Utility presenting a canvas to the user, along with a brush tool to paint on it using different shapes. More...

Public Member Functions
	PaintingTool (unsigned int width, unsigned int height)

void	draw ()

void	update ()

void	resize (uint width, uint height)

const Texture *	texture () const

const Texture *	visuId () const

Private Types
enum class	Mode : int { DRAW = 0 , ERASE }
	The effect of a brush stroke.

enum class	Shape : int { CIRCLE = 0 , SQUARE , DIAMOND , COUNT }
	The shape of the brush.

Private Attributes
Texture	_canvas
	Scene rendering buffer.

Texture	_visu
	Scene rendering buffer.

Program *	_brushShader
	Program for the brush and its outline.

std::vector< Mesh >	_brushes
	Brush shape geometries.

glm::vec3	_bgColor = glm::vec3(0.0f)
	Canvas color.

glm::vec3	_fgColor = glm::vec3(1.0f)
	Brush color.

glm::vec2	_drawPos = glm::vec2(0.0f)
	Current brush position.

int	_radius = 40
	Brush radius, in pixels.

Mode	_mode = Mode::DRAW
	Current brush effect.

Shape	_shape = Shape::CIRCLE
	Current brush shape.

bool	_shouldClear = true
	Clear the canvas at the next frame.

bool	_shouldDraw = false
	Apply the brush to the canvas at the next frame.

GPUAsyncTask	_readbackTask = 0
	Handle for color picker task.

Detailed Description

Utility presenting a canvas to the user, along with a brush tool to paint on it using different shapes.

Constructor & Destructor Documentation

Constructor.

Parameters

width	the canvas width
height	the canvas height

void PaintingTool::draw ( )

Draw the scene and effects

Handle a window resize event.

Parameters

width	the new width
height	the new height

const Texture * PaintingTool::texture ( ) const

inline

Canvas content texture.

void PaintingTool::update ( )

Perform once-per-frame update (buttons, GUI,...)

const Texture * PaintingTool::visuId ( ) const

inline

Texture containing the canvas and the brush shape outline, for visualisation.

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