Creation de la base du glitcher
This commit is contained in:
@@ -0,0 +1,55 @@
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/*=============Typo*/
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@font-face {
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font-family: 'lineal';
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src: url('../typo/Lineal-Heavy.ttf');
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}
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@font-face {
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font-family: 'pressStart2P';
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src: url('../typo/PressStart2P-Regular.ttf');
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}
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@font-face {
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font-family: 'velvelyne';
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src: url('../typo/Velvelyne-Light.ttf') format('truetype');
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font-weight:lighter;
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}
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@font-face {
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font-family: 'velvelyne';
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src:url('../typo/Velvelyne-Bold.ttf') format('truetype');
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font-weight: bold;
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}
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/*============General*/
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body, html {
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padding: 0;
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margin: 0;
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}
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:root {
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--back-color: black;
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--main-color: white;
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--accent-color: #3CFF00;
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--neon-color: #3CFF00;
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color: var(--main-color);
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font-size: 1rem;
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background: var(--back-color);
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font-family: 'velvelyne', sans-serif;
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font-weight: bold;
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}
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h1 {
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font-family: 'lineal', sans-serif;
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font-weight: bolder;
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}
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#ui-canvas {
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display: block;
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margin-left: auto;
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margin-right: auto;
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max-width: 100vw;
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max-height: 100vh;
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}
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@@ -0,0 +1,28 @@
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import { Glitcher } from "./lib/glitcher";
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const UI_GLITCHER = new Glitcher(document.getElementById("ui-canvas"))
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const FORM = document.getElementById("glitcher-form")
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async function updateFromForm(){
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let data = new FormData(FORM)
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let image = data.get("image")
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if(image){
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await UI_GLITCHER.setImage(image)
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} else {
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UI_GLITCHER.clearImage()
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}
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UI_GLITCHER.render()
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}
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for(let el of FORM.elements){
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el.addEventListener("change", () => FORM.requestSubmit())
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}
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FORM.addEventListener("submit", e => {
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e.preventDefault()
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updateFromForm()
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})
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updateFromForm()
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@@ -0,0 +1,25 @@
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<link rel="stylesheet" href="glitcher.css">
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<title>Drags&Nerds Glitcher</title>
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</head>
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<body>
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<form id="glitcher-form">
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<div id="welcome-panel">
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<h1>Glitcher</h1>
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<p>Séléctionne un photo pour la glitcher</p>
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<input type="file" name="image" accept="image/jpg, image/jpeg,image/png,image/webp" />
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</div>
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<div id="glitch-panel">
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<canvas id="ui-canvas"></canvas>
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</div>
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</form>
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<script type="module" src="glitcher.js"></script>
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</body>
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</html>
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@@ -0,0 +1,6 @@
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varying highp vec2 vTextureCoord;
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uniform sampler2D uImageSampler;
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void main() {
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gl_FragColor = texture2D(uImageSampler, vTextureCoord);
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}
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@@ -0,0 +1,9 @@
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attribute vec4 aVertexPosition;
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attribute vec2 aTextureCoord;
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varying highp vec2 vTextureCoord;
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void main() {
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gl_Position = aVertexPosition;
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vTextureCoord = aTextureCoord;
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}
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@@ -0,0 +1,221 @@
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import resizeToFit from 'intrinsic-scale';
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import baseVertSource from "./base.vert?raw"
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import baseFragSource from "./base.frag?raw"
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export class Glitcher {
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/** @type {HTMLCanvasElement} */
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canvas
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/**
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* @param {HTMLCanvasElement} canvas
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*/
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constructor(canvas) {
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this.canvas = canvas
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this.init()
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}
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init(){
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this.ctx = this.canvas.getContext("webgl")
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if(!this.ctx){
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throw new Error("WebGL isn't supported")
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}
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let baseVertShader = this.ctx.createShader(this.ctx.VERTEX_SHADER)
