556 lines
12 KiB
C
556 lines
12 KiB
C
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/*
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Copyright (c) 2002, Industrial Light & Magic, a division of Lucas
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Digital Ltd. LLC
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the following disclaimer
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in the documentation and/or other materials provided with the
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distribution.
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* Neither the name of Industrial Light & Magic nor the names of
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its contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef INCLUDED_IMF_C_RGBA_FILE_H
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#define INCLUDED_IMF_C_RGBA_FILE_H
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#include "ImfExport.h"
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#include <stdlib.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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** Interpreting unsigned shorts as 16-bit floating point numbers
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*/
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typedef unsigned short ImfHalf;
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IMF_EXPORT
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void ImfFloatToHalf (float f,
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ImfHalf *h);
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IMF_EXPORT
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void ImfFloatToHalfArray (int n,
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const float f[/*n*/],
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ImfHalf h[/*n*/]);
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IMF_EXPORT
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float ImfHalfToFloat (ImfHalf h);
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IMF_EXPORT
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void ImfHalfToFloatArray (int n,
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const ImfHalf h[/*n*/],
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float f[/*n*/]);
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/*
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** RGBA pixel; memory layout must be the same as struct Imf::Rgba.
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*/
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struct ImfRgba
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{
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ImfHalf r;
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ImfHalf g;
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ImfHalf b;
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ImfHalf a;
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};
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typedef struct ImfRgba ImfRgba;
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/*
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** Magic number; this must be the same as Imf::MAGIC
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*/
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#define IMF_MAGIC 20000630
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/*
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** Version number; this must be the same as Imf::EXR_VERSION
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*/
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#define IMF_VERSION_NUMBER 2
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/*
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** Line order; values must the the same as in Imf::LineOrder.
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*/
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#define IMF_INCREASING_Y 0
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#define IMF_DECREASING_Y 1
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#define IMF_RANDOM_Y 2
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/*
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** Compression types; values must be the same as in Imf::Compression.
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*/
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#define IMF_NO_COMPRESSION 0
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#define IMF_RLE_COMPRESSION 1
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#define IMF_ZIPS_COMPRESSION 2
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#define IMF_ZIP_COMPRESSION 3
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#define IMF_PIZ_COMPRESSION 4
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#define IMF_PXR24_COMPRESSION 5
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#define IMF_B44_COMPRESSION 6
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#define IMF_B44A_COMPRESSION 7
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/*
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** Channels; values must be the same as in Imf::RgbaChannels.
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*/
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#define IMF_WRITE_R 0x01
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#define IMF_WRITE_G 0x02
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#define IMF_WRITE_B 0x04
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#define IMF_WRITE_A 0x08
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#define IMF_WRITE_Y 0x10
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#define IMF_WRITE_C 0x20
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#define IMF_WRITE_RGB 0x07
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#define IMF_WRITE_RGBA 0x0f
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#define IMF_WRITE_YC 0x30
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#define IMF_WRITE_YA 0x18
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#define IMF_WRITE_YCA 0x38
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/*
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** Level modes; values must be the same as in Imf::LevelMode
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*/
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#define IMF_ONE_LEVEL 0
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#define IMF_MIPMAP_LEVELS 1
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#define IMF_RIPMAP_LEVELS 2
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/*
