Merge branch 'master' into 16-bit-rgb-tiff

CHANGES.rst

@@ -4,6 +4,12 @@ Changelog (Pillow)
 4.3.0 (unreleased)
 ------------------
 
+- Basic support for Termux (android) in setup.py #2684
+  [wiredfool]
+
+- Bug: Fix Image.fromarray for numpy.bool type. #2683
+  [wiredfool]
+
 - CI: Add Fedora 24 and 26 to Docker tests
   [wiredfool]
 
@@ -31,6 +37,9 @@ Changelog (Pillow)
 - Remove unused im.copy2 and core.copy methods #2657
   [homm]
 
+- Fast Image.merge() #2677
+  [homm]
+  
 - Fast Image.split() #2676
   [homm]
 

PIL/Image.py

@@ -2423,7 +2423,7 @@ def fromqpixmap(im):
 _fromarray_typemap = {
     # (shape, typestr) => mode, rawmode
     # first two members of shape are set to one
-    # ((1, 1), "|b1"): ("1", "1"), # broken
+    ((1, 1), "|b1"): ("1", "1;8"), 
     ((1, 1), "|u1"): ("L", "L"),
     ((1, 1), "|i1"): ("I", "I;8"),
     ((1, 1), "<u2"): ("I", "I;16"),

Tests/test_numpy.py

@@ -39,7 +39,7 @@ class TestNumpy(PillowTestCase):
         def to_image(dtype, bands=1, boolean=0):
             if bands == 1:
                 if boolean:
-                    data = [0, 1] * 50
+                    data = [0, 255] * 50
                 else:
                     data = list(range(100))
                 a = numpy.array(data, dtype=dtype)
@@ -58,9 +58,9 @@ class TestNumpy(PillowTestCase):
             return i
 
         # Check supported 1-bit integer formats
-        self.assertRaises(TypeError, lambda: to_image(numpy.bool))
-        self.assertRaises(TypeError, lambda: to_image(numpy.bool8))
-
+        self.assert_image(to_image(numpy.bool, 1, 1), '1', TEST_IMAGE_SIZE)
+        self.assert_image(to_image(numpy.bool8, 1, 1), '1', TEST_IMAGE_SIZE)
+        
         # Check supported 8-bit integer formats
         self.assert_image(to_image(numpy.uint8), "L", TEST_IMAGE_SIZE)
         self.assert_image(to_image(numpy.uint8, 3), "RGB", TEST_IMAGE_SIZE)
@@ -213,5 +213,13 @@ class TestNumpy(PillowTestCase):
         self.assertEqual(im.size, (0, 0))
 
 
+    def test_bool(self):
+        # https://github.com/python-pillow/Pillow/issues/2044
+        a = numpy.zeros((10,2), dtype=numpy.bool)
+        a[0][0] = True 
+
+        im2 = Image.fromarray(a)
+        self.assertEqual(im2.getdata()[0], 255)
+
 if __name__ == '__main__':
     unittest.main()

depends/termux.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+pkg -y install python python-dev ndk-sysroot clang make \
+    libjpeg-turbo-dev 
+

libImaging/Unpack.c

@@ -185,6 +185,19 @@ unpack1IR(UINT8* out, const UINT8* in, int pixels)
     }
 }
 
+static void
+unpack18(UINT8* out, const UINT8* in, int pixels)
+{
+    /* Unpack a '|b1' image, which is a numpy boolean. 
+       1 == true, 0==false, in bytes */
+
+    int i;
+    for (i = 0; i < pixels; i++) {
+        out[i] = in[i] > 0 ? 255 : 0;
+    }
+}
+
+
 
 /* Unpack to "L" image */
 
@@ -1244,6 +1257,7 @@ static struct {
     {"1",       "1;I",          1,      unpack1I},
     {"1",       "1;R",          1,      unpack1R},
     {"1",       "1;IR",         1,      unpack1IR},
+    {"1",       "1;8",          1,      unpack18},
 
     /* greyscale */
     {"L",       "L;2",          2,      unpackL2},

setup.py

@@ -365,6 +365,14 @@ class pil_build_ext(build_ext):
                 # work ;-)
                 self.add_multiarch_paths()
 
+                # termux support for android.
+                # system libraries (zlib) are installed in /system/lib
+                # headers are at $PREFIX/include
+                # user libs are at $PREFIX/lib
+                if os.environ.get('ANDROID_ROOT', None):
+                    _add_directory(library_dirs,
+                                  os.path.join(os.environ['ANDROID_ROOT'],'lib'))
+
         elif sys.platform.startswith("gnu"):
             self.add_multiarch_paths()