OpenCV图片上写中文汉字C++

idreaming689

于 2021-04-26 14:36:20 发布

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文章标签： opencv

本文链接：https://blog.youkuaiyun.com/idream68/article/details/116155181

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OpenCV 中文汉字图像处理 Windows API 绘图

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OpenCV图片上写中文汉字，参考别人的记录一下

void paDrawString(cv::Mat& dst, const char* str, cv::Point org, cv::Scalar color, int fontSize, bool italic, bool underline)
{
	CV_Assert(dst.data != 0 && (dst.channels() == 1 || dst.channels() == 3));

	int x, y, r, b;
	if (org.x > dst.cols || org.y > dst.rows) return;
	x = org.x < 0 ? -org.x : 0;
	y = org.y < 0 ? -org.y : 0;

	LOGFONTA lf;
	lf.lfHeight = -fontSize;
	lf.lfWidth = 0;
	lf.lfEscapement = 0;
	lf.lfOrientation = 0;
	lf.lfWeight = 5;
	lf.lfItalic = italic;	//斜体
	lf.lfUnderline = underline;	//下划线
	lf.lfStrikeOut = 0;
	lf.lfCharSet = DEFAULT_CHARSET;
	lf.lfOutPrecision = 0;
	lf.lfClipPrecision = 0;
	lf.lfQuality = PROOF_QUALITY;
	lf.lfPitchAndFamily = 0;
	strcpy(lf.lfFaceName, "微软雅黑");

	HFONT hf = CreateFontIndirectA(&lf);
	HDC hDC = CreateCompatibleDC(0);
	HFONT hOldFont = (HF