feat: support dalle image variation

apps/chat.js

@@ -279,7 +279,7 @@ export class chatgpt extends plugin {
         }
         if (reply) {
           for (let val of reply) {
-            if (val.type == 'image') {
+            if (val.type === 'image') {
               e.img = [val.url]
               break
             }

apps/draw.js

@@ -1,7 +1,7 @@
 import plugin from '../../../lib/plugins/plugin.js'
 import { segment } from 'oicq'
-import { createImage } from '../utils/dalle.js'
-import { makeForwardMsg} from "../utils/common.js";
+import { createImage, imageVariation } from '../utils/dalle.js'
+import { makeForwardMsg } from '../utils/common.js'
 import _ from 'lodash'
 
 export class dalle extends plugin {
@@ -15,6 +15,10 @@ export class dalle extends plugin {
         {
           reg: '#(chatgpt|ChatGPT|dalle|Dalle)(绘图|画图)',
           fnc: 'draw'
+        },
+        {
+          reg: '#(chatgpt|ChatGPT|dalle|Dalle)(修图|图片变形|改图)',
+          fnc: 'variation'
         }
       ]
     })
@@ -37,7 +41,7 @@ export class dalle extends plugin {
       this.reply('大小不符合要求，必须是256x256/512x512/1024x1024中的一个')
       return false
     }
-    await redis.set(`CHATGPT:DRAW:${e.sender.user_id}`, 'c', {EX: 30})
+    await redis.set(`CHATGPT:DRAW:${e.sender.user_id}`, 'c', { EX: 30 })
     let priceMap = {
       '1024x1024': 0.02,
       '512x512': 0.018,
@@ -57,7 +61,51 @@ export class dalle extends plugin {
       this.reply(`绘图失败: ${err}`, true)
       await redis.del(`CHATGPT:DRAW:${e.sender.user_id}`)
     }
+  }
 
-
+  async variation (e) {
+    let ttl = await redis.ttl(`CHATGPT:VARIATION:${e.sender.user_id}`)
+    if (ttl > 0 && !e.isMaster) {
+      this.reply(`冷却中，请${ttl}秒后再试`)
+      return false
+    }
+    let imgUrl
+    if (e.source) {
+      let reply
+      if (e.isGroup) {
+        reply = (await e.group.getChatHistory(e.source.seq, 1)).pop()?.message
+      } else {
+        reply = (await e.friend.getChatHistory(e.source.time, 1)).pop()?.message
+      }
+      if (reply) {
+        for (let val of reply) {
+          if (val.type === 'image') {
+            console.log(val)
+            imgUrl = val.url
+            break
+          }
+        }
+      }
+    } else if (e.img) {
+      imgUrl = e.img[0]?.url
+    }
+    if (!imgUrl) {
+      this.reply('图呢？')
+      return false
+    }
+    await redis.set(`CHATGPT:VARIATION:${e.sender.user_id}`, 'c', { EX: 30 })
+    await this.reply('正在为您生成图片变形，请稍候……')
+    try {
+      let images = (await imageVariation(imgUrl)).map(image => segment.image(`base64://${image}`))
+      if (images.length > 1) {
+        this.reply(await makeForwardMsg(e, images))
+      } else {
+        this.reply(images[0], true)
+      }
+    } catch (err) {
+      console.log(err)
+      this.reply(`绘图失败: ${err}`, true)
+      await redis.del(`CHATGPT:VARIATION:${e.sender.user_id}`)
+    }
   }
 }

package.json

@@ -13,6 +13,7 @@
     "puppeteer-extra-plugin-recaptcha": "^3.6.6",
     "puppeteer-extra-plugin-stealth": "^2.11.1",
     "random": "^4.1.0",
+    "sharp": "^0.31.3",
     "undici": "^5.19.1",
     "uuid": "^9.0.0"
   }

utils/common.js

@@ -2,6 +2,8 @@
 // import stripMarkdown from 'strip-markdown'
 import { exec } from 'child_process'
 import lodash from 'lodash'
+import fs from 'node:fs'
+import path from 'node:path'
 // export function markdownToText (markdown) {
 //  return remark()
 //    .use(stripMarkdown)
@@ -205,3 +207,14 @@ async function execSync (cmd) {
     })
   })
 }
+
+export function mkdirs (dirname) {
+  if (fs.existsSync(dirname)) {
+    return true
+  } else {
+    if (mkdirs(path.dirname(dirname))) {
+      fs.mkdirSync(dirname)
+      return true
+    }
+  }
+}

utils/dalle.js

@@ -1,6 +1,8 @@
 import { Configuration, OpenAIApi } from 'openai'
 import { Config } from './config.js'
-
+import fs from 'fs'
+import { mkdirs } from './common.js'
+import sharp from 'sharp'
 export async function createImage (prompt, n = 1, size = '512x512') {
   const configuration = new Configuration({
     apiKey: Config.apiKey
@@ -17,3 +19,60 @@ export async function createImage (prompt, n = 1, size = '512x512') {
   })
   return response.data.data?.map(pic => pic.b64_json)
 }
+
+export async function imageVariation (imageUrl, n = 1, size = '512x512') {
+  const configuration = new Configuration({
+    apiKey: Config.apiKey
+  })
+  const openai = new OpenAIApi(configuration)
+  if (Config.debug) {
+    logger.info({ imageUrl, n, size })
+  }
+  const imageResponse = await fetch(imageUrl)
+  const fileType = imageResponse.headers.get('Content-Type').split('/')[1]
+  let fileLoc = `data/chatgpt/imagesAccept/${Date.now()}.${fileType}`
+  mkdirs('data/chatgpt/imagesAccept')
+  const blob = await imageResponse.blob()
+  const arrayBuffer = await blob.arrayBuffer()
+  const buffer = Buffer.from(arrayBuffer)
+  await fs.writeFileSync(fileLoc, buffer)
+
+  let croppedFileLoc = `data/chatgpt/imagesAccept/${Date.now()}_cropped.png`
+  await resizeAndCropImage(fileLoc, croppedFileLoc, 512)
+
+  const response = await openai.createImageVariation(
+    fs.createReadStream(croppedFileLoc),
+    n,
+    size,
+    'b64_json'
+  )
+  if (response.status !== 200) {
+    console.log(response.data.error)
+  }
+  await fs.unlinkSync(fileLoc)
+  await fs.unlinkSync(croppedFileLoc)
+  return response.data.data?.map(pic => pic.b64_json)
+}
+
+async function resizeAndCropImage (inputFilePath, outputFilePath, size = 512) {
+  // Determine the maximum dimension of the input image
+  const metadata = await sharp(inputFilePath).metadata()
+  const maxDimension = Math.max(metadata.width, metadata.height)
+  logger.mark(`original picture size is ${metadata.width} x ${metadata.height}`)
+  // Calculate the required dimensions for the output image
+  const outputWidth = size * metadata.width / maxDimension
+  const outputHeight = size * metadata.height / maxDimension
+
+  // Resize the image to the required dimensions
+  await sharp(inputFilePath)
+    .resize(outputWidth, outputHeight, {
+      fit: 'contain',
+      background: { r: 255, g: 255, b: 255, alpha: 1 }
+    })
+    .resize(size, size, { fit: 'cover', position: 'center' })
+    .png()
+    .toFile(outputFilePath)
+  console.log('Image resized successfully!')
+
+  console.log('Image resized and cropped successfully!')
+}