Files
SpineViewer/SpineViewer/Spine/SpineExporter/ExportHelper.cs
2025-04-11 00:58:25 +08:00

62 lines
2.4 KiB
C#

using FFMpegCore.Pipes;
using SpineViewer.Extensions;
using System;
using System.Collections.Generic;
using System.Drawing.Imaging;
using System.Linq;
using System.Text;
namespace SpineViewer.Spine.SpineExporter
{
/// <summary>
/// SFML.Graphics.Image 帧对象包装类, 将接管给定的 image 对象生命周期
/// </summary>
public class SFMLImageVideoFrame(SFML.Graphics.Image image) : IVideoFrame, IDisposable
{
public int Width => (int)image.Size.X;
public int Height => (int)image.Size.Y;
public string Format => "rgba";
public void Serialize(Stream pipe) => pipe.Write(image.Pixels);
public async Task SerializeAsync(Stream pipe, CancellationToken token) => await pipe.WriteAsync(image.Pixels, token);
public void Dispose() => image.Dispose();
/// <summary>
/// Save the contents of the image to a file
/// </summary>
/// <param name="filename">Path of the file to save (overwritten if already exist)</param>
/// <returns>True if saving was successful</returns>
public bool SaveToFile(string filename) => image.SaveToFile(filename);
/// <summary>
/// Save the image to a buffer in memory The format of the image must be specified.
/// The supported image formats are bmp, png, tga and jpg. This function fails if
/// the image is empty, or if the format was invalid.
/// </summary>
/// <param name="output">Byte array filled with encoded data</param>
/// <param name="format">Encoding format to use</param>
/// <returns>True if saving was successful</returns>
public bool SaveToMemory(out byte[] output, string format) => image.SaveToMemory(out output, format);
/// <summary>
/// 获取 Winforms Bitmap 对象
/// </summary>
public Bitmap CopyToBitmap() => image.CopyToBitmap();
}
/// <summary>
/// 为帧导出创建的辅助类
/// </summary>
public static class ExportHelper
{
/// <summary>
/// 根据 Bitmap 文件格式获取合适的文件后缀
/// </summary>
public static string GetSuffix(this ImageFormat imageFormat)
{
if (imageFormat == ImageFormat.Icon) return ".ico";
else if (imageFormat == ImageFormat.Exif) return ".jpeg";
else return $".{imageFormat.ToString().ToLower()}";
}
}
}