1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276 | 1×
1×
1×
1×
1×
1×
1×
1×
1×
1×
1×
1×
1×
1×
1×
1×
1×
1×
1×
1×
1×
1×
1×
1×
1×
1×
1×
1×
1×
1×
1×
5×
5×
1×
5×
5×
1×
3×
3×
1×
1×
1×
1×
1×
1×
2×
2×
2×
2×
1×
2×
2×
2×
1×
1×
| var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
define(["require", "exports", "@syncfusion/ej2-base", "@syncfusion/ej2-pdf"], function (require, exports, ej2_base_1, ej2_pdf_1) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var PdfViewerUtils = (function () {
function PdfViewerUtils() {
}
PdfViewerUtils.isSupportedFont = function (text, font) {
try {
if (!ej2_base_1.isNullOrUndefined(text) && !ej2_base_1.isNullOrUndefined(font)) {
for (var i = 0; i < text.length; i++) {
var ch = text[parseInt(i.toString(), 10)];
font._fontInternal._ttfReader._getGlyph(ch);
if (!font._fontInternal._ttfReader._isFontPresent) {
return font._fontInternal._ttfReader._isFontPresent;
}
}
return true;
}
}
catch (e) {
return false;
}
return false;
};
PdfViewerUtils.processFontStream = function (fontStream) {
return fontStream instanceof Uint8Array ? this.convertByteArrayToBase64(fontStream) : fontStream;
};
PdfViewerUtils.fetchCustomFonts = function (customFonts, url) {
var _this = this;
var fontCollection = {};
var fontPromises = customFonts.map(function (font) {
var fontPath;
if (font.startsWith('http://') || font.startsWith('https://')) {
fontPath = font;
}
else {
fontPath = url + "/" + font;
}
var parts = fontPath.split('/');
var fileName = parts.pop() || '';
if (Object.keys(fontCollection).indexOf(fileName) === -1) {
return _this.fetchData(fontPath).then(function (fontData) { return __awaiter(_this, void 0, void 0, function () {
var fallbackFontPath;
return __generator(this, function (_a) {
if (fontData) {
fontCollection[parts.indexOf('fallbackfonts') !== -1 ?
'fallbackfonts_' + fileName.toLowerCase() : fileName.toLowerCase()] = fontData;
}
else {
fallbackFontPath = url + "/fallbackfonts/" + font;
return [2, this.fetchData(fallbackFontPath).then(function (fallbackData) {
if (fallbackData) {
fontCollection['fallbackfonts_' + fileName.toLowerCase()] = fallbackData;
}
})];
}
return [2];
});
}); });
}
return null;
});
return Promise.all(fontPromises).then(function () { return fontCollection; });
};
PdfViewerUtils.tryGetFontFromKeys = function (fontCollection, text, fontSize, fontStyle) {
var keys = Object.keys(fontCollection);
for (var _i = 0, keys_1 = keys; _i < keys_1.length; _i++) {
var key = keys_1[_i];
var fontStream = this.processFontStream(fontCollection["" + key]);
var font = new ej2_pdf_1.PdfTrueTypeFont(fontStream, this.convertPixelToPoint(fontSize), fontStyle ? fontStyle : ej2_pdf_1.PdfFontStyle.regular);
var glyphPresent = this.isSupportedFont(text, font);
if (glyphPresent) {
return font;
}
font = null;
fontStream = null;
}
return null;
};
PdfViewerUtils.getFontKey = function (fallbackFontCollection, fontFamily) {
if (fallbackFontCollection["" + fontFamily] || fallbackFontCollection[fontFamily + '.ttf']) {
return fallbackFontCollection["" + fontFamily] ? fontFamily : fontFamily + '.ttf';
}
var font = fontFamily.endsWith('.ttf') ? fontFamily : fontFamily + '.ttf';
for (var key in fallbackFontCollection) {
if (key.toLowerCase().endsWith(font.toLowerCase())) {
return key;
}
}
return undefined;
};
PdfViewerUtils.isHexRGBAAndTransparent = function (color) {
var hexRGBARegex = /^#([A-Fa-f0-9]{8})$/;
if (!hexRGBARegex.test(color)) {
return false;
}
var alphaHex = color.slice(-2);
var alphaDecimal = parseInt(alphaHex, 16);
return alphaDecimal === 0;
};
PdfViewerUtils.setTransparencyToHex = function (color) {
if (color.includes('#')) {
if (color.length > 8 && color !== '#00000000') {
