Struct PluginPaintCmd 

#[repr(C)]
pub struct PluginPaintCmd {
    pub cmd_type: u16,
    pub flags: u16,
    pub data_len: u32,
    pub payload_offset: u32,
}

A raw paint command produced by a WebAssembly plugin.

The record is laid out exactly as the guest writes it into shared memory so that the host can read it directly from the ring buffer without copying.

Examples

use martensite_plugin::PluginPaintCmd;

let cmd = PluginPaintCmd {
    cmd_type: 1,
    flags: 0,
    data_len: 12,
    payload_offset: 100,
};

assert_eq!(cmd.data_len, 12);

Fields

cmd_type: u16

Discriminant of the paint operation (e.g. 0=DrawLine, 1=FillRect).

flags: u16

Command flags for future extensions.

data_len: u32

Length of the variable-length payload in bytes.

payload_offset: u32

Byte offset of the payload relative to the start of the ring buffer.

Implementations

impl PluginPaintCmd

pub const fn header_size() -> usize

Returns the number of bytes occupied by the command header.

Examples

use martensite_plugin::PluginPaintCmd;

assert_eq!(PluginPaintCmd::header_size(), 12);

Trait Implementations

impl Clone for PluginPaintCmd

fn clone(&self) -> PluginPaintCmd

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for PluginPaintCmd

impl Debug for PluginPaintCmd

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for PluginPaintCmd

fn default() -> PluginPaintCmd

Returns the “default value” for a type.

impl Eq for PluginPaintCmd

impl PartialEq for PluginPaintCmd

fn eq(&self, other: &PluginPaintCmd) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for PluginPaintCmd