img: add Tiff.horz_dpi and .vert_dpi

Steve Canny · Steve Canny · commit dade3c3668c7 · 2014-02-27T12:08:36.000-08:00
diff --git a/docx/image/tiff.py b/docx/image/tiff.py
@@ -38,6 +38,20 @@ def from_stream(cls, stream, blob, filename):
         vert_dpi = parser.vert_dpi
         return cls(blob, filename, px_width, px_height, horz_dpi, vert_dpi)
 
+    @property
+    def horz_dpi(self):
+        """
+        The intended print density of the image's pixels along the x-axis
+        """
+        return self._horz_dpi
+
+    @property
+    def vert_dpi(self):
+        """
+        The intended print density of the image's pixels along the y-axis
+        """
+        return self._vert_dpi
+
 
 class _TiffParser(object):
     """
diff --git a/tests/image/test_tiff.py b/tests/image/test_tiff.py
@@ -40,6 +40,12 @@ def it_knows_its_content_type(self):
         tiff = Tiff(None, None, None, None, None, None)
         assert tiff.content_type == MIME_TYPE.TIFF
 
+    def it_knows_the_horz_and_vert_dpi_of_the_tiff_image(self):
+        horz_dpi, vert_dpi = 42, 24
+        tiff = Tiff(None, None, None, None, horz_dpi, vert_dpi)
+        assert tiff.horz_dpi == horz_dpi
+        assert tiff.vert_dpi == vert_dpi
+
     # fixtures -------------------------------------------------------
 
     @pytest.fixture
