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twk-cs.js
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twk-cs.js
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/* twk-cs.js
* Custom colour space / gamut object for the LUTCalc Web App.
* 29th September 2015
*
* LUTCalc generates 1D and 3D Lookup Tables (LUTs) for video cameras that shoot log gammas,
* principally the Sony CineAlta line.
*
* By Ben Turley, http://turley.tv
* First License: GPLv2
* Github: https://github.com/cameramanben/LUTCalc
*/
function TWKCS(tweaksBox, inputs, messages) {
this.tweaksBox = tweaksBox;
this.inputs = inputs;
this.messages = messages;
this.p = 13;
this.messages.addUI(this.p,this);
this.io();
this.ui();
this.events();
}
TWKCS.prototype.io = function() {
// Tweak Checkbox
this.tweakCheck = document.createElement('input');
this.tweakCheck.setAttribute('type','checkbox');
this.tweakCheck.className = 'twk-checkbox-hide';
this.tweakCheck.checked = false;
// Tweak - Specific Inputs
// Gamuts
this.xyVals = new Float64Array([
0.64, 0.33,
0.30, 0.60,
0.15, 0.06
]);
this.count = 1;
this.gamuts = [];
this.gamuts.push({
cat: 0,
matrix: false, lock: false,
std: 'D65',
wx: 0.31270,wy: 0.32900,
rx: this.xyVals[0], ry: this.xyVals[1],
gx: this.xyVals[2], gy: this.xyVals[3],
bx: this.xyVals[4], by: this.xyVals[5],
wcs: 'Rec709',
inMatrix: new Float64Array([1,0,0, 0,1,0, 0,0,1]),
outMatrix: new Float64Array([1,0,0, 0,1,0, 0,0,1])
});
// List of custom gamuts
this.gamList = document.createElement('select');
var listOption = document.createElement('option');
listOption.appendChild(document.createTextNode('Rec709'));
this.gamList.appendChild(listOption);
// Store / Remove buttons
this.newButton = document.createElement('input');
this.newButton.setAttribute('type','button');
this.newButton.value = 'New';
this.removeButton = document.createElement('input');
this.removeButton.setAttribute('type','button');
this.removeButton.value = 'Remove';
// Matrix / Colour Space
this.clspOpt = this.createRadioElement('mcOpt', true);
this.matxOpt = this.createRadioElement('mcOpt', false);
// Title
this.title = document.createElement('input');
this.title.setAttribute('type','text');
this.title.className = 'text-input';
this.title.value = 'Rec709';
// White Point
this.stdWP = this.createRadioElement('wpOpt', true);
this.cstWP = this.createRadioElement('wpOpt', false);
this.stdIll = document.createElement('select');
this.stdIll.className = 'side-item';
this.setIlluminants();
// Primaries
this.xWP = document.createElement('input');
this.xWP.setAttribute('type','text');
this.xWP.className = 'base-input';
this.xWP.value = this.gamuts[0].wx.toString();
this.xWP.disabled = true;
this.yWP = document.createElement('input');
this.yWP.setAttribute('type','text');
this.yWP.className = 'base-input';
this.yWP.value = this.gamuts[0].wy.toString();
this.yWP.disabled = true;
this.xR = document.createElement('input');
this.xR.setAttribute('type','text');
this.xR.className = 'base-input';
this.xR.value = this.gamuts[0].rx.toString();
this.yR = document.createElement('input');
this.yR.setAttribute('type','text');
this.yR.className = 'base-input';
this.yR.value = this.gamuts[0].ry.toString();
this.xG = document.createElement('input');
this.xG.setAttribute('type','text');
this.xG.className = 'base-input';
this.xG.value = this.gamuts[0].gx.toString();
this.yG = document.createElement('input');
this.yG.setAttribute('type','text');
this.yG.className = 'base-input';
this.yG.value = this.gamuts[0].gy.toString();
this.xB = document.createElement('input');
this.xB.setAttribute('type','text');
this.xB.className = 'base-input';
this.xB.value = this.gamuts[0].bx.toString();
this.yB = document.createElement('input');
this.yB.setAttribute('type','text');
this.yB.className = 'base-input';
this.yB.value = this.gamuts[0].by.toString();
// Matrix inputs
this.matIn = [];
this.matOut = [];
for (var j=0; j<9; j++) {
var inInput = document.createElement('input');
inInput.setAttribute('type','text');
inInput.className = 'wide-input';
inInput.disabled = false;
this.matIn.push(inInput);
var outInput = document.createElement('input');
outInput.setAttribute('type','text');
outInput.className = 'wide-input';
