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Check existence of OpenEXR version macros before using.

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It is introduced in 2.0.1 (not even in 2.0.0) and some old system like CentOS 7 still has 1.7 in stock.
- 60cdff8a6f (diff-c4bae0726aebe410e407db9abd406d9cf2684f82dd8a08f46d84e8b7c35cf22aR67)
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xkszltl 2024-11-17 18:37:13 -08:00 committed by GitHub
parent 4866811933
commit d0c8b36de8
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1 changed files with 9 additions and 4 deletions
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13
modules/imgcodecs/src/grfmt_exr.cpp
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@ -754,7 +754,10 @@ bool ExrEncoder::write( const Mat& img, const std::vector<int>& params )
case IMWRITE_EXR_COMPRESSION_B44A:
header.compression() = B44A_COMPRESSION;
break;
#if ((OPENEXR_VERSION_MAJOR * 1000 + OPENEXR_VERSION_MINOR) >= (2 * 1000 + 2)) // available since version 2.2.0
// version macros introduced in openexr 2.0.1.
// - https://github.com/AcademySoftwareFoundation/openexr/commit/60cdff8a6f5c4e25a374e5f366d6e9b4efd869b3#diff-c4bae0726aebe410e407db9abd406d9cf2684f82dd8a08f46d84e8b7c35cf22aR67
#if defined(OPENEXR_VERSION_MAJOR) && defined(OPENEXR_VERSION_MINOR) && OPENEXR_VERSION_MAJOR * 1000 + OPENEXR_VERSION_MINOR >= 2 * 1000 + 2
// available since version 2.2.0
case IMWRITE_EXR_COMPRESSION_DWAA:
header.compression() = DWAA_COMPRESSION;
break;
@ -768,10 +771,12 @@ bool ExrEncoder::write( const Mat& img, const std::vector<int>& params )
}
if (params[i] == IMWRITE_EXR_DWA_COMPRESSION_LEVEL)
{
#if OPENEXR_VERSION_MAJOR >= 3
header.dwaCompressionLevel() = params[i + 1];
#else
#if !defined(OPENEXR_VERSION_MAJOR)
CV_LOG_ONCE_WARNING(NULL, "Setting `IMWRITE_EXR_DWA_COMPRESSION_LEVEL` not supported in unknown OpenEXR version possibly prior to 2.0.1 (version 3 is required)");
#elif OPENEXR_VERSION_MAJOR < 3
CV_LOG_ONCE_WARNING(NULL, "Setting `IMWRITE_EXR_DWA_COMPRESSION_LEVEL` not supported in OpenEXR version " + std::to_string(OPENEXR_VERSION_MAJOR) + " (version 3 is required)");
#else
header.dwaCompressionLevel() = params[i + 1];
#endif
}
}