#include "IMB_filetype.hh"
#include <algorithm>
#include <cctype>
#include <cerrno>
#include <cstddef>
#include <cstdio>
#include <cstdlib>
#include <fcntl.h>
#include <fstream>
#include <iostream>
#include <set>
#include <string>
#include <OpenEXR/OpenEXRConfig.h>
#include <OpenEXR/half.h>
#include <OpenEXR/Iex.h>
#include <OpenEXR/ImfArray.h>
#include <OpenEXR/ImfAttribute.h>
#include <OpenEXR/ImfChannelList.h>
#include <OpenEXR/ImfChromaticities.h>
#include <OpenEXR/ImfCompression.h>
#include <OpenEXR/ImfCompressionAttribute.h>
#include <OpenEXR/ImfIO.h>
#include <OpenEXR/ImfInputFile.h>
#include <OpenEXR/ImfIntAttribute.h>
#include <OpenEXR/ImfOutputFile.h>
#include <OpenEXR/ImfPixelType.h>
#include <OpenEXR/ImfPreviewImage.h>
#include <OpenEXR/ImfRgbaFile.h>
#include <OpenEXR/ImfStandardAttributes.h>
#include <OpenEXR/ImfStringAttribute.h>
#include <OpenEXR/ImfVersion.h>
#include <OpenEXR/ImfInputPart.h>
#include <OpenEXR/ImfMultiPartInputFile.h>
#include <OpenEXR/ImfMultiPartOutputFile.h>
#include <OpenEXR/ImfMultiView.h>
#include <OpenEXR/ImfOutputPart.h>
#include <OpenEXR/ImfPartHelper.h>
#include <OpenEXR/ImfPartType.h>
#include <OpenEXR/ImfTiledOutputPart.h>
#include "DNA_scene_types.h"
#include <openexr_api.h>
#include <unistd.h>
#include "MEM_guardedalloc.h"
#include "BLI_fileops.h"
#include "BLI_listbase.h"
#include "BLI_math_base.hh"
#include "BLI_math_color.h"
#include "BLI_mmap.h"
#include "BLI_string.h"
#include "BLI_string_ref.hh"
#include "BLI_string_utf8.h"
#include "BLI_threads.h"
#include "BKE_blender_version.h"
#include "BKE_idprop.hh"
#include "BKE_image.hh"
#include "CLG_log.h"
#include "IMB_allocimbuf.hh"
#include "IMB_colormanagement.hh"
#include "IMB_imbuf.hh"
#include "IMB_imbuf_types.hh"
#include "IMB_metadata.hh"
#include "IMB_openexr.hh"

Classes
class	IMemStream
class	IMMapStream
class	IFileStream
class	OMemStream
class	OFileStream
struct	_RGBAZ
struct	ExrChannel
struct	ExrPass
struct	ExrLayer
struct	ExrHandle

Macros
#define	COMBINED_OPENEXR_VERSION ((10000 * OPENEXR_VERSION_MAJOR) + (100 * OPENEXR_VERSION_MINOR) + OPENEXR_VERSION_PATCH)
#define	exr_file_offset_t Int64

