Generate avif and webp image versions
This commit is contained in:
parent
c82080db82
commit
112bbe252c
@ -20,6 +20,11 @@ extension String {
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.joined(separator: "\n")
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.joined(separator: "\n")
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}
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}
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/**
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Remove the part after the last occurence of the separator (including the separator itself).
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The string is left unchanges, if it does not contain the separator.
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*/
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func dropAfterLast(_ separator: String) -> String {
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func dropAfterLast(_ separator: String) -> String {
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guard contains(separator) else {
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guard contains(separator) else {
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return self
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return self
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@ -138,8 +138,26 @@ final class FileSystem {
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// MARK: Images
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// MARK: Images
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@discardableResult
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@discardableResult
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func requireImage(source: String, destination: String, requiredBy path: String, width: Int, desiredHeight: Int? = nil) -> NSSize {
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func requireSingleImage(source: String, destination: String, requiredBy path: String, width: Int, desiredHeight: Int? = nil) -> NSSize {
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images.requireImage(at: destination, generatedFrom: source, requiredBy: path, width: width, height: desiredHeight)
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images.requireImage(
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at: destination,
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generatedFrom: source,
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requiredBy: path,
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quality: 0.7,
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width: width,
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height: desiredHeight,
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alwaysGenerate: false)
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}
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/**
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Create images of different types.
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This function generates versions for the given image, including png/jpg, avif, and webp. Different pixel density versions (1x and 2x) are also generated.
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- Parameter destination: The path to the destination file
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*/
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@discardableResult
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func requireMultiVersionImage(source: String, destination: String, requiredBy path: String, width: Int, desiredHeight: Int? = nil) -> NSSize {
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images.requireMultiVersionImage(source: source, destination: destination, requiredBy: path, width: width, desiredHeight: desiredHeight)
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}
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}
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func createImages() {
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func createImages() {
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@ -252,7 +270,7 @@ final class FileSystem {
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private func minifyJS(at sourceUrl: URL, andWriteTo destinationUrl: URL) -> Bool {
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private func minifyJS(at sourceUrl: URL, andWriteTo destinationUrl: URL) -> Bool {
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let command = "uglifyjs \(sourceUrl.path) > \(tempFile.path)"
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let command = "uglifyjs \(sourceUrl.path) > \(tempFile.path)"
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do {
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do {
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_ = try safeShell(command)
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_ = try FileSystem.safeShell(command)
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return copyBinaryFileIfChanged(from: tempFile, to: destinationUrl)
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return copyBinaryFileIfChanged(from: tempFile, to: destinationUrl)
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} catch {
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} catch {
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log.add(error: "Failed to minify \(sourceUrl.path): \(error)", source: source)
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log.add(error: "Failed to minify \(sourceUrl.path): \(error)", source: source)
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@ -263,7 +281,7 @@ final class FileSystem {
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private func minifyCSS(at sourceUrl: URL, andWriteTo destinationUrl: URL) -> Bool {
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private func minifyCSS(at sourceUrl: URL, andWriteTo destinationUrl: URL) -> Bool {
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let command = "cleancss \(sourceUrl.path) -o \(tempFile.path)"
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let command = "cleancss \(sourceUrl.path) -o \(tempFile.path)"
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do {
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do {
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_ = try safeShell(command)
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_ = try FileSystem.safeShell(command)
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return copyBinaryFileIfChanged(from: tempFile, to: destinationUrl)
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return copyBinaryFileIfChanged(from: tempFile, to: destinationUrl)
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} catch {
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} catch {
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log.add(error: "Failed to minify \(sourceUrl.path): \(error)", source: source)
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log.add(error: "Failed to minify \(sourceUrl.path): \(error)", source: source)
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@ -406,7 +424,7 @@ final class FileSystem {
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// MARK: Running other tasks
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// MARK: Running other tasks
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@discardableResult
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@discardableResult
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func safeShell(_ command: String) throws -> String {
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static func safeShell(_ command: String) throws -> String {
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let task = Process()
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let task = Process()
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let pipe = Pipe()
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let pipe = Pipe()
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@ -1,6 +1,7 @@
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import Foundation
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import Foundation
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import AppKit
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import AppKit
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import CryptoKit
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import CryptoKit
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import Darwin.C
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private struct ImageJob {
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private struct ImageJob {
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@ -9,6 +10,10 @@ private struct ImageJob {
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let width: Int
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let width: Int
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let path: String
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let path: String
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let quality: Float
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let alwaysGenerate: Bool
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}
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}
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final class ImageGenerator {
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final class ImageGenerator {
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@ -30,6 +35,13 @@ final class ImageGenerator {
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*/
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*/
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private var imageJobs: [String : [ImageJob]] = [:]
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private var imageJobs: [String : [ImageJob]] = [:]
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/**
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The images for which to generate multiple versions
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The key is the source file, the value is the path of the requiring page.
