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Add unit tests

This just tests Document.parsePairString for now
This commit is contained in:
Joshua Goins 2021-09-14 12:24:08 -04:00
parent c0f47191be
commit 636145e265
5 changed files with 1044 additions and 30 deletions

33
DocumentTests.swift Normal file
View file

@ -0,0 +1,33 @@
import XCTest
class DocumentTests: XCTestCase {
let document: Document()
override func setUpWithError() throws {
// Put setup code here. This method is called before the invocation of each test method in the class.
}
override func tearDownWithError() throws {
// Put teardown code here. This method is called after the invocation of each test method in the class.
}
func testExample() throws {
document.parsePairString("{255, 255}")
document.parsePairString("{255}")
// This is an example of a functional test case.
// Use XCTAssert and related functions to verify your tests produce the correct results.
// Any test you write for XCTest can be annotated as throws and async.
// Mark your test throws to produce an unexpected failure when your test encounters an uncaught error.
// Mark your test async to allow awaiting for asynchronous code to complete. Check the results with assertions afterwards.
}
func testPerformanceExample() throws {
// This is an example of a performance test case.
self.measure {
// Put the code you want to measure the time of here.
}
}
}

View file

@ -14,7 +14,16 @@
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@ -24,8 +33,11 @@
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@ -51,6 +63,13 @@
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@ -136,6 +167,13 @@
); );
runOnlyForDeploymentPostprocessing = 0; runOnlyForDeploymentPostprocessing = 0;
}; };
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@ -149,11 +187,15 @@
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036AFC0F241800350075400A /* Thumbnail */, 036AFC0F241800350075400A /* Thumbnail */,
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); );
@ -162,10 +204,11 @@
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); );
name = Products; name = Products;
sourceTree = "<group>"; sourceTree = "<group>";
@ -208,6 +251,40 @@
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sourceTree = "<group>"; sourceTree = "<group>";
}; };
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03C39DE626F90734005555AE /* minilzo.h */,
03C39DE526F90734005555AE /* testmini.c */,
);
name = LZO;
sourceTree = "<group>";
};
035D19F726F0927200B332BE /* SilicaViewer */ = {
isa = PBXGroup;
children = (
035D19F826F0927200B332BE /* ViewController.swift */,
035D19F926F0927200B332BE /* SilicaViewer.entitlements */,
035D19FA26F0927200B332BE /* cbridge.c */,
035D19FB26F0927200B332BE /* Assets.xcassets */,
035D19FC26F0927200B332BE /* SilicaViewer-Bridging-Header.h */,
035D19FD26F0927200B332BE /* Main.storyboard */,
035D19FF26F0927200B332BE /* InfoViewController.swift */,
035D1A0026F0927200B332BE /* Document.swift */,
035D1A0126F0927200B332BE /* AppDelegate.swift */,
035D1A0226F0927200B332BE /* TimelapseViewController.swift */,
035D1A0326F0927200B332BE /* Info.plist */,
);
path = SilicaViewer;
sourceTree = "<group>";
};
036AFC0F241800350075400A /* Thumbnail */ = { 036AFC0F241800350075400A /* Thumbnail */ = {
isa = PBXGroup; isa = PBXGroup;
children = ( children = (
@ -218,15 +295,12 @@
path = Thumbnail; path = Thumbnail;
sourceTree = "<group>"; sourceTree = "<group>";
}; };
03CB38322419C9F80078B3E5 /* LZO */ = { 0371995E27BAC5D800EE1DFD /* Silica ViewerTests */ = {
isa = PBXGroup; isa = PBXGroup;
children = ( children = (
03CB3846241A5D600078B3E5 /* lzoconf.h */, 0371995F27BAC5D800EE1DFD /* Silica_ViewerTests.swift */,
03CB3844241A5D600078B3E5 /* lzodefs.h */,
03CB3845241A5D600078B3E5 /* minilzo.c */,
03CB3843241A5D600078B3E5 /* minilzo.h */,
); );
path = LZO; path = "Silica ViewerTests";
sourceTree = "<group>"; sourceTree = "<group>";
}; };
03CB383E241A5ACD0078B3E5 /* Shared */ = { 03CB383E241A5ACD0078B3E5 /* Shared */ = {
@ -244,18 +318,18 @@
isa = PBXHeadersBuildPhase; isa = PBXHeadersBuildPhase;
buildActionMask = 2147483647; buildActionMask = 2147483647;
files = ( files = (
