Enum mozjpeg_sys::J_BOOLEAN_PARAM

#[repr(u32)]
pub enum J_BOOLEAN_PARAM {
    JBOOLEAN_OPTIMIZE_SCANS,
    JBOOLEAN_TRELLIS_QUANT,
    JBOOLEAN_TRELLIS_QUANT_DC,
    JBOOLEAN_TRELLIS_EOB_OPT,
    JBOOLEAN_USE_LAMBDA_WEIGHT_TBL,
    JBOOLEAN_USE_SCANS_IN_TRELLIS,
    JBOOLEAN_TRELLIS_Q_OPT,
    JBOOLEAN_OVERSHOOT_DERINGING,
}

These 32-bit GUIDs and the corresponding jpeg_*_get_*_param() jpeg_*_set_*_param() functions allow for extending the libjpeg API without breaking backward ABI compatibility. The actual parameters are stored in the opaque jpeg_comp_master and jpeg_decomp_master structs.

Variants

JBOOLEAN_OPTIMIZE_SCANS

TRUE=optimize progressive coding scans

JBOOLEAN_TRELLIS_QUANT

TRUE=use trellis quantization

JBOOLEAN_TRELLIS_QUANT_DC

TRUE=use trellis quant for DC coefficient

JBOOLEAN_TRELLIS_EOB_OPT

TRUE=optimize for sequences of EOB

JBOOLEAN_USE_LAMBDA_WEIGHT_TBL

TRUE=use lambda weighting table

JBOOLEAN_USE_SCANS_IN_TRELLIS

TRUE=use scans in trellis optimization

JBOOLEAN_TRELLIS_Q_OPT

TRUE=optimize quant table in trellis loop

JBOOLEAN_OVERSHOOT_DERINGING

TRUE=preprocess input to reduce ringing of edges on white background

Trait Implementations

impl Copy for J_BOOLEAN_PARAM

impl Clone for J_BOOLEAN_PARAM

fn clone(&self) -> J_BOOLEAN_PARAM

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Eq for J_BOOLEAN_PARAM

impl PartialEq for J_BOOLEAN_PARAM

fn eq(&self, __arg_0: &J_BOOLEAN_PARAM) -> bool

This method tests for self and other values to be equal, and is used by ==.

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

This method tests for !=.

impl Debug for J_BOOLEAN_PARAM

fn fmt(&self, __arg_0: &mut Formatter) -> Result

Formats the value using the given formatter.