outInput.disabled = true;
this.matOut.push(outInput);
if (j === 0 || j === 4 || j === 8) {
inInput.value = '1';
outInput.value = '1';
} else {
inInput.value = '0';
outInput.value = '0';
}
}
this.matInOpt = this.createRadioElement('matInOutOpt', true);
this.matOutOpt = this.createRadioElement('matInOutOpt', false);
this.wrkspcSelect = document.createElement('select');
var m = this.inputs.gamutMatrixList.length;
for (var j=0; j<m; j++) {
var matrixOpt = document.createElement('option');
matrixOpt.appendChild(document.createTextNode(this.inputs.gamutMatrixList[j].name));
if (this.inputs.gamutMatrixList[j].name === 'Rec709') {
matrixOpt.selected = true;
}
matrixOpt.value = this.inputs.gamutMatrixList[j].idx;
this.wrkspcSelect.appendChild(matrixOpt);
}
this.matCalcCheck = document.createElement('input');
this.matCalcCheck.setAttribute('type','checkbox');
this.matCalcCheck.className = 'twk-checkbox';
this.matCalcCheck.checked = true;
this.xyButton = document.createElement('input');
this.xyButton.setAttribute('type','button');
this.xyButton.disabled = true;
this.xyButton.value = 'Set Primaries';
// CAT Selection
this.CATSelect = document.createElement('select');
m = this.inputs.gamutCATList.length;
for (var j=0; j<m; j++) {
var CATOption = document.createElement('option');
if (j === 0) {
CATOption.selected = true;
}
CATOption.value = j;
CATOption.appendChild(document.createTextNode(this.inputs.gamutCATList[j]));
this.CATSelect.appendChild(CATOption);
}
// Input and output choices
this.inSelect = document.createElement('select');
var inOption = document.createElement('option');
inOption.appendChild(document.createTextNode('Rec709'));
this.inSelect.appendChild(inOption);
this.outSelect = document.createElement('select');
var outOption = document.createElement('option');
outOption.appendChild(document.createTextNode('Rec709'));
this.outSelect.appendChild(outOption);
};
TWKCS.prototype.ui = function() {
// General Tweak Holder (Including Checkbox)
this.holder = document.createElement('div');
this.holder.className = 'tweakholder-hide';
this.tweaksBox.appendChild(this.holder);
this.holder.appendChild(document.createElement('label').appendChild(document.createTextNode('Custom Colour Space')));
this.holder.appendChild(this.tweakCheck);
// Tweak Box - Inputs Which Appear When the Tweak Checkbox Is Ticked
this.box = document.createElement('div');
this.box.className = 'tweak';
// Tweak - Specific UI Elements
this.box.appendChild(this.gamList);
this.box.appendChild(this.newButton);
this.box.appendChild(this.removeButton);
this.box.appendChild(document.createElement('br'));
this.box.appendChild(this.clspOpt);
this.box.appendChild(document.createElement('label').appendChild(document.createTextNode('White Point & Primaries')));
this.box.appendChild(this.matxOpt);
this.box.appendChild(document.createElement('label').appendChild(document.createTextNode('Matrix')));
this.box.appendChild(document.createElement('br'));
var editBox = document.createElement('div');
editBox.className = 'twk-sub-box';
editBox.appendChild(document.createElement('label').appendChild(document.createTextNode('Title')));
editBox.appendChild(this.title);
this.wppBox = document.createElement('div');
this.wppBox.className = 'twk-tab';
editBox.appendChild(document.createElement('br'));
editBox.appendChild(this.stdWP);
editBox.appendChild(document.createElement('label').appendChild(document.createTextNode('Standard Illuminant')));
editBox.appendChild(this.stdIll);
editBox.appendChild(this.cstWP);
editBox.appendChild(document.createElement('label').appendChild(document.createTextNode('White Point')));
editBox.appendChild(document.createElement('br'));
editBox.appendChild(document.createElement('label').appendChild(document.createTextNode('x')));
editBox.appendChild(this.xWP);
editBox.appendChild(document.createElement('label').appendChild(document.createTextNode('y')));
editBox.appendChild(this.yWP);
// this.wppBox.appendChild(document.createElement('br'));
this.wppBox.appendChild(document.createElement('label').appendChild(document.createTextNode('Red Primary: x')));
this.wppBox.appendChild(this.xR);
this.wppBox.appendChild(document.createElement('label').appendChild(document.createTextNode('y')));
