X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Futil.h;h=244c018554e958b36bbec842d0335401353afeec;hb=129afab72bfc026b5704c41a6bfc0f4b3a2c4033;hp=ed13cd43cba51bf95f2cad930381bf81f24d7d5a;hpb=d382f34db155ddaf4bb61538c18b87c7564e00b2;p=dcpomatic.git

diff --git a/src/lib/util.h b/src/lib/util.h
index ed13cd43c..244c01855 100644
--- a/src/lib/util.h
+++ b/src/lib/util.h
@@ -121,9 +121,35 @@ struct Position
 	int y;
 };
 
+/** A rectangle */
+struct Rectangle
+{
+	Rectangle ()
+		: x (0)
+		, y (0)
+		, w (0)
+		, h (0)
+	{}
+
+	Rectangle (int x_, int y_, int w_, int h_)
+		: x (x_)
+		, y (y_)
+		, w (w_)
+		, h (h_)
+	{}
+
+	int x;
+	int y;
+	int w;
+	int h;
+
+	Rectangle intersection (Rectangle const & other) const;
+};
+
 extern std::string crop_string (Position, Size);
 extern int dcp_audio_sample_rate (int);
 extern std::string colour_lut_index_to_name (int index);
+extern int round_up (int, int);
 
 /** @class Socket
  *  @brief A class to wrap a boost::asio::ip::tcp::socket with some things
@@ -165,20 +191,4 @@ private:
 	int _buffer_data;
 };
 
-#define SCALEBITS 10
-#define ONE_HALF  (1 << (SCALEBITS - 1))
-#define FIX(x)    ((int) ((x) * (1<<SCALEBITS) + 0.5))
-
-#define RGB_TO_Y_CCIR(r, g, b) \
-((FIX(0.29900*219.0/255.0) * (r) + FIX(0.58700*219.0/255.0) * (g) + \
-  FIX(0.11400*219.0/255.0) * (b) + (ONE_HALF + (16 << SCALEBITS))) >> SCALEBITS)
-
-#define RGB_TO_U_CCIR(r1, g1, b1, shift)\
-(((- FIX(0.16874*224.0/255.0) * r1 - FIX(0.33126*224.0/255.0) * g1 +         \
-     FIX(0.50000*224.0/255.0) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
-
-#define RGB_TO_V_CCIR(r1, g1, b1, shift)\
-(((FIX(0.50000*224.0/255.0) * r1 - FIX(0.41869*224.0/255.0) * g1 -           \
-   FIX(0.08131*224.0/255.0) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
-
 #endif