RandomViewer Class Reference

Visualizes the random modulation source as a waveform line renderer. More...

Inheritance diagram for RandomViewer:

Public Member Functions
	RandomViewer (String name)
	Constructs the RandomViewer with a given name.
void	paintBackground (Graphics &g) override
	Paints the background of the viewer, including a reference line.
void	init (OpenGlWrapper &open_gl) override
	Initializes OpenGL resources.
void	destroy (OpenGlWrapper &open_gl) override
	Releases OpenGL resources.
void	render (OpenGlWrapper &open_gl, bool animate) override
	Renders the waveform lines. Updates positions based on the random source.
void	parentHierarchyChanged () override
	Called when the parent hierarchy changes, used to find the parent synth and status output.
void	resized () override
	Called when the component is resized. Updates the stereo_line_ bounds.
Public Member Functions inherited from OpenGlLineRenderer
	OpenGlLineRenderer (int num_points, bool loop=false)
	Constructs an OpenGlLineRenderer for a given number of points.
virtual	~OpenGlLineRenderer ()
	Destructor.
force_inline void	setColor (Colour color)
	Sets the line color.
force_inline void	setLineWidth (float width)
	Sets the line width in pixels.
force_inline void	setBoost (float boost)
	Sets a global boost value affecting line thickness.
force_inline float	boostLeftAt (int index) const
	Gets the left-side boost at a given point index.
force_inline float	boostRightAt (int index) const
	Gets the right-side boost at a given point index.
force_inline float	yAt (int index) const
	Gets the y-coordinate of a point at a given index.
force_inline float	xAt (int index) const
	Gets the x-coordinate of a point at a given index.
force_inline void	setBoostLeft (int index, float val)
	Sets the left-side boost for a point, marking data as dirty.
force_inline void	setBoostRight (int index, float val)
	Sets the right-side boost for a point, marking data as dirty.
force_inline void	setYAt (int index, float val)
	Sets the y-coordinate of a point, marking data as dirty.
force_inline void	setXAt (int index, float val)
	Sets the x-coordinate of a point, marking data as dirty.
void	setFillVertices (bool left)
	Sets fill vertices according to the current line and boost data.
void	setLineVertices (bool left)
	Sets line vertices according to the current line and boost data.
force_inline void	setFill (bool fill)
	Enables or disables filling below the line.
force_inline void	setFillColor (Colour fill_color)
	Sets a uniform fill color if only one color is needed.
force_inline void	setFillColors (Colour fill_color_from, Colour fill_color_to)
	Sets a gradient fill from one color to another.
force_inline void	setFillCenter (float fill_center)
	Sets the vertical center for the fill area.
force_inline void	setFit (bool fit)
	Enables fitting the line inside the available area.
force_inline void	setBoostAmount (float boost_amount)
	Sets the boost amount that affects line thickness.
force_inline void	setFillBoostAmount (float boost_amount)
	Sets the boost amount that affects fill thickness.
force_inline void	setIndex (int index)
	Sets an index used for custom behavior (e.g., multiple line sets).
void	boostLeftRange (float start, float end, int buffer_vertices, float min)
	Boosts left-side range of the line.
void	boostRightRange (float start, float end, int buffer_vertices, float min)
	Boosts right-side range of the line.
void	boostRange (float *boosts, float start, float end, int buffer_vertices, float min)
	Boosts a range for the given boost array.
void	boostRange (vital::poly_float start, vital::poly_float end, int buffer_vertices, vital::poly_float min)
	Boosts left and right arrays using poly_float parameters.
void	decayBoosts (vital::poly_float mult)
	Decays all boosts by a multiplicative factor, allowing animated damping.
void	enableBackwardBoost (bool enable)
	Enables backward boost calculation for symmetrical line deformation.
force_inline int	numPoints () const
	Gets the number of points in the line.
force_inline Colour	color () const
	Gets the current line color.
void	drawLines (OpenGlWrapper &open_gl, bool left)
	Draws the line and optional fill using OpenGL.
bool	anyBoostValue ()
	Checks if any boost value is set.
Public Member Functions inherited from OpenGlComponent
	OpenGlComponent (String name="")
	Constructs an OpenGlComponent.
virtual	~OpenGlComponent ()
	Destructor.
void	addRoundedCorners ()
	Adds rounded corners to the component's edges.
void	addBottomRoundedCorners ()
	Adds rounded corners only at the bottom of the component.
void	renderCorners (OpenGlWrapper &open_gl, bool animate, Colour color, float rounding)
	Renders the corner shapes using the given color and rounding amount.
void	renderCorners (OpenGlWrapper &open_gl, bool animate)
	Renders corners with default body color and rounding.
void	repaintBackground ()
	Requests a repaint of the component's background on the OpenGL layer.
Colour	getBodyColor () const
	Retrieves the component's body color.
void	setParent (const SynthSection *parent)
	Sets a pointer to the parent SynthSection for skin value lookups.
float	findValue (Skin::ValueId value_id)
	Finds a float value from the skin associated with this component's parent.
void	setSkinValues (const Skin &skin)
	Applies the skin overrides to this component's colors.
void	setSkinOverride (Skin::SectionOverride skin_override)
	Sets a skin override to control the component's color scheme.
force_inline void	checkGlError ()
	Checks for and asserts that there are no OpenGL errors.
void	setBackgroundColor (const Colour &color)
	Sets the background color of the component for painting operations.

