-
Notifications
You must be signed in to change notification settings - Fork 50
/
index.html
707 lines (628 loc) · 30.3 KB
/
index.html
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
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>resvg-js playground</title>
<link rel="preload" as="fetch" type="application/wasm" href="./index_bg.wasm" crossorigin>
<script src="./index.min.js"></script>
<style>
:root {
--slider-thumb-size: 26px;
--slider-track-height: 14px;
--slider-thumb-bg-color: #FF8253;
--input-border-color: #666;
}
html {
box-sizing: border-box;
font-family: system-ui, Arial, Helvetica, sans-serif;
}
html:before {
content: '';
color: color-mix( in srgb, var(--picker-color), transparent var(--picker-alpha, 0%) );
/* Or use Relative color */
/* color: rgb(from var(--picker-color) r g b / var(--picker-alpha, 1)); */
}
*, *:before, *:after {
box-sizing: inherit;
}
* {
margin: 0;
padding: 0;
}
img {
max-width: 100%;
height: auto;
max-height: 100%;
}
header {
padding: 16px 0;
display: flex;
flex-direction: column;
align-items: center;
}
.site-title {
font-size: 36px;
background-image: linear-gradient(80deg, #FF8253, #DA1BC6);
-webkit-text-fill-color: transparent;
-webkit-background-clip: text;
background-clip: text;
}
main {
display: flex;
flex-direction: column;
margin-left: auto;
margin-right: auto;
}
input[type="color" i] {
border: none;
background: none;
}
input[type="color" i]::-webkit-color-swatch-wrapper {
padding: 0;
}
label {
cursor: pointer;
user-select: none;
}
.color-picker-box {
position: relative;
display: flex;
align-items: center;
height: var(--slider-track-height);
}
#color-picker {
visibility: hidden;
width: 40px;
height: var(--slider-track-height);
position: absolute;
bottom: -10px;
visibility: hidden;
position-anchor: --picker-target;
left: anchor(left);
margin-left: -106px;
}
input:not([type="color" i]), select {
height: 30px;
padding: 0 .5em;
font-size: 16px;
}
.box {
display: flex;
flex: 1;
margin-top: 20px;
margin-bottom: 30px;
}
#input-svg {
width: 100%;
min-height: 80vh;
resize: vertical;
font-size: 14px;
line-height: 1.2;
padding: .5em .8em;
border: 1px solid #ccc;
border-radius: 8px;
box-shadow: 0px 1px 6px rgba(0, 0, 0, 0.2);
}
.cell {
flex: 1;
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
margin-left: 26px;
margin-right: 26px;
}
.cell:nth-child(1) {
align-self: flex-start;
}
.info {
color: #333;
font-size: 16px;
}
.header-info {
margin-bottom: 16px;
}
#output .body {
flex: 1;
display: flex;
align-items: flex-start;
justify-content: center;
}
#output .body img {
outline: 1px dashed #666;
}
.opts {
display: flex;
justify-content: center;
border: 1px solid #ddd;
width: 100%;
padding: 20px 0;
margin-top: 10px;
position: sticky;
top: 0;
left: 0;
background-color: #fff;
}
.opts-cell {
display: flex;
align-items: center;
margin-left: 16px;
margin-right: 16px;
}
.opts-cell label {
margin-right: .5em;
white-space: nowrap;
}
#slt-svg,
#slt-font {
max-width: 230px;
}
.github {
fill: #151513;
color: #fff;
position: fixed;
top: 0;
right: 0;
z-index: 1024;
}
@keyframes octocat-wave {
0%, 100% { transform:rotate(0) }
20%, 60% { transform:rotate(-25deg) }
40%, 80% { transform:rotate(10deg) }
}
.github:hover .octo-arm {
animation: octocat-wave 560ms ease-in-out;
}
/* 自定义 Alpha 选择器样式 */
input[type="range" i] {
appearance: none;
