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39 lines
1.1 KiB
39 lines
1.1 KiB
using System.Diagnostics;
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namespace SCI.AsciiArt;
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public class Generator {
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public static async Task<string> FromImage (string imagePath, int width) {
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// Ensure image exists
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if (!File.Exists (imagePath)) {
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throw new FileNotFoundException ($"The specified file '{imagePath}' does not exist");
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}
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var process = new Process ();
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process.StartInfo = new ProcessStartInfo () {
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FileName = "jp2a",
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Arguments = $"--width={width} \"{imagePath}\"",
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RedirectStandardInput = true,
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RedirectStandardOutput = true,
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RedirectStandardError = true,
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CreateNoWindow = true,
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UseShellExecute = false
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};
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process.Start ();
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// Wait up to one second for the task to finish
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try {
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var cancellationTokenSource = new CancellationTokenSource (1000);
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await process.WaitForExitAsync (cancellationTokenSource.Token);
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} catch (TaskCanceledException) {
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throw new TimeoutException ("jp2a did not finish after 1000ms, process was killed");
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}
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if (process.ExitCode != 0) {
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throw new Exception ($"jp2a returned with exit code {process.ExitCode}.\n{process.StandardError.ReadToEnd ()}");
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}
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return await process.StandardOutput.ReadToEndAsync ();
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}
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} |