it-tools/src/tools/image-to-ascii-art/image-to-ascii-art.vue
sharevb d37be2792f feat(new tool): Image to ASCII Art
Image to ASCII Art
2024-04-20 19:45:13 +02:00

103 lines
2.7 KiB
Vue

<script setup lang="ts">
import { ImageToAsciiArt } from 'image-to-ascii-art';
import TextareaCopyable from '@/components/TextareaCopyable.vue';
import { languages, translateToLanguage } from '@/utils/ascii-lang-utils';
const inputBase64 = ref('');
const language = useStorage('image-to-ascii-art:language', 'raw');
const scale = ref(100);
const errored = ref(false);
const processing = ref(false);
function toBase64(file: File) {
return new Promise<string>((resolve, reject) => {
const reader = new FileReader();
reader.readAsDataURL(file);
reader.onload = () => resolve(reader.result?.toString() ?? '');
reader.onerror = error => reject(error);
});
}
const languagesOptions = languages.map(lang => ({ value: lang.id, label: lang.name }));
const output = computedAsync(async () => {
const inputBase64Value = inputBase64.value;
if (!inputBase64Value) {
return '';
}
const scaleValue = scale.value / 100.0;
const languageValue = language.value;
let outputValue = '';
processing.value = true;
try {
errored.value = false;
const imageToAsciiArt = new ImageToAsciiArt({
config: {
drawWidth: scaleValue,
drawHeight: scaleValue * 0.4,
},
});
outputValue = translateToLanguage(await imageToAsciiArt.convert(inputBase64Value), languageValue);
imageToAsciiArt.destroy();
}
catch (e) {
errored.value = true;
}
processing.value = false;
return outputValue;
});
async function onFileUploaded(uploadedFile: File) {
inputBase64.value = await toBase64(uploadedFile);
}
</script>
<template>
<c-card style="max-width: 600px;">
<div style="flex: 0 0 100%">
<div mx-auto max-w-600px>
<c-file-upload
title="Drag and drop a Image file here, or click to select a file"
paste-image
@file-upload="onFileUploaded"
/>
</div>
</div>
<n-form-item label="Output scale" label-placement="left" mt-2>
<n-slider v-model:value="scale" :step="1" :min="1" :max="100" mr-2 />
<n-input-number v-model:value="scale" size="small" :min="1" :max="100" />
</n-form-item>
<c-select v-model:value="language" :options="languagesOptions" searchable mt-3 />
<n-divider />
<div v-if="processing" flex items-center justify-center>
<n-spin size="medium" />
<span class="ml-2">Processing...</span>
</div>
<c-alert v-if="errored" mt-1 text-center type="error">
Current settings resulted in error.
</c-alert>
<n-form-item v-if="!processing && !errored" label="Ascii Art text:">
<TextareaCopyable
:value="output"
mb-1 mt-1
copy-placement="outside"
/>
</n-form-item>
</c-card>
</template>
<style lang="less">
.n-code pre {
font-size: 0.2em !important;
}
</style>