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<script lang="ts">
import type { Gradio, SelectData } from "@gradio/utils";
import { Block, BlockLabel, Empty } from "@gradio/atoms";
import { Image } from "@gradio/icons";
import { StatusTracker } from "@gradio/statustracker";
import type { LoadingStatus } from "@gradio/statustracker";
import { type FileData, normalise_file } from "@gradio/client";
export let elem_id = "";
export let elem_classes: string[] = [];
export let visible = true;
export let value: {
image: FileData;
annotations: { image: FileData; label: string }[] | [];
} | null = null;
let old_value: {
image: FileData;
annotations: { image: FileData; label: string }[] | [];
} | null = null;
let _value: {
image: FileData;
annotations: { image: FileData; label: string }[];
} | null = null;
export let gradio: Gradio<{
change: undefined;
select: SelectData;
}>;
export let label = gradio.i18n("annotated_image.annotated_image");
export let show_label = true;
export let show_legend = true;
export let height: number | undefined;
export let width: number | undefined;
export let color_map: Record<string, string>;
export let container = true;
export let scale: number | null = null;
export let min_width: number | undefined = undefined;
export let root: string;
export let proxy_url: string;
let active: string | null = null;
export let loading_status: LoadingStatus;
$: {
if (value !== old_value) {
old_value = value;
gradio.dispatch("change");
}
if (value) {
_value = {
image: normalise_file(value.image, root, proxy_url) as FileData,
annotations: value.annotations.map((ann) => ({
image: normalise_file(ann.image, root, proxy_url) as FileData,
label: ann.label
}))
};
} else {
_value = null;
}
}
function handle_mouseover(_label: string): void {
active = _label;
}
function handle_mouseout(): void {
active = null;
}
function handle_click(i: number, value: string): void {
gradio.dispatch("select", {
value: label,
index: i
});
}
</script>
<Block
{visible}
{elem_id}
{elem_classes}
padding={false}
{height}
{width}
allow_overflow={false}
{container}
{scale}
{min_width}
>
<StatusTracker
autoscroll={gradio.autoscroll}
i18n={gradio.i18n}
{...loading_status}
/>
<BlockLabel
{show_label}
Icon={Image}
label={label || gradio.i18n("image.image")}
/>
<div class="container">
{#if _value == null}
<Empty size="large" unpadded_box={true}><Image /></Empty>
{:else}
<div class="image-container">
<img
class="base-image"
class:fit-height={height}
src={_value ? _value.image.url : null}
alt="the base file that is annotated"
/>
{#each _value ? _value?.annotations : [] as ann, i}
<img
alt="segmentation mask identifying {label} within the uploaded file"
class="mask fit-height"
class:active={active == ann.label}
class:inactive={active != ann.label && active != null}
src={ann.image.url}
style={color_map && ann.label in color_map
? null
: `filter: hue-rotate(${Math.round(
(i * 360) / _value?.annotations.length
)}deg);`}
/>
{/each}
</div>
{#if show_legend && _value}
<div class="legend">
{#each _value.annotations as ann, i}
<button
class="legend-item"
style="background-color: {color_map && ann.label in color_map
? color_map[ann.label] + '88'
: `hsla(${Math.round(
(i * 360) / _value.annotations.length
)}, 100%, 50%, 0.3)`}"
on:mouseover={() => handle_mouseover(ann.label)}
on:focus={() => handle_mouseover(ann.label)}
on:mouseout={() => handle_mouseout()}
on:blur={() => handle_mouseout()}
on:click={() => handle_click(i, ann.label)}
>
{ann.label}
</button>
{/each}
</div>
{/if}
{/if}
</div>
</Block>
<style>
.base-image {
display: block;
width: 100%;
height: auto;
}
.container {
display: flex;
position: relative;
flex-direction: column;
justify-content: center;
align-items: center;
width: var(--size-full);
height: var(--size-full);
}
.image-container {
position: relative;
top: 0;
left: 0;
flex-grow: 1;
width: 100%;
overflow: hidden;
}
.fit-height {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
object-fit: contain;
}
.mask {
opacity: 0.85;
transition: all 0.2s ease-in-out;
}
.image-container:hover .mask {
opacity: 0.3;
}
.mask.active {
opacity: 1;
}
.mask.inactive {
opacity: 0;
}
.legend {
display: flex;
flex-direction: row;
flex-wrap: wrap;
align-content: center;
justify-content: center;
align-items: center;
gap: var(--spacing-sm);
padding: var(--spacing-sm);
}
.legend-item {
display: flex;
flex-direction: row;
align-items: center;
cursor: pointer;
border-radius: var(--radius-sm);
padding: var(--spacing-sm);
}
</style>
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