Added slices unit tests. Other improvements.

Images.xcassets/slices/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

Templates.xcassets/old/i_slice_stretches.imageset/Contents.json → Images.xcassets/slices/s_horizontal.imageset/Contents.json

@@ -4,51 +4,48 @@
       "resizing" : {
         "mode" : "3-part-horizontal",
         "center" : {
-          "mode" : "stretch",
-          "width" : 1
+          "mode" : "tile",
+          "width" : 4
         },
         "cap-insets" : {
           "right" : 10,
           "left" : 10
         }
       },
       "idiom" : "universal",
-      "filename" : "green.png",
+      "filename" : "image.png",
       "scale" : "1x"
     },
     {
       "resizing" : {
-        "mode" : "3-part-vertical",
+        "mode" : "3-part-horizontal",
         "center" : {
           "mode" : "stretch",
-          "height" : 1
+          "width" : 9
         },
         "cap-insets" : {
-          "top" : 20,
-          "bottom" : 20
+          "right" : 19,
+          "left" : 20
         }
       },
       "idiom" : "universal",
-      "filename" : "green@2x.png",
+      "filename" : "image@2x.png",
       "scale" : "2x"
     },
     {
       "resizing" : {
-        "mode" : "9-part",
+        "mode" : "3-part-horizontal",
         "center" : {
           "mode" : "stretch",
-          "width" : 1,
-          "height" : 1
+          "width" : 5
         },
         "cap-insets" : {
-          "bottom" : 30,
-          "top" : 30,
           "right" : 29,
-          "left" : 30
+          "left" : 29
         }
       },
       "idiom" : "universal",
-      "filename" : "green@3x.png",
+      "filename" : "image@3x.png",
       "scale" : "3x"
     }
   ],

Images.xcassets/slices/s_horizontal_vertical.imageset/Contents.json

@@ -0,0 +1,65 @@
+{
+  "images" : [
+    {
+      "resizing" : {
+        "mode" : "9-part",
+        "center" : {
+          "mode" : "stretch",
+          "width" : 2,
+          "height" : 3
+        },
+        "cap-insets" : {
+          "bottom" : 12,
+          "top" : 10,
+          "right" : 13,
+          "left" : 11
+        }
+      },
+      "idiom" : "universal",
+      "filename" : "cyan.png",
+      "scale" : "1x"
+    },
+    {
+      "resizing" : {
+        "mode" : "9-part",
+        "center" : {
+          "mode" : "tile",
+          "width" : 6,
+          "height" : 2
+        },
+        "cap-insets" : {
+          "bottom" : 20,
+          "top" : 20,
+          "right" : 19,
+          "left" : 20
+        }
+      },
+      "idiom" : "universal",
+      "filename" : "cyan@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "resizing" : {
+        "mode" : "9-part",
+        "center" : {
+          "mode" : "tile",
+          "width" : 8,
+          "height" : 2
+        },
+        "cap-insets" : {
+          "bottom" : 30,
+          "top" : 30,
+          "right" : 29,
+          "left" : 30
+        }
+      },
+      "idiom" : "universal",
+      "filename" : "cyan@3x.png",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

Templates.xcassets/old/i_aligment.imageset/Contents.json → Images.xcassets/slices/s_none.imageset/Contents.json

@@ -1,34 +1,16 @@
 {
   "images" : [
     {
-      "alignment-insets" : {
-        "top" : 1,
-        "left" : 2,
-        "bottom" : 3,
-        "right" : 4
-      },
       "idiom" : "universal",
       "filename" : "green.png",
       "scale" : "1x"
     },
     {
-      "alignment-insets" : {
-        "top" : 5,
-        "left" : 6,
-        "bottom" : 7,
-        "right" : 8
-      },
       "idiom" : "universal",
       "filename" : "green@2x.png",
       "scale" : "2x"
     },
     {
-      "alignment-insets" : {
-        "top" : 9,
-        "left" : 10,
-        "bottom" : 11,
-        "right" : 12
-      },
       "idiom" : "universal",
       "filename" : "green@3x.png",
       "scale" : "3x"

Templates.xcassets/old/i_slice_tiles.imageset/Contents.json → Images.xcassets/slices/s_vertical.imageset/Contents.json