Static Public Attributes
static constexpr int	kResolution = 64
	Number of points in the waveform visualization.
static constexpr float	kBoostAmount = 1.0f
	Initial boost amount for the line rendering.
static constexpr float	kDecayMult = 0.9f
	Decay multiplier for boost values over time.
Static Public Attributes inherited from OpenGlLineRenderer
static constexpr int	kLineFloatsPerVertex = 3
	Floats per vertex in the line data (x, y, and potentially others).
static constexpr int	kFillFloatsPerVertex = 4
	Floats per vertex in the fill data (x, y, and boost value).
static constexpr int	kLineVerticesPerPoint = 6
	Number of vertices per point in the line representation.
static constexpr int	kFillVerticesPerPoint = 2
	Number of vertices per point in the fill representation.
static constexpr int	kLineFloatsPerPoint = kLineVerticesPerPoint * kLineFloatsPerVertex
	Floats per point in the line data (6 vertices * 3 floats each).
static constexpr int	kFillFloatsPerPoint = kFillVerticesPerPoint * kFillFloatsPerVertex
	Floats per point in the fill data (2 vertices * 4 floats each).

Additional Inherited Members
Static Public Member Functions inherited from OpenGlComponent
static bool	setViewPort (Component *component, Rectangle< int > bounds, OpenGlWrapper &open_gl)
	Sets the OpenGL viewport to match a specified rectangle within a component.
static bool	setViewPort (Component *component, OpenGlWrapper &open_gl)
	Convenience overload that sets the viewport for the entire component's local bounds.
static void	setScissor (Component *component, OpenGlWrapper &open_gl)
	Sets the OpenGL scissor region to the entire component's local bounds.
static void	setScissorBounds (Component *component, Rectangle< int > bounds, OpenGlWrapper &open_gl)
	Sets the OpenGL scissor region to a specified rectangle within a component.
static std::unique_ptr< OpenGLShaderProgram::Uniform >	getUniform (const OpenGlWrapper &open_gl, const OpenGLShaderProgram &program, const char *name)
	Retrieves a uniform from the shader program if it exists.
static std::unique_ptr< OpenGLShaderProgram::Attribute >	getAttribute (const OpenGlWrapper &open_gl, const OpenGLShaderProgram &program, const char *name)
	Retrieves an attribute from the shader program if it exists.
static String	translateFragmentShader (const String &code)
	Translates a fragment shader code snippet to be compatible with the current GL version.
static String	translateVertexShader (const String &code)
	Translates a vertex shader code snippet to be compatible with the current GL version.
Protected Member Functions inherited from OpenGlComponent
bool	setViewPort (OpenGlWrapper &open_gl)
	Sets the viewport for this component using the current OpenGlWrapper.
Protected Attributes inherited from OpenGlComponent
std::unique_ptr< OpenGlCorners >	corners_
	Optional corners for rounded edges.
bool	only_bottom_corners_
	Flag to round only the bottom corners.
Colour	background_color_
	The background color of the component.
Colour	body_color_
	The body color of the component.
const SynthSection *	parent_
	Pointer to parent SynthSection for skin lookups.
Skin::SectionOverride	skin_override_
	Skin override for custom appearance.
const vital::StatusOutput *	num_voices_readout_
	StatusOutput for voice count lookups.

Detailed Description

Visualizes the random modulation source as a waveform line renderer.

RandomViewer is an OpenGlLineRenderer that shows a random source's changing values in real-time. It supports stereo visualization and dynamic updates.

Constructor & Destructor Documentation

RandomViewer()

RandomViewer::RandomViewer ( String name )

inline

Constructs the RandomViewer with a given name.

Parameters

name	The name (identifying the random source).

Member Function Documentation

destroy()

void RandomViewer::destroy ( OpenGlWrapper & open_gl )

inlineoverridevirtual

Releases OpenGL resources.

Parameters

open_gl

Reference to the current OpenGlWrapper.

Reimplemented from OpenGlLineRenderer.

init()

void RandomViewer::init ( OpenGlWrapper & open_gl )

inlineoverridevirtual

Initializes OpenGL resources.

Parameters

open_gl

Reference to the current OpenGlWrapper.

Reimplemented from OpenGlLineRenderer.

paintBackground()

void RandomViewer::paintBackground ( Graphics & g )

inlineoverridevirtual

Paints the background of the viewer, including a reference line.

Parameters

g	The Graphics context.

Reimplemented from OpenGlComponent.

parentHierarchyChanged()

void RandomViewer::parentHierarchyChanged ( )

inlineoverridevirtual

Called when the parent hierarchy changes, used to find the parent synth and status output.

Reimplemented from OpenGlComponent.

render()

void RandomViewer::render ( OpenGlWrapper & open_gl, bool animate )

inlineoverridevirtual

Renders the waveform lines. Updates positions based on the random source.

Parameters

open_gl	Reference to the OpenGlWrapper.
animate	True if animation is desired.

Reimplemented from OpenGlLineRenderer.

resized()

void RandomViewer::resized ( )

inlineoverridevirtual

Called when the component is resized. Updates the stereo_line_ bounds.

Reimplemented from OpenGlComponent.

Member Data Documentation

kBoostAmount

float RandomViewer::kBoostAmount = 1.0f

staticconstexpr

Initial boost amount for the line rendering.

kDecayMult

float RandomViewer::kDecayMult = 0.9f

staticconstexpr

Decay multiplier for boost values over time.

kResolution

int RandomViewer::kResolution = 64

staticconstexpr

Number of points in the waveform visualization.

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

• /Users/davidvogel/repos/VitalHelp/src/interface/editor_sections/random_section.cpp