350 lines
11 KiB
JavaScript
350 lines
11 KiB
JavaScript
var Interceptor = {
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prevTotalCount :0,
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totalCount : 0,
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currentColor : 'white',
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objectArea : 0,
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objectDescription : '',
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bgColor : 'white',
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coordinates : [],
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canvasDetails : {
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width : 0,
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height: 0
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},
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setupObject : {
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objectArray : [],
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objectCount : 0,
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objectTypeCount : {}
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},
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drawObject : {
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objectArray : [],
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objectCount : 0,
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objectTypeCount : {}
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},
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isCleared : false,
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noRows: 10,
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noCols: 10,
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coordLoc : {},
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getColorName : function(arguments) {
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if(arguments.length==3) {
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//assuming that we are doing RGB - convert RGB values to a name
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var color = '#' + arguments[0].toString(16).paddingLeft("00") + arguments[1].toString(16).paddingLeft("00") + arguments[2].toString(16).paddingLeft("00");
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var n_match = ntc.name(color);
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return n_match[1];
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}
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else if(arguments.length==1) {
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if(!(typeof(arguments[0])).localeCompare("number")) {
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//assuming that we are doing RGB - this would be a grayscale number
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if(arguments[0]<10) {
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return 'black';
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}
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else if(arguments[0]>240) {
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return 'white';
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}
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else {
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return 'grey';
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}
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}
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else if(!(typeof(arguments[0])).localeCompare("string")) {
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if(!arguments[0].charAt(0).localeCompare('#')) {
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//if user has entered a hex color
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var n_match = ntc.name(arguments[0]);
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return n_match[1];
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}
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else {
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return arguments[0];
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}
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}
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}
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},
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/* return which part of the canvas an object os present */
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canvasAreaLocation : function(x,arguments,canvasX,canvasY){
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var x_loc,y_loc;
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for(var i=0;i<arguments.length;i++) {
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a = arguments[i];
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if(x.params[i].description.indexOf("x-coordinate")>-1) {
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x_loc = a;
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}
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else if(x.params[i].description.indexOf("y-coordinate")>-1) {
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y_loc = a;
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}
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}
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if(x_loc<0.4*canvasX) {
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if(y_loc<0.4*canvasY) {
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return 'top left';
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}
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else if(y_loc>0.6*canvasY) {
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return 'bottom left';
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}
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else {
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return 'mid left';
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}
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}
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else if(x_loc>0.6*canvasX) {
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if(y_loc<0.4*canvasY) {
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return 'top right';
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}
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else if(y_loc>0.6*canvasY) {
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return 'bottom right';
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}
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else {
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return 'mid right';
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}
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}
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else {
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if(y_loc<0.4*canvasY) {
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return 'top middle';
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}
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else if(y_loc>0.6*canvasY) {
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return 'bottom middle';
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}
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else {
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return 'middle';
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}
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}
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},
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/* return which part of the canvas an object os present */
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canvasLocator : function(x,arguments,canvasX,canvasY){
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var x_loc, y_loc;
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var locX, locY;
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for(var i=0;i<arguments.length;i++) {
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a = arguments[i];
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if(x.params[i].description.indexOf("x-coordinate")>-1) {
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x_loc = a;
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}
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else if(x.params[i].description.indexOf("y-coordinate")>-1) {
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y_loc = a;
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}
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}
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locX = Math.floor((x_loc/canvasX)*this.noRows);