this.wppBox.appendChild(this.yR);
this.wppBox.appendChild(document.createElement('br'));
this.wppBox.appendChild(document.createElement('label').appendChild(document.createTextNode('Green Primary: x')));
this.wppBox.appendChild(this.xG);
this.wppBox.appendChild(document.createElement('label').appendChild(document.createTextNode('y')));
this.wppBox.appendChild(this.yG);
this.wppBox.appendChild(document.createElement('br'));
this.wppBox.appendChild(document.createElement('label').appendChild(document.createTextNode('Blue Primary: x')));
this.wppBox.appendChild(this.xB);
this.wppBox.appendChild(document.createElement('label').appendChild(document.createTextNode('y')));
this.wppBox.appendChild(this.yB);
editBox.appendChild(this.wppBox);
this.matxBox = document.createElement('div');
this.matxBox.className = 'twk-tab-hide';
this.matxBox.appendChild(this.matInOpt);
this.matxBox.appendChild(document.createElement('label').appendChild(document.createTextNode('To Working Colourspace')));
this.matxBox.appendChild(document.createElement('br'));
for (var j=0; j<9; j++) {
this.matxBox.appendChild(this.matIn[j]);
if ((j+1)%3 === 0) {
this.matxBox.appendChild(document.createElement('br'));
}
}
this.matxBox.appendChild(this.matOutOpt);
this.matxBox.appendChild(document.createElement('label').appendChild(document.createTextNode('From Working Colourspace')));
this.matxBox.appendChild(document.createElement('br'));
for (var j=0; j<9; j++) {
this.matxBox.appendChild(this.matOut[j]);
if ((j+1)%3 === 0) {
this.matxBox.appendChild(document.createElement('br'));
}
}
var spacer = document.createElement('div');
spacer.className = 'spacer';
this.matxBox.appendChild(spacer);
this.matxBox.appendChild(this.xyButton);
this.matxBox.appendChild(document.createElement('br'));
this.matxBox.appendChild(document.createElement('label').appendChild(document.createTextNode('Working Colourspace')));
this.matxBox.appendChild(this.wrkspcSelect);
this.matxBox.appendChild(document.createElement('br'));
this.matxBox.appendChild(document.createElement('label').appendChild(document.createTextNode('Update With Colourspace')));
this.matxBox.appendChild(this.matCalcCheck);
editBox.appendChild(this.matxBox);
editBox.appendChild(document.createElement('label').appendChild(document.createTextNode('CAT Model')));
editBox.appendChild(this.CATSelect);
this.box.appendChild(editBox);
this.box.appendChild(document.createElement('label').appendChild(document.createTextNode('Input Choice')));
this.box.appendChild(this.inSelect);
this.box.appendChild(document.createElement('br'));
this.box.appendChild(document.createElement('label').appendChild(document.createTextNode('Output Choice')));
this.box.appendChild(this.outSelect);
this.box.appendChild(document.createElement('br'));
// Build Box Hierarchy
this.holder.appendChild(this.box);
};
TWKCS.prototype.toggleTweaks = function() {
// Visibility dictated by 3D LUT and Gamut choice, not checkbox
this.toggleTweak();
};
TWKCS.prototype.toggleTweak = function() {
if ( this.inputs.d[1].checked && (
this.inputs.inGamut.selectedIndex === this.inputs.custGamInIdx ||
this.inputs.outGamut.selectedIndex === this.inputs.custGamOutIdx
)) {
this.holder.className = 'tweakholder';
} else {
this.holder.className = 'tweakholder-hide';
}
};
TWKCS.prototype.getTFParams = function(params) {
// No parameters are relevent
};
TWKCS.prototype.getCSParams = function(params) {
var out = {};
out.doCS = true;
var i = this.gamList.selectedIndex;
out.editIdx = i;
out.matrix = this.gamuts[i].matrix;
out.lock = this.gamuts[i].lock;
out.edit = {
wx: this.gamuts[i].wx, wy: this.gamuts[i].wy,
rx: this.gamuts[i].rx, ry: this.gamuts[i].ry,
gx: this.gamuts[i].gx, gy: this.gamuts[i].gy,
bx: this.gamuts[i].bx, by: this.gamuts[i].by,
wcs: this.getWCS(this.gamuts[i].wcs),
isMatrix: this.gamuts[i].matrix,
matrix: new Float64Array(this.gamuts[i].inMatrix.buffer.slice(0)),
cat: this.gamuts[i].cat
};
i = this.inSelect.selectedIndex;
out.input = {
wx: this.gamuts[i].wx, wy: this.gamuts[i].wy,
rx: this.gamuts[i].rx, ry: this.gamuts[i].ry,
gx: this.gamuts[i].gx, gy: this.gamuts[i].gy,
bx: this.gamuts[i].bx, by: this.gamuts[i].by,
