1
///////////////////////////////////////////////////////////////////////////
3
// Copyright (c) 2004, Industrial Light & Magic, a division of Lucas
6
// All rights reserved.
8
// Redistribution and use in source and binary forms, with or without
9
// modification, are permitted provided that the following conditions are
11
// * Redistributions of source code must retain the above copyright
12
// notice, this list of conditions and the following disclaimer.
13
// * Redistributions in binary form must reproduce the above
14
// copyright notice, this list of conditions and the following disclaimer
15
// in the documentation and/or other materials provided with the
17
// * Neither the name of Industrial Light & Magic nor the names of
18
// its contributors may be used to endorse or promote products derived
19
// from this software without specific prior written permission.
21
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33
///////////////////////////////////////////////////////////////////////////
36
#ifndef INCLUDED_IMF_TILED_RGBA_FILE_H
37
#define INCLUDED_IMF_TILED_RGBA_FILE_H
39
//-----------------------------------------------------------------------------
41
// Simplified RGBA image I/O for tiled files
43
// class TiledRgbaOutputFile
44
// class TiledRgbaInputFile
46
//-----------------------------------------------------------------------------
48
#include <ImfHeader.h>
49
#include <ImfFrameBuffer.h>
53
#include <ImfTileDescription.h>
55
#include <ImfThreading.h>
59
class TiledOutputFile;
65
// Tiled RGBA output file.
68
class TiledRgbaOutputFile
72
//---------------------------------------------------
73
// Constructor -- rgbaChannels, tileXSize, tileYSize,
74
// levelMode, and levelRoundingMode overwrite the
75
// channel list and tile description attribute in the
76
// header that is passed as an argument to the
78
//---------------------------------------------------
80
TiledRgbaOutputFile (const char name[],
82
RgbaChannels rgbaChannels,
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LevelRoundingMode rmode = ROUND_DOWN,
87
int numThreads = globalThreadCount ());
90
//---------------------------------------------------
91
// Constructor -- like the previous one, but the new
92
// TiledRgbaOutputFile is attached to a file that has
93
// already been opened by the caller. Destroying
94
// TiledRgbaOutputFileObjects constructed with this
95
// constructor does not automatically close the
96
// corresponding files.
97
//---------------------------------------------------
99
TiledRgbaOutputFile (OStream &os,
100
const Header &header,
101
RgbaChannels rgbaChannels,
105
LevelRoundingMode rmode = ROUND_DOWN,
106
int numThreads = globalThreadCount ());
109
//------------------------------------------------------
110
// Constructor -- header data are explicitly specified
111
// as function call arguments (an empty dataWindow means
112
// "same as displayWindow")
113
//------------------------------------------------------
115
TiledRgbaOutputFile (const char name[],
119
LevelRoundingMode rmode,
120
const Imath::Box2i &displayWindow,
121
const Imath::Box2i &dataWindow = Imath::Box2i(),
122
RgbaChannels rgbaChannels = WRITE_RGBA,
123
float pixelAspectRatio = 1,
124
const Imath::V2f screenWindowCenter =
126
float screenWindowWidth = 1,
127
LineOrder lineOrder = INCREASING_Y,
128
Compression compression = ZIP_COMPRESSION,
129
int numThreads = globalThreadCount ());
132
//-----------------------------------------------
133
// Constructor -- like the previous one, but both
134
// the display window and the data window are
135
// Box2i (V2i (0, 0), V2i (width - 1, height -1))
136
//-----------------------------------------------
138
TiledRgbaOutputFile (const char name[],
144
LevelRoundingMode rmode = ROUND_DOWN,
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RgbaChannels rgbaChannels = WRITE_RGBA,
146
float pixelAspectRatio = 1,
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const Imath::V2f screenWindowCenter =
149
float screenWindowWidth = 1,
150
LineOrder lineOrder = INCREASING_Y,
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Compression compression = ZIP_COMPRESSION,
152
int numThreads = globalThreadCount ());
155
virtual ~TiledRgbaOutputFile ();
158
//------------------------------------------------
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// Define a frame buffer as the pixel data source:
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// Pixel (x, y) is at address
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// base + x * xStride + y * yStride
164
//------------------------------------------------
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void setFrameBuffer (const Rgba *base,
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//--------------------------
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// Access to the file header
172