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*/
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private var multiImageJobs: [String : String] = [:]
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/**
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/**
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The images which could not be found, but are required for the site.
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The images which could not be found, but are required for the site.
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@ -112,7 +124,7 @@ final class ImageGenerator {
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}
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}
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}
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}
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func requireImage(at destination: String, generatedFrom source: String, requiredBy path: String, width: Int, height: Int?) -> NSSize {
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func requireImage(at destination: String, generatedFrom source: String, requiredBy path: String, quality: Float, width: Int, height: Int?, alwaysGenerate: Bool) -> NSSize {
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requiredImages.insert(destination)
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requiredImages.insert(destination)
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let height = height.unwrapped(CGFloat.init)
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let height = height.unwrapped(CGFloat.init)
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let sourceUrl = input.appendingPathComponent(source)
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let sourceUrl = input.appendingPathComponent(source)
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@ -135,28 +147,43 @@ final class ImageGenerator {
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}
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}
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}
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}
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let job = ImageJob(destination: destination, width: width, path: path)
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let job = ImageJob(
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destination: destination,
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width: width,
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path: path,
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quality: quality,
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alwaysGenerate: alwaysGenerate)
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insert(job: job, source: source)
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guard let existingSource = imageJobs[source] else {
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imageJobs[source] = [job]
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return scaledSize
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}
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guard let existingJob = existingSource.first(where: { $0.destination == destination}) else {
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imageJobs[source] = existingSource + [job]
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return scaledSize
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}
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if existingJob.width != width {
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addWarning("Multiple image widths (\(existingJob.width) and \(width))", destination: destination, path: "\(existingJob.path) and \(path)")
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}
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return scaledSize
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return scaledSize
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}
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}
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func createImages() {
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private func insert(job: ImageJob, source: String) {
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for (source, jobs) in imageJobs.sorted(by: { $0.key < $1.key }) {
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guard let existingSource = imageJobs[source] else {
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create(images: jobs, from: source)
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imageJobs[source] = [job]
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return
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}
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}
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guard let existingJob = existingSource.first(where: { $0.destination == job.destination }) else {
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imageJobs[source] = existingSource + [job]
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return
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}
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if existingJob.width != job.width {
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addWarning("Multiple image widths (\(existingJob.width) and \(job.width))", destination: job.destination, path: "\(existingJob.path) and \(job.path)")
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}
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}
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func createImages() {
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var count = 0
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for (source, jobs) in imageJobs.sorted(by: { $0.key < $1.key }) {
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print(String(format: "Creating images: %4d / %d\r", count, imageJobs.count), terminator: "")
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fflush(stdout)
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create(images: jobs, from: source)
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count += 1
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}
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print(String(format: " \r", count, imageJobs.count), terminator: "")
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createMultiImages()
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printMissingImages()
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printMissingImages()
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printImageWarnings()
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printImageWarnings()
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printGeneratedImages()
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printGeneratedImages()
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@ -168,7 +195,10 @@ final class ImageGenerator {
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return
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return
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}
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}
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print("\(missingImages.count) missing images:")
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print("\(missingImages.count) missing images:")
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for (source, path) in missingImages {
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let sort = missingImages.sorted { (a, b) in
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a.value < b.value && a.key < b.key
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}
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for (source, path) in sort {
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print(" \(source) (required by \(path))")
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print(" \(source) (required by \(path))")
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}
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}
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}
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}
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@ -207,7 +237,7 @@ final class ImageGenerator {
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}
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}
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private func isMissing(_ job: ImageJob) -> Bool {
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private func isMissing(_ job: ImageJob) -> Bool {
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!output.appendingPathComponent(job.destination).exists
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job.alwaysGenerate || !output.appendingPathComponent(job.destination).exists
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}
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}
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private func create(images: [ImageJob], from source: String) {
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private func create(images: [ImageJob], from source: String) {
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@ -233,6 +263,10 @@ final class ImageGenerator {
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private func create(job: ImageJob, from image: NSImage, source: String) {
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private func create(job: ImageJob, from image: NSImage, source: String) {
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let destinationUrl = output.appendingPathComponent(job.destination)
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let destinationUrl = output.appendingPathComponent(job.destination)
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create(job: job, from: image, source: source, at: destinationUrl)
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}
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private func create(job: ImageJob, from image: NSImage, source: String, at destinationUrl: URL) {
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// Ensure that image file is supported
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// Ensure that image file is supported
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let ext = destinationUrl.pathExtension.lowercased()
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let ext = destinationUrl.pathExtension.lowercased()
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@ -272,7 +306,7 @@ final class ImageGenerator {
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NSGraphicsContext.restoreGraphicsState()
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NSGraphicsContext.restoreGraphicsState()
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// Get NSData, and save it
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// Get NSData, and save it
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guard let data = rep.representation(using: type, properties: [.compressionFactor: NSNumber(0.7)]) else {
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guard let data = rep.representation(using: type, properties: [.compressionFactor: NSNumber(value: job.quality)]) else {
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addWarning("Failed to get data", job: job)
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addWarning("Failed to get data", job: job)
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return
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return
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}
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}
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@ -284,4 +318,100 @@ final class ImageGenerator {
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}
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}
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generatedImages.insert(job.destination)
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generatedImages.insert(job.destination)
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}
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}
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/**
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Create images of different types.
