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Open Source Computer Vision Library
https://opencv.org/
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200 lines
6.6 KiB
200 lines
6.6 KiB
# ---------------------------------------------------------------------------- |
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# Detect 3rd-party image IO libraries |
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# ---------------------------------------------------------------------------- |
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# --- zlib (required) --- |
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if(BUILD_ZLIB) |
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ocv_clear_vars(ZLIB_FOUND) |
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else() |
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find_package(ZLIB "${MIN_VER_ZLIB}") |
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if(ZLIB_FOUND AND ANDROID) |
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if(ZLIB_LIBRARIES STREQUAL "${ANDROID_SYSROOT}/usr/lib/libz.so") |
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set(ZLIB_LIBRARIES z) |
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endif() |
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endif() |
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endif() |
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if(NOT ZLIB_FOUND) |
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ocv_clear_vars(ZLIB_LIBRARY ZLIB_LIBRARIES ZLIB_INCLUDE_DIRS) |
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set(ZLIB_LIBRARY zlib) |
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add_subdirectory("${OpenCV_SOURCE_DIR}/3rdparty/zlib") |
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set(ZLIB_INCLUDE_DIRS "${${ZLIB_LIBRARY}_SOURCE_DIR}" "${${ZLIB_LIBRARY}_BINARY_DIR}") |
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set(ZLIB_LIBRARIES ${ZLIB_LIBRARY}) |
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ocv_parse_header2(ZLIB "${${ZLIB_LIBRARY}_SOURCE_DIR}/zlib.h" ZLIB_VERSION) |
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endif() |
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# --- libtiff (optional, should be searched after zlib) --- |
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if(WITH_TIFF) |
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if(BUILD_TIFF) |
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ocv_clear_vars(TIFF_FOUND) |
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else() |
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include(FindTIFF) |
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if(TIFF_FOUND) |
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ocv_parse_header("${TIFF_INCLUDE_DIR}/tiff.h" TIFF_VERSION_LINES TIFF_VERSION_CLASSIC TIFF_VERSION_BIG TIFF_VERSION TIFF_BIGTIFF_VERSION) |
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endif() |
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endif() |
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if(NOT TIFF_FOUND) |
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ocv_clear_vars(TIFF_LIBRARY TIFF_LIBRARIES TIFF_INCLUDE_DIR) |
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set(TIFF_LIBRARY libtiff) |
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set(TIFF_LIBRARIES ${TIFF_LIBRARY}) |
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add_subdirectory("${OpenCV_SOURCE_DIR}/3rdparty/libtiff") |
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set(TIFF_INCLUDE_DIR "${${TIFF_LIBRARY}_SOURCE_DIR}" "${${TIFF_LIBRARY}_BINARY_DIR}") |
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ocv_parse_header("${${TIFF_LIBRARY}_SOURCE_DIR}/tiff.h" TIFF_VERSION_LINES TIFF_VERSION_CLASSIC TIFF_VERSION_BIG TIFF_VERSION TIFF_BIGTIFF_VERSION) |
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endif() |
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if(TIFF_VERSION_CLASSIC AND NOT TIFF_VERSION) |
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set(TIFF_VERSION ${TIFF_VERSION_CLASSIC}) |
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endif() |
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if(TIFF_BIGTIFF_VERSION AND NOT TIFF_VERSION_BIG) |
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set(TIFF_VERSION_BIG ${TIFF_BIGTIFF_VERSION}) |
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endif() |
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if(NOT TIFF_VERSION_STRING AND TIFF_INCLUDE_DIR) |
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list(GET TIFF_INCLUDE_DIR 0 _TIFF_INCLUDE_DIR) |
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if(EXISTS "${_TIFF_INCLUDE_DIR}/tiffvers.h") |
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file(STRINGS "${_TIFF_INCLUDE_DIR}/tiffvers.h" tiff_version_str REGEX "^#define[\t ]+TIFFLIB_VERSION_STR[\t ]+\"LIBTIFF, Version .*") |
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string(REGEX REPLACE "^#define[\t ]+TIFFLIB_VERSION_STR[\t ]+\"LIBTIFF, Version +([^ \\n]*).*" "\\1" TIFF_VERSION_STRING "${tiff_version_str}") |
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unset(tiff_version_str) |