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locY = Math.floor((y_loc/canvasY)*this.noCols);
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if( locX == this.noRows) {
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locX = locX - 1;
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}
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if( locY == this.noCols) {
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locY = locY - 1;
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}
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return({
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locX: locX,
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locY: locY
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})
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},
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clearVariables : function(object) {
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object.objectTypeCount = {};
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object.objectCount = 0;
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this.isCleared = true;
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return object;
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},
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createShadowDOMElement : function(document) {
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var contentTable = document.getElementById('textOutput-content-table');
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for(var i=0; i<this.noRows; i++) {
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var row = document.createElement('tr');
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for(var j=0; j<this.noCols; j++) {
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var col = document.createElement('td');
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col.className = "textOutput-cell-content";
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col.innerHTML = 'test';
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row.appendChild(col);
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}
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contentTable.appendChild(row);
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}
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shadowDOMElement = document.getElementById('textOutput-content');
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},
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populateObject : function(x,arguments, object ,table, isDraw) {
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objectCount = object.objectCount;
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objectArray = object.objectArray;
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objectTypeCount = object.objectTypeCount;
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if(!isDraw) {
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//check for special function in setup -> createCanvas
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if(!x.name.localeCompare('createCanvas')) {
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this.canvasDetails.width = arguments[0];
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this.canvasDetails.height = arguments[1];
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}
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}
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/* Here - most of the functions are generalised, but some need specific outputs */
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/* for `fill` function */
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if(!x.name.localeCompare('fill')) {
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this.currentColor = this.getColorName(arguments);
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}
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/* for `background` function */
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else if(!x.name.localeCompare('background')) {
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this.bgColor = this.getColorName(arguments);
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}
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/* for 2D functions and text function */
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else if(!x.module.localeCompare('Shape') || !x.module.localeCompare('Typography') &&((!x.submodule)||(x.submodule.localeCompare('Attributes')!=0)) ){
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this.objectArea = this.getObjectArea(x.name, arguments);
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var canvasLocation = this.canvasAreaLocation(x, arguments ,width,height);
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this.coordLoc = this.canvasLocator(x,arguments,width,height);
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/* in case of text, the description should be what is in the content */
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if(x.name.localeCompare('text')){
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this.objectDescription = x.name;
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}
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else {
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this.objectDescription = arguments[0].substring(0,20);
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}
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objectArray[objectCount] = {
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'type' : this.currentColor + ' - ' + this.objectDescription ,
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'location': canvasLocation, //top left vs top right etc
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'coordLoc': this.coordLoc, // 3,3 vs 5,3 etc
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'area': this.objectArea,
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'co-ordinates': this.coordinates // coordinates of where the objects are drawn
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};
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this.coordinates = [];
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/*add the object(shape/text) parameters in objectArray */
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for(var i=0;i<arguments.length;i++) {
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if(!(typeof(arguments[i])).localeCompare('number')){
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arguments[i] = round(arguments[i]);
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}
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if(x.params[i].description.indexOf("x-coordinate")>-1) {
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objectArray[objectCount]['co-ordinates'].push(arguments[i]+'x')
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}
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else if(x.params[i].description.indexOf("y-coordinate")>-1) {
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objectArray[objectCount]['co-ordinates'].push(arguments[i]+'y')
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}
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else{
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objectArray[objectCount][x.params[i].description]=arguments[i];
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}
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}
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if(objectTypeCount[x.name]) {
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objectTypeCount[x.name]++;
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}
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else {
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objectTypeCount[x.name]=1;
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}
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objectCount++;
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}
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return ({
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objectCount : objectCount,
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objectArray : objectArray,
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objectTypeCount : objectTypeCount
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});
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},
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populateTable : function(objectArray,document_passed) {
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if(this.totalCount<100) {
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for(var i=0;i<objectArray.length;i++) {
