323 lines
7.5 KiB
Svelte
323 lines
7.5 KiB
Svelte
<script lang="ts">
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import type { IEntry } from "@upnd/upend/types";
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import api from "../../../lib/api";
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import { useEntity } from "../../../lib/entity";
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import IconButton from "../../utils/IconButton.svelte";
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import Spinner from "../../utils/Spinner.svelte";
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import UpObject from "../UpObject.svelte";
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import { ATTR_LABEL } from "@upnd/upend/constants";
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import { i18n } from "../../../i18n";
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export let address: string;
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export let detail: boolean;
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let editable = false;
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const { entity } = useEntity(address);
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let imageLoaded = false;
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let imageEl: HTMLImageElement;
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$: svg = Boolean($entity?.get("FILE_MIME")?.toString().includes("svg+xml"));
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interface Annotorious {
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addAnnotation: (a: W3cAnnotation) => void;
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on: ((
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e: "createAnnotation" | "deleteAnnotation",
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c: (a: W3cAnnotation) => void,
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) => void) &
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((
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e: "updateAnnotation",
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c: (a: W3cAnnotation, b: W3cAnnotation) => void,
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) => void);
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clearAnnotations: () => void;
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readOnly: boolean;
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destroy: () => void;
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}
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interface W3cAnnotation {
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type: "Annotation";
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body: Array<{ type: "TextualBody"; value: string; purpose: "commenting" }>;
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target: {
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selector: {
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type: "FragmentSelector";
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conformsTo: "http://www.w3.org/TR/media-frags/";
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value: string;
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};
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};
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"@context": "http://www.w3.org/ns/anno.jsonld";
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id: string;
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}
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let anno: Annotorious;
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$: if (anno) anno.readOnly = !editable;
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$: if (anno) {
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anno.clearAnnotations();
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$entity?.backlinks
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.filter((e) => e.attribute == "ANNOTATES")
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.forEach(async (e) => {
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const annotation = await api.fetchEntity(e.entity);
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if (annotation.get("W3C_FRAGMENT_SELECTOR")) {
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anno.addAnnotation({
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type: "Annotation",
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body: annotation.attr[ATTR_LABEL].map((e) => {
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return {
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type: "TextualBody",
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value: String(e.value.c),
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purpose: "commenting",
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};
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}),
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target: {
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selector: {
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type: "FragmentSelector",
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conformsTo: "http://www.w3.org/TR/media-frags/",
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value: String(annotation.get("W3C_FRAGMENT_SELECTOR")),
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},
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},
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"@context": "http://www.w3.org/ns/anno.jsonld",
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id: e.entity,
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});
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}
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});
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}
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$: hasAnnotations = $entity?.backlinks.some(
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(e) => e.attribute === "ANNOTATES",
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);
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let a8sLinkTarget: HTMLDivElement;
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let a8sLinkAddress: string;
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async function loaded() {
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const { Annotorious } = await import("@recogito/annotorious");
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if (anno) {
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anno.destroy();
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}
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anno = new Annotorious({
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image: imageEl,
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drawOnSingleClick: true,
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fragmentUnit: "percent",
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widgets: [
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"COMMENT",
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(info: { annotation: W3cAnnotation }) => {
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a8sLinkAddress = info.annotation?.id;
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return a8sLinkTarget;
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},
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],
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});
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anno.on("createAnnotation", async (annotation) => {
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const [_, uuid] = await api.putEntry({
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entity: {
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t: "Uuid",
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},
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});
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annotation.id = uuid;
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await api.putEntry([
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{
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entity: uuid,
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attribute: "ANNOTATES",
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value: {
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t: "Address",
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c: address,
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},
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},
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{
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entity: uuid,
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attribute: "W3C_FRAGMENT_SELECTOR",
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value: {
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t: "String",
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c: annotation.target.selector.value,
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},
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},
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...annotation.body.map((body) => {
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return {
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entity: uuid,
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attribute: ATTR_LABEL,
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value: {
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t: "String",
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c: body.value,
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},
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} as IEntry;
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}),
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]);
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});
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anno.on("updateAnnotation", async (annotation) => {
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const annotationObject = await api.fetchEntity(annotation.id);
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await Promise.all(
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annotationObject.attr[ATTR_LABEL].concat(
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annotationObject.attr["W3C_FRAGMENT_SELECTOR"],
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).map(async (e) => api.deleteEntry(e.address)),
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);