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endif() |
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unset(_TIFF_INCLUDE_DIR) |
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endif() |
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set(HAVE_TIFF YES) |
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endif() |
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# --- libjpeg (optional) --- |
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if(WITH_JPEG) |
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if(BUILD_JPEG) |
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ocv_clear_vars(JPEG_FOUND) |
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else() |
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include(FindJPEG) |
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endif() |
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if(NOT JPEG_FOUND) |
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ocv_clear_vars(JPEG_LIBRARY JPEG_LIBRARIES JPEG_INCLUDE_DIR) |
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set(JPEG_LIBRARY libjpeg) |
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set(JPEG_LIBRARIES ${JPEG_LIBRARY}) |
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add_subdirectory("${OpenCV_SOURCE_DIR}/3rdparty/libjpeg") |
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set(JPEG_INCLUDE_DIR "${${JPEG_LIBRARY}_SOURCE_DIR}") |
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endif() |
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ocv_parse_header("${JPEG_INCLUDE_DIR}/jpeglib.h" JPEG_VERSION_LINES JPEG_LIB_VERSION) |
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set(HAVE_JPEG YES) |
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endif() |
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# --- libwebp (optional) --- |
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if(WITH_WEBP) |
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if(BUILD_WEBP) |
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ocv_clear_vars(WEBP_FOUND WEBP_LIBRARY WEBP_LIBRARIES WEBP_INCLUDE_DIR) |
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else() |
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include(cmake/OpenCVFindWebP.cmake) |
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endif() |
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endif() |
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# --- Add libwebp to 3rdparty/libwebp and compile it if not available --- |
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if(WITH_WEBP AND NOT WEBP_FOUND) |
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set(WEBP_LIBRARY libwebp) |
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set(WEBP_LIBRARIES ${WEBP_LIBRARY}) |
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add_subdirectory("${OpenCV_SOURCE_DIR}/3rdparty/libwebp") |
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set(WEBP_INCLUDE_DIR "${${WEBP_LIBRARY}_SOURCE_DIR}") |
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endif() |
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if(NOT WEBP_VERSION AND WEBP_INCLUDE_DIR) |
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ocv_clear_vars(ENC_MAJ_VERSION ENC_MIN_VERSION ENC_REV_VERSION) |
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if(EXISTS "${WEBP_INCLUDE_DIR}/enc/vp8enci.h") |
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ocv_parse_header("${WEBP_INCLUDE_DIR}/enc/vp8enci.h" WEBP_VERSION_LINES ENC_MAJ_VERSION ENC_MIN_VERSION ENC_REV_VERSION) |
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set(WEBP_VERSION "${ENC_MAJ_VERSION}.${ENC_MIN_VERSION}.${ENC_REV_VERSION}") |
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elseif(EXISTS "${WEBP_INCLUDE_DIR}/webp/encode.h") |
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file(STRINGS "${WEBP_INCLUDE_DIR}/webp/encode.h" WEBP_ENCODER_ABI_VERSION REGEX "#define[ \t]+WEBP_ENCODER_ABI_VERSION[ \t]+([x0-9a-f]+)" ) |
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if(WEBP_ENCODER_ABI_VERSION MATCHES "#define[ \t]+WEBP_ENCODER_ABI_VERSION[ \t]+([x0-9a-f]+)") |
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set(WEBP_ENCODER_ABI_VERSION "${CMAKE_MATCH_1}") |
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set(WEBP_VERSION "encoder: ${WEBP_ENCODER_ABI_VERSION}") |
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else() |
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unset(WEBP_ENCODER_ABI_VERSION) |
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endif() |
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endif() |
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endif() |
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# --- libjasper (optional, should be searched after libjpeg) --- |
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if(WITH_JASPER) |
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if(BUILD_JASPER) |
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ocv_clear_vars(JASPER_FOUND) |
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else() |
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include(FindJasper) |