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** Level rounding modes; values must be the same as in Imf::LevelRoundingMode
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*/
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#define IMF_ROUND_DOWN 0
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#define IMF_ROUND_UP 1
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/*
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** RGBA file header
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*/
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struct ImfHeader;
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typedef struct ImfHeader ImfHeader;
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IMF_EXPORT
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ImfHeader * ImfNewHeader (void);
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IMF_EXPORT
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void ImfDeleteHeader (ImfHeader *hdr);
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IMF_EXPORT
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ImfHeader * ImfCopyHeader (const ImfHeader *hdr);
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IMF_EXPORT
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void ImfHeaderSetDisplayWindow (ImfHeader *hdr,
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int xMin, int yMin,
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int xMax, int yMax);
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IMF_EXPORT
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void ImfHeaderDisplayWindow (const ImfHeader *hdr,
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int *xMin, int *yMin,
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int *xMax, int *yMax);
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IMF_EXPORT
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void ImfHeaderSetDataWindow (ImfHeader *hdr,
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int xMin, int yMin,
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int xMax, int yMax);
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IMF_EXPORT
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void ImfHeaderDataWindow (const ImfHeader *hdr,
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int *xMin, int *yMin,
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int *xMax, int *yMax);
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IMF_EXPORT
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void ImfHeaderSetPixelAspectRatio (ImfHeader *hdr,
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float pixelAspectRatio);
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IMF_EXPORT
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float ImfHeaderPixelAspectRatio (const ImfHeader *hdr);
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IMF_EXPORT
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void ImfHeaderSetScreenWindowCenter (ImfHeader *hdr,
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float x, float y);
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IMF_EXPORT
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void ImfHeaderScreenWindowCenter (const ImfHeader *hdr,
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float *x, float *y);
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IMF_EXPORT
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void ImfHeaderSetScreenWindowWidth (ImfHeader *hdr,
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float width);
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IMF_EXPORT
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float ImfHeaderScreenWindowWidth (const ImfHeader *hdr);
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IMF_EXPORT
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void ImfHeaderSetLineOrder (ImfHeader *hdr,
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int lineOrder);
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IMF_EXPORT
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int ImfHeaderLineOrder (const ImfHeader *hdr);
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IMF_EXPORT
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void ImfHeaderSetCompression (ImfHeader *hdr,
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int compression);
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IMF_EXPORT
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int ImfHeaderCompression (const ImfHeader *hdr);
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IMF_EXPORT
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int ImfHeaderSetIntAttribute (ImfHeader *hdr,
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const char name[],
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int value);
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IMF_EXPORT
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int ImfHeaderIntAttribute (const ImfHeader *hdr,
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const char name[],
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int *value);
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IMF_EXPORT
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int ImfHeaderSetFloatAttribute (ImfHeader *hdr,
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const char name[],
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float value);
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IMF_EXPORT
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int ImfHeaderSetDoubleAttribute (ImfHeader *hdr,
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const char name[],
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double value);
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IMF_EXPORT
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int ImfHeaderFloatAttribute (const ImfHeader *hdr,
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const char name[],
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float *value);
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IMF_EXPORT
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int ImfHeaderDoubleAttribute (const ImfHeader *hdr,
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const char name[],
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double *value);
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IMF_EXPORT
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int ImfHeaderSetStringAttribute (ImfHeader *hdr,
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const char name[],
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const char value[]);
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IMF_EXPORT
