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- "use strict";
- var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports["default"] = void 0;
- var _typeof2 = _interopRequireDefault(require("@babel/runtime/helpers/typeof"));
- var _toConsumableArray2 = _interopRequireDefault(require("@babel/runtime/helpers/toConsumableArray"));
- var _path = _interopRequireDefault(require("path"));
- var _loadBmfont = _interopRequireDefault(require("load-bmfont"));
- var _utils = require("@jimp/utils");
- var _measureText = require("./measure-text");
- function xOffsetBasedOnAlignment(constants, font, line, maxWidth, alignment) {
- if (alignment === constants.HORIZONTAL_ALIGN_LEFT) {
- return 0;
- }
- if (alignment === constants.HORIZONTAL_ALIGN_CENTER) {
- return (maxWidth - (0, _measureText.measureText)(font, line)) / 2;
- }
- return maxWidth - (0, _measureText.measureText)(font, line);
- }
- function drawCharacter(image, font, x, y, _char) {
- if (_char.width > 0 && _char.height > 0) {
- var characterPage = font.pages[_char.page];
- image.blit(characterPage, x + _char.xoffset, y + _char.yoffset, _char.x, _char.y, _char.width, _char.height);
- }
- return image;
- }
- function printText(font, x, y, text, defaultCharWidth) {
- for (var i = 0; i < text.length; i++) {
- var _char2 = void 0;
- if (font.chars[text[i]]) {
- _char2 = text[i];
- } else if (/\s/.test(text[i])) {
- _char2 = '';
- } else {
- _char2 = '?';
- }
- var fontChar = font.chars[_char2] || {};
- var fontKerning = font.kernings[_char2];
- drawCharacter(this, font, x, y, fontChar || {});
- var kerning = fontKerning && fontKerning[text[i + 1]] ? fontKerning[text[i + 1]] : 0;
- x += kerning + (fontChar.xadvance || defaultCharWidth);
- }
- }
- function splitLines(font, text, maxWidth) {
- var words = text.split(' ');
- var lines = [];
- var currentLine = [];
- var longestLine = 0;
- words.forEach(function (word) {
- var line = [].concat((0, _toConsumableArray2["default"])(currentLine), [word]).join(' ');
- var length = (0, _measureText.measureText)(font, line);
- if (length <= maxWidth) {
- if (length > longestLine) {
- longestLine = length;
- }
- currentLine.push(word);
- } else {
- lines.push(currentLine);
- currentLine = [word];
- }
- });
- lines.push(currentLine);
- return {
- lines: lines,
- longestLine: longestLine
- };
- }
- function loadPages(Jimp, dir, pages) {
- var newPages = pages.map(function (page) {
- return Jimp.read(dir + '/' + page);
- });
- return Promise.all(newPages);
- }
- var dir = process.env.DIRNAME || "".concat(__dirname, "/../");
- var _default = function _default() {
- return {
- constants: {
- measureText: _measureText.measureText,
- measureTextHeight: _measureText.measureTextHeight,
- FONT_SANS_8_BLACK: _path["default"].join(dir, 'fonts/open-sans/open-sans-8-black/open-sans-8-black.fnt'),
- FONT_SANS_10_BLACK: _path["default"].join(dir, 'fonts/open-sans/open-sans-10-black/open-sans-10-black.fnt'),
- FONT_SANS_12_BLACK: _path["default"].join(dir, 'fonts/open-sans/open-sans-12-black/open-sans-12-black.fnt'),
- FONT_SANS_14_BLACK: _path["default"].join(dir, 'fonts/open-sans/open-sans-14-black/open-sans-14-black.fnt'),
- FONT_SANS_16_BLACK: _path["default"].join(dir, 'fonts/open-sans/open-sans-16-black/open-sans-16-black.fnt'),
- FONT_SANS_32_BLACK: _path["default"].join(dir, 'fonts/open-sans/open-sans-32-black/open-sans-32-black.fnt'),
- FONT_SANS_64_BLACK: _path["default"].join(dir, 'fonts/open-sans/open-sans-64-black/open-sans-64-black.fnt'),
- FONT_SANS_128_BLACK: _path["default"].join(dir, 'fonts/open-sans/open-sans-128-black/open-sans-128-black.fnt'),
- FONT_SANS_8_WHITE: _path["default"].join(dir, 'fonts/open-sans/open-sans-8-white/open-sans-8-white.fnt'),
- FONT_SANS_16_WHITE: _path["default"].join(dir, 'fonts/open-sans/open-sans-16-white/open-sans-16-white.fnt'),
- FONT_SANS_32_WHITE: _path["default"].join(dir, 'fonts/open-sans/open-sans-32-white/open-sans-32-white.fnt'),
- FONT_SANS_64_WHITE: _path["default"].join(dir, 'fonts/open-sans/open-sans-64-white/open-sans-64-white.fnt'),
- FONT_SANS_128_WHITE: _path["default"].join(dir, 'fonts/open-sans/open-sans-128-white/open-sans-128-white.fnt'),
- /**
- * Loads a bitmap font from a file
- * @param {string} file the file path of a .fnt file
- * @param {function(Error, Jimp)} cb (optional) a function to call when the font is loaded
