Esempio n. 1
0
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);     
                                 }
                                  }
        
}