justin/discord-auto-upload
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Editor with basic text colour picker.

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This commit is contained in:
Justin Hawkins 2021-12-14 23:15:40 +10:30
parent 0a72d6e2dd
commit e110fc307f
2 changed files with 79 additions and 18 deletions
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88
web/data/editor.html
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@ -1,11 +1,34 @@
{{ define "content" }}
<main role="main" class="" style="height:100%;" x-data="editor()" x-init="setup_canvas();">
<p>
<div id="tools-top" x-show="!toolbar">
<button type="button" @click="add_some_text()" class="btn btn-primary">Add text</button>
<button type="button" @click="export_image()" class="btn btn-primary">Take a dump</button>
</p>
<canvas id="c"></canvas>
<button type="button" @click="crop()" class="btn btn-primary">Crop</button>
<button type="button" @click="crop()" class="btn btn-primary">Apply</button>
</div>
<div id="tools-colour" x-show="toolbar == 'text'">
<div>FG:
<button type="button" @click="set_colour('#fff0', 'fg')" class="btn btn-primary" style="">-</button>
<template x-for="colour in colours">
<button type="button" @click="set_colour(colour, 'fg')" class="btn btn-primary" :style="'background-color: '+colour">&nbsp;</button>
</template>
</div>
<div>BG:
<button type="button" @click="set_colour('#fff0', 'bg')" class="btn btn-primary" style="">-</button>
<template x-for="colour in colours">
<button type="button" @click="set_colour(colour, 'bg')" class="btn btn-primary" :style="'background-color: '+colour">&nbsp;</button>
</template>
</div>
<div>ST:
<button type="button" @click="set_colour('#fff0', 'stroke')" class="btn btn-primary" style="">-</button>
<template x-for="colour in colours">
<button type="button" @click="set_colour(colour, 'stroke')" class="btn btn-primary" :style="'background-color: '+colour">&nbsp;</button>
</template>
</div>
</div>
<canvas id="c" width="600" height="600" x-bind:style="canvas_style"></canvas>
<img :src="img_data">
</main>
@ -14,34 +37,75 @@
{{ define "js" }}
<script>
// for some reason, canvas does not work correctly if the object
// is managed by alpine - see https://github.com/fabricjs/fabric.js/issues/7485
var canvas = null;
function editor() {
return {
canvas: null, img_data: "", scaleFactor: 1.0,
img_data: "", scaleFactor: 1.0,
toolbar: null,
colours: [ 'red', 'blue', 'green', 'white', 'yellow', 'black', 'purple'],
canvas_style: "",
// "position: absolute; width: 100%; height: 100%; left: 0px; top: 0px; touch-action: none; -webkit-user-select: none;",
setup_canvas() {
// seriously javascript? just imagine, in 2021....
var url = new URL(window.location);
var id = url.searchParams.get("id");
var self = this;
self.canvas = new fabric.Canvas('c');
canvas = new fabric.Canvas('c');
canvas.on('selection:cleared', function(options) {
self.toolbar = null;
});
fabric.Image.fromURL('/rest/image/'+id, function(oImg) {
// self.canvas.setDimensions({width: oImg.width, height: oImg.height});
canvas.setDimensions({width: oImg.width, height: oImg.height});
oImg.selectable = false;
self.canvas.add(oImg);
canvas.add(oImg);
// self.canvas.setHeight(self.canvas.getHeight() * (self.scaleFactor));
// self.canvas.setWidth(self.canvas.getWidth() * (self.scaleFactor));
// self.canvas.setZoom(self.scaleFactor);
});
},
export_image() {
this.img_data = this.canvas.toDataURL({multiplier: 1/this.scaleFactor});
this.img_data = canvas.toDataURL({multiplier: 1/this.scaleFactor});
},
add_some_text() {
var text = new fabric.Textbox('hello world', { left: 100, top: 100, fontSize: 20 });
this.canvas.add(text);
var text = new fabric.Textbox('double click to change', { left: 20, top: 20, width: 300, fontSize: 40 });
canvas.add(text);
canvas.setActiveObject(text);
this.toolbar = 'text';
var self = this;
text.on('selected', function(options) {
self.toolbar = 'text';
});
},
set_colour(colour, type) {
selected = canvas.getActiveObjects();
console.log();
selected.forEach(el => {
if (type === 'fg') {
el.set('fill', colour);
}
if (type === 'bg') {
el.set('textBackgroundColor', colour);
}
if (type === 'stroke') {
el.set('stroke', colour);
}
//["stroke","strokeWidth","fill","fontFamily","fontSize","fontWeight","fontStyle","underline","overline","linethrough","deltaY","textBackgroundColor"]
});
canvas.renderAll();
}
// selection:cleared
}
}

9
web/data/wrapper.tmpl
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@ -6,13 +6,9 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/css/bootstrap.min.css" integrity="sha384-B0vP5xmATw1+K9KRQjQERJvTumQW0nPEzvF6L/Z6nronJ3oUOFUFpCjEUQouq2+l" crossorigin="anonymous">
<script src="https://code.jquery.com/jquery-3.5.1.min.js" integrity="sha256-9/aliU8dGd2tb6OSsuzixeV4y/faTqgFtohetphbbj0=" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/js/bootstrap.bundle.min.js" integrity="sha384-Piv4xVNRyMGpqkS2by6br4gNJ7DXjqk09RmUpJ8jgGtD7zP9yug3goQfGII0yAns" crossorigin="anonymous"></script>
<script src="//unpkg.com/alpinejs" defer></script>
<script src="https://cdn.jsdelivr.net/npm/fabric@4.6.0/dist/fabric.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/fabric@4.6.0/dist/fabric.min.js"></script>
<style>
.bd-placeholder-img {
@ -37,7 +33,7 @@
<body class="">
<div class="DAU-container d-flex w-100 h-100 p-3 mx-auto flex-column">
<div class="DAU-container-editor d-flex w-100 h-100 p-3 mx-auto flex-column">
<header class="masthead mb-auto">
<div class="inner">
<h3 class="masthead-brand">discord-auto-upload ({{.Version}})</h3>
@ -62,6 +58,7 @@
</body>
{{ template "js" . }}
</html>