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180
support-figma/extended-layout-plugin/src/vector-res-module.ts
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| /** | ||
| * Copyright 2024 Google LLC | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| import * as Utils from "./utils"; | ||
|
|
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| const IMAGE_REPLACEMENT_RES_NAME = "image_replacement_res_name"; | ||
|
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| // Node id to vector root(frame node) | ||
| const vectorFrames = new Map<string, SceneNode>(); | ||
| // ResName to image bytes map | ||
| const resToImageBytesMap = new Map<string, Uint8Array>(); | ||
| // ResName to node id array map | ||
| const resToNodesMap = new Map<string, Array<string>>(); | ||
|
|
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| export async function exportAllVectorsAsync(): Promise<{ | ||
| vectorResToImageBytesMap: Map<string, Uint8Array>; | ||
| vectorResToNodesMap: Map<string, Array<string>>; | ||
| }> { | ||
| await figma.loadAllPagesAsync(); | ||
|
|
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| vectorFrames.clear(); | ||
| resToImageBytesMap.clear(); | ||
| resToNodesMap.clear(); | ||
|
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| const vectorNodes = figma.root.findAll((node) => node.type === "VECTOR"); | ||
|
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| for (const vectorNode of vectorNodes) { | ||
| const frameAncestor = findFrameAncestor(vectorNode); | ||
| if (frameAncestor && isVectorRoot(frameAncestor)) { | ||
| vectorFrames.set(frameAncestor.id, frameAncestor); | ||
| } | ||
| } | ||
|
|
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| for (const [frameNodeId, frameNode] of vectorFrames) { | ||
| const imageBytes = await frameNode.exportAsync({format: "PNG", colorProfile: "SRGB", contentsOnly: true }); | ||
| const cachedResName = getResName(frameNode); | ||
| var resName = cachedResName | ||
| ? cachedResName | ||
| : `ic_${Utils.toSnakeCase(frameNode.name)}`; | ||
| var index = 0; | ||
| while (resToImageBytesMap.has(resName)) { | ||
| index += 1; | ||
| resName = resName + "_" + index; | ||
| } | ||
| resToImageBytesMap.set(resName, imageBytes); | ||
| resToNodesMap.set(resName, [frameNodeId]); | ||
| setResName(frameNode, resName); | ||
| } | ||
|
|
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| return { vectorResToImageBytesMap: resToImageBytesMap, vectorResToNodesMap: resToNodesMap }; | ||
| } | ||
|
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| function getResName(node: SceneNode): string { | ||
| return node.getSharedPluginData( | ||
| Utils.SHARED_PLUGIN_NAMESPACE, | ||
| IMAGE_REPLACEMENT_RES_NAME | ||
| ); | ||
| } | ||
|
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| function setResName(node: SceneNode, resName: string) { | ||
| node.setSharedPluginData( | ||
| Utils.SHARED_PLUGIN_NAMESPACE, | ||
| IMAGE_REPLACEMENT_RES_NAME, | ||
| resName | ||
| ); | ||
| } | ||
|
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| function convertToVector(node: SceneNode): string { | ||
| if (node.type === "VECTOR") { | ||
| const fills = node.fills as ReadonlyArray<Paint>; | ||
| if (fills) { | ||
| for (const fill of fills) { | ||
| if (fill.type === "SOLID" && fill.visible !== false) { | ||
| for (const vectorPath of node.vectorPaths) { | ||
| let outputString = ` <path\n android:pathData="${vectorPath.data}"\n android:fillColor="${toHex(fill.color)}"/>\n`; | ||
| return outputString; | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } else if (node.type === "GROUP") { | ||
| let outputString = ` <group android:translationX="${node.x}" android:translationY="${node.y}">\n`; | ||
| // Recurse into any children. | ||
| let maybeParent = node as ChildrenMixin; | ||
| if (maybeParent.children) { | ||
| for (let child of maybeParent.children) { | ||
| outputString = outputString.concat(convertToVector(child)); | ||
| } | ||
| } | ||
| outputString = outputString.concat(" </group>\n"); | ||
| return outputString; | ||
| } else if (node.type === "FRAME") { | ||
| let outputString = `<?xml version="1.0" encoding="utf-8"?>\n`; | ||
| outputString = outputString.concat( | ||
| `<vector xmlns:android="http://schemas.android.com/apk/res/android"\n android:width="${node.width}dp"\n android:height="${node.height}dp"\n android:viewportWidth="${node.width}"\n android:viewportHeight="${node.height}">\n` | ||
| ); | ||
| // Recurse into any children. | ||
| let maybeParent = node as ChildrenMixin; | ||
| if (maybeParent.children) { | ||
| for (let child of maybeParent.children) { | ||
| outputString = outputString.concat(convertToVector(child)); | ||
| } | ||
| } | ||
| outputString = outputString.concat("</vector>"); | ||
| return outputString; | ||
| } | ||
| return ""; | ||
| } | ||
|
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| function findFrameAncestor(node: PageNode | SceneNode): FrameNode | undefined { | ||
| if (node.parent?.type === "FRAME") { | ||
| return node.parent!!; | ||
| } | ||
|
|
||
| if (node.parent?.type === "GROUP") { | ||
| return findFrameAncestor(node.parent!!); | ||
| } | ||
|
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| return undefined; | ||
| } | ||
|
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| function isVectorRoot(frameNode: FrameNode): boolean { | ||
| for (const childNode of frameNode.children) { | ||
| if (!isVectorOrTextOrVectorGroup(childNode)) { | ||
| return false; | ||
| } | ||
| } | ||
| return true; | ||
| } | ||
|
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| // Returns true if the node is a vector node or a group node with vector as descendants. | ||
| function isVectorOrTextOrVectorGroup(node: SceneNode): boolean { | ||
| if (node.type === "VECTOR") { | ||
| return true; | ||
| } | ||
| if (node.type === "TEXT") { | ||
| return true; | ||
| } | ||
| if (node.type === "GROUP") { | ||
| return isVectorGroup(node); | ||
| } | ||
| return false; | ||
| } | ||
|
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| function isVectorGroup(groupNode: GroupNode): boolean { | ||
| for (const childNode of groupNode.children) { | ||
| if (childNode.type === "GROUP") { | ||
| if (!isVectorGroup(childNode)) { | ||
| return false; | ||
| } | ||
| } else if (childNode.type !== "VECTOR" && childNode.type != "TEXT") { | ||
| return false; | ||
| } | ||
| } | ||
| return true; | ||
| } | ||
|
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||
| function toHex(rgb: RGB) { | ||
| return rgbToHex(rgb.r, rgb.g, rgb.b); | ||
| } | ||
|
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| function rgbToHex(r: number, g: number, b: number) { | ||
| const componentToHex = (c: number) => { | ||
| const hex = Math.round(c * 255).toString(16); | ||
| return hex.length == 1 ? "0" + hex : hex; | ||
| }; | ||
| return "#" + componentToHex(r) + componentToHex(g) + componentToHex(b); | ||
| } |