//--------------------------
174
const Header & header () const;
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const FrameBuffer & frameBuffer () const;
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const Imath::Box2i & displayWindow () const;
177
const Imath::Box2i & dataWindow () const;
178
float pixelAspectRatio () const;
179
const Imath::V2f screenWindowCenter () const;
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float screenWindowWidth () const;
181
LineOrder lineOrder () const;
182
Compression compression () const;
183
RgbaChannels channels () const;
186
//----------------------------------------------------
187
// Utility functions (same as in Imf::TiledOutputFile)
188
//----------------------------------------------------
190
unsigned int tileXSize () const;
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unsigned int tileYSize () const;
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LevelMode levelMode () const;
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LevelRoundingMode levelRoundingMode () const;
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int numLevels () const;
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int numXLevels () const;
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int numYLevels () const;
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bool isValidLevel (int lx, int ly) const;
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int levelWidth (int lx) const;
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int levelHeight (int ly) const;
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int numXTiles (int lx = 0) const;
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int numYTiles (int ly = 0) const;
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Imath::Box2i dataWindowForLevel (int l = 0) const;
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Imath::Box2i dataWindowForLevel (int lx, int ly) const;
209
Imath::Box2i dataWindowForTile (int dx, int dy,
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Imath::Box2i dataWindowForTile (int dx, int dy,
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int lx, int ly) const;
215
//------------------------------------------------------------------
218
// writeTile(dx, dy, lx, ly) writes the tile with tile
219
// coordinates (dx, dy), and level number (lx, ly) to
222
// dx must lie in the interval [0, numXTiles(lx)-1]
223
// dy must lie in the interval [0, numYTiles(ly)-1]
225
// lx must lie in the interval [0, numXLevels()-1]
226
// ly must lie in the inverval [0, numYLevels()-1]
228
// writeTile(dx, dy, level) is a convenience function
229
// used for ONE_LEVEL and MIPMAP_LEVEL files. It calls
230
// writeTile(dx, dy, level, level).
232
// The two writeTiles(dx1, dx2, dy1, dy2, ...) functions allow
233
// writing multiple tiles at once. If multi-threading is used
234
// multiple tiles are written concurrently.
236
// Pixels that are outside the pixel coordinate range for the tile's
237
// level, are never accessed by writeTile().
239
// Each tile in the file must be written exactly once.
241
//------------------------------------------------------------------
243
void writeTile (int dx, int dy, int l = 0);
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void writeTile (int dx, int dy, int lx, int ly);
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void writeTiles (int dxMin, int dxMax, int dyMin, int dyMax,
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void writeTiles (int dxMin, int dxMax, int dyMin, int dyMax,
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// -------------------------------------------------------------------------
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// Update the preview image (see Imf::TiledOutputFile::updatePreviewImage())
255
// -------------------------------------------------------------------------
257
void updatePreviewImage (const PreviewRgba[]);
260
//------------------------------------------------
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// Break a tile -- for testing and debugging only
262
// (see Imf::TiledOutputFile::breakTile())
264
// Warning: Calling this function usually results
265
// in a broken image file. The file or parts of
266
// it may not be readable, or the file may contain
269
//------------------------------------------------
271
void breakTile (int dx, int dy,
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// Copy constructor and assignment are not implemented
282
TiledRgbaOutputFile (const TiledRgbaOutputFile &);
283
TiledRgbaOutputFile & operator = (const TiledRgbaOutputFile &);
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TiledOutputFile * _outputFile;
294
// Tiled RGBA input file
297
class TiledRgbaInputFile
301
//--------------------------------------------------------
302
// Constructor -- opens the file with the specified name.
