1 # ----------------------------------------------------------------------------
2 # Detect 3rd-party image IO libraries
3 # ----------------------------------------------------------------------------
5 # --- zlib (required) ---
7 ocv_clear_vars(ZLIB_FOUND)
10 if(ZLIB_FOUND AND ANDROID)
11 if(ZLIB_LIBRARIES STREQUAL "${ANDROID_SYSROOT}/usr/lib/libz.so")
18 ocv_clear_vars(ZLIB_LIBRARY ZLIB_LIBRARIES ZLIB_INCLUDE_DIRS)
20 set(ZLIB_LIBRARY zlib)
21 add_subdirectory("${OpenCV_SOURCE_DIR}/3rdparty/zlib")
22 set(ZLIB_INCLUDE_DIRS "${${ZLIB_LIBRARY}_SOURCE_DIR}" "${${ZLIB_LIBRARY}_BINARY_DIR}")
23 set(ZLIB_LIBRARIES ${ZLIB_LIBRARY})
25 ocv_parse_header2(ZLIB "${${ZLIB_LIBRARY}_SOURCE_DIR}/zlib.h" ZLIB_VERSION)
28 # --- libtiff (optional, should be searched after zlib) ---
31 ocv_clear_vars(TIFF_FOUND)
35 ocv_parse_header("${TIFF_INCLUDE_DIR}/tiff.h" TIFF_VERSION_LINES TIFF_VERSION_CLASSIC TIFF_VERSION_BIG TIFF_VERSION TIFF_BIGTIFF_VERSION)
40 ocv_clear_vars(TIFF_LIBRARY TIFF_LIBRARIES TIFF_INCLUDE_DIR)
42 set(TIFF_LIBRARY libtiff)
43 set(TIFF_LIBRARIES ${TIFF_LIBRARY})
44 add_subdirectory("${OpenCV_SOURCE_DIR}/3rdparty/libtiff")
45 set(TIFF_INCLUDE_DIR "${${TIFF_LIBRARY}_SOURCE_DIR}" "${${TIFF_LIBRARY}_BINARY_DIR}")
46 ocv_parse_header("${${TIFF_LIBRARY}_SOURCE_DIR}/tiff.h" TIFF_VERSION_LINES TIFF_VERSION_CLASSIC TIFF_VERSION_BIG TIFF_VERSION TIFF_BIGTIFF_VERSION)
49 if(TIFF_VERSION_CLASSIC AND NOT TIFF_VERSION)
50 set(TIFF_VERSION ${TIFF_VERSION_CLASSIC})
53 if(TIFF_BIGTIFF_VERSION AND NOT TIFF_VERSION_BIG)
54 set(TIFF_VERSION_BIG ${TIFF_BIGTIFF_VERSION})
57 if(NOT TIFF_VERSION_STRING AND TIFF_INCLUDE_DIR)
58 list(GET TIFF_INCLUDE_DIR 0 _TIFF_INCLUDE_DIR)
59 if(EXISTS "${_TIFF_INCLUDE_DIR}/tiffvers.h")
60 file(STRINGS "${_TIFF_INCLUDE_DIR}/tiffvers.h" tiff_version_str REGEX "^#define[\t ]+TIFFLIB_VERSION_STR[\t ]+\"LIBTIFF, Version .*")
61 string(REGEX REPLACE "^#define[\t ]+TIFFLIB_VERSION_STR[\t ]+\"LIBTIFF, Version +([^ \\n]*).*" "\\1" TIFF_VERSION_STRING "${tiff_version_str}")
62 unset(tiff_version_str)
64 unset(_TIFF_INCLUDE_DIR)
70 # --- libjpeg (optional) ---
73 ocv_clear_vars(JPEG_FOUND)
79 ocv_clear_vars(JPEG_LIBRARY JPEG_LIBRARIES JPEG_INCLUDE_DIR)
81 set(JPEG_LIBRARY libjpeg)
82 set(JPEG_LIBRARIES ${JPEG_LIBRARY})
83 add_subdirectory("${OpenCV_SOURCE_DIR}/3rdparty/libjpeg")
84 set(JPEG_INCLUDE_DIR "${${JPEG_LIBRARY}_SOURCE_DIR}")
87 ocv_parse_header("${JPEG_INCLUDE_DIR}/jpeglib.h" JPEG_VERSION_LINES JPEG_LIB_VERSION)
91 # --- libwebp (optional) ---
95 ocv_clear_vars(WEBP_FOUND WEBP_LIBRARY WEBP_LIBRARIES WEBP_INCLUDE_DIR)
97 include(cmake/OpenCVFindWebP.cmake)
101 # --- Add libwebp to 3rdparty/libwebp and compile it if not available ---
102 if(WITH_WEBP AND NOT WEBP_FOUND)
104 set(WEBP_LIBRARY libwebp)
105 set(WEBP_LIBRARIES ${WEBP_LIBRARY})
107 add_subdirectory("${OpenCV_SOURCE_DIR}/3rdparty/libwebp")
