Mon 14 Oct 23:09:15 CEST 2024

user/test/printer.c

@@ -0,0 +1,35 @@
+/*
+Copyright (C) 2016-2019 The University of Notre Dame
+This software is distributed under the GNU General Public License.
+See the file LICENSE for details.
+*/
+
+/*
+A fun graphics demo that features a line segment bouncing around the screen.
+*/
+
+#include "library/syscalls.h"
+#include "library/string.h"
+#include "library/user-io.h"
+
+#define WIDTH    (200)
+#define HEIGHT   (200)
+
+int main(int argc, char *argv[])
+{
+	draw_window(KNO_STDWIN);
+	draw_color(0, 0, 255);
+	draw_clear(0, 0, WIDTH, HEIGHT);
+	draw_flush();
+
+	int cd = syscall_open_console(KNO_STDWIN);
+	if(cd < 0) {
+		printf("Console open failed!\n");
+		return 2;
+	}
+	syscall_object_dup(cd, KNO_STDOUT);
+
+	printf("hello world!\n");
+
+	return 0;
+}