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endif() |
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if(NOT JASPER_FOUND) |
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ocv_clear_vars(JASPER_LIBRARY JASPER_LIBRARIES JASPER_INCLUDE_DIR) |
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set(JASPER_LIBRARY libjasper) |
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set(JASPER_LIBRARIES ${JASPER_LIBRARY}) |
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add_subdirectory("${OpenCV_SOURCE_DIR}/3rdparty/libjasper") |
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set(JASPER_INCLUDE_DIR "${${JASPER_LIBRARY}_SOURCE_DIR}") |
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endif() |
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set(HAVE_JASPER YES) |
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if(NOT JASPER_VERSION_STRING) |
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ocv_parse_header2(JASPER "${JASPER_INCLUDE_DIR}/jasper/jas_config.h" JAS_VERSION "") |
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endif() |
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endif() |
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# --- libpng (optional, should be searched after zlib) --- |
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if(WITH_PNG AND NOT IOS) |
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if(BUILD_PNG) |
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ocv_clear_vars(PNG_FOUND) |
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else() |
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include(FindPNG) |
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if(PNG_FOUND) |
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include(CheckIncludeFile) |
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check_include_file("${PNG_PNG_INCLUDE_DIR}/libpng/png.h" HAVE_LIBPNG_PNG_H) |
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if(HAVE_LIBPNG_PNG_H) |
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ocv_parse_header("${PNG_PNG_INCLUDE_DIR}/libpng/png.h" PNG_VERSION_LINES PNG_LIBPNG_VER_MAJOR PNG_LIBPNG_VER_MINOR PNG_LIBPNG_VER_RELEASE) |
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else() |
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ocv_parse_header("${PNG_PNG_INCLUDE_DIR}/png.h" PNG_VERSION_LINES PNG_LIBPNG_VER_MAJOR PNG_LIBPNG_VER_MINOR PNG_LIBPNG_VER_RELEASE) |
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endif() |
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endif() |
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endif() |
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if(NOT PNG_FOUND) |
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ocv_clear_vars(PNG_LIBRARY PNG_LIBRARIES PNG_INCLUDE_DIR PNG_PNG_INCLUDE_DIR HAVE_LIBPNG_PNG_H PNG_DEFINITIONS) |
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set(PNG_LIBRARY libpng) |
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set(PNG_LIBRARIES ${PNG_LIBRARY}) |
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add_subdirectory("${OpenCV_SOURCE_DIR}/3rdparty/libpng") |
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set(PNG_INCLUDE_DIR "${${PNG_LIBRARY}_SOURCE_DIR}") |
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set(PNG_DEFINITIONS "") |
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ocv_parse_header("${PNG_INCLUDE_DIR}/png.h" PNG_VERSION_LINES PNG_LIBPNG_VER_MAJOR PNG_LIBPNG_VER_MINOR PNG_LIBPNG_VER_RELEASE) |
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endif() |
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set(HAVE_PNG YES) |
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set(PNG_VERSION "${PNG_LIBPNG_VER_MAJOR}.${PNG_LIBPNG_VER_MINOR}.${PNG_LIBPNG_VER_RELEASE}") |
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endif() |
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# --- OpenEXR (optional) --- |
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if(WITH_OPENEXR) |
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if(BUILD_OPENEXR) |
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ocv_clear_vars(OPENEXR_FOUND) |
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else() |
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include("${OpenCV_SOURCE_DIR}/cmake/OpenCVFindOpenEXR.cmake") |
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endif() |
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if(NOT OPENEXR_FOUND) |
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ocv_clear_vars(OPENEXR_INCLUDE_PATHS OPENEXR_LIBRARIES OPENEXR_ILMIMF_LIBRARY OPENEXR_VERSION) |
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set(OPENEXR_LIBRARIES IlmImf) |
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set(OPENEXR_ILMIMF_LIBRARY IlmImf) |
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add_subdirectory("${OpenCV_SOURCE_DIR}/3rdparty/openexr") |
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endif() |
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set(HAVE_OPENEXR YES) |
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endif()
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