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GUACAMOLE-377: Use ImageDecoder to decode images while they are being received (if possible).

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This commit is contained in:
Michael Jumper
2025-01-29 09:58:01 -08:00
parent 1454a5deae
commit 1a57d41a1b
3 changed files with 116 additions and 16 deletions
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26
guacamole-common-js/src/main/webapp/modules/ArrayBufferReader.js
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@@ -39,13 +39,27 @@ Guacamole.ArrayBufferReader = function(stream) {
// Receive blobs as array buffers
stream.onblob = function(data) {
// Convert to ArrayBuffer
var binary = window.atob(data);
var arrayBuffer = new ArrayBuffer(binary.length);
var bufferView = new Uint8Array(arrayBuffer);
var arrayBuffer, bufferView;
for (var i=0; i<binary.length; i++)
bufferView[i] = binary.charCodeAt(i);
// Use native methods for directly decoding base64 to an array buffer
// when possible
if (Uint8Array.fromBase64) {
bufferView = Uint8Array.fromBase64(data);
arrayBuffer = bufferView.buffer;
}
// Rely on binary strings and manual conversions where native methods
// like fromBase64() are not available
else {
var binary = window.atob(data);
arrayBuffer = new ArrayBuffer(binary.length);
bufferView = new Uint8Array(arrayBuffer);
for (var i=0; i<binary.length; i++)
bufferView[i] = binary.charCodeAt(i);
}
// Call handler, if present
if (guac_reader.ondata)