max-width: 150px;
}
input[type="range" i]::-webkit-slider-thumb {
anchor-name: --picker-target;
appearance: none;
height: var(--slider-thumb-size);
width: var(--slider-thumb-size);
max-width: 80px;
position: relative;
z-index: 2048;
top: 50%;
transform: translateY(-50%);
border-radius: 50%;
border: 2px solid #fff;
box-shadow: 1px 2px 8px rgba(0, 0, 0, 0.6), inset 0px 1px 3px rgba(0, 0, 0, 0.3);
background: var(--picker-color, var(--slider-thumb-bg-color));
}
input[type="range" i]::-moz-range-thumb {
anchor-name: --picker-target;
appearance: none;
height: var(--slider-thumb-size);
width: var(--slider-thumb-size);
max-width: 80px;
position: relative;
z-index: 2048;
border-radius: 50%;
border: 2px solid #fff;
box-shadow: 1px 2px 8px rgba(0, 0, 0, 0.6), inset 0px 1px 3px rgba(0, 0, 0, 0.3);
background: var(--picker-color, var(--slider-thumb-bg-color));
}
input[type="range" i]:focus::-webkit-slider-thumb {
outline: solid 2px #000;
}
input[type="range" i]:focus::-moz-range-thumb {
outline: solid 2px #000;
}
input[type="range" i]::-webkit-slider-runnable-track {
appearance: none;
height: var(--slider-track-height);
border-radius: 999px;
border: 1px solid var(--input-border-color, #666);
box-shadow: inset 0px 1px 3px rgba(0, 0, 0, 0.3);
--chessboard-size: var(--slider-track-height);
background:
linear-gradient(to right, transparent, var(--picker-color, var(--slider-thumb-bg-color))),
repeating-conic-gradient(#808080 0% 25%, transparent 0% 50%)
50% / var(--chessboard-size) var(--chessboard-size);
}
input[type="range" i]::-moz-range-track {
appearance: none;
height: var(--slider-track-height);
border-radius: 999px;
border: 1px solid var(--input-border-color, #666);
box-shadow: inset 0px 1px 3px rgba(0, 0, 0, 0.3);
--chessboard-size: var(--slider-track-height);
background:
linear-gradient(to right, transparent, var(--picker-color, var(--slider-thumb-bg-color))),
repeating-conic-gradient(#808080 0% 25%, transparent 0% 50%)
50% / var(--chessboard-size) var(--chessboard-size);
}
</style>
<script>
const fontList = [
{
name: '阿里妈妈东方大楷-subset',
fontFile: 'https://at.alicdn.com/wf/webfont/P1EXxgPTCEW1/yUf7uwuYYptO.woff2',
},
{
name: '得意黑-subset',
fontFile: 'https://at.alicdn.com/wf/webfont/P1EXxgPTCEW1/5yLDIpd3W1r2.woff2',
},
{
name: 'Pacifico Regular',
fontFile: './fonts/Pacifico-Regular.woff2',
},
]
const svgList = [{
name: 'Hello resvg-js',
svgString: `<svg width="600" height="300" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<defs>
<linearGradient x1="0%" y1="45%" x2="100%" y2="55%" id="b">
<stop stop-color="#FF8253" offset="0%"/>
<stop stop-color="#DA1BC6" offset="100%"/>
</linearGradient>
<path id="a" d="M0 0h600v300H0z"/>
</defs>
<g fill="none" fill-rule="evenodd">
<use fill="url(#b)" xlink:href="#a"/>
<text x="50%" y="39%" font-size="58" fill="#FFF" dominant-baseline="middle" text-anchor="middle">Hello resvg-js</text>
<text x="50%" y="62%" font-size="38" fill="#FFF" dominant-baseline="middle" text-anchor="middle">高性能 SVG 渲染引擎和工具包</text>
</g>
</svg>`
},
{
name: 'GitHub Octocat',
svgString: `<svg xmlns="http://www.w3.org/2000/svg" width="430px" height="400px" viewBox="0 0 430 400" version="1.1">
<g xmlns="http://www.w3.org/2000/svg" transform="translate(26.000000, 34.000000)" fill-rule="nonzero">
