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jsgui - A simple node.js class that has a Buffer and can get_pixel and set_pixel. Supports 24 bit rgb and 32 bit rgba.
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README.md

jsgui-node-pixel-buffer

jsgui - A simple node.js class that has a Buffer and can get_pixel and set_pixel. Supports 24 bit rgb and 32 bit rgba.

Installation

npm install jsgui-node-pixel-buffer

Pixel_Buffer Class

Constructor: init(spec)

spec object
Value Name Data type Description
size [int, int] The size of the image
bits_per_pixel int The number of bits per pixel. Supports value 24 for RGB images and 32 for RGBA images.
var Pixel_Buffer = jsgui_node_pixel_buffer;
var png = new Pixel_Buffer({
    'size': [640, 480],
    'bits_per_pixel': 32
});

get_pixel(x, y)

Gets the value of a pixel.

bits_per_pixel Return Value
24 [r, g, b]
32 [r, g, b, a]

set_pixel(...)

set_pixel(x, y, r, g, b)

set_pixel(x, y, r, g, b, a)

set_pixel(x, y, [r, g, b])

set_pixel(x, y, [r, g, b, a])

place_image_from_pixel_buffer(source_pixel_buffer, dest_position)

Value Name Data type
source_pixel_buffer Pixel_Buffer
dest_position [x, y]
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