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This function generates versions for the given image, including png/jpg, avif, and webp. Different pixel density versions (1x and 2x) are also generated.
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- Parameter destination: The path to the destination file
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*/
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@discardableResult
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func requireMultiVersionImage(source: String, destination: String, requiredBy path: String, width: Int, desiredHeight: Int?) -> NSSize {
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// Add @1x version
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_ = requireScaledMultiImage(source: source, destination: destination, requiredBy: path, width: width, desiredHeight: desiredHeight)
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// Add @2x version
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return requireScaledMultiImage(
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source: source,
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destination: destination.insert("@2x", beforeLast: "."),
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requiredBy: path,
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width: width * 2,
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desiredHeight: desiredHeight.unwrapped { $0 * 2 })
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}
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@discardableResult
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private func requireScaledMultiImage(source: String, destination: String, requiredBy path: String, width: Int, desiredHeight: Int?) -> NSSize {
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let rawDestinationPath = destination.dropAfterLast(".")
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let avifPath = rawDestinationPath + ".avif"
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let webpPath = rawDestinationPath + ".webp"
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let needsGeneration = !output.appendingPathComponent(avifPath).exists || !output.appendingPathComponent(webpPath).exists
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let size = requireImage(at: destination, generatedFrom: source, requiredBy: path, quality: 1.0, width: width, height: desiredHeight, alwaysGenerate: needsGeneration)
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multiImageJobs[destination] = path
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return size
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}
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private func createMultiImages() {
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let sort = multiImageJobs.sorted { $0.value < $1.value && $0.key < $1.key }
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var count = 1
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for (baseImage, path) in sort {
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print(String(format: "Creating image versions: %4d / %d\r", count, sort.count), terminator: "")
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fflush(stdout)
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createMultiImages(from: baseImage, path: path)
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count += 1
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}
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print(String(format: " \r", count, sort.count), terminator: "")
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}
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private func createMultiImages(from source: String, path: String) {
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guard generatedImages.contains(source) else {
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return
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}
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let sourceUrl = output.appendingPathComponent(source)
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let sourcePath = sourceUrl.path
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guard sourceUrl.exists else {
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addWarning("No image at path \(sourcePath)", destination: source, path: path)
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missingImages[source] = path
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return
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}
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let avifPath = source.dropAfterLast(".") + ".avif"
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createAVIF(at: output.appendingPathComponent(avifPath).path, from: sourcePath)
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generatedImages.insert(avifPath)
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let webpPath = source.dropAfterLast(".") + ".webp"
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createWEBP(at: output.appendingPathComponent(webpPath).path, from: sourcePath)
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generatedImages.insert(webpPath)
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compress(at: source)
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}
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private func createAVIF(at destination: String, from source: String, quality: Int = 55, effort: Int = 5) {
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let folder = destination.dropAfterLast("/")
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let command = "npx avif --input=\(source) --quality=\(quality) --effort=\(effort) --output=\(folder) --overwrite"
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do {
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_ = try FileSystem.safeShell(command)
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} catch {
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addWarning("Failed to create AVIF image", destination: destination, path: destination)
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}
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}
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private func createWEBP(at destination: String, from source: String, quality: Int = 75) {
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let command = "cwebp \(source) -q \(quality) -o \(destination)"
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do {
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_ = try FileSystem.safeShell(command)
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} catch {
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addWarning("Failed to create WEBP image", destination: destination, path: destination)
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}
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}
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private func compress(at destination: String, quality: Int = 70) {
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let command = "magick convert \(destination) -quality \(quality)% \(destination)"
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do {
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_ = try FileSystem.safeShell(command)
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} catch {
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addWarning("Failed to compress image", destination: destination, path: destination)
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}
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}
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}
