+++ /dev/null
-///////////////////////////////////////////////////////////////////////////
-//
-// Copyright (c) 2004, Industrial Light & Magic, a division of Lucas
-// Digital Ltd. LLC
-//
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-// * Neither the name of Industrial Light & Magic nor the names of
-// its contributors may be used to endorse or promote products derived
-// from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-//
-///////////////////////////////////////////////////////////////////////////
-
-
-#ifndef INCLUDED_IMF_TILED_RGBA_FILE_H
-#define INCLUDED_IMF_TILED_RGBA_FILE_H
-
-//-----------------------------------------------------------------------------
-//
-// Simplified RGBA image I/O for tiled files
-//
-// class TiledRgbaOutputFile
-// class TiledRgbaInputFile
-//
-//-----------------------------------------------------------------------------
-
-#include <ImfHeader.h>
-#include <ImfFrameBuffer.h>
-#include "ImathVec.h"
-#include "ImathBox.h"
-#include "half.h"
-#include <ImfTileDescription.h>
-#include <ImfRgba.h>
-#include <ImfThreading.h>
-
-namespace Imf {
-
-class TiledOutputFile;
-class TiledInputFile;
-struct PreviewRgba;
-
-
-//
-// Tiled RGBA output file.
-//
-
-class TiledRgbaOutputFile
-{
- public:
-
- //---------------------------------------------------
- // Constructor -- rgbaChannels, tileXSize, tileYSize,
- // levelMode, and levelRoundingMode overwrite the
- // channel list and tile description attribute in the
- // header that is passed as an argument to the
- // constructor.
- //---------------------------------------------------
-
- TiledRgbaOutputFile (const char name[],
- const Header &header,
- RgbaChannels rgbaChannels,
- int tileXSize,
- int tileYSize,
- LevelMode mode,
- LevelRoundingMode rmode = ROUND_DOWN,
- int numThreads = globalThreadCount ());
-
-
- //---------------------------------------------------
- // Constructor -- like the previous one, but the new
- // TiledRgbaOutputFile is attached to a file that has
- // already been opened by the caller. Destroying
- // TiledRgbaOutputFileObjects constructed with this
- // constructor does not automatically close the
- // corresponding files.
- //---------------------------------------------------
-
- TiledRgbaOutputFile (OStream &os,
- const Header &header,
- RgbaChannels rgbaChannels,
- int tileXSize,
- int tileYSize,
- LevelMode mode,
- LevelRoundingMode rmode = ROUND_DOWN,
- int numThreads = globalThreadCount ());
-
-
- //------------------------------------------------------
- // Constructor -- header data are explicitly specified
- // as function call arguments (an empty dataWindow means
- // "same as displayWindow")
- //------------------------------------------------------
-
- TiledRgbaOutputFile (const char name[],
- int tileXSize,
- int tileYSize,
- LevelMode mode,
- LevelRoundingMode rmode,
- const Imath::Box2i &displayWindow,
- const Imath::Box2i &dataWindow = Imath::Box2i(),
- RgbaChannels rgbaChannels = WRITE_RGBA,
- float pixelAspectRatio = 1,
- const Imath::V2f screenWindowCenter =
- Imath::V2f (0, 0),
- float screenWindowWidth = 1,
- LineOrder lineOrder = INCREASING_Y,
- Compression compression = ZIP_COMPRESSION,
- int numThreads = globalThreadCount ());
-
-
- //-----------------------------------------------
- // Constructor -- like the previous one, but both
- // the display window and the data window are
- // Box2i (V2i (0, 0), V2i (width - 1, height -1))
- //-----------------------------------------------
-
- TiledRgbaOutputFile (const char name[],
- int width,
- int height,
- int tileXSize,
- int tileYSize,
- LevelMode mode,
- LevelRoundingMode rmode = ROUND_DOWN,
- RgbaChannels rgbaChannels = WRITE_RGBA,
- float pixelAspectRatio = 1,
- const Imath::V2f screenWindowCenter =
- Imath::V2f (0, 0),
- float screenWindowWidth = 1,
- LineOrder lineOrder = INCREASING_Y,
- Compression compression = ZIP_COMPRESSION,
- int numThreads = globalThreadCount ());
-
-
- virtual ~TiledRgbaOutputFile ();
-
-
- //------------------------------------------------
- // Define a frame buffer as the pixel data source:
- // Pixel (x, y) is at address
- //
- // base + x * xStride + y * yStride
