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/**
* @file main.cpp
* @description basic test cases for QTree
* CPSC 221 PA3
*
* You may add your own tests to this file
*
* THIS FILE WILL NOT BE SUBMITTED
*/
#include <iostream>
#include <string>
#include "qtree.h"
using namespace std;
/**********************************/
/*** TEST FUNCTION DECLARATIONS ***/
/**********************************/
void TestBuildRender(unsigned int scale);
void TestFlipHorizontal();
void TestRotateCCW();
void TestPrune(double tol);
/***********************************/
/*** MAIN FUNCTION PROGRAM ENTRY ***/
/***********************************/
int main(int argc, char* argv[]) {
TestBuildRender(1);
TestBuildRender(6);
TestFlipHorizontal();
TestRotateCCW();
TestPrune(0.01);
TestPrune(0.05);
return 0;
}
/*************************************/
/*** TEST FUNCTION IMPLEMENTATIONS ***/
/*************************************/
void TestBuildRender(unsigned int scale) {
cout << "Entered TestBuildRender, scale: " << scale << endl;
// read input PNG
PNG input;
input.readFromFile("images-original/malachi-60x87.png");
cout << "Constructing QTree from image... ";
QTree t(input);
cout << "done." << endl;
cout << "Rendering tree to PNG at x" << scale << " scale... ";
PNG output = t.Render(scale);
cout << "done." << endl;
// write output PNG
string outfilename = "images-output/malachi-render_x" + to_string(scale) + ".png";
cout << "Writing rendered PNG to file... ";
output.writeToFile(outfilename);
cout << "done." << endl;
cout << "Exiting TestBuildRender.\n" << endl;
}
void TestFlipHorizontal() {
cout << "Entered TestFlipHorizontal" << endl;
// read input PNG
PNG input;
input.readFromFile("images-original/malachi-60x87.png");
cout << "Constructing QTree from image... ";
QTree t(input);
cout << "done." << endl;
cout << "Calling FlipHorizontal... ";
t.FlipHorizontal();
cout << "done." << endl;
cout << "Rendering tree to PNG at x1 scale... ";
PNG output = t.Render(1);
cout << "done." << endl;
// write output PNG
string outfilename = "images-output/malachi-fliphorizontal_x1-render_x1.png";
cout << "Writing rendered PNG to file... ";
output.writeToFile(outfilename);
cout << "done." << endl;
cout << "Calling FlipHorizontal a second time... ";
t.FlipHorizontal();
cout << "done." << endl;
cout << "Rendering tree to PNG at x1 scale... ";
output = t.Render(1);
cout << "done." << endl;
// write output PNG
outfilename = "images-output/malachi-fliphorizontal_x2-render_x1.png";
cout << "Writing rendered PNG to file... ";
output.writeToFile(outfilename);
cout << "done." << endl;
cout << "Exiting TestFlipHorizontal.\n" << endl;
}
void TestRotateCCW() {
cout << "Entered TestRotateCCW" << endl;
// read input PNG
PNG input;
input.readFromFile("images-original/malachi-60x87.png");
cout << "Constructing QTree from image... ";
QTree t(input);
cout << "done." << endl;
cout << "Calling RotateCCW... ";
t.RotateCCW();
cout << "done." << endl;
cout << "Rendering tree to PNG at x1 scale... ";
PNG output = t.Render(1);
cout << "done." << endl;
// write output PNG
string outfilename = "images-output/malachi-rotateccw_x1-render_x1.png";
cout << "Writing rendered PNG to file... ";
output.writeToFile(outfilename);
cout << "done." << endl;
cout << "Calling RotateCCW a second time... ";
t.RotateCCW();
cout << "done." << endl;
cout << "Rendering tree to PNG at x1 scale... ";
output = t.Render(1);
cout << "done." << endl;
// write output PNG
outfilename = "images-output/malachi-rotateccw_x2-render_x1.png";
cout << "Writing rendered PNG to file... ";
output.writeToFile(outfilename);
cout << "done." << endl;
cout << "Calling RotateCCW a third time... ";
t.RotateCCW();
cout << "done." << endl;
cout << "Rendering tree to PNG at x1 scale... ";
output = t.Render(1);
cout << "done." << endl;
// write output PNG
outfilename = "images-output/malachi-rotateccw_x3-render_x1.png";
cout << "Writing rendered PNG to file... ";
output.writeToFile(outfilename);
cout << "done." << endl;
cout << "Calling RotateCCW a fourth time... ";
t.RotateCCW();
cout << "done." << endl;
cout << "Rendering tree to PNG at x1 scale... ";
output = t.Render(1);
cout << "done." << endl;
// write output PNG
outfilename = "images-output/malachi-rotateccw_x4-render_x1.png";
cout << "Writing rendered PNG to file... ";
output.writeToFile(outfilename);
cout << "done." << endl;
cout << "Exiting TestRotateCCW.\n" << endl;
}
void TestPrune(double tol) {
cout << "Entered TestPrune, tolerance: " << tol << endl;
// read input PNG
PNG input;
input.readFromFile("images-original/kkkk_nnkm-256x224.png");
cout << "Constructing QTree from image... ";
QTree t(input);
cout << "done." << endl;
cout << "Tree contains " << t.CountNodes() << " nodes and " << t.CountLeaves() << " leaves." << endl;
cout << "Calling Prune... ";
t.Prune(tol);
cout << "done." << endl;
cout << "Pruned tree contains " << t.CountNodes() << " nodes and " << t.CountLeaves() << " leaves." << endl;
cout << "Rendering tree to PNG at x1 scale... ";
PNG output = t.Render(1);
cout << "done." << endl;
// write output PNG
string outfilename = "images-output/kkkk_nnkm-256x224-prune_" + to_string(tol) + "-render_x1.png";
cout << "Writing rendered PNG to file... ";
output.writeToFile(outfilename);
cout << "done." << endl;
cout << "Exiting TestPrune.\n" << endl;
}