233 lines
6.3 KiB
TypeScript
233 lines
6.3 KiB
TypeScript
import { saveAs } from 'file-saver';
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import * as JSZip from 'jszip';
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import { CanvasHandler } from './canvas_handler';
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import { FileHandler } from './file_handler';
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import { FrameHandler } from './frame_handler';
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import { IAnimationData } from './Interfaces/IAnimationData';
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import { IProjectData } from './Interfaces/IProjectData';
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import { IFrame } from './Interfaces/IFrame';
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import { PinHandler } from './pin_handler';
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export class Page {
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private static handleDragOver(evt: DragEvent) {
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if (evt !== null) {
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evt.stopPropagation();
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evt.preventDefault();
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evt.dataTransfer!.dropEffect = 'copy'; // Explicitly show this is a copy.
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}
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}
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private pinHandler: PinHandler;
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private frameHandler: FrameHandler;
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private canvasHandler: CanvasHandler;
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private animationData: IAnimationData;
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private frameRateInput: HTMLInputElement;
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private loopingInput: HTMLInputElement;
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private canvasImage: HTMLCanvasElement;
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private canvasContext: CanvasRenderingContext2DSettings;
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private projectData: IProjectData;
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private filenameInput: HTMLInputElement;
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public Load() {
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// defining blank slate animation data
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this.animationData = {
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pins: [],
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originX: 0,
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originY: 0,
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frameRate: 30,
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loop: true,
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frames: [
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{
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filename: ''
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}
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]
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};
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// blank slate canvas data
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this.projectData = {
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currentFrame: 0,
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currentlySelectedPin: 0,
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width: 0,
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height: 0,
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widthRatio: 0,
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heightRatio: 0
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};
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const canvasElement = document.getElementById('canvasImage') as HTMLCanvasElement;
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const imageElement = new Image();
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this.pinHandler = new PinHandler(
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document.getElementById('addpin') as HTMLElement,
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document.getElementById('pinSettings') as HTMLElement,
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document.getElementById('pinContainer') as HTMLElement,
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document.getElementById('originPin') as HTMLElement,
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this.projectData,
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this.animationData
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);
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// setup canvas
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this.canvasHandler = new CanvasHandler(
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this.animationData,
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this.projectData,
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canvasElement,
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imageElement,
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document.getElementById('originInfo') as HTMLElement
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);
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// setup frame handler
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this.frameHandler = new FrameHandler(
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this.animationData,
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this.projectData,
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canvasElement,
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canvasElement.getContext('2d')!,
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document.getElementById('frameNumber') as HTMLElement,
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imageElement,
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this.projectData
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);
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// input elements
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this.frameRateInput = document.getElementById('framerate') as HTMLInputElement;
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this.frameRateInput.addEventListener('change', this.updateFrameRate);
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this.frameRateInput.value = this.animationData.frameRate.toString();
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this.loopingInput = document.getElementById('looping') as HTMLInputElement;
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this.loopingInput.addEventListener('change', this.updateLooping);
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this.filenameInput = document.getElementById('filename') as HTMLInputElement;
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const dropZone = document.getElementById('dropZone') as HTMLElement;
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dropZone.addEventListener('dragover', Page.handleDragOver, false);
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dropZone.addEventListener('drop', this.handleFileSelect, false);
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const keyDown = (event: KeyboardEvent) => {
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switch (event.keyCode) {
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case 48:
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case 49:
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case 50:
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case 51:
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case 52:
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case 53:
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case 54:
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case 55:
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case 56:
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case 57: {
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// goto frame w 1234567890
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if (event.keyCode === 48) {
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this.frameHandler.GoToFrame(9);
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} else {
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this.frameHandler.GoToFrame(event.keyCode - 49);
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}
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this.frameHandler.StopPlayingAnimation();
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break;
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}
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case 39:
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case 190: {
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// right_arrow, carrot
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console.log('next frame action');
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this.frameHandler.AdvanceFrames(1);
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this.frameHandler.StopPlayingAnimation();
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break;
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}
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case 37:
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case 188: {
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// left arrow, carrot
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console.log('previous frame action');
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this.frameHandler.AdvanceFrames(-1);
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this.frameHandler.StopPlayingAnimation();
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break;
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}
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case 40: {
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// down arrow
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this.frameHandler.GoToFrame(0);
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this.frameHandler.StopPlayingAnimation();
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break;
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}
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case 32: {
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// spacebar
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this.frameHandler.TogglePlayingAnimation();
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break;
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}
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case 83: {
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this.pinHandler.UpdateAnimationPinNames();
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const zip = new JSZip();
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// name of project
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const name = this.filenameInput.value;
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// .anim file
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zip.file(name + '.anim', JSON.stringify(this.animationData));
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// pngs
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const filenames = this.frameHandler.GetFilenames();
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for (let i = 0; i < filenames.length; i++) {
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const filedata = filenames[i].split('base64,')[1];
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const padding = i.toString().padStart(3, '0');
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zip.file(name + '_' + padding.toString() + '.png', filedata, { base64: true });
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}
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// save zip
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zip.generateAsync({ type: 'blob' }).then((content) => {
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// see FileSaver.js
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saveAs(content, name + '.zip');
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});
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}
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}
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};
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document.addEventListener('keydown', keyDown);
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}
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private handleFileSelect = async (event: DragEvent) => {
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event.stopPropagation();
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event.preventDefault();
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const filenames = await FileHandler.ProcessImages(event.dataTransfer!.files);
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this.frameHandler.loadFrames(filenames);
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const newFrames: IFrame[] = [];
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for (let i = 0; i < event.dataTransfer!.files.length; i++) {
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newFrames.push({
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filename: event.dataTransfer!.files[i].name
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});
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}
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this.animationData.frames = newFrames;
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this.frameHandler.GoToFrame(0);
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this.frameHandler.StopPlayingAnimation();
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this.frameHandler.TogglePlayingAnimation();
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this.canvasHandler.ResizeCanvas();
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// set framedata initialized to true
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};
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// private download(filename: string, text: string) {
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// var element = document.createElement('a');
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// element.setAttribute('href', 'data:text/plain;charset=utf-8,' + encodeURIComponent(text));
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// element.setAttribute('download', filename);
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// element.style.display = 'none';
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// document.body.appendChild(element);
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// element.click();
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// document.body.removeChild(element);
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// }
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private updateFrameRate = () => {
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this.animationData.frameRate = this.frameRateInput.valueAsNumber;
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this.frameHandler.StopPlayingAnimation();
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this.frameHandler.TogglePlayingAnimation();
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console.log('new frame rate = ' + this.animationData.frameRate);
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};
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private updateLooping = () => {
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this.animationData.loop = this.loopingInput.checked;
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console.log('new looping value = ' + this.loopingInput.checked);
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};
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}
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