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}
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@ -4,6 +4,8 @@ import AppKit
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enum ImageType: CaseIterable {
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enum ImageType: CaseIterable {
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case jpg
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case jpg
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case png
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case png
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case avif
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case webp
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init?(fileExtension: String) {
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init?(fileExtension: String) {
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switch fileExtension {
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switch fileExtension {
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@ -11,6 +13,10 @@ enum ImageType: CaseIterable {
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self = .jpg
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self = .jpg
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case "png":
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case "png":
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self = .png
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self = .png
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case "avif":
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self = .avif
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case "webp":
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self = .webp
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default:
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default:
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return nil
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return nil
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}
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}
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@ -20,7 +26,7 @@ enum ImageType: CaseIterable {
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switch self {
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switch self {
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case .jpg:
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case .jpg:
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return .jpeg
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return .jpeg
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case .png:
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case .png, .avif, .webp:
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return .png
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return .png
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}
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}
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}
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}
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@ -120,23 +120,15 @@ struct PageContentGenerator {
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private func handleImage(page: Element, file: String, rightTitle: String?, leftTitle: String?) -> String {
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private func handleImage(page: Element, file: String, rightTitle: String?, leftTitle: String?) -> String {
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let imagePath = page.pathRelativeToRootForContainedInputFile(file)
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let imagePath = page.pathRelativeToRootForContainedInputFile(file)
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let size = files.requireImage(
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let size = files.requireMultiVersionImage(
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source: imagePath,
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source: imagePath,
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destination: imagePath,
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destination: imagePath,
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requiredBy: page.path,
|
requiredBy: page.path,
|
||||||
width: configuration.pageImageWidth)
|
width: configuration.pageImageWidth)
|
||||||
|
|
||||||
let imagePath2x = imagePath.insert("@2x", beforeLast: ".")
|
|
||||||
let file2x = file.insert("@2x", beforeLast: ".")
|
|
||||||
files.requireImage(
|
|
||||||
source: imagePath,
|
|
||||||
destination: imagePath2x,
|
|
||||||
requiredBy: page.path,
|
|
||||||
width: 2 * configuration.pageImageWidth)
|
|
||||||
|
|
||||||
let content: [PageImageTemplate.Key : String] = [
|
let content: [PageImageTemplate.Key : String] = [
|
||||||
.image: file,
|
.image: file.dropAfterLast("."),
|
||||||
.image2x: file2x,
|
.imageExtension: file.lastComponentAfter("."),
|
||||||
.width: "\(Int(size.width))",
|
.width: "\(Int(size.width))",
|
||||||
.height: "\(Int(size.height))",
|
.height: "\(Int(size.height))",
|
||||||
.leftText: leftTitle ?? "",
|
.leftText: leftTitle ?? "",
|
||||||
|
@ -24,7 +24,7 @@ struct PageHeadGenerator {
|
|||||||
let linkPreviewImageName = "thumbnail-link.\(image.lastComponentAfter("."))"
|
let linkPreviewImageName = "thumbnail-link.\(image.lastComponentAfter("."))"
|
||||||
let sourceImagePath = page.pathRelativeToRootForContainedInputFile(image)
|
let sourceImagePath = page.pathRelativeToRootForContainedInputFile(image)
|
||||||
let destinationImagePath = page.pathRelativeToRootForContainedInputFile(linkPreviewImageName)
|
let destinationImagePath = page.pathRelativeToRootForContainedInputFile(linkPreviewImageName)
|
||||||
files.requireImage(
|
files.requireSingleImage(
|
||||||
source: sourceImagePath,
|
source: sourceImagePath,
|
||||||
destination: destinationImagePath,
|
destination: destinationImagePath,
|
||||||
requiredBy: page.path,
|
requiredBy: page.path,
|
||||||
|
@ -51,7 +51,7 @@ struct SiteGenerator {
|
|||||||
element.requiredFiles.forEach(files.require)
|
element.requiredFiles.forEach(files.require)
|
||||||
element.externalFiles.forEach(files.exclude)
|
element.externalFiles.forEach(files.exclude)
|
||||||
element.images.forEach {
|
element.images.forEach {
|
||||||
files.requireImage(
|
files.requireSingleImage(
|
||||||
source: $0.sourcePath,
|
source: $0.sourcePath,
|
||||||
destination: $0.destinationPath,
|
destination: $0.destinationPath,
|
||||||
requiredBy: element.path,
|
requiredBy: element.path,
|
||||||
|
@ -14,8 +14,7 @@ struct ThumbnailListGenerator {
|
|||||||
}
|
}
|
||||||
|
|
||||||
private func itemContent(_ item: Element, parent: Element, language: String, style: ThumbnailStyle) -> String {
|
private func itemContent(_ item: Element, parent: Element, language: String, style: ThumbnailStyle) -> String {
|
||||||
let (thumbnailSourcePath, thumbnailDestPath) = item.thumbnailFilePath(for: language)
|
|
||||||
let relativeImageUrl = parent.relativePathToFileWithPath(thumbnailDestPath)
|
|
||||||
let metadata = item.localized(for: language)
|
let metadata = item.localized(for: language)
|
||||||
var content = [ThumbnailKey : String]()
|
var content = [ThumbnailKey : String]()
|
||||||
|
|
||||||
@ -25,32 +24,26 @@ struct ThumbnailListGenerator {
|
|||||||
content[.url] = "href=\"\(relativePageUrl)\""
|
content[.url] = "href=\"\(relativePageUrl)\""
|
||||||
}
|
}
|
||||||
|
|
||||||
content[.image] = relativeImageUrl
|
let (thumbnailSourcePath, thumbnailDestPath) = item.thumbnailFilePath(for: language)
|
||||||
|
let thumbnailDestNoExtension = thumbnailDestPath.dropAfterLast(".")
