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<script lang="ts">
import { getContext, onMount, tick, createEventDispatcher } from "svelte";
import { type ToolContext, TOOL_KEY } from "./Tools.svelte";
import { type EditorContext, EDITOR_KEY } from "../ImageEditor.svelte";
import {
Image as ImageIcon,
Webcam as WebcamIcon,
ImagePaste
} from "@gradio/icons";
import { Upload } from "@gradio/upload";
import { Webcam } from "@gradio/image";
import { type I18nFormatter } from "@gradio/utils";
import { IconButton } from "@gradio/atoms";
import { type Client } from "@gradio/client";
import { add_bg_color, add_bg_image } from "./sources";
import type { FileData } from "@gradio/client";
export let background_file: FileData | null;
export let root: string;
export let sources: ("upload" | "webcam" | "clipboard")[] = [
"upload",
"webcam",
"clipboard"
];
export let mirror_webcam = true;
export let i18n: I18nFormatter;
export let upload: Client["upload"];
export let stream_handler: Client["stream"];
const { active_tool } = getContext<ToolContext>(TOOL_KEY);
const { pixi, dimensions, register_context, reset, editor_box } =
getContext<EditorContext>(EDITOR_KEY);
export let active_mode: "webcam" | "color" | null = null;
let background: Blob | File | null;
const dispatch = createEventDispatcher<{
upload: never;
}>();
const sources_meta = {
upload: {
icon: ImageIcon,
label: "Upload",
order: 0,
id: "bg_upload",
cb() {
upload_component.open_file_upload();
$active_tool = "bg";
}
},
webcam: {
icon: WebcamIcon,
label: "Webcam",
order: 1,
id: "bg_webcam",
cb() {
active_mode = "webcam";
$active_tool = "bg";
}
},
clipboard: {
icon: ImagePaste,
label: "Paste",
order: 2,
id: "bg_clipboard",
cb() {
process_clipboard();
$active_tool = null;
}
}
} as const;
$: sources_list = sources
.map((src) => sources_meta[src])
.sort((a, b) => a.order - b.order);
let upload_component: Upload;
async function process_clipboard(): Promise<void> {
const items = await navigator.clipboard.read();
for (let i = 0; i < items.length; i++) {
const type = items[i].types.find((t) => t.startsWith("image/"));
if (type) {
const blob = await items[i].getType(type);
background = blob || null;
}
}
}
function handle_upload(e: CustomEvent<Blob | any>): void {
const file_data = e.detail;
background = file_data;
active_mode = null;
}
let should_reset = true;
async function set_background(): Promise<void> {
if (!$pixi) return;
if (background) {
const add_image = add_bg_image(
$pixi.background_container,
$pixi.renderer,
background,
$pixi.resize
);
$dimensions = await add_image.start();
if (should_reset) {
reset(false, $dimensions);
}
add_image.execute();
should_reset = true;
await tick();
bg = true;
}
}
async function process_bg_file(file: FileData | null): Promise<void> {
if (!file || !file.url) return;
should_reset = false;
const blob_res = await fetch(file.url);
const blob = await blob_res.blob();
background = blob;
}
function handle_key(e: KeyboardEvent): void {
if (e.key === "Escape") {
active_mode = null;
}
}
$: background && set_background();
$: process_bg_file(background_file);
export let bg = false;
register_context("bg", {
init_fn: () => {
if (!$pixi) return;
const add_image = add_bg_color(
$pixi.background_container,
$pixi.renderer,
"black",
...$dimensions,
$pixi.resize
);
$dimensions = add_image.start();
add_image.execute();
},
reset_fn: () => {}
});
</script>
<svelte:window on:keydown={handle_key} />
{#if sources.length}
<div class="source-wrap">
{#each sources_list as { icon, label, id, cb } (id)}
<IconButton
Icon={icon}
size="medium"
padded={false}
label={label + " button"}
hasPopup={true}
transparent={true}
on:click={cb}
/>
{/each}
<span class="sep"></span>
</div>
<div class="upload-container">
<Upload
hidden={true}
bind:this={upload_component}
filetype="image/*"
on:load={handle_upload}
on:error
{root}
disable_click={!sources.includes("upload")}
format="blob"
{upload}
{stream_handler}
></Upload>
{#if active_mode === "webcam"}
<div
class="modal"
style:max-width="{$editor_box.child_width}px"
style:max-height="{$editor_box.child_height}px"
style:top="{$editor_box.child_top - $editor_box.parent_top}px"
>
<div class="modal-inner">
<Webcam
{upload}
{root}
on:capture={handle_upload}
on:error
on:drag
{mirror_webcam}
streaming={false}
mode="image"
include_audio={false}
{i18n}
/>
</div>
</div>
{/if}
</div>
{/if}
<style>
.modal {
position: absolute;
height: 100%;
width: 100%;
left: 0;
right: 0;
margin: auto;
z-index: var(--layer-top);
display: flex;
align-items: center;
}
.modal-inner {
width: 100%;
}
.sep {
height: 12px;
background-color: var(--block-border-color);
width: 1px;
display: block;
margin-left: var(--spacing-xl);
}
.source-wrap {
display: flex;
justify-content: center;
align-items: center;
margin-left: var(--spacing-lg);
height: 100%;
}
</style>
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