forgot to commit this

lab06/lab6.c

@@ -0,0 +1,165 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+// Update this with your A number
+char a_num[] = "01385066";
+
+void writeOutput(char outputPath[], char **arr, int *rows, int *cols)
+{
+    FILE *writeFile;
+
+    writeFile = fopen(outputPath, "w");
+
+    if (writeFile == NULL)
+    {
+        perror("Failed to open output file\n");
+        return;
+    }
+
+    // matrix to output file
+    for (int x = 0; x < *rows; x++)
+    {
+        for (int y = 0; y < *cols; y++)
+        {
+            fputc(arr[x][y], writeFile);
+        }
+
+        if (x < *rows - 1) fputc('\n', writeFile);
+    }
+
+    fclose(writeFile);
+}
+
+void zoomArray(char **arr, float n, int *rows, int *cols, char outputFileName[])
+{
+
+    int newRows = (int)(*rows * n);
+    int newCols = (int)(*cols * n);
+
+    char **scaled = malloc(sizeof(char*) * newRows);
+
+    if (scaled == NULL)
+    {
+        printf("Failed to malloc scaled");
+        return;
+    }
+
+    for (int i = 0; i < newRows; i++)
+    {
+        scaled[i] = malloc(sizeof(char) * newCols);
+        if (scaled[i] == NULL)
+        {
+            printf("Failed to malloc scaled[i]");
+            for (int j = 0; j < i; j++)
+                free(scaled[i]);
+
+            free(scaled);
+            return;
+        }
+    }
+
+    for (int i = 0; i < newRows; i++) {
+        for (int j = 0; j < newCols; j++) {
+            int srcRow = (int)(i / n);
+            int srcCol = (int)(j / n);
+
+            if (srcRow >= *rows) srcRow = *rows - 1;
+            if (srcCol >= *cols) srcCol = *cols - 1;
+
+            scaled[i][j] = arr[srcRow][srcCol];
+        }
+    }
+
+    writeOutput(outputFileName, scaled, &newRows, &newCols);
+}
+
+int main(int argc, char *argv[])
+{
+    if (argc != 3)
+    {
+        printf("Usage: %s <input_file> <output_file>\n", argv[0]);
+        return 1;
+    }
+
+    char *inputFileName = argv[1];
+    char *outputFileName = argv[2];
+    char **arr = NULL;
+    int rows = 0, cols = 0;
+    float zoomFactor = 0;
+
+    // Read the input array from the specified file
+    FILE *file = fopen(inputFileName, "r");
+    if (file == NULL)
+    {
+        perror("Error opening input file");
+        return 1;
+    }
+
+    // Read the row value
+    fscanf(file, "%d", &rows);
+    // Read the column value
+    fscanf(file, "%d", &cols);
+    // Read the zoom factor
+    fscanf(file, "%f", &zoomFactor);
+
+    // Allocate memory for the 2D array
+    arr = (char **)malloc(rows * sizeof(char *));
+    if (arr == NULL)
+    {
+        printf("Memory allocation failed.\n");
+        return 1;
+    }
+    for (int i = 0; i < rows; i++)
+    {
+        arr[i] = (char *)malloc(cols * sizeof(char));
+        if (arr[i] == NULL)
+        {
+            printf("Memory allocation failed.\n");
+            return 1;
+        }
+    }
+
+    // Read the elements of the array until 'E' is encountered
+    char inputChar;
+    int i = 0, j = 0;
+    while ((inputChar = fgetc(file)) != 'E')
+    {
+        if (inputChar >= '0' && inputChar <= '9' && i < rows && j < cols)
+        {
+            arr[i][j++] = inputChar;
+            if (j == cols)
+            {
+                j = 0;
+                i++;
+            }
+        }
+    }
+
+    fclose(file);
+    printf("A%s\n", a_num);
+
+    // Output the input array
+    printf("Input Array:\n");
+    for (int i = 0; i < rows; i++)
+    {
+        for (int j = 0; j < cols; j++)
+        {
+            printf("%c", arr[i][j]);
+        }
+        printf("\n");
+    }
+    printf("\n");
+
+    // Call the zoomArray function
+    zoomArray(arr, zoomFactor, &rows, &cols, outputFileName);
+
+    // Free the memory allocated for the 2D array
+    for (int i = 0; i < rows; i++)
+    {
+        free(arr[i]);
+    }
+    free(arr);
+
+    return 0;
+}