X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Fargb_frame.cc;h=a48f80bb76364a3ca7aea061690780f9f095d8d7;hb=709213a3200cd13b87565cc221f14db0fdb5d00e;hp=7a9ad2b94825b421cf4e7ee2a9b4d28cab073221;hpb=3541f4c9bd91169e55a82b9fa46767b46ca06188;p=libdcp.git

diff --git a/src/argb_frame.cc b/src/argb_frame.cc
index 7a9ad2b9..a48f80bb 100644
--- a/src/argb_frame.cc
+++ b/src/argb_frame.cc
@@ -21,11 +21,14 @@
 
 using namespace libdcp;
 
-ARGBFrame::ARGBFrame (int width, int height)
-	: _width (width)
-	, _height (height)
+/** Construct an empty ARGBFrame of a given size and with
+ *  undefined contents.
+ *  @param size Size in pixels.
+ */
+ARGBFrame::ARGBFrame (Size size)
+	: _size (size)
 {
-	_data = new uint8_t[width * height * 4];
+	_data = new uint8_t[_size.width * _size.height * 4];
 }
 
 
@@ -34,8 +37,9 @@ ARGBFrame::~ARGBFrame ()
 	delete[] _data;
 }
 
+/** @return The stride, in bytes; that is, the number of bytes per row of the image */
 int
 ARGBFrame::stride () const
 {
-	return _width * 4;
+	return _size.width * 4;
 }