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2 layouts

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This commit is contained in:
Dobromir Popov
2025-08-08 15:15:07 +03:00
parent 65012289b9
commit 164616f803
1 changed files with 130 additions and 92 deletions
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218
HTML/STICKERS/index.html
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@ -3,16 +3,16 @@
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>4 cm Sticker Sheet – Hex Packed (Cutline Optional)</title>
<title>4 cm Sticker Sheet – Hex vs Grid</title>
<style>
:root {
--sticker-diameter-cm: 4; /* Sticker content diameter (cm) */
--gutter-cm: 0; /* Spacing between sticker edges (cm) */
--margin-cm: 0; /* Page margin/safety (cm) */
--outline-on: 0; /* 1 = show cut outline, 0 = hide */
--outline-mm: 0.3; /* Outline width in mm when enabled */
--fit-mode: cover; /* cover|contain image fit */
--page-width-cm: 21; /* Default A4 portrait */
--sticker-diameter-cm: 4; /* Content circle diameter */
--gutter-cm: 0; /* Space between outer edges */
--margin-cm: 0; /* Safety/printer margin */
--outline-on: 0; /* 1 show outline, 0 none */
--outline-mm: 0.3; /* Outline width when enabled */
--fit-mode: cover; /* cover|contain */
--page-width-cm: 21; /* A4 by default */
--page-height-cm: 29.7;
}
@ -73,14 +73,11 @@
border-radius: 6px;
cursor: pointer;
}
.hint {
.hint, .stats {
font-size: 12px;
color: #6b7280;
}
.stats {
font-size: 13px;
color: #334155;
color: #475569;
}
.stats strong { color: #0f172a; }
.pages {
padding: 12px;
@ -94,7 +91,7 @@
position: relative;
box-shadow: 0 1px 4px rgba(0,0,0,0.08);
outline: 1px dashed #e5e7eb;
width: calc(var(--page-width-cm) * 37.8px);
width: calc(var(--page-width-cm) * 37.8px); /* screen preview only */
height: calc(var(--page-height-cm) * 37.8px);
}
@ -109,34 +106,26 @@
.sticker {
position: absolute;
width: calc(var(--sticker-diameter-cm) * 1cm);
width: calc(var(--sticker-diameter-cm) * 1cm); /* content circle */
height: calc(var(--sticker-diameter-cm) * 1cm);
border-radius: 50%;
overflow: hidden;
/* Important: content-box so outline adds to outer size.
If outline is OFF, no extra thickness; if ON, increases
outer diameter by 2 * outline width. */
box-sizing: content-box;
/* Optional cut outline (hairline). */
box-sizing: content-box; /* outline adds to outer size */
border: calc(var(--outline-on) * var(--outline-mm) * 1mm) solid rgba(0,0,0,0.28);
background: #f8fafc center/var(--fit-mode) no-repeat;
}
.sticker img {
display: block;
width: 100%;
height: 100%;
object-fit: var(--fit-mode);
display: block;
pointer-events: none;
user-select: none;
}
@media print {
body { background: white; }
.controls, .hint-bar { display: none !important; }
.controls { display: none !important; }
.pages { padding: 0; }
.page {
width: auto !important;
@ -157,6 +146,13 @@
<div class="controls">
<div class="row">
<label>
Layout
<select id="layout">
<option value="hex" selected>Hex (max)</option>
<option value="grid">Grid (rows & columns)</option>
</select>
</label>
<label>
Sticker Ø (cm)
<input id="diameter" type="number" step="0.1" min="1" value="4">
@ -169,6 +165,15 @@
Printer margin (cm)
<input id="margin" type="number" step="0.1" min="0" value="0">
</label>
<label>
Cut outline
<select id="outline">
<option value="0" selected>None (best fit)</option>
<option value="1">Hairline (≈0.3 mm)</option>
</select>
</label>
</div>
<div class="row">
<label>
Paper
<select id="paper">
@ -190,44 +195,39 @@
<option value="contain">Contain (no crop)</option>
</select>
</label>
<label>
Cut outline
<select id="outline">
<option value="0" selected>None (best fit)</option>
<option value="1">Hairline (≈0.3 mm)</option>
</select>
</label>
</div>
<div class="row">
<label>
Sticker image
<input id="file" type="file" accept="image/*">
</label>
<button class="secondary" id="generate">Generate layout</button>
