internal void WriteGlyphList(Dictionary <ushort, CacheBmp> glyphs)
{
_writer.Write((ushort)ObjectKind.GlyphList);
//total number
int totalNum = glyphs.Count;
#if DEBUG
if (totalNum >= ushort.MaxValue)
{
throw new NotSupportedException();
}
#endif
_writer.Write((ushort)totalNum);
//
foreach (CacheBmp g in glyphs.Values)
{
//1. code point
_writer.Write((ushort)g.imgIndex);
//2. area, left,top,width,height
_writer.Write((ushort)g.area.Left);
_writer.Write((ushort)g.area.Top);
_writer.Write((ushort)g.area.Width);
_writer.Write((ushort)g.area.Height);
//3. texture offset
AtlasItemImage img = g.img;
_writer.Write((short)img.TextureOffsetX); //short
_writer.Write((short)img.TextureOffsetY); //short
}
}
/// <summary>
/// add or replace
/// </summary>
/// <param name="imgIndex"></param>
/// <param name="img"></param>
public void AddAtlasItemImage(ushort imgIndex, AtlasItemImage img)
{
var cache = new CacheBmp();
cache.imgIndex = imgIndex;
cache.img = img;
_items[imgIndex] = cache;
}
public MySimpleGLBitmapAtlasManager(TextureKind textureKind)
: base(textureKind)
{
SetLoadNewBmpDel(atlas =>
{
//create new one
AtlasItemImage totalGlyphImg = atlas.TotalImg;
//load to glbmp
GLBitmap found = new GLBitmap(totalGlyphImg.Bitmap, false);
found.IsYFlipped = false;
return(found);
});
}
/// <summary>
/// get from cache or create a new one
/// </summary>
/// <param name="reqFont"></param>
/// <returns></returns>
public SimpleBitmaptAtlas GetBitmapAtlas(string atlasName, out B outputBitmap)
{
#if DEBUG
_dbugStopWatch.Reset();
_dbugStopWatch.Start();
#endif
if (!_createdAtlases.TryGetValue(atlasName, out SimpleBitmaptAtlas foundAtlas))
{
//check from pre-built cache (if availiable)
string fontTextureInfoFile = atlasName + ".info";
string fontTextureImgFilename = atlasName + ".png";
//check if the file exist
if (StorageService.Provider.DataExists(fontTextureInfoFile) &&
StorageService.Provider.DataExists(fontTextureImgFilename))
{
SimpleBitmapAtlasBuilder atlasBuilder = new SimpleBitmapAtlasBuilder();
using (System.IO.Stream dataStream = StorageService.Provider.ReadDataStream(fontTextureInfoFile))
using (System.IO.Stream fontImgStream = StorageService.Provider.ReadDataStream(fontTextureImgFilename))
{
try
{
foundAtlas = atlasBuilder.LoadAtlasInfo(dataStream);
PixelFarm.CpuBlit.MemBitmap memBmp = PixelFarm.CpuBlit.MemBitmap.LoadBitmap(fontImgStream);
AtlasItemImage atlasImg = new AtlasItemImage(memBmp.Width, memBmp.Height); //TODO: review new .ctor
atlasImg.SetBitmap(memBmp, false);
foundAtlas.TotalImg = atlasImg;
_createdAtlases.Add(atlasName, foundAtlas);
}
catch (Exception ex)
{
throw ex;
}
}
}
}
outputBitmap = _loadAtlases.GetOrCreateNewOne(foundAtlas);
return(foundAtlas);
}