108 set(WEBP_INCLUDE_DIR "${${WEBP_LIBRARY}_SOURCE_DIR}")
111 if(NOT WEBP_VERSION AND WEBP_INCLUDE_DIR)
112 ocv_clear_vars(ENC_MAJ_VERSION ENC_MIN_VERSION ENC_REV_VERSION)
113 if(EXISTS "${WEBP_INCLUDE_DIR}/enc/vp8enci.h")
114 ocv_parse_header("${WEBP_INCLUDE_DIR}/enc/vp8enci.h" WEBP_VERSION_LINES ENC_MAJ_VERSION ENC_MIN_VERSION ENC_REV_VERSION)
115 set(WEBP_VERSION "${ENC_MAJ_VERSION}.${ENC_MIN_VERSION}.${ENC_REV_VERSION}")
116 elseif(EXISTS "${WEBP_INCLUDE_DIR}/webp/encode.h")
117 file(STRINGS "${WEBP_INCLUDE_DIR}/webp/encode.h" WEBP_ENCODER_ABI_VERSION REGEX "#define[ \t]+WEBP_ENCODER_ABI_VERSION[ \t]+([x0-9a-f]+)" )
118 if(WEBP_ENCODER_ABI_VERSION MATCHES "#define[ \t]+WEBP_ENCODER_ABI_VERSION[ \t]+([x0-9a-f]+)")
119 set(WEBP_ENCODER_ABI_VERSION "${CMAKE_MATCH_1}")
120 set(WEBP_VERSION "encoder: ${WEBP_ENCODER_ABI_VERSION}")
122 unset(WEBP_ENCODER_ABI_VERSION)
127 # --- libjasper (optional, should be searched after libjpeg) ---
130 ocv_clear_vars(JASPER_FOUND)
136 ocv_clear_vars(JASPER_LIBRARY JASPER_LIBRARIES JASPER_INCLUDE_DIR)
138 set(JASPER_LIBRARY libjasper)
139 set(JASPER_LIBRARIES ${JASPER_LIBRARY})
140 add_subdirectory("${OpenCV_SOURCE_DIR}/3rdparty/libjasper")
141 set(JASPER_INCLUDE_DIR "${${JASPER_LIBRARY}_SOURCE_DIR}")
146 if(NOT JASPER_VERSION_STRING)
147 ocv_parse_header2(JASPER "${JASPER_INCLUDE_DIR}/jasper/jas_config.h" JAS_VERSION "")
151 # --- libpng (optional, should be searched after zlib) ---
152 if(WITH_PNG AND NOT IOS)
154 ocv_clear_vars(PNG_FOUND)
158 include(CheckIncludeFile)
159 check_include_file("${PNG_PNG_INCLUDE_DIR}/libpng/png.h" HAVE_LIBPNG_PNG_H)
160 if(HAVE_LIBPNG_PNG_H)
161 ocv_parse_header("${PNG_PNG_INCLUDE_DIR}/libpng/png.h" PNG_VERSION_LINES PNG_LIBPNG_VER_MAJOR PNG_LIBPNG_VER_MINOR PNG_LIBPNG_VER_RELEASE)
163 ocv_parse_header("${PNG_PNG_INCLUDE_DIR}/png.h" PNG_VERSION_LINES PNG_LIBPNG_VER_MAJOR PNG_LIBPNG_VER_MINOR PNG_LIBPNG_VER_RELEASE)
169 ocv_clear_vars(PNG_LIBRARY PNG_LIBRARIES PNG_INCLUDE_DIR PNG_PNG_INCLUDE_DIR HAVE_LIBPNG_PNG_H PNG_DEFINITIONS)
171 set(PNG_LIBRARY libpng)
172 set(PNG_LIBRARIES ${PNG_LIBRARY})
173 add_subdirectory("${OpenCV_SOURCE_DIR}/3rdparty/libpng")
174 set(PNG_INCLUDE_DIR "${${PNG_LIBRARY}_SOURCE_DIR}")
175 set(PNG_DEFINITIONS "")
176 ocv_parse_header("${PNG_INCLUDE_DIR}/png.h" PNG_VERSION_LINES PNG_LIBPNG_VER_MAJOR PNG_LIBPNG_VER_MINOR PNG_LIBPNG_VER_RELEASE)
180 set(PNG_VERSION "${PNG_LIBPNG_VER_MAJOR}.${PNG_LIBPNG_VER_MINOR}.${PNG_LIBPNG_VER_RELEASE}")
183 # --- OpenEXR (optional) ---
186 ocv_clear_vars(OPENEXR_FOUND)
188 include("${OpenCV_SOURCE_DIR}/cmake/OpenCVFindOpenEXR.cmake")
191 if(NOT OPENEXR_FOUND)
192 ocv_clear_vars(OPENEXR_INCLUDE_PATHS OPENEXR_LIBRARIES OPENEXR_ILMIMF_LIBRARY OPENEXR_VERSION)
194 set(OPENEXR_LIBRARIES IlmImf)
195 set(OPENEXR_ILMIMF_LIBRARY IlmImf)
196 add_subdirectory("${OpenCV_SOURCE_DIR}/3rdparty/openexr")
199 set(HAVE_OPENEXR YES)