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https://github.com/piskelapp/piskel.git
synced 2023-08-10 21:12:52 +03:00
tablet touch and s-pen
This commit is contained in:
Alexander Holland
parent
ba33533178
commit
ea679913f9
417
src/js/controller/DrawingController.js~
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417
src/js/controller/DrawingController.js~
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(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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this.dragHandler = new ns.drawing.DragHandler(this);
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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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var cfg = {
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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, cfg, ['canvas-overlay']);
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this.renderer = new pskl.rendering.frame.CachedFrameRenderer(this.container, cfg, ['drawing-canvas']);
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this.onionSkinRenderer = pskl.rendering.OnionSkinRenderer.createInContainer(this.container, cfg, piskelController);
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this.layersRenderer = new pskl.rendering.layer.LayersRenderer(this.container, cfg, 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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.add(this.onionSkinRenderer);
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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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};
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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, this.onUserSettingsChange_.bind(this));
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$.subscribe(Events.FRAME_SIZE_CHANGED, this.onFrameSizeChange_.bind(this));
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pskl.app.shortcutService.addShortcut('0', this.resetZoom_.bind(this));
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pskl.app.shortcutService.addShortcut('+', this.increaseZoom_.bind(this, 1));
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pskl.app.shortcutService.addShortcut('-', this.decreaseZoom_.bind(this, 1));
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window.setTimeout(function () {
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this.afterWindowResize_();
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this.resetZoom_();
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}.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 || pskl.utils.UserAgent.isIE11) {
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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', $.proxy(this.onMousewheel_, this));
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}
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window.addEventListener('mouseup', this.onMouseup_.bind(this));
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window.addEventListener('mousemove', this.onMousemove_.bind(this));
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window.addEventListener('keyup', this.onKeyup_.bind(this));
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window.addEventListener('touchstart', this.onMousedown_.bind(this));
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window.addEventListener('touchmove' , this.onMousemove_.bind(this));
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window.addEventListener('touchend', this.onMouseup_.bind(this));
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// Deactivate right click:
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body.contextmenu(this.onCanvasContextMenu_);
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};
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ns.DrawingController.prototype.startResizeTimer_ = function () {
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if (this.resizeTimer) {
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window.clearInterval(this.resizeTimer);
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}
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this.resizeTimer = window.setTimeout($.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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$.publish(Events.ZOOM_CHANGED);
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};
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/**
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* @private
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*/
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ns.DrawingController.prototype.onUserSettingsChange_ = function (evt, settingsName, settingsValue) {
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if (settingsName == pskl.UserSettings.SHOW_GRID) {
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console.warn('DrawingController:onUserSettingsChange_ not implemented !');
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} else if (settingsName == pskl.UserSettings.ONION_SKIN || settingsName == pskl.UserSettings.LAYER_PREVIEW) {
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this.onionSkinRenderer.clear();
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this.onionSkinRenderer.flush();
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this.layersRenderer.clear();
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this.layersRenderer.flush();
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this.render();
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}
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};
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ns.DrawingController.prototype.onFrameSizeChange_ = function () {
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this.compositeRenderer.setDisplaySize(this.getContainerWidth_(), this.getContainerHeight_());
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this.centerColumnWrapperHorizontally_();
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this.compositeRenderer.setZoom(this.calculateZoom_());
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this.compositeRenderer.setOffset(0, 0);
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$.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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$.publish(Events.MOUSE_EVENT, [event, this]);
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var frame = this.piskelController.getCurrentFrame();
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var coords = this.getSpriteCoordinates(event.clientX, event.clientY);
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if (typeof event.targetTouches != 'undefined' &&
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typeof event.targetTouches[0] != 'undefined' &&
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typeof event.targetTouches[0].pageX != 'undefined' &&
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typeof event.targetTouches[0].pageY != 'undefined') {
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coords = this.getSpriteCoordinates(event.targetTouches[0].pageX, event.targetTouches[0].pageY);
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}
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this.isClicked = true;
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if (event.button === Constants.MIDDLE_BUTTON) {
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this.dragHandler.startDrag(event.clientX, event.clientY);
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} else {
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this.currentToolBehavior.hideHighlightedPixel(this.overlayFrame);
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$.publish(Events.TOOL_PRESSED);
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this.currentToolBehavior.applyToolAt(
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coords.x,
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coords.y,
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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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this._clientX = event.clientX;
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this._clientY = event.clientY;
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if (typeof event.targetTouches != 'undefined' &&
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typeof event.targetTouches[0] != 'undefined' &&
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typeof event.targetTouches[0].pageX != 'undefined' &&
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typeof event.targetTouches[0].pageY != 'undefined') {
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this._clientX = event.targetTouches[0].pageX;
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this._clientY = event.targetTouches[0].pageY;
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}
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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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this.moveTool_(this._clientX, this._clientY, event);
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this.previousMousemoveTime = currentTime;
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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.onKeyup_ = function (event) {
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this.moveTool_(this._clientX, this._clientY, event);
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};
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ns.DrawingController.prototype.moveTool_ = function (x, y, event) {
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var coords = this.getSpriteCoordinates(x, y);
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var currentFrame = this.piskelController.getCurrentFrame();
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if (this.isClicked) {
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if (pskl.app.mouseStateService.isMiddleButtonPressed()) {
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this.dragHandler.updateDrag(x, y);
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} else {
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$.publish(Events.MOUSE_EVENT, [event, this]);
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this.currentToolBehavior.moveToolAt(
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coords.x | 0,
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coords.y | 0,
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currentFrame,
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this.overlayFrame,
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event
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);
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}
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} else {
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this.currentToolBehavior.moveUnactiveToolAt(
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coords.x,
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coords.y,
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currentFrame,
