Struct GammaCtrl 

pub struct GammaCtrl { /* private fields */ }

Interactive gamma correction curve control.

Renders 7 paths: background, border, gamma curve, grid/crosshairs, inactive point, active point, and text display.

Port of C++ gamma_ctrl_impl + gamma_ctrl<ColorT>.

Implementations

impl GammaCtrl

pub fn new(x1: f64, y1: f64, x2: f64, y2: f64) -> Self

pub fn border_width(&mut self, t: f64, extra: f64)

pub fn curve_width(&mut self, t: f64)

pub fn grid_width(&mut self, t: f64)

pub fn text_thickness(&mut self, t: f64)

pub fn text_size(&mut self, h: f64, w: f64)

pub fn point_size(&mut self, s: f64)

pub fn set_values(&mut self, kx1: f64, ky1: f64, kx2: f64, ky2: f64)

pub fn get_values(&self) -> (f64, f64, f64, f64)

pub fn gamma(&self) -> &[u8; 256]

pub fn y(&self, x: f64) -> f64

pub fn get_gamma_spline(&self) -> &GammaSpline

pub fn change_active_point(&mut self)

pub fn background_color(&mut self, c: Rgba8)

pub fn border_color(&mut self, c: Rgba8)

pub fn curve_color(&mut self, c: Rgba8)

pub fn grid_color(&mut self, c: Rgba8)

pub fn inactive_pnt_color(&mut self, c: Rgba8)

pub fn active_pnt_color(&mut self, c: Rgba8)

pub fn text_color(&mut self, c: Rgba8)

pub fn in_rect(&self, x: f64, y: f64) -> bool

pub fn on_mouse_button_down(&mut self, x: f64, y: f64) -> bool

pub fn on_mouse_button_up(&mut self, _x: f64, _y: f64) -> bool

pub fn on_mouse_move(&mut self, x: f64, y: f64, button_flag: bool) -> bool

pub fn on_arrow_keys( &mut self, left: bool, right: bool, down: bool, up: bool, ) -> bool

Trait Implementations

impl Ctrl for GammaCtrl

fn num_paths(&self) -> u32

fn color(&self, path_id: u32) -> Rgba8

impl VertexSource for GammaCtrl

fn rewind(&mut self, path_id: u32)

Reset the vertex source to the beginning of the given path. path_id selects which sub-path to iterate (0 for the first/only path).

fn vertex(&mut self, x: &mut f64, y: &mut f64) -> u32

Return the next vertex. Writes coordinates to x and y, returns a path command. Returns PATH_CMD_STOP when iteration is complete.