int main()
{
char fileName[BUFFER_SIZE],fileName2[BUFFER_SIZE],ci;
int i,j,rows,cols,option=1;
int value=0;
printf("\tOption #0: Quit.\n");
printf("\tOption #1: Add to brightness.\n");
printf("\tOption #2: Subtract from brightness.\n");
printf("\tOption #3: Sobel edge highlighter.\n");
while (option){
printf("\nEnter a number (1-3) to specify an option listed above: ");
scanf("%d", &option);
if (option<0||option>3)
printf("Please enter a number between 0 and 3.\n");
else if (option==0)
break;
switch(option){
case 1:
// Add (value) to brightness of image
printf("Enter image filename: ");
scanf("%s", fileName);
img = readpic(fileName);
printf("Successfully read image file '%s'\n", fileName);
printf("How much would you like to increment the brightness in the image? ");
scanf("%d", &value);
// add given brightness value to image
addtopixels(img,value);
printf("Enter image filename for output: ");
scanf("%s", fileName);
// write out temporary buffer to actual image file
writeoutpic(fileName,img);
break;
case 2:
// subtract (value) to brightness of image
// Read first image
printf("Enter first image file: ");
scanf("%s", fileName);
img = readpic(fileName);
printf("Successfully read image file '%s'\n", fileName);
// Read second image
printf("Enter another image file: ");
scanf("%s", fileName2);
printf("Successfully read image file '%s'\n", fileName2);
printf("How much would you like to decrement the brightness in the image? ");
scanf("%d", &value);
addtopixels(img,0-value);
printf("Enter image filename for output: ");
scanf("%s", fileName);
// write out subtracted brightness image buffer to designated
// image file
writeoutpic(fileName,img);
break;
case 3:
// sobel edge highlighter
printf("Enter image filename: ");
scanf("%s", fileName);
img = readpic(fileName);
printf("Successfully read image file '%s'\n", fileName);
// Initialize temporary image variables
sobelout = setImage();
temppicx = setImage();
temppicy = setImage();
// Call sobel function on temporary images and input image
sobelfunc(img,sobelout,temppicx,temppicy);
printf("Enter image filename for output: ");
scanf("%s", fileName);
// Write temporary file out to designated filename
writeoutpic(fileName,sobelout);
// Free temporary sobel func-only image files
free(sobelout);
free(temppicx);
free(temppicy);
break;
default:
// if the user is retarded or entered 0, exit
printf("Exiting.\n");
free(img);
break;
}
// free all the temporary image files
free(img);
free(img2);
img = NULL;
img2 = NULL;
return(EXIT_SUCCESS);
}
}
int main()
//Declare and initialize Variables inside main function
{
char fileName[BUFFER_SIZE];
int i,j,rows,cols,user_input=0,Value1=0,loop=1;
char ci;
//Print out menu
while (loop = 1){
// printf("Please select an option:\n");
// printf("1) Read in a picture file and process it.\n");
// printf("2) Read in two picture files and subtract the second picture from the first.\n");
printf("Read in a pic and apply the sobelfunc function to it. Use a grayscale pic saved as a *.pgm in your computer Please enter the number 3 on your keyboard and then hit the enter key \n");
// printf("4) Exit.\n");
scanf("%d", &user_input);
//Read in an image and prompt user to enter a value for the image
if (user_input == 1){
printf("enter image filename in the format *.pgm: ");
scanf("%s", fileName);
img = readpic(fileName);
printf("Successfully read image file '%s'\n", fileName);
printf("Enter a value for the picture: ");
scanf("%d", &Value1);
system("pause");
F3(img, numRows, numCols, Value1);
F4(img, numRows, numCols, Value1);
printf("Enter image filename for output: ");
scanf("%s", fileName);
writeoutpic(fileName,img);
free(img);
img = NULL;
}
//Read in two images and subtract the second from the first
else if (user_input == 2) {
printf("Enter first image filename: ");
scanf("%s", fileName);
// temppicx = readpic(fileName);
printf("Enter second image filename: ");
scanf("%s", fileName);
// temppicy = readpic(fileName);
// sobelout = setImage();
// subtractpixels(sobelout, temppicx, temppicy);
printf("Enter image filename for output: ");
scanf("%s", fileName);
// writeoutpic(fileName,sobelout);
free(temppicx);
temppicx = NULL;
free(temppicy);
temppicy = NULL;
}
//Read in a picture and apply the sobelfunc function to it
else if (user_input == 3){
printf("Enter pic filename (*.pgm, example dog.pgm): ");
scanf("%s", fileName);
img = readpic(fileName);
sobelout= setdImage();
candid = setImage();
sobelout= setdImage();
temppicx= setdImage();
temppicy= setdImage();
finaly= setImage();
sobelout2=setImage();
cannyfunc(img,sobelout,temppicx,temppicy,candid,finaly);
printf("Enter mag filename for output: ");
scanf("%s", fileName);
for(i=0;i<numRows;i++) for (j=0;j<numCols;j++) sobelout2[i][j]= (int) sobelout[i][j];
writeoutpic(fileName,sobelout2);
printf("Enter peaks filename for output: ");
scanf("%s", fileName);
writeoutpic(fileName,candid);
printf("Enter final filename for output: ");
scanf("%s", fileName);
writeoutpic(fileName,finaly);
free(img);
img = NULL;
}
//Exit the program.
else if (user_input == 4) {
return(EXIT_SUCCESS);
}
}
}