@@ -2,53 +2,50 @@
   "images" : [
     {
       "resizing" : {
-        "mode" : "3-part-horizontal",
+        "mode" : "3-part-vertical",
         "center" : {
           "mode" : "tile",
-          "width" : 1
+          "height" : 3
         },
         "cap-insets" : {
-          "right" : 10,
-          "left" : 10
+          "top" : 10,
+          "bottom" : 10
         }
       },
       "idiom" : "universal",
-      "filename" : "green.png",
+      "filename" : "blue.png",
       "scale" : "1x"
     },
     {
       "resizing" : {
         "mode" : "3-part-vertical",
         "center" : {
-          "mode" : "tile",
-          "height" : 1
+          "mode" : "stretch",
+          "height" : 7
         },
         "cap-insets" : {
           "top" : 20,
           "bottom" : 20
         }
       },
       "idiom" : "universal",
-      "filename" : "green@2x.png",
+      "filename" : "blue@2x.png",
       "scale" : "2x"
     },
     {
       "resizing" : {
-        "mode" : "9-part",
+        "mode" : "3-part-vertical",
         "center" : {
           "mode" : "tile",
-          "width" : 1,
-          "height" : 1
+          "height" : 11
         },
         "cap-insets" : {
-          "bottom" : 30,
-          "top" : 30,
-          "right" : 29,
-          "left" : 30
+          "top" : 29,
+          "bottom" : 29
         }
       },
       "idiom" : "universal",
-      "filename" : "green@3x.png",
+      "filename" : "blue@3x.png",
       "scale" : "3x"
     }
   ],

README.md

@@ -44,7 +44,7 @@ or
 - [x] Size class
 - [x] Rendering
 - [x] Alignment
-- [ ] Slicing
+- [x] Slicing
 - [ ] Memory
 - [ ] Graphics
 - [ ] Data

acextract.xcodeproj/project.pbxproj

@@ -27,6 +27,7 @@
 		961DF0011D0DDDFE002AD0CC /* Images.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 9625C14A1A48C24A00EE5162 /* Images.xcassets */; };
 		9625C14B1A48C24A00EE5162 /* Images.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 9625C14A1A48C24A00EE5162 /* Images.xcassets */; };
 		9625C14C1A48C24A00EE5162 /* Images.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 9625C14A1A48C24A00EE5162 /* Images.xcassets */; };
+		9666CE251D21B363009C9402 /* SlicesTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9666CE241D21B363009C9402 /* SlicesTests.swift */; };
 		9669A6361D20332D0037654D /* TemplateRenderingTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9669A6351D20332D0037654D /* TemplateRenderingTests.swift */; };
 		966A50361A3DEBE0002C814F /* main.swift in Sources */ = {isa = PBXBuildFile; fileRef = 966A50351A3DEBE0002C814F /* main.swift */; };
 		966A504F1A3DF14C002C814F /* AssetsCatalog.swift in Sources */ = {isa = PBXBuildFile; fileRef = 966A504E1A3DF14C002C814F /* AssetsCatalog.swift */; };
@@ -141,6 +142,7 @@
 		961DEFF31D0DDD2F002AD0CC /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = "<group>"; };
 		961DEFF51D0DDD2F002AD0CC /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
 		9625C14A1A48C24A00EE5162 /* Images.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Images.xcassets; sourceTree = "<group>"; };
+		9666CE241D21B363009C9402 /* SlicesTests.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = SlicesTests.swift; sourceTree = "<group>"; };
 		9669A6351D20332D0037654D /* TemplateRenderingTests.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = TemplateRenderingTests.swift; sourceTree = "<group>"; };
 		966A50321A3DEBE0002C814F /* acextract */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.executable"; includeInIndex = 0; path = acextract; sourceTree = BUILT_PRODUCTS_DIR; };
 		966A50351A3DEBE0002C814F /* main.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = main.swift; sourceTree = "<group>"; };
@@ -396,6 +398,7 @@
 				96D010821D173194000553B1 /* CorrectnessTests.swift */,
 				96F446651D15DB6F00F30964 /* DeviceTests.swift */,
 				96F52BFB1D1FFB89006CAD7B /* SizeClassTests.swift */,
+				9666CE241D21B363009C9402 /* SlicesTests.swift */,
 				9669A6351D20332D0037654D /* TemplateRenderingTests.swift */,
 			);
 			name = Tests;
@@ -771,6 +774,7 @@
 				960594241D19D96C00325995 /* PrintInformationOperation.swift in Sources */,
 				9673B97A1D205CE900F3C684 /* AlignmentTests.swift in Sources */,
 				96D010831D173194000553B1 /* CorrectnessTests.swift in Sources */,
+				9666CE251D21B363009C9402 /* SlicesTests.swift in Sources */,
 				961427121D1F1186005831AA /* Assets.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;

acextract/CoreUI.h

@@ -64,15 +64,49 @@ typedef NS_ENUM(NSInteger, CUIImageType) {
     CUIImageTypeHorizontalAndVertical = 3,
 };
 