- * @returns {Promise} a promise
- */
- loadFont: function loadFont(file, cb) {
- var _this = this;
- if (typeof file !== 'string') return _utils.throwError.call(this, 'file must be a string', cb);
- return new Promise(function (resolve, reject) {
- cb = cb || function (err, font) {
- if (err) reject(err);else resolve(font);
- };
- (0, _loadBmfont["default"])(file, function (err, font) {
- var chars = {};
- var kernings = {};
- if (err) {
- return _utils.throwError.call(_this, err, cb);
- }
- for (var i = 0; i < font.chars.length; i++) {
- chars[String.fromCharCode(font.chars[i].id)] = font.chars[i];
- }
- for (var _i = 0; _i < font.kernings.length; _i++) {
- var firstString = String.fromCharCode(font.kernings[_i].first);
- kernings[firstString] = kernings[firstString] || {};
- kernings[firstString][String.fromCharCode(font.kernings[_i].second)] = font.kernings[_i].amount;
- }
- loadPages(_this, _path["default"].dirname(file), font.pages).then(function (pages) {
- cb(null, {
- chars: chars,
- kernings: kernings,
- pages: pages,
- common: font.common,
- info: font.info
- });
- });
- });
- });
- }
- },
- "class": {
- /**
- * Draws a text on a image on a given boundary
- * @param {Jimp} font a bitmap font loaded from `Jimp.loadFont` command
- * @param {number} x the x position to start drawing the text
- * @param {number} y the y position to start drawing the text
- * @param {any} text the text to draw (string or object with `text`, `alignmentX`, and/or `alignmentY`)
- * @param {number} maxWidth (optional) the boundary width to draw in
- * @param {number} maxHeight (optional) the boundary height to draw in
- * @param {function(Error, Jimp)} cb (optional) a function to call when the text is written
- * @returns {Jimp} this for chaining of methods
- */
- print: function print(font, x, y, text, maxWidth, maxHeight, cb) {
- var _this2 = this;
- if (typeof maxWidth === 'function' && typeof cb === 'undefined') {
- cb = maxWidth;
- maxWidth = Infinity;
- }
- if (typeof maxWidth === 'undefined') {
- maxWidth = Infinity;
- }
- if (typeof maxHeight === 'function' && typeof cb === 'undefined') {
- cb = maxHeight;
- maxHeight = Infinity;
- }
- if (typeof maxHeight === 'undefined') {
- maxHeight = Infinity;
- }
- if ((0, _typeof2["default"])(font) !== 'object') {
- return _utils.throwError.call(this, 'font must be a Jimp loadFont', cb);
- }
- if (typeof x !== 'number' || typeof y !== 'number' || typeof maxWidth !== 'number') {
- return _utils.throwError.call(this, 'x, y and maxWidth must be numbers', cb);
- }
- if (typeof maxWidth !== 'number') {
- return _utils.throwError.call(this, 'maxWidth must be a number', cb);
- }
- if (typeof maxHeight !== 'number') {
- return _utils.throwError.call(this, 'maxHeight must be a number', cb);
- }
- var alignmentX;
- var alignmentY;
- if ((0, _typeof2["default"])(text) === 'object' && text.text !== null && text.text !== undefined) {
- alignmentX = text.alignmentX || this.constructor.HORIZONTAL_ALIGN_LEFT;
- alignmentY = text.alignmentY || this.constructor.VERTICAL_ALIGN_TOP;
- var _text = text;
- text = _text.text;
- } else {
- alignmentX = this.constructor.HORIZONTAL_ALIGN_LEFT;
- alignmentY = this.constructor.VERTICAL_ALIGN_TOP;
- text = text.toString();
- }
- if (maxHeight !== Infinity && alignmentY === this.constructor.VERTICAL_ALIGN_BOTTOM) {
- y += maxHeight - (0, _measureText.measureTextHeight)(font, text, maxWidth);
- } else if (maxHeight !== Infinity && alignmentY === this.constructor.VERTICAL_ALIGN_MIDDLE) {
- y += maxHeight / 2 - (0, _measureText.measureTextHeight)(font, text, maxWidth) / 2;
- }
- var defaultCharWidth = Object.entries(font.chars)[0][1].xadvance;
- var _splitLines = splitLines(font, text, maxWidth),
- lines = _splitLines.lines,
- longestLine = _splitLines.longestLine;
- lines.forEach(function (line) {
- var lineString = line.join(' ');
- var alignmentWidth = xOffsetBasedOnAlignment(_this2.constructor, font, lineString, maxWidth, alignmentX);
- printText.call(_this2, font, x + alignmentWidth, y, lineString, defaultCharWidth);
- y += font.common.lineHeight;
- });
- if ((0, _utils.isNodePattern)(cb)) {
- cb.call(this, null, this, {
- x: x + longestLine,
- y: y
- });
- }
- return this;
- }
- }
- };
- };
- exports["default"] = _default;
- //# sourceMappingURL=index.js.map
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