private void button4_Click(object sender, EventArgs e) { string fontfilename = "d:\\WImageTest\\a_total.xml"; var atlasBuilder = new Typography.Rendering.SimpleFontAtlasBuilder(); SimpleFontAtlas fontAtlas = atlasBuilder.LoadFontInfo(fontfilename); using (Bitmap totalImg = new Bitmap("d:\\WImageTest\\a_total.png")) { var bmpdata = totalImg.LockBits(new System.Drawing.Rectangle(0, 0, totalImg.Width, totalImg.Height), System.Drawing.Imaging.ImageLockMode.ReadWrite, totalImg.PixelFormat); var buffer = new int[totalImg.Width * totalImg.Height]; System.Runtime.InteropServices.Marshal.Copy(bmpdata.Scan0, buffer, 0, buffer.Length); totalImg.UnlockBits(bmpdata); var glyImage = new GlyphImage(totalImg.Width, totalImg.Height); glyImage.SetImageBuffer(buffer, false); fontAtlas.TotalGlyph = glyImage; } }
/// <summary> /// get from cache or create a new one /// </summary> /// <param name="reqFont"></param> /// <returns></returns> public SimpleFontAtlas GetFontAtlas(RequestFont reqFont, out B outputBitmap) { #if DEBUG _dbugStopWatch.Reset(); _dbugStopWatch.Start(); #endif int fontKey = reqFont.FontKey; SimpleFontAtlas fontAtlas; if (!_createdAtlases.TryGetValue(fontKey, out fontAtlas)) { //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"; //check if the file exist if (StorageService.Provider.DataExists(fontTextureInfoFile) && StorageService.Provider.DataExists(fontTextureImgFilename)) { SimpleFontAtlasBuilder atlasBuilder = new SimpleFontAtlasBuilder(); using (System.IO.Stream dataStream = StorageService.Provider.ReadDataStream(fontTextureInfoFile)) { try { fontAtlas = atlasBuilder.LoadFontInfo(dataStream); fontAtlas.TotalGlyph = ReadGlyphImages(fontTextureImgFilename); fontAtlas.OriginalFontSizePts = reqFont.SizeInPoints; _createdAtlases.Add(fontKey, fontAtlas); } catch (Exception ex) { throw ex; } } } else { GlyphImage totalGlyphsImg = null; SimpleFontAtlasBuilder atlasBuilder = null; var glyphTextureGen = new GlyphTextureBitmapGenerator(); glyphTextureGen.CreateTextureFontBuildDetail( resolvedTypeface, reqFont.SizeInPoints, _textureKind, GlyphTextureCustomConfigs.TryGetGlyphTextureBuildDetail(reqFont), (glyphIndex, glyphImage, outputAtlasBuilder) => { if (outputAtlasBuilder != null) { //finish atlasBuilder = outputAtlasBuilder; } } ); atlasBuilder.SpaceCompactOption = SimpleFontAtlasBuilder.CompactOption.ArrangeByHeight; totalGlyphsImg = atlasBuilder.BuildSingleImage(); //if (reqFont.SizeInPoints == 14 && cacheImg != null) //{ // totalGlyphsImg = cacheImg; //} //totalGlyphsImg = Sharpen(totalGlyphsImg, 1); //test shapen primary image //- // //create atlas fontAtlas = atlasBuilder.CreateSimpleFontAtlas(); fontAtlas.TotalGlyph = totalGlyphsImg; #if DEBUG //save glyph image for debug //PixelFarm.Agg.ActualImage.SaveImgBufferToPngFile( // totalGlyphsImg.GetImageBuffer(), // totalGlyphsImg.Width * 4, // totalGlyphsImg.Width, totalGlyphsImg.Height, // "d:\\WImageTest\\total_" + reqFont.Name + "_" + reqFont.SizeInPoints + ".png"); ////save image to cache SaveImgBufferToFile(totalGlyphsImg, fontTextureImgFilename); #endif //cache the atlas _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 //save font info to cache using (System.IO.MemoryStream ms = new System.IO.MemoryStream()) { atlasBuilder.SaveFontInfo(ms); //System.IO.File.WriteAllBytes(fontTextureInfoFile, ms.ToArray()); StorageService.Provider.SaveData(fontTextureInfoFile, ms.ToArray()); #if DEBUG //write temp debug info System.IO.File.WriteAllText(fontTextureInfoFile + ".txt", reqFont.Name + ",size" + reqFont.SizeInPoints + "pts"); #endif } } } outputBitmap = _loadedGlyphs.GetOrCreateNewOne(fontAtlas); return(fontAtlas); }