libProcessing

Processing is a flexible software sketchbook and a language for learning how to code within the context of the visual arts. libProcessing is a C++ library for Processing.

Requirement

• Qt 5

Usage

Please see libProcessingTemplate.

Reference

WARNING: This is a starting project and most of the APIs are not supported yet or partially implemented. Some API interfaces are C/C++ specific because of the language limitations.

Official/Java version is Processing Reference.

WARNING: I have a real job so I can only spend a little time on this project. The functionality of functions are only partially tested and it is not recommented for real use.

Structure

• () (parentheses)
• , (comma)
• . (dot)
• /* */ (multiline comment)
• /** */ (doc comment)
• // (comment)
• ; (semicolon)
• = (assign)
• [] (array access)
• {} (curly braces)
• catch
• class
• draw()
• exit()
• false
• final (C++ 11 and above)
• loop()
• new
• noLoop()
• nullptr (C++ 11 and above)
• popStyle()
• private
• public
• pushStyle()
• return
• setup()
• static
• this
• true
• try
• void

Envrionment

• frameCount
• frameRate
• height
• setFrameRate()
• size()
• width

Data

Primitive

• boolean
• byte
• char
• color
• double
• float
• int
• long

Control

Relational Operators

• != (inequality)
• < (less than)
• <= (less than or equal to)
• == (equality)
• > (greater than)
• >= (greater than or equal to)

Iteration

• for
• while

Conditionals

• ?: (conditional)
• break
• case
• continue
• default
• else
• if
• switch

Logical Operators

• ! (logical NOT)
• && (logical AND)
• || (logical OR)

Shape

2D Primitives

• arc()
• ellipse()
• line()
• point()
• quad()
• rect()
• triangle()

Attributes

• ellipseMode()
• rectMode()
• strokeWeight()

Input

Mouse

• mouseClicked()
• mouseDragged()
• mouseMoved()
• mousePressed()
• isMousePressed
• mouseReleased()
• mouseX
• mouseY
• pmouseX
• pmouseY

Keyboard

• key
• keyCode
• keyPressed()
• isKeyPressed
• keyReleased()
• keyTyped()

Output

Text Area

• print()
• println()

Transform

• rotate()
• translate()

Color

Setting

• background()
• colorMode()
• fill()
• noFill()
• noStroke()
• stroke()

Creating & Reading

• alpha()
• blue()
• brightness()
• color()
• green()
• hue()
• red()
• saturation()

Math

• PVector

Operators

• % (modulo)
• * (multiply)
• *= (multiply assign)
• + (addition)
• ++ (increment)
• += (add assign)
• - (minus)
• -- (decrement)
• -= (subtract assign)
• / (divide)
• /= (divide assign)

Bitwise Operators

• & (bitwise AND)
• << (left shift)
• >> (right shift)
• | (bitwise OR)

Calculation

• abs()
• ceil()
• constrain()
• dist()
• exp()
• floor()
• lerp()
• log()
• mag()
• map()
• max()
• min()
• norm()
• pow()
• round()
• sq()
• sqrt()

Trigonometry

• acos()
• asin()
• atan()
• atan2()
• cos()
• degrees()
• radians()
• sin()
• tan()

Random

• random()
• randomSeed()

Constants

• HALF_PI
• PI
• QUARTER_PI
• TAU
• TWO_PI

License

GNU Lesser General Public License (LGPL) version 3