/**
* Sets previous image to image label.
*/
void Photo_Viewer::previousImage()
{
//using dynamic memory
char* filename;
//check if a previous image exists
if (getImgLoc()>0) {
//current image location - 1
string str = files.at(getImgLoc() - 1);
filename = new char[str.length() + 1];
//copy string to char
strcpy(filename, str.c_str());
//change image
setNewImage(filename);
//free up memory
delete[] filename;
//set new image location to be one number lower
setImgLoc(getImgLoc() - 1);
} else { //get the last image
string str = files.at(files.size() - 1);
filename = new char[str.length() + 1];
//copy string to char
strcpy(filename, str.c_str());
//change image
setNewImage(filename);
//free up memory
delete[] filename;
//set image location to last image
setImgLoc(files.size() - 1);
}
}
/**
* Sets next image to image label.
*/
void Photo_Viewer::nextImage()
{
//using dynamic memory
char* filename;
//check if a next image exists
if (getImgLoc()<files.size()-1) {
//current image location + 1
string str = files.at(getImgLoc() + 1);
filename = new char[str.length() + 1];
//copy string to char
strcpy(filename, str.c_str());
//change image
setNewImage(filename);
//free up memory
delete[] filename;
//set new image location to be one number higher
setImgLoc(getImgLoc() + 1);
}else { //get the first image
string str = files.at(0);
filename = new char[str.length() + 1];
//copy string to char
strcpy(filename, str.c_str());
//change image
setNewImage(filename);
//free up memory
delete[] filename;
//set image location to first image
setImgLoc(0);
}
}
/**
* Creates an image label that fills QMainWindow and reloads the first
* image and scales it to the size of the label.
*/
void Photo_Viewer::createImageLabel()
{
imgLbl = new QLabel(this);
imgLbl->setBackgroundRole(QPalette::Base);
imgLbl->setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Ignored);
//using dynamic memory
char* filename;
//get the current image location
string str = files.at(getImgLoc());
filename = new char[str.length() + 1];
//copy string to char
strcpy(filename, str.c_str());
//change image
setNewImage(filename);
//free up memory
delete[] filename;
imgLbl->resize(maxWidth, maxHeight);
imgLbl->setScaledContents(TRUE);
imgLbl->show();
}
void Lattice2DRep::update(int x, int y, cv::Scalar color){
x = getImgLoc(x); y = getImgLoc(y);
cv::Point cen = cv::Point(x,y);
helperCV.DrawRectangle(imgLattice,cen,squareSize,squareSize,color);
}