03CB3848241A5D600078B3E5 /* lzodefs.h in Headers */, 03C39DE726F90734005555AE /* lzodefs.h in Headers */,
03CB384A241A5D600078B3E5 /* lzoconf.h in Headers */, 0357A94E26F9C7370075D5BC /* lzoconf.h in Headers */,
03CB3847241A5D600078B3E5 /* minilzo.h in Headers */, 03C39DEA26F90734005555AE /* minilzo.h in Headers */,
); );
runOnlyForDeploymentPostprocessing = 0; runOnlyForDeploymentPostprocessing = 0;
}; };
/* End PBXHeadersBuildPhase section */ /* End PBXHeadersBuildPhase section */
/* Begin PBXNativeTarget section */ /* Begin PBXNativeTarget section */
030F6FED2415C5E300A43F01 /* ProcreateViewer */ = { 030F6FED2415C5E300A43F01 /* SilicaViewer */ = {
isa = PBXNativeTarget; isa = PBXNativeTarget;
buildConfigurationList = 030F70012415C5E400A43F01 /* Build configuration list for PBXNativeTarget "ProcreateViewer" */; buildConfigurationList = 030F70012415C5E400A43F01 /* Build configuration list for PBXNativeTarget "SilicaViewer" */;
buildPhases = ( buildPhases = (
030F6FEA2415C5E300A43F01 /* Sources */, 030F6FEA2415C5E300A43F01 /* Sources */,
030F6FEB2415C5E300A43F01 /* Frameworks */, 030F6FEB2415C5E300A43F01 /* Frameworks */,
@ -269,12 +343,12 @@
036AFC15241800350075400A /* PBXTargetDependency */, 036AFC15241800350075400A /* PBXTargetDependency */,
03CB383D2419CA2D0078B3E5 /* PBXTargetDependency */, 03CB383D2419CA2D0078B3E5 /* PBXTargetDependency */,
); );
name = ProcreateViewer; name = SilicaViewer;
packageProductDependencies = ( packageProductDependencies = (
036AFBB7241687680075400A /* ZIPFoundation */, 036AFBB7241687680075400A /* ZIPFoundation */,
); );
productName = ProcreateViewer; productName = ProcreateViewer;
productReference = 030F6FEE2415C5E300A43F01 /* Procreate Viewer.app */; productReference = 030F6FEE2415C5E300A43F01 /* Silica Viewer.app */;
productType = "com.apple.product-type.application"; productType = "com.apple.product-type.application";
}; };
030F70072415C6B500A43F01 /* QuickLook */ = { 030F70072415C6B500A43F01 /* QuickLook */ = {
@ -317,6 +391,24 @@
productReference = 036AFC0B241800350075400A /* Thumbnail.appex */; productReference = 036AFC0B241800350075400A /* Thumbnail.appex */;
productType = "com.apple.product-type.app-extension"; productType = "com.apple.product-type.app-extension";
}; };
0371995C27BAC5D800EE1DFD /* Silica ViewerTests */ = {
isa = PBXNativeTarget;
buildConfigurationList = 0371996327BAC5D800EE1DFD /* Build configuration list for PBXNativeTarget "Silica ViewerTests" */;
buildPhases = (
0371995927BAC5D800EE1DFD /* Sources */,
0371995A27BAC5D800EE1DFD /* Frameworks */,
0371995B27BAC5D800EE1DFD /* Resources */,
);
buildRules = (
);
dependencies = (
0371996227BAC5D800EE1DFD /* PBXTargetDependency */,
);
name = "Silica ViewerTests";
productName = "Silica ViewerTests";
productReference = 0371995D27BAC5D800EE1DFD /* Silica ViewerTests.xctest */;
productType = "com.apple.product-type.bundle.unit-test";
};
03CB382D2419C9DB0078B3E5 /* LZO */ = { 03CB382D2419C9DB0078B3E5 /* LZO */ = {
isa = PBXNativeTarget; isa = PBXNativeTarget;
buildConfigurationList = 03CB382F2419C9DB0078B3E5 /* Build configuration list for PBXNativeTarget "LZO" */; buildConfigurationList = 03CB382F2419C9DB0078B3E5 /* Build configuration list for PBXNativeTarget "LZO" */;
@ -340,8 +432,10 @@
030F6FE62415C5E300A43F01 /* Project object */ = { 030F6FE62415C5E300A43F01 /* Project object */ = {
isa = PBXProject; isa = PBXProject;
attributes = { attributes = {
==== BASE ====
LastSwiftUpdateCheck = 1130; LastSwiftUpdateCheck = 1130;
LastUpgradeCheck = 1130; LastUpgradeCheck = 1250;
==== BASE ====
ORGANIZATIONNAME = Josh; ORGANIZATIONNAME = Josh;
TargetAttributes = { TargetAttributes = {
030F6FED2415C5E300A43F01 = { 030F6FED2415C5E300A43F01 = {
@ -354,6 +448,10 @@
036AFC0A241800350075400A = { 036AFC0A241800350075400A = {
CreatedOnToolsVersion = 11.3.1; CreatedOnToolsVersion = 11.3.1;
}; };
0371995C27BAC5D800EE1DFD = {
CreatedOnToolsVersion = 13.2.1;
TestTargetID = 030F6FED2415C5E300A43F01;
};
03CB382D2419C9DB0078B3E5 = { 03CB382D2419C9DB0078B3E5 = {
CreatedOnToolsVersion = 11.3.1; CreatedOnToolsVersion = 11.3.1;
}; };
@ -379,6 +477,7 @@
030F70072415C6B500A43F01 /* QuickLook */, 030F70072415C6B500A43F01 /* QuickLook */,
036AFC0A241800350075400A /* Thumbnail */, 036AFC0A241800350075400A /* Thumbnail */,
