mirror of http://192.168.1.51:8099/lmh188/twain3
64 lines
1.3 KiB
C++
64 lines
1.3 KiB
C++
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#include "ImageMultiOutputRed.h"
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#include <vector>
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using namespace std;
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ImageMultiOutputRed::ImageMultiOutputRed(short channelIndex)
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{
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m_channelIndex = channelIndex;
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}
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ImageMultiOutputRed::~ImageMultiOutputRed(void)
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{
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}
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std::vector<cv::Mat> ImageMultiOutputRed::apply(cv::Mat& pDib)
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{
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std::vector<cv::Mat> retMats;
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if (pDib.empty())
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return retMats;
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retMats.push_back(pDib);
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cv::Mat mat = FilterColor(pDib, m_channelIndex);
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if (!mat.empty())
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retMats.push_back(mat);
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return retMats;
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}
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cv::Mat ImageMultiOutputRed::FilterColor(cv::Mat image, short channel)
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{
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cv::Mat dstImage(image.rows, image.cols, CV_8UC1);
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int channels = image.channels();
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if (channel > channels - 1)
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{
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return cv::Mat();
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}
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if ((channel == 3) && (channels != 4) && (channels != 8))
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{
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return cv::Mat();
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}
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if (channels <= 4)
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{
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int srcOffset = image.step - image.cols * channels;
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int dstOffset = dstImage.step - dstImage.cols;
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unsigned char *src = image.data;
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unsigned char *dst = dstImage.data;
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src += channel;
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for (int y = 0; y < image.rows; y++)
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{
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for (int x = 0; x < image.cols; x++, src += channels, dst++)
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{
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unsigned short pix = *src;
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if (pix >= 130)
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{
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pix = 255;
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}
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*dst = pix;
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}
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src += srcOffset;
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dst += dstOffset;
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}
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}
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return dstImage;
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}
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