mirror of
https://github.com/piskelapp/piskel.git
synced 2023-08-10 21:12:52 +03:00
1db937ae01
- new checkbox in resize panel - content is resized using nearest neighbor - deactivated by default 2 bug fixes : - remove focus after closing drawer - fire resize event after undo/redo if size changed
331 lines
11 KiB
JavaScript
331 lines
11 KiB
JavaScript
(function () {
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var ns = $.namespace("pskl.controller");
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ns.DrawingController = function (piskelController, paletteController, container) {
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/**
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* @public
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*/
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this.piskelController = piskelController;
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this.paletteController = paletteController;
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/**
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* @public
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*/
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this.overlayFrame = pskl.model.Frame.createEmptyFromFrame(piskelController.getCurrentFrame());
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/**
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* @private
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*/
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this.container = container;
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// TODO(vincz): Store user prefs in a localstorage string ?
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var renderingOptions = {
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"zoom": this.calculateZoom_(),
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"supportGridRendering" : true,
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"height" : this.getContainerHeight_(),
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"width" : this.getContainerWidth_(),
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"xOffset" : 0,
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"yOffset" : 0
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};
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this.overlayRenderer = new pskl.rendering.frame.CachedFrameRenderer(this.container, renderingOptions, ["canvas-overlay"]);
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this.renderer = new pskl.rendering.frame.CachedFrameRenderer(this.container, renderingOptions, ["drawing-canvas"]);
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this.layersRenderer = new pskl.rendering.layer.LayersRenderer(this.container, renderingOptions, piskelController);
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this.compositeRenderer = new pskl.rendering.CompositeRenderer();
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this.compositeRenderer
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.add(this.overlayRenderer)
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.add(this.renderer)
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.add(this.layersRenderer);
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// State of drawing controller:
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this.isClicked = false;
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this.previousMousemoveTime = 0;
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this.currentToolBehavior = null;
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// State of clicked button (need to be stateful here, see comment in getCurrentColor_)
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this.currentMouseButton_ = Constants.LEFT_BUTTON;
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};
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ns.DrawingController.prototype.init = function () {
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this.initMouseBehavior();
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$.subscribe(Events.TOOL_SELECTED, $.proxy(function(evt, toolBehavior) {
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this.currentToolBehavior = toolBehavior;
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this.overlayFrame.clear();
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}, this));
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$(window).resize($.proxy(this.startResizeTimer_, this));
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$.subscribe(Events.USER_SETTINGS_CHANGED, $.proxy(this.onUserSettingsChange_, this));
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$.subscribe(Events.FRAME_SIZE_CHANGED, $.proxy(this.onFrameSizeChanged_, this));
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window.setTimeout(this.afterWindowResize_.bind(this), 100);
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};
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ns.DrawingController.prototype.initMouseBehavior = function() {
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var body = $('body');
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this.container.mousedown($.proxy(this.onMousedown_, this));
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if (pskl.utils.UserAgent.isChrome) {
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this.container.on('mousewheel', $.proxy(this.onMousewheel_, this));
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} else {
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this.container.on('wheel', $.proxy(this.onMousewheel_, this));
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}
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window.addEventListener('mouseup', this.onMouseup_.bind(this));
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window.addEventListener('mousemove', this.onMousemove_.bind(this));
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// Deactivate right click:
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body.contextmenu(this.onCanvasContextMenu_);
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};
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ns.DrawingController.prototype.startResizeTimer_ = function () {
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if (this.resizeTimer) {
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window.clearInterval(this.resizeTimer);
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}
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this.resizeTimer = window.setTimeout($.proxy(this.afterWindowResize_, this), 200);
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};
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ns.DrawingController.prototype.afterWindowResize_ = function () {
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var initialWidth = this.compositeRenderer.getDisplaySize().width;
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this.compositeRenderer.setDisplaySize(this.getContainerWidth_(), this.getContainerHeight_());
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this.centerColumnWrapperHorizontally_();
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var ratio = this.compositeRenderer.getDisplaySize().width / initialWidth;
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var newZoom = ratio * this.compositeRenderer.getZoom();
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this.compositeRenderer.setZoom(newZoom);
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$.publish(Events.ZOOM_CHANGED);
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};
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/**
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* @private
