opencv利用freetype写中文

1、ubuntu需要安装环境

sudo apt install libfreetype6-dev libharfbuzz-dev

2、opencv和opencv_contril编译，勾选下面按钮

3、下载字体库

https://github.com/StellarCN/scp_zh/tree/master/fonts

下载SimHei.ttf

4、代码

#include <opencv2/freetype.hpp>
 auto ft = cv::freetype::createFreeType2();
  ft->loadFontData("SimHei.ttf", 0);

            ft->putText(drawimg,
                        text,
                        text_pos,
                        22,                    // 字体大小
                        cv::Scalar(0, 0, 255), // 颜色
                        -1,
                        cv::LINE_8,
                        false);