43 lines
798 B
Markdown
43 lines
798 B
Markdown
# @yizhi/opencv
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简单的OpenCV封装
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## 编译源码（可选）
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1. 依赖
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1. python3
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1. cmake
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1. ninja
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1. c++编译器(gcc,clang,Visual Studio ...)
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1. 编译OpenCV
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```bash
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node thirdpart/install.js --with-opencv
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```
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1. 编译本模块
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```bash
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cmake -B build -G Ninja . -DCMAKE_BUILD_TYPE=Release
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cmake --build build --config Release
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```
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## 安装
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```bash
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npm install @yizhi/opencv
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```
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## 使用
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```typescript
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//导入opencv
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import cv from '@yizhi/opencv';
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//配置addon路径
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cv.config("ADDON_PATH", "/path/to/cv.node");
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//下载addon（可选）
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// 如果配置了ADDON_PATH，则下载addon到ADDON_PATH，否则下载到build/cv.node
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await cv.downloadAddon();
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//正常使用
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const im = cv.imread("/path/to/input");
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cv.resize(im, 640, 640);
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cv.imwrite("/path/to/output", im);
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```
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