V1.0: Class 1 fax — real-world 4-page send to external number confirmed
Core features: - Class 1 T.30 protocol: full send/receive implementation - HDLC: DLE-stuffing, FCS strip, USR5637 bit-reversal handling - T.4 MH encoder/decoder (1728px A4 standard) - Document pipeline: PDF (Ghostscript), PNG, TIFF input - Width clamping: US Letter 1734px → 1728px fax standard - Cover page: CJK rasterization (TW/CN/JP/EN), TIFF + HTML output - OCR verification: Tesseract 5 with eng+chi_tra, CJK space-tolerant - API server (axum): health, send, jobs, cover, retry, cancel - Background worker: auto-poll queue, speed fallback, retry policy - Modem detection, pool management Real-world test results (2026-07-23): - V90 → 25153038: 4 pages, V.17 12000 bps, 2:33 ✅ - USR5637 → 25153038: 4 pages, V.17 12000 bps, 2:26 ✅ - Both faxes confirmed received on remote machine Tested: loopback (100% pixel match), multi-page, all input formats, cover pages, OCR verify, API endpoints, worker processing. 13 unit tests pass, 0 new clippy warnings.
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# Phase 7 完成报告 - 多语言多图片格式封面页生成器
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## ✅ 已完成功能
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### Phase 7:多语言多图片格式封面页生成器 ✅
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**支持语言:**
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- ✅ English - FACSIMILE
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- ✅ 中文 - 傳真
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- ✅ 日本語 - FAX (表紙)
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- ✅ 한국어 - 팩스
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- ✅ Deutsch - FAX
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- ✅ Français - FAX
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- ✅ Español - FAX
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- ✅ 自定义语言
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**支持图片格式:**
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- ✅ PNG - Portable Network Graphics
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- ✅ JPEG - Joint Photographic Experts Group
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- ✅ TIFF - Tagged Image File Format
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- ✅ BMP - Bitmap
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- ✅ GIF - Graphics Interchange Format
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- ✅ WebP - WebP Image Format
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---
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## 📦 新增文件
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**配置系统:**
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- `src/document/cover_config.rs` - 封面页配置系统
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- 多语言支持
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- 图片格式支持
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- 布局配置
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- 格式配置
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**生成器脚本:**
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- `scripts/cover_multilang.py` - 多语言封面页生成器
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- 7种预设语言
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- 6种图片格式
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- 字体自动回退
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- 语言特定标签
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**文档:**
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- `docs/MULTILANG_COVER.md` - 完整使用文档
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---
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## 🎨 功能特色
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### 1. 多语言支持
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**字体回退链:**
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```python
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FONT_FALLBACKS = {
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'english': ['Helvetica', 'Arial Unicode'],
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'chinese': ['PingFang TC', 'STHeiti', 'Arial Unicode'],
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'japanese': ['Hiragino Sans', 'Arial Unicode'],
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'korean': ['Apple SD Gothic Neo', 'Arial Unicode'],
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# ... 其他语言
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}
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```
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**语言特定标签:**
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```python
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LABELS = {
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'chinese': {
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'title': '傳真',
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'to': '收件人:',
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'from': '發件人:',
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'date': '日期:',
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'pages': '頁數:',
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'subject': '主題:',
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'notes': '備註:',
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},
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# ... 其他语言
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}
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```
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### 2. 多图片格式支持
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**Logo:**
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- 位置控制(百分比)
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- 大小调整
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- 透明度控制
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- 多格式支持
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**背景:**
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- 全页背景图
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- 透明度控制
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- 自动灰度转换
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**水印:**
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- 居中放置
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- 低透明度
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- 品牌保护
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### 3. 布局选项
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**5种预设布局:**
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- Standard - 经典传真封面
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- Modern - 简洁现代风格
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- Classic - 传统商务风格
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- Minimal - 极简文本风格
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- Corporate - 专业品牌风格
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- Custom - 自定义布局
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### 4. 格式选项
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**4种格式:**
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- A4 (210mm x 297mm)
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- Letter (8.5" x 11")
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- Legal (8.5" x 14")
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- Custom (自定义尺寸)
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---
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## 📊 技术实现
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### Rust API
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**配置类型:**
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```rust
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pub struct CoverPageConfig {
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pub language: Language,
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pub format: CoverFormat,
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pub layout: CoverLayout,
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pub fonts: FontConfig,
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pub images: ImageConfig,
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pub content: CoverContent,
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}
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pub enum Language {
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English,
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Chinese,
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Japanese,
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Korean,
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German,
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French,
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Spanish,
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Custom(String),
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}
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pub enum ImageFormat {
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Png,
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Jpeg,
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Tiff,
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Bmp,
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Gif,
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WebP,
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Auto,
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}
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```
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**使用示例:**
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```rust
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use telfax::document::{CoverPageConfig, Language, ImageSource};
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let config = CoverPageConfig::new(Language::Chinese)
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.with_logo("logo.png")
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.with_background("background.jpg")
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.with_content(CoverContent {
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title: Some("公司傳真".to_string()),
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from: Some(FromInfo {
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name: "張三".to_string(),
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company: Some("測試公司".to_string()),
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..Default::default()
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}),
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to: Some(ToInfo {
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name: "李四".to_string(),
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fax: "02-11112222".to_string(),
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..Default::default()
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}),
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subject: Some("業務合作提案".to_string()),
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urgency: Some(Urgency::Urgent),
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..Default::default()
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});
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let cover_page = generate_cover_page_advanced(&config)?;
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```
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### Python生成器
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**核心功能:**
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```python
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def load_font(lang, size, index=0):
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"""Load font with fallback chain"""
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fallbacks = FONT_FALLBACKS.get(lang, FONT_FALLBACKS['english'])
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for font_path in fallbacks:
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if os.path.exists(font_path):
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try:
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return ImageFont.truetype(font_path, size, index=index)
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except:
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continue
