4 * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #ifndef OVERLAYFRAME_INC
23 #define OVERLAYFRAME_INC
27 #define TRANSFER_TYPES 30
29 #define TRANSFER_NORMAL 0
30 #define TRANSFER_ADDITION 1
31 #define TRANSFER_SUBTRACT 2
32 #define TRANSFER_MULTIPLY 3
33 #define TRANSFER_DIVIDE 4
34 #define TRANSFER_REPLACE 5
35 #define TRANSFER_MAX 6
36 #define TRANSFER_MIN 7
37 #define TRANSFER_DARKEN 8
38 #define TRANSFER_LIGHTEN 9
39 #define TRANSFER_DST 10
40 #define TRANSFER_DST_ATOP 11
41 #define TRANSFER_DST_IN 12
42 #define TRANSFER_DST_OUT 13
43 #define TRANSFER_DST_OVER 14
44 #define TRANSFER_SRC 15
45 #define TRANSFER_SRC_ATOP 16
46 #define TRANSFER_SRC_IN 17
47 #define TRANSFER_SRC_OUT 18
48 #define TRANSFER_SRC_OVER 19
49 #define TRANSFER_AND 20
50 #define TRANSFER_OR 21
51 #define TRANSFER_XOR 22
52 #define TRANSFER_OVERLAY 23
53 #define TRANSFER_SCREEN 24
54 #define TRANSFER_BURN 25
55 #define TRANSFER_DODGE 26
56 #define TRANSFER_HARDLIGHT 27
57 #define TRANSFER_SOFTLIGHT 28
58 #define TRANSFER_DIFFERENCE 29
61 // Interpolation types
64 #define NEAREST_NEIGHBOR 0 // Nearest for enlargement and reduction
65 #define CUBIC_CUBIC 1 // Bicubic enlargement and reduction
66 #define CUBIC_LINEAR 2 // Bicubic enlargement and linear reduction
67 #define LINEAR_LINEAR 3 // Not explicitely called but used for user
68 #define LANCZOS_LANCZOS 4 // Just because we can