62 lines
2.1 KiB
C#
62 lines
2.1 KiB
C#
using NLog;
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using SFML.System;
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using SkiaSharp;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace Spine.Exporters
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{
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/// <summary>
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/// 帧序列导出器, 导出 png 帧序列
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/// </summary>
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public class FrameSequenceExporter : VideoExporter
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{
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public FrameSequenceExporter(uint width = 100, uint height = 100) : base(width, height) { }
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public FrameSequenceExporter(Vector2u resolution) : base(resolution) { }
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public override void Export(string output, CancellationToken ct, params SpineObject[] spines)
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{
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Directory.CreateDirectory(output);
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int frameCount = GetFrameCount();
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int frameIdx = 0;
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_progressReporter?.Invoke(frameCount, 0, $"[{frameIdx}/{frameCount}] {output}"); // 导出帧序列单独在此处调用进度报告
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foreach (var frame in GetFrames(spines))
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{
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if (ct.IsCancellationRequested)
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{
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_logger.Info("Export cancelled");
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frame.Dispose();
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break;
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}
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var savePath = Path.Combine(output, $"frame_{_fps}_{frameIdx:d6}.png");
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var info = new SKImageInfo(frame.Width, frame.Height, SKColorType.Rgba8888, SKAlphaType.Premul);
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_progressReporter?.Invoke(frameCount, frameIdx, $"[{frameIdx + 1}/{frameCount}] {savePath}");
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try
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{
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using var skImage = SKImage.FromPixelCopy(info, frame.Image.Pixels);
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using var data = skImage.Encode(SKEncodedImageFormat.Png, 100);
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using var stream = File.OpenWrite(savePath);
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data.SaveTo(stream);
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}
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catch (Exception ex)
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{
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_logger.Trace(ex.ToString());
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_logger.Error("Failed to save frame {0}, {1}", savePath, ex.Message);
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}
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finally
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{
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frame.Dispose();
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}
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frameIdx++;
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}
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}
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}
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}
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