mirror of
https://github.com/piskelapp/piskel.git
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Layer : demo under/layers
This commit is contained in:
Julian Descottes
139
layers/js/model/Frame.js
Normal file
139
layers/js/model/Frame.js
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@ -0,0 +1,139 @@
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(function () {
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var ns = $.namespace("pskl.model");
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ns.Frame = function (width, height) {
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if (width && height) {
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this.width = width;
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this.height = height;
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this.pixels = ns.Frame.createEmptyPixelGrid_(width, height);
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this.previousStates = [this.getPixels()];
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this.stateIndex = 0;
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} else {
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throw 'Bad arguments in pskl.model.Frame constructor : ' + width + ', ' + height;
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}
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};
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ns.Frame.fromPixelGrid = function (pixels) {
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if (pixels.length && pixels[0].length) {
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var w = pixels.length, h = pixels[0].length;
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var frame = new pskl.model.Frame(w, h);
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frame.setPixels(pixels);
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return frame;
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} else {
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throw 'Bad arguments in pskl.model.Frame.fromPixelGrid : ' + pixels;
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}
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};
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ns.Frame.createEmptyPixelGrid_ = function (width, height) {
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var pixels = []; //new Array(width);
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for (var columnIndex=0; columnIndex < width; columnIndex++) {
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var columnArray = [];
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for(var heightIndex = 0; heightIndex < height; heightIndex++) {
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columnArray.push(Constants.TRANSPARENT_COLOR);
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}
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pixels[columnIndex] = columnArray;
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}
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return pixels;
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};
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ns.Frame.createEmptyFromFrame = function (frame) {
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return new ns.Frame(frame.getWidth(), frame.getHeight());
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};
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ns.Frame.prototype.clone = function () {
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var clone = new ns.Frame(this.width, this.height);
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clone.setPixels(this.getPixels());
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return clone;
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};
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/**
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* Returns a copy of the pixels used by the frame
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*/
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ns.Frame.prototype.getPixels = function () {
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return this.clonePixels_(this.pixels);
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};
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/**
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* Copies the passed pixels into the frame.
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*/
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ns.Frame.prototype.setPixels = function (pixels) {
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this.pixels = this.clonePixels_(pixels);
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};
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ns.Frame.prototype.clear = function () {
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var pixels = ns.Frame.createEmptyPixelGrid_(this.getWidth(), this.getHeight());
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this.setPixels(pixels);
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};
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/**
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* Clone a set of pixels. Should be static utility method
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* @private
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*/
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ns.Frame.prototype.clonePixels_ = function (pixels) {
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var clonedPixels = [];
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for (var col = 0 ; col < pixels.length ; col++) {
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clonedPixels[col] = pixels[col].slice(0 , pixels[col].length);
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}
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return clonedPixels;
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};
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ns.Frame.prototype.serialize = function () {
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return JSON.stringify(this.pixels);
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};
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ns.Frame.prototype.setPixel = function (col, row, color) {
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this.pixels[col][row] = color;
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};
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ns.Frame.prototype.getPixel = function (col, row) {
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return this.pixels[col][row];
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};
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ns.Frame.prototype.forEachPixel = function (callback) {
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for (var col = 0 ; col < this.getWidth() ; col++) {
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for (var row = 0 ; row < this.getHeight() ; row++) {
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callback(this.getPixel(col, row), col, row);
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}
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}
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};
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ns.Frame.prototype.getWidth = function () {
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return this.width;
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};
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ns.Frame.prototype.getHeight = function () {
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return this.height;
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};
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ns.Frame.prototype.containsPixel = function (col, row) {
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return col >= 0 && row >= 0 && col < this.pixels.length && row < this.pixels[0].length;
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};
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ns.Frame.prototype.saveState = function () {
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// remove all states past current state
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this.previousStates.length = this.stateIndex + 1;
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// push new state
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this.previousStates.push(this.getPixels());
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// set the stateIndex to latest saved state
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this.stateIndex = this.previousStates.length - 1;
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};
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ns.Frame.prototype.loadPreviousState = function () {
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if (this.stateIndex > 0) {
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this.stateIndex--;
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this.setPixels(this.previousStates[this.stateIndex]);
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}
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};
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ns.Frame.prototype.loadNextState = function () {
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if (this.stateIndex < this.previousStates.length - 1) {
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this.stateIndex++;
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this.setPixels(this.previousStates[this.stateIndex]);
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}
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};
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ns.Frame.prototype.isSameSize = function (otherFrame) {
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return this.getHeight() == otherFrame.getHeight() && this.getWidth() == otherFrame.getWidth();
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};
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})();
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156
layers/js/model/FrameSheet.js
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156
layers/js/model/FrameSheet.js
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@ -0,0 +1,156 @@
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(function () {
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var ns = $.namespace("pskl.model");
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ns.FrameSheet = function (height, width) {
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this.width = width;
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this.height = height;
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this.frames = [];
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this.currentFrameIndex = 0;
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};
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ns.FrameSheet.prototype.getHeight = function () {
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return this.height;
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};
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ns.FrameSheet.prototype.getWidth = function () {
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return this.width;
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};
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ns.FrameSheet.prototype.addEmptyFrame = function () {
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this.addFrame(ns.Frame.createEmpty(this.width, this.height));
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};
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ns.FrameSheet.prototype.addFrame = function (frame) {
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this.frames.push(frame);
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};
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ns.FrameSheet.prototype.getCurrentFrame = function () {
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return this.frames[this.currentFrameIndex];
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};
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ns.FrameSheet.prototype.getFrameCount = function () {
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return this.frames.length;
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};
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ns.FrameSheet.prototype.setCurrentFrameIndex = function (index) {
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this.currentFrameIndex = index;
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$.publish(Events.CURRENT_FRAME_SET, [this.getCurrentFrame()]);
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$.publish(Events.FRAMESHEET_RESET); // Is it no to overkill to have this here ?
