61 lines
3.9 KiB
TypeScript
61 lines
3.9 KiB
TypeScript
import { commandIds } from "@commands/ids";
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import type { ImageDocument } from "@core/document";
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import type { Vec2D } from "@core/geometry";
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import type { Layer } from "@core/layer";
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import { getLayerMask } from "@core/layer-mask-utils";
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import { resolveTransformTargetBounds } from "@editor/transform-targets";
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import type { AppStore } from "@editor/store";
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import type { EditorState } from "@editor/state";
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import { createWandMask } from "@platform/browser/magicWandRaster";
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export async function applyMagicWandAt(store: AppStore, point: Vec2D, modeOverride?: EditorState["tools"]["magicWand"]["mode"]) {
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const state = store.getState();
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if (state.editor.tools.activeTool !== "magicWand") return false;
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const target = resolveTarget(state.document, state.editor);
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if (!target) return true;
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const x = Math.floor((point.x - target.layer.transform.position.x) / Math.max(0.0001, target.layer.transform.scale.x));
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const y = Math.floor((point.y - target.layer.transform.position.y) / Math.max(0.0001, target.layer.transform.scale.y));
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if (x < 0 || y < 0 || x >= target.asset.intrinsicSize.w || y >= target.asset.intrinsicSize.h) return true;
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const source = await createWandMask(target.asset.source, target.maskAsset?.source, Math.round(target.asset.intrinsicSize.w), Math.round(target.asset.intrinsicSize.h), x, y, { ...state.editor.tools.magicWand, mode: modeOverride ?? state.editor.tools.magicWand.mode });
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if (target.maskAsset && target.maskLayer && target.maskLayer.type !== "group" && target.maskLayer.type !== "adjustment") {
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store.dispatch(commandIds.documentApplyLayerMaskOperation, { maskLayerId: target.maskLayer.id, source, mimeType: "image/png", operation: { type: "magicWand" } });
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return true;
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}
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const assetId = crypto.randomUUID();
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const maskLayerId = crypto.randomUUID();
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const width = Math.max(1, Math.round(target.asset.intrinsicSize.w));
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const height = Math.max(1, Math.round(target.asset.intrinsicSize.h));
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store.dispatch(commandIds.documentAddLayerMask, {
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layerId: target.layer.id,
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asset: { id: assetId, name: `${target.layer.name} Wand Mask`, mimeType: "image/png", source, intrinsicSize: { w: width, h: height } },
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maskLayer: { id: maskLayerId, type: "raster", name: `${target.layer.name} Wand Mask`, visible: true, locked: false, opacity: 1, assetId, transform: { position: { x: target.bounds.x, y: target.bounds.y }, scale: { x: target.bounds.w / width, y: target.bounds.h / height }, rotation: target.layer.transform.rotation } },
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});
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store.dispatch(commandIds.toolExitMaskEdit, undefined);
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store.dispatch(commandIds.toolSetActive, { tool: "magicWand" });
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return true;
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}
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function resolveTarget(document: ImageDocument, editor: EditorState) {
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const layerId = editor.selection.layerIds[0];
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if (!layerId || editor.selection.layerIds.length !== 1) return undefined;
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const layer = findLayer(document.artboards.flatMap((artboard) => artboard.layers), layerId);
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if (!layer || layer.type === "group" || layer.type === "adjustment") return undefined;
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const asset = document.assets.find((candidate) => candidate.id === layer.assetId);
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const bounds = resolveTransformTargetBounds(document, { type: "layer", id: layer.id });
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const layerMask = getLayerMask(layer);
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const maskLayer = layerMask?.enabled ? findLayer(document.artboards.flatMap((artboard) => artboard.layers), layerMask.maskLayerId) : undefined;
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const maskAsset = maskLayer && maskLayer.type !== "group" && maskLayer.type !== "adjustment" ? document.assets.find((candidate) => candidate.id === maskLayer.assetId) : undefined;
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return asset && bounds ? { layer, asset, bounds, maskLayer, maskAsset } : undefined;
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}
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function findLayer(layers: readonly Layer[], layerId: string): Layer | undefined {
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for (const layer of layers) {
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if (layer.id === layerId) return layer;
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if (layer.type === "group") {
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const found = findLayer(layer.children, layerId);
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if (found) return found;
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}
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}
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return undefined;
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}
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