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Code Issues Releases Wiki Activity

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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9
public/novnc/core/decoders/copyrect.js
View file

@ -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.
@ -17,6 +15,11 @@ export default class CopyRectDecoder {
let deltaX = sock.rQshift16();
let deltaY = sock.rQshift16();
if ((width === 0) || (height === 0)) {
return true;
}
display.copyImage(deltaX, deltaY, x, y, width, height);
return true;

82
public/novnc/core/decoders/hextile.js
View file

@ -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);
}
}

30
public/novnc/core/decoders/raw.js
View file

@ -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.
@ -15,6 +13,10 @@ export default class RawDecoder {
}
decodeRect(x, y, width, height, sock, display, depth) {
if ((width === 0) || (height === 0)) {
return true;
}
if (this._lines === 0) {
this._lines = height;
}
@ -26,29 +28,35 @@ export default class RawDecoder {
return false;
}
const cur_y = y + (height - this._lines);
const curr_height = Math.min(this._lines,
Math.floor(sock.rQlen / bytesPerLine));
const curY = y + (height - this._lines);
const currHeight = Math.min(this._lines,
Math.floor(sock.rQlen / bytesPerLine));
const pixels = width * currHeight;
let data = sock.rQ;
let index = sock.rQi;
// Convert data if needed
if (depth == 8) {
const pixels = width * curr_height;
const newdata = new Uint8Array(pixels * 4);
for (let i = 0; i < pixels; i++) {
newdata[i * 4 + 0] = ((data[index + i] >> 0) & 0x3) * 255 / 3;
newdata[i * 4 + 1] = ((data[index + i] >> 2) & 0x3) * 255 / 3;
newdata[i * 4 + 2] = ((data[index + i] >> 4) & 0x3) * 255 / 3;
newdata[i * 4 + 4] = 0;
newdata[i * 4 + 3] = 255;
}
data = newdata;
index = 0;
}
display.blitImage(x, cur_y, width, curr_height, data, index);
sock.rQskipBytes(curr_height * bytesPerLine);
this._lines -= curr_height;
// Max sure the image is fully opaque
for (let i = 0; i < pixels; i++) {
data[i * 4 + 3] = 255;
}
display.blitImage(x, curY, width, currHeight, data, index);
sock.rQskipBytes(currHeight * bytesPerLine);
this._lines -= currHeight;
if (this._lines > 0) {
return false;
}

4
public/novnc/core/decoders/rre.js
View file

@ -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.

