public SimpleBitmapAtlasBuilder CreateTextureFontFromInputChars(
Typeface typeface, float sizeInPoint,
TextureKind textureKind,
char[] chars,
OnEachGlyph onEachGlyphDel = null)
{
_onEachGlyphDel = onEachGlyphDel;
//convert input chars into glyphIndex
List <ushort> glyphIndices = new List <ushort>(chars.Length);
int i = 0;
foreach (char ch in chars)
{
glyphIndices.Add(typeface.GetGlyphIndex(ch));
i++;
}
//-------------------------------------------------------------
var atlasBuilder = new SimpleBitmapAtlasBuilder();
atlasBuilder.SetAtlasInfo(textureKind, sizeInPoint);
//-------------------------------------------------------------
//we can specfic subset with special setting for each set
CreateTextureFontFromGlyphIndices(typeface, sizeInPoint,
HintTechnique.TrueTypeInstruction_VerticalOnly, atlasBuilder, GetUniqueGlyphIndexList(glyphIndices));
_onEachGlyphDel = null;//reset
return(atlasBuilder);
}
public GlyphNotFoundHelper(
SimpleBitmapAtlasBuilder atlasBuilder,
GlyphOutlineBuilder outlineBuilder,
OnEachGlyph onEachGlyphDel,
AggGlyphTextureGen aggTextureGen, float sizeInPoints)
{
_atlasBuilder = atlasBuilder;
_outlineBuilder = outlineBuilder;
_onEachGlyphDel = onEachGlyphDel;
_aggTextureGen = aggTextureGen;
_sizeInPoints = sizeInPoints;
}
/// <summary>
/// get from cache or create a new one
/// </summary>
/// <param name="reqFont"></param>
/// <returns></returns>
public SimpleBitmapAtlas GetBitmapAtlas(string atlasName, out B outputBitmap)
{
#if DEBUG
_dbugStopWatch.Reset();
_dbugStopWatch.Start();
#endif
if (!_createdAtlases.TryGetValue(atlasName, out SimpleBitmapAtlas foundAtlas))
{
//check from pre-built cache (if availiable)
string textureInfoFile = atlasName + ".info";
string textureImgFilename = atlasName + ".png";
//check if the file exist
if (StorageService.Provider.DataExists(textureInfoFile) &&
StorageService.Provider.DataExists(textureImgFilename))
{
SimpleBitmapAtlasBuilder atlasBuilder = new SimpleBitmapAtlasBuilder();
using (System.IO.Stream fontAtlasTextureInfo = StorageService.Provider.ReadDataStream(textureInfoFile))
using (System.IO.Stream fontImgStream = StorageService.Provider.ReadDataStream(textureImgFilename))
{
try
{
List <SimpleBitmapAtlas> atlasList = atlasBuilder.LoadAtlasInfo(fontAtlasTextureInfo);
foundAtlas = atlasList[0];
foundAtlas.SetMainBitmap(MemBitmap.LoadBitmap(fontImgStream), true);
_createdAtlases.Add(atlasName, foundAtlas);
}
catch (Exception ex)
{
throw ex;
}
}
}
}
if (foundAtlas != null)
{
outputBitmap = _loadAtlases.GetOrCreateNewOne(foundAtlas);
return(foundAtlas);
}
else
{
#if DEBUG
//show warning about this
System.Diagnostics.Debug.WriteLine("not found atlas:" + atlasName);
#endif
outputBitmap = default(B);
return(null);
}
}
public SimpleBitmapAtlasBuilder CreateTextureFontFromBuildDetail(
Typeface typeface, float sizeInPoint,
TextureKind textureKind,
GlyphTextureBuildDetail[] details,
OnEachGlyph onEachGlyphDel = null)
{
_onEachGlyphDel = onEachGlyphDel;
//-------------------------------------------------------------
var atlasBuilder = new SimpleBitmapAtlasBuilder();
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,
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.OnlySelectedGlyphIndices
);