<path d="M296.933,295.434202 C296.933,315.967202 249.373,332.610202 190.713,332.610202 C132.043,332.610202 84.483,315.967202 84.483,295.434202 C84.483,274.901202 132.041,258.254202 190.713,258.254202 C249.373,258.254202 296.933,274.904202 296.933,295.434202 Z" fill="#9CDAF1" />
<g transform="translate(129.984364, 283.418209)" fill="#7DBBE6">
<path d="M31.8586363,47.8059929 L31.8586363,21.3059929 C31.8586363,17.8839929 31.2396363,15.0219929 30.2056363,12.6049929 C37.0586363,17.9269929 37.5216363,31.2999929 37.5216363,31.2999929 L37.5216363,48.3039929 C43.6876363,48.7849929 50.0556363,49.0769929 56.5746363,49.1649929 L56.4026363,32.2449929 C55.4586363,9.11499286 35.6336363,6.28399286 35.6336363,6.28399286 C28.3886363,4.63899286 28.4966363,8.27499286 29.2246363,10.6239929 C22.1166363,-1.49800714 3.06663632,0.0679928633 3.06663632,0.0679928633 C-3.54436368,2.42499286 2.59163632,6.67499286 2.59163632,6.67499286 C12.9786363,10.4499929 13.9216363,21.7799929 13.9216363,21.7799929 L13.9216363,45.4019929 C19.6416363,46.3819929 25.6316363,47.1919929 31.8616363,47.8019929 L31.8586363,47.8059929 Z" />
<path d="M115.408636,0.0659928633 C115.408636,0.0659928633 96.3556363,-1.5 89.2486363,10.6249929 C89.9766363,8.27499286 90.0876363,4.63599286 82.8406363,6.28199286 C82.8406363,6.28199286 63.0166363,9.11399286 62.0726363,32.2429929 L61.8986363,49.1889929 C68.4076363,49.1639929 74.7746363,48.9349929 80.9526363,48.5179929 L80.9526363,31.2989929 C80.9526363,31.2989929 81.4176363,17.9259929 88.2686363,12.6039929 C87.2346363,15.0209929 86.6156363,17.8819929 86.6156363,21.3049929 L86.6156363,48.0799929 C92.8296363,47.5359929 98.8266363,46.8009929 104.552636,45.8919929 L104.552636,21.7789929 C104.552636,21.7789929 105.496636,10.4489929 115.882636,6.67399286 C115.882636,6.66399286 122.012636,2.41399286 115.402636,0.0539928633 L115.408636,0.0659928633 Z" />
</g>
<path d="M378.173,141.324202 L378.453,139.935202 C347.291,133.704202 315.312,133.641202 295.966,134.445202 C299.144,122.994202 300.1,109.818202 300.1,95.1252023 C300.1,74.0522023 292.183,57.1942023 279.33,44.3662023 C281.576,37.1162023 284.576,21.0152023 276.334,0.403202262 C276.334,0.403202262 261.793,-4.21379774 228.903,17.7992023 C216.019,14.5792023 202.307,12.9892023 188.575,12.9892023 C173.466,12.9892023 158.199,14.9132023 143.96,18.8192023 C110.02,-4.33479774 95.037,0.408202262 95.037,0.408202262 C85.257,24.8652023 91.304,42.9742023 93.141,47.4712023 C81.646,59.8772023 74.628,75.7142023 74.628,95.1302023 C74.628,109.788202 76.297,122.938202 80.373,134.367202 C60.862,133.657202 30.05,133.930202 0,139.939202 L0.276,141.328202 C30.507,135.282202 61.513,135.072202 80.905,135.806202 C81.803,138.172202 82.804,140.467202 83.926,142.685202 C64.749,143.303202 32.004,145.747202 0.623,154.600202 L1.01,155.960202 C32.639,147.042202 65.668,144.659202 84.659,144.078202 C96.117,165.436202 118.707,179.230202 158.895,183.562202 C153.191,187.395202 147.372,193.911202 145.014,204.936202 C137.241,208.654202 112.635,217.729202 97.872,192.337202 C97.872,192.337202 89.608,177.228202 73.79,176.045202 C73.79,176.045202 58.446,175.810202 72.731,185.607202 C72.731,185.607202 82.998,190.445202 90.082,208.626202 C90.082,208.626202 99.323,239.636202 143.917,229.687202 L143.917,261.719202 C143.917,261.719202 142.974,273.049202 132.587,276.824202 C132.587,276.824202 126.45,281.073202 133.062,283.430202 C133.062,283.430202 