- //
- //------------------------------------------------
-
- void setFrameBuffer (const Rgba *base,
- size_t xStride,
- size_t yStride);
-
- //--------------------------
- // Access to the file header
- //--------------------------
-
- const Header & header () const;
- const FrameBuffer & frameBuffer () const;
- const Imath::Box2i & displayWindow () const;
- const Imath::Box2i & dataWindow () const;
- float pixelAspectRatio () const;
- const Imath::V2f screenWindowCenter () const;
- float screenWindowWidth () const;
- LineOrder lineOrder () const;
- Compression compression () const;
- RgbaChannels channels () const;
-
-
- //----------------------------------------------------
- // Utility functions (same as in Imf::TiledOutputFile)
- //----------------------------------------------------
-
- unsigned int tileXSize () const;
- unsigned int tileYSize () const;
- LevelMode levelMode () const;
- LevelRoundingMode levelRoundingMode () const;
-
- int numLevels () const;
- int numXLevels () const;
- int numYLevels () const;
- bool isValidLevel (int lx, int ly) const;
-
- int levelWidth (int lx) const;
- int levelHeight (int ly) const;
-
- int numXTiles (int lx = 0) const;
- int numYTiles (int ly = 0) const;
-
- Imath::Box2i dataWindowForLevel (int l = 0) const;
- Imath::Box2i dataWindowForLevel (int lx, int ly) const;
-
- Imath::Box2i dataWindowForTile (int dx, int dy,
- int l = 0) const;
-
- Imath::Box2i dataWindowForTile (int dx, int dy,
- int lx, int ly) const;
-
- //------------------------------------------------------------------
- // Write pixel data:
- //
- // writeTile(dx, dy, lx, ly) writes the tile with tile
- // coordinates (dx, dy), and level number (lx, ly) to
- // the file.
- //
- // dx must lie in the interval [0, numXTiles(lx)-1]
- // dy must lie in the interval [0, numYTiles(ly)-1]
- //
- // lx must lie in the interval [0, numXLevels()-1]
- // ly must lie in the inverval [0, numYLevels()-1]
- //
- // writeTile(dx, dy, level) is a convenience function
- // used for ONE_LEVEL and MIPMAP_LEVEL files. It calls
- // writeTile(dx, dy, level, level).
- //
- // The two writeTiles(dx1, dx2, dy1, dy2, ...) functions allow
- // writing multiple tiles at once. If multi-threading is used
- // multiple tiles are written concurrently.
- //
- // Pixels that are outside the pixel coordinate range for the tile's
- // level, are never accessed by writeTile().
- //
- // Each tile in the file must be written exactly once.
- //
- //------------------------------------------------------------------
-
- void writeTile (int dx, int dy, int l = 0);
- void writeTile (int dx, int dy, int lx, int ly);
-
- void writeTiles (int dxMin, int dxMax, int dyMin, int dyMax,
- int lx, int ly);
-
- void writeTiles (int dxMin, int dxMax, int dyMin, int dyMax,
- int l = 0);
-
-
- // -------------------------------------------------------------------------
- // Update the preview image (see Imf::TiledOutputFile::updatePreviewImage())
- // -------------------------------------------------------------------------
-
- void updatePreviewImage (const PreviewRgba[]);
-
-
- //------------------------------------------------
- // Break a tile -- for testing and debugging only
- // (see Imf::TiledOutputFile::breakTile())
- //
- // Warning: Calling this function usually results
- // in a broken image file. The file or parts of
- // it may not be readable, or the file may contain
- // bad data.
- //
- //------------------------------------------------
-
- void breakTile (int dx, int dy,
- int lx, int ly,
- int offset,
- int length,
- char c);
- private:
-
- //
- // Copy constructor and assignment are not implemented
- //
-
- TiledRgbaOutputFile (const TiledRgbaOutputFile &);
- TiledRgbaOutputFile & operator = (const TiledRgbaOutputFile &);
-
- class ToYa;
-
- TiledOutputFile * _outputFile;
- ToYa * _toYa;
-};
-
-
-
-//
-// Tiled RGBA input file
-//
-
-class TiledRgbaInputFile
-{
- public:
-
- //--------------------------------------------------------
- // Constructor -- opens the file with the specified name.
- // Destroying TiledRgbaInputFile objects constructed with
- // this constructor automatically closes the corresponding
- // files.