<button class="primary" id="print">Print…</button>
</div>
<div class="row">
<span class="stats" id="stats">–</span>
</div>
<div class="row">
<span class="hint">Print tips: Set Scale 100%, enable “Print backgrounds/graphics,” and choose the same paper size/orientation here and in the dialog. If edges clip, increase Printer margin slightly.</span>
<span class="hint">Print at 100% scale with “Print backgrounds/graphics” enabled. If edges clip, increase Printer margin slightly (e.g., 0.3–0.5 cm).</span>
</div>
</div>
<div class="pages" id="pages"></div>
<script>
// Paper sizes in cm
const PAPER = {
A4: { w: 21.0, h: 29.7 },
LETTER: { w: 21.59, h: 27.94 }
};
const el = {
layout: document.getElementById('layout'),
diameter: document.getElementById('diameter'),
gutter: document.getElementById('gutter'),
margin: document.getElementById('margin'),
outline: document.getElementById('outline'),
paper: document.getElementById('paper'),
orientation: document.getElementById('orientation'),
fit: document.getElementById('fit'),
outline: document.getElementById('outline'),
file: document.getElementById('file'),
pages: document.getElementById('pages'),
generate: document.getElementById('generate'),
@ -237,10 +237,10 @@
let imageDataURL = null;
// React to changes immediately
// Update on any change
['change','input'].forEach(evt => {
[el.diameter, el.gutter, el.margin, el.paper, el.orientation, el.fit, el.outline].forEach(ctrl => {
ctrl.addEventListener(evt, () => render());
[el.layout, el.diameter, el.gutter, el.margin, el.outline, el.paper, el.orientation, el.fit].forEach(ctrl => {
ctrl.addEventListener(evt, render);
});
});
@ -251,91 +251,88 @@
render();
});
el.generate.addEventListener('click', () => render());
el.generate.addEventListener('click', render);
el.print.addEventListener('click', () => {
if (!document.querySelector('.page')) render();
setTimeout(() => window.print(), 50);
});
render(); // Initial
// Initial render
render();
function render() {
const d = clampNum(parseFloat(el.diameter.value), 1, 100); // sticker diameter (cm) content
const layout = el.layout.value; // 'hex' or 'grid'
const d = clampNum(parseFloat(el.diameter.value), 1, 100); // content diameter (cm)
const g = clampNum(parseFloat(el.gutter.value), 0, 5); // gutter (cm)
const m = clampNum(parseFloat(el.margin.value), 0, 5); // margin (cm)
const fit = el.fit.value === 'contain' ? 'contain' : 'cover';
const outlineOn = el.outline.value === '1' ? 1 : 0;
const fit = el.fit.value === 'contain' ? 'contain' : 'cover';
let { w, h } = PAPER[el.paper.value] || PAPER.A4;
const isLandscape = el.orientation.value === 'landscape';
if (isLandscape) [w, h] = [h, w];
// Push CSS variables for preview
document.documentElement.style.setProperty('--sticker-diameter-cm', d);
document.documentElement.style.setProperty('--gutter-cm', g);
document.documentElement.style.setProperty('--margin-cm', m);
document.documentElement.style.setProperty('--page-width-cm', w);
document.documentElement.style.setProperty('--page-height-cm', h);
document.documentElement.style.setProperty('--fit-mode', fit);
document.documentElement.style.setProperty('--outline-on', outlineOn);
document.documentElement.style.setProperty('--fit-mode', fit);
// Build one page (duplicate in print dialog for more)
el.pages.innerHTML = '';
const page = buildPage(w, h, m, d, g, outlineOn);
el.pages.appendChild(page);
}
function buildPage(w, h, margin, diameter, gutter, outlineOn) {
const page = document.createElement('div');
page.className = 'page';
const canvas = document.createElement('div');
canvas.className = 'canvas';
page.appendChild(canvas);
el.pages.appendChild(page);
// Usable area inside margins (cm)
const W = w - 2 * margin;
const H = h - 2 * margin;
// Dimensions inside margins
const W = w - 2*m;
const H = h - 2*m;
// If outline is on, it increases the outer diameter.