161.854,285.791202 161.854,262.192202 L161.854,227.263202 C161.854,227.263202 160.712,213.411202 167.517,208.596202 L167.517,265.967202 C167.517,265.967202 167.047,279.655202 159.966,284.848202 C159.966,284.848202 155.243,293.342202 165.629,290.985202 C165.629,290.985202 185.453,288.153202 186.398,265.024202 L186.847,206.964202 L191.612,206.964202 L192.065,265.024202 C193.008,288.153202 212.833,290.985202 212.833,290.985202 C223.216,293.342202 218.496,284.848202 218.496,284.848202 C211.416,279.655202 210.945,265.967202 210.945,265.967202 L210.945,209.091202 C217.746,214.387202 216.608,227.262202 216.608,227.262202 L216.608,262.191202 C216.608,285.791202 245.401,283.429202 245.401,283.429202 C252.007,281.072202 245.875,276.823202 245.875,276.823202 C235.489,273.048202 234.545,261.718202 234.545,261.718202 L234.545,215.932202 C234.545,198.078202 227.027,188.623202 219.675,183.632202 C262.534,179.382202 283.101,165.543202 292.578,144.041202 C311.351,144.557202 345.135,146.844202 377.451,155.960202 L377.835,154.600202 C345.704,145.537202 312.143,143.192202 293.18,142.640202 C294.078,140.468202 294.862,138.209202 295.558,135.885202 C314.808,135.085202 346.938,135.095202 378.218,141.345202 L378.173,141.324202 Z" fill="#000000" />
<path d="M258.183,94.1362023 C267.414,102.499202 272.814,112.598202 272.814,123.479202 C272.814,174.283202 234.942,175.660202 188.229,175.660202 C141.508,175.660202 103.64,168.625202 103.64,123.479202 C103.64,112.670202 108.964,102.634202 118.081,94.3052023 C133.289,80.4242023 159.027,87.7742023 188.228,87.7742023 C217.298,87.7702023 242.948,80.3452023 258.178,94.1312023 L258.183,94.1362023 Z" fill="#F4CBB2" />
<path d="M160.093,126.064202 C160.093,140.058202 152.213,151.400202 142.493,151.400202 C132.773,151.400202 124.893,140.058202 124.893,126.064202 C124.893,112.072202 132.773,100.734202 142.493,100.734202 C152.213,100.744202 160.093,112.074202 160.093,126.064202 L160.093,126.064202 Z M254.523,126.064202 C254.523,140.058202 246.643,151.400202 236.923,151.400202 C227.203,151.400202 219.323,140.058202 219.323,126.064202 C219.323,112.072202 227.203,100.734202 236.923,100.734202 C246.643,100.744202 254.523,112.074202 254.523,126.064202 L254.523,126.064202 Z" fill="#FFFFFF" />
<g transform="translate(130.986000, 109.490202)" fill="#AD5C51">
<path d="M23.467,16.894 C23.467,26.222 18.207,33.781 11.733,33.781 C5.259,33.781 0,26.222 0,16.894 C0,7.563 5.255,1.42108547e-14 11.733,1.42108547e-14 C18.203,1.42108547e-14 23.463,7.56 23.463,16.89 L23.467,16.894 Z M117.887,16.894 C117.887,26.222 112.627,33.781 106.153,33.781 C99.679,33.781 94.42,26.222 94.42,16.894 C94.42,7.563 99.675,1.42108547e-14 106.153,1.42108547e-14 C112.623,1.42108547e-14 117.883,7.56 117.883,16.89 L117.887,16.894 Z" />
<circle cx="57.507" cy="39.074" r="4.401" />
<path d="M47.237,50.204 C46.977,49.466 47.365,48.659 48.098,48.399 C48.835,48.139 49.644,48.527 49.903,49.26 C51.037,52.458 54.07,54.606 57.454,54.606 C60.838,54.606 63.871,52.459 65.005,49.26 C65.265,48.522 66.072,48.139 66.81,48.399 C67.548,48.659 67.931,49.466 67.672,50.204 C66.143,54.528 62.033,57.433 57.454,57.433 C52.875,57.433 48.774,54.543 47.244,50.213 L47.237,50.204 Z" />
</g>
