chizui/SpineViewer
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优化预览图获取

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This commit is contained in:
ww-rm
2025-03-21 20:35:39 +08:00
parent f153d251c8
commit 13dd7511f6
2 changed files with 34 additions and 23 deletions
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21
SpineViewer/MainForm.cs
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@@ -223,6 +223,13 @@ namespace SpineViewer
var outputDir = arguments.OutputDir;
var width = arguments.PreviewWidth;
var height = arguments.PreviewHeight;
// TODO: 增加填充参数
var paddingL = 1u;
var paddingR = 1u;
var paddingT = 1u;
var paddingB = 1u;
var tex = new SFML.Graphics.RenderTexture(width, height);
int success = 0;
int error = 0;
@@ -241,11 +248,19 @@ namespace SpineViewer
}
var spine = spines[i];
var tmp = spine.CurrentAnimation;
spine.CurrentAnimation = Spine.Spine.EMPTY_ANIMATION;
tex.SetView(spine.GetInitView(width, height, paddingL, paddingR, paddingT, paddingB));
tex.Clear(SFML.Graphics.Color.Transparent);
tex.Draw(spine);
tex.Display();
spine.CurrentAnimation = tmp;
try
{
var preview = spine.GetPreview(width, height);
var savePath = Path.Combine(outputDir, $"{spine.Name}.png");
preview.SaveToFile(savePath);
using (var img = tex.Texture.CopyToImage())
{
img.SaveToFile(Path.Combine(outputDir, $"{spine.Name}.png"));
}
success++;
}
catch (Exception ex)

36
SpineViewer/Spine/Spine.cs
View File

@@ -49,9 +49,14 @@ namespace SpineViewer.Spine
public const string EMPTY_ANIMATION = "<Empty>";
/// <summary>
/// 预览图大小
/// 预览图宽
/// </summary>
public static readonly Size PREVIEW_SIZE = new(256, 256);
public const uint PREVIEW_WIDTH = 256;
/// <summary>
/// 预览图高
/// </summary>
public const uint PREVIEW_HEIGHT = 256;
/// <summary>
/// 缩放最小值
@@ -366,7 +371,15 @@ namespace SpineViewer.Spine
{
if (preview is null)
{
using var img = GetPreview((uint)PREVIEW_SIZE.Width, (uint)PREVIEW_SIZE.Height);
var tex = new SFML.Graphics.RenderTexture(PREVIEW_WIDTH, PREVIEW_HEIGHT);
tex.SetView(GetInitView(PREVIEW_WIDTH, PREVIEW_HEIGHT));
var tmp = CurrentAnimation;
CurrentAnimation = EMPTY_ANIMATION;
tex.Draw(this);
CurrentAnimation = tmp;
tex.Display();
using var img = tex.Texture.CopyToImage();
img.SaveToMemory(out var imgBuffer, "bmp");
using var stream = new MemoryStream(imgBuffer);
preview = new Bitmap(stream);
@@ -376,23 +389,6 @@ namespace SpineViewer.Spine
}
private Image preview = null;
/// <summary>
/// 获取指定尺寸的预览图
/// </summary>
public SFML.Graphics.Image GetPreview(uint width, uint height, uint paddingL = 1, uint paddingR = 1, uint paddingT = 1, uint paddingB = 1)
{
// XXX: 貌似无法使用 using 或者 Dispose 主动释放 tex 资源
// 在批量添加的中途, 如果触发 GC? 会卡死, 目前未知原因
var tex = new SFML.Graphics.RenderTexture(width, height);
tex.SetView(GetInitView(width, height, paddingL, paddingR, paddingT, paddingB));
var tmp = CurrentAnimation;
CurrentAnimation = EMPTY_ANIMATION;
tex.Draw(this);
CurrentAnimation = tmp;
tex.Display();
return tex.Texture.CopyToImage();
}
/// <summary>
/// 获取动画时长, 如果动画不存在则返回 0
/// </summary>