- //--------------------------------------------------------
-
- TiledRgbaInputFile (const char name[],
- int numThreads = globalThreadCount ());
-
-
- //-------------------------------------------------------
- // Constructor -- attaches the new TiledRgbaInputFile
- // object to a file that has already been opened by the
- // caller.
- // Destroying TiledRgbaInputFile objects constructed with
- // this constructor does not automatically close the
- // corresponding files.
- //-------------------------------------------------------
-
- TiledRgbaInputFile (IStream &is, int numThreads = globalThreadCount ());
-
-
- //-----------
- // Destructor
- //-----------
-
- virtual ~TiledRgbaInputFile ();
-
-
- //-----------------------------------------------------
- // Define a frame buffer as the pixel data destination:
- // Pixel (x, y) is at address
- //
- // base + x * xStride + y * yStride
- //
- //-----------------------------------------------------
-
- void setFrameBuffer (Rgba *base,
- size_t xStride,
- size_t yStride);
-
- //--------------------------
- // Access to the file header
- //--------------------------
-
- const Header & header () const;
- const FrameBuffer & frameBuffer () const;
- const Imath::Box2i & displayWindow () const;
- const Imath::Box2i & dataWindow () const;
- float pixelAspectRatio () const;
- const Imath::V2f screenWindowCenter () const;
- float screenWindowWidth () const;
- LineOrder lineOrder () const;
- Compression compression () const;
- RgbaChannels channels () const;
- const char * fileName () const;
- bool isComplete () const;
-
- //----------------------------------
- // Access to the file format version
- //----------------------------------
-
- int version () const;
-
-
- //---------------------------------------------------
- // Utility functions (same as in Imf::TiledInputFile)
- //---------------------------------------------------
-
- unsigned int tileXSize () const;
- unsigned int tileYSize () const;
- LevelMode levelMode () const;
- LevelRoundingMode levelRoundingMode () const;
-
- int numLevels () const;
- int numXLevels () const;
- int numYLevels () const;
- bool isValidLevel (int lx, int ly) const;
-
- int levelWidth (int lx) const;
- int levelHeight (int ly) const;
-
- int numXTiles (int lx = 0) const;
- int numYTiles (int ly = 0) const;
-
- Imath::Box2i dataWindowForLevel (int l = 0) const;
- Imath::Box2i dataWindowForLevel (int lx, int ly) const;
-
- Imath::Box2i dataWindowForTile (int dx, int dy,
- int l = 0) const;
-
- Imath::Box2i dataWindowForTile (int dx, int dy,
- int lx, int ly) const;
-
-
- //----------------------------------------------------------------
- // Read pixel data:
- //
- // readTile(dx, dy, lx, ly) reads the tile with tile
- // coordinates (dx, dy), and level number (lx, ly),
- // and stores it in the current frame buffer.
- //
- // dx must lie in the interval [0, numXTiles(lx)-1]
- // dy must lie in the interval [0, numYTiles(ly)-1]
- //
- // lx must lie in the interval [0, numXLevels()-1]
- // ly must lie in the inverval [0, numYLevels()-1]
- //
- // readTile(dx, dy, level) is a convenience function used
- // for ONE_LEVEL and MIPMAP_LEVELS files. It calls
- // readTile(dx, dy, level, level).
- //
- // The two readTiles(dx1, dx2, dy1, dy2, ...) functions allow
- // reading multiple tiles at once. If multi-threading is used
- // multiple tiles are read concurrently.
- //
- // Pixels that are outside the pixel coordinate range for the
- // tile's level, are never accessed by readTile().
- //
- // Attempting to access a tile that is not present in the file
- // throws an InputExc exception.
- //
- //----------------------------------------------------------------
-
- void readTile (int dx, int dy, int l = 0);
- void readTile (int dx, int dy, int lx, int ly);
-
- void readTiles (int dxMin, int dxMax,
- int dyMin, int dyMax, int lx, int ly);
-
- void readTiles (int dxMin, int dxMax,
- int dyMin, int dyMax, int l = 0);
-
- private:
-
- //
- // Copy constructor and assignment are not implemented
- //
-
- TiledRgbaInputFile (const TiledRgbaInputFile &);
- TiledRgbaInputFile & operator = (const TiledRgbaInputFile &);
-
- class FromYa;
-
- TiledInputFile * _inputFile;
- FromYa * _fromYa;
-};
-
-
-} // namespace Imf
-
-#endif
projects / opencv / blobdiff