From b402bb173fb56fe53646035dbb0be1677e2c0e8a Mon Sep 17 00:00:00 2001
From: John Cupitt <jcupitt@gmail.com>
Date: Wed, 24 Sep 2014 21:57:56 +0100
Subject: [PATCH] test pyvips bandjoin

---
 python/test_conversion.py | 9 +++++++++
 python/vips8/vips.py      | 4 ++++
 2 files changed, 13 insertions(+)

diff --git a/python/test_conversion.py b/python/test_conversion.py
index 6091224a..d3637e75 100755
--- a/python/test_conversion.py
+++ b/python/test_conversion.py
@@ -110,5 +110,14 @@ class TestConversion(unittest.TestCase):
 
         self.run_unary([self.colour], band_eor, fmt = int_formats)
 
+    def test_bandjoin(self):
+        im2 = Vips.Image.bandjoin([self.colour, self.mono])
+
+        self.assertEqual(im2.bands, self.colour.bands + self.mono.bands)
+        v = im2.getpoint(10, 10)
+        self.assertAlmostEqualObjects(v, [2, 3, 4, 3])
+        v = im2.getpoint(50, 50)
+        self.assertAlmostEqualObjects(v, [3, 5, 7, 5])
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/python/vips8/vips.py b/python/vips8/vips.py
index b8070ad8..b9102674 100644
--- a/python/vips8/vips.py
+++ b/python/vips8/vips.py
@@ -517,6 +517,9 @@ def vips_exp(self):
 def vips_exp10(self):
         return self.math(Vips.OperationMath.EXP10)
 
+def vips_bandjoin2(self, other):
+        return Vips.Image.bandjoin([self, other])
+
 # paste our methods into Vips.Image
 
 # class methods
@@ -589,6 +592,7 @@ Vips.Image.log = vips_log
 Vips.Image.log10 = vips_log10
 Vips.Image.exp = vips_exp
 Vips.Image.exp10 = vips_exp10
+Vips.Image.bandjoin2 = vips_bandjoin2
 
 # operator overloads
 Vips.Image.__getattr__ = vips_image_getattr