model for printing

src/display.c

@@ -1,6 +1,47 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ncurses.h>
 
 #include "display.h"
 
+
+void setup_display() {
+	initscr();   // ncurses initialization
+	curs_set(0); // invisible cursor
+}
+
+void cleanup_display() {
+	endwin(); // clean ncurses shutdown
+}
+
+/*
+	image[row][col] >>> image[row*width+col];
+
+	uint32_t width;		// normally 80
+	uint32_t height;	// normally 25, may vary
+	char *image;		// dimension is width x height
+*/
+void print_current_image(message* msg, int start, int end) {
+
+	move(0,0);
+	char *pic = msg->img;
+	
+	for (int row=0; row < 25; row++) {
+		
+		char *line = (char*) malloc(81);
+		strcpy(line, strtok(pic, '\n'));
+		line[81] = '\0';
+		printw("%s", line);
+		
+	}
+	
+	refresh(); // refresh the screen
+
+}
+
+
 void callback(long tst) {
 	printf("in callback, tst=%ld\n", tst);
 }
+

src/display.h

@@ -1,8 +1,11 @@
 #ifndef __DISPLAY
 #define __DISPLAY
 
-#include <stdio.h>
-
+void setup_display();
+void cleanup_display();
 void callback(long tst);
 
+void 
+
 #endif
+