Utility Class Reference

Namespace-style class for color math, randomization, and note helpers. More...

#include <Utility.h>

Inheritance diagram for Utility:

Collaboration diagram for Utility:

Class Methods
(NSString *)	+ stringFromNote:
	Formats a MIDI note number as a string like [C3].
(NSColor *)	+ colorForNote:
	Deterministic color mapping for a given MIDI note.
(NSColor *)	+ randomColor:
	Generates a random color with the given saturation.
(NSColor *)	+ makeRgbColor:green:blue:alpha:
	Convenience to create a calibrated RGB color.
(float)	+ redComponentOf:
	Extracts the respective component in calibrated RGB space.
(float)	+ greenComponentOf:
	Extracts the respective component in calibrated RGB space.
(float)	+ blueComponentOf:
	Extracts the respective component in calibrated RGB space.
(float)	+ alphaComponentOf:
	Extracts the respective component in calibrated RGB space.
(NSColor *)	+ darkerColor:
	Returns a darker/brighter color variant.
(NSColor *)	+ brighterColor:
	Returns a darker/brighter color variant.
(NSString *)	+ getIndentForLevel:
	Returns a string of spaces for the given indent level.
(NSPoint)	+ randomPointInBounds:
	Returns a random point within the given bounds.

Detailed Description

Namespace-style class for color math, randomization, and note helpers.

Concrete implementations of Utility helpers.

Definition at line 15 of file Utility.h.

Method Documentation

alphaComponentOf:

+ (float) alphaComponentOf:

(NSColor *)

color

Extracts the respective component in calibrated RGB space.

Returns the component value in calibrated RGB space or 0 on failure.

Definition at line 115 of file Utility.m.

blueComponentOf:

+ (float) blueComponentOf:

(NSColor *)

color

Extracts the respective component in calibrated RGB space.

Returns the component value in calibrated RGB space or 0 on failure.

Definition at line 105 of file Utility.m.

brighterColor:

+ (NSColor *) brighterColor:

(NSColor *)

inColor

Returns a darker/brighter color variant.

Increases RGB toward 1.0 to produce a brighter color.

Definition at line 143 of file Utility.m.

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colorForNote:

+ (NSColor *) colorForNote:

(int)

note

Deterministic color mapping for a given MIDI note.

Maps a MIDI note to a hue/brightness for consistent pad coloring.

Definition at line 38 of file Utility.m.

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darkerColor:

+ (NSColor *) darkerColor:

(NSColor *)

inColor

Returns a darker/brighter color variant.

Scales RGB by a constant factor to produce a darker color.

Definition at line 128 of file Utility.m.

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getIndentForLevel:

+ (NSString *) getIndentForLevel:

(int)

level

Returns a string of spaces for the given indent level.

Builds a space string for indentation (level * 2), clamped to 8 spaces.

Definition at line 166 of file Utility.m.

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greenComponentOf:

+ (float) greenComponentOf:

(NSColor *)

color

Extracts the respective component in calibrated RGB space.

Returns the component value in calibrated RGB space or 0 on failure.

Definition at line 95 of file Utility.m.

makeRgbColor:green:blue:alpha:

+ (NSColor *) makeRgbColor:		(CGFloat)	red
green:		(CGFloat)	green
blue:		(CGFloat)	blue
alpha:		(CGFloat)	alpha

Convenience to create a calibrated RGB color.

Convenience to create a calibrated RGB color with components.

Definition at line 77 of file Utility.m.

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randomColor:

+ (NSColor *) randomColor:

(CGFloat)

saturation

Generates a random color with the given saturation.

Creates a random calibrated RGB color with the given saturation.

Definition at line 64 of file Utility.m.

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randomPointInBounds:

+ (NSPoint) randomPointInBounds:

(NSRect)

bounds

Returns a random point within the given bounds.

Returns a random point uniformly distributed within bounds.

Definition at line 181 of file Utility.m.

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redComponentOf:

+ (float) redComponentOf:

(NSColor *)

color

Extracts the respective component in calibrated RGB space.

Returns the component value in calibrated RGB space or 0 on failure.

Definition at line 85 of file Utility.m.

stringFromNote:

+ (NSString *) stringFromNote:

(int)

note

Formats a MIDI note number as a string like [C3].

Converts a MIDI note number to a label like [C3].

Definition at line 30 of file Utility.m.

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The documentation for this class was generated from the following files:

• Utility.h
• Utility.m