From 92383a9916c5f9bbbd465434d7ece2b79e336599 Mon Sep 17 00:00:00 2001
From: Alexander Barton <alex@barton.de>
Date: Sat, 1 Nov 2014 18:18:37 +0100
Subject: [PATCH] Add aclock-unix-aalib.c

---
 .gitignore          |   3 +-
 Makefile            |   3 ++
 aclock-unix-aalib.c | 120 ++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 125 insertions(+), 1 deletion(-)
 create mode 100644 aclock-unix-aalib.c

diff --git a/.gitignore b/.gitignore
index cc853fc..b0d09e7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 aclock
-aclock-termcap
+aclock-aalib
 aclock-curses
+aclock-termcap
diff --git a/Makefile b/Makefile
index c85eb93..8274130 100644
--- a/Makefile
+++ b/Makefile
@@ -9,6 +9,9 @@ all: aclock
 aclock: aclock-termcap
 	ln -s aclock-termcap aclock
 
+aclock-aalib:
+	gcc -O2 aclock-unix-aalib.c -o aclock -laa -lm
+
 aclock-curses:
 	cc aclock-unix-curses.c -o aclock-curses -lcurses -lm
 
diff --git a/aclock-unix-aalib.c b/aclock-unix-aalib.c
new file mode 100644
index 0000000..8e737a4
--- /dev/null
+++ b/aclock-unix-aalib.c
@@ -0,0 +1,120 @@
+/*
+ * aclock - ascii clock for UNIX Console
+ *
+ * Copyright (c) 2002 by Antoni Sawicki <as@tenoware.com>
+ * Version 1.8 (unix-aalib); Dublin, June 2002
+ *
+ * Compile: gcc -O2 aclock-unix-aalib.c -o aclock -laa -lm
+ *
+ */
+
+#include <unistd.h>
+#include <math.h>
+#include <time.h>
+#include <aalib.h>
+
+aa_context *context;
+
+void cls(int width, int height) {
+	int x,y;
+	for(x=0; x<=width; x++)
+	for(y=0; y<=height; y++)
+		aa_putpixel(context, x+1, y+1, 0);
+}
+
+void draw_circle(int hand_max, int sYcen, int sXcen, int FontHW){
+	int x,y,r;
+	int c;
+
+
+	for(r=0;r<60;r++){
+		x=cos(r*M_PI/180*6)*hand_max*FontHW+sXcen;
+		y=sin(r*M_PI/180*6)*hand_max+sYcen;
+		switch (r) {
+			case 0:
+			case 5:
+			case 10:
+			case 15:
+			case 20:
+			case 25:
+			case 30:
+			case 35:
+			case 40:
+			case 45:
+			case 50:
+			case 55:
+				c=255;
+				break;
+			default:
+				c=33;
+				break;
+		}
+		aa_putpixel(context, x+1, y+1, c);
+	}
+}
+
+void draw_hand(int minute, int hlenght, int c, int sXcen, int sYcen, int FontHW){
+	int x,y,n;
+	float r=(minute-15)*(M_PI/180)*6;
+
+	for(n=1; n<hlenght; n++){
+		x=cos(r)*n*FontHW+sXcen;
+		y=sin(r)*n+sYcen;
+		aa_putpixel(context,x,y,c);
+	}
+}
+
+
+int main(void){
+	char INFO[]="Copyright (c) 2002 by Antek Sawicki <as@tenoware.com>\n"
+	            "Version 1.4; Dublin, Apr 2002\n";
+	char digital_time[15];
+	int FontHW = 2;
+	int sXmax, sYmax, smax, hand_max, sXcen, sYcen;
+	time_t t;
+	struct tm *ltime;
+
+	aa_recommendhidisplay("curses"); 
+	aa_recommendlowdisplay("curses"); 
+
+	context = aa_autoinit(&aa_defparams);
+
+	if(context == NULL) {
+		fprintf(stderr,"Cannot initialize AA-lib. Giving up.\n");
+		exit(1);
+	}
+
+	for(;;){
+		time(&t);
+		ltime=localtime(&t);
+		sXmax = aa_scrwidth(context) * 2 - 4;
+		sYmax = aa_scrheight(context) * 2 - 4;
+
+		if(sXmax/2<=sYmax)
+			smax=sXmax/2;
+		else
+			smax=sYmax;
+
+		hand_max = (smax/2)-1;
+
+		sXcen = sXmax/2;
+		sYcen = sYmax/2;
+
+		cls(sXmax,sYmax);
+		draw_circle(hand_max, sYcen, sXcen, FontHW);
+
+
+		draw_hand((ltime->tm_hour*5)+(ltime->tm_min/10), 2*hand_max/3, 255, sXcen, sYcen, FontHW);
+		draw_hand(ltime->tm_min, hand_max-2, 100, sXcen, sYcen, FontHW);
+		draw_hand(ltime->tm_sec, hand_max-2, 33, sXcen, sYcen, FontHW);
+
+		aa_fastrender(context, 0, 0, sXmax, sYmax);
+
+		aa_printf(context, sXmax/4-4, sYmax/8, AA_BOLD, ".:ACLOCK:.");
+		aa_printf(context, sXmax/4-4, sYmax/2.5, AA_NORMAL, "[%02d:%02d:%02d]",
+					ltime->tm_hour, ltime->tm_min, ltime->tm_sec);
+		aa_flush(context);
+		sleep(1);
+	}
+	return 0;
+}
-- 
2.39.2