Fisheye Class Reference

Implements a fisheye distortion effect for pixel groups. More...

#include <Fisheye.h>

Inheritance diagram for Fisheye:

Collaboration diagram for Fisheye:

Public Member Functions
	Fisheye (float amplitude=0.5f)
	Constructs a Fisheye effect with a specified amplitude.
void	SetPosition (Vector2D offset)
	Sets the distortion center offset.
void	SetAmplitude (float amplitude)
	Sets the amplitude of the distortion.
void	ApplyEffect (IPixelGroup *pixelGroup) override
	Applies the fisheye effect to the given pixel group.
Public Member Functions inherited from Effect
	Effect ()
	Default constructor for the Effect class.
void	SetRatio (float ratio)
	Sets the scaling ratio for the effect.

Private Attributes
Vector2D	offset = Vector2D(0.0f, 0.0f)
	Offset for the fisheye distortion center.
float	amplitude
	Amplitude of the distortion effect.
FunctionGenerator	fGenSize = FunctionGenerator(FunctionGenerator::Sine, 1.0f, 48.0f, 2.3f)
	Controls the size modulation.
FunctionGenerator	fGenX = FunctionGenerator(FunctionGenerator::Sine, -96.0f, 96.0f, 2.7f)
	Controls X-axis displacement.
FunctionGenerator	fGenY = FunctionGenerator(FunctionGenerator::Sine, -96.0f, 96.0f, 1.7f)
	Controls Y-axis displacement.
FunctionGenerator	fGenWarp = FunctionGenerator(FunctionGenerator::Sine, 1.0f, 100.0f, 3.7f)
	Controls warp effect.

Additional Inherited Members
Protected Attributes inherited from Effect
float	ratio = 0.0f
	A scaling ratio used for dynamic effect adjustments.

Detailed Description

Implements a fisheye distortion effect for pixel groups.

The Fisheye effect dynamically distorts pixel positions around a specified offset using sinusoidal function generators for smooth, animated transformations.

Definition at line 26 of file Fisheye.h.

Constructor & Destructor Documentation

Fisheye()

Fisheye

(

float

amplitude = 0.5f

)

Constructs a Fisheye effect with a specified amplitude.

Parameters

amplitude

The amplitude of the fisheye distortion. Default is 0.5.

Definition at line 3 of file Fisheye.cpp.

Member Function Documentation

ApplyEffect()

void ApplyEffect ( IPixelGroup *  pixelGroup )

overridevirtual

Applies the fisheye effect to the given pixel group.

This method modifies the positions of the pixels in the group based on the fisheye distortion formula, using the amplitude, offset, and function generators.

Parameters

pixelGroup

Pointer to the IPixelGroup to which the effect will be applied.

Implements Effect.

Definition at line 13 of file Fisheye.cpp.

References amplitude, RGBColor::B, Vector2D::CalculateEuclideanDistance(), fGenWarp, fGenX, fGenY, RGBColor::G, IPixelGroup::GetCenterCoordinate(), IPixelGroup::GetColorBuffer(), IPixelGroup::GetColors(), IPixelGroup::GetCoordinate(), IPixelGroup::GetOffsetXYIndex(), IPixelGroup::GetPixelCount(), offset, RGBColor::R, Effect::ratio, FunctionGenerator::Update(), Vector2D::X, and Vector2D::Y.

SetAmplitude()

void SetAmplitude

(

float

amplitude

)

Sets the amplitude of the distortion.

Parameters

amplitude

The new amplitude for the fisheye effect.

Definition at line 9 of file Fisheye.cpp.

References amplitude.

SetPosition()

void SetPosition

(

Vector2D

offset

)

Sets the distortion center offset.

Parameters

offset

The new offset for the fisheye effect center.

Definition at line 5 of file Fisheye.cpp.

References offset.

Member Data Documentation

amplitude

float amplitude

private

Amplitude of the distortion effect.

Definition at line 29 of file Fisheye.h.

Referenced by ApplyEffect(), and SetAmplitude().

fGenSize

FunctionGenerator fGenSize = FunctionGenerator(FunctionGenerator::Sine, 1.0f, 48.0f, 2.3f)

private

Controls the size modulation.

Definition at line 30 of file Fisheye.h.

fGenWarp

FunctionGenerator fGenWarp = FunctionGenerator(FunctionGenerator::Sine, 1.0f, 100.0f, 3.7f)

private

Controls warp effect.

Definition at line 33 of file Fisheye.h.

Referenced by ApplyEffect().

fGenX

FunctionGenerator fGenX = FunctionGenerator(FunctionGenerator::Sine, -96.0f, 96.0f, 2.7f)

private

Controls X-axis displacement.

Definition at line 31 of file Fisheye.h.

Referenced by ApplyEffect().

fGenY

FunctionGenerator fGenY = FunctionGenerator(FunctionGenerator::Sine, -96.0f, 96.0f, 1.7f)

private

Controls Y-axis displacement.

Definition at line 32 of file Fisheye.h.

Referenced by ApplyEffect().

offset

Vector2D offset = Vector2D(0.0f, 0.0f)

private

Offset for the fisheye distortion center.

Definition at line 28 of file Fisheye.h.

Referenced by ApplyEffect(), and SetPosition().

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

• Fisheye.h
• Fisheye.cpp