Typedefs
using	RGBAZ = _RGBAZ

Functions
static bool	exr_has_multiview (MultiPartInputFile &file)
static bool	exr_has_multipart_file (MultiPartInputFile &file)
static bool	exr_has_alpha (MultiPartInputFile &file)
static const ColorSpace *	imb_exr_part_colorspace (const Header &header)
static half	float_to_half_safe (const float value)
bool	imb_is_a_openexr (const uchar *mem, const size_t size)
static int	openexr_jpg_like_quality_to_dwa_quality (int q)
static void	openexr_header_compression (Header *header, int compression, int quality)
static int	openexr_header_get_compression (const Header &header)
static void	openexr_header_metadata_global (Header header, IDProperty metadata, const double ppm[2])
static void	openexr_header_metadata_colorspace (Header header, const ColorSpace colorspace)
static void	openexr_header_metadata_colorspace (Header header, ImBuf ibuf)
static void	openexr_header_metadata_callback (void data, const char propname, char *prop, int)
static bool	imb_save_openexr_half (ImBuf ibuf, const char filepath, const int flags)
static bool	imb_save_openexr_float (ImBuf ibuf, const char filepath, const int flags)
bool	imb_save_openexr (ImBuf ibuf, const char filepath, int flags)
static bool	imb_exr_multilayer_parse_channels_from_file (ExrHandle *handle)
static blender::Vector< ExrChannel >	exr_channels_in_multi_part_file (const MultiPartInputFile &file, const bool parse_layers)
ExrHandle *	IMB_exr_get_handle (const bool write_multipart)
void	IMB_exr_add_view (ExrHandle handle, const char name)
static int	imb_exr_get_multiView_id (StringVector &views, const std::string &name)
static StringVector	imb_exr_get_views (MultiPartInputFile &file)
void	IMB_exr_add_channels (ExrHandle handle, blender::StringRefNull layerpassname, blender::StringRefNull channelnames, blender::StringRefNull viewname, blender::StringRefNull colorspace, size_t xstride, size_t ystride, float rect, bool use_half_float)
static void	openexr_header_metadata_multi (ExrHandle handle, Header &header, const double ppm[2], const StampData stamp)
bool	IMB_exr_begin_write (ExrHandle handle, const char filepath, int width, int height, const double ppm[2], int compress, int quality, const StampData *stamp)
bool	IMB_exr_begin_read (ExrHandle handle, const char filepath, int width, int height, const bool parse_channels)
bool	IMB_exr_set_channel (ExrHandle handle, blender::StringRefNull full_name, int xstride, int ystride, float rect)
void	IMB_exr_write_channels (ExrHandle *handle)
void	IMB_exr_read_channels (ExrHandle *handle)
void	IMB_exr_multilayer_convert (ExrHandle 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 (ExrHandle *handle)
static int	imb_exr_split_token (const char str, const char end, const char **token)
static void	imb_exr_pass_name_from_channel (char passname, const ExrChannel &echan, const char channelname, const bool has_xyz_channels)
static void	imb_exr_pass_name_from_channel_name (char passname, const ExrChannel &, const char channelname, const bool)
static int	imb_exr_split_channel_name (ExrChannel &echan, char layname, char passname, bool has_xyz_channels)
static ExrLayer *	imb_exr_get_layer (ExrHandle handle, const char layname)
static ExrPass *	imb_exr_get_pass (ExrLayer &lay, const char *passname)
static bool	exr_has_xyz_channels (ExrHandle *exr_handle)
static ExrHandle *	imb_exr_begin_read_mem (IStream &file_stream, MultiPartInputFile &file, int width, int height)
static void	exr_print_filecontents (MultiPartInputFile &file)
static const char *	exr_rgba_channelname (MultiPartInputFile &file, const char *chan)
static int	exr_has_rgb (MultiPartInputFile &file, const char *rgb_channels[3])
static bool	exr_has_luma (MultiPartInputFile &file)
static bool	exr_has_chroma (MultiPartInputFile &file)
static bool	exr_has_xyz (MultiPartInputFile &file)
static bool	exr_is_half_float (MultiPartInputFile &file)
static bool	imb_exr_is_multilayer_file (MultiPartInputFile &file)
static bool	imb_exr_is_multi (MultiPartInputFile &file)
bool	IMB_exr_has_multilayer (ExrHandle *handle)
static bool	imb_check_chromaticity_val (float test_v, float ref_v)
static bool	imb_check_chromaticity_matches (const Imf::Chromaticities &a, const Imf::Chromaticities &b)
static void	imb_exr_set_known_colorspace (const Header &header, ImFileColorSpace &r_colorspace)
static bool	exr_get_ppm (MultiPartInputFile &file, double ppm[2])
bool	IMB_exr_get_ppm (ExrHandle *handle, double ppm[2])
ImBuf *	imb_load_openexr (const uchar *mem, size_t size, int flags, ImFileColorSpace &r_colorspace)
ImBuf *	imb_load_filepath_thumbnail_openexr (const char filepath, const int, const size_t max_thumb_size, ImFileColorSpace &r_colorspace, size_t r_width, size_t *r_height)
void	imb_initopenexr ()
void	imb_exitopenexr ()

Variables
static CLG_LogRef	LOG = {"image.openexr"}
static Imf::Chromaticities	CHROMATICITIES_XYZ_E
static Imf::Chromaticities	CHROMATICITIES_ACES_2065_1

Macro Definition Documentation

◆ COMBINED_OPENEXR_VERSION

#define COMBINED_OPENEXR_VERSION ((10000 * OPENEXR_VERSION_MAJOR) + (100 * OPENEXR_VERSION_MINOR) + OPENEXR_VERSION_PATCH)

Definition at line 27 of file openexr_api.cpp.