color = color.slice(0, -2) + '60';
}
else {
color += '60';
}
}
return color;
};
PdfViewerUtils.removeAlphaValueFromHex = function (color) {
if (color.includes('#')) {
if (color.length > 8) {
color = color.slice(0, -2);
}
}
return color;
};
PdfViewerUtils.fetchData = function (filePath) {
return fetch(filePath)
.then(function (response) {
if (!response.ok) {
return null;
}
return response.arrayBuffer().then(function (buffer) { return new Uint8Array(buffer); });
})
.catch(function () { return null; });
};
PdfViewerUtils.convertByteArrayToBase64 = function (byteArray) {
var binaryString = '';
var byteArrayLength = byteArray.byteLength;
for (var i = 0; i < byteArrayLength; i++) {
binaryString += String.fromCharCode(byteArray[parseInt(i.toString(), 10)]);
}
return btoa(binaryString);
};
PdfViewerUtils.convertPixelToPoint = function (value) {
return (value * 72 / 96);
};
return PdfViewerUtils;
}());
exports.PdfViewerUtils = PdfViewerUtils;
var PdfViewerSessionStorage = (function () {
function PdfViewerSessionStorage(enableLocalStorage) {
this.localStorage = {};
this.enableLocalStorage = true;
this.documentId = '';
this.enableLocalStorage = enableLocalStorage;
}
PdfViewerSessionStorage.prototype.setItem = function (key, value) {
Iif (this.enableLocalStorage) {
this.localStorage["" + key] = value;
}
else {
window.sessionStorage.setItem(key, value);
}
};
PdfViewerSessionStorage.prototype.getItem = function (key) {
Iif (this.enableLocalStorage) {
return (key in this.localStorage) ? this.localStorage["" + key] : null;
}
else {
return window.sessionStorage.getItem(key);
}
};
PdfViewerSessionStorage.prototype.removeItem = function (key) {
Iif (this.enableLocalStorage) {
delete this.localStorage["" + key];
}
else {
window.sessionStorage.removeItem(key);
}
};
PdfViewerSessionStorage.prototype.getSessionLength = function () {
if (this.enableLocalStorage) {
return Object.keys(this.localStorage).length;
}
else {
return window.sessionStorage.length;
}
};
PdfViewerSessionStorage.prototype.getKey = function (index) {
if (this.enableLocalStorage) {
var keys = Object.keys(this.localStorage);
return keys[parseInt(index.toString(), 10)] || null;
}
else {
return window.sessionStorage.key(index);
}
};
PdfViewerSessionStorage.prototype.getWindowSessionStorageSize = function () {
return Math.round(JSON.stringify(window.sessionStorage).length / 1024);
};
PdfViewerSessionStorage.prototype.migrateToLocalStorage = function (enableLocalStorage) {
this.enableLocalStorage = enableLocalStorage;
if (this.enableLocalStorage) {
var removingItems = this.getRemovingItems();
for (var i = 0; i < removingItems.length; i++) {
var key = removingItems[parseInt(i.toString(), 10)];
if (key) {
var value = window.sessionStorage.getItem(key);
if (!ej2_base_1.isNullOrUndefined(value) && this.documentId !== '' && key.indexOf(this.documentId) !== -1) {
this.localStorage["" + key] = value;
window.sessionStorage.removeItem(key);
}
}
}
removingItems = null;
}
};
PdfViewerSessionStorage.prototype.clear = function () {
Iif (this.enableLocalStorage) {
this.localStorage = {};
}
else {
var removingItems = this.getRemovingItems();
for (var i = 0; i < removingItems.length; i++) {
var key = removingItems[parseInt(i.toString(), 10)];
if (key.indexOf('Sync_PdfViewer_') !== -1) {
window.sessionStorage.removeItem(key);
}
}
removingItems = null;
}
};
PdfViewerSessionStorage.prototype.getRemovingItems = function () {
var keysToProcess = [];
for (var i = 0; i < window.sessionStorage.length; i++) {
var key = window.sessionStorage.key(i);
if (key) {
keysToProcess.push(key);
}
}
return keysToProcess;
};
return PdfViewerSessionStorage;
}());
exports.PdfViewerSessionStorage = PdfViewerSessionStorage;
});
|