Lab3_Q1
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#include <iostream>
#include <fstream>;
using namespace std;
class charMatrix{
private:
int xRes;
int yRes;
char **xtable;
public:
charMatrix(int xResolution,int yResolution, char bgChar);
void setChar(int x,int y,char v);
int getChar(int x,int y);
~charMatrix();
void prt();
void saveToFile(string fileName);
};
charMatrix::charMatrix(int xResolution,int yResolution, char bgChar){
xRes = xResolution;
yRes = yResolution;
xtable = new char*[yRes];
for(int i=0;i<yRes;i++) {
xtable[i] = new char[xRes];
}
for(int i=0;i<yRes;i++){
for(int j=0;j<xRes;j++){
xtable[i][j] = bgChar;
}
}
}
charMatrix::~charMatrix(){
for (int i=0; i<yRes; i++) {
delete[] xtable[i];
}
delete [] xtable;
}
void charMatrix::setChar(int x,int y,char v){
xtable[y][x] = v;
}
int charMatrix::getChar(int x,int y){
return xtable[y][x];
}
void charMatrix::prt(){
for(int i=0;i < yRes;i++){
for(int j=0;j < xRes;j++){
cout << getChar(j,i) << " ";
}
cout << endl;
}
}
void charMatrix::saveToFile(string fileName){
ofstream pgmFile(fileName);
pgmFile << "P2" << endl;
pgmFile << xRes << " " << yRes << endl;
pgmFile << 255 << endl;
for(int i=0;i<yRes;i++){
for(int j=0;j<xRes;j++){
pgmFile << getChar(j,i) << " ";
}// next column
pgmFile << endl;
}// next row
// all done!
pgmFile.close();
}
int main()
{
int xR=25, yR=25, myChar='x';
charMatrix c(xR,yR,' '); // fill a 25x25 block with blanks
for(int i=0;i < yR;i++) {
for(int j=0;j < xR;j++) {
// do c.setChar(j,i,myChar) based on a calculation involving i,j
}
}
c.prt();
c.saveToFile("fun.txt");
return 0;
}
Cpp
INFO