From 193cd3427108bd127e09f391f7fe51f6b62590e9 Mon Sep 17 00:00:00 2001
From: scuri <scuri>
Date: Fri, 26 Jun 2009 17:14:56 +0000
Subject: *** empty log message ***

---
 html/examples/fft.lua | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 html/examples/fft.lua

(limited to 'html/examples/fft.lua')

diff --git a/html/examples/fft.lua b/html/examples/fft.lua
new file mode 100644
index 0000000..3589635
--- /dev/null
+++ b/html/examples/fft.lua
@@ -0,0 +1,17 @@
+require"imlua"
+require"imlua_process"
+require"imlua_fftw"
+
+local filename = "lena.jpg"
+local image = im.FileImageLoad(filename)
+
+local complex = im.ImageCreate(image:Width(), image:Height(), image:ColorSpace(), im.CFLOAT)
+im.ProcessFFT(image, complex)
+
+local c = complex[0][5][10] --  component=0(Red), y = 5 x =10
+print(c[1], c[2])
+
+complex[0][5][10] = { 2*c[1], c[2]/2 }
+
+local c = complex[0][5][10]
+print(c[1], c[2])
-- 
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