2014-07-12 17:34:50 +04:00
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(function () {
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var ns = $.namespace('pskl.controller.dialogs');
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var PREVIEW_HEIGHT = 60;
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ns.ImportImageController = function (piskelController) {
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this.importedImage_ = null;
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this.file_ = null;
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};
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pskl.utils.inherit(ns.ImportImageController, ns.AbstractDialogController);
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ns.ImportImageController.prototype.init = function (file) {
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this.superclass.init.call(this);
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this.file_ = file;
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this.importPreview = $('.import-section-preview');
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this.fileNameContainer = $('.import-image-file-name');
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this.resizeWidth = $('[name=resize-width]');
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this.resizeHeight = $('[name=resize-height]');
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this.smoothResize = $('[name=smooth-resize-checkbox]');
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this.resizeWidth.keyup(this.onResizeInputKeyUp_.bind(this, 'width'));
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this.resizeHeight.keyup(this.onResizeInputKeyUp_.bind(this, 'height'));
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this.importImageForm = $('[name=import-image-form]');
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this.importImageForm.submit(this.onImportFormSubmit_.bind(this));
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2014-09-07 16:31:28 +04:00
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pskl.utils.FileUtils.readImageFile(this.file_, this.onImageLoaded_.bind(this));
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2014-07-12 17:34:50 +04:00
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};
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ns.ImportImageController.prototype.onImportFormSubmit_ = function (evt) {
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evt.originalEvent.preventDefault();
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this.importImageToPiskel_();
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};
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ns.ImportImageController.prototype.onResizeInputKeyUp_ = function (from, evt) {
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if (this.importedImage_) {
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this.synchronizeResizeFields_(evt.target.value, from);
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}
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};
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ns.ImportImageController.prototype.synchronizeResizeFields_ = function (value, from) {
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value = parseInt(value, 10);
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if (isNaN(value)) {
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value = 0;
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}
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var height = this.importedImage_.height, width = this.importedImage_.width;
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if (from === 'width') {
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this.resizeHeight.val(Math.round(value * height / width));
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} else {
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this.resizeWidth.val(Math.round(value * width / height));
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}
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};
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2014-09-07 16:31:28 +04:00
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ns.ImportImageController.prototype.onImageLoaded_ = function (image) {
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this.importedImage_ = image;
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2014-07-12 17:34:50 +04:00
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var w = this.importedImage_.width,
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h = this.importedImage_.height;
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// FIXME : We remove the onload callback here because JsGif will insert
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// the image again and we want to avoid retriggering the image onload
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this.importedImage_.onload = function () {};
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var fileName = this.extractFileNameFromPath_(this.file_.name);
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this.fileNameContainer.html(fileName);
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this.resizeWidth.val(w);
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this.resizeHeight.val(h);
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this.importPreview.width('auto');
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this.importPreview.html('');
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this.importPreview.append(this.createImagePreview_());
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};
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ns.ImportImageController.prototype.createImagePreview_ = function () {
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var image = document.createElement('IMG');
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image.src = this.importedImage_.src;
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image.setAttribute('height', PREVIEW_HEIGHT);
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return image;
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};
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ns.ImportImageController.prototype.extractFileNameFromPath_ = function (path) {
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var parts = [];
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if (path.indexOf('/') !== -1) {
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parts = path.split('/');
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} else if (path.indexOf('\\') !== -1) {
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parts = path.split('\\');
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} else {
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parts = [path];
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}
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return parts[parts.length-1];
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};
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ns.ImportImageController.prototype.importImageToPiskel_ = function () {
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var image = this.importedImage_;
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if (image) {
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if (window.confirm('You are about to create a new Piskel, unsaved changes will be lost.')) {
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var gifLoader = new window.SuperGif({
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gif : image
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});
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gifLoader.load({
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success : function(){
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var images = gifLoader.getFrames().map(function (frame) {
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return pskl.CanvasUtils.createFromImageData(frame.data);
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});
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this.createPiskelFromImages_(images);
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this.closeDialog();
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}.bind(this),
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error : function () {
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this.createPiskelFromImages_([image]);
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this.closeDialog();
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}.bind(this)
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});
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}
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}
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};
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ns.ImportImageController.prototype.createFramesFromImages_ = function (images) {
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var w = this.resizeWidth.val();
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var h = this.resizeHeight.val();
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var smoothing = !!this.smoothResize.prop('checked');
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var frames = images.map(function (image) {
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var resizedImage = pskl.utils.ImageResizer.resize(image, w, h, smoothing);
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return pskl.utils.FrameUtils.createFromImage(resizedImage);
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});
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return frames;
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};
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ns.ImportImageController.prototype.createPiskelFromImages_ = function (images) {
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var frames = this.createFramesFromImages_(images);
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var layer = pskl.model.Layer.fromFrames('Layer 1', frames);
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var descriptor = new pskl.model.piskel.Descriptor('Imported piskel', '');
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var piskel = pskl.model.Piskel.fromLayers([layer], descriptor);
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pskl.app.piskelController.setPiskel(piskel);
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pskl.app.animationController.setFPS(Constants.DEFAULT.FPS);
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};
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})();
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