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Better image compression and added prev page thumbnail on edit page

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This commit is contained in:
Sagi Dayan 2020-05-24 21:49:18 -04:00
parent 31f01a2850
commit 2bf05c4690
8 changed files with 125 additions and 57 deletions
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4
public/scripts/applications/admin/app.bundle.js
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4
public/scripts/applications/home/app.bundle.js
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2
public/scripts/components/navbar/app.bundle.js
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2
public/scripts/views/register/app.bundle.js
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3
public/style.css
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@ -8111,6 +8111,9 @@ video {
border-radius: 8px;
background-color: white; }
.book-thumb.page-preview {
flex-basis: unset; }
.edit-page-controllers {
border-radius: 15px;
background-color: rgba(134, 134, 134, 0.1); }

3
resources/sass/main.scss
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@ -497,6 +497,9 @@ video{
background-color: white;
}
}
.book-thumb.page-preview{
flex-basis: unset;
}
.edit-page-controllers{
border-radius: 15px;
background-color: rgba(134, 134, 134, 0.1);

126
resources/scripts/applications/home/views/edit_book.vue
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@ -86,7 +86,10 @@
<span>Edit</span>
</a>
</li>
<li :class="!editMode ? 'is-active' : ''" @click="editMode=false">
<li
:class="!editMode ? 'is-active' : ''"
@click="currentPage = -7;editMode=false"
>
<a>
<span class="icon is-small">
<i class="fa fa-eye" aria-hidden="true"></i>
@ -110,9 +113,9 @@
<div class="page-editor" v-else>
<div class="columns">
<!-- Croppa -->
<div class="column is-flex">
<div class="column has-text-centered">
<div v-if="pages[currentPage].loaded">
<h1 class="subtitle">{{pages[currentPage].text}}</h1>
<h1 class="subtitle is-3">{{pages[currentPage].text}}</h1>
<croppa
v-model="pages[currentPage].croppa"
:prevent-white-space="true"
@ -132,17 +135,12 @@
<div
class="edit-page-controllers column is-3 is-flex-column is-justify-centered has-text-centered"
>
<div class="change-image">
<button class="button" @click="pages[currentPage].croppa.chooseFile()">
<i class="fa fa-fw fa-refresh"></i> Change Image
</button>
</div>
<div class="field" v-if="currentPage===0 && pages.length===1">
<label class="label">Page width</label>
<input
type="range"
min="200"
max="600"
:min="DEFAULT_PAGE_WIDTH-50"
:max="DEFAULT_PAGE_WIDTH"
v-model="bookWidth"
:disabled="!pages[currentPage].imageLoaded"
/>
@ -150,7 +148,7 @@
<button
type="button"
class="button is-rounded is-outlined is-small"
:disabled="!pages[currentPage].imageLoaded"
:disabled="!pages[currentPage].imageLoaded || bookWidth<= DEFAULT_PAGE_WIDTH - 50"
@click="bookWidth-=2"
>
<i class="fa fa-fw fa-minus"></i>
@ -158,19 +156,40 @@
<button
type="button"
class="button is-rounded is-outlined is-small"
:disabled="!pages[currentPage].imageLoaded"
:disabled="!pages[currentPage].imageLoaded || bookWidth >= DEFAULT_PAGE_WIDTH"
@click="bookWidth+=2"
>
<i class="fa fa-fw fa-plus"></i>
</button>
</div>
</div>
<div class="prev-page-preview" v-else>
<div
class="is-flex is-justify-centered"
v-if="pages[currentPage - 1] && pages[currentPage - 1].base64"
>
<div class="book-thumb page-preview">
<div class="book-text">
<div>Previouse Page</div>
</div>
<div class="book-cover">
<img
:src="pages[currentPage - 1] ? pages[currentPage - 1].base64: ''"
/>
</div>
<div class="book-text">
<div>{{pages[currentPage - 1].text}}</div>
</div>
</div>
</div>
</div>
<hr class="is-fullwidth-container" />
<div class="field" v-if="currentPage===0 && pages.length===1">
<label class="label">Page height</label>
<input
type="range"
min="200"
max="600"
:min="DEFAULT_PAGE_HEIGHT-50"
:max="DEFAULT_PAGE_HEIGHT"
v-model="bookHeight"
:disabled="!pages[currentPage].imageLoaded"
/>
@ -178,7 +197,7 @@
<button
type="button"
class="button is-rounded is-outlined is-small"
:disabled="!pages[currentPage].imageLoaded"
:disabled="!pages[currentPage].imageLoaded || bookWidth<= DEFAULT_PAGE_HEIGHT - 50"
@click="bookHeight-=2"
>
<i class="fa fa-fw fa-minus"></i>
@ -186,7 +205,7 @@
<button
type="button"
class="button is-rounded is-outlined is-small"