}
}
_onEachGlyphDel = null;//reset
return(atlasBuilder);
}
void CreateTextureFontFromGlyphIndices(
HintTechnique hintTechnique,
SimpleBitmapAtlasBuilder atlasBuilder,
char[] chars)
{
int j = chars.Length;
ushort[] glyphIndices = new ushort[j];
for (int i = 0; i < j; ++i)
{
glyphIndices[i] = _typeface.GetGlyphIndex(chars[i]);
}
CreateTextureFontFromGlyphIndices(hintTechnique, atlasBuilder, glyphIndices);
}
public void RegisterBitmapAtlas(string atlasName, byte[] atlasInfoBuffer, byte[] totalImgBuffer)
{
//direct register atlas
//instead of loading it from file
if (!_createdAtlases.ContainsKey(atlasName))
{
SimpleBitmapAtlasBuilder atlasBuilder = new SimpleBitmapAtlasBuilder();
using (System.IO.Stream fontAtlasTextureInfo = new MemoryStream(atlasInfoBuffer))
using (System.IO.Stream fontImgStream = new MemoryStream(totalImgBuffer))
{
try
{
List <SimpleBitmapAtlas> atlasList = atlasBuilder.LoadAtlasInfo(fontAtlasTextureInfo);
SimpleBitmapAtlas foundAtlas = atlasList[0];
foundAtlas.SetMainBitmap(MemBitmap.LoadBitmap(fontImgStream), true);
_createdAtlases.Add(atlasName, foundAtlas);
}
catch (Exception ex)
{
throw ex;
}
}
}
}
void CreateTextureFontFromGlyphIndices(
Typeface typeface,
float sizeInPoint,
HintTechnique hintTechnique,
SimpleBitmapAtlasBuilder atlasBuilder,
ushort[] glyphIndices)
{
//sample: create sample msdf texture
//-------------------------------------------------------------
var outlineBuilder = new GlyphOutlineBuilder(typeface);
outlineBuilder.SetHintTechnique(hintTechnique);
//
if (atlasBuilder.TextureKind == TextureKind.Msdf)
{
float pxscale = typeface.CalculateScaleToPixelFromPointSize(sizeInPoint);
var msdfGenParams = new Msdfgen.MsdfGenParams();
int j = glyphIndices.Length;
if (MsdfGenVersion == 3)
{
Msdfgen.MsdfGen3 gen3 = new Msdfgen.MsdfGen3();
for (int i = 0; i < j; ++i)
{
ushort gindex = glyphIndices[i];
//create picture with unscaled version set scale=-1
//(we will create glyph contours and analyze them)
outlineBuilder.BuildFromGlyphIndex(gindex, -1);
var glyphToVxs = new GlyphTranslatorToVxs();
outlineBuilder.ReadShapes(glyphToVxs);
using (Tools.BorrowVxs(out var vxs))
{
glyphToVxs.WriteUnFlattenOutput(vxs, pxscale);
BitmapAtlasItemSource glyphImg = gen3.GenerateMsdfTexture(vxs);
glyphImg.UniqueInt16Name = gindex;
_onEachGlyphDel?.Invoke(glyphImg);
//
atlasBuilder.AddItemSource(glyphImg);
}
}
}
else
{
Msdfgen.MsdfGen3 gen3 = new Msdfgen.MsdfGen3();
for (int i = 0; i < j; ++i)
{
ushort gindex = glyphIndices[i];
//create picture with unscaled version set scale=-1
//(we will create glyph contours and analyze them)
outlineBuilder.BuildFromGlyphIndex(gindex, -1);
var glyphToVxs = new GlyphTranslatorToVxs();
outlineBuilder.ReadShapes(glyphToVxs);
using (Tools.BorrowVxs(out var vxs))
{
glyphToVxs.WriteUnFlattenOutput(vxs, pxscale);
BitmapAtlasItemSource glyphImg = gen3.GenerateMsdfTexture(vxs);
glyphImg.UniqueInt16Name = gindex;
_onEachGlyphDel?.Invoke(glyphImg);
atlasBuilder.AddItemSource(glyphImg);
}
}
}
}
else
{
AggGlyphTextureGen aggTextureGen = new AggGlyphTextureGen();
aggTextureGen.TextureKind = atlasBuilder.TextureKind;
//create reusable agg painter***
//assume each glyph size= 2 * line height
//TODO: review here again...
