254 lines
6.3 KiB
Markdown
254 lines
6.3 KiB
Markdown
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# P0-7 图片处理功能实现报告
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## 概述
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本文档记录了 CutThenThink 项目 P0-7 阶段的图片处理功能实现。
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## 实现的功能
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### 1. 全局快捷键截图功能
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**文件:** `/home/congsh/CodeSpace/ClaudeSpace/CutThenThink/src/gui/widgets/screenshot_widget.py`
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**核心类:**
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- `ScreenshotOverlay` - 全屏截图覆盖窗口
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- `ScreenshotWidget` - 截图管理组件
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- `QuickScreenshotHelper` - 快速截图助手
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**功能特性:**
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- 全屏透明覆盖窗口,支持区域选择
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- 鼠标拖动选择截图区域
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- 实时显示选区尺寸
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- ESC 键取消,Enter 键确认
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- 自动保存截图到临时目录
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- 快捷键支持:`Ctrl+Shift+A`
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**使用方式:**
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```python
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from src.gui.widgets import ScreenshotWidget, take_screenshot
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# 方式 1: 使用组件
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widget = ScreenshotWidget()
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widget.take_screenshot()
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# 方式 2: 使用便捷函数
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take_screenshot()
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```
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### 2. 剪贴板监听功能
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**文件:** `/home/congsh/CodeSpace/ClaudeSpace/CutThenThink/src/gui/widgets/clipboard_monitor.py`
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**核心类:**
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- `ClipboardMonitor` - 剪贴板监听器
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- `ClipboardImagePicker` - 剪贴板图片选择器
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**功能特性:**
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- 实时监听剪贴板变化
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- 自动检测图片内容
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- 避免重复触发(图片对比)
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- 自动保存剪贴板图片到临时目录
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- 支持启用/禁用监听
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- 信号通知机制
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**使用方式:**
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```python
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from src.gui.widgets import ClipboardMonitor
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from PyQt6.QtCore import QObject
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# 创建监听器
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monitor = ClipboardMonitor(parent)
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# 连接信号
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monitor.image_detected.connect(lambda path: print(f"检测到图片: {path}"))
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# 控制监听
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monitor.set_enabled(True) # 启用
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monitor.set_enabled(False) # 禁用
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```
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### 3. 图片文件选择功能
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**文件:** `/home/congsh/CodeSpace/ClaudeSpace/CutThenThink/src/gui/widgets/image_picker.py`
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**核心类:**
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- `ImagePicker` - 图片选择器组件
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- `DropArea` - 拖放区域
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- `ImagePreviewLabel` - 图片预览标签
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- `QuickImagePicker` - 快速图片选择助手
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**功能特性:**
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- 文件对话框选择图片
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- 拖放文件到组件
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- 支持单选/多选模式
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- 自动过滤有效图片格式
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- 图片预览功能
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- 支持的格式:PNG, JPG, JPEG, BMP, GIF, WebP, TIFF
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**使用方式:**
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```python
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from src.gui.widgets import ImagePicker
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# 创建单选图片选择器
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picker = ImagePicker(multiple=False)
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picker.image_selected.connect(lambda path: print(f"选择: {path}"))
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# 创建多选图片选择器
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multi_picker = ImagePicker(multiple=True)
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multi_picker.images_selected.connect(lambda paths: print(f"选择: {paths}"))
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```
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### 4. 图片预览组件
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**文件:** `/home/congsh/CodeSpace/ClaudeSpace/CutThenThink/src/gui/widgets/image_preview_widget.py`
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**核心类:**
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- `ImagePreviewWidget` - 图片预览组件
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- `ImageLabel` - 可拖动的图片标签
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**功能特性:**
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- 缩放功能(放大、缩小、适应窗口、实际大小)
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- 缩放滑块控制(10% - 1000%)
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- 旋转功能(左旋、右旋 90度)
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- 鼠标拖动平移
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- 全屏查看(F11)
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- 键盘快捷键支持:
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- `Ctrl++` - 放大
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- `Ctrl+-` - 缩小
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- `Ctrl+F` - 适应窗口
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- `Ctrl+0` - 实际大小
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- `Ctrl+L` - 向左旋转
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- `Ctrl+R` - 向右旋转
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- `F11` - 全屏切换
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**使用方式:**
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```python