◆ exr_file_offset_t

#define exr_file_offset_t Int64

Definition at line 38 of file openexr_api.cpp.

Referenced by IFileStream::seekg(), IMemStream::seekg(), IMMapStream::seekg(), OFileStream::seekp(), OMemStream::seekp(), IFileStream::tellg(), IMemStream::tellg(), IMMapStream::tellg(), OFileStream::tellp(), and OMemStream::tellp().

Typedef Documentation

◆ RGBAZ

using RGBAZ = _RGBAZ

Definition at line 397 of file openexr_api.cpp.

Function Documentation

◆ exr_channels_in_multi_part_file()

blender::Vector< ExrChannel > exr_channels_in_multi_part_file	(	const MultiPartInputFile &	file,
		const bool	parse_layers )

static

Definition at line 1583 of file openexr_api.cpp.

References blender::Vector< T, InlineBufferCapacity, Allocator >::append(), ExrChannel::colorspace, blender::StringRef::drop_known_suffix(), blender::StringRefBase::endswith(), i, imb_exr_part_colorspace(), ExrChannel::internal_name, blender::StringRefBase::is_empty(), ExrChannel::name, ExrChannel::part_number, blender::StringRefBase::startswith(), and ExrChannel::view.

Referenced by IMB_exr_begin_read(), and imb_exr_multilayer_parse_channels_from_file().

◆ exr_get_ppm()

bool exr_get_ppm	(	MultiPartInputFile &	file,
		double	ppm[2] )

static

Definition at line 2035 of file openexr_api.cpp.

Referenced by IMB_exr_get_ppm(), and imb_load_openexr().

◆ exr_has_alpha()

bool exr_has_alpha ( MultiPartInputFile & file )

static

Definition at line 1881 of file openexr_api.cpp.

Referenced by imb_load_openexr().

◆ exr_has_chroma()

bool exr_has_chroma ( MultiPartInputFile & file )

static

Definition at line 1874 of file openexr_api.cpp.

Referenced by imb_load_openexr().

◆ exr_has_luma()

bool exr_has_luma ( MultiPartInputFile & file )

static

Definition at line 1865 of file openexr_api.cpp.

Referenced by imb_load_openexr().

◆ exr_has_multipart_file()

bool exr_has_multipart_file ( MultiPartInputFile & file )

static

Definition at line 1933 of file openexr_api.cpp.

Referenced by imb_exr_is_multi().

◆ exr_has_multiview()

bool exr_has_multiview ( MultiPartInputFile & file )

static

Definition at line 1922 of file openexr_api.cpp.

Referenced by imb_exr_is_multi().

◆ exr_has_rgb()

int exr_has_rgb	(	MultiPartInputFile &	file,
		const char *	rgb_channels[3] )

static

Definition at line 1834 of file openexr_api.cpp.

References i.

Referenced by imb_load_openexr().

◆ exr_has_xyz()

bool exr_has_xyz ( MultiPartInputFile & file )

static

Definition at line 1887 of file openexr_api.cpp.

Referenced by imb_load_openexr().

◆ exr_has_xyz_channels()

bool exr_has_xyz_channels ( ExrHandle * exr_handle )

static

Definition at line 1561 of file openexr_api.cpp.

References ExrHandle::channels, ELEM, and ExrChannel::name.

Referenced by imb_exr_multilayer_parse_channels_from_file().

◆ exr_is_half_float()

bool exr_is_half_float ( MultiPartInputFile & file )

static

Definition at line 1898 of file openexr_api.cpp.

References HALF, and i.

Referenced by imb_load_openexr().

◆ exr_print_filecontents()

void exr_print_filecontents ( MultiPartInputFile & file )

static

Definition at line 1787 of file openexr_api.cpp.

References CLOG_DEBUG, i, LOG, and view.

Referenced by imb_load_openexr().

◆ exr_rgba_channelname()

const char * exr_rgba_channelname	(	MultiPartInputFile &	file,
		const char *	chan )

static

Definition at line 1817 of file openexr_api.cpp.

