Add bitmap trimming

Assets/DevTests/Animations/BugTests/Jarjinlee_Unity_Forum/adou.fla.meta

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: 578397740ed1a4057b143176c5327496
+guid: a296b112d7567477783e9c16409b3db5
 DefaultImporter:
   externalObjects: {}
   userData: 

Assets/DevTests/Animations/FeatureTests/11_trimming.fla.meta

@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: ec6ecc878c78246c7b2dda1979aae2c2
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/FlashTools/Docs/CHANGELOG.md

@@ -1,4 +1,5 @@
 ###### Version 1.3.15
+* Add bitmap trimming
 * Fix preview leaks in the Editor mode
 
 ###### Version 1.3.14

Assets/FlashTools/Scripts/Editor/FTEditor/Postprocessors/SwfAssetPostprocessor.cs

@@ -111,7 +111,7 @@ namespace FTEditor.Postprocessors {
 
 		static Texture2D LoadTextureFromData(SwfBitmapData bitmap) {
 			var texture = new Texture2D(
-				bitmap.RealWidth, bitmap.RealHeight,
+				bitmap.TrimmedRect.width, bitmap.TrimmedRect.height,
 				TextureFormat.ARGB32, false);
 			texture.LoadRawTextureData(bitmap.ARGB32);
 			return texture;
@@ -357,14 +357,15 @@ namespace FTEditor.Postprocessors {
 				var bitmap = inst != null
 					? FindBitmapFromAssetData(data, inst.Bitmap)
 					: null;
+				while ( bitmap != null && bitmap.Redirect > 0 ) {
+					bitmap = FindBitmapFromAssetData(data, bitmap.Redirect);
+				}
 				if ( bitmap != null ) {
-					var width  = bitmap.RealWidth  / 20.0f;
-					var height = bitmap.RealHeight / 20.0f;
-
-					var v0 = new Vector2(    0,      0);
-					var v1 = new Vector2(width,      0);
-					var v2 = new Vector2(width, height);
-					var v3 = new Vector2(    0, height);
+					var tr = bitmap.TrimmedRect;
+					var v0 = new Vector2(tr.xMin, tr.yMin) / 20.0f;
+					var v1 = new Vector2(tr.xMax, tr.yMin) / 20.0f;
+					var v2 = new Vector2(tr.xMax, tr.yMax) / 20.0f;
+					var v3 = new Vector2(tr.xMin, tr.yMax) / 20.0f;
 
 					var matrix =
 						Matrix4x4.Scale(

Assets/FlashTools/Scripts/Editor/FTEditor/Postprocessors/SwfPostprocessor.cs

@@ -402,14 +402,58 @@ namespace FTEditor.Postprocessors {
 			return library.Defines
 				.Where       (p => p.Value.Type == SwfLibraryDefineType.Bitmap)
 				.ToDictionary(p => p.Key, p => p.Value as SwfLibraryBitmapDefine)
-				.Select      (p => new SwfBitmapData{
-					Id         = p.Key,
-					ARGB32     = p.Value.ARGB32,
-					Redirect   = p.Value.Redirect,
-					RealWidth  = p.Value.Width,
-					RealHeight = p.Value.Height})
+				.Select      (p => ConvertBitmap(p.Key, p.Value))
 				.ToList();
 		}
+
+		static SwfBitmapData ConvertBitmap(ushort id, SwfLibraryBitmapDefine bitmap) {
+			var trimmed_rect = bitmap.Redirect > 0
+				? new SwfRectIntData(bitmap.Width, bitmap.Height)
+				: FindBitmapTrimmedRect(bitmap);
+			var trimmed_argb32 = bitmap.Redirect > 0
+				? bitmap.ARGB32
+				: TrimBitmapByRect(bitmap, trimmed_rect);
+			return new SwfBitmapData{
+				Id = id,
+				ARGB32 = trimmed_argb32,
+				Redirect = bitmap.Redirect,
+				TrimmedRect = trimmed_rect};
+		}
+
+		static SwfRectIntData FindBitmapTrimmedRect(SwfLibraryBitmapDefine bitmap) {
+			var rect = new SwfRectIntData{
+				xMin = bitmap.Width,
+				yMin = bitmap.Height,
+				xMax = 0,
+				yMax = 0};
+			for ( var i = 0; i < bitmap.Height; ++i ) {
+				for ( var j = 0; j < bitmap.Width; ++j ) {
+					var a = bitmap.ARGB32[(j + i * bitmap.Width) * 4];
+					if ( a > 0 ) {
+						rect.xMin = Mathf.Min(j, rect.xMin);
+						rect.yMin = Mathf.Min(i, rect.yMin);
+						rect.xMax = Mathf.Max(j + 1, rect.xMax);
+						rect.yMax = Mathf.Max(i + 1, rect.yMax);
+					}
+				}
+			}
+			return rect.width < 1 || rect.height < 1
+				? new SwfRectIntData(0, 0, 1, 1)
+				: rect;
+		}
+
+		static byte[] TrimBitmapByRect(SwfLibraryBitmapDefine bitmap, SwfRectIntData rect) {
+			var trimmed_argb32 = new byte[rect.area * 4];
+			for ( var i = 0; i < rect.height; ++i ) {
+				var src_index = rect.xMin + (rect.yMin + i) * bitmap.Width;
+				var dst_index = i * rect.width;
+				Array.Copy(
+					bitmap.ARGB32, src_index * 4,
+					trimmed_argb32, dst_index * 4,
+					rect.width * 4);
+			}
+			return trimmed_argb32;
+		}
 	}
 
