mirror of https://github.com/status-im/qzxing.git
132 lines
3.2 KiB
C++
132 lines
3.2 KiB
C++
#include "CameraImageWrapper.h"
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#include <QColor>
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#include <QApplication>
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#include <QDesktopWidget>
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CameraImageWrapper::CameraImageWrapper() : LuminanceSource(0,0)
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{
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}
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CameraImageWrapper::CameraImageWrapper(const QImage &sourceImage) : LuminanceSource(sourceImage.width(), sourceImage.height())
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{
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image = sourceImage.copy();
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}
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CameraImageWrapper::CameraImageWrapper(CameraImageWrapper& otherInstance) : LuminanceSource(otherInstance.getWidth(), otherInstance.getHeight())
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{
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image = otherInstance.getOriginalImage().copy();
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}
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CameraImageWrapper::~CameraImageWrapper()
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{
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}
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CameraImageWrapper *CameraImageWrapper::Factory(const QImage &sourceImage, int maxWidth, int maxHeight, bool smoothTransformation)
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{
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QImage image;
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if((maxWidth != 1 || maxHeight != 1) && (sourceImage.width() > maxWidth || sourceImage.height() > maxHeight))
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image = sourceImage.scaled(
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maxWidth != -1 ? maxWidth : sourceImage.width(),
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maxHeight != -1 ? maxHeight : sourceImage.height(),
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Qt::KeepAspectRatio,
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smoothTransformation ? Qt::SmoothTransformation : Qt::FastTransformation);
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else
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image = sourceImage;
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return new CameraImageWrapper(image);
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}
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int CameraImageWrapper::getWidth() const
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{
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return image.width();
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}
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int CameraImageWrapper::getHeight() const
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{
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return image.height();
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}
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unsigned char CameraImageWrapper::getPixel(int x, int y) const
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{
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QRgb pixel = image.pixel(x,y);
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return qGray(pixel);//((qRed(pixel) + qGreen(pixel) + qBlue(pixel)) / 3);
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}
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unsigned char* CameraImageWrapper::copyMatrix() const
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{
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unsigned char* newMatrix = (unsigned char*)malloc(image.width()*image.height()*sizeof(unsigned char));
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int cnt = 0;
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for(int i=0; i<image.width(); i++)
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{
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for(int j=0; j<image.height(); j++)
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{
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newMatrix[cnt++] = getPixel(i,j);
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}
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}
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return newMatrix;
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}
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QImage CameraImageWrapper::grayScaleImage(QImage::Format f)
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{
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QImage tmp(image.width(), image.height(), f);
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for(int i=0; i<image.width(); i++)
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{
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for(int j=0; j<image.height(); j++)
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{
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int pix = (int)getPixel(i,j);
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tmp.setPixel(i,j, qRgb(pix ,pix,pix));
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}
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}
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return tmp;
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}
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QImage CameraImageWrapper::getOriginalImage()
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{
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return image;
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}
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ArrayRef<char> CameraImageWrapper::getRow(int y, ArrayRef<char> row) const
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{
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int width = getWidth();
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if (row->size() != width)
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row.reset(ArrayRef<char>(width));
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for (int x = 0; x < width; x++)
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row[x] = getPixel(x,y);
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return row;
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}
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ArrayRef<char> CameraImageWrapper::getMatrix() const
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{
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int width = getWidth();
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int height = getHeight();
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char* matrix = new char[width*height];
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char* m = matrix;
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for(int y=0; y<height; y++)
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{
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ArrayRef<char> tmpRow;
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tmpRow = getRow(y, ArrayRef<char>(width));
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#if __cplusplus > 199711L
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memcpy(m, tmpRow->values()..data(), width);
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#else
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memcpy(m, &tmpRow->values()[0], width);
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#endif
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m += width * sizeof(unsigned char);
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}
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ArrayRef<char> arr = ArrayRef<char>(matrix, width*height);
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if (matrix) {
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delete matrix;
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}
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return arr;
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}
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