45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
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//
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// SPDX-License-Identifier: BSD-3-Clause
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// Copyright (c) Contributors to the OpenEXR Project.
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//
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#ifndef INCLUDED_IMF_IMAGE_DATA_WINDOW_H
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#define INCLUDED_IMF_IMAGE_DATA_WINDOW_H
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//----------------------------------------------------------------------------
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//
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// enum DataWindowSource,
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// function dataWindowForFile()
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//
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//----------------------------------------------------------------------------
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#include "ImfNamespace.h"
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#include "ImfUtilExport.h"
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#include <ImathBox.h>
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OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_ENTER
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enum IMFUTIL_EXPORT_ENUM DataWindowSource
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{
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USE_IMAGE_DATA_WINDOW,
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USE_HEADER_DATA_WINDOW
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};
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//
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// Given the an image, i, an OpenEXR file header, h, and a data window
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// source flag, d, dataWindowForFile(i,h,d) returns i.dataWindow() if d
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// is USE_IMAGE_DATA_WINDOW, or the intersection of i.dataWindow() and
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// h.dataWindow() if d is USE_HEADER_DATA_WINDOW.
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//
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class Image;
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class Header;
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IMFUTIL_EXPORT
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IMATH_NAMESPACE::Box2i
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dataWindowForFile (const Header& hdr, const Image& img, DataWindowSource dws);
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OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_EXIT
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#endif
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