1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
|
///////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2011, 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
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (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 IMFDEEPSCANLINEINPUTPART_H_
#define IMFDEEPSCANLINEINPUTPART_H_
#include "ImfMultiPartInputFile.h"
#include "ImfDeepScanLineInputFile.h"
#include "ImfDeepScanLineOutputFile.h"
#include "ImfNamespace.h"
#include "ImfExport.h"
OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_ENTER
class DeepScanLineInputPart
{
public:
IMF_EXPORT
DeepScanLineInputPart(MultiPartInputFile& file, int partNumber);
//------------------------
// Access to the file name
//------------------------
IMF_EXPORT
const char * fileName () const;
//--------------------------
// Access to the file header
//--------------------------
IMF_EXPORT
const Header & header () const;
//----------------------------------
// Access to the file format version
//----------------------------------
IMF_EXPORT
int version () const;
//-----------------------------------------------------------
// Set the current frame buffer -- copies the FrameBuffer
// object into the InputFile object.
//
// The current frame buffer is the destination for the pixel
// data read from the file. The current frame buffer must be
// set at least once before readPixels() is called.
// The current frame buffer can be changed after each call
// to readPixels().
//-----------------------------------------------------------
IMF_EXPORT
void setFrameBuffer (const DeepFrameBuffer &frameBuffer);
//-----------------------------------
// Access to the current frame buffer
//-----------------------------------
IMF_EXPORT
const DeepFrameBuffer & frameBuffer () const;
//---------------------------------------------------------------
// Check if the file is complete:
//
// isComplete() returns true if all pixels in the data window are
// present in the input file, or false if any pixels are missing.
// (Another program may still be busy writing the file, or file
// writing may have been aborted prematurely.)
//---------------------------------------------------------------
IMF_EXPORT
bool isComplete () const;
//---------------------------------------------------------------
// Read pixel data:
//
// readPixels(s1,s2) reads all scan lines with y coordinates
// in the interval [min (s1, s2), max (s1, s2)] from the file,
// and stores them in the current frame buffer.
//
// Both s1 and s2 must be within the interval
// [header().dataWindow().min.y, header.dataWindow().max.y]
//
// The scan lines can be read from the file in random order, and
// individual scan lines may be skipped or read multiple times.
// For maximum efficiency, the scan lines should be read in the
// order in which they were written to the file.
//
// readPixels(s) calls readPixels(s,s).
//
// If threading is enabled, readPixels (s1, s2) tries to perform
// decopmression of multiple scanlines in parallel.
//
//---------------------------------------------------------------
IMF_EXPORT
void readPixels (int scanLine1, int scanLine2);
IMF_EXPORT
void readPixels (int scanLine);
IMF_EXPORT
void readPixels (const char * rawPixelData,const DeepFrameBuffer & frameBuffer,
int scanLine1,int scanLine2) const;
//----------------------------------------------
// Read a block of raw pixel data from the file,
// without uncompressing it (this function is
// used to implement OutputFile::copyPixels()).
//----------------------------------------------
IMF_EXPORT
void rawPixelData (int firstScanLine,
char * pixelData,
Int64 &pixelDataSize);
//-----------------------------------------------------------
// Read pixel sample counts into a slice in the frame buffer.
//
// readPixelSampleCounts(s1, s2) reads all the counts of
// pixel samples with y coordinates in the interval
// [min (s1, s2), max (s1, s2)] from the file, and stores
// them in the slice naming "sample count".
//
// Both s1 and s2 must be within the interval
// [header().dataWindow().min.y, header.dataWindow().max.y]
//
// readPixelSampleCounts(s) calls readPixelSampleCounts(s,s).
//-----------------------------------------------------------
IMF_EXPORT
void readPixelSampleCounts(int scanline1,
int scanline2);
IMF_EXPORT
void readPixelSampleCounts(int scanline);
IMF_EXPORT
void readPixelSampleCounts( const char * rawdata , const DeepFrameBuffer & frameBuffer,
int scanLine1 , int scanLine2) const;
IMF_EXPORT
int firstScanLineInChunk(int y) const;
IMF_EXPORT
int lastScanLineInChunk (int y) const;
private:
DeepScanLineInputFile *file;
// needed for copyPixels
friend void DeepScanLineOutputFile::copyPixels(DeepScanLineInputPart &);
};
OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_EXIT
#endif /* IMFDEEPSCANLINEINPUTPART_H_ */
|
