Exemplo n.º 1
0
        public async Task CycleTimeAsync(int framesPerHour = 1, int delay = 150, int?loop = null)
        {
            string   path = $"../tmp/{Context.User.Id}_time.gif";
            FontFace font = JsonHandler.Load <FontFace>(@"../assets/fonts/orikos.json");

            char[][][][] charMap = JsonHandler.Load <char[][][][]>(@"../assets/char_map.json", new JsonCharArrayConverter());
            var          config  = TextFactoryConfig.Default;

            config.CharMap = charMap;

            var frames     = new List <Stream>();
            var properties = new ImageProperties
            {
                TrimEmptyPixels = true,
                Padding         = new Padding(2),
                Width           = 47
            };

            float t = 0.00f;

            using (var factory = new TextFactory(config))
            {
                factory.SetFont(font);

                for (float h = 0; h < 24 * framesPerHour; h++)
                {
                    GammaPalette colors = TimeCycle.FromHour(t);
                    properties.Matte = colors[Gamma.Min];

                    frames.Add(DrawFrame(factory, t.ToString("00.00H"), colors[Gamma.Max], properties));

                    t += (1.00f / framesPerHour);
                }
            }

            var gifStream = new MemoryStream();

            using (var encoder = new GifEncoder(gifStream, repeatCount: loop))
            {
                encoder.FrameLength = TimeSpan.FromMilliseconds(delay);

                foreach (Stream frame in frames)
                {
                    await using (frame)
                        encoder.EncodeFrame(Image.FromStream(frame));
                }
            }

            gifStream.Position = 0;
            Image gifResult = Image.FromStream(gifStream);

            gifResult.Save(path, ImageFormat.Gif);
            await gifStream.DisposeAsync();

            await Context.Channel.SendFileAsync(path);
        }
Exemplo n.º 2
0
 public GraphicsService()
 {
     _text = new TextFactory(GetDefaultCharMap());
     _text.SetFont(GetFont(FontType.Orikos));
     Palette = GetPalette(PaletteType.Default);
 }