93 lines
2.7 KiB
Swift
93 lines
2.7 KiB
Swift
// Copyright 2020 Tokamak contributors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// Created by Max Desiatov on 11/04/2020.
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//
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@_spi(TokamakCore)
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import TokamakCore
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public typealias Image = TokamakCore.Image
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extension Image: _HTMLPrimitive {
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@_spi(TokamakStaticHTML)
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public var renderedBody: AnyView {
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AnyView(_HTMLImage(proxy: _ImageProxy(self)))
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}
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}
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struct _HTMLImage: View {
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let proxy: _ImageProxy
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public var body: some View {
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let resolved = proxy.provider.resolve(in: proxy.environment)
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var attributes: [HTMLAttribute: String] = [:]
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switch resolved.storage {
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case let .named(name, bundle):
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attributes = [
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"src": bundle?.path(forResource: name, ofType: nil) ?? name,
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"style": "max-width: 100%; max-height: 100%;",
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]
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case let .resizable(.named(name, bundle), _, _):
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attributes = [
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"src": bundle?.path(forResource: name, ofType: nil) ?? name,
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"style": "width: 100%; height: 100%;",
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]
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default: break
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}
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if let label = resolved.label {
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attributes["alt"] = _TextProxy(label).rawText
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}
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return AnyView(HTML("img", attributes))
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}
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}
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@_spi(TokamakStaticHTML)
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extension Image: HTMLConvertible {
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public var tag: String { "img" }
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public func attributes(useDynamicLayout: Bool) -> [HTMLAttribute: String] {
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let proxy = _ImageProxy(self)
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let resolved = proxy.provider.resolve(in: proxy.environment)
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switch resolved.storage {
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case let .named(name, bundle):
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let src = bundle?.path(forResource: name, ofType: nil) ?? name
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if useDynamicLayout {
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return [
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"src": src,
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"data-loaded": _intrinsicSize != nil ? "true" : "false",
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]
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} else {
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return [
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"src": src,
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"style": "max-width: 100%; max-height: 100%;",
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]
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}
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case let .resizable(.named(name, bundle), _, _):
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let src = bundle?.path(forResource: name, ofType: nil) ?? name
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if useDynamicLayout {
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return [
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"src": src,
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"data-loaded": _intrinsicSize != nil ? "true" : "false",
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]
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} else {
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return [
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"src": src,
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"style": "width: 100%; height: 100%;",
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]
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}
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default: return [:]
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}
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}
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}
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