From 4d64e4cd434426234a5c313c151cd79b6afc299e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Juha=20Vehvil=C3=A4inen?= <jusu@users.sourceforge.net>
Date: Sat, 6 Jul 2002 17:50:18 +0000
Subject: *** empty log message ***

svn path=/trunk/Framestein/; revision=27
---
 Plugins/makesliders.c | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 Plugins/makesliders.c

(limited to 'Plugins/makesliders.c')

diff --git a/Plugins/makesliders.c b/Plugins/makesliders.c
new file mode 100644
index 0000000..5c0b209
--- /dev/null
+++ b/Plugins/makesliders.c
@@ -0,0 +1,40 @@
+//
+// makesliders: display slider values
+//
+// usage: makesliders 14 56 76 140
+// displays four sliders with given values
+//
+
+#include <string.h>
+#include "plugin.h"
+
+#define MAXVALS 128
+
+void perform_effect(_frame f, _args a)
+{
+	pixel8 *p8;
+	char *t=a.s;
+	int val[MAXVALS], valcount=0, i, y, bitsperpixel=f.pixelformat / 8, col;
+
+	if(!t) return;
+
+	while(t && valcount<MAXVALS)
+	{
+		val[valcount++] = atoi(t);
+		t = strstr(t, " ");
+		if(t) t++;
+	}
+
+	memset(f.bits, 0, f.height*f.lpitch);
+	col = rand()%256;
+
+	for(i=0; i<f.width; i++)
+	{
+		y = val[(int)(i / (float)f.width * (float)valcount)];
+		if(y>=0 && y<f.height)
+		{
+			p8 = scanline(f, y);
+			memset(p8+i*bitsperpixel, 200, bitsperpixel);
+		}
+	}
+}
-- 
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