98 lines
2.5 KiB
C
98 lines
2.5 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_LEVEL_H
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#define INCLUDED_IMF_IMAGE_LEVEL_H
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//----------------------------------------------------------------------------
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//
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// class ImageLevel
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//
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// For an explanation of images, levels and channels,
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// see the comments in header file Image.h.
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//
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//----------------------------------------------------------------------------
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#include "ImfImageChannel.h"
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#include "ImfImageChannelRenaming.h"
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#include "ImfUtilExport.h"
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#include <ImathBox.h>
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#include <string>
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OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_ENTER
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class Image;
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class IMFUTIL_EXPORT_TYPE ImageLevel
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{
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public:
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//
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// Access to the image to which the level belongs.
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//
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Image& image () { return _image; }
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const Image& image () const { return _image; }
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//
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// Access to the level number and the data window of this level.
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//
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int xLevelNumber () const { return _xLevelNumber; }
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int yLevelNumber () const { return _yLevelNumber; }
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const IMATH_NAMESPACE::Box2i& dataWindow () const { return _dataWindow; }
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protected:
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friend class Image;
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IMFUTIL_EXPORT
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ImageLevel (Image& image, int xLevelNumber, int yLevelNumber);
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IMFUTIL_EXPORT
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virtual ~ImageLevel ();
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IMFUTIL_EXPORT
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virtual void resize (const IMATH_NAMESPACE::Box2i& dataWindow);
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IMFUTIL_EXPORT
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virtual void shiftPixels (int dx, int dy);
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virtual void insertChannel (
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const std::string& name,
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PixelType type,
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int xSampling,
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int ySampling,
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bool pLinear) = 0;
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virtual void eraseChannel (const std::string& name) = 0;
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virtual void clearChannels () = 0;
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virtual void
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renameChannel (const std::string& oldName, const std::string& newName) = 0;
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virtual void renameChannels (const RenamingMap& oldToNewNames) = 0;
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IMFUTIL_EXPORT
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void throwChannelExists (const std::string& name) const;
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IMFUTIL_EXPORT
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void throwBadChannelName (const std::string& name) const;
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IMFUTIL_EXPORT
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void throwBadChannelNameOrType (const std::string& name) const;
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private:
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ImageLevel (const ImageLevel&); // not implemented
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ImageLevel& operator= (const ImageLevel&); // not implemented
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Image& _image;
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int _xLevelNumber;
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int _yLevelNumber;
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IMATH_NAMESPACE::Box2i _dataWindow;
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};
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OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_EXIT
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#endif
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