-@class CUIRenditionKey, CUIThemeRendition;
+@class CUIRenditionKey, CUIThemeRendition, CUIRenditionSliceInformation;
 
-@interface CUINamedImage : NSObject
+@interface CUINamedLookup : NSObject
 
 @property(copy, nonatomic, nonnull) NSString *name;
+@property(readonly, nonatomic) BOOL representsOnDemandContent;
+- (nonnull CUIRenditionKey *)renditionKey;
+- (nonnull NSString *)renditionName;
+- (nonnull CUIThemeRendition *)_rendition;
+
+@end
+
+@interface CUINamedImage : CUINamedLookup
+// Device idiom:
+// - idiom()
+// - subtype()
+// - scale
+//
+// Size class:
+// - sizeClassVertical()
+// - sizeClassHorizontal()
+//
+// Alignment:
+// - hasAlignmentInformation
+// - alignmentEdgeInsets
+//
+// Slices:
+// - hasSliceInformation
+// - resizingMode
+// - imageType
+// - _rendition().type()
+// - _rendition().sliceInformation()?.renditionType
+// - _rendition().sliceInformation()?.edgeInsets
+//
+// Template:
+// - isTemplate
+// - templateRenderingMode
+
 @property(readonly, nonatomic) int exifOrientation;
 @property(readonly, nonatomic) CUIRenderMode templateRenderingMode;
 @property(readonly, nonatomic) BOOL isTemplate;
 @property(readonly, nonatomic) BOOL isVectorBased;
+@property(readonly, nonatomic) BOOL hasAlignmentInformation;
 @property(readonly, nonatomic) BOOL hasSliceInformation;
 @property(readonly, nonatomic) CUIResizingMode resizingMode;
 @property(readonly, nonatomic) int blendMode;
@@ -91,8 +125,7 @@ typedef NS_ENUM(NSInteger, CUIImageType) {
 - (nonnull CUIRenditionKey *)baseKey;
 - (long long)graphicsClass;
 - (long long)memoryClass;
-- (nonnull CUIThemeRendition *)_rendition;
-- (nonnull CUIRenditionKey *)renditionKey;
+
 
 @end
 
@@ -106,18 +139,30 @@ typedef NS_ENUM(NSInteger, CUIImageType) {
 @interface CUIThemeRendition : NSObject
 
 - (nonnull NSString *)name;
-- (NSInteger)type;
+- (CUIImageType)type;
 - (unsigned int)subtype;
 - (nullable NSString *)utiType;
 - (nullable NSData *)data;
 - (nullable CGPDFDocumentRef)pdfDocument;
+- (nullable CUIRenditionSliceInformation *)sliceInformation;
 - (nullable CGImageRef)unslicedImage;
 
 @end
 
+@interface CUIRenditionSliceInformation : NSObject <NSCopying>
+
+@property(readonly, nonatomic) NSEdgeInsets edgeInsets;
+@property(readonly, nonatomic) struct CGRect destinationRect;
+@property(readonly, nonatomic) CUIImageType renditionType;
+- (struct CGSize)_bottomRightCapSize;
+- (struct CGSize)_topLeftCapSize;
+- (nonnull NSString *)description;
+
+@end
+
 @interface CUICatalog : NSObject
 
-- (nullable instancetype)initWithURL:(nonnull NSURL *)url error:(NSError * _Nullable __autoreleasing *_Nullable)error;
+- (nullable instancetype)initWithURL:(nonnull NSURL *)url error:(NSError *_Nullable __autoreleasing *_Nullable)error;
 - (nonnull NSArray<NSString *> *)allImageNames;
 - (nonnull NSArray<CUINamedImage *> *)imagesWithName:(nonnull NSString *)name;