03CB382D2419C9DB0078B3E5 /* LZO */, 03CB382D2419C9DB0078B3E5 /* LZO */,
0371995C27BAC5D800EE1DFD /* Silica ViewerTests */,
); );
}; };
/* End PBXProject section */ /* End PBXProject section */
@ -408,6 +507,13 @@
); );
runOnlyForDeploymentPostprocessing = 0; runOnlyForDeploymentPostprocessing = 0;
}; };
0371995B27BAC5D800EE1DFD /* Resources */ = {
isa = PBXResourcesBuildPhase;
buildActionMask = 2147483647;
files = (
);
runOnlyForDeploymentPostprocessing = 0;
};
/* End PBXResourcesBuildPhase section */ /* End PBXResourcesBuildPhase section */
/* Begin PBXSourcesBuildPhase section */ /* Begin PBXSourcesBuildPhase section */
@ -443,6 +549,14 @@
); );
runOnlyForDeploymentPostprocessing = 0; runOnlyForDeploymentPostprocessing = 0;
}; };
0371995927BAC5D800EE1DFD /* Sources */ = {
isa = PBXSourcesBuildPhase;
buildActionMask = 2147483647;
files = (
0371996027BAC5D800EE1DFD /* Silica_ViewerTests.swift in Sources */,
);
runOnlyForDeploymentPostprocessing = 0;
};
03CB382B2419C9DB0078B3E5 /* Sources */ = { 03CB382B2419C9DB0078B3E5 /* Sources */ = {
isa = PBXSourcesBuildPhase; isa = PBXSourcesBuildPhase;
buildActionMask = 2147483647; buildActionMask = 2147483647;
@ -464,6 +578,11 @@
target = 036AFC0A241800350075400A /* Thumbnail */; target = 036AFC0A241800350075400A /* Thumbnail */;
targetProxy = 036AFC14241800350075400A /* PBXContainerItemProxy */; targetProxy = 036AFC14241800350075400A /* PBXContainerItemProxy */;
}; };
0371996227BAC5D800EE1DFD /* PBXTargetDependency */ = {
isa = PBXTargetDependency;
target = 030F6FED2415C5E300A43F01 /* SilicaViewer */;
targetProxy = 0371996127BAC5D800EE1DFD /* PBXContainerItemProxy */;
};
03CB383D2419CA2D0078B3E5 /* PBXTargetDependency */ = { 03CB383D2419CA2D0078B3E5 /* PBXTargetDependency */ = {
isa = PBXTargetDependency; isa = PBXTargetDependency;
target = 03CB382D2419C9DB0078B3E5 /* LZO */; target = 03CB382D2419C9DB0078B3E5 /* LZO */;
@ -727,6 +846,44 @@
}; };
name = Release; name = Release;
}; };
0371996427BAC5D800EE1DFD /* Debug */ = {
isa = XCBuildConfiguration;
buildSettings = {
BUNDLE_LOADER = "$(TEST_HOST)";
CLANG_CXX_LANGUAGE_STANDARD = "gnu++17";
CODE_SIGN_STYLE = Automatic;
CURRENT_PROJECT_VERSION = 1;
DEVELOPMENT_TEAM = JM5LKVKH48;
GENERATE_INFOPLIST_FILE = YES;
MACOSX_DEPLOYMENT_TARGET = 12.1;
MARKETING_VERSION = 1.0;
PRODUCT_BUNDLE_IDENTIFIER = "com.redstrate.Silica-ViewerTests";
PRODUCT_NAME = "$(TARGET_NAME)";
SWIFT_EMIT_LOC_STRINGS = NO;
SWIFT_VERSION = 5.0;
TEST_HOST = "$(BUILT_PRODUCTS_DIR)/Silica Viewer.app/Contents/MacOS/Silica Viewer";
};
name = Debug;
};
0371996527BAC5D800EE1DFD /* Release */ = {
isa = XCBuildConfiguration;
buildSettings = {
BUNDLE_LOADER = "$(TEST_HOST)";
CLANG_CXX_LANGUAGE_STANDARD = "gnu++17";
CODE_SIGN_STYLE = Automatic;
CURRENT_PROJECT_VERSION = 1;
DEVELOPMENT_TEAM = JM5LKVKH48;
GENERATE_INFOPLIST_FILE = YES;
MACOSX_DEPLOYMENT_TARGET = 12.1;
MARKETING_VERSION = 1.0;
PRODUCT_BUNDLE_IDENTIFIER = "com.redstrate.Silica-ViewerTests";
PRODUCT_NAME = "$(TARGET_NAME)";
SWIFT_EMIT_LOC_STRINGS = NO;
SWIFT_VERSION = 5.0;
TEST_HOST = "$(BUILT_PRODUCTS_DIR)/Silica Viewer.app/Contents/MacOS/Silica Viewer";
};
name = Release;
};
03CB38302419C9DB0078B3E5 /* Debug */ = { 03CB38302419C9DB0078B3E5 /* Debug */ = {
isa = XCBuildConfiguration; isa = XCBuildConfiguration;
buildSettings = { buildSettings = {
@ -788,6 +945,15 @@
defaultConfigurationIsVisible = 0; defaultConfigurationIsVisible = 0;
defaultConfigurationName = Release; defaultConfigurationName = Release;
}; };
0371996327BAC5D800EE1DFD /* Build configuration list for PBXNativeTarget "Silica ViewerTests" */ = {
isa = XCConfigurationList;
buildConfigurations = (
0371996427BAC5D800EE1DFD /* Debug */,
0371996527BAC5D800EE1DFD /* Release */,
);
defaultConfigurationIsVisible = 0;
defaultConfigurationName = Release;
};
03CB382F2419C9DB0078B3E5 /* Build configuration list for PBXNativeTarget "LZO" */ = { 03CB382F2419C9DB0078B3E5 /* Build configuration list for PBXNativeTarget "LZO" */ = {
isa = XCConfigurationList; isa = XCConfigurationList;
buildConfigurations = ( buildConfigurations = (

View file

@ -0,0 +1,35 @@
//
// Silica_ViewerTests.swift
// Silica ViewerTests
//
// Created by Joshua on 2/14/22.
