HelloSDL2

Readme.md

drawing_app/
├── src/
│   ├── main.zig          // 主程序入口
│   ├── canvas.zig        // 画布逻辑
│   ├── tools.zig         // 绘图工具（画笔、橡皮擦等）
│   ├── ui.zig            // UI 组件（颜色选择、工具栏等）
│   └── utils.zig         // 通用工具函数
├── build.zig             // Zig 构建文件
├── assets/               // 静态资源（如图标、默认画布等）
│   └── icon.png
└── README.md

Drawing App

A simple drawing application built with Zig and SDL2, inspired by Windows Paint and Photoshop.

Features

• Basic brush and eraser tools
• Adjustable brush size
• Color selection (R/G/B)
• Canvas rendering with SDL2

Requirements

• Zig compiler (0.13.0 or later)
• SDL2 and SDL2_ttf libraries
• A TTF font file in assets/font.ttf (e.g., download from Google Fonts)

Build and Run

1. Install dependencies (see Requirements).
2. Run zig build run in the project directory.

Controls

• Left Mouse: Draw with selected tool
• B: Select Brush
• E: Select Eraser
• +/-: Adjust brush size
• R/G/B: Change color to Red/Green/Blue

Future Improvements

• Save/load canvas
• Undo/redo
• Layers
• Advanced tools (e.g., selection, fill)