52
public/novnc/core/decoders/tight.js
View file

@ -1,9 +1,7 @@
/*
* noVNC: HTML5 VNC client
* Copyright (C) 2012 Joel Martin
* Copyright (C) 2019 The noVNC Authors
* (c) 2012 Michael Tinglof, Joe Balaz, Les Piech (Mercuri.ca)
* Copyright (C) 2018 Samuel Mannehed for Cendio AB
* Copyright (C) 2018 Pierre Ossman for Cendio AB
* Licensed under MPL 2.0 (see LICENSE.txt)
*
* See README.md for usage and integration instructions.
@ -58,7 +56,7 @@ export default class TightDecoder {
} else if (this._ctl === 0x0A) {
ret = this._pngRect(x, y, width, height,
sock, display, depth);
} else if ((this._ctl & 0x80) == 0) {
} else if ((this._ctl & 0x08) == 0) {
ret = this._basicRect(this._ctl, x, y, width, height,
sock, display, depth);
} else {
@ -82,7 +80,7 @@ export default class TightDecoder {
const rQ = sock.rQ;
display.fillRect(x, y, width, height,
[rQ[rQi + 2], rQ[rQi + 1], rQ[rQi]], false);
[rQ[rQi], rQ[rQi + 1], rQ[rQi + 2]], false);
sock.rQskipBytes(3);
return true;
@ -94,7 +92,7 @@ export default class TightDecoder {
return false;
}
display.imageRect(x, y, "image/jpeg", data);
display.imageRect(x, y, width, height, "image/jpeg", data);
return true;
}
@ -150,6 +148,10 @@ export default class TightDecoder {
const uncompressedSize = width * height * 3;
let data;
if (uncompressedSize === 0) {
return true;
}
if (uncompressedSize < 12) {
if (sock.rQwait("TIGHT", uncompressedSize)) {
return false;
@ -162,13 +164,20 @@ export default class TightDecoder {
return false;
}
data = this._zlibs[streamId].inflate(data, true, uncompressedSize);
if (data.length != uncompressedSize) {
throw new Error("Incomplete zlib block");
}
this._zlibs[streamId].setInput(data);
data = this._zlibs[streamId].inflate(uncompressedSize);
this._zlibs[streamId].setInput(null);
}
display.blitRgbImage(x, y, width, height, data, 0, false);
let rgbx = new Uint8Array(width * height * 4);
for (let i = 0, j = 0; i < width * height * 4; i += 4, j += 3) {
rgbx[i] = data[j];
rgbx[i + 1] = data[j + 1];
rgbx[i + 2] = data[j + 2];
rgbx[i + 3] = 255; // Alpha
}
display.blitImage(x, y, width, height, rgbx, 0, false);
return true;
}
@ -198,6 +207,10 @@ export default class TightDecoder {
let data;
if (uncompressedSize === 0) {
return true;
}
if (uncompressedSize < 12) {
if (sock.rQwait("TIGHT", uncompressedSize)) {
return false;
@ -210,10 +223,9 @@ export default class TightDecoder {
return false;
}
data = this._zlibs[streamId].inflate(data, true, uncompressedSize);
if (data.length != uncompressedSize) {
throw new Error("Incomplete zlib block");
}
this._zlibs[streamId].setInput(data);
data = this._zlibs[streamId].inflate(uncompressedSize);
this._zlibs[streamId].setInput(null);
}
// Convert indexed (palette based) image data to RGB
@ -241,7 +253,7 @@ export default class TightDecoder {
for (let b = 7; b >= 0; b--) {
dp = (y * width + x * 8 + 7 - b) * 4;
sp = (data[y * w + x] >> b & 1) * 3;
dest[dp] = palette[sp];
dest[dp] = palette[sp];
dest[dp + 1] = palette[sp + 1];
dest[dp + 2] = palette[sp + 2];
dest[dp + 3] = 255;
@ -251,14 +263,14 @@ export default class TightDecoder {
for (let b = 7; b >= 8 - width % 8; b--) {
dp = (y * width + x * 8 + 7 - b) * 4;
sp = (data[y * w + x] >> b & 1) * 3;
dest[dp] = palette[sp];
dest[dp] = palette[sp];
dest[dp + 1] = palette[sp + 1];
dest[dp + 2] = palette[sp + 2];
dest[dp + 3] = 255;
}
}
display.blitRgbxImage(x, y, width, height, dest, 0, false);
display.blitImage(x, y, width, height, dest, 0, false);
}
_paletteRect(x, y, width, height, data, palette, display) {
@ -267,13 +279,13 @@ export default class TightDecoder {
const total = width * height * 4;
for (let i = 0, j = 0; i < total; i += 4, j++) {
const sp = data[j] * 3;
dest[i] = palette[sp];
dest[i] = palette[sp];
dest[i + 1] = palette[sp + 1];
dest[i + 2] = palette[sp + 2];
dest[i + 3] = 255;
}
display.blitRgbxImage(x, y, width, height, dest, 0, false);
display.blitImage(x, y, width, height, dest, 0, false);
}
_gradientFilter(streamId, x, y, width, height, sock, display, depth) {

6
public/novnc/core/decoders/tightpng.js
View file

@ -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.
@ -18,7 +16,7 @@ export default class TightPNGDecoder extends TightDecoder {
return false;
}
display.imageRect(x, y, "image/png", data);
display.imageRect(x, y, width, height, "image/png", data);
return true;
}