1 #ifndef OVERLAYFRAME_INC
2 #define OVERLAYFRAME_INC
6 #define TRANSFER_NORMAL 0
7 #define TRANSFER_ADDITION 1
8 #define TRANSFER_SUBTRACT 2
9 #define TRANSFER_MULTIPLY 3
10 #define TRANSFER_DIVIDE 4
11 #define TRANSFER_REPLACE 5
13 // Interpolation types
16 #define NEAREST_NEIGHBOR 0 // Nearest for enlargement and reduction
17 #define CUBIC_CUBIC 1 // Bicubic enlargement and reduction
18 #define CUBIC_LINEAR 2 // Bicubic enlargement and linear reduction
19 #define LINEAR_LINEAR 3 // Not explicitely called but used for user