References BLI_strcasecmp(), ExrHandle::channels, i, len, and str.

Referenced by imb_load_openexr().

◆ float_to_half_safe()

half float_to_half_safe ( const float value )

static

Definition at line 399 of file openexr_api.cpp.

References clamp_f().

Referenced by IMB_exr_write_channels(), and imb_save_openexr_half().

◆ imb_check_chromaticity_matches()

bool imb_check_chromaticity_matches	(	const Imf::Chromaticities &	a,
		const Imf::Chromaticities &	b )

static

Definition at line 1970 of file openexr_api.cpp.

References b, and imb_check_chromaticity_val().

Referenced by imb_exr_set_known_colorspace().

◆ imb_check_chromaticity_val()

bool imb_check_chromaticity_val	(	float	test_v,
		float	ref_v )

static

Definition at line 1963 of file openexr_api.cpp.

Referenced by imb_check_chromaticity_matches().

◆ imb_exitopenexr()

void imb_exitopenexr ( )

Definition at line 2377 of file openexr_api.cpp.

◆ IMB_exr_add_channels()

void IMB_exr_add_channels	(	ExrHandle *	handle,
		blender::StringRefNull	layerpassname,
		blender::StringRefNull	channelnames,
		blender::StringRefNull	viewname,
		blender::StringRefNull	colorspace,
		size_t	xstride,
		size_t	ystride,
		float *	rect,
		bool	use_half_float )

Add multiple channels to EXR file. The number of channels is determined by channelnames.size() with each character a channel name. Layer and pass name, view name and colorspace are all optional.

Definition at line 907 of file openexr_api.cpp.

◆ IMB_exr_add_view()

void IMB_exr_add_view	(	ExrHandle *	handle,
		const char *	name )

Definition at line 860 of file openexr_api.cpp.

◆ IMB_exr_begin_read()

bool IMB_exr_begin_read	(	ExrHandle *	handle,
		const char *	filepath,
		int *	width,
		int *	height,
		bool	parse_channels )

Read from file.

Definition at line 1101 of file openexr_api.cpp.

◆ imb_exr_begin_read_mem()

ExrHandle * imb_exr_begin_read_mem	(	IStream &	file_stream,
		MultiPartInputFile &	file,
		int	width,
		int	height )

static

Definition at line 1764 of file openexr_api.cpp.

References ExrHandle::height, ExrHandle::ifile, ExrHandle::ifile_stream, IMB_exr_close(), IMB_exr_get_handle(), imb_exr_multilayer_parse_channels_from_file(), and ExrHandle::width.

Referenced by imb_load_openexr().

◆ IMB_exr_begin_write()

bool IMB_exr_begin_write	(	ExrHandle *	handle,
		const char *	filepath,
		int	width,
		int	height,
		const double	ppm[2],
		int	compress,
		int	quality,
		const StampData *	stamp )

Used for output files (from RenderResult) (single and multi-layer, single and multi-view).

Definition at line 988 of file openexr_api.cpp.

◆ IMB_exr_close()

void IMB_exr_close ( ExrHandle * handle )

Definition at line 1360 of file openexr_api.cpp.

Referenced by imb_exr_begin_read_mem().

◆ IMB_exr_get_handle()

ExrHandle * IMB_exr_get_handle ( const bool write_multipart )

Definition at line 851 of file openexr_api.cpp.

Referenced by imb_exr_begin_read_mem().

◆ imb_exr_get_layer()

ExrLayer * imb_exr_get_layer	(	ExrHandle *	handle,
		const char *	layname )

static

Definition at line 1527 of file openexr_api.cpp.

References Vector< T, InlineBufferCapacity, Allocator >::append_as(), Vector< T, InlineBufferCapacity, Allocator >::last(), ExrHandle::layers, and ExrLayer::name.

Referenced by imb_exr_multilayer_parse_channels_from_file().

◆ imb_exr_get_multiView_id()

int imb_exr_get_multiView_id	(	StringVector &	views,
		const std::string &	name )

static

Definition at line 865 of file openexr_api.cpp.

References count, i, and name.

Referenced by imb_exr_get_views().

◆ imb_exr_get_pass()

ExrPass * imb_exr_get_pass	(	ExrLayer &	lay,
		const char *	passname )

static

Definition at line 1541 of file openexr_api.cpp.

