tiny.ui.Header

1/// `Header` is the 152 byte prefix of every publish buffer.2/// Each `Span` field locates one table in the same buffer.3pub const Header = extern struct {4    magic: u32 = magic,5    abi_version: u32 = abi_version,6    /// `Header.buffer_bytes` must equal the length of the slice passed to publish,7    /// or the publish is rejected with `error.BufferLengthMismatch`.8    buffer_bytes: u32 = 0,9    /// `Header.node_bytes` must equal the size of `Node` in this build, or the publish is10    /// rejected with `error.NodeSizeMismatch`.11    node_bytes: u32 = @sizeOf(Node),12    /// A publish whose header revision equals the retained revision is accepted after reading13    /// only the header and dirties nothing.14    revision: u64 = 0,15    /// A node flagged `retained` is admitted only when this field equals the revision of the16    /// tree the store holds, otherwise `error.StaleRetainedSubtree`.17    base_revision: u64 = 0,18    viewport: Rect = .{},19    /// `Header.root_font_size` is layout units per rem.20    root_font_size: f32 = 0,21    /// `Header.unit_scale` is informational and never a cascade input.22    unit_scale: f32 = 0,23    nodes: Span = .{},24    declarations: Span = .{},25    classes: Span = .{},26    texts: Span = .{},27    runs: Span = .{},28    relations: Span = .{},29    atoms: Span = .{},30    strings: Span = .{},31    solved_roots: Span = .{},32    solved_rects: Span = .{},33    reserved: [2]u64 = .{ 0, 0 },34};

1pub const Header = abi.Header;