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*/
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ns.DrawingController.prototype.onUserSettingsChange_ = function (evt, settingsName, settingsValue) {
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if(settingsName == pskl.UserSettings.SHOW_GRID) {
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console.warn('DrawingController:onUserSettingsChange_ not implemented !');
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}
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};
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ns.DrawingController.prototype.onFrameSizeChanged_ = function () {
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this.compositeRenderer.setDisplaySize(this.getContainerWidth_(), this.getContainerHeight_());
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this.compositeRenderer.setZoom(this.calculateZoom_());
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this.compositeRenderer.setOffset(0, 0);
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$.publish(Events.ZOOM_CHANGED);
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};
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/**
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* @private
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*/
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ns.DrawingController.prototype.onMousedown_ = function (event) {
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var frame = this.piskelController.getCurrentFrame();
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var coords = this.renderer.getCoordinates(event.clientX, event.clientY);
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if (event.button === Constants.MIDDLE_BUTTON) {
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if (frame.containsPixel(coords.x, coords.y)) {
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$.publish(Events.SELECT_PRIMARY_COLOR, [frame.getPixel(coords.x, coords.y)]);
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}
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} else {
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this.isClicked = true;
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this.setCurrentButton(event);
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this.currentToolBehavior.hideHighlightedPixel(this.overlayFrame);
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this.currentToolBehavior.applyToolAt(
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coords.x,
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coords.y,
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this.getCurrentColor_(),
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frame,
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this.overlayFrame,
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event
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);
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}
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};
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/**
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* @private
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*/
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ns.DrawingController.prototype.onMousemove_ = function (event) {
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var currentTime = new Date().getTime();
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// Throttling of the mousemove event:
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if ((currentTime - this.previousMousemoveTime) > Constants.MOUSEMOVE_THROTTLING ) {
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var coords = this.renderer.getCoordinates(event.clientX, event.clientY);
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var currentFrame = this.piskelController.getCurrentFrame();
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if (this.isClicked) {
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// Warning : do not call setCurrentButton here
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// mousemove do not have the correct mouse button information on all browsers
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this.currentToolBehavior.moveToolAt(
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coords.x | 0,
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coords.y | 0,
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this.getCurrentColor_(event),
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currentFrame,
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this.overlayFrame,
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event
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);
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} else {
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this.currentToolBehavior.moveUnactiveToolAt(
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coords.x,
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coords.y,
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this.getCurrentColor_(event),
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currentFrame,
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this.overlayFrame,
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event
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);
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}
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$.publish(Events.CURSOR_MOVED, [coords.x, coords.y]);
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this.previousMousemoveTime = currentTime;
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}
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};
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ns.DrawingController.prototype.onMousewheel_ = function (jQueryEvent) {
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var event = jQueryEvent.originalEvent;
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var delta = event.wheelDeltaY || (-2 * event.deltaY);
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var currentZoom = this.renderer.getZoom();
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var perfectZoom = this.calculateZoom_();
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var step = perfectZoom / 10;
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if (delta > 0) {
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this.compositeRenderer.setZoom(currentZoom + step);
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} else if (delta < 0) {
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this.compositeRenderer.setZoom(currentZoom - step);
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}
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$.publish(Events.ZOOM_CHANGED);
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};
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/**
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* @private
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*/
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ns.DrawingController.prototype.onMouseup_ = function (event) {
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if(this.isClicked) {
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// A mouse button was clicked on the drawing canvas before this mouseup event,
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// the user was probably drawing on the canvas.
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// Note: The mousemove movement (and the mouseup) may end up outside
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// of the drawing canvas.
