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/colortv.c | 69 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 Plugins/colortv.c

(limited to 'Plugins/colortv.c')

diff --git a/Plugins/colortv.c b/Plugins/colortv.c
new file mode 100644
index 0000000..1885d1f
--- /dev/null
+++ b/Plugins/colortv.c
@@ -0,0 +1,69 @@
+#include "plugin.h"
+
+void perform_effect(struct frame f, struct args a)
+{
+	int x, y;
+	pixel16 *p16;
+	pixel32 *p32;
+	pixel16 c1, c2, c3;
+
+	switch(f.pixelformat)
+	{
+		case 16:
+			for(y=0; y<f.height; y++)
+			{
+				p16=scanline16(f, y);
+				for(x=1; x<f.width; x++)
+				{
+					p16[x]=(p16[x]+p16[x-1])/2;
+				}
+			}
+			break;
+		case 32:
+			for(y=0; y<f.height; y++)
+			{
+				p32=scanline32(f, y);
+				for(x=1; x<f.width; x++)
+				{
+					p32[x]=(p32[x]+p32[x-1])/2;
+				}
+			}
+			break;
+	}
+}
+
+void perform_copy(struct frame f1, struct frame f2, struct args a)
+{
+	int x, y, w, h;
+	pixel16 *p1_16, *p2_16, c1, c2, c3;
+	pixel32 *p1_32, *p2_32;
+
+	w = f1.width<f2.width ? f1.width : f2.width;
+	h = f1.height<f2.height ? f1.height : f2.height;
+
+	switch(f1.pixelformat)
+	{
+		case 16:
+			for(y=0; y<h; y++)
+			{
+				p1_16 = scanline16(f1, y);
+				p2_16 = scanline16(f2, y);
+				for(x=1; x<w; x++)
+				{
+					p2_16[x]=(p1_16[x]+p2_16[x])/2;
+				}
+			}
+			break;
+		case 32:
+			for(y=0; y<h; y++)
+			{
+				p1_32 = scanline32(f1, y);
+				p2_32 = scanline32(f2, y);
+				for(x=1; x<w; x++)
+				{
+					p2_32[x]=(p1_32[x]+p2_32[x])/2;
+				}
+			}
+			break;
+	}
+}
-- 
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