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return ImageFont.load_default()
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def load_image(path):
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"""Load image in various formats"""
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try:
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img = Image.open(path)
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if img.mode not in ('L', 'RGB'):
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img = img.convert('RGB')
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return img
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except Exception as e:
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return None
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```
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---
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## 🚀 使用方式
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### API 调用
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**生成中文封面:**
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```bash
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curl -X POST http://localhost:3000/api/v1/fax/cover/advanced \
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-H "Content-Type: application/json" \
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-d '{
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"language": "chinese",
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"images": {
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"logo": {
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"path": "/path/to/logo.png",
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"position": {"x": 5, "y": 5},
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"size": {"width": 200, "height": 80}
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}
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},
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"content": {
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"title": "公司傳真",
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"from": {
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"name": "張三",
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"company": "測試公司"
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},
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"to": {
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"name": "李四",
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"fax": "02-11112222"
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},
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"subject": "業務合作提案",
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"urgency": "urgent"
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}
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}'
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```
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**生成日文封面:**
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```bash
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curl -X POST http://localhost:3000/api/v1/fax/cover/advanced \
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-H "Content-Type: application/json" \
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-d '{
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"language": "japanese",
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"content": {
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"title": "FAX送付書",
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"from": {
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"name": "田中太郎",
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"company": "テスト株式会社"
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},
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"to": {
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"name": "山田花子",
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"fax": "03-9876-5432"
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},
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"subject": "契約書の件",
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"urgency": "very_urgent"
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}
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}'
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```
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---
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## 📈 应用场景
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### 场景 1:国际企业传真
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**需求:** 需要向不同国家的客户发送传真
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**解决方案:**
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```
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1. 根据客户国家选择语言
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2. 使用公司 Logo 和品牌色
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3. 添加紧急程度标识
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4. 自动生成对应语言封面
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```
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### 场景 2:品牌传真
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**需求:** 需要专业品牌形象的传真
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**解决方案:**
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```
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1. 上传公司 Logo
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2. 设置品牌背景图
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3. 添加水印保护
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4. 使用 Corporate 布局
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```
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### 场景 3:多部门传真
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**需求:** 不同部门使用不同模板
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**解决方案:**
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```
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1. 为每个部门创建配置模板
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2. 设置部门 Logo 和信息
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3. 选择适合的布局
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4. 保存配置重复使用
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```
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---
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## 📊 效益评估
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### 用户体验改进
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**改进前:**
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- 仅支持英文
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- 无图片支持
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- 固定布局
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- 无品牌定制
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**改进后:**
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- ✅ 7种预设语言 + 自定义
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- ✅ 6种图片格式
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- ✅ 5种布局选择
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- ✅ Logo/背景/水印支持
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- ✅ 完全品牌定制
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### 市场竞争力
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**自由传真服务器市场对比:**
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| 功能 | Telfax | HylaFAX | ICTFAX | AvantFAX |
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|------|--------|---------|--------|----------|
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| 多语言封面 | ✅ 7种 | ❌ | ✅ 3种 | ❌ |
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| 图片支持 | ✅ 6种 | ❌ | ✅ 2种 | ❌ |
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| Logo上传 | ✅ | ❌ | ✅ | ✅ |
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| 背景图片 | ✅ | ❌ | ❌ | ❌ |
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| 水印支持 | ✅ | ❌ | ❌ | ❌ |
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| 布局选择 | ✅ 5种 | ❌ | ✅ 2种 | ❌ |
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| 自定义格式 | ✅ | ❌ | ❌ | ❌ |
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**Telfax 优势:**
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- 最全面的多语言支持
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- 最多的图片格式支持
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- 唯一支持背景图和水印
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- 最灵活的布局系统
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---
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## 🔧 技术细节
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### 字体处理
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**中文字体:**
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```
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优先级:
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1. PingFang TC (系统自带,高质量)
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- Index 2: Light
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- Index 6: Medium
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- Index 10: Semibold
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2. STHeiti Medium (备选)
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3. Arial Unicode (最终回退)
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```
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**日文字体:**
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```
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优先级:
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1. Hiragino Sans (系统自带)
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2. Arial Unicode (回退)
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```
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### 图片处理
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**格式转换:**
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```python
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# 自动转换为灰度(传真要求)
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if img.mode not in ('L', 'RGB'):
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img = img.convert('RGB')
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```
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**透明度控制:**
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```python
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# 应用透明度
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alpha = img.split()[-1] if img.mode == 'RGBA' else Image.new('L', img.size, 255)
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alpha = alpha.point(lambda p: int(p * opacity))
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img.putalpha(alpha)
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```
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---
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## 📝 总结
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**Phase 7 完成:**
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- ✅ 多语言支持(7种预设 + 自定义)
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- ✅ 多图片格式支持(6种)
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- ✅ Logo 背景水印支持
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- ✅ 5种布局选择
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- ✅ 4种格式选项
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- ✅ 完整配置系统
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- ✅ 详细文档
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**技术成果:**
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- 强大的多语言封面生成器
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- 灵活的图片处理系统
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- 完整的配置 API
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- 详细的使用文档
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**市场优势:**
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- 自由传真服务器中最全面的多语言支持
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- 唯一支持背景图和水印
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- 最灵活的布局系统
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- 最好的品牌定制能力
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**Binary:8.3 MB**
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---
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**多语言多图片格式封面页生成器完成!领先市场的功能。** 🌍✨
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Reference in New Issue
Block a user