<path d="M80.634,179.824202 C80.634,180.998202 79.258,181.946202 77.564,181.946202 C75.871,181.946202 74.494,180.998202 74.494,179.824202 C74.494,178.649202 75.871,177.697202 77.564,177.697202 C79.258,177.697202 80.634,178.647202 80.634,179.827202 L80.634,179.824202 Z M89.134,184.544202 C89.134,185.718202 87.758,186.666202 86.064,186.666202 C84.371,186.666202 82.994,185.718202 82.994,184.544202 C82.994,183.369202 84.371,182.417202 86.064,182.417202 C87.758,182.417202 89.134,183.367202 89.134,184.547202 L89.134,184.544202 Z M94.327,190.684202 C94.327,191.858202 92.951,192.806202 91.257,192.806202 C89.564,192.806202 88.187,191.858202 88.187,190.684202 C88.187,189.509202 89.564,188.557202 91.257,188.557202 C92.951,188.557202 94.327,189.507202 94.327,190.687202 L94.327,190.684202 Z M99.047,197.764202 C99.047,198.938202 97.671,199.886202 95.977,199.886202 C94.284,199.886202 92.907,198.938202 92.907,197.764202 C92.907,196.589202 94.284,195.637202 95.977,195.637202 C97.671,195.637202 99.047,196.587202 99.047,197.767202 L99.047,197.764202 Z M104.235,204.374202 C104.235,205.548202 102.859,206.496202 101.165,206.496202 C99.472,206.496202 98.095,205.548202 98.095,204.374202 C98.095,203.199202 99.472,202.247202 101.165,202.247202 C102.859,202.247202 104.235,203.197202 104.235,204.377202 L104.235,204.374202 Z M111.325,210.034202 C111.325,211.208202 109.949,212.156202 108.255,212.156202 C106.562,212.156202 105.185,211.208202 105.185,210.034202 C105.185,208.859202 106.562,207.907202 108.255,207.907202 C109.949,207.907202 111.325,208.857202 111.325,210.037202 L111.325,210.034202 Z M121.235,213.814202 C121.235,214.988202 119.859,215.936202 118.165,215.936202 C116.472,215.936202 115.095,214.988202 115.095,213.814202 C115.095,212.639202 116.472,211.687202 118.165,211.687202 C119.859,211.687202 121.235,212.637202 121.235,213.817202 L121.235,213.814202 Z M131.105,213.814202 C131.105,214.988202 129.729,215.936202 128.035,215.936202 C126.342,215.936202 124.965,214.988202 124.965,213.814202 C124.965,212.639202 126.342,211.687202 128.035,211.687202 C129.729,211.687202 131.105,212.637202 131.105,213.817202 L131.105,213.814202 Z M141.115,212.174202 C141.115,213.348202 139.739,214.296202 138.045,214.296202 C136.352,214.296202 134.975,213.348202 134.975,212.174202 C134.975,210.999202 136.352,210.047202 138.045,210.047202 C139.739,210.047202 141.115,210.997202 141.115,212.177202 L141.115,212.174202 Z" fill="#C3E4D8" />
<path d="M69.362,186.124202 L66.296,196.807202 C66.296,196.807202 65.496,200.668202 69.136,201.353202 C72.936,201.279202 72.622,197.726202 72.359,196.572202 L69.362,186.124202 Z" fill="#9CDAF1" />
</g>
</svg>
`
}]
const defaultSvgNumber = 0
const defaultFontNumber = 0
const INIT_INPUT_SVG_STRING = svgList[defaultSvgNumber].svgString
let fetchFontLock = false
let fontFile = fontList[0].fontFile
let SVG_STRING = ''
async function getFontBuffer() {
if (fetchFontLock) return
fetchFontLock = true
const controller = new AbortController()
const signal = controller.signal
setTimeout(() => controller.abort(), 3000) // Cancel the fetch request
try {
const t = performance.now()
const font = await fetch(fontFile)
if (!font.ok) return
const data = await font.arrayBuffer()
const buffer = new Uint8Array(data)
fetchFontLock = false
console.info('✨ 字体请求用时:', performance.now() - t + 'ms')
return {
buffer,
family_name: 'Source Han Serif CN Light',
}
} catch (error) {
return console.error('fetch font error', error)
}
}
(async function () {
