name : ImfDeepImageState.h // // SPDX-License-Identifier: BSD-3-Clause // Copyright (c) Contributors to the OpenEXR Project. // #ifndef INCLUDED_IMF_DEEPIMAGESTATE_H #define INCLUDED_IMF_DEEPIMAGESTATE_H //----------------------------------------------------------------------------- // // enum DeepImageState -- describes how orderly the pixel data // in a deep image are // // The samples in a deep image pixel may be sorted according to // depth, and the sample depths or depth ranges may or may not // overlap each other. A pixel is // // - SORTED if for every i and j with i < j // // (Z[i] < Z[j]) || (Z[i] == Z[j] && ZBack[i] < ZBack[j]), // // - NON_OVERLAPPING if for every i and j with i != j // // (Z[i] < Z[j] && ZBack[i] <= Z[j]) || // (Z[j] < Z[i] && ZBack[j] <= Z[i]) || // (Z[i] == Z[j] && ZBack[i] <= Z[i] & ZBack[j] > Z[j]) || // (Z[i] == Z[j] && ZBack[j] <= Z[j] & ZBack[i] > Z[i]), // // - TIDY if it is SORTED and NON_OVERLAPPING, // // - MESSY if it is neither SORTED nor NON_OVERLAPPING. // // A deep image is // // - MESSY if at least one of its pixels is MESSY, // - SORTED if all of its pixels are SORTED, // - NON_OVERLAPPING if all of its pixels are NON_OVERLAPPING, // - TIDY if all of its pixels are TIDY. // // Note: the rather complicated definition of NON_OVERLAPPING prohibits // overlapping volume samples, coincident point samples and point samples // in the middle of a volume sample, but it does allow point samples at // the front or back of a volume sample. // //----------------------------------------------------------------------------- #include "ImfExport.h" #include "ImfNamespace.h" OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_ENTER enum IMF_EXPORT_ENUM DeepImageState : int { DIS_MESSY = 0, DIS_SORTED = 1, DIS_NON_OVERLAPPING = 2, DIS_TIDY = 3, DIS_NUMSTATES // Number of different image states }; OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_EXIT #endif