|
||||||
|
content[.image] = parent.relativePathToFileWithPath(thumbnailDestNoExtension)
|
||||||
|
|
||||||
if style == .large, let suffix = metadata.thumbnailSuffix {
|
if style == .large, let suffix = metadata.thumbnailSuffix {
|
||||||
content[.title] = factory.html.make(title: metadata.title, suffix: suffix)
|
content[.title] = factory.html.make(title: metadata.title, suffix: suffix)
|
||||||
} else {
|
} else {
|
||||||
content[.title] = metadata.title
|
content[.title] = metadata.title
|
||||||
}
|
}
|
||||||
content[.image2x] = relativeImageUrl.insert("@2x", beforeLast: ".")
|
|
||||||
content[.corner] = item.cornerText(for: language).unwrapped {
|
content[.corner] = item.cornerText(for: language).unwrapped {
|
||||||
factory.largeThumbnail.makeCorner(text: $0)
|
factory.largeThumbnail.makeCorner(text: $0)
|
||||||
}
|
}
|
||||||
|
|
||||||
files.requireImage(
|
files.requireMultiVersionImage(
|
||||||
source: thumbnailSourcePath,
|
source: thumbnailSourcePath,
|
||||||
destination: thumbnailDestPath,
|
destination: thumbnailDestNoExtension + ".jpg",
|
||||||
requiredBy: item.path,
|
requiredBy: item.path,
|
||||||
width: style.width,
|
width: style.width,
|
||||||
desiredHeight: style.height)
|
desiredHeight: style.height)
|
||||||
|
|
||||||
// Create image version for high-resolution screens
|
|
||||||
files.requireImage(
|
|
||||||
source: thumbnailSourcePath,
|
|
||||||
destination: thumbnailDestPath.insert("@2x", beforeLast: "."),
|
|
||||||
requiredBy: item.path,
|
|
||||||
width: style.width * 2,
|
|
||||||
desiredHeight: style.height * 2)
|
|
||||||
|
|
||||||
return factory.thumbnail(style: style).generate(content, shouldIndent: false)
|
return factory.thumbnail(style: style).generate(content, shouldIndent: false)
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
@ -4,7 +4,7 @@ struct PageImageTemplate: Template {
|
|||||||
|
|
||||||
enum Key: String, CaseIterable {
|
enum Key: String, CaseIterable {
|
||||||
case image = "IMAGE"
|
case image = "IMAGE"
|
||||||
case image2x = "IMAGE_2X"
|
case imageExtension = "IMAGE_EXT"
|
||||||
case width = "WIDTH"
|
case width = "WIDTH"
|
||||||
case height = "HEIGHT"
|
case height = "HEIGHT"
|
||||||
case leftText = "LEFT_TEXT"
|
case leftText = "LEFT_TEXT"
|
||||||
|
@ -8,7 +8,6 @@ protocol ThumbnailTemplate {
|
|||||||
enum ThumbnailKey: String, CaseIterable {
|
enum ThumbnailKey: String, CaseIterable {
|
||||||
case url = "URL"
|
case url = "URL"
|
||||||
case image = "IMAGE"
|
case image = "IMAGE"
|
||||||
case image2x = "IMAGE_2X"
|
|
||||||
case title = "TITLE"
|
case title = "TITLE"
|
||||||
case corner = "CORNER"
|
case corner = "CORNER"
|
||||||
}
|
}
|
||||||
|
Loading…
Reference in New Issue
Block a user