// Copyright © 2022 Josh. All rights reserved.
//
import XCTest
@testable import Silica_Viewer
class Silica_ViewerTests: XCTestCase {
let document = Document()
override func setUpWithError() throws {
}
override func tearDownWithError() throws {
}
func testExample() throws {
XCTAssert(document.parsePairString("{-1, -1}")! == (-1, -1))
XCTAssert(document.parsePairString("{255, 255}")! == (255, 255))
XCTAssert(document.parsePairString("{255}") == nil)
}
func testPerformanceExample() throws {
}
}

35
SilicaViewer.xctestplan Normal file
View file

@ -0,0 +1,35 @@
{
"configurations" : [
{
"id" : "6342A531-0B85-4DC8-89B3-6061172C5E9C",
"name" : "Configuration 1",
"options" : {
}
}
],
"defaultOptions" : {
"codeCoverage" : false,
"environmentVariableEntries" : [
{
"key" : "CGBITMAP_CONTEXT_LOG_ERRORS",
"value" : "1"
}
],
"targetForVariableExpansion" : {
"containerPath" : "container:SilicaViewer.xcodeproj",
"identifier" : "030F6FED2415C5E300A43F01",
"name" : "SilicaViewer"
}
},
"testTargets" : [
{
"target" : {
"containerPath" : "container:SilicaViewer.xcodeproj",
"identifier" : "0371995C27BAC5D800EE1DFD",
"name" : "Silica ViewerTests"
}
}
],
"version" : 1
}

745
SilicaViewer/Document.swift Normal file
View file

@ -0,0 +1,745 @@
import Cocoa
import ZIPFoundation
import CoreFoundation
import Accelerate
import CoreMedia
struct SilicaChunk {
var x: Int = 0
var y: Int = 0
var image: CGImage?
}
struct SilicaLayerData {
var blendMode: Int = 0
var extendedBlend: Int = 0
var chunks: [SilicaChunk] = []
var opacity: Double = 1.0
var hidden: Bool = false
}
struct SilicaLayer {
var name: String = ""
var data: SilicaLayerData = SilicaLayerData()
var mask: SilicaLayerData?
var clipped: Bool = false
}
struct SilicaDocument {
var trackedTime: Int = 0
var tileSize: Int = 0
var orientation: Int = 0
var flippedHorizontally: Bool = false
var flippedVertically: Bool = false
var name: String = ""
var authorName: String = ""
var strokeCount: Int = 0
var backgroundColor: CGColor = .white
var colorSpace: CGColorSpace = CGColorSpaceCreateDeviceRGB()
var width: Int = 0
var height: Int = 0
var layers: [SilicaLayer] = []
var videoFrame: (Int, Int) = (0, 0)
lazy var nsSize = {
return NSSize(width: width, height: height)
}()
lazy var cgSize = {
return CGSize(width: width, height: height)
}()
lazy var cgRect = {
return CGRect(origin: .zero, size: cgSize)
}()
}
func objectRefGetValue2(_ objectRef: CFTypeRef) -> UInt32 {
let val = unsafeBitCast(objectRef, to: UInt64.self)
return valueForKeyedArchiverUID(val)
}
class Document: NSDocument {
var data: Data? // oh no...
var dict: NSDictionary?
var info = SilicaDocument()
var rows: Int = 0
var columns: Int = 0
var remainderWidth: Int = 0
var remainderHeight: Int = 0
override init() {
super.init()
}
override func makeWindowControllers() {
let storyboard = NSStoryboard(name: NSStoryboard.Name("Main"), bundle: nil)
let windowController = storyboard.instantiateController(withIdentifier: NSStoryboard.SceneIdentifier("Document Window Controller")) as! NSWindowController
self.addWindowController(windowController)
}
override class func canConcurrentlyReadDocuments(ofType: String) -> Bool {
return ofType == "com.procreate"
}
/*
Pass in an object from the $object array, which always contains a $class key.
*/
func getDocumentClassName(dict: NSDictionary) -> String? {
let objectsArray = self.dict?["$objects"] as! NSArray
if let value = dict["$class"] {
let classObjectId = objectRefGetValue2(value as CFTypeRef)
let classObject = objectsArray[Int(classObjectId)] as! NSDictionary
return classObject["$classname"] as? String
}
return nil
}
/*
Returns the correct tile size, taking into account the remainder between tile size and image size.
*/
func getTileSize(_ x: Int, _ y: Int) -> (Int, Int) {
var width: Int = info.tileSize
var height: Int = info.tileSize
if((x + 1) == columns) {
width = info.tileSize - remainderWidth
}
if(y == rows) {
height = info.tileSize - remainderHeight
}
return (width, height)
}
/*
Converts a CFKeyedArchiveUID from a NSKeyedArchive to a Int for indexing an array or dictionary.