303
// Destroying TiledRgbaInputFile objects constructed with
304
// this constructor automatically closes the corresponding
306
//--------------------------------------------------------
308
TiledRgbaInputFile (const char name[],
309
int numThreads = globalThreadCount ());
312
//-------------------------------------------------------
313
// Constructor -- attaches the new TiledRgbaInputFile
314
// object to a file that has already been opened by the
316
// Destroying TiledRgbaInputFile objects constructed with
317
// this constructor does not automatically close the
318
// corresponding files.
319
//-------------------------------------------------------
321
TiledRgbaInputFile (IStream &is, int numThreads = globalThreadCount ());
328
virtual ~TiledRgbaInputFile ();
331
//-----------------------------------------------------
332
// Define a frame buffer as the pixel data destination:
333
// Pixel (x, y) is at address
335
// base + x * xStride + y * yStride
337
//-----------------------------------------------------
339
void setFrameBuffer (Rgba *base,
343
//--------------------------
344
// Access to the file header
345
//--------------------------
347
const Header & header () const;
348
const FrameBuffer & frameBuffer () const;
349
const Imath::Box2i & displayWindow () const;
350
const Imath::Box2i & dataWindow () const;
351
float pixelAspectRatio () const;
352
const Imath::V2f screenWindowCenter () const;
353
float screenWindowWidth () const;
354
LineOrder lineOrder () const;
355
Compression compression () const;
356
RgbaChannels channels () const;
357
const char * fileName () const;
358
bool isComplete () const;
360
//----------------------------------
361
// Access to the file format version
362
//----------------------------------
364
int version () const;
367
//---------------------------------------------------
368
// Utility functions (same as in Imf::TiledInputFile)
369
//---------------------------------------------------
371
unsigned int tileXSize () const;
372
unsigned int tileYSize () const;
373
LevelMode levelMode () const;
374
LevelRoundingMode levelRoundingMode () const;
376
int numLevels () const;
377
int numXLevels () const;
378
int numYLevels () const;
379
bool isValidLevel (int lx, int ly) const;
381
int levelWidth (int lx) const;
382
int levelHeight (int ly) const;
384
int numXTiles (int lx = 0) const;
385
int numYTiles (int ly = 0) const;
387
Imath::Box2i dataWindowForLevel (int l = 0) const;
388
Imath::Box2i dataWindowForLevel (int lx, int ly) const;
390
Imath::Box2i dataWindowForTile (int dx, int dy,
393
Imath::Box2i dataWindowForTile (int dx, int dy,
394
int lx, int ly) const;
397
//----------------------------------------------------------------
400
// readTile(dx, dy, lx, ly) reads the tile with tile
401
// coordinates (dx, dy), and level number (lx, ly),
402
// and stores it in the current frame buffer.
404
// dx must lie in the interval [0, numXTiles(lx)-1]
405
// dy must lie in the interval [0, numYTiles(ly)-1]
407
// lx must lie in the interval [0, numXLevels()-1]
408
// ly must lie in the inverval [0, numYLevels()-1]
410
// readTile(dx, dy, level) is a convenience function used
411
// for ONE_LEVEL and MIPMAP_LEVELS files. It calls
412
// readTile(dx, dy, level, level).
414
// The two readTiles(dx1, dx2, dy1, dy2, ...) functions allow
415
// reading multiple tiles at once. If multi-threading is used
416
// multiple tiles are read concurrently.
418
// Pixels that are outside the pixel coordinate range for the
419
// tile's level, are never accessed by readTile().
421
// Attempting to access a tile that is not present in the file
422
// throws an InputExc exception.
424
//----------------------------------------------------------------
426
void readTile (int dx, int dy, int l = 0);
427
void readTile (int dx, int dy, int lx, int ly);
429
void readTiles (int dxMin, int dxMax,
430
int dyMin, int dyMax, int lx, int ly);
432
void readTiles (int dxMin, int dxMax,
433
int dyMin, int dyMax, int l = 0);
438
// Copy constructor and assignment are not implemented
441
TiledRgbaInputFile (const TiledRgbaInputFile &);
442
TiledRgbaInputFile & operator = (const TiledRgbaInputFile &);
446
TiledInputFile * _inputFile;
1
///////////////////////////////////////////////////////////////////////////
3
// Copyright (c) 2004, Industrial Light & Magic, a division of Lucas
6
// All rights reserved.