wcs: this.getWCS(this.gamuts[i].wcs),
isMatrix: this.gamuts[i].matrix,
matrix: new Float64Array(this.gamuts[i].inMatrix.buffer.slice(0)),
cat: this.gamuts[i].cat
};
i = this.outSelect.selectedIndex;
out.output = {
wx: this.gamuts[i].wx, wy: this.gamuts[i].wy,
rx: this.gamuts[i].rx, ry: this.gamuts[i].ry,
gx: this.gamuts[i].gx, gy: this.gamuts[i].gy,
bx: this.gamuts[i].bx, by: this.gamuts[i].by,
wcs: this.getWCS(this.gamuts[i].wcs),
isMatrix: this.gamuts[i].matrix,
matrix: new Float64Array(this.gamuts[i].outMatrix.buffer.slice(0)),
cat: this.gamuts[i].cat
};
params.twkCS = out;
};
TWKCS.prototype.setParams = function(params) {
if (typeof params.twkCS !== 'undefined') {
var p = params.twkCS;
if (typeof p.editMatrix !== 'undefined') {
this.gamuts[p.editIdx].inMatrix = new Float64Array(p.editMatrix.buffer.slice(0));
this.gamuts[p.editIdx].outMatrix = this.mInverse(p.editMatrix);
this.gamuts[p.editIdx].wcs = this.wrkspcSelect.options[p.wcs].lastChild.nodeValue;
if (this.gamList.selectedIndex === p.editIdx) {
this.wrkspcSelect.options[p.wcs].selected = true;
for (var j=0; j<9; j++) {
this.matIn[j].value = parseFloat(this.gamuts[p.editIdx].inMatrix[j].toFixed(8)).toString();
this.matOut[j].value = parseFloat(this.gamuts[p.editIdx].outMatrix[j].toFixed(8)).toString();
}
}
}
this.xyButton.disabled = true;
if (typeof p.xyVals !== 'undefined') {
var xy = p.xyVals;
if (!isNaN(xy[0])&&!isNaN(xy[1])&&!isNaN(xy[2])&&!isNaN(xy[3])&&!isNaN(xy[4])&&!isNaN(xy[5])) {
this.xyVals = p.xyVals;
if (
xy[0] !== this.gamuts[p.editIdx].rx ||
xy[1] !== this.gamuts[p.editIdx].ry ||
xy[2] !== this.gamuts[p.editIdx].gx ||
xy[3] !== this.gamuts[p.editIdx].gy ||
xy[4] !== this.gamuts[p.editIdx].bx ||
xy[5] !== this.gamuts[p.editIdx].by
) {
this.xyButton.disabled = false;
}
}
}
}
// this.toggleTweak();
};
TWKCS.prototype.getSettings = function(data) {
var m = this.gamuts.length;
var list = [];
for (var j=0; j<m; j++) {
list.push({
title: this.gamList.options[j].lastChild.nodeValue,
matrix: this.gamuts[j].matrix,
lock: this.gamuts[j].lock,
std: this.gamuts[j].std,
wx: this.gamuts[j].wx, wy: this.gamuts[j].wy,
rx: this.gamuts[j].rx, ry: this.gamuts[j].ry,
gx: this.gamuts[j].gx, gy: this.gamuts[j].gy,
bx: this.gamuts[j].bx, by: this.gamuts[j].by,
wcs: this.gamuts[j].wcs,
inMatrix: this.taToString(this.gamuts[j].inMatrix),
outMatrix: this.taToString(this.gamuts[j].outMatrix),
cat: this.CATSelect.options[this.gamuts[j].cat].lastChild.nodeValue
});
}
data.customCS = {
edit: this.gamList.options[this.gamList.selectedIndex].lastChild.nodeValue,
input: this.inSelect.options[this.inSelect.selectedIndex].lastChild.nodeValue,
output: this.outSelect.options[this.outSelect.selectedIndex].lastChild.nodeValue,
list: list
};
};
TWKCS.prototype.setSettings = function(settings) {
if (typeof settings.customCS !== 'undefined') {
var data = settings.customCS;
if (data.list !== 'undefined') {
this.gamuts.length = 0;
this.gamList.length = 0;
this.inSelect.length = 0;
this.outSelect.length = 0;
var m = data.list.length;
this.title.value = data.edit;
for (var j=0; j<m; j++) {
this.gamuts.push({
matrix: data.list[j].matrix,
lock: data.list[j].lock,
std: data.list[j].std,
wx: data.list[j].wx, wy: data.list[j].wy,
rx: data.list[j].rx, ry: data.list[j].ry,
gx: data.list[j].gx, gy: data.list[j].gy,
bx: data.list[j].bx, by: data.list[j].by,
wcs: data.list[j].wcs,
inMatrix: new Float64Array(data.list[j].inMatrix.split(',').map(Number)),
outMatrix: new Float64Array(data.list[j].outMatrix.split(',').map(Number)),
cat: this.getCAT(data.list[j].cat)
});
var option1 = document.createElement('option');
option1.appendChild(document.createTextNode(data.list[j].title));
this.gamList.appendChild(option1);
if (data.list[j].title === data.edit) {
this.xWP.value = data.list[j].wx.toString();
this.yWP.value = data.list[j].wy.toString();
this.xR.value = data.list[j].rx.toString();
this.yR.value = data.list[j].ry.toString();
this.xG.value = data.list[j].gx.toString();
this.yG.value = data.list[j].gy.toString();
this.xB.value = data.list[j].bx.toString();
this.yB.value = data.list[j].by.toString();
option1.selected = true;
if (data.list[j].std) {
this.stdIll.className = 'side-item';
