gemini/lib/image.js at stable · hatroman/gemini

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'use strict';

var q = require('q'),

looksSame = require('looks-same'),

PngImg = require('png-img'),

inherit = require('inherit');

module.exports = inherit({

__constructor: function(buffer) {

this._img = new PngImg(buffer);

crop: function crop(rect) {

this._img.crop(rect.left, rect.top, rect.width, rect.height);

return q.resolve(this);

getSize: function() {

return this._img.size();

save: function save(file) {

return q.ninvoke(this._img, 'save', file);

}

}, {

compare: function(path1, path2, options) {

options = options || {};

return q.nfcall(looksSame, path1, path2, {

strict: options.strictComparison,

ignoreCaret: options.canHaveCaret

});

buildDiff: function(opts) {

return q.nfcall(looksSame.createDiff, {

reference: opts.reference,

current: opts.current,

diff: opts.diff,

highlightColor: opts.diffColor,

strict: opts.strictComparison

});

}

});