8
// Redistribution and use in source and binary forms, with or without
9
// modification, are permitted provided that the following conditions are
11
// * Redistributions of source code must retain the above copyright
12
// notice, this list of conditions and the following disclaimer.
13
// * Redistributions in binary form must reproduce the above
14
// copyright notice, this list of conditions and the following disclaimer
15
// in the documentation and/or other materials provided with the
17
// * Neither the name of Industrial Light & Magic nor the names of
18
// its contributors may be used to endorse or promote products derived
19
// from this software without specific prior written permission.
21
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33
///////////////////////////////////////////////////////////////////////////
36
#ifndef INCLUDED_IMF_TILED_RGBA_FILE_H
37
#define INCLUDED_IMF_TILED_RGBA_FILE_H
39
//-----------------------------------------------------------------------------
41
// Simplified RGBA image I/O for tiled files
43
// class TiledRgbaOutputFile
44
// class TiledRgbaInputFile
46
//-----------------------------------------------------------------------------
48
#include <ImfHeader.h>
49
#include <ImfFrameBuffer.h>
53
#include <ImfTileDescription.h>
55
#include <ImfThreading.h>
59
class TiledOutputFile;
65
// Tiled RGBA output file.
68
class TiledRgbaOutputFile
72
//---------------------------------------------------
73
// Constructor -- rgbaChannels, tileXSize, tileYSize,
74
// levelMode, and levelRoundingMode overwrite the
75
// channel list and tile description attribute in the
76
// header that is passed as an argument to the
78
//---------------------------------------------------
80
TiledRgbaOutputFile (const char name[],
82
RgbaChannels rgbaChannels,
86
LevelRoundingMode rmode = ROUND_DOWN,
87
int numThreads = globalThreadCount ());
90
//---------------------------------------------------
91
// Constructor -- like the previous one, but the new
92
// TiledRgbaOutputFile is attached to a file that has
93
// already been opened by the caller. Destroying
94
// TiledRgbaOutputFileObjects constructed with this
95
// constructor does not automatically close the
96
// corresponding files.
97
//---------------------------------------------------
99
TiledRgbaOutputFile (OStream &os,
100
const Header &header,
101
RgbaChannels rgbaChannels,
105
LevelRoundingMode rmode = ROUND_DOWN,
106
int numThreads = globalThreadCount ());
109
//------------------------------------------------------
110
// Constructor -- header data are explicitly specified
111
// as function call arguments (an empty dataWindow means
112
// "same as displayWindow")
113
//------------------------------------------------------
115
TiledRgbaOutputFile (const char name[],
119
LevelRoundingMode rmode,
120
const Imath::Box2i &displayWindow,
121
const Imath::Box2i &dataWindow = Imath::Box2i(),
122
RgbaChannels rgbaChannels = WRITE_RGBA,
123
float pixelAspectRatio = 1,
124
const Imath::V2f screenWindowCenter =
126
float screenWindowWidth = 1,
127
LineOrder lineOrder = INCREASING_Y,
128
Compression compression = ZIP_COMPRESSION,
129
int numThreads = globalThreadCount ());
132
//-----------------------------------------------
133
// Constructor -- like the previous one, but both
134
// the display window and the data window are
135
// Box2i (V2i (0, 0), V2i (width - 1, height -1))
136
//-----------------------------------------------
138
TiledRgbaOutputFile (const char name[],
144
LevelRoundingMode rmode = ROUND_DOWN,
145
RgbaChannels rgbaChannels = WRITE_RGBA,
146
float pixelAspectRatio = 1,
147
const Imath::V2f screenWindowCenter =
149
float screenWindowWidth = 1,
150
LineOrder lineOrder = INCREASING_Y,
151
Compression compression = ZIP_COMPRESSION,
152
int numThreads = globalThreadCount ());
155
virtual ~TiledRgbaOutputFile ();
158
//------------------------------------------------