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};
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ns.FrameSheet.prototype.getUsedColors = function() {
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var colors = {};
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for (var frameIndex=0; frameIndex < this.frames.length; frameIndex++) {
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var frame = this.frames[frameIndex];
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for (var i = 0, width = frame.getWidth(); i < width ; i++) {
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var line = frame[i];
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for (var j = 0, height = frame.getHeight() ; j < height ; j++) {
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var pixel = frame.getPixel(i, j);
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colors[pixel] = pixel;
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}
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}
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}
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return colors;
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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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ns.FrameSheet.prototype.serialize = function() {
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var serializedFrames = [];
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for (var i = 0 ; i < this.frames.length ; i++) {
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serializedFrames.push(this.frames[i].serialize());
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}
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return '[' + serializedFrames.join(",") + ']';
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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 model 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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ns.FrameSheet.prototype.deserialize = function (serialized) {
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try {
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this.load(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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/**
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* Load a framesheet from a model 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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ns.FrameSheet.prototype.load = function (framesheet) {
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this.frames = [];
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for (var i = 0 ; i < framesheet.length ; i++) {
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var frameCfg = framesheet[i];
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this.addFrame(new ns.Frame(frameCfg));
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}
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if (this.hasFrameAtIndex(0)) {
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this.height = this.getFrameByIndex(0).getHeight();
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this.width = this.getFrameByIndex(0).getWidth();
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this.setCurrentFrameIndex(0);
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$.publish(Events.FRAME_SIZE_CHANGED);
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}
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$.publish(Events.FRAMESHEET_RESET);
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};
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ns.FrameSheet.prototype.hasFrameAtIndex = function(index) {
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return (index >= 0 && index < this.frames.length);
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};
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ns.FrameSheet.prototype.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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}
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if (!this.hasFrameAtIndex(index)) {
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throw "Out of bound index for frameSheet object.";
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}
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return this.frames[index];
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};
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ns.FrameSheet.prototype.removeFrameByIndex = function(index) {
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if(!this.hasFrameAtIndex(index)) {
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throw "Out of bound index for frameSheet object.";
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}
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this.frames.splice(index, 1);
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// Current frame index is impacted if the removed frame was before the current frame
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if (this.currentFrameIndex >= index) {
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this.setCurrentFrameIndex(this.currentFrameIndex - 1);
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}
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$.publish(Events.FRAMESHEET_RESET);
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};
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ns.FrameSheet.prototype.duplicateFrameByIndex = function(index) {
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var frame = this.getFrameByIndex(index);
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this.frames.splice(index + 1, 0, frame.clone());
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};
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ns.FrameSheet.prototype.moveFrame = function(originIndex, destinationIndex) {
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this.frames.splice(destinationIndex, 0, this.frames.splice(originIndex, 1)[0]);
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};
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ns.FrameSheet.prototype.swapFrames = function(indexFrame1, indexFrame2) {
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if(isNaN(indexFrame1) || isNaN(indexFrame1) ||
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(!this.hasFrameAtIndex(indexFrame1) && !this.hasFrameAtIndex(indexFrame2))) {
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throw "Bad indexes for swapFrames Framesheet function.";
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}
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if(indexFrame1 == indexFrame2) {
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return;
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}
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else {
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var swapFrame = this.frames[indexFrame1];
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this.frames[indexFrame1] = this.frames[indexFrame2];
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this.frames[indexFrame2] = swapFrame;
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}
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};
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})();
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82
layers/js/model/Layer.js
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82
layers/js/model/Layer.js
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@ -0,0 +1,82 @@
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(function () {
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var ns = $.namespace('pskl.model');
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ns.Layer = function (name) {
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if (!name) {
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throw 'Invalid arguments in Layer constructor : \'name\' is mandatory';
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} else {
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this.name = name;
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this.frames = [];
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}
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};
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ns.Layer.prototype.getName = function () {
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return this.name;
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};
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ns.Layer.prototype.getFrames = function () {
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return this.frames;
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};
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ns.Layer.prototype.getFrameAt = function (index) {
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return this.frames[index];
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};
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ns.Layer.prototype.addFrame = function (frame) {
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this.frames.push(frame);
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};
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ns.Layer.prototype.addFrameAt = function (frame, index) {
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this.frames.splice(index, 0, frame);