*/
func getClassID(id: Any?) -> Int {
return Int(objectRefGetValue2(id! as CFTypeRef))
}
/*
Parses the chunk filename, ex. 1~1 to integer coordinates.
*/
func parseChunkFilename(filename: String) -> (Int, Int)? {
let pathURL = URL(fileURLWithPath: filename)
let pathComponents = pathURL.lastPathComponent.replacingOccurrences(of: ".chunk", with: "").components(separatedBy: "~")
let x = Int(pathComponents[0])
let y = Int(pathComponents[1])
if x != nil && y != nil {
return (x!, y! + 1)
} else {
return nil
}
}
func getChunkRect(_ chunk: SilicaChunk) -> NSRect {
let x = chunk.x
var y = chunk.y
let (width, height) = getTileSize(x, y)
if y == rows {
y = 0
}
return NSRect(x: info.tileSize * x, y: info.height - (info.tileSize * y), width: width, height: height)
}
// TODO: convert to switch/case
func getBlendKernel(_ layer: SilicaLayer) -> CIBlendKernel? {
if layer.data.blendMode == 1 {
return .multiply
}
if layer.data.blendMode == 10 {
return .colorBurn
}
if layer.data.blendMode == 19 {
return .darken
}
if layer.data.blendMode == 8 {
return .linearBurn
}
if layer.data.blendMode == 4 {
return .lighten
}
if layer.data.blendMode == 2 {
return .screen
}
if layer.data.blendMode == 13 {
return .hardLight
}
if layer.data.blendMode == 9 {
return .colorDodge
}
if layer.data.blendMode == 3 {
return .subtract
}
if layer.data.blendMode == 0 && layer.data.blendMode != layer.data.extendedBlend {
if layer.data.extendedBlend == 25 {
return .darkerColor
}
if layer.data.extendedBlend == 24 {
return .lighterColor
}
if layer.data.extendedBlend == 21 {
return .vividLight
}
if layer.data.extendedBlend == 22 {
return .linearLight
}
if layer.data.extendedBlend == 23 {
return .pinLight
}
if layer.data.extendedBlend == 20 {
return .hardMix
}
if layer.data.extendedBlend == 26 {
return .divide
}
}
if layer.data.blendMode == 11 {
return .overlay
}
if layer.data.blendMode == 17 {
return .softLight
}
if layer.data.blendMode == 12 {
return .hardLight
}
if layer.data.blendMode == 6 {
return .difference
}
if layer.data.blendMode == 5 {
return .exclusion
}
if layer.data.blendMode == 7 {
return .componentAdd
}
if layer.data.blendMode == 15 {
return .hue
}
if layer.data.blendMode == 16 {
return .saturation
}
if layer.data.blendMode == 13 {
return .color
}
if layer.data.blendMode == 14 {
return .luminosity
}
return .sourceOver
}
func parseSilicaLayer(archive: Archive, dict: NSDictionary, isMask: Bool) -> SilicaLayer? {
let objectsArray = self.dict?["$objects"] as! NSArray
if getDocumentClassName(dict: dict) == LayerClassName {
var layer = SilicaLayer()
if let val = dict["name"] {
let NameClassID = getClassID(id: val)
let NameClass = objectsArray[NameClassID] as! NSString
layer.name = NameClass as String
}
let UUIDKey = dict["UUID"]
let UUIDClassID = getClassID(id: UUIDKey)
let UUIDClass = objectsArray[UUIDClassID] as! NSString
let maskKey = dict["mask"]
let maskClassID = getClassID(id: maskKey)
let maskClass = objectsArray[maskClassID]
layer.data.blendMode = (dict["blend"] as? NSNumber)!.intValue
layer.data.extendedBlend = (dict["extendedBlend"] as? NSNumber)!.intValue
layer.data.opacity = (dict["opacity"] as? NSNumber)!.doubleValue
layer.data.hidden = (dict["hidden"] as? Bool)!
layer.clipped = (dict["clipped"] as? Bool)!
