jQuery toCanvas
This plugin allow you to add effects to images and html5 videotags easily. It supports different types of processed effects and overlay
documentention is a work in progress
Global
render()
Render all effects, overlays, filters, etc. Called automatically by the plugin, but you can use this for custom functionality
Returns: obj, this
draw()
Draw the contents of this.element to canvas en reset internal pixel data Called by the plugin#render method, but you can use this for custom functionality
Returns: obj, this
putImageData()
draw the current pixel-data to the canvas and read the new pixel information from result Called by the process#processcallback method, but you can use this for custom functionality
Returns: obj, this
process(callback)
Process a callback for each pixel. We loop over all pixels and call the callback for each. This function is used by all processed effects
Parameters
callback: function, The callback must return an array [r, g, b, a]
Returns: obj, this
grayscale(options)
Convert pixels to a pure gray value
Parameters
options: obj, Convert pixels to a pure gray value
Returns: array, r, g, b, a
sepia(options)
Convert pixels to sepia color
Parameters
options: obj, Convert pixels to sepia color
Returns: array, r, g, b, a
invert(options)
Invert r, g and by by subtracting original values from 255
Parameters
options: obj, Invert r, g and by by subtracting original values from 255
Returns: array, r, g, b, a
edges(options)
Find edges
Parameters
options: obj, Find edges
Returns: array, r, g, b, a
noise(options)
Add randomized noise
Parameters
options: obj, Add randomized noise
Returns: array, r, g, b, a
pixelate(options)
[pixelate description]
Parameters
options: obj, [pixelate description]
Returns: array, r, g, b, a
blur(options)
Parameters
options: obj
Returns: array, r, g, b, a
boxBlur(options)
Parameters
options: obj
Returns: array, r, g, b, a
gaussianBlur(options)
Parameters
options: obj
Returns: array, r, g, b, a
sharpen(options)
Parameters
options: obj
Returns: array, r, g, b, a
emboss(options)
Parameters
options: obj
Returns: array, r, g, b, a
laplace(options)
Parameters
options: obj
Returns: array, r, g, b, a
sobel(options)
Parameters
options: obj
Returns: array, r, g, b, a
sobelVertical(options)
Parameters
options: obj
Returns: array, r, g, b, a
sobelHorizontal(options)
Parameters
options: obj
Returns: array, r, g, b, a
convolutionFilter(options)
Parameters
options: obj
Returns: array, r, g, b, a
vignette(options)
Add a vignette
Parameters
options: obj, Add a vignette
Returns: obj, this
threshold(options)
Parameters
options: obj
Returns: array, r, g, b, a
hue(options)
Parameters
options: obj
Returns: array, r, g, b, a
saturation(options)
Parameters
options: obj
Returns: array, r, g, b, a
brightness(options)
Parameters
options: obj
Returns: array, r, g, b, a
lightness(options)
Parameters
options: obj
Returns: array, r, g, b, a
contrast(options)
Parameters
options: obj
Returns: array, r, g, b, a
gamma(options)
Parameters
options: obj
Returns: array, r, g, b, a
rgb2hsl(r, g, b)
Convert an RGB tuplet to HSL
Parameters
r: int, Red component [0-255]
g: int, Green component [0-255]
b: int, Blue component [0-255]
Returns: obj, HSL (object {h, s, l})
hsl2rgb(h, s, l)
Convert an HSL tuplet to RGB
Parameters
h: int, Hue component [0-1]
s: int, Saturation component [0-1]
l: int, Lightness component [0-1]
Returns: obj, RGB (object {r, g, b})
hue2rgb(p, q, t)
Convert a hue to an RGB component
Parameters
p: int, Convert a hue to an RGB component
q: int, Convert a hue to an RGB component
t: int, Convert a hue to an RGB component
Returns: int, p
gaussian(x, mu, sigma)
1D Gaussian function
Parameters
x: float, 1D Gaussian function
mu: float, 1D Gaussian function
sigma: float, 1D Gaussian function
Returns: float, gaussian