int tmpMemBmpHeight = (int)(2 * typeface.CalculateRecommendLineSpacing() * typeface.CalculateScaleToPixelFromPointSize(sizeInPoint));
//create glyph img
using (PixelFarm.CpuBlit.MemBitmap tmpMemBmp = new PixelFarm.CpuBlit.MemBitmap(tmpMemBmpHeight, tmpMemBmpHeight)) //square
{
//draw a glyph into tmpMemBmp and then copy to a GlyphImage
aggTextureGen.Painter = PixelFarm.CpuBlit.AggPainter.Create(tmpMemBmp);
#if DEBUG
tmpMemBmp._dbugNote = "CreateGlyphImage()";
#endif
int j = glyphIndices.Length;
for (int i = 0; i < j; ++i)
{
//build glyph
ushort gindex = glyphIndices[i];
outlineBuilder.BuildFromGlyphIndex(gindex, sizeInPoint);
BitmapAtlasItemSource glyphImg = aggTextureGen.CreateAtlasItem(outlineBuilder, 1);
glyphImg.UniqueInt16Name = gindex;
_onEachGlyphDel?.Invoke(glyphImg);
atlasBuilder.AddItemSource(glyphImg);
}
}
}
}
/// <summary>
/// get from cache or create a new one
/// </summary>
/// <param name="reqFont"></param>
/// <returns></returns>
public SimpleBitmapAtlas GetFontAtlas(RequestFont reqFont, out B outputBitmap)
{
#if DEBUG
_dbugStopWatch.Reset();
_dbugStopWatch.Start();
#endif
int fontKey = reqFont.FontKey;
if (_createdAtlases.TryGetValue(fontKey, out SimpleBitmapAtlas fontAtlas))
{
outputBitmap = _loadAtlases.GetOrCreateNewOne(fontAtlas);
return(fontAtlas);
}
//check if we have small msdf texture or not
if (_msdfTextureFonts.TryGetValue(reqFont.Name, out SimpleBitmapAtlas msdfTexture))
{
//use this
outputBitmap = _loadAtlases.GetOrCreateNewOne(msdfTexture);
return(msdfTexture);
}
//--------------------------------
//check from pre-built cache (if availiable)
Typeface resolvedTypeface = _textServices.ResolveTypeface(reqFont);
string fontTextureFile = reqFont.Name + "_" + fontKey;
string resolveFontFile = fontTextureFile + ".info";
string fontTextureInfoFile = resolveFontFile;
string fontTextureImgFilename = fontTextureInfoFile + ".png";
if (StorageService.Provider.DataExists(fontTextureInfoFile) &&
StorageService.Provider.DataExists(fontTextureImgFilename))
{
//check local caching, if found then load-> create it
SimpleBitmapAtlasBuilder atlasBuilder = new SimpleBitmapAtlasBuilder();
lock (s_loadDataLock)
{
using (System.IO.Stream textureInfoFileStream = StorageService.Provider.ReadDataStream(fontTextureInfoFile))
using (System.IO.Stream fontAtlasImgStream = StorageService.Provider.ReadDataStream(fontTextureImgFilename))
{
try
{
//TODO: review here
fontAtlas = atlasBuilder.LoadAtlasInfo(textureInfoFileStream)[0];
fontAtlas.SetMainBitmap(ReadGlyphImages(fontAtlasImgStream), true);
fontAtlas.OriginalFontSizePts = reqFont.SizeInPoints;
_createdAtlases.Add(fontKey, fontAtlas);
}
catch (Exception ex)
{
throw ex;
}
}
}
}
else
{
//-------------
//if not found the request font
//we generate it realtime here, (add add the cache '_createdAtlases')
//-------------
//1. create glyph-texture-bitmap generator
var glyphTextureGen = new GlyphTextureBitmapGenerator();
//2. generate the glyphs
SimpleBitmapAtlasBuilder atlasBuilder = glyphTextureGen.CreateTextureFontFromBuildDetail(
resolvedTypeface,
reqFont.SizeInPoints,
TextureKindForNewFont,
GlyphTextureCustomConfigs.TryGetGlyphTextureBuildDetail(reqFont, false, false)
);
//3. set information before write to font-info
atlasBuilder.FontFilename = reqFont.Name;//TODO: review here, check if we need 'filename' or 'fontname'
atlasBuilder.FontKey = reqFont.FontKey;
atlasBuilder.SpaceCompactOption = SimpleBitmapAtlasBuilder.CompactOption.ArrangeByHeight;
//4. merge all glyph in the builder into a single image
PixelFarm.CpuBlit.MemBitmap totalGlyphsImg = atlasBuilder.BuildSingleImage(true);
//-------------------------------------------------------------
//5. create a simple font atlas from information inside this atlas builder.