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await api.putEntry([
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{
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entity: annotation.id,
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attribute: "W3C_FRAGMENT_SELECTOR",
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value: {
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t: "String",
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c: annotation.target.selector.value,
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},
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},
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...annotation.body.map((body) => {
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return {
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entity: annotation.id,
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attribute: ATTR_LABEL,
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value: {
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t: "String",
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c: body.value,
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},
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} as IEntry;
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}),
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]);
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});
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anno.on("deleteAnnotation", async (annotation) => {
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await api.deleteEntry(annotation.id);
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});
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imageLoaded = true;
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}
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function clicked() {
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if (!document.fullscreenElement) {
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if (!editable && !hasAnnotations) {
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imageEl.requestFullscreen();
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}
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} else {
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document.exitFullscreen();
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}
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}
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let brightnesses = [0.5, 0.75, 1, 1.25, 1.5, 2, 2.5];
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let brightnessIdx = 2;
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function cycleBrightness() {
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brightnessIdx++;
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brightnessIdx = brightnessIdx % brightnesses.length;
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}
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let contrasts = [0.5, 0.75, 1, 1.25, 1.5];
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let contrastsIdx = 2;
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function cycleContrast() {
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contrastsIdx++;
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contrastsIdx = contrastsIdx % contrasts.length;
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}
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$: {
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if (imageEl) {
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const brightness = brightnesses[brightnessIdx];
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const contrast = contrasts[contrastsIdx];
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imageEl.style.filter = `brightness(${brightness}) contrast(${contrast})`;
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}
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}
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</script>
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<div class="image-viewer">
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{#if !imageLoaded}
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<Spinner centered />
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{/if}
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{#if imageLoaded}
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<div class="toolbar">
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<IconButton
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name="edit"
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on:click={() => (editable = !editable)}
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active={editable}
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>
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{$i18n.t("Annotate")}
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</IconButton>
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<div class="image-controls">
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<IconButton name="brightness-half" on:click={cycleBrightness}>
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{$i18n.t("Brightness")}
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</IconButton>
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<IconButton name="tone" on:click={cycleContrast}>
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{$i18n.t("Contrast")}
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</IconButton>
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</div>
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</div>
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{/if}
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<div
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class="image"
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class:zoomable={!editable && !hasAnnotations}
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on:click={clicked}
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on:keydown={(ev) => {
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if (ev.key === "Enter") clicked();
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}}
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>
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<img
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class="preview-image"
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src="{api.apiUrl}/{detail || svg ? 'raw' : 'thumb'}/{address}"
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alt={address}
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on:load={loaded}
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bind:this={imageEl}
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draggable="false"
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/>
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</div>
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<div class="a8sUpLink" bind:this={a8sLinkTarget}>
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{#if a8sLinkAddress}
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<div class="link">
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<UpObject link address={a8sLinkAddress} />
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</div>
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{/if}
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</div>
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</div>
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<style global lang="scss">
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@use "@recogito/annotorious/dist/annotorious.min.css";
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.image-viewer {
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display: flex;
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flex-direction: column;
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min-height: 0;
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.image {
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display: flex;
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justify-content: center;
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min-height: 0;
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& > *,
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img {
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min-width: 0;
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max-width: 100%;
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min-height: 0;
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max-height: 100%;
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}
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img {
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margin: auto;
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}
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}
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.toolbar {
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display: flex;
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justify-content: space-between;
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margin-bottom: 0.5em;
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.image-controls {
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display: flex;
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}
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}
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.zoomable {
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cursor: zoom-in;
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}
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img:fullscreen {
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cursor: zoom-out;
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}
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}
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.r6o-editor {
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font-family: inherit;
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}
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.a8sUpLink {
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text-align: initial;
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.link {
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margin: 0.5em 1em;
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}
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}
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</style>
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