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noVNC
Commit c4164bda authored by Joel Martin's avatar Joel Martin
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JSLint and "use strict".

parent 753bde8f
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Showing with 345 additions and 247 deletions
canvas.js
View file @ c4164bda
Canvas = {
/*
* noVNC: HTML5 VNC client
*
* Licensed under AGPL-3 (see LICENSE.AGPL-3)
*
* See README.md for usage and integration instructions.
*/
"use strict";
/*global window, $, Browser */
// Everything namespaced inside Canvas
var Canvas = {
c_x : 0,
c_y : 0,
......@@ -40,26 +52,29 @@ keyUp : function (e) {
},
ctxDisable: function (e) {
evt = e.event || window.event;
var evt = e.event || window.event;
/* Stop propagation if inside canvas area */
if ((evt.clientX >= Canvas.c_x) && (evt.clientX < (Canvas.c_x + Canvas.c_wx)) &&
(evt.clientY >= Canvas.c_y) && (evt.clientY < (Canvas.c_y + Canvas.c_wy))) {
if ((evt.clientX >= Canvas.c_x) &&
(evt.clientY >= Canvas.c_y) &&
(evt.clientX < (Canvas.c_x + Canvas.c_wx)) &&
(evt.clientY < (Canvas.c_y + Canvas.c_wy))) {
e.stop();
return false;
};
}
},
init: function (id, width, height, keyDown, keyUp, mouseDown, mouseUp, mouseMove) {
init: function (id, width, height, keyDown, keyUp,
mouseDown, mouseUp, mouseMove) {
console.log(">> Canvas.init");
Canvas.id = id;
if (! keyDown) keyDown = Canvas.keyDown;
if (! keyUp) keyUp = Canvas.keyUp;
if (! mouseDown) mouseDown = Canvas.mouseDown;
if (! mouseUp) mouseUp = Canvas.mouseUp;
if (! mouseMove) mouseMove = Canvas.mouseMove;
if (! keyDown) { keyDown = Canvas.keyDown; }
if (! keyUp) { keyUp = Canvas.keyUp; }
if (! mouseDown) { mouseDown = Canvas.mouseDown; }
if (! mouseUp) { mouseUp = Canvas.mouseUp; }
if (! mouseMove) { mouseMove = Canvas.mouseMove; }
var c = $(Canvas.id);
document.addEvent('keydown', keyDown);
......@@ -79,7 +94,7 @@ init: function (id, width, height, keyDown, keyUp, mouseDown, mouseUp, mouseMove
Canvas.c_wx = c.getSize().x;
Canvas.c_wy = c.getSize().y;
if (! c.getContext) return;
if (! c.getContext) { return; }
Canvas.ctx = c.getContext('2d');
Canvas.prevStyle = "";
......@@ -108,6 +123,7 @@ stop: function () {
},
draw: function () {
var img, x, y;
/* Border */
Canvas.ctx.stroke();
Canvas.ctx.rect(0, 0, Canvas.c_wx, Canvas.c_wy);
......@@ -121,13 +137,13 @@ draw: function () {
*/
/* Test array image data */
//var img = Canvas.ctx.createImageData(50, 50);
var img = Canvas.ctx.getImageData(0, 0, 50, 50);
//img = Canvas.ctx.createImageData(50, 50);
img = Canvas.ctx.getImageData(0, 0, 50, 50);
for (y=0; y< 50; y++) {
for (x=0; x< 50; x++) {
img.data[(y*50 + x)*4 + 0] = 255 - parseInt((255 / 50) * y);
img.data[(y*50 + x)*4 + 1] = parseInt((255 / 50) * y);
img.data[(y*50 + x)*4 + 2] = parseInt((255 / 50) * x);
img.data[(y*50 + x)*4 + 0] = 255 - parseInt((255 / 50) * y, 10);
img.data[(y*50 + x)*4 + 1] = parseInt((255 / 50) * y, 10);
img.data[(y*50 + x)*4 + 2] = parseInt((255 / 50) * x, 10);
img.data[(y*50 + x)*4 + 3] = 255;
}
}
......@@ -143,13 +159,15 @@ draw: function () {
* gecko, Javascript array handling is much slower.
*/
getTile: function(x, y, width, height, color) {
var img = {'x': x, 'y': y, 'width': width, 'height': height,
var img, p, red, green, blue, j, i;
img = {'x': x, 'y': y, 'width': width, 'height': height,
'data': []};
if (Browser.Engine.webkit) {
var p, red = color[0], green = color[1], blue = color[2];
var width = img.width, height = img.height;
for (var j = 0; j < height; j++) {
for (var i = 0; i < width; i++) {
red = color[0];
green = color[1];
blue = color[2];
for (j = 0; j < height; j++) {
for (i = 0; i < width; i++) {
p = (i + (j * width) ) * 4;
img.data[p + 0] = red;
img.data[p + 1] = green;
......@@ -164,11 +182,14 @@ getTile: function(x, y, width, height, color) {
},
setTile: function(img, x, y, w, h, color) {
var p, red, green, blue, width, j, i;
if (Browser.Engine.webkit) {
var p, red = color[0], green = color[1], blue = color[2];
var width = img.width;
for (var j = 0; j < h; j++) {
for (var i = 0; i < w; i++) {
width = img.width;
red = color[0];
green = color[1];
blue = color[2];
for (j = 0; j < h; j++) {
for (i = 0; i < w; i++) {
p = (x + i + ((y + j) * width) ) * 4;
img.data[p + 0] = red;
img.data[p + 1] = green;
......@@ -192,9 +213,10 @@ putTile: function(img) {
rgbxImage: function(x, y, width, height, arr) {
var img, i;
/* Old firefox and Opera don't support createImageData */
var img = Canvas.ctx.getImageData(0, 0, width, height);
for (var i=0; i < (width * height); i++) {
img = Canvas.ctx.getImageData(0, 0, width, height);
for (i=0; i < (width * height); i++) {
img.data[i*4 + 0] = arr[i*4 + 0];
img.data[i*4 + 1] = arr[i*4 + 1];
img.data[i*4 + 2] = arr[i*4 + 2];
......@@ -206,9 +228,9 @@ rgbxImage: function(x, y, width, height, arr) {
fillRect: function(x, y, width, height, color) {
var newStyle = "rgb(" + color[0] + "," + color[1] + "," + color[2] + ")";
if (newStyle != Canvas.prevStyle) {
if (newStyle !== Canvas.prevStyle) {
Canvas.ctx.fillStyle = newStyle;
prevStyle = newStyle;
Canvas.prevStyle = newStyle;
}
Canvas.ctx.fillRect(x, y, width, height);
},
......@@ -220,8 +242,8 @@ copyImage: function(old_x, old_y, new_x, new_y, width, height) {
/* Translate DOM key event to keysym value */
getKeysym: function(e) {
var evt, keysym;
evt = e.event || window.event;
var keysym;
/* Remap modifier and special keys */
switch ( evt.keyCode ) {
......@@ -263,8 +285,9 @@ getKeysym: function(e) {
case 187 : keysym = 61; break; // = (IE)
case 188 : keysym = 44; break; // , (Mozilla, IE)
case 109 : // - (Mozilla)
if (Browser.Engine.gecko)
keysym = 45; break;
if (Browser.Engine.gecko) {
keysym = 45; }
break;
case 189 : keysym = 45; break; // - (IE)
case 190 : keysym = 46; break; // . (Mozilla, IE)
case 191 : keysym = 47; break; // / (Mozilla, IE)
......
vnc.js
View file @ c4164bda
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