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this.overlayFrame,
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event
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);
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}
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$.publish(Events.CURSOR_MOVED, [coords.x, coords.y]);
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};
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ns.DrawingController.prototype.onMousewheel_ = function (jQueryEvent) {
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var evt = jQueryEvent.originalEvent;
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// Ratio between wheelDeltaY (mousewheel event) and deltaY (wheel event) is -40
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var delta;
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if (pskl.utils.UserAgent.isChrome) {
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delta = evt.wheelDeltaY;
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} else if (pskl.utils.UserAgent.isIE11) {
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delta = evt.wheelDelta;
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} else if (pskl.utils.UserAgent.isFirefox) {
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delta = -40 * evt.deltaY;
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}
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var modifier = Math.abs(delta / 120);
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if (pskl.utils.UserAgent.isMac ? evt.metaKey : evt.ctrlKey) {
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modifier = modifier * 5;
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// prevent default to prevent the default browser UI resize
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evt.preventDefault();
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}
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if (delta > 0) {
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this.increaseZoom_(modifier);
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} else if (delta < 0) {
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this.decreaseZoom_(modifier);
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}
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};
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ns.DrawingController.prototype.increaseZoom_ = function (zoomMultiplier) {
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var step = (zoomMultiplier || 1) * this.getZoomStep_();
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this.setZoom_(this.renderer.getZoom() + step);
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};
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ns.DrawingController.prototype.decreaseZoom_ = function (zoomMultiplier) {
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var step = (zoomMultiplier || 1) * this.getZoomStep_();
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this.setZoom_(this.renderer.getZoom() - step);
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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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var frame = this.piskelController.getCurrentFrame();
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var coords = this.getSpriteCoordinates(event.clientX, event.clientY);
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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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if (pskl.app.mouseStateService.isMiddleButtonPressed()) {
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if (this.dragHandler.isDragging()) {
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this.dragHandler.stopDrag();
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} else if (frame.containsPixel(coords.x, coords.y)) {
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$.publish(Events.SELECT_PRIMARY_COLOR, [frame.getPixel(coords.x, coords.y)]);
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}
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} else {
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this.currentToolBehavior.releaseToolAt(
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coords.x,
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coords.y,
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this.piskelController.getCurrentFrame(),
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this.overlayFrame,
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event
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);
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$.publish(Events.TOOL_RELEASED);
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}
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$.publish(Events.MOUSE_EVENT, [event, this]);
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}
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};
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/**
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* Translate absolute x,y screen coordinates into sprite coordinates
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* @param {Number} screenX
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* @param {Number} screenY
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* @return {Object} {x:Number, y:Number}
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*/
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ns.DrawingController.prototype.getSpriteCoordinates = function(screenX, screenY) {
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return this.renderer.getCoordinates(screenX, screenY);
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};
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ns.DrawingController.prototype.getScreenCoordinates = function(spriteX, spriteY) {
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return this.renderer.reverseCoordinates(spriteX, spriteY);
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};
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/**
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* @private
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*/
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ns.DrawingController.prototype.onCanvasContextMenu_ = function (event) {
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if ($(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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if (pskl.UserSettings.get(pskl.UserSettings.ONION_SKIN)) {
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this.onionSkinRenderer.render();
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}
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if (pskl.UserSettings.get(pskl.UserSettings.LAYER_PREVIEW)) {
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this.layersRenderer.render();
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}
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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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var 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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var rightSectionWidth = $('.right-column').outerWidth(true);
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var toolsContainerWidth = $('#tool-section').outerWidth(true);
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var settingsContainerWidth = $('#application-action-section').outerWidth(true);
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var usedWidth = leftSectionWidth + rightSectionWidth + toolsContainerWidth + settingsContainerWidth;
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var availableWidth = $('#main-wrapper').width() - usedWidth;
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var comfortMargin = 10;
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return availableWidth - comfortMargin;
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};
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ns.DrawingController.prototype.getContainerHeight_ = function () {
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return this.getAvailableHeight_();
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};
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ns.DrawingController.prototype.getContainerWidth_ = function () {
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return this.getAvailableWidth_();
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};
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/**
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* @private
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*/
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ns.DrawingController.prototype.centerColumnWrapperHorizontally_ = function() {
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var containerHeight = this.getContainerHeight_();
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var verticalGapInPixel = Math.floor(($('#main-wrapper').height() - containerHeight) / 2);
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$('#column-wrapper').css({
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'top': verticalGapInPixel + 'px'
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});
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};
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ns.DrawingController.prototype.getRenderer = function () {
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return this.compositeRenderer;
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};
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ns.DrawingController.prototype.getOffset = function () {
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return this.compositeRenderer.getOffset();
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};
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ns.DrawingController.prototype.setOffset = function (x, y) {
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this.compositeRenderer.setOffset(x, y);
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$.publish(Events.ZOOM_CHANGED);
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};
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ns.DrawingController.prototype.resetZoom_ = function () {
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this.setZoom_(this.calculateZoom_());
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};
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ns.DrawingController.prototype.getZoomStep_ = function () {
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return Math.max(0.1, this.renderer.getZoom() / 15);
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};
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ns.DrawingController.prototype.setZoom_ = function (zoom) {
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this.compositeRenderer.setZoom(zoom);
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$.publish(Events.ZOOM_CHANGED);
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};
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})();
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