pulp::view::DecibelScale Struct Reference

Maps decibels to a vertical pixel position on a linear axis (dB is already logarithmic in amplitude, so the axis itself is linear in dB). More...

#include <graph_scale.hpp>

Public Member Functions
float	to_y (float db) const
float	to_decibels (float py) const
std::vector< float >	ticks (float step_db) const
	Gridline values every step_db, always including 0 dB when it is in range (the unity line a reader looks for first).

Public Attributes
float	min_db = -24.0f
float	max_db = 24.0f
float	y = 0.0f
	top edge, pixels
float	height = 0.0f
	axis height, pixels

Detailed Description

Maps decibels to a vertical pixel position on a linear axis (dB is already logarithmic in amplitude, so the axis itself is linear in dB).

y grows downward, as in screen coordinates: max_db sits at the top.

Member Function Documentation

ticks()

std::vector< float > pulp::view::DecibelScale::ticks

(

float

step_db

)

const

Gridline values every step_db, always including 0 dB when it is in range (the unity line a reader looks for first).

to_decibels()

float pulp::view::DecibelScale::to_decibels

(

float

py

)

const

to_y()

float pulp::view::DecibelScale::to_y

(

float

db

)

const

Member Data Documentation

height

float pulp::view::DecibelScale::height = 0.0f

axis height, pixels

max_db

float pulp::view::DecibelScale::max_db = 24.0f

min_db

float pulp::view::DecibelScale::min_db = -24.0f

y

float pulp::view::DecibelScale::y = 0.0f

top edge, pixels

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The documentation for this struct was generated from the following file:

• /home/runner/work/pulp/pulp/core/view/include/pulp/view/graph_scale.hpp