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AI Image Gen

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AI Image Gen — AI and machine learning tool.

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About This Skill

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# AI 图像生成

通过执行脚本调用 Gemini Flash Image API 生成图片。

环境变量

脚本通过以下环境变量获取 API 配置:

  • `IMAGE_GEN_API_KEY` — API 密钥
  • `IMAGE_GEN_BASE_URL` — API 基础地址(默认:https://code.newcli.com/gemini)

使用方法

生成图片

执行脚本生成图片:

```bash export IMAGE_GEN_API_KEY="your-api-key" export IMAGE_GEN_BASE_URL="https://code.newcli.com/gemini"

python3 scripts/generate_image.py "你的提示词" --model gemini-3.1-flash-image-2k-16x9 --output output.png ```

参数说明

  • `prompt`(必填):图片描述提示词
  • `--model, -m`:模型名称,默认 `gemini-3.1-flash-image-2k-16x9`
  • `--output, -o`:输出文件路径,默认当前目录 `generated_image.png`

可用模型

默认模型:`gemini-3.1-flash-image-2k-16x9`(2K 分辨率,16:9 横屏)

基础模型(标准分辨率)

| 模型 ID | 比例 | 适用场景 | |---------|------|----------| | gemini-3.1-flash-image | 1:1 | 社交媒体头像 | | gemini-3.1-flash-image-3x2 | 3:2 | 横版照片 | | gemini-3.1-flash-image-2x3 | 2:3 | 竖版海报 | | gemini-3.1-flash-image-3x4 | 3:4 | 竖版海报 | | gemini-3.1-flash-image-4x3 | 4:3 | 传统比例 | | gemini-3.1-flash-image-4x5 | 4:5 | Instagram | | gemini-3.1-flash-image-5x4 | 5:4 | 传统横版 | | gemini-3.1-flash-image-9x16 | 9:16 | 手机壁纸/短视频 | | gemini-3.1-flash-image-16x9 | 16:9 | 电脑壁纸/视频 | | gemini-3.1-flash-image-21x9 | 21:9 | 超宽屏 |

2K 分辨率(推荐)

| 模型 ID | 比例 | |---------|------| | gemini-3.1-flash-image-2k | 1:1 | | gemini-3.1-flash-image-2k-3x2 | 3:2 | | gemini-3.1-flash-image-2k-2x3 | 2:3 | | gemini-3.1-flash-image-2k-3x4 | 3:4 | | gemini-3.1-flash-image-2k-4x3 | 4:3 | | gemini-3.1-flash-image-2k-4x5 | 4:5 | | gemini-3.1-flash-image-2k-5x4 | 5:4 | | gemini-3.1-flash-image-2k-9x16 | 9:16 | | gemini-3.1-flash-image-2k-16x9 | 16:9 | | gemini-3.1-flash-image-2k-21x9 | 21:9 |

4K 分辨率

| 模型 ID | 比例 | |---------|------| | gemini-3.1-flash-image-4k | 1:1 | | gemini-3.1-flash-image-4k-3x2 | 3:2 | | gemini-3.1-flash-image-4k-2x3 | 2:3 | | gemini-3.1-flash-image-4k-3x4 | 3:4 | | gemini-3.1-flash-image-4k-4x3 | 4:3 | | gemini-3.1-flash-image-4k-4x5 | 4:5 | | gemini-3.1-flash-image-4k-5x4 | 5:4 | | gemini-3.1-flash-image-4k-9x16 | 9:16 | | gemini-3.1-flash-image-4k-16x9 | 16:9 |

工作流程

  1. 理解需求:分析用户的图片需求,确定比例和分辨率
  2. 选择模型:根据用途选择合适的模型(默认 2K-16x9)
  3. 优化提示词:将用户描述扩展为详细的图片提示词
  4. 执行脚本:调用 `scripts/generate_image.py` 生成图片
  5. 展示结果:读取生成的图片展示给用户

提示词技巧

  • 具体描述:主体、场景、光线、风格、色调
  • 风格参考:水彩、油画、赛博朋克、吉卜力、写实摄影、中国工笔等
  • 构图说明:视角(俯视/仰视)、景深、焦点
  • 色彩指定:主色调、配色方案

示例

生成中国风后羿射日图:

```bash python3 scripts/generate_image.py \ "一位英勇的古代射手后羿站在险峻的高山之巅,身披金色战甲,肌肉紧绷,拉开巨大的神弓,一支燃烧着神圣光芒的箭矢对准天空中炽热的太阳。天空中有多个太阳同时燃烧,火焰倾泻而下。背景是翻滚的云海和龟裂的大地,远山在热浪中扭曲。中国传统工笔重彩风格,水墨与金箔点缀,色彩以深红、金色、墨黑、靛蓝为主,画面气势磅礴,具有敦煌壁画的厚重感。16:9 宽幅构图。" \ --model gemini-3.1-flash-image-2k-16x9 \ --output houyi.png ```

Use Cases

  • Generate images from text prompts using the Gemini Flash Image API
  • Create marketing visuals, social media graphics, and blog illustrations on demand
  • Produce multiple image variations from a single prompt for A/B testing
  • Integrate AI image generation into automated content pipelines via command line
  • Generate product mockups and concept art for rapid prototyping

Pros & Cons

Pros

  • +Simple CLI-based workflow — just set environment variables and run the script
  • +Leverages Gemini Flash Image API for fast, high-quality image generation
  • +Configurable API endpoint allows pointing to alternative compatible services

Cons

  • -Requires a valid API key and may incur per-image generation costs
  • -Limited to Gemini API — no support for other image generation models like DALL-E or Stable Diffusion
  • -No built-in image editing, upscaling, or style transfer capabilities

FAQ

What does AI Image Gen do?
AI Image Gen — AI and machine learning tool.
What platforms support AI Image Gen?
AI Image Gen is available on Claude Code, OpenClaw.
What are the use cases for AI Image Gen?
Generate images from text prompts using the Gemini Flash Image API. Create marketing visuals, social media graphics, and blog illustrations on demand. Produce multiple image variations from a single prompt for A/B testing.

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