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Improve Sprite export

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This commit is contained in:
Perfare
2018-02-28 19:10:36 +08:00
parent 351228e45c
commit 4ef160de34
3 changed files with 139 additions and 74 deletions
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59
Unity Studio/Unity Studio Classes/UnityStudio.cs
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@ -1,6 +1,7 @@
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Linq;
using System.Text;
using System.IO;
@ -1909,28 +1910,18 @@ namespace Unity_Studio
return selectFile.Distinct().ToArray();
}
//TODO Tight方式的Sprite需要读取多边形信息进行绘图
public static Bitmap GetImageFromSprite(AssetPreloadData asset)
{
if (spriteCache.TryGetValue(asset, out var bitmap))
return (Bitmap)bitmap.Clone();
var m_Sprite = new Sprite(asset, true);
if (m_Sprite.m_SpriteAtlas != null && assetsfileList.TryGetPD(m_Sprite.m_SpriteAtlas, out var assetPreloadData))
if (assetsfileList.TryGetPD(m_Sprite.m_SpriteAtlas, out var assetPreloadData))
{
var m_SpriteAtlas = new SpriteAtlas(assetPreloadData);
bool find = false;
int index = 0;
for (; index < m_SpriteAtlas.m_PackedSprites.Count; index++)
var index = m_SpriteAtlas.guids.FindIndex(x => x == m_Sprite.first);
if (index >= 0 && assetsfileList.TryGetPD(m_SpriteAtlas.textures[index], out assetPreloadData))
{
if (assetsfileList.TryGetPD(m_SpriteAtlas.m_PackedSprites[index], out assetPreloadData) && assetPreloadData == asset)
{
find = true;
break;
}
}
if (find && assetsfileList.TryGetPD(m_SpriteAtlas.textures[index], out assetPreloadData))
{
return CutImage(asset, assetPreloadData, m_SpriteAtlas.textureRects[index]);
return CutImage(asset, assetPreloadData, m_SpriteAtlas.textureRects[index], m_Sprite);
}
}
else
@ -1964,5 +1955,45 @@ namespace Unity_Studio
return null;
}
private static Bitmap CutImage(AssetPreloadData asset, AssetPreloadData texture2DAsset, RectangleF textureRect, Sprite sprite)
{
var texture2D = new Texture2D(texture2DAsset, true);
using (var originalImage = texture2D.ConvertToBitmap(false))
{
if (originalImage != null)
{
var info = texture2DAsset.InfoText;
var start = info.IndexOf("Format");
info = info.Substring(start, info.Length - start);
asset.InfoText = $"Width: {textureRect.Width}\nHeight: {textureRect.Height}\n" + info;
var spriteImage = originalImage.Clone(textureRect, PixelFormat.Format32bppArgb);
using (var brush = new TextureBrush(spriteImage))
{
using (var path = new GraphicsPath())
{
foreach (var p in sprite.m_PhysicsShape)
path.AddPolygon(p);
using (var matr = new Matrix())
{
matr.Translate(sprite.m_Rect.Width * sprite.m_Pivot.X, sprite.m_Rect.Height * sprite.m_Pivot.Y);
matr.Scale(sprite.m_PixelsToUnits, sprite.m_PixelsToUnits);
path.Flatten(matr);
var bitmap = new Bitmap((int)textureRect.Width, (int)textureRect.Height);
using (var graphic = Graphics.FromImage(bitmap))
{
graphic.FillPath(brush, path);
bitmap.RotateFlip(RotateFlipType.RotateNoneFlipY);
spriteCache.Add(asset, bitmap);
return (Bitmap)bitmap.Clone();
}
}
}
}
}
}
return null;
}
}
}