Image width/height for gallery component, don't save ImageCache props
This commit is contained in:
space-nuko
396
src/lib/components/gradio/gallery/Gallery.svelte
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396
src/lib/components/gradio/gallery/Gallery.svelte
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<script lang="ts">
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import { BlockLabel, Empty } from "@gradio/atoms";
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import { ModifyUpload } from "@gradio/upload";
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import type { SelectData } from "@gradio/utils";
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import { createEventDispatcher } from "svelte";
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import { tick } from "svelte";
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import type { Styles } from "@gradio/utils";
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import { get_styles } from "@gradio/utils";
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import { Image } from "@gradio/icons";
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import type { FileData } from "@gradio/upload";
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import { normalise_file } from "@gradio/upload";
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export let show_label: boolean = true;
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export let label: string;
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export let root: string = "";
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export let root_url: null | string = null;
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export let value: Array<string> | Array<FileData> | null = null;
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export let style: Styles = {
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grid_cols: [2],
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object_fit: "cover",
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height: "auto"
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};
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export let imageWidth: number = 1;
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export let imageHeight: number = 1;
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const dispatch = createEventDispatcher<{
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select: SelectData;
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}>();
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// tracks whether the value of the gallery was reset
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let was_reset: boolean = true;
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$: if (selected_image == null || was_reset) {
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imageWidth = 1;
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imageHeight = 1;
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}
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$: was_reset = value == null || value.length == 0 ? true : was_reset;
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$: _value =
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value === null
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? null
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: value.map((img) =>
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Array.isArray(img)
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? [normalise_file(img[0], root, root_url), img[1]]
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: [normalise_file(img, root, root_url), null]
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);
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let prevValue: string[] | FileData[] | null = value;
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let selected_image: number | null = null;
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let old_selected_image: number | null = null;
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$: if (prevValue !== value) {
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// When value is falsy (clear button or first load),
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// style.preview determines the selected image
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if (was_reset) {
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selected_image = style.preview && value?.length ? 0 : null;
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was_reset = false;
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// Otherwise we keep the selected_image the same if the
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// gallery has at least as many elements as it did before
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} else {
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selected_image =
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selected_image !== null &&
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value !== null &&
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selected_image < value.length
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? selected_image
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: null;
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}
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prevValue = value;
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}
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$: previous =
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((selected_image ?? 0) + (_value?.length ?? 0) - 1) % (_value?.length ?? 0);
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$: next = ((selected_image ?? 0) + 1) % (_value?.length ?? 0);
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function on_keydown(e: KeyboardEvent) {
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switch (e.code) {
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case "Escape":
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e.preventDefault();
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selected_image = null;
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break;
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case "ArrowLeft":
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e.preventDefault();
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selected_image = previous;
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break;
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case "ArrowRight":
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e.preventDefault();
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selected_image = next;
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break;
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default:
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break;
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}
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}
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$: {
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if (selected_image !== old_selected_image) {
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old_selected_image = selected_image;
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if (selected_image !== null) {
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dispatch("select", {
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index: selected_image,
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value: _value?.[selected_image][1]
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});
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}
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}
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}
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$: scroll_to_img(selected_image);
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let el: Array<HTMLButtonElement> = [];
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let container: HTMLDivElement;
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async function scroll_to_img(index: number | null) {
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if (typeof index !== "number") return;
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await tick();
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el[index].focus();
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const { left: container_left, width: container_width } =
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container.getBoundingClientRect();
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const { left, width } = el[index].getBoundingClientRect();
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const relative_left = left - container_left;
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const pos =
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relative_left + width / 2 - container_width / 2 + container.scrollLeft;
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container.scrollTo({
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left: pos < 0 ? 0 : pos,
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behavior: "smooth"
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});
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}
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$: can_zoom = window_height >= height;
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function add_height_to_styles(style: Styles): string {
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styles = get_styles(style, ["grid_cols", "grid_rows", "object_fit"]).styles;
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return styles + ` height: ${style.height}`;
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}
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$: styles = add_height_to_styles(style);
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let height = 0;
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let window_height = 0;
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</script>
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<svelte:window bind:innerHeight={window_height} />
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{#if show_label}
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<BlockLabel
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{show_label}
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Icon={Image}
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label={label || "Gallery"}
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disable={typeof style.container === "boolean" && !style.container}
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/>
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{/if}
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{#if value === null || _value === null || _value.length === 0}
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<Empty size="large" unpadded_box={true}><Image /></Empty>
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{:else}
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{#if selected_image !== null}
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<div
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on:keydown={on_keydown}
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class="preview"
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class:fixed-height={style.height !== "auto"}
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>
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<ModifyUpload on:clear={() => (selected_image = null)} />
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<img
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on:click={() => (selected_image = next)}
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src={_value[selected_image][0].data}
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alt={_value[selected_image][1] || ""}
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title={_value[selected_image][1] || null}
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class:with-caption={!!_value[selected_image][1]}
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style="height: calc(100% - {_value[selected_image][1]
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? '80px'
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: '60px'})"
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bind:naturalWidth={imageWidth}
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bind:naturalHeight={imageHeight}
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/>
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{#if _value[selected_image][1]}
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<div class="caption">
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{_value[selected_image][1]}
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</div>
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{/if}
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<div bind:this={container} class="thumbnails scroll-hide">
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{#each _value as image, i}
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<button
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bind:this={el[i]}
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on:click={() => (selected_image = i)}
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class="thumbnail-item thumbnail-small"
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class:selected={selected_image === i}
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>
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<img
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src={image[0].data}
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title={image[1] || null}
