36 lines
1.0 KiB
Swift
36 lines
1.0 KiB
Swift
//
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// Picture+.swift
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// Adwaita
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//
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// Created by david-swift on 21.04.24.
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//
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import CAdw
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import Foundation
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extension Picture {
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/// Load the picture from Foundation's `Data`.
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/// - Parameter data: The data.
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/// - Returns: The view.
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public func data(_ data: Data?) -> AnyView {
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let oldData = "old-data"
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return inspect { storage, updateProperties in
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if updateProperties {
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let pointer = storage.opaquePointer
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guard let data, data != storage.fields[oldData] as? Data else {
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gtk_picture_set_paintable(pointer, gdk_paintable_new_empty(0, 0))
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return
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}
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let bytes = data.withUnsafeBytes { ptr in
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g_bytes_new(ptr.baseAddress, .init(data.count))
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}
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let texture = gdk_texture_new_from_bytes(bytes, nil)
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gtk_picture_set_paintable(pointer, texture)
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storage.fields[oldData] = data
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}
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}
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}
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}
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