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};
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ns.Layer.prototype.removeFrame = function (frame) {
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var index = this.frames.indexOf(frame);
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this.removeFrameAt(index);
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};
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ns.Layer.prototype.removeFrameAt = function (index) {
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if (this.frames[index]) {
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this.frames.splice(index, 1);
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} else {
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throw 'Invalid index in removeFrameAt : ' + index + ' (size : ' + this.length() + ')';
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}
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};
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ns.Layer.prototype.moveFrame = function (fromIndex, toIndex) {
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var frame = this.frames.splice(fromIndex, 1)[0];
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this.frames.splice(toIndex, 0, frame);
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};
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ns.Layer.prototype.swapFramesAt = function (fromIndex, toIndex) {
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var fromFrame = this.frames[fromIndex];
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var toFrame = this.frames[toIndex];
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if (fromFrame && toFrame) {
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this.frames[toIndex] = fromFrame;
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this.frames[fromIndex] = toFrame;
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} else {
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console.log('frames', this.frames);
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console.log('fromIndex', fromIndex, 'toIndex', toIndex);
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throw 'Frame not found in moveFrameAt';
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}
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};
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ns.Layer.prototype.duplicateFrame = function (frame) {
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var index = this.frames.indexOf(frame);
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this.duplicateFrameAt();
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};
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ns.Layer.prototype.duplicateFrameAt = function (index) {
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var frame = this.frames[index];
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if (frame) {
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var clone = frame.clone();
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this.addFrameAt(clone, index);
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} else {
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throw 'Frame not found in duplicateFrameAt';
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}
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};
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ns.Layer.prototype.length = function () {
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return this.frames.length;
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};
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})();
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88
layers/js/model/Piskel.js
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88
layers/js/model/Piskel.js
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@ -0,0 +1,88 @@
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(function () {
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var ns = $.namespace('pskl.model');
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/**
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* @constructor
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* @param {Number} width
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* @param {Number} height
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*/
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ns.Piskel = function (width, height, fps) {
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if (width && height && fps) {
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/** @type {Array} */
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this.layers = [];
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/** @type {Number} */
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this.fps = fps;
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/** @type {Number} */
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this.width = width;
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/** @type {Number} */
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this.height = height;
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} else {
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throw 'Missing arguments in Piskel constructor : ' + Array.prototype.join.call(arguments, ",");
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}
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};
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ns.Piskel.prototype.getLayers = function () {
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return this.layers;
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};
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ns.Piskel.prototype.getHeight = function () {
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return this.height;
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};
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ns.Piskel.prototype.getWidth = function () {
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return this.width;
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};
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ns.Piskel.prototype.getFps = function () {
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return this.fps;
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};
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ns.Piskel.prototype.getLayers = function () {
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return this.layers;
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};
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ns.Piskel.prototype.getLayerAt = function (index) {
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return this.layers[index];
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};
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ns.Piskel.prototype.getLayersByName = function (name) {
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return this.layers.filter(function (l) {
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return l.getName() == name;
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});
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};
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ns.Piskel.prototype.addLayer = function (layer) {
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this.layers.push(layer);
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};
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ns.Piskel.prototype.moveLayerUp = function (layer) {
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var index = this.layers.indexOf(layer);
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if (index > -1 && index < this.layers.length-1) {
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this.layers[index] = this.layers[index+1];
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this.layers[index+1] = layer;
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}
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};
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ns.Piskel.prototype.moveLayerDown = function (layer) {
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var index = this.layers.indexOf(layer);
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if (index > 0) {
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this.layers[index] = this.layers[index-1];
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this.layers[index-1] = layer;
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}
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};
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ns.Piskel.prototype.removeLayer = function (layer) {
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var index = this.layers.indexOf(layer);
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if (index != -1) {
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this.layers.splice(index, 1);
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}
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};
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ns.Piskel.prototype.removeLayerAt = function (index) {
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this.layers.splice(index, 1);
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};
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})();
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