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1 files changed, 28 insertions, 0 deletions

diff --git a/html/examples/analyze.lua b/html/examples/analyze.lua
new file mode 100644
index 0000000..7f06496
--- /dev/null
+++ b/html/examples/analyze.lua
@@ -0,0 +1,28 @@
+require"imlua"
+require"imlua_process"
+
+local filename = "lena.jpg"
+
+local image = im.FileImageLoad(filename)
+local gray = im.ImageCreate(image:Width(), image:Height(), im.GRAY, image:DataType())
+local binary = im.ImageCreate(image:Width(), image:Height(), im.BINARY, image:DataType())
+local region = im.ImageCreate(image:Width(), image:Height(), im.GRAY, im.USHORT)
+
+-- make it grayscale
+im.ConvertColorSpace(image, gray)
+gray:Save("lena_gray.jpg", "JPEG")
+
+-- make it binary
+im.ProcessSliceThreshold(gray, binary, 0, 128)
+binary:Save("lena_binary.jpg", "JPEG")
+
+local count = im.AnalyzeFindRegions(binary, region, 4, 1)
+print("regions: ", count)
+
+local region2 = im.ImageCreate(image:Width(), image:Height(), im.GRAY, im.BYTE)
+im.ConvertDataType(region, region2, 0, 0, 0, 0)
+
+local region3 = im.ImageCreate(image:Width(), image:Height(), im.MAP, im.BYTE)
+im.ConvertColorSpace(region2, region3)
+region3:SetPalette(im.PaletteHighContrast(), 256)
+region3:Save("lena_region.gif", "GIF")