diff options
Diffstat (limited to 'webclients/novnc/vendor/pako/lib/utils/common.js')
-rw-r--r-- | webclients/novnc/vendor/pako/lib/utils/common.js | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/webclients/novnc/vendor/pako/lib/utils/common.js b/webclients/novnc/vendor/pako/lib/utils/common.js new file mode 100644 index 0000000..576fd59 --- /dev/null +++ b/webclients/novnc/vendor/pako/lib/utils/common.js @@ -0,0 +1,45 @@ +// reduce buffer size, avoiding mem copy +export function shrinkBuf (buf, size) { + if (buf.length === size) { return buf; } + if (buf.subarray) { return buf.subarray(0, size); } + buf.length = size; + return buf; +}; + + +export function arraySet (dest, src, src_offs, len, dest_offs) { + if (src.subarray && dest.subarray) { + dest.set(src.subarray(src_offs, src_offs + len), dest_offs); + return; + } + // Fallback to ordinary array + for (var i = 0; i < len; i++) { + dest[dest_offs + i] = src[src_offs + i]; + } +} + +// Join array of chunks to single array. +export function flattenChunks (chunks) { + var i, l, len, pos, chunk, result; + + // calculate data length + len = 0; + for (i = 0, l = chunks.length; i < l; i++) { + len += chunks[i].length; + } + + // join chunks + result = new Uint8Array(len); + pos = 0; + for (i = 0, l = chunks.length; i < l; i++) { + chunk = chunks[i]; + result.set(chunk, pos); + pos += chunk.length; + } + + return result; +} + +export var Buf8 = Uint8Array; +export var Buf16 = Uint16Array; +export var Buf32 = Int32Array; |