piskel/js/piskel.js

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/**
* @require Constants
* @require Events
*/
(function () {
var ns = $.namespace("pskl");
/**
* FrameSheetModel instance.
*/
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var frameSheet;
/**
* Main application controller
*/
ns.app = {
init : function () {
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var frameSize = this.readSizeFromURL_();
frameSheet = new pskl.model.FrameSheet(frameSize.height, frameSize.width);
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frameSheet.addEmptyFrame();
frameSheet.setCurrentFrameIndex(0);
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this.drawingController = new pskl.controller.DrawingController(frameSheet, $('#drawing-canvas-container'));
this.drawingController.init();
this.animationController = new pskl.controller.AnimatedPreviewController(frameSheet, $('#preview-canvas-container'));
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this.animationController.init();
this.previewsController = new pskl.controller.PreviewFilmController(frameSheet, $('#preview-list'));
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this.previewsController.init();
this.settingsController = new pskl.controller.SettingsController();
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this.settingsController.init();
this.selectionManager = new pskl.selection.SelectionManager(frameSheet);
this.selectionManager.init();
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this.historyService = new pskl.service.HistoryService(frameSheet);
this.historyService.init();
this.keyboardEventService = new pskl.service.KeyboardEventService();
this.keyboardEventService.init();
this.notificationController = new pskl.controller.NotificationController();
this.notificationController.init();
this.localStorageService = new pskl.service.LocalStorageService(frameSheet);
this.localStorageService.init();
this.toolController = new pskl.controller.ToolController();
this.toolController.init();
this.paletteController = new pskl.controller.PaletteController();
this.paletteController.init(frameSheet);
var drawingLoop = new pskl.rendering.DrawingLoop();
drawingLoop.addCallback(this.render, this);
drawingLoop.start();
// Init (event-delegated) bootstrap tooltips:
$('body').tooltip({
selector: '[rel=tooltip]'
});
/**
* True when piskel is running in static mode (no back end needed).
* When started from APP Engine, appEngineToken_ (Boolean) should be set on window.pskl
*/
this.isStaticVersion = !pskl.appEngineToken_;
if (this.isStaticVersion) {
var framesheetId = this.readFramesheetIdFromURL_();
if (framesheetId) {
$.publish(Events.SHOW_NOTIFICATION, [{"content": "Loading animation with id : [" + framesheetId + "]"}]);
this.loadFramesheetFromService(framesheetId);
} else {
this.localStorageService.displayRestoreNotification();
}
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} else {
if (pskl.framesheetData_) {
frameSheet.load(pskl.framesheetData_);
}
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}
},
render : function (delta) {
this.drawingController.render(delta);
this.animationController.render(delta);
this.previewsController.render(delta);
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},
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readSizeFromURL_ : function () {
var sizeParam = this.readUrlParameter_("size"), size;
// parameter expected as size=64x48 => size=widthxheight
var parts = sizeParam.split("x");
if (parts && parts.length == 2 && !isNaN(parts[0]) && !isNaN(parts[1])) {
var width = parseInt(parts[0], 10),
height = parseInt(parts[1], 10);
size = {
height : Math.min(height, Constants.MAX_HEIGHT),
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width : Math.min(width, Constants.MAX_WIDTH)
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};
} else {
size = Constants.DEFAULT_SIZE;
}
return size;
},
readFramesheetIdFromURL_ : function() {
return this.readUrlParameter_("frameId");
},
readUrlParameter_ : function (paramName) {
var searchString = window.location.search.substring(1),
i, val, params = searchString.split("&");
for (i=0;i<params.length;i++) {
val = params[i].split("=");
if (val[0] == paramName) {
return unescape(val[1]);
}
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}
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return "";
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},
loadFramesheetFromService : function (frameId) {
var xhr = new XMLHttpRequest();
xhr.open('GET', Constants.PISKEL_SERVICE_URL + '/get?l=' + frameId, true);
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xhr.responseType = 'text';
xhr.onload = function(e) {
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var res = JSON.parse(this.responseText);
frameSheet.load(res.framesheet);
pskl.app.animationController.setFPS(res.fps);
$.publish(Events.HIDE_NOTIFICATION);
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};
xhr.onerror = function () {
$.publish(Events.HIDE_NOTIFICATION);
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};
xhr.send();
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},
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getFirstFrameAsPNGData_ : function () {
var tmpSheet = new pskl.model.FrameSheet(frameSheet.getWidth(), frameSheet.getHeight());
tmpSheet.addFrame(frameSheet.getFrameByIndex(0));
return (new pskl.rendering.SpritesheetRenderer(tmpSheet)).renderAsImageDataSpritesheetPNG();
},
// TODO(julz): Create package ?
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storeSheet : function (event) {
var xhr = new XMLHttpRequest();
var formData = new FormData();
formData.append('framesheet_content', frameSheet.serialize());
formData.append('fps_speed', $('#preview-fps').val());
if (this.isStaticVersion) {
// anonymous save on old app-engine backend
xhr.open('POST', Constants.PISKEL_SERVICE_URL + "/store", true);
} else {
// additional values only used with latest app-engine backend
formData.append('name', $('#piskel-name').val());
formData.append('frames', frameSheet.getFrameCount());
// Get image/png data for first frame
formData.append('preview', this.getFirstFrameAsPNGData_());
xhr.open('POST', "save", true);
}
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xhr.onload = function(e) {
if (this.status == 200) {
if (pskl.app.isStaticVersion) {
var baseUrl = window.location.href.replace(window.location.search, "");
window.location.href = baseUrl + "?frameId=" + this.responseText;
} else {
$.publish(Events.SHOW_NOTIFICATION, [{"content": "Successfully saved !"}]);
}
} else {
this.onerror(e);
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}
};
xhr.onerror = function(e) {
$.publish(Events.SHOW_NOTIFICATION, [{"content": "Saving failed ("+this.status+")"}]);
};
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xhr.send(formData);
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if(event) {
event.stopPropagation();
event.preventDefault();
}
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return false;
},
uploadToScreenletstore : function(imageData) {
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var xhr = new XMLHttpRequest();
var formData = new FormData();
formData.append('data', imageData);
xhr.open('POST', "http://screenletstore.appspot.com/__/upload", true);
var cloudURL;
var that = this;
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xhr.onload = function(e) {
if (this.status == 200) {
cloudURL = "http://screenletstore.appspot.com/img/" + this.responseText;
that.openWindow(cloudURL);
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}
};
xhr.send(formData);
},
uploadAsAnimatedGIF : function () {
var fps = pskl.app.animationController.fps;
var imageData = (new pskl.rendering.SpritesheetRenderer(frameSheet)).renderAsImageDataAnimatedGIF(fps);
this.uploadToScreenletstore(imageData);
},
uploadAsSpritesheetPNG : function () {
var imageData = (new pskl.rendering.SpritesheetRenderer(frameSheet)).renderAsImageDataSpritesheetPNG();
this.uploadToScreenletstore(imageData);
},
openWindow: function(url) {
var options = [
"dialog=yes", "scrollbars=no", "status=no",
"width=" + frameSheet.getWidth() * frameSheet.getFrameCount(),
"height=" + frameSheet.getHeight()
].join(",");
window.open(url, "piskel-export", options);
}
};
pskl.app.init();
})();