save-pixels - npm Package Compare versions

Comparing version 2.1.0 to 2.2.0

package.json

		{
		"name": "save-pixels",
		"version": "2.1.0",
		"version": "2.2.0",
		"description": "Saves an ndarray as an image to a file",
		@@ -12,2 +12,3 @@ "main": "save-pixels.js",
		"contentstream": "^1.0.0",
		"gif-encoder": "~0.4.1",
		"jpeg-js": "0.0.4",
		@@ -14,0 +15,0 @@ "pngjs": "~0.4.0-alpha",

save-pixels.js

		"use strict"

		var ContentStream = require("contentstream")
		var GifEncoder = require("gif-encoder")
		var jpegJs = require("jpeg-js")
		@@ -8,5 +9,14 @@ var PNG = require("pngjs").PNG

		function handleData(array, data) {
		function handleData(array, data, frame) {
		var i, j, ptr = 0, c
		if(array.shape.length === 3) {
		if(array.shape.length === 4) {
		for(j=0; j<array.shape[2]; ++j) {
		for(i=0; i<array.shape[1]; ++i) {
		data[ptr++] = array.get(frame,i,j,0)>>>0
		data[ptr++] = array.get(frame,i,j,1)>>>0
		data[ptr++] = array.get(frame,i,j,2)>>>0
		data[ptr++] = array.get(frame,i,j,3)>>>0
		}
		}
		} else if(array.shape.length === 3) {
		if(array.shape[2] === 3) {
		@@ -85,2 +95,17 @@ for(j=0; j<array.shape[1]; ++j) {

		case "GIF":
		case ".GIF":
		var frames = array.shape.length === 4 ? array.shape[0] : 1
		var width = array.shape.length === 4 ? array.shape[1] : array.shape[0]
		var height = array.shape.length === 4 ? array.shape[2] : array.shape[1]
		var data = new Buffer(width * height * 4)
		var gif = new GifEncoder(width, height)
		gif.writeHeader()
		for (var i = 0; i < frames; i++) {
		data = handleData(array, data, i)
		gif.addFrame(data)
		}
		gif.finish()
		return gif

		case "PNG":
		@@ -87,0 +112,0 @@ case ".PNG":

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