this.stdWP.checked = true;
this.cstWP.checked = false;
this.xWP.disabled = true;
this.yWP.disabled = true;
var m2 = this.stdIll.options.length;
for (var k=0; k<m2; k++) {
if (this.stdIll.options[k].lastChild.nodeValue.toUpperCase() === data.list[j].std.toUpperCase()) {
this.stdIll.options[k].selected = true;
// break;
}
}
} else {
this.stdIll.className = 'side-item-hide';
this.stdWP.checked = false;
this.cstWP.checked = true;
this.xWP.disabled = false;
this.yWP.disabled = false;
}
}
var option2 = document.createElement('option');
option2.appendChild(document.createTextNode(data.list[j].title));
if (data.list[j].title === data.input) {
option2.selected = true;
}
this.inSelect.appendChild(option2);
var option3 = document.createElement('option');
option3.appendChild(document.createTextNode(data.list[j].title));
if (data.list[j].title === data.output) {
option3.selected = true;
}
this.outSelect.appendChild(option3);
}
}
this.changeInput();
this.changeOutput();
this.toggleTweak();
}
};
TWKCS.prototype.getInfo = function(info) {
};
TWKCS.prototype.isCustomGamma = function() {
return false;
};
TWKCS.prototype.isCustomGamut = function() {
return false;
};
TWKCS.prototype.events = function() {
this.gamList.onchange = function(here){ return function(){
here.changeCS();
here.messages.gtSetParams();
};}(this);
this.newButton.onclick = function(here){ return function(){
here.newCS();
here.messages.gtSetParams();
};}(this);
this.removeButton.onclick = function(here){ return function(){
here.removeCS();
here.messages.gtSetParams();
};}(this);
this.clspOpt.onclick = function(here){ return function(){
here.clspMatx();
here.messages.gtSetParams();
};}(this);
this.matxOpt.onclick = function(here){ return function(){
here.clspMatx();
here.messages.gtSetParams();
};}(this);
this.wrkspcSelect.onchange = function(here){ return function(){
here.changeWCS();
if (!here.matCalcCheck.checked) {
here.messages.gtSetParams();
}
};}(this);
this.title.oninput = function(here){ return function(){
here.changeTitle();
};}(this);
this.stdWP.onchange = function(here){ return function(){
here.illOrWP();
here.messages.gtSetParams();
};}(this);
this.stdIll.onchange = function(here){ return function(){
here.changeIll();
here.messages.gtSetParams();
};}(this);
this.cstWP.onchange = function(here){ return function(){
here.illOrWP();
here.messages.gtSetParams();
};}(this);
this.xWP.onchange = function(here){ return function(){
here.testWx();
here.messages.gtSetParams();
};}(this);
this.yWP.onchange = function(here){ return function(){
here.testWy();
here.messages.gtSetParams();
};}(this);
this.xR.onchange = function(here){ return function(){
here.testRx();
here.messages.gtSetParams();
};}(this);
this.yR.onchange = function(here){ return function(){
here.testRy();
here.messages.gtSetParams();
};}(this);
this.xG.onchange = function(here){ return function(){
here.testGx();
here.messages.gtSetParams();
};}(this);
this.yG.onchange = function(here){ return function(){
here.testGy();
here.messages.gtSetParams();
};}(this);
this.xB.onchange = function(here){ return function(){
here.testBx();
here.messages.gtSetParams();
};}(this);
this.yB.onchange = function(here){ return function(){
here.testBy();
here.messages.gtSetParams();
};}(this);
this.inSelect.onchange = function(here){ return function(){
here.changeInput();
here.messages.gtSetParams();
};}(this);
this.outSelect.onchange = function(here){ return function(){
here.changeOutput();
here.messages.gtSetParams();
};}(this);
this.matInOpt.onclick = function(here){ return function(){
here.toggleMatIO();
here.messages.gtSetParams();
};}(this);
this.matOutOpt.onclick = function(here){ return function(){
here.toggleMatIO();
here.messages.gtSetParams();
};}(this);
for (var j=0; j<9; j++) {
this.matIn[j].onchange = function(here){ return function(){
here.updateInMatrix();
here.messages.gtSetParams();
};}(this);
this.matOut[j].onchange = function(here){ return function(){
here.updateOutMatrix();
here.messages.gtSetParams();
};}(this);
}
this.xyButton.onclick = function(here){ return function(){
here.setPrimaries();
};}(this);
this.CATSelect.onchange = function(here){ return function(){
here.changeCAT();
here.messages.gtSetParams();
