twain3.0/huagao/Device/ImageMatQueue.h

#pragma once
#include <thread>
#include <mutex>
#include <opencv2\opencv.hpp>
#include "ImageProcess/ImageApplyHeaders.h"
#include "PublicFunc.h"
#include "BlockingQueue.h"
#include <memory>
#include "PaperSize.h"


class IMat2Bmp {
public:
	virtual ~IMat2Bmp() {}
	virtual std::vector<unsigned char> getBmpDataBuffer() {
		return m_data;
	};
protected:
	std::vector<unsigned char> m_data;
};

class Mat2Bmp:public IMat2Bmp {
public:
	Mat2Bmp(const cv::Mat& mat,float res) {
		int headersize = mat.channels() == 3 ? 54 : 1078;
		int bmpdatasize = mat.step1() * mat.rows;
		m_data.resize(headersize + bmpdatasize);
		cv::imencode(".bmp", mat, m_data);
		BITMAPINFOHEADER* infoheader = (BITMAPINFOHEADER*)(m_data.data() + sizeof(BITMAPFILEHEADER));
		infoheader->biXPelsPerMeter = infoheader->biYPelsPerMeter = static_cast<LONG>(res * 39.37F + 0.5);
		infoheader->biClrUsed = infoheader->biClrImportant = infoheader->biBitCount == 8 ? 256 : 0;
	}
};

class Mat2BmpBw :public IMat2Bmp {
public:
	Mat2BmpBw(const cv::Mat& mat,float res) {
		//cv::imwrite("bw.bmp", mat);
		int headsize = 62;
		int width = mat.cols;
		int height = mat.rows;
		int bmpdatasize = (width + 31) / 32 * 4*height;
		m_data.resize(headsize + bmpdatasize);
		unsigned char* binary = m_data.data()+62;//file header(14)+info header(40)+RGBQUAD(8)
		setBmpFileHeader(mat,bmpdatasize);
		setBmpInfoHeader(mat, bmpdatasize, res);
		memcpy(m_data.data(), &m_fileHeader, sizeof(BITMAPFILEHEADER));
		memcpy(m_data.data() + sizeof(BITMAPFILEHEADER), &m_infoHeader, sizeof(BITMAPINFOHEADER));
		RGBQUAD* quad = (RGBQUAD*)(m_data.data() + sizeof(BITMAPFILEHEADER)+sizeof(BITMAPINFOHEADER));
		quad->rgbBlue = quad->rgbGreen = quad->rgbRed = quad->rgbReserved = 0;
		quad++;
		quad->rgbBlue = quad->rgbGreen = quad->rgbRed = 255;
		quad->rgbReserved = 0;

		unsigned char* imageData = mat.data;
		unsigned char temp;
		int n_lineByte = (width + 7) >> 3;
		int m_lineByte = ((n_lineByte * 8 + 31) >> 5) << 2;
		for (int row = height - 1; row >= 0; row--)
		{
			for (int col = 0; col < width; col++)
			{
				int pos = col % 8;
				int pix = *(imageData + row * mat.step1() + col);
				temp = 1 << (7 - pos);
				if (pix == 255)
				{
					*(binary + (height - row - 1) * m_lineByte + col / 8) |= temp ;
				}
				else
				{
					*(binary + (height - row - 1) * m_lineByte + col / 8) &= (~temp);
				}
			}
		}
	}
private:
	void setBmpFileHeader(const cv::Mat& mat,const int bmpDataLen) {
		memset(&m_fileHeader, 0, sizeof(BITMAPFILEHEADER));
		m_fileHeader.bfType = ((unsigned short)('M' << 8) | 'B');
		m_fileHeader.bfOffBits = sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER) + (sizeof(RGBQUAD) * 1);
		int nDIBSize = sizeof(BITMAPINFOHEADER) + (sizeof(RGBQUAD) * 2) + bmpDataLen;
		m_fileHeader.bfSize = sizeof(BITMAPFILEHEADER) + nDIBSize;
	}

	void setBmpInfoHeader(const cv::Mat& mat,const int bmpDataLen, const long res) {
		memset(&m_infoHeader, 0, sizeof(BITMAPINFOHEADER));
		m_infoHeader.biSize = sizeof(BITMAPINFOHEADER);
		m_infoHeader.biWidth = mat.cols;
		m_infoHeader.biHeight = mat.rows;
		m_infoHeader.biPlanes = 1;
		m_infoHeader.biBitCount = 1;
		m_infoHeader.biCompression = 0;
		m_infoHeader.biSizeImage = bmpDataLen;
		m_infoHeader.biXPelsPerMeter = m_infoHeader.biYPelsPerMeter = static_cast<LONG>(res * 39.37F + 0.5);
		m_infoHeader.biClrUsed = 2;
		m_infoHeader.biClrImportant = 2;
	}
 
private:
	BITMAPFILEHEADER m_fileHeader;
	BITMAPINFOHEADER m_infoHeader;
};

class IDecode {
public:
	virtual ~IDecode() {}
	virtual std::vector<std::shared_ptr<std::vector<char>>> getImageBuffs() {
		return m_buffs;
	}
protected:
	std::vector<std::shared_ptr<std::vector<char>>> m_buffs;
};

class G200Decode : public IDecode{
public:
	G200Decode(std::shared_ptr<std::vector<char>> buff);
};

class GRawDecode : public IDecode {
public:
	GRawDecode(std::shared_ptr<std::vector<char>> buff);
};

class ImageMatQueue
{
public:
	ImageMatQueue(void);
	virtual ~ImageMatQueue(void);

	void pushMat(std::shared_ptr<IDecode> buf);
	std::vector<unsigned char> popBmpdata();
	bool empty();
	bool valid();
	void clear();
	void setparam(const GScanCap& param);
	void run();
	int orginimgcount();
	void setscanflags(const bool flags) { is_scanning = flags; }

private:
	void proc();
	void GetFixRatio(double& fixX, double& fixY);
	void EnqueueBmpBuffer(std::vector<unsigned char>& bmpdata);
	void PaniusCount();
	BlockingQueue<std::vector<unsigned char>> m_imagedata;
	std::mutex m_Locker;
	std::mutex m_mtxJB;
	std::mutex m_mtxscan;
	std::unique_ptr<thread> m_threadProc;
	volatile bool bRun;
	volatile int atm_orgin_image_remains;
	volatile bool is_scanning;
	GScanCap scanParam;	
	Device::PaperSize papersize;
	std::vector<std::shared_ptr<CImageApply>> m_iaList;
	BlockingQueue<std::shared_ptr<IDecode>> m_rawBuffs;
	double fx, fy;
};