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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2006 Blender Foundation. All rights reserved. */
/** \file
* \ingroup imbuf
*/
#pragma once
/* API for reading and writing multilayer EXR files. */
/* XXX layer+pass name max 64? */
/* This api also supports max 8 channels per pass now. easy to fix! */
#define EXR_LAY_MAXNAME 64
#define EXR_PASS_MAXNAME 64
#define EXR_VIEW_MAXNAME 64
#define EXR_TOT_MAXNAME 64
#define EXR_PASS_MAXCHAN 24
#ifdef __cplusplus
extern "C" {
#endif
struct StampData;
void *IMB_exr_get_handle(void);
void *IMB_exr_get_handle_name(const char *name);
/**
* Adds flattened #ExrChannel's
* `xstride`, `ystride` and `rect` can be done in set_channel too, for tile writing.
* \param passname: Does not include view.
*/
void IMB_exr_add_channel(void *handle,
const char *layname,
const char *passname,
const char *view,
int xstride,
int ystride,
float *rect,
bool use_half_float);
/**
* Read from file.
*/
bool IMB_exr_begin_read(
void *handle, const char *filepath, int *width, int *height, bool parse_channels);
/**
* Used for output files (from #RenderResult) (single and multi-layer, single and multi-view).
*/
bool IMB_exr_begin_write(void *handle,
const char *filepath,
int width,
int height,
int compress,
const struct StampData *stamp);
/**
* Only used for writing temp. render results (not image files)
* (FSA and Save Buffers).
*/
void IMB_exrtile_begin_write(
void *handle, const char *filepath, int mipmap, int width, int height, int tilex, int tiley);
/**
* Still clumsy name handling, layers/channels can be ordered as list in list later.
*
* \param passname: Here is the raw channel name without the layer.
*/
void IMB_exr_set_channel(void *handle,
const char *layname,
const char *passname,
int xstride,
int ystride,
float *rect);
float *IMB_exr_channel_rect(void *handle,
const char *layname,
const char *passname,
const char *view);
void IMB_exr_read_channels(void *handle);
void IMB_exr_write_channels(void *handle);
/**
* Temporary function, used for FSA and Save Buffers.
* called once per `tile * view`.
*/
void IMB_exrtile_write_channels(
void *handle, int partx, int party, int level, const char *viewname, bool empty);
void IMB_exr_clear_channels(void *handle);
void IMB_exr_multilayer_convert(void *handle,
void *base,
void *(*addview)(void *base, const char *str),
void *(*addlayer)(void *base, const char *str),
void (*addpass)(void *base,
void *lay,
const char *str,
float *rect,
int totchan,
const char *chan_id,
const char *view));
void IMB_exr_close(void *handle);
void IMB_exr_add_view(void *handle, const char *name);
bool IMB_exr_has_multilayer(void *handle);
#ifdef __cplusplus
} /* extern "C" */
#endif
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