if maskClassID != 0 {
layer.mask = parseSilicaLayer(archive: archive, dict: maskClass as! NSDictionary, isMask: true)?.data
}
var chunkPaths: [String] = []
archive.forEach { (entry: Entry) in
if entry.path.contains(String(UUIDClass)) {
chunkPaths.append(entry.path)
}
}
layer.data.chunks = Array(repeating: SilicaChunk(), count: chunkPaths.count)
let dispatchGroup = DispatchGroup()
let queue = DispatchQueue(label: "imageWork")
DispatchQueue.concurrentPerform(iterations: chunkPaths.count) { (i: Int) in
guard let threadArchive = Archive(data: self.data!, accessMode: .read) else {
return
}
let threadEntry = threadArchive[chunkPaths[i]]
guard let (x, y) = parseChunkFilename(filename: threadEntry!.path) else {
return
}
let (width, height) = getTileSize(x, y)
let numChannels = isMask ? 1 : 4
let byteSize = width * height * numChannels
let uncompressedMemory = UnsafeMutablePointer<UInt8>.allocate(capacity: byteSize)
guard let lzoData = readData(archive: threadArchive, entry: threadEntry!) else {
return
}
lzoData.withUnsafeBytes({ (bytes: UnsafeRawBufferPointer) -> Void in
var len = lzo_uint(byteSize)
lzo1x_decompress_safe(bytes.baseAddress!.assumingMemoryBound(to: uint8.self), lzo_uint(lzoData.count), uncompressedMemory, &len, nil)
})
let imageData = Data(bytes: uncompressedMemory, count: byteSize)
let render: CGColorRenderingIntent = .defaultIntent
let rgbColorSpace = isMask ? CGColorSpaceCreateDeviceGray() : info.colorSpace
let bitmapInfo = CGBitmapInfo(rawValue: (isMask ? CGImageAlphaInfo.none : CGImageAlphaInfo.premultipliedLast).rawValue).union(.byteOrder32Big)
let providerRef: CGDataProvider? = CGDataProvider(data: imageData as CFData)
guard let cgimage = CGImage(width: width, height: height, bitsPerComponent: 8, bitsPerPixel: 8 * numChannels, bytesPerRow: width * numChannels, space: rgbColorSpace, bitmapInfo: bitmapInfo, provider: providerRef!, decode: nil, shouldInterpolate: false, intent: render) else {
return
}
queue.async(group: dispatchGroup) {
layer.data.chunks[i].image = cgimage
layer.data.chunks[i].x = x
layer.data.chunks[i].y = y
}
}
dispatchGroup.wait()
return layer
}
return nil
}
// this parses a string of form "{255, 255}"
func parsePairString(_ str: String) -> (Int, Int)? {
let sizeComponents = str.replacingOccurrences(of: "{", with: "").replacingOccurrences(of: "}", with: "").components(separatedBy: ", ")
if sizeComponents.count == 2, let width = Int(sizeComponents[0]), let height = Int(sizeComponents[1]) {
return (width, height)
} else {
return nil
}
}
func parseSilicaDocument(archive: Archive, dict: NSDictionary) {
let objectsArray = self.dict?["$objects"] as! NSArray
if getDocumentClassName(dict: dict) == DocumentClassName {
info.trackedTime = (dict[TrackedTimeKey] as! NSNumber).intValue
info.tileSize = (dict[TileSizeKey] as! NSNumber).intValue
info.orientation = (dict[OrientationKey] as! NSNumber).intValue
info.flippedHorizontally = (dict[FlippedHorizontallyKey] as! NSNumber).boolValue
info.flippedVertically = (dict[FlippedVerticallyKey] as! NSNumber).boolValue
let videoResolutionClassKey = dict["SilicaDocumentVideoSegmentInfoKey"]
let videoResolutionClassID = getClassID(id: videoResolutionClassKey)
let videoResolution = objectsArray[videoResolutionClassID] as! NSDictionary
let frameSizeClassKey = videoResolution["frameSize"]
let frameSizeClassID = getClassID(id: frameSizeClassKey)
let frameSize = objectsArray[frameSizeClassID] as! String
info.videoFrame = parsePairString(frameSize)!
let colorProfileClassKey = dict["colorProfile"]
let colorProfileClassID = getClassID(id: colorProfileClassKey)
let colorProfile = objectsArray[colorProfileClassID] as! NSDictionary
let colorProfileNameClassKey = colorProfile["SiColorProfileArchiveICCNameKey"]
let colorProfileNameClassID = getClassID(id: colorProfileNameClassKey)
let colorProfileName = objectsArray[colorProfileNameClassID] as! NSString
// we only support the basic "Display P3" color space... does Procreate actually store the ICC data??
if colorProfileName == "Display P3" {
info.colorSpace = CGColorSpace(name: CGColorSpace.displayP3)!
}
let backgroundClassKey = dict["backgroundColor"]
let backgroundClassID = getClassID(id: backgroundClassKey)
let background = objectsArray[backgroundClassID] as! NSData
var backgroundArray: [Float] = [0.0, 0.0, 0.0, 0.0]
background.getBytes(&backgroundArray, length: 16)
let backgroundCgArray: [CGFloat] = [CGFloat(backgroundArray[0]), CGFloat(backgroundArray[1]), CGFloat(backgroundArray[2]), CGFloat(backgroundArray[3])]
info.backgroundColor = CGColor(colorSpace: info.colorSpace, components: backgroundCgArray)!
let strokeClassKey = dict[StrokeCountKey]
let strokeClassID = getClassID(id: strokeClassKey)
let strokeCount = objectsArray[strokeClassID] as! NSNumber
info.strokeCount = Int(truncating: strokeCount)
let nameClassKey = dict[NameKey]
let nameClassID = getClassID(id: nameClassKey)
let nameString = objectsArray[nameClassID] as! String
info.name = nameString
let authorClassKey = dict[AuthorNameKey]
let authorClassID = getClassID(id: authorClassKey)
let authorString = objectsArray[authorClassID] as! String
if authorString != "$null" {
info.authorName = authorString
}
let sizeClassKey = dict[SizeKey]
let sizeClassID = getClassID(id: sizeClassKey)
let sizeString = objectsArray[sizeClassID] as! String
let (width, height) = parsePairString(sizeString)!