fontAtlas = atlasBuilder.CreateSimpleBitmapAtlas();
fontAtlas.SetMainBitmap(totalGlyphsImg, true);
#if DEBUG
//save glyph image for debug
//PixelFarm.Agg.ActualImage.SaveImgBufferToPngFile(
// totalGlyphsImg.GetImageBuffer(),
// totalGlyphsImg.Width * 4,
// totalGlyphsImg.Width, totalGlyphsImg.Height,
// "total_" + reqFont.Name + "_" + reqFont.SizeInPoints + ".png");
////save image to cache
totalGlyphsImg.SaveImage(fontTextureImgFilename);
#endif
//6. cache this in the memory,
_createdAtlases.Add(fontKey, fontAtlas);
//
////calculate some commonly used values
//fontAtlas.SetTextureScaleInfo(
// resolvedTypeface.CalculateScaleToPixelFromPointSize(fontAtlas.OriginalFontSizePts),
// resolvedTypeface.CalculateScaleToPixelFromPointSize(reqFont.SizeInPoints));
////TODO: review here, use scaled or unscaled values
//fontAtlas.SetCommonFontMetricValues(
// resolvedTypeface.Ascender,
// resolvedTypeface.Descender,
// resolvedTypeface.LineGap,
// resolvedTypeface.CalculateRecommendLineSpacing());
///
#if DEBUG
_dbugStopWatch.Stop();
System.Diagnostics.Debug.WriteLine("build font atlas: " + _dbugStopWatch.ElapsedMilliseconds + " ms");
#endif
//TODO: review here again
//save font info to local disk cache
using (System.IO.MemoryStream ms = new System.IO.MemoryStream())
{
atlasBuilder.SaveAtlasInfo(ms);
StorageService.Provider.SaveData(fontTextureInfoFile, ms.ToArray());
#if DEBUG
//write temp debug info
#if !__MOBILE__
System.IO.File.WriteAllBytes(fontTextureInfoFile, ms.ToArray());
System.IO.File.WriteAllText(fontTextureInfoFile + ".txt", reqFont.Name + ",size" + reqFont.SizeInPoints + "pts");
#endif
#endif
}
}
outputBitmap = _loadAtlases.GetOrCreateNewOne(fontAtlas);
return(fontAtlas);
}
public void CreateTextureFontFromBuildDetail(
SimpleBitmapAtlasBuilder atlasBuilder,
Typeface typeface,
float sizeInPoint,
TextureKind textureKind,
GlyphTextureBuildDetail[] details,
OnEachGlyph onEachGlyphDel = null)
{
_onEachGlyphDel = onEachGlyphDel;
SetCurrentFontInfo(typeface, sizeInPoint);
//-------------------------------------------------------------
atlasBuilder.SetAtlasInfo(textureKind, _currentDPI);
atlasBuilder.SetAtlasFontInfo(typeface.Name, sizeInPoint);
//-------------------------------------------------------------
int j = details.Length;
for (int i = 0; i < j; ++i)
{
GlyphTextureBuildDetail detail = details[i];
if (detail.AllGlyphs)
{
//all
int count = typeface.GlyphCount;
ushort[] glyphIndexList = new ushort[count];
for (ushort m = 0; m < count; ++m)
{
glyphIndexList[m] = m;
}
CreateTextureFontFromGlyphIndices(
detail.HintTechnique,
atlasBuilder,
glyphIndexList
);
}
else if (!detail.ScriptLang.IsEmpty())
{
//skip those script lang=null
//2. find associated glyph index base on input script langs
atlasBuilder.ScriptTags.Add(detail.ScriptLang.scriptTag);
List <ushort> outputGlyphIndexList = new List <ushort>();
typeface.CollectAllAssociateGlyphIndex(outputGlyphIndexList, detail.ScriptLang);
CreateTextureFontFromGlyphIndices(
detail.HintTechnique,
atlasBuilder,
GetUniqueGlyphIndexList(outputGlyphIndexList)
);
}
else
{
//??
}
}
for (int i = 0; i < j; ++i)
{
GlyphTextureBuildDetail detail = details[i];
if (detail.OnlySelectedChars != null)
{
//skip those script lang=null
//2. find associated glyph index base on input script langs
CreateTextureFontFromGlyphIndices(
detail.HintTechnique,
atlasBuilder,
detail.OnlySelectedChars
);
}
}
_onEachGlyphDel = null;//reset
}
void CreateTextureFontFromGlyphIndices(
HintTechnique hintTechnique,
SimpleBitmapAtlasBuilder atlasBuilder,
ushort[] glyphIndices)
{
//sample: create sample msdf texture
//-------------------------------------------------------------
var outlineBuilder = new GlyphOutlineBuilder(_typeface);
outlineBuilder.SetHintTechnique(hintTechnique);
//
AggGlyphTextureGen aggTextureGen = new AggGlyphTextureGen();
GlyphNotFoundHelper glyphNotFoundHelper = new GlyphNotFoundHelper(atlasBuilder,
outlineBuilder,
_onEachGlyphDel,
aggTextureGen,
_sizeInPoints);
//create reusable agg painter***
//assume each glyph size= 2 * line height
//TODO: review here again...