159
// Define a frame buffer as the pixel data source:
160
// Pixel (x, y) is at address
162
// base + x * xStride + y * yStride
164
//------------------------------------------------
166
void setFrameBuffer (const Rgba *base,
170
//--------------------------
171
// Access to the file header
172
//--------------------------
174
const Header & header () const;
175
const FrameBuffer & frameBuffer () const;
176
const Imath::Box2i & displayWindow () const;
177
const Imath::Box2i & dataWindow () const;
178
float pixelAspectRatio () const;
179
const Imath::V2f screenWindowCenter () const;
180
float screenWindowWidth () const;
181
LineOrder lineOrder () const;
182
Compression compression () const;
183
RgbaChannels channels () const;
186
//----------------------------------------------------
187
// Utility functions (same as in Imf::TiledOutputFile)
188
//----------------------------------------------------
190
unsigned int tileXSize () const;
191
unsigned int tileYSize () const;
192
LevelMode levelMode () const;
193
LevelRoundingMode levelRoundingMode () const;
195
int numLevels () const;
196
int numXLevels () const;
197
int numYLevels () const;
198
bool isValidLevel (int lx, int ly) const;
200
int levelWidth (int lx) const;
201
int levelHeight (int ly) const;
203
int numXTiles (int lx = 0) const;
204
int numYTiles (int ly = 0) const;
206
Imath::Box2i dataWindowForLevel (int l = 0) const;
207
Imath::Box2i dataWindowForLevel (int lx, int ly) const;
209
Imath::Box2i dataWindowForTile (int dx, int dy,
212
Imath::Box2i dataWindowForTile (int dx, int dy,
213
int lx, int ly) const;
215
//------------------------------------------------------------------
218
// writeTile(dx, dy, lx, ly) writes the tile with tile
219
// coordinates (dx, dy), and level number (lx, ly) to
222
// dx must lie in the interval [0, numXTiles(lx)-1]
223
// dy must lie in the interval [0, numYTiles(ly)-1]
225
// lx must lie in the interval [0, numXLevels()-1]
226
// ly must lie in the inverval [0, numYLevels()-1]
228
// writeTile(dx, dy, level) is a convenience function
229
// used for ONE_LEVEL and MIPMAP_LEVEL files. It calls
230
// writeTile(dx, dy, level, level).
232
// The two writeTiles(dx1, dx2, dy1, dy2, ...) functions allow
233
// writing multiple tiles at once. If multi-threading is used
234
// multiple tiles are written concurrently.
236
// Pixels that are outside the pixel coordinate range for the tile's
237
// level, are never accessed by writeTile().
239
// Each tile in the file must be written exactly once.
241
//------------------------------------------------------------------
243
void writeTile (int dx, int dy, int l = 0);
244
void writeTile (int dx, int dy, int lx, int ly);
246
void writeTiles (int dxMin, int dxMax, int dyMin, int dyMax,
249
void writeTiles (int dxMin, int dxMax, int dyMin, int dyMax,
253
// -------------------------------------------------------------------------
254
// Update the preview image (see Imf::TiledOutputFile::updatePreviewImage())
255
// -------------------------------------------------------------------------
257
void updatePreviewImage (const PreviewRgba[]);
260
//------------------------------------------------
261
// Break a tile -- for testing and debugging only
262
// (see Imf::TiledOutputFile::breakTile())
264
// Warning: Calling this function usually results
265
// in a broken image file. The file or parts of
266
// it may not be readable, or the file may contain
269
//------------------------------------------------
271
void breakTile (int dx, int dy,
279
// Copy constructor and assignment are not implemented
282
TiledRgbaOutputFile (const TiledRgbaOutputFile &);
283
TiledRgbaOutputFile & operator = (const TiledRgbaOutputFile &);
287
TiledOutputFile * _outputFile;
294
// Tiled RGBA input file
297
class TiledRgbaInputFile
301
//--------------------------------------------------------
302
// Constructor -- opens the file with the specified name.
