mirror of http://192.168.1.51:8099/lmh188/twain3.0
140 lines
3.4 KiB
C++
140 lines
3.4 KiB
C++
#include "ImageApplyRotation.h"
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#define USE_TESSERCAT
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#ifdef USE_TESSERCAT
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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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CImageApplyRotation::CImageApplyRotation(RotationType rotation, bool isBackTransposed, int dpi, const char* tessdataPath)
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: m_rotation(rotation)
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, m_backTranspose(isBackTransposed)
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, m_dpi(dpi)
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, osd(nullptr)
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{
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if (rotation == RotationType::AutoTextOrientation)
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{
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#ifdef USE_TESSERCAT
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osd = new HG_OCR();
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reinterpret_cast<HG_OCR*>(osd)->init(tessdataPath, HG_OCR::RECOGNITION_OSD);
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#endif
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}
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}
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CImageApplyRotation::~CImageApplyRotation()
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{
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#ifdef USE_TESSERCAT
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if (osd) delete reinterpret_cast<HG_OCR*>(osd);
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#endif
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}
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void CImageApplyRotation::apply(cv::Mat & pDib, int side)
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{
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#ifdef LOG
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FileTools::write_log("imgprc.txt", "enter CImageApplyRotation apply");
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#endif // LOG
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if (pDib.empty())
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{
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#ifdef LOG
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FileTools::write_log("imgprc.txt", "exit CImageApplyRotation apply");
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#endif // LOG
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return;
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}
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if (m_rotation == RotationType::AutoTextOrientation) //<2F>Զ<EFBFBD><D4B6>ı<EFBFBD><C4B1><EFBFBD><EFBFBD><EFBFBD>ʶ<EFBFBD><CAB6>
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{
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#ifdef USE_TESSERCAT
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if (osd)
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{
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cv::Mat temp;
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if (m_dpi != 200)
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{
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double scale = 200 / static_cast<double>(m_dpi);
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int new_w = static_cast<int>(pDib.cols * scale) / 4 * 4;
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int new_h = pDib.rows * scale;
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cv::resize(pDib, temp, cv::Size(new_w, new_h));
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}
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else
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temp = pDib(cv::Rect(0, 0, pDib.cols / 4 * 4, pDib.rows)).clone();
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if (temp.channels() == 3)
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cv::cvtColor(temp, temp, cv::COLOR_BGR2GRAY);
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cv::threshold(temp, temp, 180, 255, cv::THRESH_OTSU);
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HG_OCR* ptr_osd = reinterpret_cast<HG_OCR*>(osd);
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int orientation = ptr_osd->orientation(temp.data, temp.cols, temp.rows, temp.channels(), 200);
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switch (orientation)
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{
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case 90:
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cv::transpose(pDib, pDib);
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cv::flip(pDib, pDib, 0);
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break;
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case 180:
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cv::flip(pDib, pDib, 0);
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cv::flip(pDib, pDib, 1);
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break;
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case 270:
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cv::transpose(pDib, pDib);
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cv::flip(pDib, pDib, 1);
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break;
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default:
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break;
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}
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}
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#endif
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}
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else if (m_backTranspose && side == 1) //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת180
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{
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if (m_rotation != RotationType::Rotate_180) //<2F><>ת180<38><30>
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{
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if (m_rotation == RotationType::Rotate_90_clockwise || m_rotation == RotationType::Rotate_90_anti_clockwise) //90<39><30> -90<39><30>
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{
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transpose(pDib, pDib);
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flip(pDib, pDib, m_rotation == RotationType::Rotate_90_clockwise ? 0 : 1);
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}
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else
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{
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flip(pDib, pDib, 0);
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flip(pDib, pDib, 1);
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}
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}
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}
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else //zh
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{
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if (m_rotation == RotationType::Rotate_90_clockwise || m_rotation == RotationType::Rotate_90_anti_clockwise) //90<39><30> -90<39><30>
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{
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if (side == 0)
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{
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transpose(pDib, pDib);
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flip(pDib, pDib, m_rotation == RotationType::Rotate_90_clockwise ? 1 : 0);
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}
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else
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{
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transpose(pDib, pDib);
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flip(pDib, pDib, m_rotation == RotationType::Rotate_90_clockwise ? 0 : 1);
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}
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}
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else if (m_rotation == RotationType::Rotate_180)
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{
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flip(pDib, pDib, 0);
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flip(pDib, pDib, 1);
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}
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}
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#ifdef LOG
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FileTools::write_log("imgprc.txt", "exit CImageApplyRotation apply");
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#endif // LOG
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}
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void CImageApplyRotation::apply(std::vector<cv::Mat>& mats, bool isTwoSide)
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{
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(void)isTwoSide;
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int i = 0;
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for (cv::Mat& var : mats) {
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if (!var.empty()) {
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apply(var, i);
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i++;
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}
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}
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}
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