DYT/Tool/OpenSceneGraph-3.6.5/include/OpenEXR/ImfTiledInputPart.h
2024-12-25 07:49:36 +08:00

99 lines
2.7 KiB
C++

//
// SPDX-License-Identifier: BSD-3-Clause
// Copyright (c) Contributors to the OpenEXR Project.
//
#ifndef IMFTILEDINPUTPART_H_
#define IMFTILEDINPUTPART_H_
#include "ImfForward.h"
#include "ImfTileDescription.h"
#include <ImathBox.h>
OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_ENTER
//-----------------------------------------------------------------------------
// class TiledInputPart:
//
// Same interface as TiledInputFile. Please have a reference to TiledInputFile.
//-----------------------------------------------------------------------------
class IMF_EXPORT_TYPE TiledInputPart
{
public:
IMF_EXPORT
TiledInputPart (MultiPartInputFile& multiPartFile, int partNumber);
IMF_EXPORT
const char* fileName () const;
IMF_EXPORT
const Header& header () const;
IMF_EXPORT
int version () const;
IMF_EXPORT
void setFrameBuffer (const FrameBuffer& frameBuffer);
IMF_EXPORT
const FrameBuffer& frameBuffer () const;
IMF_EXPORT
bool isComplete () const;
IMF_EXPORT
unsigned int tileXSize () const;
IMF_EXPORT
unsigned int tileYSize () const;
IMF_EXPORT
LevelMode levelMode () const;
IMF_EXPORT
LevelRoundingMode levelRoundingMode () const;
IMF_EXPORT
int numLevels () const;
IMF_EXPORT
int numXLevels () const;
IMF_EXPORT
int numYLevels () const;
IMF_EXPORT
bool isValidLevel (int lx, int ly) const;
IMF_EXPORT
int levelWidth (int lx) const;
IMF_EXPORT
int levelHeight (int ly) const;
IMF_EXPORT
int numXTiles (int lx = 0) const;
IMF_EXPORT
int numYTiles (int ly = 0) const;
IMF_EXPORT
IMATH_NAMESPACE::Box2i dataWindowForLevel (int l = 0) const;
IMF_EXPORT
IMATH_NAMESPACE::Box2i dataWindowForLevel (int lx, int ly) const;
IMF_EXPORT
IMATH_NAMESPACE::Box2i dataWindowForTile (int dx, int dy, int l = 0) const;
IMF_EXPORT
IMATH_NAMESPACE::Box2i
dataWindowForTile (int dx, int dy, int lx, int ly) const;
IMF_EXPORT
void readTile (int dx, int dy, int l = 0);
IMF_EXPORT
void readTile (int dx, int dy, int lx, int ly);
IMF_EXPORT
void readTiles (int dx1, int dx2, int dy1, int dy2, int lx, int ly);
IMF_EXPORT
void readTiles (int dx1, int dx2, int dy1, int dy2, int l = 0);
IMF_EXPORT
void rawTileData (
int& dx,
int& dy,
int& lx,
int& ly,
const char*& pixelData,
int& pixelDataSize);
private:
TiledInputFile* file;
// for internal use - allow TiledOutputFile access to file for copyPixels
friend class TiledOutputFile;
};
OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_EXIT
#endif /* IMFTILEDINPUTPART_H_ */