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wip lit
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ElyaConrad committed Apr 14, 2024
1 parent 8d09b1b commit 2f7ea95
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30 changes: 18 additions & 12 deletions README.md
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## Zoompinch

Apply a pinch-and-zoom experience that’s feels native and communicates the transform reactively in both directions.

Play around with the [demo here](https://zoompinch.pages.dev)

### Mathematical correct pinch on touch

Unlike other libraries, _Pinchzoom_ does not just uses the center point between two fingers as projection center. The fingers get correctly projected on the virtual canvas. This makes rotation

### Matrix Layer on top

You can use a matrix layer on top that projects any virtual point within the canvas to the real absolute coordinates.

### Currently supported platforms:

- [x] Vue 3
- [ ] Web components (work in progress)
- [ ] React

### Install

```bash
Expand Down Expand Up @@ -71,18 +89,6 @@ function handleClickOnLayer(event: MouseEvent) {
- `wheel`: Boolean value wether wheel events will be connected
- `gesture`: Boolean value, wether gesture events will be connected

## Scale, Move and Rotate

Apply a pinch-and-zoom experience that’s feels native and communicates the transform reactively in both directions.

## Mathematical correct pinch on touch

Unlike other libraries, _Pinchzoom_ does not just uses the center point between two fingers as projection center. The fingers get correctly projected on the virtual canvas. This makes rotation

## Matrix Layer on top

You can use a matrix layer on top that projects any virtual point within the canvas to the real absolute coordinates.

## Helper functions

Because different use cases need different ways of modifying a transform, there exist a lot of helper functions
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2 changes: 1 addition & 1 deletion playground/src/App.vue
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<template>
<div class="root">
<nav-bar />
<!-- <nav-bar /> -->
<playground />
</div>
</template>
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39 changes: 38 additions & 1 deletion playground/src/components/Playground.vue
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<template>
<!-- <template>
<div class="playground">
<header>
<section>
Expand Down Expand Up @@ -245,11 +245,17 @@ onMounted(() => {
&.small {
grid-template-columns: repeat(auto-fill, minmax(50px, 1fr));
@media screen and (max-width: 700px) {
grid-template-columns: repeat(auto-fill, minmax(40px, 1fr));
}
}
.field {
.description {
font-size: 0.9em;
opacity: 0.7;
@media screen and (max-width: 700px) {
font-size: 0.7em;
}
}
.n-input-number {
::v-deep(.n-input__suffix) {
Expand All @@ -271,4 +277,35 @@ onMounted(() => {
}
}
}
</style> -->

<template>
<div class="my-container">
<zoompinch
:width="536"
:height="802"
:bounds="false"
:rotation="true"
:offset="{ left: 0, top: 0, bottom: 0, right: 0 }"
:min-scale="0.1"
:max-scale="10"
>
<template #canvas>
<img src="https://creactive-media.de/images/gallery/DSC05518.jpeg" style="width: 536px; height: 802px" />
</template>
</zoompinch>
</div>
</template>

<script setup lang="ts">
import { Zoompinch } from 'zoompinch';
import 'zoompinch/style.css';
</script>

<style scoped lang="scss">
.my-container {
width: 100%;
height: 500px;
background-color: #eee;
}
</style>
27 changes: 22 additions & 5 deletions zoompinch-lit/index.html
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font-family: Arial, sans-serif;
}
.my-container {
width: 800px;
height: 600px;
width: 100%;
height: 500px;
background-color: #eee;
}
</style>
</head>
<body>
<div class="my-container">
<pan-cake width="536" height="802">
<pan-cake width="536" height="802" translateX="100" translateY="0">
<div slot="canvas">
<img src="https://creactive-media.de/images/gallery/DSC05518.jpeg" style="width: 536px; height: 802px" />
</div>
<div slot="matrix">MATRIX</div>
<div slot="matrix">
<svg xmlns="http://www.org/2000/svg" width="100%" height="100%">
<circle id="center-circle" r="5" style="fill: #f00" cx="100" cy="100" />
</svg>
</div>
</pan-cake>
</div>

<script>
<script type="module">
const panCake = document.querySelector('pan-cake');

setTimeout(() => {
// console.log('FIT');
// panCake.applyTransform(1, [0.5, 0.5], [0.5, 0.5], true);
// setTimeout(() => {
// panCake.rotateCanvas(0.5, 0.5, Math.PI / 4);
// }, 1000);

const centerCircle = document.getElementById('center-circle');
const [cx, cy] = panCake.composePoint(0.5, 0.5);
centerCircle.setAttribute('cx', cx.toString());
centerCircle.setAttribute('cy', cy.toString());
}, 5000);
</script>
</body>
</html>
5 changes: 5 additions & 0 deletions zoompinch-lit/src/components/PanCake.scss
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transform-origin: 0% 0%;
transform: translate(var(--translate-x), var(--translate-y)) scale(var(--scale)) rotate(var(--rotate));
}
.matrix {
width: 100%;
height: 100%;
position: absolute;
}
}
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