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int ImfHeaderStringAttribute (const ImfHeader *hdr,
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const char name[],
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const char **value);
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IMF_EXPORT
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int ImfHeaderSetBox2iAttribute (ImfHeader *hdr,
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const char name[],
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int xMin, int yMin,
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int xMax, int yMax);
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IMF_EXPORT
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int ImfHeaderBox2iAttribute (const ImfHeader *hdr,
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const char name[],
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int *xMin, int *yMin,
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int *xMax, int *yMax);
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IMF_EXPORT
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int ImfHeaderSetBox2fAttribute (ImfHeader *hdr,
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const char name[],
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float xMin, float yMin,
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float xMax, float yMax);
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IMF_EXPORT
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int ImfHeaderBox2fAttribute (const ImfHeader *hdr,
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const char name[],
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float *xMin, float *yMin,
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float *xMax, float *yMax);
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IMF_EXPORT
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int ImfHeaderSetV2iAttribute (ImfHeader *hdr,
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const char name[],
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int x, int y);
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IMF_EXPORT
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int ImfHeaderV2iAttribute (const ImfHeader *hdr,
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const char name[],
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int *x, int *y);
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IMF_EXPORT
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int ImfHeaderSetV2fAttribute (ImfHeader *hdr,
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const char name[],
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float x, float y);
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IMF_EXPORT
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int ImfHeaderV2fAttribute (const ImfHeader *hdr,
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const char name[],
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float *x, float *y);
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IMF_EXPORT
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int ImfHeaderSetV3iAttribute (ImfHeader *hdr,
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const char name[],
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int x, int y, int z);
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IMF_EXPORT
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int ImfHeaderV3iAttribute (const ImfHeader *hdr,
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const char name[],
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int *x, int *y, int *z);
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IMF_EXPORT
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int ImfHeaderSetV3fAttribute (ImfHeader *hdr,
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const char name[],
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float x, float y, float z);
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IMF_EXPORT
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int ImfHeaderV3fAttribute (const ImfHeader *hdr,
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const char name[],
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float *x, float *y, float *z);
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IMF_EXPORT
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int ImfHeaderSetM33fAttribute (ImfHeader *hdr,
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const char name[],
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const float m[3][3]);
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IMF_EXPORT
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int ImfHeaderM33fAttribute (const ImfHeader *hdr,
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const char name[],
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float m[3][3]);
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IMF_EXPORT
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int ImfHeaderSetM44fAttribute (ImfHeader *hdr,
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const char name[],
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const float m[4][4]);
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IMF_EXPORT
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int ImfHeaderM44fAttribute (const ImfHeader *hdr,
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const char name[],
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float m[4][4]);
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/*
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** RGBA output file
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*/
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struct ImfOutputFile;
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typedef struct ImfOutputFile ImfOutputFile;
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IMF_EXPORT
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ImfOutputFile * ImfOpenOutputFile (const char name[],
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const ImfHeader *hdr,
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int channels);
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IMF_EXPORT
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int ImfCloseOutputFile (ImfOutputFile *out);
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IMF_EXPORT
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int ImfOutputSetFrameBuffer (ImfOutputFile *out,
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const ImfRgba *base,
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size_t xStride,