//please note that DPI effect glyph size //***
int tmpMemBmpHeight = (int)(2 * _typeface.CalculateRecommendLineSpacing() * _px_scale);
//
if (atlasBuilder.TextureKind == TextureKind.Msdf)
{
var msdfGenParams = new Msdfgen.MsdfGenParams();
int j = glyphIndices.Length;
if (MsdfGenVersion == 3)
{
Msdfgen.MsdfGen3 gen3 = new Msdfgen.MsdfGen3();
for (int i = 0; i < j; ++i)
{
ushort gindex = glyphIndices[i];
//create picture with unscaled version set scale=-1
//(we will create glyph contours and analyze them)
var glyphToVxs = new GlyphTranslatorToVxs();
outlineBuilder.BuildFromGlyphIndex(gindex, -1, glyphToVxs);
using (Tools.BorrowVxs(out var vxs))
{
glyphToVxs.WriteUnFlattenOutput(vxs, _px_scale);
BitmapAtlasItemSource glyphImg = gen3.GenerateMsdfTexture(vxs);
glyphImg.UniqueInt16Name = gindex;
_onEachGlyphDel?.Invoke(glyphImg);
//
atlasBuilder.AddItemSource(glyphImg);
}
}
}
else
{
//use gen3
Msdfgen.MsdfGen3 gen3 = new Msdfgen.MsdfGen3();
for (int i = 0; i < j; ++i)
{
ushort gindex = glyphIndices[i];
//create picture with unscaled version set scale=-1
//(we will create glyph contours and analyze them)
var glyphToVxs = new GlyphTranslatorToVxs();
outlineBuilder.BuildFromGlyphIndex(gindex, -1, glyphToVxs);
using (Tools.BorrowVxs(out var vxs))
{
glyphToVxs.WriteUnFlattenOutput(vxs, _px_scale);
BitmapAtlasItemSource glyphImg = gen3.GenerateMsdfTexture(vxs);
glyphImg.UniqueInt16Name = gindex;
_onEachGlyphDel?.Invoke(glyphImg);
atlasBuilder.AddItemSource(glyphImg);
}
}
}
return;
}
else if (atlasBuilder.TextureKind == TextureKind.Bitmap)
{
//generate color bitmap atlas
int j = glyphIndices.Length;
GlyphMeshStore glyphMeshStore = new GlyphMeshStore();
glyphMeshStore.SetFont(_typeface, _sizeInPoints);
aggTextureGen.TextureKind = TextureKind.Bitmap;
using (PixelFarm.CpuBlit.MemBitmap tmpMemBmp = new PixelFarm.CpuBlit.MemBitmap(tmpMemBmpHeight, tmpMemBmpHeight)) //square
{
aggTextureGen.Painter = PixelFarm.CpuBlit.AggPainter.Create(tmpMemBmp);
#if DEBUG
tmpMemBmp._dbugNote = "CreateGlyphImage()";
#endif
if (_typeface.HasColorTable())
{
//outline glyph
for (int i = 0; i < j; ++i)
{
ushort gindex = glyphIndices[i];
if (!_typeface.COLRTable.LayerIndices.TryGetValue(gindex, out ushort colorLayerStart))
{
//not found, then render as normal
//TODO: impl
//create glyph img
glyphNotFoundHelper.HandleNotFoundGlyph(gindex);
}
else
{
//TODO: review this again
GlyphBitmap glyphBmp = GetGlyphBitmapFromColorOutlineGlyph(gindex, glyphMeshStore, colorLayerStart);
if (glyphBmp == null)
{
glyphNotFoundHelper.HandleNotFoundGlyph(gindex);
}
else
{
int w = glyphBmp.Width;
int h = glyphBmp.Height;
BitmapAtlasItemSource glyphImage = new BitmapAtlasItemSource(glyphBmp.Width, glyphBmp.Height);
glyphImage.TextureXOffset = (short)glyphBmp.ImageStartX;
glyphImage.TextureYOffset = (short)glyphBmp.ImageStartY;
//
glyphImage.SetImageBuffer(MemBitmapExt.CopyImgBuffer(glyphBmp.Bitmap, w, h, true), false);
glyphImage.UniqueInt16Name = gindex;