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this.ctx.shaderSource(baseVertShader, baseVertSource)
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this.ctx.compileShader(baseVertShader)
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if (!this.ctx.getShaderParameter(baseVertShader, this.ctx.COMPILE_STATUS)) {
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throw new Error(`failed to compile base.vert: ${this.ctx.getShaderInfoLog(baseVertShader)}`)
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}
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let baseFragShader = this.ctx.createShader(this.ctx.FRAGMENT_SHADER)
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this.ctx.shaderSource(baseFragShader, baseFragSource)
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this.ctx.compileShader(baseFragShader)
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if (!this.ctx.getShaderParameter(baseFragShader, this.ctx.COMPILE_STATUS)) {
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throw new Error(`failed to compile base.frag: ${this.ctx.getShaderInfoLog(baseFragShader)}`)
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}
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let baseShaderProgram = this.ctx.createProgram()
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this.ctx.attachShader(baseShaderProgram, baseVertShader)
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this.ctx.attachShader(baseShaderProgram, baseFragShader)
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this.ctx.linkProgram(baseShaderProgram)
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if (!this.ctx.getProgramParameter(baseShaderProgram, this.ctx.LINK_STATUS)) {
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throw new Error(`failed to link base shaders: ${this.ctx.getProgramInfoLog(baseShaderProgram)}`)
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}
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this.baseProgram = baseShaderProgram;
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this.aVertexPosition = this.ctx.getAttribLocation(baseShaderProgram, "aVertexPosition")
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this.aTextureCoord = this.ctx.getAttribLocation(baseShaderProgram, "aTextureCoord")
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this.uImageSampler = this.ctx.getUniformLocation(baseShaderProgram, "uImageSampler")
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let panelPositionBuffer = this.ctx.createBuffer()
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this.ctx.bindBuffer(this.ctx.ARRAY_BUFFER, panelPositionBuffer)
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const positions = [
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-1.0, 1.0,
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1.0, 1.0,
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-1.0, -1.0,
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1.0, -1.0,
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]
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this.ctx.bufferData(this.ctx.ARRAY_BUFFER, new Float32Array(positions), this.ctx.STATIC_DRAW)
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this.panelPositionsBuffer = panelPositionBuffer
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let panelUVBuffer = this.ctx.createBuffer()
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this.ctx.bindBuffer(this.ctx.ARRAY_BUFFER, panelUVBuffer)
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const uv = [
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0.0, 0.0,
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1.0, 0.0,
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0.0, 1.0,
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1.0, 1.0,
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]
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this.ctx.bufferData(this.ctx.ARRAY_BUFFER, new Float32Array(uv), this.ctx.STATIC_DRAW)
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this.panelUVBuffer = panelUVBuffer
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let imageTexture = this.ctx.createTexture()
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this.imageTexture = imageTexture;
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this.clearImage();
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}
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clearImage(){
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this.ctx.bindTexture(this.ctx.TEXTURE_2D, this.imageTexture)
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this.ctx.texImage2D(
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this.ctx.TEXTURE_2D,
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0,
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this.ctx.RGBA,
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1, 1,
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0,
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this.ctx.RGBA,
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this.ctx.UNSIGNED_BYTE,
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new Uint8Array([0, 0, 0, 0])
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)
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}
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/**
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* @param {File} imageFile
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*/
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async setImage(imageFile){
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if(imageFile == this.currentImageFile){
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return
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}
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if(this.currentImage){
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URL.revokeObjectURL(this.currentImage.src)
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}
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let image = new Image()
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const loadProm = new Promise((res, rej) => {
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function ok(){
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image.removeEventListener("error", nok)
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res()
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}
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function nok(){
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image.removeEventListener("load", ok)
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rej()
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}
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image.addEventListener("load", ok)
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image.addEventListener("error", nok)
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})
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image.src = URL.createObjectURL(imageFile)
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try {
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await loadProm
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} catch(e) {
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URL.revokeObjectURL(image.src)
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throw e
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}
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this.resize(image.width, image.height)
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this.currentImageFile = imageFile
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this.currentImage = image
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this.ctx.bindTexture(this.ctx.TEXTURE_2D, this.imageTexture)
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this.ctx.texImage2D(
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this.ctx.TEXTURE_2D,
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0,
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this.ctx.RGBA,
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this.ctx.RGBA,
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this.ctx.UNSIGNED_BYTE,
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this.currentImage
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)
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this.ctx.texParameteri(this.ctx.TEXTURE_2D, this.ctx.TEXTURE_WRAP_S, this.ctx.CLAMP_TO_EDGE);
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this.ctx.texParameteri(this.ctx.TEXTURE_2D, this.ctx.TEXTURE_WRAP_T, this.ctx.CLAMP_TO_EDGE);
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this.ctx.texParameteri(this.ctx.TEXTURE_2D, this.ctx.TEXTURE_MIN_FILTER, this.ctx.LINEAR);
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}
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resize(width, height){
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let computedStyle = window.getComputedStyle(this.canvas)
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let maxWidth = parseFloat(computedStyle["max-width"])