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this.isClicked = false;
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this.setCurrentButton(event);
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var coords = this.renderer.getCoordinates(event.clientX, event.clientY);
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this.currentToolBehavior.releaseToolAt(
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coords.x,
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coords.y,
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this.getCurrentColor_(),
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this.piskelController.getCurrentFrame(),
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this.overlayFrame,
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event
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);
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$.publish(Events.TOOL_RELEASED);
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}
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};
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/**
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* @private
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*/
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ns.DrawingController.prototype.getSpriteCoordinates = function(event) {
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return this.renderer.getCoordinates(event.clientX, event.clientY);
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};
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ns.DrawingController.prototype.setCurrentButton = function (event) {
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this.currentMouseButton_ = event.button;
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};
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/**
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* @private
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*/
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ns.DrawingController.prototype.getCurrentColor_ = function () {
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// WARNING : Do not rely on the current event to get the current color!
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// It might seem like a good idea, and works perfectly fine on Chrome
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// Sadly Firefox and IE found clever, for some reason, to set event.button to 0
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// on a mouse move event
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// This always matches a LEFT mouse button which is __really__ not helpful
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if(this.currentMouseButton_ == Constants.RIGHT_BUTTON) {
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return this.paletteController.getSecondaryColor();
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} else if(this.currentMouseButton_ == Constants.LEFT_BUTTON) {
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return this.paletteController.getPrimaryColor();
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} else {
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return Constants.DEFAULT_PEN_COLOR;
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}
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};
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/**
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* @private
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*/
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ns.DrawingController.prototype.onCanvasContextMenu_ = function (event) {
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if ($(event.target).closest('#drawing-canvas-container').length) {
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// Deactivate right click on drawing canvas only.
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event.preventDefault();
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event.stopPropagation();
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event.cancelBubble = true;
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return false;
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}
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};
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ns.DrawingController.prototype.render = function () {
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var currentFrame = this.piskelController.getCurrentFrame();
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if (!currentFrame.isSameSize(this.overlayFrame)) {
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this.overlayFrame = pskl.model.Frame.createEmptyFromFrame(currentFrame);
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}
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this.layersRenderer.render();
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this.renderer.render(currentFrame);
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this.overlayRenderer.render(this.overlayFrame);
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};
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/**
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* @private
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*/
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ns.DrawingController.prototype.calculateZoom_ = function() {
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var frameHeight = this.piskelController.getCurrentFrame().getHeight(),
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frameWidth = this.piskelController.getCurrentFrame().getWidth();
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return Math.min(this.getAvailableWidth_()/frameWidth, this.getAvailableHeight_()/frameHeight);
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};
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ns.DrawingController.prototype.getAvailableHeight_ = function () {
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return $('#main-wrapper').height();
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};
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ns.DrawingController.prototype.getAvailableWidth_ = function () {
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var leftSectionWidth = $('.left-column').outerWidth(true),
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rightSectionWidth = $('.right-column').outerWidth(true),
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toolsContainerWidth = $('#tool-section').outerWidth(true),
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settingsContainerWidth = $('#application-action-section').outerWidth(true),
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availableWidth = $('#main-wrapper').width() - leftSectionWidth - rightSectionWidth - toolsContainerWidth - settingsContainerWidth;
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var comfortMargin = 10;
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return availableWidth - comfortMargin;
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};
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ns.DrawingController.prototype.getContainerHeight_ = function () {
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return this.calculateZoom_() * this.piskelController.getCurrentFrame().getHeight();
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};
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ns.DrawingController.prototype.getContainerWidth_ = function () {
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return this.calculateZoom_() * this.piskelController.getCurrentFrame().getWidth();
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};
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/**
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* @private
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*/
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ns.DrawingController.prototype.centerColumnWrapperHorizontally_ = function() {
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var containerHeight = this.getContainerHeight_();
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var verticalGapInPixel = Math.floor(($('#main-wrapper').height() - containerHeight) / 2);
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$('#column-wrapper').css({
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'top': verticalGapInPixel + 'px'
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});
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};
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ns.DrawingController.prototype.getRenderer = function () {
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return this.compositeRenderer;
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};
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ns.DrawingController.prototype.setOffset = function (x, y) {
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this.compositeRenderer.setOffset(x, y);
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$.publish(Events.ZOOM_CHANGED);
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};
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})(); |