_onEachGlyphDel?.Invoke(glyphImage);
atlasBuilder.AddItemSource(glyphImage);
//clear
glyphBmp.Bitmap.Dispose();
glyphBmp.Bitmap = null;
}
}
}
}
else if (_typeface.IsBitmapFont)
{
aggTextureGen.TextureKind = TextureKind.Bitmap;
//test this with Noto Color Emoji
for (int i = 0; i < j; ++i)
{
ushort gindex = glyphIndices[i];
GlyphBitmap glyphBmp = GetGlyphBitmapFromBitmapFont(gindex);
if (glyphBmp == null)
{
glyphNotFoundHelper.HandleNotFoundGlyph(gindex);
}
else
{
int w = glyphBmp.Width;
int h = glyphBmp.Height;
BitmapAtlasItemSource glyphImage = new BitmapAtlasItemSource(glyphBmp.Width, glyphBmp.Height);
glyphImage.TextureXOffset = (short)glyphBmp.ImageStartX;
glyphImage.TextureYOffset = (short)glyphBmp.ImageStartY;
//
glyphImage.SetImageBuffer(MemBitmapExt.CopyImgBuffer(glyphBmp.Bitmap, w, h, true), false);
glyphImage.UniqueInt16Name = gindex;
_onEachGlyphDel?.Invoke(glyphImage);
atlasBuilder.AddItemSource(glyphImage);
//clear
glyphBmp.Bitmap.Dispose();
glyphBmp.Bitmap = null;
}
}
}
else if (_typeface.HasSvgTable())
{
aggTextureGen.TextureKind = TextureKind.Bitmap;
//test this with TwitterEmoji
//generate membitmap from svg
#if DEBUG
System.Diagnostics.Stopwatch sw1 = new System.Diagnostics.Stopwatch();
sw1.Start();
#endif
for (int i = 0; i < j; ++i)
{
//TODO: add mutli-threads / async version
ushort gindex = glyphIndices[i];
GlyphBitmap glyphBmp = GetGlyphBitmapFromSvg(gindex);
if (glyphBmp == null)
{
glyphNotFoundHelper.HandleNotFoundGlyph(gindex);
}
else
{
int w = glyphBmp.Width;
int h = glyphBmp.Height;
BitmapAtlasItemSource glyphImage = new BitmapAtlasItemSource(glyphBmp.Width, glyphBmp.Height);
glyphImage.TextureXOffset = (short)glyphBmp.ImageStartX;
glyphImage.TextureYOffset = (short)glyphBmp.ImageStartY;
//
glyphImage.SetImageBuffer(MemBitmapExt.CopyImgBuffer(glyphBmp.Bitmap, w, h, true), false);
glyphImage.UniqueInt16Name = gindex;
_onEachGlyphDel?.Invoke(glyphImage);
atlasBuilder.AddItemSource(glyphImage);
//clear
glyphBmp.Bitmap.Dispose();
glyphBmp.Bitmap = null;
}
}
#if DEBUG
sw1.Stop();
long ms = sw1.ElapsedMilliseconds;
#endif
}
return; //NO go below //***
} //END using
}
//---------------------------
//OTHERS....
{
aggTextureGen.TextureKind = atlasBuilder.TextureKind;
//create glyph img
using (PixelFarm.CpuBlit.MemBitmap tmpMemBmp = new PixelFarm.CpuBlit.MemBitmap(tmpMemBmpHeight, tmpMemBmpHeight)) //square
{
//draw a glyph into tmpMemBmp and then copy to a GlyphImage
aggTextureGen.Painter = PixelFarm.CpuBlit.AggPainter.Create(tmpMemBmp);
#if DEBUG
tmpMemBmp._dbugNote = "CreateGlyphImage()";
#endif
int j = glyphIndices.Length;
for (int i = 0; i < j; ++i)
{
//build glyph
ushort gindex = glyphIndices[i];
outlineBuilder.BuildFromGlyphIndex(gindex, _sizeInPoints);
BitmapAtlasItemSource glyphImg = aggTextureGen.CreateAtlasItem(outlineBuilder, 1);
glyphImg.UniqueInt16Name = gindex;
_onEachGlyphDel?.Invoke(glyphImg);
atlasBuilder.AddItemSource(glyphImg);
}
}
}
}