 	// ---------------------------------------------------------------------

Assets/FlashTools/Scripts/Editor/FTEditor/SwfAssetData.cs

@@ -60,22 +60,96 @@ namespace FTEditor {
 		public float yMin;
 		public float yMax;
 
+		public SwfRectData(float w, float h) {
+			this.xMin = 0;
+			this.yMin = 0;
+			this.xMax = w;
+			this.yMax = h;
+		}
+
+		public SwfRectData(float x, float y, float w, float h) {
+			this.xMin = x;
+			this.yMin = y;
+			this.xMax = x + w;
+			this.yMax = y + h;
+		}
+
+		public float width {
+			get {
+				return xMax - xMin;
+			}
+		}
+
+		public float height {
+			get {
+				return yMax - yMin;
+			}
+		}
+
+		public float area {
+			get {
+				return width * height;
+			}
+		}
+
 		public static SwfRectData identity {
 			get {
-				return new SwfRectData{
-					xMin = 0.0f,
-					xMax = 0.0f,
-					yMin = 0.0f,
-					yMax = 0.0f};
+				return new SwfRectData(0.0f, 0.0f, 0.0f, 0.0f);
 			}
 		}
 
 		public static SwfRectData FromURect(Rect rect) {
-			return new SwfRectData{
-				xMin = rect.xMin,
-				xMax = rect.xMax,
-				yMin = rect.yMin,
-				yMax = rect.yMax};
+			return new SwfRectData(rect.xMin, rect.yMin, rect.width, rect.height);
+		}
+	}
+
+	[System.Serializable]
+	struct SwfRectIntData {
+		public int xMin;
+		public int xMax;
+		public int yMin;
+		public int yMax;
+
+		public SwfRectIntData(int w, int h) {
+			this.xMin = 0;
+			this.yMin = 0;
+			this.xMax = w;
+			this.yMax = h;
+		}
+
+		public SwfRectIntData(int x, int y, int w, int h) {
+			this.xMin = x;
+			this.yMin = y;
+			this.xMax = x + w;
+			this.yMax = y + h;
+		}
+
+		public int width {
+			get {
+				return xMax - xMin;
+			}
+		}
+
+		public int height {
+			get {
+				return yMax - yMin;
+			}
+		}
+
+		public int area {
+			get {
+				return width * height;
+			}
+		}
+
+		public static SwfRectIntData identity {
+			get {
+				return new SwfRectIntData(0, 0, 0, 0);
+			}
+		}
+
+		public static SwfRectIntData FromURect(RectInt rect) {
+			return new SwfRectIntData(rect.xMin, rect.yMin, rect.width, rect.height);
 		}
 	}
 
