Files
SpineViewer/SpineViewer/Exporter/Exporter.cs
2025-03-25 23:25:04 +08:00

127 lines
4.4 KiB
C#

using SpineViewer.Spine;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using static System.Windows.Forms.VisualStyles.VisualStyleElement.StartPanel;
namespace SpineViewer.Exporter
{
/// <summary>
/// 导出器基类
/// </summary>
public abstract class Exporter
{
/// <summary>
/// 实现类缓存
/// </summary>
private static readonly Dictionary<ExportType, Type> ImplementationTypes = [];
static Exporter()
{
var impTypes = Assembly.GetExecutingAssembly().GetTypes().Where(t => typeof(Exporter).IsAssignableFrom(t) && !t.IsAbstract);
foreach (var type in impTypes)
{
var attr = type.GetCustomAttribute<ExportImplementationAttribute>();
if (attr is not null)
{
if (ImplementationTypes.ContainsKey(attr.ExportType))
throw new InvalidOperationException($"Multiple implementations found: {attr.ExportType}");
ImplementationTypes[attr.ExportType] = type;
}
}
Program.Logger.Debug("Find exporter implementations: [{}]", string.Join(", ", ImplementationTypes.Keys));
}
/// <summary>
/// 创建指定类型导出参数
/// </summary>
public static Exporter New(ExportType exportType, ExportArgs exportArgs)
{
if (!ImplementationTypes.TryGetValue(exportType, out var type))
{
throw new NotImplementedException($"Not implemented type: {exportType}");
}
return (Exporter)Activator.CreateInstance(type, exportArgs);
}
/// <summary>
/// 导出参数
/// </summary>
public ExportArgs ExportArgs { get; }
/// <summary>
/// 渲染目标
/// </summary>
private SFML.Graphics.RenderTexture tex;
/// <summary>
/// 可用于文件名的时间戳字符串
/// </summary>
protected readonly string timestamp;
public Exporter(ExportArgs exportArgs)
{
ExportArgs = exportArgs;
timestamp = DateTime.Now.ToString("yyMMddHHmmss");
}
/// <summary>
/// 获取单个模型的单帧画面
/// </summary>
protected SFMLImageVideoFrame GetFrame(Spine.Spine spine)
{
tex.Clear(SFML.Graphics.Color.Transparent);
tex.Draw(spine);
tex.Display();
return new(tex.Texture.CopyToImage());
}
/// <summary>
/// 获取模型列表的单帧画面
/// </summary>
protected SFMLImageVideoFrame GetFrame(Spine.Spine[] spinesToRender)
{
tex.Clear(SFML.Graphics.Color.Transparent);
foreach (var spine in spinesToRender) tex.Draw(spine);
tex.Display();
return new(tex.Texture.CopyToImage());
}
/// <summary>
/// 每个模型在同一个画面进行导出
/// </summary>
protected abstract void ExportSingle(Spine.Spine[] spinesToRender, BackgroundWorker? worker = null);
/// <summary>
/// 每个模型独立导出
/// </summary>
protected abstract void ExportIndividual(Spine.Spine[] spinesToRender, BackgroundWorker? worker = null);
/// <summary>
/// 执行导出
/// </summary>
/// <param name="spines">要进行导出的 Spine 列表</param>
/// <param name="worker">用来执行该函数的 worker</param>
public virtual void Export(Spine.Spine[] spines, BackgroundWorker? worker = null)
{
var spinesToRender = spines.Where(sp => !ExportArgs.RenderSelectedOnly || sp.IsSelected).Reverse().ToArray();
// tex 必须临时创建, 防止出现跨线程的情况
using (tex = new SFML.Graphics.RenderTexture((uint)ExportArgs.Resolution.Width, (uint)ExportArgs.Resolution.Height))
{
tex.Clear(SFML.Graphics.Color.Transparent);
tex.SetView(ExportArgs.View);
if (ExportArgs.ExportSingle) ExportSingle(spinesToRender, worker);
else ExportIndividual(spinesToRender, worker);
}
tex = null;
Program.LogCurrentMemoryUsage();
}
}
}