info.width = width
info.height = height
columns = Int(ceil(Float(info.width) / Float(info.tileSize)))
rows = Int(ceil(Float(info.height) / Float(info.tileSize))) + 1 // TODO: lol why
if info.width % info.tileSize != 0 {
remainderWidth = (columns * info.tileSize) - info.width
}
if info.height % info.tileSize != 0 {
remainderHeight = (rows * info.tileSize) - info.height
}
let layersClassKey = dict[LayersKey]
let layersClassID = getClassID(id: layersClassKey)
let layersClass = objectsArray[layersClassID] as! NSDictionary
let array = layersClass["NS.objects"] as! NSArray
//dump(dict, indent: 5)
for object in array {
let layerClassID = getClassID(id: object)
let layerClass = objectsArray[layerClassID] as! NSDictionary
guard let layer = parseSilicaLayer(archive: archive, dict: layerClass, isMask: false) else { return }
info.layers.append(layer)
}
}
}
func parseDocument(archive: Archive, dict: NSDictionary) {
// double check if this archive is really correct
if let value = dict["$version"] {
if (value as! Int) != NSKeyedArchiveVersion {
Swift.print("This is not a valid document!")
return
}
self.dict = dict
let objectsArray = dict["$objects"] as! NSArray
// let's read the $top class, which is always going to be SilicaDocument type.
let topObject = dict["$top"] as! NSDictionary
let topClassID = objectRefGetValue2(topObject["root"] as CFTypeRef)
let topObjectClass = objectsArray[Int(topClassID)] as! NSDictionary
parseSilicaDocument(archive: archive, dict: topObjectClass)
}
}
struct SilicaParsingError: Error, LocalizedError {
enum Kind {
case invalid
}
let kind: Kind
let filename: URL?
public var errorDescription: String? {
switch self.kind {
case .invalid:
return filename!.lastPathComponent + " is an invalid Silica Document."
}
}
}
func throwError(_ error: SilicaParsingError.Kind) {
DispatchQueue.main.sync {
let _ = presentError(SilicaParsingError(kind: error, filename: fileURL))
}
}
override func read(from data: Data, ofType typeName: String) throws {
self.data = data
guard let archive = Archive(data: data, accessMode: Archive.AccessMode.read) else {
throwError(.invalid)
return
}
guard let documentEntry = archive[DocumentArchivePath] else {
throwError(.invalid)
return
}
guard let documentData = readData(archive: archive, entry: documentEntry) else {
throwError(.invalid)
return
}
var plistFormat = PropertyListSerialization.PropertyListFormat.binary
guard let propertyList = try? PropertyListSerialization.propertyList(from: documentData, options: [], format: &plistFormat) else {
throwError(.invalid)
return
}
parseDocument(archive: archive, dict: propertyList as! NSDictionary)
}
func makeComposite() -> NSImage? {
// create the final composite output image
let bitmapInfo = CGBitmapInfo(rawValue: CGImageAlphaInfo.premultipliedLast.rawValue).union(.byteOrder32Big)
let ccgContext = CGContext(data: nil, width: info.width, height: info.height, bitsPerComponent: 8, bytesPerRow: info.width * 4, space: info.colorSpace, bitmapInfo: bitmapInfo.rawValue)
ccgContext?.setFillColor(info.backgroundColor)
ccgContext?.fill(info.cgRect)
let context = CIContext()
guard let cgImage = ccgContext?.makeImage() else {
return nil
}
var masterImage = CIImage(cgImage: cgImage)
var previousImage: CGImage? = nil
for layer in info.layers.reversed() {
if !layer.data.hidden {
// start by creating a new layer composite image, needed for image masking
let layerContext = CGContext(data: nil, width: info.width, height: info.height, bitsPerComponent: 8, bytesPerRow: info.width * 4, space: info.colorSpace, bitmapInfo: bitmapInfo.rawValue)
layerContext?.clear(info.cgRect)
var maskContext: CGContext?
let kernel = getBlendKernel(layer)
if layer.mask != nil {
let grayColorSpace = CGColorSpaceCreateDeviceGray()
let maskBitmapInfo = CGBitmapInfo(rawValue: CGImageAlphaInfo.none.rawValue).union(.byteOrder16Big)
maskContext = CGContext(data: nil, width: info.width, height: info.height, bitsPerComponent: 16, bytesPerRow: 0, space: grayColorSpace, bitmapInfo: maskBitmapInfo.rawValue)
maskContext?.setFillColor(.white)
maskContext?.fill(info.cgRect)
for chunk in layer.mask!.chunks {
maskContext?.draw(chunk.image!, in: getChunkRect(chunk))
}
}
for chunk in layer.data.chunks {
layerContext?.setAlpha(CGFloat(layer.data.opacity))
layerContext?.setBlendMode(.normal)
if !layer.data.hidden {
layerContext?.draw(chunk.image!, in: getChunkRect(chunk))
}
}
let layerImage = layerContext?.makeImage()
if layer.clipped && previousImage != nil {
let result = previousImage!.toGrayscale()
let newImage = layerImage!.masking(result!)
previousImage = newImage
} else if layer.mask != nil && maskContext != nil {
let maskImage = (maskContext?.makeImage())!
let newImage = layerImage!.masking(maskImage)!
previousImage = newImage
} else {
previousImage = layerImage
}
// apply image
masterImage = kernel!.apply(foreground: CIImage(cgImage: previousImage!), background: masterImage, colorSpace: info.colorSpace)!
