Graduate

Signed-off-by: Matt Strapp <matt@mattstrapp.net>

1 files changed, 130 insertions, 0 deletions

diff --git a/ee1301/wk5/hw5_directory/strap012_HW5C.cpp b/ee1301/wk5/hw5_directory/strap012_HW5C.cpp
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+++ b/ee1301/wk5/hw5_directory/strap012_HW5C.cpp
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+/*

+Date: April 4 2019

+Name: Matthew Strapp

+Student ID number: 5449340

+Course number: EE 1301

+Term: Spring 2019

+Lab/assignment number: HW 5C

+Short Program Description: Pixel Averaging

+*/

+#include <iostream>

+#include <string>

+#include <sstream>

+using namespace std;

+

+#define SIZE 100

+int maxRow = -1, maxColumn = 0;

+void getInput(int input[SIZE][SIZE]);

+void makeNewArray(int oldArray[SIZE][SIZE], int newArray[SIZE][SIZE]);

+void pixelAverage(int inArray[SIZE][SIZE], int outArray[SIZE][SIZE]);

+void printArray(int array[SIZE][SIZE]);

+

+int main() {

+  int inputArray[SIZE][SIZE] = {0},

+      outputArray[SIZE][SIZE] = {0};

+  getInput(inputArray);

+  makeNewArray(inputArray, outputArray);

+  pixelAverage(inputArray, outputArray);

+  printArray(outputArray);

+}

+

+// Function: getInput

+//  ---------------------------

+// Takes the stream of stdin, puts that into a stringsream and puts that stringsteam into an integer array

+// input: an empty array of SIZE, as defined in line 15.

+void getInput(int input[SIZE][SIZE]) {

+  string test, temp1; int temp2=0;

+  //I would mainly like to thank whatever user on StackOverflow solved my problem

+  while (getline(cin,test,'\n')) {

+    temp2 = -1;

+    istringstream ss(test);

+    while(getline(ss,temp1,' ')) {

+      temp2++;

+      input[maxRow][temp2] = stoi(temp1);

+      }

+      if (temp2>maxColumn) {

+          maxColumn = temp2+1; //1 is added to make the math work.

+      }

+    maxRow++;

+  }

+  maxRow++;

+}

+

+// Function: makeNewArray

+//  ---------------------------

+// Takes the array made in getInput and puts that same array into a new array to manipulate

+// oldArray: Array generated in getInput of SIZE

+// newArray: Array of same dimensions and data

+void makeNewArray(int oldArray[SIZE][SIZE], int newArray[SIZE][SIZE]) {

+  for (int row = 0; row < maxRow; row++) {

+    for (int column = 0; column < maxColumn; column++) {

+      newArray[row][column] = oldArray[row][column];

+    }

+  }

+}

+

+// Function: pixelAverage

+//  ---------------------------

+// The meat of the program, taking the surrounding values, adding them, and divides by the number of surrounding values

+// inArray: Generated in getInput

+// outArray: Generated in makeNewArray

+void pixelAverage(int inArray[SIZE][SIZE], int outArray[SIZE][SIZE]) {

+  int sum = 0, n = 0, average; //n is the number of surrounding pixels

+  for (int row = -1; row < maxRow-1; row++) {

+    for (int column = -1; column < maxColumn-1; column++) {

+      sum=0; n=0; //Sum and n are reset every loop

+      if ( !((row)<0) ) { //True when array is in lower bounds row-wise

+        sum += inArray[row-1][column];

+        n++;

+      }

+      if ( (row+1)<maxRow-1 ) { //True when array is in upper bounds row-wise

+        sum += inArray[row+1][column];

+        n++;

+      }

+      if ( !((column)<0) ) { //True when array is in lower bounds column-wise

+        sum += inArray[row][column-1];

+        n++;

+      }

+      if ( (column+1)<maxColumn-1 ) {//True when array is in upper bounds column-wise

+        sum += inArray[row][column+1];

+        n++;

+      }

+      //All of these if statements are combinations are previous statements for the diagonal aspects

+      if ( !((row)<0) && !((column)<0) ) {

+        sum += inArray[row-1][column-1];

+        n++;

+      }

+      if ( !((row)<0) && ( (column+1)<maxColumn-1 ) ) {

+        sum += inArray[row-1][column+1];

+        n++;

+      }

+      if ( (row+1)<maxRow-1 && (column+1)<maxColumn-1 ) {

+        sum += inArray[row+1][column+1];

+        n++;

+      }

+      if ( (!((column)<0)  && (row+1)<maxRow-1) ) {

+        sum+=inArray[row+1][column-1];

+        n++;

+      }

+      sum+=inArray[row][column];

+      n++;

+      average = sum/n;

+      outArray[row+1][column+1]=average;

+    }

+  }

+}

+

+// Function: printArray

+//  ---------------------------

+// Prints the new array after the pixel averaging

+// array: Array generated in pixelAverage

+void printArray (int array[SIZE][SIZE]) {

+    for (int row = 0; row < maxRow; row++)

+    {

+      for (int column = 0; column < maxColumn; column++)

+      {

+        cout << array[row][column] << " ";

+      }

+      cout << endl;

+    }

+}