};}(this);
};
// Tweak-Specific Code
TWKCS.prototype.setIlluminants = function() {
this.illuminants = []
this.illuminants.push({name:'a', x:0.44757, y:0.40745});
this.illuminants.push({name:'b', x:0.34842, y:0.35161});
this.illuminants.push({name:'c', x:0.31006, y:0.31616});
this.illuminants.push({name:'d40', x:0.38230, y:0.38380});
this.illuminants.push({name:'d45', x:0.36210, y:0.37090});
this.illuminants.push({name:'d50', x:0.34567, y:0.35850});
this.illuminants.push({name:'d55', x:0.33242, y:0.34743});
this.illuminants.push({name:'d60', x:0.32168, y:0.33767});
this.illuminants.push({name:'d65', x:0.31270, y:0.32900});
this.illuminants.push({name:'d70', x:0.30540, y:0.32160});
this.illuminants.push({name:'d75', x:0.29902, y:0.31485});
this.illuminants.push({name:'e', x:1/3 , y:1/3 });
this.illuminants.push({name:'f1', x:0.31310, y:0.33727});
this.illuminants.push({name:'f2', x:0.37208, y:0.37529});
this.illuminants.push({name:'f3', x:0.40910, y:0.39430});
this.illuminants.push({name:'f4', x:0.44018, y:0.40329});
this.illuminants.push({name:'f5', x:0.31379, y:0.34531});
this.illuminants.push({name:'f6', x:0.37790, y:0.38835});
this.illuminants.push({name:'f7', x:0.31292, y:0.32933});
this.illuminants.push({name:'f8', x:0.34588, y:0.35875});
this.illuminants.push({name:'f9', x:0.37417, y:0.37281});
this.illuminants.push({name:'f10', x:0.34609, y:0.35986});
this.illuminants.push({name:'f11', x:0.38052, y:0.37713});
this.illuminants.push({name:'f12', x:0.43695, y:0.40441});
var m = this.illuminants.length;
for (var j=0; j<m; j++) {
var option = document.createElement('option');
option.value = j;
if (this.illuminants[j].name === 'd65') {
option.selected = true;
}
option.appendChild(document.createTextNode(this.illuminants[j].name.toUpperCase()));
this.stdIll.appendChild(option);
}
};
TWKCS.prototype.changeIll = function() {
var i = this.stdIll.selectedIndex;
this.xWP.value = this.illuminants[i].x.toString();
this.yWP.value = this.illuminants[i].y.toString();
this.gamuts[this.gamList.selectedIndex].std = this.illuminants[i].name.toUpperCase();
this.gamuts[this.gamList.selectedIndex].wx = this.illuminants[i].x;
this.gamuts[this.gamList.selectedIndex].wy = this.illuminants[i].y;
this.gamuts[this.gamList.selectedIndex].lock = true;
};
TWKCS.prototype.illOrWP = function() {
if (this.stdWP.checked) {
this.stdIll.className = 'side-item';
this.xWP.disabled = true;
this.yWP.disabled = true;
this.gamuts[this.gamList.selectedIndex].std = this.stdIll.options[this.stdIll.selectedIndex].lastChild.nodeValue;
this.changeIll();
} else {
this.stdIll.className = 'side-item-hide';
this.xWP.disabled = false;
this.yWP.disabled = false;
this.gamuts[this.gamList.selectedIndex].std = false;
}
this.gamuts[this.gamList.selectedIndex].lock = true;
};
TWKCS.prototype.newCS = function() {
this.title.value = 'Gamut ' + this.count.toString();
this.count++;
var i = this.gamuts.length;
this.gamuts.push({
cat: this.CATSelect.selectedIndex,
matrix: false, lock: false,
std: 'D65',
wx: 0.31270,wy: 0.32900,
rx: 0.64, ry: 0.33,
gx: 0.30, gy: 0.60,
bx: 0.15, by: 0.06,
wcs: 'Rec709',
inMatrix: new Float64Array([1,0,0, 0,1,0, 0,0,1]),
outMatrix: new Float64Array([1,0,0, 0,1,0, 0,0,1])
});
var m = this.stdIll.options.length;
for (var j=0; j<m; j++) {
if (this.stdIll.options[j].lastChild.nodeValue === 'D65') {
this.stdIll.options[j].selected = true;
break;
}
}
m = this.wrkspcSelect.options.length;
for (var j=0; j<m; j++) {
if (this.wrkspcSelect.options[j].lastChild.nodeValue === 'Rec709') {
this.wrkspcSelect.options[j].selected = true;
break;
}
}
this.setXY(i);
this.stdWP.checked = true;
this.illOrWP();
var option1 = document.createElement('option');
option1.appendChild(document.createTextNode(this.title.value));
i = this.gamList.options.length;
this.gamList.appendChild(option1);
this.gamList.options[i].selected = true;
var option2 = document.createElement('option');
option2.appendChild(document.createTextNode(this.title.value));
i = this.inSelect.options.length;
this.inSelect.appendChild(option2);
var option3 = document.createElement('option');
option3.appendChild(document.createTextNode(this.title.value));
i = this.outSelect.options.length;
