/
x.js
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/
x.js
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/**
* XadillaX created at 2014-09-16 13:09
*
* Copyright (c) 2014 Huaban.com, all rights
* reserved.
*/
require("sugar");
var thmclrxCpp = require("../build/Release/thmclrx.node");
var pixelGetter = require("pixel-getter");
var defaultPalette = require("./defaultPalette");
defaultPalette = defaultPalette.map(function(palette) {
return {
r : palette[0],
g : palette[1],
b : palette[2]
};
});
/**
* octree get
* @param file
* @param [maxColors]
* @param [callback]
* @param [frameNumber]
*/
exports.octreeGet = function(file, maxColors, callback, frameNumber) {
if(typeof callback === "number") {
frameNumber = callback;
callback = undefined;
}
if(typeof maxColors === "function") {
callback = maxColors;
maxColors = undefined;
}
if(undefined === frameNumber) frameNumber = 0;
if(undefined === callback) callback = function(){};
if(undefined === maxColors) maxColors = 256;
pixelGetter.get(file, function(err, pixels) {
if(err) {
return callback(err);
}
try {
var result = thmclrxCpp.octreeGet(pixels[frameNumber], maxColors);
pixels = undefined;
} catch(e) {
return callback(e);
}
callback(undefined, result);
});
};
/**
* min diff get
* @param file
* @param [palette]
* @param [callback]
* @param [frameNumber]
*/
exports.mindiffGet = function(file, palette, callback, frameNumber) {
if(typeof callback === "number") {
frameNumber = callback;
callback = undefined;
}
if(typeof palette === "function") {
callback = palette;
palette = undefined;
}
if(undefined === frameNumber) frameNumber = 0;
if(undefined === callback) callback = function(){};
if(undefined === palette) palette = defaultPalette;
pixelGetter.get(file, function(err, pixels) {
if(err) {
return callback(err);
}
try {
var result = thmclrxCpp.mindifferGet(pixels[frameNumber], palette);
pixels = undefined;
} catch(e) {
return callback(e);
}
callback(undefined, result);
});
};
/**
* mix get
* @param file
* @param [firstStepMaxColors]
* @param [palette]
* @param [callback]
* @param [frameNumber]
*/
exports.mixGet = function(file, firstStepMaxColors, palette, callback, frameNumber) {
if(typeof callback === "number") {
frameNumber = callback;
callback = undefined;
}
if(typeof palette === "number") {
frameNumber = palette;
palette = undefined;
}
if(typeof palette === "function") {
callback = palette;
palette = undefined;
}
if(typeof firstStepMaxColors === "function") {
callback = firstStepMaxColors;
firstStepMaxColors = undefined;
}
if(typeof firstStepMaxColors === "object") {
palette = firstStepMaxColors;
firstStepMaxColors = undefined;
}
if(undefined === firstStepMaxColors) firstStepMaxColors = 256;
if(undefined === palette) palette = defaultPalette;
if(undefined === callback) callback = function(){};
if(undefined === frameNumber) frameNumber = 0;
pixelGetter.get(file, function(err, pixels) {
if(err) {
return callback(err);
}
try {
var result = thmclrxCpp.octreeGet(pixels[frameNumber], firstStepMaxColors);
pixels = undefined;
result = thmclrxCpp.mindifferGet(result, palette);
} catch(e) {
return callback(e);
}
callback(undefined, result);
});
};
/**
* clear memory pool
*/
exports.cleanPool = function() {
thmclrxCpp.cleanPool();
};