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size_t yStride);
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IMF_EXPORT
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int ImfOutputWritePixels (ImfOutputFile *out,
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int numScanLines);
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IMF_EXPORT
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int ImfOutputCurrentScanLine (const ImfOutputFile *out);
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IMF_EXPORT
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const ImfHeader * ImfOutputHeader (const ImfOutputFile *out);
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IMF_EXPORT
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int ImfOutputChannels (const ImfOutputFile *out);
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/*
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** Tiled RGBA output file
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*/
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struct ImfTiledOutputFile;
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typedef struct ImfTiledOutputFile ImfTiledOutputFile;
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IMF_EXPORT
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ImfTiledOutputFile * ImfOpenTiledOutputFile (const char name[],
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const ImfHeader *hdr,
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int channels,
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int xSize, int ySize,
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int mode, int rmode);
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IMF_EXPORT
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int ImfCloseTiledOutputFile (ImfTiledOutputFile *out);
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IMF_EXPORT
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int ImfTiledOutputSetFrameBuffer (ImfTiledOutputFile *out,
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const ImfRgba *base,
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size_t xStride,
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size_t yStride);
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IMF_EXPORT
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int ImfTiledOutputWriteTile (ImfTiledOutputFile *out,
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int dx, int dy,
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int lx, int ly);
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IMF_EXPORT
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int ImfTiledOutputWriteTiles (ImfTiledOutputFile *out,
|
||
|
|
int dxMin, int dxMax,
|
||
|
|
int dyMin, int dyMax,
|
||
|
|
int lx, int ly);
|
||
|
|
|
||
|
|
IMF_EXPORT
|
||
|
|
const ImfHeader * ImfTiledOutputHeader (const ImfTiledOutputFile *out);
|
||
|
|
|
||
|
|
IMF_EXPORT
|
||
|
|
int ImfTiledOutputChannels (const ImfTiledOutputFile *out);
|
||
|
|
|
||
|
|
IMF_EXPORT
|
||
|
|
int ImfTiledOutputTileXSize (const ImfTiledOutputFile *out);
|
||
|
|
|
||
|
|
IMF_EXPORT
|
||
|
|
int ImfTiledOutputTileYSize (const ImfTiledOutputFile *out);
|
||
|
|
|
||
|
|
IMF_EXPORT
|
||
|
|
int ImfTiledOutputLevelMode (const ImfTiledOutputFile *out);
|
||
|
|
|
||
|
|
IMF_EXPORT
|
||
|
|
int ImfTiledOutputLevelRoundingMode
|
||
|
|
(const ImfTiledOutputFile *out);
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
** RGBA input file
|
||
|
|
*/
|
||
|
|
|
||
|
|
struct ImfInputFile;
|
||
|
|
typedef struct ImfInputFile ImfInputFile;
|
||
|
|
|
||
|
|
ImfInputFile * ImfOpenInputFile (const char name[]);
|
||
|
|
|
||
|
|
IMF_EXPORT
|
||
|
|
int ImfCloseInputFile (ImfInputFile *in);
|
||
|
|
|
||
|
|
IMF_EXPORT
|
||
|
|
int ImfInputSetFrameBuffer (ImfInputFile *in,
|
||
|
|
ImfRgba *base,
|
||
|
|
size_t xStride,
|
||
|
|
size_t yStride);
|
||
|
|
|
||
|
|
IMF_EXPORT
|
||
|
|
int ImfInputReadPixels (ImfInputFile *in,
|
||
|
|
int scanLine1,
|
||
|
|
int scanLine2);
|
||
|
|
|
||
|
|
IMF_EXPORT
|
||
|
|
const ImfHeader * ImfInputHeader (const ImfInputFile *in);
|
||
|
|
|
||
|
|
IMF_EXPORT
|
||
|
|
int ImfInputChannels (const ImfInputFile *in);
|
||
|
|
|
||
|
|
IMF_EXPORT
|
||
|
|
const char * ImfInputFileName (const ImfInputFile *in);
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
** Tiled RGBA input file
|
||
|
|
*/
|
||
|
|
|
||
|
|
struct ImfTiledInputFile;
|
||
|
|
typedef struct ImfTiledInputFile ImfTiledInputFile;
|
||
|
|
|
||
|
|
IMF_EXPORT
|
||
|
|
ImfTiledInputFile * ImfOpenTiledInputFile (const char name[]);
|
||
|
|
|
||
|
|
IMF_EXPORT
|
||
|
|
int ImfCloseTiledInputFile (ImfTiledInputFile *in);
|
||
|
|
|
||
|
|
IMF_EXPORT
|
||
|
|
int ImfTiledInputSetFrameBuffer (ImfTiledInputFile *in,
|
||
|
|
ImfRgba *base,
|
||
|
|
size_t xStride,
|
||
|
|
size_t yStride);
|
||
|
|
|
||
|
|
IMF_EXPORT
|
||
|
|
int ImfTiledInputReadTile (ImfTiledInputFile *in,
|
||
|
|
int dx, int dy,
|
||
|
|
int lx, int ly);
|
||
|
|
|
||
|
|
IMF_EXPORT
|
||
|
|
int ImfTiledInputReadTiles (ImfTiledInputFile *in,
|
||
|
|
int dxMin, int dxMax,
|
||
|
|
int dyMin, int dyMax,
|
||
|
|
int lx, int ly);
|
||
|
|
|
||
|
|
IMF_EXPORT
|
||
|
|
const ImfHeader * ImfTiledInputHeader (const ImfTiledInputFile *in);
|
||
|
|
|
||
|
|
IMF_EXPORT
|
||
|
|
int ImfTiledInputChannels (const ImfTiledInputFile *in);
|
||
|
|
|
||
|
|
IMF_EXPORT
|
||
|
|
const char * ImfTiledInputFileName (const ImfTiledInputFile *in);
|
||
|
|
|
||
|
|
IMF_EXPORT
|
||
|
|
int ImfTiledInputTileXSize (const ImfTiledInputFile *in);
|
||
|
|
|
||
|
|
IMF_EXPORT
|
||
|
|
int ImfTiledInputTileYSize (const ImfTiledInputFile *in);
|
||
|
|
|
||
|
|
IMF_EXPORT
|
||
|
|
int ImfTiledInputLevelMode (const ImfTiledInputFile *in);
|
||
|
|
|
||
|
|
IMF_EXPORT
|
||
|
|
int ImfTiledInputLevelRoundingMode
|
||
|
|
(const ImfTiledInputFile *in);
|
||
|
|
|
||
|
|
/*
|
||
|
|
** Lookup tables
|
||
|
|
*/
|
||
|
|
|
||
|
|
struct ImfLut;
|
||
|
|
typedef struct ImfLut ImfLut;
|
||
|
|
|
||
|
|
IMF_EXPORT
|
||
|
|
ImfLut * ImfNewRound12logLut (int channels);
|
||
|
|
|
||
|
|
IMF_EXPORT
|
||
|
|
ImfLut * ImfNewRoundNBitLut (unsigned int n, int channels);
|
||
|
|
|
||
|
|
IMF_EXPORT
|
||
|
|
void ImfDeleteLut (ImfLut *lut);
|
||
|
|
|
||
|
|
IMF_EXPORT
|
||
|
|
void ImfApplyLut (ImfLut *lut,
|
||
|
|
ImfRgba *data,
|
||
|
|
int nData,
|
||
|
|
int stride);
|
||
|
|
/*
|
||
|
|
** Most recent error message
|
||
|
|
*/
|
||
|
|
|
||
|
|
IMF_EXPORT
|
||
|
|
const char * ImfErrorMessage (void);
|
||
|
|
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
} /* extern "C" */
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|