2022-07-29 08:41:34 +00:00
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/*
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* ====================================================
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2022-08-12 02:49:21 +00:00
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* 功能：旋转图像
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* 作者：刘丁维
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* 生成时间：2020/4/21
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* 最近修改时间：v1.0 2020/04/21
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v1.1 2020/08/12 修复文稿方向自动识别导致崩溃的BUG
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v1.2 2021/10/15 开放文稿方向识别模块
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v1.2.1 2022/04/25 补充切换版本的预处理代码
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* 版本号：v1.2.1
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2022-07-29 08:41:34 +00:00
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* ====================================================
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*/
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#ifndef IMAGE_APPLY_ROTATION_H
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#define IMAGE_APPLY_ROTATION_H
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#include "ImageApply.h"
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#ifdef _WIN32
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//#define USE_HANWANG
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#ifdef USE_HANWANG
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#define HG_GPDF_API_BUILD
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#include <hg_gpdf.h>
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#endif
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#endif
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class GIMGPROC_LIBRARY_API CImageApplyRotation : public CImageApply
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{
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public:
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enum class RotationType
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{
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2022-08-12 02:49:21 +00:00
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Invalid, //无效
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Rotate_90_clockwise, //顺时针90°
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Rotate_180, //180°
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Rotate_90_anti_clockwise, //逆时针90°，即270°
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2022-07-29 08:41:34 +00:00
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2022-08-12 02:49:21 +00:00
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AutoTextOrientation //自动文稿方向识别旋转
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2022-07-29 08:41:34 +00:00
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};
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public:
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/*
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2022-08-12 02:49:21 +00:00
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* rotation [in]:旋转类型
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* isBackTransposed [in]:true为背面180°旋转，反之亦然
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* dpi [in]:当前图像的DPI，该参数在rotation为AutoTextOrientation时生效。在识别文稿方向时，会默认将图像变换为200DPI进行识别
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* tessadataPath [in]:训练库文件路径，该参数在rotation为AutoTextOrientation时生效
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2022-07-29 08:41:34 +00:00
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*/
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CImageApplyRotation(RotationType rotation, bool isBackTransposed = false, int dpi = 200, const char* tessdataPath = nullptr);
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virtual ~CImageApplyRotation();
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virtual void apply(cv::Mat& pDib, int side) override;
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virtual void apply(std::vector<cv::Mat>& mats, bool isTwoSide);
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bool isBackTransposed() { return m_backTranspose; }
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int getDPI() { return m_dpi; }
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RotationType getRotationType() { return m_rotation; }
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void setBackTransposed(bool enabled) { m_backTranspose = enabled; }
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void setDPI(int dpi) { m_dpi = dpi; }
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void setRotationType(RotationType type) { m_rotation = type; }
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private:
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RotationType m_rotation;
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bool m_backTranspose;
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int m_dpi;
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#ifdef _WIN32
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#ifdef USE_HANWANG
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HG_OCR* m_ocr;
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#endif
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#endif
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};
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#endif // !IMAGE_APPLY_ROTATION_H
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