this.outSelect.appendChild(option3);
this.outSelect.options[i].selected = true;
this.changeInput();
this.changeOutput();
};
TWKCS.prototype.changeCAT = function() {
this.gamuts[this.gamList.selectedIndex].cat = this.CATSelect.selectedIndex;
};
TWKCS.prototype.getWCS = function(wcs) {
var m = this.wrkspcSelect.options.length;
for (var j=0; j<m; j++) {
if (this.wrkspcSelect.options[j].lastChild.nodeValue === wcs) {
return j;
}
}
};
TWKCS.prototype.changeWCS = function(wcs) {
var edIdx = this.gamList.selectedIndex;
if (this.matCalcCheck.checked) {
this.messages.gtTx(this.p,3,{
idx: edIdx,
oldWCS: this.getWCS(this.gamuts[edIdx].wcs),
newWCS: this.getWCS(this.wrkspcSelect.options[this.wrkspcSelect.selectedIndex].lastChild.nodeValue),
matrix: this.gamuts[edIdx].inMatrix.buffer.slice(0),
cat: this.gamuts[edIdx].cat
});
}
this.gamuts[edIdx].wcs = this.wrkspcSelect.options[this.wrkspcSelect.selectedIndex].lastChild.nodeValue;
};
TWKCS.prototype.recalcMatrix = function(idx,wcs,buff) {
this.wrkspcSelect.selectedIndex = wcs;
this.gamuts[idx].wcs = this.wrkspcSelect.options[wcs].lastChild.nodeValue;
var matrix = new Float64Array(buff);
var inv = this.mInverse(matrix);
var matStore = this.gamuts[idx].outMatrix;
var r;
if (inv) {
for (var j=0; j<9; j++) {
if (Math.abs(inv[j]-Math.round(inv[j])) > 0.000001) {
matStore[j] = Math.round(inv[j]*10000000)/10000000;
} else {
matStore[j] = Math.round(inv[j]);
}
}
} else {
for (var j=0; j<9; j++) {
if (j === 0 || j === 4 || j === 8) {
matStore[j] = 1;
} else {
matStore[j] = 0;
}
}
}
for (var j=0; j<9; j++) {
if (Math.abs(matrix[j]-Math.round(matrix[j])) > 0.000001) {
this.gamuts[idx].inMatrix[j] = Math.round(matrix[j]*10000000)/10000000;
} else {
this.gamuts[idx].inMatrix[j] = Math.round(matrix[j]);
}
}
if (idx === this.gamList.selectedIndex) {
for (var j=0; j<9; j++) {
this.matIn[j].value = this.gamuts[idx].inMatrix[j].toString();
this.matOut[j].value = this.gamuts[idx].outMatrix[j].toString();
}
}
this.messages.gtSetParams();
};
TWKCS.prototype.getCAT = function(cat) {
var m = this.CATSelect.options.length;
for (var j=0; j<m; j++) {
if (this.CATSelect.options[j].lastChild.nodeValue === cat) {
return j;
}
}
};
TWKCS.prototype.removeCS = function() {
var i = this.gamList.selectedIndex;
var m = this.gamList.options.length;
if (m>1) {
this.gamList.remove(i);
this.inSelect.remove(i);
this.outSelect.remove(i);
this.gamuts.splice(i,1);
}
this.changeCS();
};
TWKCS.prototype.clspMatx = function() {
if (this.clspOpt.checked) {
this.wppBox.className = 'twk-tab';
this.matxBox.className = 'twk-tab-hide';
this.gamuts[this.gamList.selectedIndex].matrix = false;
} else {
this.wppBox.className = 'twk-tab-hide';
this.matxBox.className = 'twk-tab-box';
this.gamuts[this.gamList.selectedIndex].matrix = true;
}
};
TWKCS.prototype.toggleMatIO = function() {
if (this.matInOpt.checked) {
for (var j=0; j<9; j++) {
this.matIn[j].disabled = false;
this.matOut[j].disabled = true;
}
} else {
for (var j=0; j<9; j++) {
this.matIn[j].disabled = true;
this.matOut[j].disabled = false;
}
}
};
TWKCS.prototype.updateInMatrix = function() {
var mat = new Float64Array(9);
var i;
for (var j=0; j<9; j++) {
i = parseFloat(this.matIn[j].value);
if (isNaN(i)) {
i = this.gamuts[this.gamList.selectedIndex].inMatrix[j];
this.matIn[j].value = i.toString();
mat[j] = i;
} else {
this.gamuts[this.gamList.selectedIndex].inMatrix[j] = i;
mat[j] = i;
}
}
var inv = this.mInverse(mat);
var matStore = this.gamuts[this.gamList.selectedIndex].outMatrix;
if (inv) {
for (var j=0; j<9; j++) {
inv[j] = parseFloat(inv[j].toFixed(8));
this.matOut[j].value = inv[j].toString();
matStore[j] = inv[j];
}
} else {
for (var j=0; j<9; j++) {
if (j === 0 || j === 4 || j === 8) {
this.matOut[j].value = '1';
matStore[j] = 1;
} else {
this.matOut[j].value = '0';
matStore[j] = 0;
}
}
}
};
TWKCS.prototype.updateOutMatrix = function() {
var mat = new Float64Array(9);
var i;
for (var j=0; j<9; j++) {
i = parseFloat(this.matOut[j].value);
if (isNaN(i)) {
i = this.gamuts[this.gamList.selectedIndex].outMatrix[j];
this.matOut[j].value = i.toString();
mat[j] = i;
} else {
this.gamuts[this.gamList.selectedIndex].outMatrix[j] = i;
mat[j] = i;
}
}
var inv = this.mInverse(mat);
