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<script lang="ts">
import { createEventDispatcher } from "svelte";
import { Download, Image as ImageIcon } from "@gradio/icons";
import { DownloadLink } from "@gradio/wasm/svelte";
import { uploadToHuggingFace } from "@gradio/utils";
import { BlockLabel, IconButton, ShareButton, SelectSource} from "@gradio/atoms";
import { Upload } from "@gradio/upload";
import type { FileData } from "@gradio/client";
import type { I18nFormatter, SelectData } from "@gradio/utils";
import { Clear } from "@gradio/icons";
import ImageCanvas from "./ImageCanvas.svelte";
import AnnotatedImageData from "./AnnotatedImageData";
type source_type = "upload" | "clipboard" | null;
export let value: null | AnnotatedImageData;
export let label: string | undefined = undefined;
export let show_label: boolean;
export let sources: source_type[] = ["upload", "clipboard"];
export let selectable = false;
export let root: string;
export let interactive: boolean;
export let i18n: I18nFormatter;
export let showShareButton: boolean;
export let showDownloadButton: boolean;
export let showClearButton: boolean;
export let boxesAlpha;
export let labelList: string[];
export let labelColors: string[];
export let boxMinSize: number;
let upload: Upload;
let uploading = false;
export let active_source: source_type = null;
function handle_upload({ detail }: CustomEvent<FileData>): void {
value = new AnnotatedImageData();
value.image = detail;
dispatch("upload");
}
function handle_clear(): void {
clear();
dispatch("clear");
dispatch("change");
}
$: if (uploading) clear();
const dispatch = createEventDispatcher<{
change: undefined;
clear: undefined;
drag: boolean;
upload: undefined;
select: SelectData;
}>();
let dragging = false;
$: dispatch("drag", dragging);
$: if (!active_source && sources) {
active_source = sources[0];
}
async function handle_select_source(
source: (typeof sources)[number]
): Promise<void> {
switch (source) {
case "clipboard":
upload.paste_clipboard();
break;
default:
break;
}
}
function clear() {
value = null;
}
</script>
<BlockLabel {show_label} Icon={ImageIcon} label={label || "Image Annotator"} />
<div class="icon-buttons">
{#if showDownloadButton && value !== null}
<DownloadLink href={value.image.url} download={value.image.orig_name || "image"}>
<IconButton Icon={Download} label={i18n("common.download")} />
</DownloadLink>
{/if}
{#if showShareButton && value !== null}
<ShareButton
{i18n}
on:share
on:error
formatter={async (value) => {
if (value === null) return "";
let url = await uploadToHuggingFace(value.image, "base64");
// let url = await uploadToHuggingFace(value, "base64");
return `<img src="${url}" />`;
}}
{value}
/>
{/if}
{#if showClearButton && value !== null && interactive}
<div>
<IconButton
Icon={Clear}
label="Remove Image"
on:click={clear}
/>
</div>
{/if}
</div>
<div data-testid="image" class="image-container">
<div class="upload-container">
<Upload
hidden={value !== null}
bind:this={upload}
bind:uploading
bind:dragging
filetype={active_source === "clipboard" ? "clipboard" : "image/*"}
on:load={handle_upload}
on:error
{root}
disable_click={!sources.includes("upload")}
>
{#if value === null}
<slot />
{/if}
</Upload>
{#if value !== null}
<div class:selectable class="image-frame" >
<ImageCanvas
bind:value
on:change={() => dispatch("change")}
{boxesAlpha}
{labelList}
{labelColors}
{boxMinSize}
{interactive}
src={value.image.url}
/>
</div>
{/if}
</div>
{#if (sources.length > 1 || sources.includes("clipboard")) && value === null && interactive}
<SelectSource
{sources}
bind:active_source
{handle_clear}
handle_select={handle_select_source}
/>
{/if}
</div>
<style>
.image-frame :global(img) {
width: var(--size-full);
height: var(--size-full);
object-fit: cover;
}
.image-frame {
object-fit: cover;
width: 100%;
}
.upload-container {
height: 100%;
width: 100%;
flex-shrink: 1;
max-height: 100%;
}
.image-container {
display: flex;
height: 100%;
flex-direction: column;
justify-content: center;
align-items: center;
max-height: 100%;
}
.selectable {
cursor: crosshair;
}
.icon-buttons {
display: flex;
position: absolute;
top: 6px;
right: 6px;
gap: var(--size-1);
}
</style>
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