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var cellLoc = objectArray[i].coordLoc.locY*this.noRows + objectArray[i].coordLoc.locX;
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//add link in table
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var cellLink = document_passed.createElement('a');
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cellLink.innerHTML += objectArray[i].type;
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var objectId = '#object'+i;
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cellLink.setAttribute('href',objectId);
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document_passed.getElementsByClassName('textOutput-cell-content')[cellLoc].appendChild(cellLink);
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}
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}
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},
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getObjectArea : function(objectType,arguments){
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var objectArea = 0;
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if(!objectType.localeCompare('arc')) {
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objectArea = 0;
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}
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else if(!objectType.localeCompare('ellipse')) {
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objectArea = 3.14 * arguments[2]*arguments[3]/4;
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}
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else if(!objectType.localeCompare('line')) {
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objectArea = 0;
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}
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else if(!objectType.localeCompare('point')) {
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objectArea = 0;
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}
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else if(!objectType.localeCompare('quad')) {
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//x1y2+x2y3+x3y4+x4y1−x2y1−x3y2−x4y3−x1y4
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objectArea = (arguments[0]*arguments[1]+arguments[2]*arguments[3]+arguments[4]*arguments[5]+arguments[6]*arguments[7]) - (arguments[2]*arguments[1]+arguments[4]*arguments[3]+arguments[6]*arguments[5]+arguments[0]*arguments[7]);
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}
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else if(!objectType.localeCompare('rect')) {
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objectArea = arguments[2]*arguments[3];
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}
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else if(!objectType.localeCompare('triangle')) {
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objectArea = abs( arguments[0]*(arguments[3] - arguments[5]) + arguments[2]*(arguments[5] - arguments[1]) + arguments[4]*(arguments[1] - arguments[3]));
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//A x ( B y − C y ) + B x ( C y − A y ) + C x ( A y − B y )
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}
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return objectArea;
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},
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/* helper function to populate object Details */
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populateObjectDetails : function(object1, object2, elementSummary, elementDetail) {
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this.prevTotalCount = this.totalCount;
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this.totalCount = object1.objectCount + object2.objectCount;
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elementSummary.innerHTML = '';
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elementDetail.innerHTML = '';
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elementSummary.innerHTML += this.bgColor + ' canvas is ' + this.canvasDetails.width + ' by ' + this.canvasDetails.height + ' of area ' + this.canvasDetails.width*this.canvasDetails.height;
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if(this.totalCount > 1 ) {
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elementSummary.innerHTML += ' Contains ' + this.totalCount + ' objects - ';
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}
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else {
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elementSummary.innerHTML += ' Contains ' + this.totalCount + ' object - ';
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}
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if(object2.objectCount>0 || object1.objectCount>0 ) {
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totObjectTypeCount = MergeObjRecursive(object1.objectTypeCount, object2.objectTypeCount);
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var keys = Object.keys(totObjectTypeCount);
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for(var i=0;i<keys.length;i++) {
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elementSummary.innerHTML += totObjectTypeCount[keys[i]] + ' ' + keys[i] + ' ';
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}
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var objectList = document.createElement('ul');
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if(this.totalCount<100){
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for(var i=0; i <object1.objectArray.length; i++) {
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var objectListItem = document.createElement('li');
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objectListItem.id = 'object' + i;
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objectList.appendChild(objectListItem);
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var objKeys = Object.keys(object1.objectArray[i]);
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for(var j=0;j<objKeys.length;j++) {
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if(objKeys[j].localeCompare('coordLoc'))
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{
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if(objKeys[j].localeCompare('type')){
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objectListItem.innerHTML += objKeys[j] + ' = ' + object1.objectArray[i][objKeys[j]] + ' ';
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}
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else {
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objectListItem.innerHTML += object1.objectArray[i][objKeys[j]] + ' ';
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}
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}
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}
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}
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for(var i=0; i <object2.objectArray.length; i++) {
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var objectListItem = document.createElement('li');
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objectListItem.id = 'object' + (object1.objectArray.length + i);
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objectList.appendChild(objectListItem);
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var objKeys = Object.keys(object2.objectArray[i]);
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for(var j=0;j<objKeys.length;j++) {
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if(objKeys[j].localeCompare('coordLoc'))
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{
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if(objKeys[j].localeCompare('type')){
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objectListItem.innerHTML += objKeys[j] + ' = ' + object2.objectArray[i][objKeys[j]] + ' ';
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}
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else {
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objectListItem.innerHTML += object2.objectArray[i][objKeys[j]] + ' ';
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}
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}
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}
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}
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elementDetail.appendChild(objectList);
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}
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}
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}
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};
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