var matStore = this.gamuts[this.gamList.selectedIndex].inMatrix;
if (inv) {
for (var j=0; j<9; j++) {
inv[j] = parseFloat(inv[j].toFixed(8));
this.matIn[j].value = inv[j].toString();
matStore[j] = inv[j];
}
} else {
for (var j=0; j<9; j++) {
if (j === 0 || j === 4 || j === 8) {
this.matIn[j].value = '1';
matStore[j] = 1;
} else {
this.matIn[j].value = '0';
matStore[j] = 0;
}
}
}
};
TWKCS.prototype.mInverse = function(M) {
var det = (M[0]*((M[4]*M[8]) - (M[5]*M[7]))) -
(M[1]*((M[3]*M[8]) - (M[5]*M[6]))) +
(M[2]*((M[3]*M[7]) - (M[4]*M[6])));
if (det === 0) {
return false;
}
return new Float64Array([
((M[4]*M[8])-(M[5]*M[7]))/det, ((M[2]*M[7])-(M[1]*M[8]))/det, ((M[1]*M[5])-(M[2]*M[4]))/det,
((M[5]*M[6])-(M[3]*M[8]))/det, ((M[0]*M[8])-(M[2]*M[6]))/det, ((M[2]*M[3])-(M[0]*M[5]))/det,
((M[3]*M[7])-(M[4]*M[6]))/det, ((M[1]*M[6])-(M[0]*M[7]))/det, ((M[0]*M[4])-(M[1]*M[3]))/det
]);
};
TWKCS.prototype.changeCS = function() {
var i = this.gamList.selectedIndex;
this.outSelect.options[i].selected = true;
this.setXY(i);
this.title.value = this.gamList.options[i].lastChild.nodeValue;
if (this.gamuts[i].std) {
this.stdWP.checked = true;
this.cstWP.checked = false;
var m = this.stdIll.options.length;
for (var j=0; j<m; j++) {
if (this.stdIll.options[j].lastChild.nodeValue.toUpperCase() === this.gamuts[i].std) {
this.stdIll.options[j].selected = true;
break;
}
}
} else {
this.stdWP.checked = false;
this.cstWP.checked = true;
}
this.illOrWP();
for (var j=0; j<9; j++) {
this.matIn[j].value = this.gamuts[i].inMatrix[j].toString();
this.matOut[j].value = this.gamuts[i].outMatrix[j].toString();
}
if (typeof this.gamuts[i].wcs !== 'undefined') {
var m = this.wrkspcSelect.options.length;
for (var j=0; j<m; j++) {
if (this.wrkspcSelect.options[j].lastChild.nodeValue === this.gamuts[i].wcs) {
this.wrkspcSelect.options[j].selected = true;
break;
}
}
}
if (typeof this.gamuts[i].matrix === 'boolean' && this.gamuts[i].matrix) {
this.matxOpt.checked = true;
this.clspOpt.checked = false;
} else {
this.matxOpt.checked = false;
this.clspOpt.checked = true;
}
this.CATSelect.options[this.gamuts[i].cat].selected = true;
this.clspMatx();
this.changeOutput();
};
TWKCS.prototype.setXY = function(i) {
this.xWP.value = this.gamuts[i].wx.toString();
this.yWP.value = this.gamuts[i].wy.toString();
this.xR.value = this.gamuts[i].rx.toString();
this.yR.value = this.gamuts[i].ry.toString();
this.xG.value = this.gamuts[i].gx.toString();
this.yG.value = this.gamuts[i].gy.toString();
this.xB.value = this.gamuts[i].bx.toString();
this.yB.value = this.gamuts[i].by.toString();
};
TWKCS.prototype.testWx = function() {
var i = this.gamList.options.selectedIndex;
var x = parseFloat(this.xWP.value);
if (isNaN(x)) {
this.xWP.value = this.gamuts[i].wx.toString();
} else {
this.gamuts[i].wx = x;
}
this.gamuts[i].lock = true;
};
TWKCS.prototype.testWy = function() {
var i = this.gamList.options.selectedIndex;
var y = parseFloat(this.yWP.value);
if (isNaN(y)) {
this.yWP.value = this.gamuts[i].wy.toString();
} else {
this.gamuts[i].wy = y;
}
this.gamuts[i].lock = true;
};
TWKCS.prototype.testRx = function() {
var i = this.gamList.options.selectedIndex;
var x = parseFloat(this.xR.value);
if (isNaN(x)) {
this.xR.value = this.gamuts[i].rx.toString();
} else {
this.gamuts[i].rx = x;
}
this.gamuts[i].lock = true;
};
TWKCS.prototype.testRy = function() {
var i = this.gamList.options.selectedIndex;
var y = parseFloat(this.yR.value);
if (isNaN(y)) {
this.yR.value = this.gamuts[i].ry.toString();
} else {
this.gamuts[i].ry = y;
}
this.gamuts[i].lock = true;
};
TWKCS.prototype.testGx = function() {
var i = this.gamList.options.selectedIndex;
var x = parseFloat(this.xG.value);
if (isNaN(x)) {
this.xG.value = this.gamuts[i].gx.toString();
} else {
this.gamuts[i].gx = x;
}
this.gamuts[i].lock = true;
};
TWKCS.prototype.testGy = function() {
var i = this.gamList.options.selectedIndex;
var y = parseFloat(this.yG.value);
if (isNaN(y)) {
this.yG.value = this.gamuts[i].gy.toString();
} else {
this.gamuts[i].gy = y;
}
this.gamuts[i].lock = true;
};
TWKCS.prototype.testBx = function() {
var i = this.gamList.options.selectedIndex;
var x = parseFloat(this.xB.value);
if (isNaN(x)) {