From ec0a1adadf3c64957c8f7d529c6bdbf3fa037dd8 Mon Sep 17 00:00:00 2001
From: Vincent Sanders <vince@netsurf-browser.org>
Date: Fri, 22 Jan 2010 00:39:54 +0000
Subject: quick workround for polygon plotter issues improve polygon star
 plotter to have animation!

svn path=/trunk/libnsfb/; revision=9862
---
 test/polystar.c | 64 +++++++++++++++++++++++++++++++++++----------------------
 1 file changed, 40 insertions(+), 24 deletions(-)

(limited to 'test')

diff --git a/test/polystar.c b/test/polystar.c
index 9897458..25b1f42 100644
--- a/test/polystar.c
+++ b/test/polystar.c
@@ -1,5 +1,7 @@
 /* libnsfb ploygon plotter test program */
 
+#define _POSIX_C_SOURCE 199506L
+
 #include <stdio.h>
 #include <stdbool.h>
 #include <stdlib.h>
@@ -9,8 +11,16 @@
 #include "libnsfb_plot.h"
 #include "libnsfb_event.h"
 
-#define UNUSED(x) ((x) = (x))
 
+#include <time.h>
+// Sleep milliseconds
+static void sleepMilli(long ms) 
+{
+	const struct timespec ts = {ms / 1000, ms % 1000 * 1000000};
+	nanosleep(&ts, NULL);  
+}
+
+#define UNUSED(x) ((x) = (x))
 
 int main(int argc, char **argv)
 {
@@ -26,6 +36,8 @@ int main(int argc, char **argv)
     int loop;
     nsfb_plot_pen_t pen;
 
+    double rotate;
+
     UNUSED(argc);
     UNUSED(argv);
 
@@ -46,41 +58,45 @@ int main(int argc, char **argv)
 
     nsfb_get_framebuffer(nsfb, &fbptr, &fbstride);
 
-    /* claim the whole screen for update */
-    nsfb_claim(nsfb, &box);
 
     pen.stroke_colour = 0xff000000;
     pen.stroke_type = NFSB_PLOT_OPTYPE_SOLID;
 
-    nsfb_plot_clg(nsfb, 0xffffffff);
+    for (rotate =0; rotate < (2 * M_PI); rotate += (M_PI / 8)) {
+	    /* claim the whole screen for update */
+	    nsfb_claim(nsfb, &box);
 
-    radius = (box.y1 / 2);
+	    nsfb_plot_clg(nsfb, 0xffffffff);
 
-    for (sides = 14; sides >=6; sides-=2) {
-	    points = malloc(sizeof(nsfb_point_t) * sides);
+	    radius = (box.y1 / 2);
 
-	    for (loop = 0; loop < sides;loop+=2) {
-		    points[loop].x = (box.x1 / 2) + 
-			    (radius * cos(loop * 2 * M_PI / sides));
-		    points[loop].y = (box.y1 / 2) + 
-			    (radius * sin(loop * 2 * M_PI / sides));
+	    for (sides = 10; sides >=9; sides-=2) {
+		    points = malloc(sizeof(nsfb_point_t) * sides);
 
-		    points[loop+1].x = (box.x1 / 2) + 
-			    ((radius / 3) * cos((loop+1) * 2 * M_PI / sides));
-		    points[loop+1].y = (box.y1 / 2) + 
-			    ((radius / 3) * sin((loop+1) * 2 * M_PI / sides));
-	    }
+		    for (loop = 0; loop < sides;loop+=2) {
+			    points[loop].x = (box.x1 / 2) + 
+				    (radius * cos((loop * 2 * M_PI / sides) + rotate));
+			    points[loop].y = (box.y1 / 2) + 
+				    (radius * sin((loop * 2 * M_PI / sides) + rotate));
 
-	    nsfb_plot_polygon(nsfb, (const int *)points, sides, 
-			      0xff000000 | (0xffffff / (sides * 2)));
+			    points[loop+1].x = (box.x1 / 2) + 
+				     ((radius / 3) * cos(((loop+1) * 2 * M_PI / sides) + rotate));
+			    points[loop+1].y = (box.y1 / 2) + 
+				     ((radius / 3) * sin(((loop+1) * 2 * M_PI / sides) + rotate));
+		    }
 
-	    nsfb_plot_polylines(nsfb, sides, points, &pen);
+		    nsfb_plot_polygon(nsfb, (const int *)points, sides, 
+				      0xff000000 | (0xffffff / (sides * 2)));
 
-	    free(points);
-	    radius -= 40;
-    }
+		    nsfb_plot_polylines(nsfb, sides, points, &pen);
 
-    nsfb_update(nsfb, &box);
+		    free(points);
+		    radius -= 40;
+	    }
+
+	    nsfb_update(nsfb, &box);
+	    sleepMilli(100);
+    }
     
     while (event.type != NSFB_EVENT_CONTROL)
         nsfb_event(nsfb, &event, -1);
-- 
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