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Updated to noVNC 1.3.0, #2603

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Ylian Saint-Hilaire 2021-11-29 12:08:15 -08:00
parent a2ce9b8573
commit 112ebde4f2
75 changed files with 3712 additions and 60022 deletions
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82
public/novnc/core/decoders/hextile.js
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@ -1,8 +1,6 @@
/*
* noVNC: HTML5 VNC client
* Copyright (C) 2012 Joel Martin
* Copyright (C) 2018 Samuel Mannehed for Cendio AB
* Copyright (C) 2018 Pierre Ossman for Cendio AB
* Copyright (C) 2019 The noVNC Authors
* Licensed under MPL 2.0 (see LICENSE.txt)
*
* See README.md for usage and integration instructions.
@ -15,14 +13,15 @@ export default class HextileDecoder {
constructor() {
this._tiles = 0;
this._lastsubencoding = 0;
this._tileBuffer = new Uint8Array(16 * 16 * 4);
}
decodeRect(x, y, width, height, sock, display, depth) {
if (this._tiles === 0) {
this._tiles_x = Math.ceil(width / 16);
this._tiles_y = Math.ceil(height / 16);
this._total_tiles = this._tiles_x * this._tiles_y;
this._tiles = this._total_tiles;
this._tilesX = Math.ceil(width / 16);
this._tilesY = Math.ceil(height / 16);
this._totalTiles = this._tilesX * this._tilesY;
this._tiles = this._totalTiles;
}
while (this._tiles > 0) {
@ -41,11 +40,11 @@ export default class HextileDecoder {
subencoding + ")");
}
const curr_tile = this._total_tiles - this._tiles;
const tile_x = curr_tile % this._tiles_x;
const tile_y = Math.floor(curr_tile / this._tiles_x);
const tx = x + tile_x * 16;
const ty = y + tile_y * 16;
const currTile = this._totalTiles - this._tiles;
const tileX = currTile % this._tilesX;
const tileY = Math.floor(currTile / this._tilesX);
const tx = x + tileX * 16;
const ty = y + tileY * 16;
const tw = Math.min(16, (x + width) - tx);
const th = Math.min(16, (y + height) - ty);
@ -89,6 +88,11 @@ export default class HextileDecoder {
display.fillRect(tx, ty, tw, th, this._background);
}
} else if (subencoding & 0x01) { // Raw
let pixels = tw * th;
// Max sure the image is fully opaque
for (let i = 0;i < pixels;i++) {
rQ[rQi + i * 4 + 3] = 255;
}
display.blitImage(tx, ty, tw, th, rQ, rQi);
rQi += bytes - 1;
} else {
@ -101,7 +105,7 @@ export default class HextileDecoder {
rQi += 4;
}
display.startTile(tx, ty, tw, th, this._background);
this._startTile(tx, ty, tw, th, this._background);
if (subencoding & 0x08) { // AnySubrects
let subrects = rQ[rQi];
rQi++;
@ -124,10 +128,10 @@ export default class HextileDecoder {
const sw = (wh >> 4) + 1;
const sh = (wh & 0x0f) + 1;
display.subTile(sx, sy, sw, sh, color);
this._subTile(sx, sy, sw, sh, color);
}
}
display.finishTile();
this._finishTile(display);
}
sock.rQi = rQi;
this._lastsubencoding = subencoding;
@ -136,4 +140,52 @@ export default class HextileDecoder {
return true;
}
// start updating a tile
_startTile(x, y, width, height, color) {
this._tileX = x;
this._tileY = y;
this._tileW = width;
this._tileH = height;
const red = color[0];
const green = color[1];
const blue = color[2];
const data = this._tileBuffer;
for (let i = 0; i < width * height * 4; i += 4) {
data[i] = red;
data[i + 1] = green;
data[i + 2] = blue;
data[i + 3] = 255;
}
}
// update sub-rectangle of the current tile
_subTile(x, y, w, h, color) {
const red = color[0];
const green = color[1];
const blue = color[2];
const xend = x + w;
const yend = y + h;
const data = this._tileBuffer;
const width = this._tileW;
for (let j = y; j < yend; j++) {
for (let i = x; i < xend; i++) {
const p = (i + (j * width)) * 4;
data[p] = red;
data[p + 1] = green;
data[p + 2] = blue;
data[p + 3] = 255;
}
}
}
// draw the current tile to the screen
_finishTile(display) {
display.blitImage(this._tileX, this._tileY,
this._tileW, this._tileH,
this._tileBuffer, 0);
}
}