Files
phranck 5ad97132b8 Feat: Add @Observable support with Observation framework
- Replace custom Observable protocol and @Published with Apple's @Observable macro
- Add withObservationTracking in renderToBuffer for automatic per-property dependency tracking
- Add type-based @Environment(Type.self) and .environment(object) for observable objects
- Add ObjectEnvironmentModifier for injecting observable objects into the environment
- Add needsCacheClear flag to AppState for thread-safe cache invalidation
- Add cross-platform test script (scripts/test-linux.sh) for Docker-based Linux verification
- Add DemoAppHeader with system info display (OS, version, architecture)
- Consolidate Example App: extract ImageDemoHelpers, KeyboardHelpSection, ValueDisplayRow
- Add pre-push verification rule to CLAUDE.md
- Verified on both macOS and Linux (swift:6.0 container), 1155 tests passing
2026-02-15 23:49:34 +01:00

65 lines
2.3 KiB
Swift
Raw Permalink Blame History

This file contains invisible Unicode characters
This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.
// 🖥 TUIKit Terminal UI Kit for Swift
// ImageFilePage.swift
//
// Created by LAYERED.work
// License: MIT
import Foundation
import TUIkit
/// Image demo page for loading an image from the local filesystem.
///
/// Displays a bundled demo image and provides status bar items to
/// cycle through character set, color mode, and dithering settings.
struct ImageFilePage: View {
@State var charSetIndex: Int = 0
@State var colorModeIndex: Int = 0
@State var ditheringOn: Bool = false
var body: some View {
let charSet = ImageDemoHelpers.charSets[charSetIndex]
let colorMode = ImageDemoHelpers.colorModes[colorModeIndex]
let dithering: DitheringMode = ditheringOn ? .floydSteinberg : .none
VStack(alignment: .leading) {
HStack {
Spacer()
if let path = Bundle.module.path(forResource: "demo-image", ofType: "jpg", inDirectory: "Resources") {
Image(.file(path))
.imagePlaceholder("Loading image...")
.imagePlaceholderSpinner(true)
} else {
Text("Resource not found: demo-image.jpg")
.foregroundStyle(.error)
}
Spacer()
}
.padding(.bottom, 1)
Spacer()
}
.imageCharacterSet(charSet)
.imageColorMode(colorMode)
.imageDithering(dithering)
.statusBarItems(statusBarItems)
.appHeader {
DemoAppHeader("Image (File)")
}
}
private var statusBarItems: [any StatusBarItemProtocol] {
[
StatusBarItem(shortcut: Shortcut.escape, label: "back"),
StatusBarItem(shortcut: "c", label: ImageDemoHelpers.charSetLabel(charSetIndex)) {
charSetIndex = (charSetIndex + 1) % ImageDemoHelpers.charSets.count
},
StatusBarItem(shortcut: "m", label: ImageDemoHelpers.colorModeLabel(colorModeIndex)) {
colorModeIndex = (colorModeIndex + 1) % ImageDemoHelpers.colorModes.count
},
StatusBarItem(shortcut: "d", label: ditheringOn ? "dither:on" : "dither:off") {
ditheringOn.toggle()
},
StatusBarItem(shortcut: Shortcut.arrowsUpDown, label: "scroll"),
]
}
}