:disabled="!pages[currentPage].imageLoaded"
:disabled="!pages[currentPage].imageLoaded || bookWidth >= DEFAULT_PAGE_HEIGHT"
@click="bookHeight+=2"
>
<i class="fa fa-fw fa-plus"></i>
@ -238,8 +257,19 @@
<i class="fa fa-fw fa-rotate-right"></i>
</button>
</div>
<div class="change-image">
<button
class="button is-fullwidth-container"
@click="pages[currentPage].croppa.chooseFile()"
>
<i class="fa fa-fw fa-refresh"></i> Change Image
</button>
</div>
<div class="remove-image" v-if="currentPage === pages.length-1">
<button class="button is-danger" @click="deleteLastPage()">
<button
class="button is-danger is-fullwidth-container"
@click="deleteLastPage()"
>
<i class="fa fa-fw fa-trash"></i> Delete Page
</button>
</div>
@ -321,6 +351,13 @@ import { mapGetters, mapActions } from "vuex";
import Flipbook from "../components/flipbook/flipbook.cjs.js";
import Croppa from "vue-croppa";
import Services from "../../services";
const DEFAULT_PAGE_WIDTH = 350;
const DEFAULT_PAGE_HEIGHT = 350;
const DEFAULT_ZOOM = 500;
const MIME_TYPE = "image/jpeg";
const COMPRESSION_RATE = 0.4;
export default {
name: "EditBook",
props: ["editBook"],
@ -344,14 +381,14 @@ export default {
console.log(lastPage, currentPage);
if (this.pages[lastPage] && lastPage >= 0) {
const imageBlob = await this.pages[lastPage].croppa.promisedBlob(
"image/jpg",
0.8
MIME_TYPE,
COMPRESSION_RATE
);
if (imageBlob) {
let url = URL.createObjectURL(imageBlob);
this.pages[lastPage].base64 = this.pages[
lastPage
].croppa.generateDataUrl("image/jpg", 0.8);
].croppa.generateDataUrl(MIME_TYPE, COMPRESSION_RATE);
this.pages[lastPage].image = url;
}
}
@ -365,7 +402,7 @@ export default {
});
}
this.pageRotation = 0;
this.pageZoom = 500;
this.pageZoom = DEFAULT_ZOOM;
return true;
},
pageRotation: function(newAngle) {
@ -424,6 +461,22 @@ export default {
onCroppaImageLoaded() {
this.pages[this.currentPage].imageLoaded = true;
},
async promiseAllProgress(
promises: Promise<any>[],
callback: (done: number, total: number) => void
): Promise<any> {
let counter = 0;
callback(counter, promises.length);
for (let i = 0; i < promises.length; i++) {
const promise = promises[i];
promise.then(async val => {
counter++;
callback(counter, promises.length);
return val;
});
}
return Promise.all(promises);
},
async onUploadClicked() {
//TODO: Better validations
if (!this.book.title || !this.book.title.length) {
@ -448,12 +501,14 @@ export default {
return;
}
this.uploading = true;
try {
const resp = await Services.ApiService.uploadBook({
title: this.book.title,
author: this.book.author,
ltr: this.book.ltr,
pages: this.pages.map(
p => p.base64 || p.croppa.generateDataUrl("image/jpg", 0.7)
p =>
p.base64 || p.croppa.generateDataUrl(MIME_TYPE, COMPRESSION_RATE)
)
});
if (resp.code === 0) {
@ -469,6 +524,9 @@ export default {
level: "danger"
});
}
} catch (e) {
console.log(`Error... ${e.message}`);
}
this.uploading = false;
},
async onAddPageClicked() {
@ -489,8 +547,8 @@ export default {
console.log("In else");
const nextPage = lastPage + 1;
const imageBlob = await this.pages[lastPage].croppa.promisedBlob(
"image/jpg",
0.8
MIME_TYPE,
COMPRESSION_RATE
);
if (!imageBlob) {
this.notify({
@ -501,10 +559,12 @@ export default {
return;
}
let url = URL.createObjectURL(imageBlob);
this.pages.base64 = this.pages[lastPage].croppa.generateDataUrl(
"image/jpg",
0.8
);
this.pages[lastPage].base64 = this.pages[
lastPage
].croppa.generateDataUrl(MIME_TYPE, COMPRESSION_RATE);
const c01 = this.pages[lastPage].croppa.generateDataUrl(MIME_TYPE, 0.1);
console.log(`COMPRESSION_RATE: ${this.pages[lastPage].base64.length}`);
console.log(`0.1: ${c01.length}`);
this.pages[lastPage].image = url;
this.pages.push({
text: `Page ${nextPage}`,
@ -566,16 +626,18 @@ export default {
rtl: true
},
pages: [],
bookWidth: 400,
bookHeight: 600,
bookWidth: DEFAULT_PAGE_WIDTH,
bookHeight: DEFAULT_PAGE_HEIGHT,
previewPages: [],
editMode: true,
currentPage: -7,
flipbookRef: false,
pageRotation: 0,
pageZoom: 500,
pageZoom: DEFAULT_ZOOM,
uploading: false,
errors: {}
errors: {},
DEFAULT_PAGE_WIDTH,
DEFAULT_PAGE_HEIGHT
};
}
};

2
resources/scripts/applications/services/api.service.ts
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@ -33,7 +33,7 @@ export default class ApiService {
return (await fetch('/api/v1/client/book/create', options)).json();
} catch (e) {
console.error(`uploadBook ERROR: ${e.message}`);
return e;
throw e;
}
}