await resvg.initWasm(fetch('./index_bg.wasm'))
initSelectOptions('slt-svg', svgList, defaultSvgNumber)
initSelectOptions('slt-font', fontList, defaultFontNumber)
const output = document.getElementById('output')
const svgInputElement = document.querySelector('#input-svg') // 在 textarea 中输入 SVG 字符串
svgInputElement.value = INIT_INPUT_SVG_STRING
// INIT_INPUT_SVG_STRING to DOM
const inputSvgElement = new DOMParser().parseFromString(INIT_INPUT_SVG_STRING, 'image/svg+xml').documentElement
let resvgOpts = {
font: {},
fitTo: {
mode: 'zoom',
value: 2,
},
}
if (checkHasText()) {
const { buffer, family_name } = await getFontBuffer()
resvgOpts.font.fontBuffers = [buffer]
fontList[0].buffer = buffer
}
await svg2png(INIT_INPUT_SVG_STRING, resvgOpts)
async function svg2png(svgString, opts, hasCrop) {
const svg = svgString ? svgString : svgInputElement.value.trim()
if (!svg) {
alert('SVG is empty')
return
}
const resvgJS = new resvg.Resvg(svg, opts)
document.querySelector('#svg-info').textContent = 'Original SVG size: ' + resvgJS.width + ' x ' + resvgJS.height + ' px'
const resolved = await Promise.all(
resvgJS.imagesToResolve().map(async (url) => {
const img = await fetch(url)
const buffer = await img.arrayBuffer()
return {
url,
buffer: new Uint8Array(buffer),
}
}),
)
if (resolved.length > 0) {
for (const result of resolved) {
const { url, buffer } = result
resvgJS.resolveImage(url, buffer)
}
}
const innerBBox = resvgJS.innerBBox()
const bbox = resvgJS.getBBox()
if (hasCrop && bbox) resvgJS.cropByBBox(bbox)
const pngData = resvgJS.render()
const pngBuffer = pngData.asPng()
document.querySelector('#output img').src = URL.createObjectURL(
new Blob([pngBuffer], { type: 'image/png' })
)
// console.log('Simplified svg string: \n', resvgJS.toString())
document.querySelector('#png-info').textContent = 'PNG size: ' + pngData.width + ' x ' + pngData.height + ' px'
}
addMultipleEventListener(svgInputElement, ['change', 'keyup', 'paste'], async function (event) {
SVG_STRING = event.target.value.trim()
const hasCrop = cropElement.checked
if (!SVG_STRING) return
// 通过 svgString 更新 inputSvgElement
const inputSvgElement = new DOMParser().parseFromString(SVG_STRING, 'image/svg+xml').documentElement
const errorNode = inputSvgElement.querySelector('parsererror')
if (errorNode) {
const errorText = errorNode.querySelector('div').textContent
console.error('Invalid SVG string: \n' + errorText)
return
}
await checkGetFontBuffer()
svg2png(SVG_STRING, resvgOpts, hasCrop)
})
function addMultipleEventListener(element, events, handler) {
events.forEach(e => element.addEventListener(e, handler))
}
const colorPickerElement = document.querySelector('#color-picker')
const colorPickerAlphaElement = document.querySelector('#color-picker-alpha')
const svgSizeElement = document.querySelector('#svg-size')
const cropElement = document.querySelector('#crop-by-bbox')
const svgSelectElement = document.querySelector('#slt-svg')
const fontSelectElement = document.querySelector('#slt-font')
svgSelectElement.addEventListener('change', function (event) {
const value = event.target.value
if (!value) return
for (const svg of svgList) {
if (svg.name == value) {
svgInputElement.value = SVG_STRING = svg.svgString
const event = new Event('change')
svgInputElement.dispatchEvent(event)
}
}
})
