1 // This file is part of OpenCV project.
2 // It is subject to the license terms in the LICENSE file found in the top-level directory
3 // of this distribution and at http://opencv.org/license.html.
4 
5 #ifndef OPENCV_IMGCODECS_LEGACY_CONSTANTS_H
6 #define OPENCV_IMGCODECS_LEGACY_CONSTANTS_H
7 
8 /* duplicate of "ImreadModes" enumeration for better compatibility with OpenCV 3.x */
9 enum
10 {
11 /* 8bit, color or not */
12     CV_LOAD_IMAGE_UNCHANGED  =-1,
13 /* 8bit, gray */
14     CV_LOAD_IMAGE_GRAYSCALE  =0,
15 /* ?, color */
16     CV_LOAD_IMAGE_COLOR      =1,
17 /* any depth, ? */
18     CV_LOAD_IMAGE_ANYDEPTH   =2,
19 /* ?, any color */
20     CV_LOAD_IMAGE_ANYCOLOR   =4,
21 /* ?, no rotate */
22     CV_LOAD_IMAGE_IGNORE_ORIENTATION  =128
23 };
24 
25 /* duplicate of "ImwriteFlags" enumeration for better compatibility with OpenCV 3.x */
26 enum
27 {
28     CV_IMWRITE_JPEG_QUALITY =1,
29     CV_IMWRITE_JPEG_PROGRESSIVE =2,
30     CV_IMWRITE_JPEG_OPTIMIZE =3,
31     CV_IMWRITE_JPEG_RST_INTERVAL =4,
32     CV_IMWRITE_JPEG_LUMA_QUALITY =5,
33     CV_IMWRITE_JPEG_CHROMA_QUALITY =6,
34     CV_IMWRITE_PNG_COMPRESSION =16,
35     CV_IMWRITE_PNG_STRATEGY =17,
36     CV_IMWRITE_PNG_BILEVEL =18,
37     CV_IMWRITE_PNG_STRATEGY_DEFAULT =0,
38     CV_IMWRITE_PNG_STRATEGY_FILTERED =1,
39     CV_IMWRITE_PNG_STRATEGY_HUFFMAN_ONLY =2,
40     CV_IMWRITE_PNG_STRATEGY_RLE =3,
41     CV_IMWRITE_PNG_STRATEGY_FIXED =4,
42     CV_IMWRITE_PXM_BINARY =32,
43     CV_IMWRITE_EXR_TYPE = 48,
44     CV_IMWRITE_WEBP_QUALITY =64,
45     CV_IMWRITE_PAM_TUPLETYPE = 128,
46     CV_IMWRITE_PAM_FORMAT_NULL = 0,
47     CV_IMWRITE_PAM_FORMAT_BLACKANDWHITE = 1,
48     CV_IMWRITE_PAM_FORMAT_GRAYSCALE = 2,
49     CV_IMWRITE_PAM_FORMAT_GRAYSCALE_ALPHA = 3,
50     CV_IMWRITE_PAM_FORMAT_RGB = 4,
51     CV_IMWRITE_PAM_FORMAT_RGB_ALPHA = 5,
52 };
53 
54 #endif // OPENCV_IMGCODECS_LEGACY_CONSTANTS_H
55