303
// Destroying TiledRgbaInputFile objects constructed with
304
// this constructor automatically closes the corresponding
306
//--------------------------------------------------------
308
TiledRgbaInputFile (const char name[],
309
int numThreads = globalThreadCount ());
312
//-------------------------------------------------------
313
// Constructor -- attaches the new TiledRgbaInputFile
314
// object to a file that has already been opened by the
316
// Destroying TiledRgbaInputFile objects constructed with
317
// this constructor does not automatically close the
318
// corresponding files.
319
//-------------------------------------------------------
321
TiledRgbaInputFile (IStream &is, int numThreads = globalThreadCount ());
328
virtual ~TiledRgbaInputFile ();
331
//-----------------------------------------------------
332
// Define a frame buffer as the pixel data destination:
333
// Pixel (x, y) is at address
335
// base + x * xStride + y * yStride
337
//-----------------------------------------------------
339
void setFrameBuffer (Rgba *base,
343
//--------------------------
344
// Access to the file header
345
//--------------------------
347
const Header & header () const;
348
const FrameBuffer & frameBuffer () const;
349
const Imath::Box2i & displayWindow () const;
350
const Imath::Box2i & dataWindow () const;
351
float pixelAspectRatio () const;
352
const Imath::V2f screenWindowCenter () const;
353
float screenWindowWidth () const;
354
LineOrder lineOrder () const;
355
Compression compression () const;
356
RgbaChannels channels () const;
357
const char * fileName () const;
358
bool isComplete () const;
360
//----------------------------------
361
// Access to the file format version
362
//----------------------------------
364
int version () const;
367
//---------------------------------------------------
368
// Utility functions (same as in Imf::TiledInputFile)
369
//---------------------------------------------------
371
unsigned int tileXSize () const;
372
unsigned int tileYSize () const;
373
LevelMode levelMode () const;
374
LevelRoundingMode levelRoundingMode () const;
376
int numLevels () const;
377
int numXLevels () const;
378
int numYLevels () const;
379
bool isValidLevel (int lx, int ly) const;
381
int levelWidth (int lx) const;
382
int levelHeight (int ly) const;
384
int numXTiles (int lx = 0) const;
385
int numYTiles (int ly = 0) const;
387
Imath::Box2i dataWindowForLevel (int l = 0) const;
388
Imath::Box2i dataWindowForLevel (int lx, int ly) const;
390
Imath::Box2i dataWindowForTile (int dx, int dy,
393
Imath::Box2i dataWindowForTile (int dx, int dy,
394
int lx, int ly) const;
397
//----------------------------------------------------------------
400
// readTile(dx, dy, lx, ly) reads the tile with tile
401
// coordinates (dx, dy), and level number (lx, ly),
402
// and stores it in the current frame buffer.
404
// dx must lie in the interval [0, numXTiles(lx)-1]
405
// dy must lie in the interval [0, numYTiles(ly)-1]
407
// lx must lie in the interval [0, numXLevels()-1]
408
// ly must lie in the inverval [0, numYLevels()-1]
410
// readTile(dx, dy, level) is a convenience function used
411
// for ONE_LEVEL and MIPMAP_LEVELS files. It calls
412
// readTile(dx, dy, level, level).
414
// The two readTiles(dx1, dx2, dy1, dy2, ...) functions allow
415
// reading multiple tiles at once. If multi-threading is used
416
// multiple tiles are read concurrently.
418
// Pixels that are outside the pixel coordinate range for the
419
// tile's level, are never accessed by readTile().
421
// Attempting to access a tile that is not present in the file
422
// throws an InputExc exception.
424
//----------------------------------------------------------------
426
void readTile (int dx, int dy, int l = 0);
427
void readTile (int dx, int dy, int lx, int ly);
429
void readTiles (int dxMin, int dxMax,
430
int dyMin, int dyMax, int lx, int ly);
432
void readTiles (int dxMin, int dxMax,
433
int dyMin, int dyMax, int l = 0);
438
// Copy constructor and assignment are not implemented
441
TiledRgbaInputFile (const TiledRgbaInputFile &);
442
TiledRgbaInputFile & operator = (const TiledRgbaInputFile &);
446
TiledInputFile * _inputFile;
added
removed
Source/OpenEXR/IlmImf/ImfTiledRgbaFile.h
