thedesk/app/node_modules/@jimp/png/dist/index.js
2019-09-12 23:38:13 +09:00

162 lines
5.0 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
require("core-js/modules/es6.object.define-property");
var _pngjs = require("pngjs");
var _utils = require("@jimp/utils");
function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
var MIME_TYPE = 'image/png'; // PNG filter types
var PNG_FILTER_AUTO = -1;
var PNG_FILTER_NONE = 0;
var PNG_FILTER_SUB = 1;
var PNG_FILTER_UP = 2;
var PNG_FILTER_AVERAGE = 3;
var PNG_FILTER_PATH = 4;
var _default = function _default() {
return {
mime: _defineProperty({}, MIME_TYPE, ['png']),
constants: {
MIME_PNG: MIME_TYPE,
PNG_FILTER_AUTO: PNG_FILTER_AUTO,
PNG_FILTER_NONE: PNG_FILTER_NONE,
PNG_FILTER_SUB: PNG_FILTER_SUB,
PNG_FILTER_UP: PNG_FILTER_UP,
PNG_FILTER_AVERAGE: PNG_FILTER_AVERAGE,
PNG_FILTER_PATH: PNG_FILTER_PATH
},
hasAlpha: _defineProperty({}, MIME_TYPE, true),
decoders: _defineProperty({}, MIME_TYPE, _pngjs.PNG.sync.read),
encoders: _defineProperty({}, MIME_TYPE, function (data) {
var png = new _pngjs.PNG({
width: data.bitmap.width,
height: data.bitmap.height
});
png.data = data.bitmap.data;
return _pngjs.PNG.sync.write(png, {
width: data.bitmap.width,
height: data.bitmap.height,
deflateLevel: data._deflateLevel,
deflateStrategy: data._deflateStrategy,
filterType: data._filterType,
colorType: typeof data._colorType === 'number' ? data._colorType : data._rgba ? 6 : 2,
inputHasAlpha: data._rgba
});
}),
class: {
_deflateLevel: 9,
_deflateStrategy: 3,
_filterType: PNG_FILTER_AUTO,
_colorType: null,
/**
* Sets the deflate level used when saving as PNG format (default is 9)
* @param {number} l Deflate level to use 0-9. 0 is no compression. 9 (default) is maximum compression.
* @param {function(Error, Jimp)} cb (optional) a callback for when complete
* @returns {Jimp} this for chaining of methods
*/
deflateLevel: function deflateLevel(l, cb) {
if (typeof l !== 'number') {
return _utils.throwError.call(this, 'l must be a number', cb);
}
if (l < 0 || l > 9) {
return _utils.throwError.call(this, 'l must be a number 0 - 9', cb);
}
this._deflateLevel = Math.round(l);
if ((0, _utils.isNodePattern)(cb)) {
cb.call(this, null, this);
}
return this;
},
/**
* Sets the deflate strategy used when saving as PNG format (default is 3)
* @param {number} s Deflate strategy to use 0-3.
* @param {function(Error, Jimp)} cb (optional) a callback for when complete
* @returns {Jimp} this for chaining of methods
*/
deflateStrategy: function deflateStrategy(s, cb) {
if (typeof s !== 'number') {
return _utils.throwError.call(this, 's must be a number', cb);
}
if (s < 0 || s > 3) {
return _utils.throwError.call(this, 's must be a number 0 - 3', cb);
}
this._deflateStrategy = Math.round(s);
if ((0, _utils.isNodePattern)(cb)) {
cb.call(this, null, this);
}
return this;
},
/**
* Sets the filter type used when saving as PNG format (default is automatic filters)
* @param {number} f The quality to use -1-4.
* @param {function(Error, Jimp)} cb (optional) a callback for when complete
* @returns {Jimp} this for chaining of methods
*/
filterType: function filterType(f, cb) {
if (typeof f !== 'number') {
return _utils.throwError.call(this, 'n must be a number', cb);
}
if (f < -1 || f > 4) {
return _utils.throwError.call(this, 'n must be -1 (auto) or a number 0 - 4', cb);
}
this._filterType = Math.round(f);
if ((0, _utils.isNodePattern)(cb)) {
cb.call(this, null, this);
}
return this;
},
/**
* Sets the color type used when saving as PNG format
* @param {number} s color type to use 0, 2, 4, 6.
* @param {function(Error, Jimp)} cb (optional) a callback for when complete
* @returns {Jimp} this for chaining of methods
*/
colorType: function colorType(s, cb) {
if (typeof s !== 'number') {
return _utils.throwError.call(this, 's must be a number', cb);
}
if (s !== 0 && s !== 2 && s !== 4 && s !== 6) {
return _utils.throwError.call(this, 's must be a number 0, 2, 4, 6.', cb);
}
this._colorType = Math.round(s);
if ((0, _utils.isNodePattern)(cb)) {
cb.call(this, null, this);
}
return this;
}
}
};
};
exports.default = _default;
module.exports = exports.default;
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