}
}
guard let finalCgImage = context.createCGImage(masterImage, from: info.cgRect, format: .RGBA8, colorSpace: info.colorSpace) else {
return nil
}
var image = NSImage(cgImage: finalCgImage, size: info.nsSize)
if info.orientation == 3 {
image = image.imageRotatedByDegreess(degrees: 90)
} else if info.orientation == 4 {
image = image.imageRotatedByDegreess(degrees: -90)
}
if info.flippedHorizontally && (info.orientation == 1 || info.orientation == 2) {
image = image.flipHorizontally()
} else if info.flippedHorizontally && (info.orientation == 3 || info.orientation == 4) {
image = image.flipVertically()
} else if info.flippedVertically && (info.orientation == 1 || info.orientation == 2) {
image = image.flipVertically()
} else if !info.flippedVertically && (info.orientation == 3 || info.orientation == 4) {
image = image.flipHorizontally()
}
return image
}
func makeThumbnail() -> NSImage? {
guard let archive = Archive(data: data!, accessMode: Archive.AccessMode.read) else {
return nil
}
guard let entry = archive[ThumbnailPath] else {
return nil
}
guard let thumbnailData = readData(archive: archive, entry: entry) else {
return nil
}
return NSImage(data: thumbnailData)
}
}
public extension NSImage {
func imageRotatedByDegreess(degrees:CGFloat) -> NSImage {
var imageBounds = NSMakeRect(0.0, 0.0, size.width, size.height)
let pathBounds = NSBezierPath(rect: imageBounds)
var transform = NSAffineTransform()
transform.rotate(byDegrees: degrees)
pathBounds.transform(using: transform as AffineTransform)
let rotatedBounds:NSRect = NSMakeRect(NSZeroPoint.x, NSZeroPoint.y, pathBounds.bounds.size.width, pathBounds.bounds.size.height )
let rotatedImage = NSImage(size: rotatedBounds.size)
imageBounds.origin.x = NSMidX(rotatedBounds) - (NSWidth(imageBounds) / 2)
imageBounds.origin.y = NSMidY(rotatedBounds) - (NSHeight(imageBounds) / 2)
transform = NSAffineTransform()
transform.translateX(by: +(NSWidth(rotatedBounds) / 2 ), yBy: +(NSHeight(rotatedBounds) / 2))
transform.rotate(byDegrees: degrees)
transform.translateX(by: -(NSWidth(rotatedBounds) / 2 ), yBy: -(NSHeight(rotatedBounds) / 2))
rotatedImage.lockFocus()
transform.concat()
self.draw(in: imageBounds, from: .zero, operation: .copy, fraction: 1.0)
rotatedImage.unlockFocus()
return rotatedImage
}
func flipHorizontally() -> NSImage {
let flipedImage = NSImage(size: size)
flipedImage.lockFocus()
let transform = NSAffineTransform()
transform.translateX(by: size.width, yBy: 0.0)
transform.scaleX(by: -1.0, yBy: 1.0)
transform.concat()
let rect = NSMakeRect(0, 0, size.width, size.height)
self.draw(at: .zero, from: rect, operation: .sourceOver, fraction: 1.0)
flipedImage.unlockFocus()
return flipedImage
}
func flipVertically() -> NSImage {
let flipedImage = NSImage(size: size)
flipedImage.lockFocus()
let transform = NSAffineTransform()
transform.translateX(by: 0.0, yBy: size.height)
transform.scaleX(by: 1.0, yBy: -1.0)
transform.concat()
let rect = NSMakeRect(0, 0, size.width, size.height)
self.draw(at: .zero, from: rect, operation: .sourceOver, fraction: 1.0)
flipedImage.unlockFocus()
return flipedImage
}
}
public extension CGImage {
func toGrayscale() -> CGImage? {
let ciImage = CIImage(cgImage: self)
let filter = CIFilter(name: "CIColorControls")
filter?.setValue(ciImage, forKey: kCIInputImageKey)
filter?.setValue(5.0, forKey: kCIInputBrightnessKey)
filter?.setValue(0.0, forKey: kCIInputSaturationKey)
filter?.setValue(1.1, forKey: kCIInputContrastKey)
guard let intermediateImage = filter?.outputImage else {
return nil
}
guard let image = CIContext().createCGImage(intermediateImage, from: CGRect(origin: .zero, size: CGSize(width: self.width, height: self.height))) else {
return nil
}
let grayColorSpace = CGColorSpaceCreateDeviceGray()
let maskBitmapInfo = CGBitmapInfo(rawValue: CGImageAlphaInfo.none.rawValue).union(.byteOrder16Big)
let maskContext = CGContext(data: nil, width: self.width, height: self.height, bitsPerComponent: 16, bytesPerRow: 0, space: grayColorSpace, bitmapInfo: maskBitmapInfo.rawValue)
maskContext?.setFillColor(.black)
maskContext?.fill(CGRect(origin: .zero, size: CGSize(width: self.width, height: self.height)))
maskContext?.draw(image, in: CGRect(origin: .zero, size: CGSize(width: self.width, height: self.height)))
return maskContext?.makeImage()
}
}