Esempio n. 1
0
        private static void Worker_Open(object sender, DoWorkEventArgs e)
        {
            var          Worker = (BackgroundWorker)sender;
            var          Input  = (Stream)e.Argument;
            StructReader Reader = new StructReader(Input);

            if (Reader.PeekInt() != 0x414E46)
            {
                throw new Exception("The Input file isn't a FNA File");
            }

            FNAHeader FontInfo = new FNAHeader();

            Reader.ReadStruct(ref FontInfo);

            if (FontInfo.Version != 0)
            {
                throw new Exception("Unsupported FNA Version");
            }

            int LastReportedProgress = -1;
            int Current = 0;
            int Steps   = (from a in FontInfo.Fonts select(from b in a.Tables select b.Gylphs.Length).Sum()).Sum();

            for (int a = 0; a < FontInfo.Fonts.Length; a++)
            {
                ref var Font = ref FontInfo.Fonts[a];
                for (int b = 0; b < Font.Tables.Length; b++)
                {
                    ref var Table = ref Font.Tables[b];
                    for (uint i = 0; i < Table.Gylphs.Length; i++)
                    {
                        if (Worker.CancellationPending)
                        {
                            e.Cancel = true;
                            return;
                        }


                        int Progress = (int)Math.Abs(((double)(100 * ++Current)) / Steps);
                        if (Progress != LastReportedProgress)
                        {
                            LastReportedProgress = Progress;
                            Worker.ReportProgress(Progress);
                        }

                        ref var Glyph = ref Table.Gylphs[i];

                        if (Glyph.TextureOffset != 0)
                        {
                            Glyph.Data = new VirtStream(Input, Glyph.TextureOffset, Glyph.TextureSize);
                        }
                        else
                        {
                            Glyph.Data = null;
                        }

                        Glyph.Char = IndexToChar(i);
                        Glyph.CreateTexture(Table.Height);
                    }
Esempio n. 2
0
        public static async Task Save(this FNAHeader Font, Stream Output, Action <int> OnProgressChanged)
        {
            BackgroundWorker Worker = new BackgroundWorker();

            Worker.WorkerReportsProgress      = true;
            Worker.WorkerSupportsCancellation = true;
            Worker.DoWork += Worker_Save;

            bool Running = true;

            Worker.ProgressChanged    += (a, b) => OnProgressChanged?.Invoke(b.ProgressPercentage);
            Worker.RunWorkerCompleted += (a, b) => Running = false;

            Worker.RunWorkerAsync(new object[] { Font, Output });

            while (Running)
            {
                await Task.Delay(100);
            }
        }