107 lines
No EOL
2.5 KiB
JavaScript
107 lines
No EOL
2.5 KiB
JavaScript
var FrameSheetModel = (function() {
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var inst;
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var frames = [];
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var width;
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var height;
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var createEmptyFrame_ = function() {
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var emptyFrame = new Array(width);
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for (var columnIndex=0; columnIndex < width; columnIndex++) {
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emptyFrame[columnIndex] = new Array(height);
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}
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return emptyFrame;
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};
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return {
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validate: function() {
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return true; // I'm always right dude
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},
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getAllPixels : function () {
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var pixels = [];
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for (var i = 0 ; i < frames.length ; i++) {
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pixels = pixels.concat(this._getFramePixels(frames[i]));
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}
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return pixels;
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},
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_getFramePixels : function (frame) {
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var pixels = [];
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for (var i = 0 ; i < frame.length ; i++) {
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var line = frame[i];
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for (var j = 0 ; j < line.length ; j++) {
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pixels.push(line[j]);
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}
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}
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return pixels;
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},
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// Could be used to pass around model using long GET param (good enough for simple models) and
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// do some temporary locastorage
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serialize: function() {
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return JSON.stringify(frames);
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},
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/**
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* Load a framesheet from a string that might have been persisted in db / localstorage
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* Overrides existing frames.
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* @param {String} serialized
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*/
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deserialize : function (serialized) {
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try {
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frames = JSON.parse(serialized);
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} catch (e) {
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throw "Could not load serialized framesheet." + e.message()
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}
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},
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addEmptyFrame: function() {
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frames.push(createEmptyFrame_());
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},
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getFrameCount: function() {
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return frames.length;
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},
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getFrameByIndex: function(index) {
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if (isNaN(index)) {
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throw "Bad argument value for getFrameByIndex method: <" + index + ">"
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} else if (index < 0 || index > frames.length) {
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throw "Out of bound index for frameSheet object."
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}
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return frames[index];
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},
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removeFrameByIndex: function(index) {
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if(index < 0 || index > inst.getFrameCount()) {
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throw "Bad index value for removeFrameByIndex.";
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}
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frames.splice(index, 1);
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},
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duplicateFrameByIndex: function(frameToDuplicateIndex) {
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var frame = inst.getFrameByIndex(frameToDuplicateIndex);
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var clonedFrame = [];
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for(var i=0, l=frame.length; i<l; i++) {
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clonedFrame.push(frame[i].slice(0));
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}
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frames.splice(frameToDuplicateIndex + 1, 0, clonedFrame);
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},
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getInstance: function(width_, height_) {
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if (isNaN(width_) || isNaN(height_)) {
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throw "Bad FrameSheetModel initialization in getInstance method.";
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}
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inst = this;
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width = width_;
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height = height_;
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return inst;
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}
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}
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})(); |