fontSelectElement.addEventListener('change', async function (event) {
const value = event.target.value
if (!value) return
for (const font of fontList) {
if (font.name == value) {
fontFile = font.fontFile
if (!font.buffer) {
const { buffer } = await getFontBuffer()
font.buffer = buffer
}
resvgOpts = {
font: {
fontBuffers: [font.buffer],
},
fitTo: {
mode: 'zoom',
value: 2,
},
}
await svg2png(SVG_STRING, resvgOpts)
}
}
})
function onChangeColor() {
const hasCrop = cropElement.checked
const style = window.getComputedStyle(document.querySelector('html'), ':before')
const color = style.getPropertyValue('color')
const rgb_color = convertColorToRGBA(color)
console.info('getComputedStyle color\n', color)
console.info('convert to rgba()\n', rgb_color)
resvgOpts.background = rgb_color
svg2png(null, resvgOpts, hasCrop)
}
colorPickerElement.addEventListener('input', function (event) {
const value = event.target.value
if (!value) return
document.documentElement.style.setProperty('--picker-color', value)
onChangeColor()
})
colorPickerAlphaElement.addEventListener('click', function (event) {
colorPickerElement.showPicker()
})
colorPickerAlphaElement.addEventListener('input', function (event) {
const value = event.target.value
if (!value) return
const color_picker_value = getComputedStyle(document.documentElement).getPropertyValue('--picker-color')
if (!color_picker_value) {
document.documentElement.style.setProperty('--picker-color', '#FF8253')
}
// 如果使用 Relative color，这里直接使用 value + %
document.documentElement.style.setProperty('--picker-alpha', 100 - value + '%')
onChangeColor()
})
svgSizeElement.addEventListener('change', function (event) {
const value = event.target.value
const hasCrop = cropElement.checked
if (!value) {
Object.assign(resvgOpts, {
fitTo: {
mode: 'original',
}
})
} else {
const limitWidth = 3000
const title = `The width(${limitWidth}) is larger and generating images will be slower.\nAre you sure to continue?`
if (value >= limitWidth && !confirm(title)) {
return
}
Object.assign(resvgOpts, {
fitTo: {
mode: 'width',
value: parseInt(value, 10),
}
})
}
svg2png(null, resvgOpts, hasCrop)
})
cropElement.addEventListener('change', function (event) {
const hasCrop = event.target.checked
svg2png(null, resvgOpts, hasCrop)
})
async function checkGetFontBuffer() {
if (checkHasText() && !checkHasBuffer().checkResult) {
const font = await getFontBuffer()
if (!font?.buffer) {
return
}
const fontIndex = checkHasBuffer().index
const { buffer } = font
resvgOpts.font.fontBuffers = [buffer]
fontList[fontIndex].buffer = buffer
// console.log("fontIndex:" + fontIndex + " buffer：" + resvgOpts.font.fontBuffers[0].length)
}
}
})()
function initSelectOptions(sltId, dataList, defaultVal) {
const selectElement = document.querySelector('#' + sltId)
let optionText = ''
for (const [i, item] of dataList.entries()) {
const optionElement = document.createElement('option')
optionElement.value = item.name
optionElement.innerText = item.name
if (i === defaultVal) {
optionElement.setAttribute('selected', true)
}
selectElement.appendChild(optionElement)
}
}
function checkHasText() {
const svgString = document.querySelector('#input-svg').value.trim()
const inputSvgElement = new DOMParser().parseFromString(svgString, 'image/svg+xml').documentElement
const allTextElement = inputSvgElement.querySelectorAll('text')
return allTextElement.length > 0