@@ -187,41 +261,40 @@ namespace FTEditor {
 			Masked,
 			MaskReset
 		}
-		public Types                 Type       = Types.Group;
-		public ushort                ClipDepth  = 0;
-		public ushort                Bitmap     = 0;
-		public SwfMatrixData         Matrix     = SwfMatrixData.identity;
-		public SwfBlendModeData      BlendMode  = SwfBlendModeData.identity;
-		public SwfColorTransData     ColorTrans = SwfColorTransData.identity;
+		public Types                 Type        = Types.Group;
+		public ushort                ClipDepth   = 0;
+		public ushort                Bitmap      = 0;
+		public SwfMatrixData         Matrix      = SwfMatrixData.identity;
+		public SwfBlendModeData      BlendMode   = SwfBlendModeData.identity;
+		public SwfColorTransData     ColorTrans  = SwfColorTransData.identity;
 	}
 
 	[System.Serializable]
 	class SwfFrameData {
-		public string                Anchor     = string.Empty;
-		public List<string>          Labels     = new List<string>();
-		public List<SwfInstanceData> Instances  = new List<SwfInstanceData>();
+		public string                Anchor      = string.Empty;
+		public List<string>          Labels      = new List<string>();
+		public List<SwfInstanceData> Instances   = new List<SwfInstanceData>();
 	}
 
 	[System.Serializable]
 	class SwfSymbolData {
-		public string                Name       = string.Empty;
-		public List<SwfFrameData>    Frames     = new List<SwfFrameData>();
+		public string                Name        = string.Empty;
+		public List<SwfFrameData>    Frames      = new List<SwfFrameData>();
 	}
 
 	[System.Serializable]
 	class SwfBitmapData {
-		public ushort                Id         = 0;
-		public byte[]                ARGB32     = new byte[0];
-		public ushort                Redirect   = 0;
-		public int                   RealWidth  = 0;
-		public int                   RealHeight = 0;
-		public SwfRectData           SourceRect = SwfRectData.identity;
+		public ushort                Id          = 0;
+		public byte[]                ARGB32      = new byte[0];
+		public ushort                Redirect    = 0;
+		public SwfRectData           SourceRect  = SwfRectData.identity;
+		public SwfRectIntData        TrimmedRect = SwfRectIntData.identity;
 	}
 
 	[System.Serializable]
 	class SwfAssetData {
-		public float                 FrameRate  = 0.0f;
-		public List<SwfSymbolData>   Symbols    = new List<SwfSymbolData>();
-		public List<SwfBitmapData>   Bitmaps    = new List<SwfBitmapData>();
+		public float                 FrameRate   = 0.0f;
+		public List<SwfSymbolData>   Symbols     = new List<SwfSymbolData>();
+		public List<SwfBitmapData>   Bitmaps     = new List<SwfBitmapData>();
 	}
 }

Assets/FlashTools/Scripts/FTRuntime/SwfSettings.cs

@@ -15,7 +15,7 @@ namespace FTRuntime {
 			AutomaticTruecolor  = 2
 		}
 
-		[SwfPowerOfTwoIfAttribute(5, 13, "AtlasPowerOfTwo")]
+		[SwfPowerOfTwoIf(5, 13, "AtlasPowerOfTwo")]
 		public int         MaxAtlasSize;
 		[SwfIntRange(0, int.MaxValue)]
 		public int         AtlasPadding;

Assets/FlashTools/Scripts/FTRuntime/SwfVersion.cs

@@ -2,7 +2,7 @@
 	public static class SwfVersion {
 		public const int Major    = 1;
 		public const int Minor    = 3;
-		public const int Revision = 11;
+		public const int Revision = 15;
 
 		public static string AsString {
 			get {

ProjectStuff/FlashTools.org

@@ -75,7 +75,9 @@ UNITY_HALF_TEXEL_OFFSET
 **** DONE Утечка превью в редакторе
 *** Улучшения
 **** TODO Выводить в лог успешную конвертацию с контекстом
-**** TODO Триммить изображения из swf (adou.fla)
+**** TODO Добавить версию в SwfAsset
+**** TODO Опциональный тримминг
+**** DONE Триммить изображения из swf (adou.fla)
 ** DONE Версия 1.3.14
 *** Баги
 **** DONE Сломалась компиляция в 2018.3.2f1