// Outer diameter (content + outline on both sides)
const outlineWidthCm = outlineOn ? (getCssNumber('--outline-mm') / 10) : 0; // mm -> cm
const outerD = diameter + 2 * outlineWidthCm;
const outerD = d + 2*outlineWidthCm;
// Hex packing
const pitchX = outerD + gutter;
const pitchY = (Math.sqrt(3) / 2) * outerD + gutter;
const offsetX = 0.5 * (outerD + gutter);
// Generate placements for selected layout
const placements = layout === 'grid'
? packGrid(W, H, outerD, g)
: packHex(W, H, outerD, g);
let y = 0;
let row = 0;
let placed = 0;
while (y + outerD <= H + 1e-6) {
const isOddRow = row % 2 === 1;
const startX = isOddRow ? offsetX : 0;
let x = startX;
while (x + outerD <= W + 1e-6) {
// Render stickers
placements.forEach(p => {
const s = createSticker(imageDataURL);
// Positioning uses the content diameter; outline is handled by CSS border on .sticker.
s.style.left = cm(x + outlineWidthCm);
s.style.top = cm(y + outlineWidthCm);
// Offset by outline so the content circle sits at p.x..p.x+outerD
s.style.left = cm(p.x + outlineWidthCm);
s.style.top = cm(p.y + outlineWidthCm);
canvas.appendChild(s);
placed++;
x += pitchX;
}
row++;
y += pitchY;
if (row > 2000) break;
}
});
// Update stats
const perRow = Math.max(0, Math.floor((W + 1e-6 - (row > 1 ? 0 : 0)) / pitchX) + Math.floor((W + 1e-6 - offsetX) / pitchX));
document.getElementById('stats').textContent =
`This page: ${placed} stickers • Ø ${diameter.toFixed(1)} cm` +
(outlineOn ? ` + ${Math.round(getCssNumber('--outline-mm')*10)/10} mm outline` : ` (no outline)`) +
(gutter > 0 ? ` • Gutter ${g.toFixed?.(1) ?? gutter} cm` : '');
// Compute comparison stats for both layouts
const hexCount = packHex(W, H, outerD, g).length;
const gridCount = packGrid(W, H, outerD, g).length;
const used = placements.length;
const areaCanvas = W * H;
const areaCircle = Math.PI * Math.pow(outerD/2, 2); // using outer diameter for sheet usage
const coverage = areaCanvas > 0 ? (used * areaCircle / areaCanvas) : 0;
if (placed === 0) {
const gain = hexCount - gridCount;
const gainText = gain === 0 ? 'same' : (gain > 0 ? `+${gain} with Hex` : `+${-gain} with Grid`);
el.stats.innerHTML =
`<strong>${layout.toUpperCase()}</strong> layout: ${used} stickers • ` +
`Ø ${d.toFixed(1)} cm${outlineOn ? ` + ${Math.round(outlineWidthCm*10)} mm outline` : ''}` +
(g > 0 ? ` • Gutter ${g.toFixed(1)} cm` : ' • No gutter') +
` • Coverage ${(coverage*100).toFixed(1)}%` +
` — Compare ⇒ Hex: ${hexCount}, Grid: ${gridCount} (${gainText})`;
// If none fit, show a helpful message
if (placements.length === 0) {
const msg = document.createElement('div');
msg.style.position = 'absolute';
msg.style.inset = '0';
@ -343,11 +340,52 @@
msg.style.placeItems = 'center';
msg.style.color = '#6b7280';
msg.style.fontSize = '14px';
msg.textContent = 'No stickers fit with current settings. Reduce margins/gutter or rotate orientation.';
msg.textContent = 'No stickers fit with current settings. Reduce margins/gutter or switch orientation.';
canvas.appendChild(msg);
}
}
return page;
// Hexagonal packing (odd rows offset by half pitch)
function packHex(W, H, outerD, gutter) {
const res = [];
const pitchX = outerD + gutter;
const pitchY = (Math.sqrt(3) / 2) * outerD + gutter;
const halfStep = 0.5 * (outerD + gutter);
let y = 0;
let row = 0;
while (y + outerD <= H + 1e-6) {
const startX = (row % 2 === 1) ? halfStep : 0;
let x = startX;
while (x + outerD <= W + 1e-6) {
res.push({ x, y });
x += pitchX;
}
row++;
y += pitchY;
if (row > 5000) break;
}
return res;
// Note: This is edge-to-edge packing using the outer diameter (includes outline if enabled).
}
// Simple rows & columns grid
function packGrid(W, H, outerD, gutter) {
const res = [];
const pitchX = outerD + gutter;
const pitchY = outerD + gutter;
let y = 0;
while (y + outerD <= H + 1e-6) {
let x = 0;
while (x + outerD <= W + 1e-6) {
res.push({ x, y });
x += pitchX;
}
y += pitchY;
if (res.length > 100000) break;
}
return res;
}
function createSticker(dataUrl) {