sizeInPoint,
TextureKind textureKind,
char[] chars, OnEachFinishTotal onFinishTotal)
{
//convert input chars into glyphIndex
List <ushort> glyphIndices = new List <ushort>(chars.Length);
int i = 0;
foreach (char ch in chars)
{
glyphIndices.Add(typeface.LookupIndex(ch));
i++;
}
CreateTextureFontFromGlyphIndices(typeface, sizeInPoint, textureKind, GetUniqueGlyphIndexList(glyphIndices), onFinishTotal);
}
public void CreateTextureFontFromScriptLangs(
Typeface typeface, float sizeInPoint,
TextureKind textureKind,
ScriptLang[] scLangs,
OnEachFinishTotal onFinishTotal)
{
//2. find associated glyph index base on input script langs
List <ushort> outputGlyphIndexList = new List <ushort>();
//
foreach (ScriptLang scLang in scLangs)
{
typeface.CollectAllAssociateGlyphIndex(outputGlyphIndexList, scLang);
}
//
CreateTextureFontFromGlyphIndices(typeface, sizeInPoint, textureKind, GetUniqueGlyphIndexList(outputGlyphIndexList), onFinishTotal);
}
void CreateTextureFontFromGlyphIndices(
Typeface typeface,
float sizeInPoint,
TextureKind textureKind,
ushort[] glyphIndices, OnEachFinishTotal onFinishTotal)
{
if (onFinishTotal == null)
{
return;
}
//sample: create sample msdf texture
//-------------------------------------------------------------
var builder = new GlyphPathBuilder(typeface);
builder.UseTrueTypeInstructions = this.UseTrueTypeInstruction;
//-------------------------------------------------------------
var atlasBuilder = new SimpleFontAtlasBuilder();
atlasBuilder.SetAtlasInfo(textureKind, sizeInPoint);
//-------------------------------------------------------------
//
MsdfGenParams msdfGenParams = null;
AggGlyphTextureGen aggTextureGen = null;
if (textureKind == TextureKind.Msdf)
{
msdfGenParams = new MsdfGenParams();
}
else
{
aggTextureGen = new AggGlyphTextureGen();
}
float pxscale = typeface.CalculateScaleToPixelFromPointSize(sizeInPoint);
int j = glyphIndices.Length;
for (int i = 0; i < j; ++i)
{
//build glyph
ushort gindex = glyphIndices[i];
builder.BuildFromGlyphIndex(gindex, -1);
GlyphImage glyphImg = null;
if (textureKind == TextureKind.Msdf)
{
var glyphToContour = new GlyphContourBuilder();
//glyphToContour.Read(builder.GetOutputPoints(), builder.GetOutputContours());
builder.ReadShapes(glyphToContour);
msdfGenParams.shapeScale = 1f / 64; //as original
glyphImg = MsdfGlyphGen.CreateMsdfImage(glyphToContour, msdfGenParams);
}
else
{
//create alpha channel texture
aggTextureGen.TextureKind = textureKind;
glyphImg = aggTextureGen.CreateGlyphImage(builder, pxscale);
}
//
atlasBuilder.AddGlyph(gindex, glyphImg);
onFinishTotal(gindex, glyphImg, null);
}
onFinishTotal(0, null, atlasBuilder);
}