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from src.gui.widgets import ImagePreviewWidget
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# 创建预览组件
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preview = ImagePreviewWidget()
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# 加载图片
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preview.load_image("/path/to/image.png")
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# 或加载 QPixmap 对象
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from PyQt6.QtGui import QPixmap
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pixmap = QPixmap("/path/to/image.png")
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preview.load_pixmap(pixmap)
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```
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## 主窗口集成
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**文件:** `/home/congsh/CodeSpace/ClaudeSpace/CutThenThink/src/gui/main_window.py`
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**新增功能:**
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- 截图处理页面新增三个操作按钮
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- 📷 新建截图
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- 📂 导入图片
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- 📋 粘贴剪贴板图片
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- 集成图片预览组件
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- 全局快捷键绑定
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- 剪贴板监听器集成
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**快捷键:**
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- `Ctrl+Shift+A` - 触发截图
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- `Ctrl+Shift+V` - 粘贴剪贴板图片
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- `Ctrl+Shift+O` - 导入图片
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## 组件导出
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**文件:** `/home/congsh/CodeSpace/ClaudeSpace/CutThenThink/src/gui/widgets/__init__.py`
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所有新组件已导出,可直接导入使用:
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```python
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from src.gui.widgets import (
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# 截图相关
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ScreenshotWidget,
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ScreenshotOverlay,
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QuickScreenshotHelper,
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take_screenshot,
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# 剪贴板相关
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ClipboardMonitor,
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ClipboardImagePicker,
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# 图片选择相关
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ImagePicker,
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DropArea,
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QuickImagePicker,
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# 图片预览相关
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ImagePreviewWidget,
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ZoomMode,
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ImageLabel,
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)
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```
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## 测试
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**测试脚本:** `/home/congsh/CodeSpace/ClaudeSpace/CutThenThink/examples/test_image_features.py`
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运行测试:
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```bash
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cd /home/congsh/CodeSpace/ClaudeSpace/CutThenThink
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python3 examples/test_image_features.py
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```
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## 临时文件存储
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所有临时图片保存在系统临时目录:
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- 截图:`/tmp/cutthenthink/screenshots/`
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- 剪贴板:`/tmp/cutthenthink/clipboard/`
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## 文件清单
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### 新增文件
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1. `/src/gui/widgets/screenshot_widget.py` - 截图组件
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2. `/src/gui/widgets/clipboard_monitor.py` - 剪贴板监听组件
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3. `/src/gui/widgets/image_picker.py` - 图片选择组件
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4. `/src/gui/widgets/image_preview_widget.py` - 图片预览组件
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5. `/examples/test_image_features.py` - 测试脚本
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### 修改文件
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1. `/src/gui/widgets/__init__.py` - 添加新组件导出
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2. `/src/gui/main_window.py` - 集成图片处理功能
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## 技术栈
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- **GUI 框架:** PyQt6
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- **图片处理:** QPixmap, QImage, QPainter
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- **信号槽:** PyQt6 信号槽机制
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- **快捷键:** QShortcut, QKeySequence
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## 依赖项
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项目依赖(`requirements.txt`):
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```
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PyQt6==6.6.1
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PyQt6-WebEngine==6.6.0
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...
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```
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## 后续工作
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建议在后续阶段实现:
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1. 图片编辑功能(裁剪、标注、滤镜)
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2. OCR 识别集成
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3. AI 分析功能
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4. 云存储上传
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5. 图片分类和标签管理
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## 测试说明
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手动测试步骤:
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1. 启动应用程序
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2. 点击「新建截图」测试截图功能
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3. 复制图片后点击「粘贴剪贴板图片」
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4. 点击「导入图片」选择本地文件
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5. 在预览区域测试缩放、旋转、平移等功能
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6. 测试快捷键是否正常工作
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## 总结
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P0-7 阶段成功实现了完整的图片处理功能模块,包括截图、剪贴板监听、文件选择和图片预览四大核心功能。所有组件均已集成到主窗口,并提供了快捷键支持,为后续的 OCR 和 AI 分析功能打下了基础。
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