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CameraImageWrapper.cpp
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131 lines (106 loc) · 3.15 KB
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#include "CameraImageWrapper.h"
#include <QColor>
#include <QApplication>
#include <QDesktopWidget>
CameraImageWrapper::CameraImageWrapper() : LuminanceSource(0,0)
{
}
CameraImageWrapper::CameraImageWrapper(const QImage &sourceImage) : LuminanceSource(sourceImage.width(), sourceImage.height())
{
image = sourceImage.copy();
}
CameraImageWrapper::CameraImageWrapper(CameraImageWrapper& otherInstance) : LuminanceSource(otherInstance.getWidth(), otherInstance.getHeight())
{
image = otherInstance.getOriginalImage().copy();
}
CameraImageWrapper::~CameraImageWrapper()
{
}
CameraImageWrapper *CameraImageWrapper::Factory(const QImage &sourceImage, int maxWidth, int maxHeight, bool smoothTransformation)
{
QImage image;
if((maxWidth != 1 || maxHeight != 1) && (sourceImage.width() > maxWidth || sourceImage.height() > maxHeight))
image = sourceImage.scaled(
maxWidth != -1 ? maxWidth : sourceImage.width(),
maxHeight != -1 ? maxHeight : sourceImage.height(),
Qt::KeepAspectRatio,
smoothTransformation ? Qt::SmoothTransformation : Qt::FastTransformation);
else
image = sourceImage;
return new CameraImageWrapper(image);
}
int CameraImageWrapper::getWidth() const
{
return image.width();
}
int CameraImageWrapper::getHeight() const
{
return image.height();
}
unsigned char CameraImageWrapper::getPixel(int x, int y) const
{
QRgb pixel = image.pixel(x,y);
return qGray(pixel);//((qRed(pixel) + qGreen(pixel) + qBlue(pixel)) / 3);
}
unsigned char* CameraImageWrapper::copyMatrix() const
{
unsigned char* newMatrix = (unsigned char*)malloc(image.width()*image.height()*sizeof(unsigned char));
int cnt = 0;
for(int i=0; i<image.width(); i++)
{
for(int j=0; j<image.height(); j++)
{
newMatrix[cnt++] = getPixel(i,j);
}
}
return newMatrix;
}
QImage CameraImageWrapper::grayScaleImage(QImage::Format f)
{
QImage tmp(image.width(), image.height(), f);
for(int i=0; i<image.width(); i++)
{
for(int j=0; j<image.height(); j++)
{
int pix = (int)getPixel(i,j);
tmp.setPixel(i,j, qRgb(pix ,pix,pix));
}
}
return tmp;
}
QImage CameraImageWrapper::getOriginalImage()
{
return image;
}
ArrayRef<char> CameraImageWrapper::getRow(int y, ArrayRef<char> row) const
{
int width = getWidth();
if (row->size() != width)
row.reset(ArrayRef<char>(width));
for (int x = 0; x < width; x++)
row[x] = getPixel(x,y);
return row;
}
ArrayRef<char> CameraImageWrapper::getMatrix() const
{
int width = getWidth();
int height = getHeight();
char* matrix = new char[width*height];
char* m = matrix;
for(int y=0; y<height; y++)
{
ArrayRef<char> tmpRow;
tmpRow = getRow(y, ArrayRef<char>(width));
#if __cplusplus > 199711L
memcpy(m, tmpRow->values().data(), width);
#else
memcpy(m, &tmpRow->values()[0], width);
#endif
m += width * sizeof(unsigned char);
}
ArrayRef<char> arr = ArrayRef<char>(matrix, width*height);
if (matrix) {
delete matrix;
}
return arr;
}