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alt={image[1] || null}
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/>
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</button>
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{/each}
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</div>
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</div>
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{/if}
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<div
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bind:clientHeight={height}
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class="grid-wrap"
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class:fixed-height={!style.height || style.height == "auto"}
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>
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<div class="grid-container" style={styles} class:pt-6={show_label}>
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{#each _value as [image, caption], i}
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<button
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class="thumbnail-item thumbnail-lg"
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class:selected={selected_image === i}
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on:click={() => (selected_image = can_zoom ? i : selected_image)}
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>
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<img
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alt={caption || ""}
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src={typeof image === "string" ? image : image.data}
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/>
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{#if caption}
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<div class="caption-label">
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{caption}
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</div>
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{/if}
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</button>
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{/each}
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</div>
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</div>
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{/if}
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<style lang="postcss">
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.preview {
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display: flex;
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position: absolute;
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top: 0px;
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right: 0px;
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bottom: 0px;
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left: 0px;
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flex-direction: column;
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z-index: var(--layer-2);
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backdrop-filter: blur(8px);
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background: var(--background-fill-primary);
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height: var(--size-full);
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}
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.fixed-height {
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min-height: var(--size-80);
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max-height: 55vh;
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}
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@media (--screen-xl) {
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.fixed-height {
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min-height: 450px;
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}
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}
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.preview img {
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width: var(--size-full);
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height: calc(var(--size-full) - 60px);
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object-fit: contain;
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}
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.preview img.with-caption {
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height: calc(var(--size-full) - 80px);
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}
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.caption {
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padding: var(--size-2) var(--size-3);
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overflow: hidden;
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color: var(--block-label-text-color);
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font-weight: var(--weight-semibold);
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text-align: center;
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text-overflow: ellipsis;
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white-space: nowrap;
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}
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.thumbnails {
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display: flex;
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position: absolute;
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bottom: 0;
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justify-content: center;
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align-items: center;
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gap: var(--spacing-lg);
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width: var(--size-full);
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height: var(--size-14);
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overflow-x: scroll;
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}
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.thumbnail-item {
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--ring-color: transparent;
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position: relative;
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outline: none;
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box-shadow: 0 0 0 2px var(--ring-color), var(--shadow-drop);
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border: 1px solid var(--border-color-primary);
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border-radius: var(--button-small-radius);
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background: var(--background-fill-secondary);
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aspect-ratio: var(--ratio-square);
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width: var(--size-full);
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height: var(--size-full);
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overflow: clip;
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}
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.thumbnail-item:hover {
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--ring-color: var(--border-color-accent);
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filter: brightness(1.1);
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border-color: var(--border-color-accent);
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}
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.thumbnail-small {
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flex: none;
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transform: scale(0.9);
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transition: 0.075s;
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width: var(--size-9);
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height: var(--size-9);
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}
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.thumbnail-small.selected {
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--ring-color: var(--color-accent);
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transform: scale(1);
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border-color: var(--color-accent);
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}
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.thumbnail-small > img {
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width: var(--size-full);
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height: var(--size-full);
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overflow: hidden;
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object-fit: var(--object-fit);
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}
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.grid-wrap {
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padding: var(--size-2);
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height: var(--size-full);
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overflow-y: auto;
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}
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.grid-container {
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display: grid;
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grid-template-rows: var(--grid-rows);
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grid-template-columns: var(--grid-cols);
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gap: var(--spacing-lg);
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}
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@media (--screen-sm) {
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.grid-container {
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grid-template-columns: var(--sm-grid-cols);
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}
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}
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@media (--screen-md) {
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.grid-container {
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grid-template-columns: var(--md-grid-cols);
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}
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}
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@media (--screen-lg) {
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.grid-container {
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grid-template-columns: var(--lg-grid-cols);
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}
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}
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@media (--screen-xl) {
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.grid-container {
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grid-template-columns: var(--xl-grid-cols);
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}
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}
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@media (--screen-xxl) {
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.grid-container {
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grid-template-columns: var(--2xl-grid-cols);
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}
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}
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.thumbnail-lg > img {
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width: var(--size-full);
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height: var(--size-full);
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overflow: hidden;
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object-fit: var(--object-fit);
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}
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.thumbnail-lg:hover .caption-label {
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opacity: 0.5;
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}
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.caption-label {
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position: absolute;
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right: var(--block-label-margin);
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bottom: var(--block-label-margin);
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z-index: var(--layer-1);
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border-top: 1px solid var(--border-color-primary);
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border-left: 1px solid var(--border-color-primary);
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border-radius: var(--block-label-radius);
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background: var(--background-fill-secondary);
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padding: var(--block-label-padding);
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max-width: 80%;
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overflow: hidden;
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font-size: var(--block-label-text-size);
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text-align: left;
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text-overflow: ellipsis;
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white-space: nowrap;
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}
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</style>
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1
src/lib/components/gradio/gallery/index.ts
Normal file
1
src/lib/components/gradio/gallery/index.ts
Normal file
@@ -0,0 +1 @@
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export { default as Gallery } from "./Gallery.svelte"
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