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let maxHeight = parseFloat(computedStyle["max-height"])
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if(window.devicePixelRatio){
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maxWidth *= window.devicePixelRatio
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maxHeight *= window.devicePixelRatio
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}
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if(Number.isNaN(maxWidth)){
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maxWidth = width
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}
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if(Number.isNaN(maxHeight)){
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maxHeight = height
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}
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let resize = resizeToFit("contain", {width, height}, {width: maxWidth, height: maxHeight})
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this.canvas.width = resize.width
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this.canvas.height = resize.height
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this.ctx.viewport(0, 0, this.canvas.width, this.canvas.height);
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}
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render(){
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if(!this.ctx){
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throw new Error("Glitcher not initialized, please run init()")
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}
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this.ctx.clearColor(0.0, 0.0, 0.0, 0.0)
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this.ctx.clearDepth(1.0)
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this.ctx.enable(this.ctx.DEPTH_TEST)
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this.ctx.enable(this.ctx.LEQUAL)
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this.ctx.clear(this.ctx.COLOR_BUFFER_BIT | this.ctx.DEPTH_BUFFER_BIT)
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this.ctx.bindBuffer(this.ctx.ARRAY_BUFFER, this.panelPositionsBuffer)
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this.ctx.vertexAttribPointer(
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this.aVertexPosition,
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2, // N components per iteration
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this.ctx.FLOAT,
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false, //Normalize,
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0, // (stride) how many bytes to get from one set of values to the next
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0, // Start offset
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)
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this.ctx.enableVertexAttribArray(this.aVertexPosition)
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this.ctx.bindBuffer(this.ctx.ARRAY_BUFFER, this.panelUVBuffer)
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this.ctx.vertexAttribPointer(
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this.aTextureCoord,
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2,
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this.ctx.FLOAT,
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false,
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0,
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0,
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)
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this.ctx.enableVertexAttribArray(this.aTextureCoord)
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this.ctx.activeTexture(this.ctx.TEXTURE0)
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this.ctx.bindTexture(this.ctx.TEXTURE_2D, this.imageTexture)
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this.ctx.uniform1i(this.uImageSampler, 0)
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this.ctx.useProgram(this.baseProgram)
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this.ctx.drawArrays(
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this.ctx.TRIANGLE_STRIP,
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0, // Vertex offset
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4, // Total vertex
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);
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}
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}
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Generated
+13
@@ -8,6 +8,7 @@
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"name": "v1-com-officielle",
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"version": "0.0.0",
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"dependencies": {
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"intrinsic-scale": "^5.0.0",
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"vite-svg-loader": "^5.1.1",
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"vue": "^3.5.25",
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"vue3-clipboard": "^1.0.0",
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@@ -1442,6 +1443,18 @@
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"delegate": "^3.1.2"
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}
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},
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"node_modules/intrinsic-scale": {
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"version": "5.0.0",
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"resolved": "https://registry.npmjs.org/intrinsic-scale/-/intrinsic-scale-5.0.0.tgz",
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"integrity": "sha512-NJY7170uG8gYkaGGV0ddakq5VAWSvM2FKhARgXj8OQwod1hQFRBWCXn7dk35bGd+vsRYYnJQw/Qpebk8MWp4dg==",
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"license": "MIT",
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"engines": {
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"node": ">=20"
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},
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"funding": {
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"url": "https://github.com/sponsors/fregante"
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}
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},
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"node_modules/keycode": {
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"version": "2.2.1",
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"resolved": "https://registry.npmjs.org/keycode/-/keycode-2.2.1.tgz",
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@@ -9,6 +9,7 @@
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"preview": "vite preview"
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},
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"dependencies": {
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"intrinsic-scale": "^5.0.0",
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"vite-svg-loader": "^5.1.1",
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"vue": "^3.5.25",
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"vue3-clipboard": "^1.0.0",
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@@ -6,13 +6,21 @@ import svgLoader from 'vite-svg-loader'
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// https://vite.dev/config/
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export default defineConfig({
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plugins: [vue(), svgLoader()],
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server:{
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server: {
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host: '0.0.0.0',
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port:8080
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port: 8080
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},
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resolve: {
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alias: {
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'@': path.resolve(__dirname, './src')
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}
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},
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build: {
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rollupOptions: {
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input: {
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main: path.resolve(import.meta.dirname, 'index.html'),
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glitcher: path.resolve(import.meta.dirname, 'glitcher/index.html'),
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},
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},
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}
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})
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Reference in New Issue
Block a user