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Make 🖼 with SPM #roppongiswift/make_image_with_spm
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fromkk
May 23, 2018
Programming
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1.9k
Make 🖼 with SPM #roppongiswift/make_image_with_spm
Roppongi.swift #3で発表してきた内容です。
Swift Package Managerで画像を生成する事にトライしました。
fromkk
May 23, 2018
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Transcript
Make ! with SPM Roppongi.swift #3 © fromkk 2018 1
Who is me? Kazuya Ueoka iOS application engineer in Timers
inc. Twitter: @fromkk Github: fromkk Qiita: fromkk © fromkk 2018 2
લఏ • macOS High Sierra • Xcode 9.3 © fromkk
2018 3
ݕ౼ͨ͠πʔϧ • Imagemagick • GD Graphics Library © fromkk 2018
4
ࠓճ GD Λར༻ © fromkk 2018 5
ԿނAppKitΘͳ͍ͷ͔ • GDͳΒLinux͔ΒͰར༻ग़དྷΔҝ © fromkk 2018 6
GDͷΠϯετʔϧ brew install gd © fromkk 2018 7
Swift͔ΒCݴޠͷϥΠϒϥϦΛར༻͢Δ © fromkk 2018 8
module.modulemap Λ࡞ mkdir ./GD && cd $_ touch module.modulemap ©
fromkk 2018 9
module.modulemap ༰ module GD [system] { header "/usr/local/include/gd.h" header "/usr/local/include/gdfontt.h"
header "/usr/local/include/gdfonts.h" header "/usr/local/include/gdfontl.h" header "/usr/local/include/gdfontg.h" header "/usr/local/include/gdfontmb.h" link "gd" export * } © fromkk 2018 10
ಉ͡֊ʹ Package.swift Λ࡞ import PackageDescription let package = Package( name:
"GD", pkgConfig: "gdlib", providers: [ .brew(["gd"]) ] ) © fromkk 2018 11
GitͰλά͚ git init . git add . git commit -m
"Initial commit" git tag 0.0.1 -m "Initial commit" © fromkk 2018 12
ϓϩδΣΫτΛ࡞ cd ../ && mkdir ./MyProject && cd $_ swift
package init --type executable © fromkk 2018 13
Package.swift Λฤू import PackageDescription let package = Package( name: "MyProject",
dependencies: [ .package(url: "../GD", from: "0.0.1"), ], targets: [ .target( name: "MyProject", dependencies: []), ] ) © fromkk 2018 14
ҰϏϧυ͢Δ swift build ↓ Fetching /PATH/TO/GD Cloning /PATH/TO/GD Resolving /PATH/TO/GD
at 0.0.1 Compile Swift Module 'MyProject' (1 sources) Linking ./.build/x86_64-apple-macosx10.10/debug/MyProject GD ͕ϑΣον͞ΕͯͪΌΜͱϏϧυ͞Ε͍ͯΔࣄΛ֬ೝ © fromkk 2018 15
XcodeprojΛ࡞ swift package generate-xcodeproj © fromkk 2018 16
ϑΥϧμߏ tree . . ├── GD │ ├── Package.swift │
└── module.modulemap └── MyProject ├── MyProject.xcodeproj │ ├── project.pbxproj │ ├── project.xcworkspace │ │ ├── contents.xcworkspacedata │ │ ├── xcshareddata │ │ │ └── IDEWorkspaceChecks.plist │ │ └── xcuserdata │ │ └── fromkk.xcuserdatad │ │ └── UserInterfaceState.xcuserstate │ ├── xcshareddata │ │ └── xcschemes │ │ ├── MyProject-Package.xcscheme │ │ └── xcschememanagement.plist │ └── xcuserdata │ └── fromkk.xcuserdatad │ └── xcschemes │ └── xcschememanagement.plist ├── Package.resolved ├── Package.swift ├── README.md ├── Sources │ └── MyProject │ └── main.swift └── Tests © fromkk 2018 17
GDͷجૅ © fromkk 2018 18
ը૾৽ن࡞ import GD let width: Int32 = 640 let height:
Int32 = 480 let image = gdImageCreateTrueColor(width, height) © fromkk 2018 19
ը૾อଘ import GD let handler = fopen("path/to/image.png", "wb") defer {
fclose(handler) } gdImagePng(image, handler) © fromkk 2018 20
ը૾߹ import GD let file = fopen("copy/image/path.png", "rb") defer {
fclose(file) } let copyImage = gdImageCreateFromPng(file) gdImageCopy(image, copyImage, dstX, dstY, srcX, srcY, width, height) © fromkk 2018 21
จࣈྻΛॻ͖ࠐΉ import GD let blackColor = gdImageColorAllocate(image, 0, 0, 0)
defer { gdImageColorDeallocate(image, blackColor) } let text = UnsafeMutablePointer<UInt8>(mutating: "hogehoge") gdImageString(image, gdFontGetSmall(), x, y, text, blackColor) © fromkk 2018 22
࡞ͬͯΈͨπʔϧ https://github.com/fromkk/TestSummaries XCTestͷUIςετͷ݁ՌΛΠΠײ͡Ͱݟ͍ͨ(Qiita) Πϯετʔϧํ๏ brew install fromkk/TestSummaries/testsummaries © fromkk 2018
23
Demo © fromkk 2018 24
݁Ռ © fromkk 2018 25
·ͱΊ • XCTestͰࡱͬͨεΫγϣΛը૾ʹ·ͱΊͯνʔϜʹڞ༗ग़ དྷΔ༷ʹ͠·ͨ͠ • Homebrew͔Β୭ͰΠϯετʔϧग़དྷ·͢ • ·ͩ·ͩաڈͷࢿ࢈Λ׆༻͢ΔࣄͰศརͳπʔϧ࡞ΕΔ © fromkk
2018 26
PR 1 © fromkk 2018 27
© fromkk 2018 28
© fromkk 2018 29
© fromkk 2018 30
PR 2 © fromkk 2018 31
https://pre-wwdc.connpass.com/event/83346/ © fromkk 2018 32
͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ © fromkk 2018 33