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41 lines
1.1 KiB
C#
41 lines
1.1 KiB
C#
1 year ago
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using RPiRgbLEDMatrix;
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using System.Runtime.InteropServices;
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using Color = RPiRgbLEDMatrix.Color;
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Console.Write("GIF path: ");
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var path = Console.ReadLine()!;
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using var matrix = new RGBLedMatrix(32, 2, 1);
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var canvas = matrix.CreateOffscreenCanvas();
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Configuration.Default.PreferContiguousImageBuffers = true;
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using var image = Image.Load<Rgb24>(path);
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image.Mutate(o => o.Resize(canvas.Width, canvas.Height));
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var running = true;
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Console.CancelKeyPress += (s, e) =>
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{
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running = false;
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e.Cancel = true; // don't terminate, we need to dispose
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};
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var frame = -1;
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// preprocess frames to get delays and pixel buffers
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var frames = image.Frames
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.Select(f => (
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Pixels: f.DangerousTryGetSinglePixelMemory(out var memory) ? memory : throw new("Could not get pixel buffer"),
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Delay: f.Metadata.GetGifMetadata().FrameDelay * 10
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)).ToArray();
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// run until user presses Ctrl+C
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while (running)
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{
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frame = (frame + 1) % frames.Length;
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var data = MemoryMarshal.Cast<Rgb24, Color>(frames[frame].Pixels.Span);
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canvas.SetPixels(0, 0, canvas.Width, canvas.Height, data);
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matrix.SwapOnVsync(canvas);
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Thread.Sleep(frames[frame].Delay);
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}
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