From 4ed4386b5e9acf6572e7aba1a285da631e47675c Mon Sep 17 00:00:00 2001
From: Damyan Mitev <damyan.mitev@vereign.com>
Date: Fri, 3 Apr 2020 19:10:39 +0300
Subject: [PATCH] Add new constructor to ImageData
---
javascript/src/utilities/signingUtilities.js | 19 ++++++++++++++++++-
1 file changed, 18 insertions(+), 1 deletion(-)
diff --git a/javascript/src/utilities/signingUtilities.js b/javascript/src/utilities/signingUtilities.js
index ec25529..20f64f0 100644
--- a/javascript/src/utilities/signingUtilities.js
+++ b/javascript/src/utilities/signingUtilities.js
@@ -1495,6 +1495,9 @@ export class ImageData {
this.content = null; // Uint8Array: decoded content
this.contentBase64 = null; // string: base64 encoded content
+ if (typeof parameters === "string" || parameters instanceof String) {
+ this.fromDataURL(parameters);
+ } else
if (typeof parameters === "object") {
this.fromParameters(parameters);
}
@@ -1517,13 +1520,24 @@ export class ImageData {
this.getContentBase64();
}
- //fromDataURL()
+ fromDataURL(dataURL) {
+ if (dataURL.startsWith("data:")) {
+ const idx = dataURL.indexOf(";base64,");
+ if (idx > 0) {
+ this.contentType = dataURL.substring(5, idx); // 5 = len("data:")
+ this.contentBase64 = dataURL.substring(idx + 8); // 8 = len(";base64,")
+ }
+ }
+ }
//fromContentTypeAndContentAsByteArray()
toDataURL() {
return "data:" + this.contentType + ";base64," + this.getContentBase64();
}
+ /**
+ * @returns {ByteArray}
+ */
getContent() {
if (!this.content) {
if (this.contentBase64) {
@@ -1533,6 +1547,9 @@ export class ImageData {
return this.content;
}
+ /**
+ * @returns {String}
+ */
getContentBase64() {
if (!this.contentBase64) {
if (this.content) {
--
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