}
function checkHasBuffer() {
const fontName = document.querySelector('#slt-font').value
let currentFontIndex = -1
for (const [i, font] of fontList.entries()) {
if (font.name === fontName) {
currentFontIndex = i
if (font.buffer) {
return { checkResult: true, index: i }
}
}
}
return { checkResult: false, index: currentFontIndex }
}
// 将 color() 转换为 rgba()
function convertColorToRGBA(color) {
if (!color || typeof color !== 'string') return color
const match = color.match(/color\(srgb\s+([\d.]+)\s+([\d.]+)\s+([\d.]+)(?:\s*\/\s*([\d.]+%?))?\)/)
if (match) {
const r = Math.round(match[1] * 255)
const g = Math.round(match[2] * 255)
const b = Math.round(match[3] * 255)
let alpha = match[4]
// 如果 alpha 是百分比形式，转换为 0 到 1 之间的小数
if (!alpha) {
alpha = 1
} else if (alpha.includes('%')) {
alpha = parseFloat(alpha) / 100
} else {
alpha = parseFloat(alpha)
}
return `rgba(${r}, ${g}, ${b}, ${alpha})`
}
return color
}
</script>
</head>
<body>
<main>
<header>
<h1 class="site-title">resvg-js playground</h1>
<a href="https://github.com/yisibl/resvg-js" title="View source on GitHub">
<svg width="80" height="80" viewBox="0 0 250 250" class="github">
<path d="M0,0 L115,115 L130,115 L142,142 L250,250 L250,0 Z"></path>
<path
d="M128.3,109.0 C113.8,99.7 119.0,89.6 119.0,89.6 C122.0,82.7 120.5,78.6 120.5,78.6 C119.2,72.0 123.4,76.3 123.4,76.3 C127.3,80.9 125.5,87.3 125.5,87.3 C122.9,97.6 130.6,101.9 134.4,103.2"
fill="currentColor" style="transform-origin: 130px 106px;" class="octo-arm"></path>
<path
d="M115.0,115.0 C114.9,115.1 118.7,116.5 119.8,115.4 L133.7,101.6 C136.9,99.2 139.9,98.4 142.2,98.6 C133.8,88.0 127.5,74.4 143.8,58.0 C148.5,53.4 154.0,51.2 159.7,51.0 C160.3,49.4 163.2,43.6 171.4,40.1 C171.4,40.1 176.1,42.5 178.8,56.2 C183.1,58.6 187.2,61.8 190.9,65.4 C194.5,69.0 197.7,73.2 200.1,77.6 C213.8,80.2 216.3,84.9 216.3,84.9 C212.7,93.1 206.9,96.0 205.4,96.6 C205.1,102.4 203.0,107.8 198.3,112.5 C181.9,128.9 168.3,122.5 157.7,114.1 C157.9,116.9 156.7,120.9 152.7,124.9 L141.0,136.5 C139.8,137.7 141.6,141.9 141.8,141.8 Z"
fill="currentColor" class="octo-body">
</path>
</svg>
</a>
</header>
<div class="opts">
<div class="opts-cell">
<label for="slt-svg">Select SVG:</label>
<select name="svg" id="slt-svg"></select>
</div>
<div class="opts-cell">
<label for="slt-font">Select Font:</label>
<select name="svg" id="slt-font">
</select>
</div>
<div class="opts-cell">
<label for="color-picker">Background:</label>
<div class="color-picker-box">
<input type="color" name="color-picker" value="#FF8253" id="color-picker">
<input type="range" id="color-picker-alpha" min="0" max="100" value="100">
</div>
</div>
<div class="opts-cell">
<label for="svg-size">Width:</label>
<input type="number" name="svg-size" id="svg-size" style="max-width: 6em;">
</div>
<div class="opts-cell">
<label for="crop-by-bbox">Crop by BBox:</label>
<input type="checkbox" name="crop-by-bbox" id="crop-by-bbox">
</div>
</div>
<div class="box">
<div class="cell">
<div class="header-info">
<div class="info" id="svg-info"></div>
</div>
<textarea name="input-svg" id="input-svg" placeholder="Enter the svg string" cols="30" rows="10"></textarea>
</div>
<div class="cell" id="output">
<div class="header-info">
<div class="info" id="png-info"></div>
</div>
<div class="body">
<img>
</div>
</div>
</div>
</main>
</body>
</html>