openimageio

USE flags

• cpu_flags_x86_aes - Enable support for Intel's AES instruction set (AES-NI)
• cpu_flags_x86_avx - Adds support for Advanced Vector Extensions instructions
• cpu_flags_x86_avx2 - Adds support for Advanced Vector Extensions 2 instructions
• cpu_flags_x86_avx512f - Adds support for AVX-512 Foundation instructions
• cpu_flags_x86_f16c - Adds support for F16C instruction set for converting between half-precision and single-precision floats
• cpu_flags_x86_sse2 - Use the SSE2 instruction set
• cpu_flags_x86_sse3 - Use the SSE3 instruction set ([pni] in cpuinfo, NOT ssse3)
• cpu_flags_x86_sse4_1 - Enable SSE4.1 instruction support
• cpu_flags_x86_sse4_2 - Enable SSE4.2 instruction support
• cpu_flags_x86_ssse3 - Use the SSSE3 instruction set (NOT sse3/pni)
• dicom - Enable DICOM medical image file support via sci-libs/dcmtk
• doc - Add extra documentation (API, Javadoc, etc). It is recommended to enable per package instead of globally
• ffmpeg - Enable ffmpeg/libav-based audio/video codec support
• gif - Add GIF image support
• jpeg2k - Support for JPEG 2000, a wavelet-based image compression format
• opencv - Enable OpenCV support via media-libs/opencv
• opengl - Add support for OpenGL (3D graphics)
• openvdb - Enable OpenVDB support via media-gfx/openvdb
• ptex - Enable Ptex texture mapping system file support via media-libs/ptex
• python - Add optional support/bindings for the Python language
• python_single_target_python3_10 - Build for Python 3.10 only
• python_single_target_python3_11 - Build for Python 3.11 only
• python_single_target_python3_9 - Build for Python 3.9 only
• qt5 - Build iv with Qt5
• qt6 - Build iv with Qt6
• raw - Add support for raw image formats
• test - Enable dependencies and/or preparations necessary to run tests (usually controlled by FEATURES=test but can be toggled independently)
• tools - Build the command-line tools
• truetype - Add support for FreeType and/or FreeType2 fonts
• X - Add support for X11

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