References Vector< T, InlineBufferCapacity, Allocator >::append(), Vector< T, InlineBufferCapacity, Allocator >::first(), Vector< T, InlineBufferCapacity, Allocator >::last(), ExrPass::name, ExrLayer::passes, Vector< T, InlineBufferCapacity, Allocator >::prepend(), and STREQ.

Referenced by imb_exr_multilayer_parse_channels_from_file().

◆ IMB_exr_get_ppm()

bool IMB_exr_get_ppm	(	ExrHandle *	handle,
		double	ppm[2] )

Definition at line 2046 of file openexr_api.cpp.

◆ imb_exr_get_views()

StringVector imb_exr_get_views ( MultiPartInputFile & file )

static

Definition at line 880 of file openexr_api.cpp.

References imb_exr_get_multiView_id(), and view.

Referenced by IMB_exr_begin_read(), and imb_exr_multilayer_parse_channels_from_file().

◆ IMB_exr_has_multilayer()

bool IMB_exr_has_multilayer ( ExrHandle * handle )

Definition at line 1958 of file openexr_api.cpp.

◆ imb_exr_is_multi()

bool imb_exr_is_multi ( MultiPartInputFile & file )

static

Definition at line 1939 of file openexr_api.cpp.

References exr_has_multipart_file(), exr_has_multiview(), and imb_exr_is_multilayer_file().

Referenced by IMB_exr_has_multilayer(), and imb_load_openexr().

◆ imb_exr_is_multilayer_file()

bool imb_exr_is_multilayer_file ( MultiPartInputFile & file )

static

Definition at line 1910 of file openexr_api.cpp.

Referenced by imb_exr_is_multi().

◆ IMB_exr_multilayer_convert()

void IMB_exr_multilayer_convert	(	ExrHandle *	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) )

Definition at line 1315 of file openexr_api.cpp.

References ExrPass::chan_id, CLOG_WARN, ExrPass::internal_name, Vector< T, InlineBufferCapacity, Allocator >::is_empty(), ExrHandle::layers, LOG, ExrPass::rect, str, ExrPass::totchan, ExrPass::view, view, and ExrHandle::views.

Referenced by BKE_movieclip_convert_multilayer_ibuf(), render_result_new_from_exr(), and studiolight_load_equirect_image().

◆ imb_exr_multilayer_parse_channels_from_file()

bool imb_exr_multilayer_parse_channels_from_file ( ExrHandle * handle )

static

◆ imb_exr_part_colorspace()

const ColorSpace * imb_exr_part_colorspace ( const Header & header )

static

Definition at line 2028 of file openexr_api.cpp.

References IMB_colormanagement_space_get_named(), imb_exr_set_known_colorspace(), and ImFileColorSpace::metadata_colorspace.

Referenced by exr_channels_in_multi_part_file().

◆ imb_exr_pass_name_from_channel()

void imb_exr_pass_name_from_channel	(	char *	passname,
		const ExrChannel &	echan,
		const char *	channelname,
		const bool	has_xyz_channels )

static

Definition at line 1388 of file openexr_api.cpp.

References BLI_strcaseeq(), BLI_strncpy(), ExrChannel::chan_id, ELEM, and EXR_TOT_MAXNAME.

Referenced by imb_exr_split_channel_name().

◆ imb_exr_pass_name_from_channel_name()

void imb_exr_pass_name_from_channel_name	(	char *	passname,
		const ExrChannel &	,
		const char *	channelname,
		const bool	)

static

Definition at line 1409 of file openexr_api.cpp.

References BLI_strncpy(), and EXR_TOT_MAXNAME.

Referenced by imb_exr_split_channel_name().

◆ IMB_exr_read_channels()

void IMB_exr_read_channels ( ExrHandle * handle )

Definition at line 1237 of file openexr_api.cpp.

Referenced by imb_load_openexr().

◆ IMB_exr_set_channel()

bool IMB_exr_set_channel	(	ExrHandle *	handle,
		blender::StringRefNull	full_name,
		int	xstride,
		int	ystride,
		float *	rect )

For reading, set the rect buffer to write into.

Parameters

passname Full channel name including layer, pass, view and channel.

Definition at line 1145 of file openexr_api.cpp.

◆ imb_exr_set_known_colorspace()

void imb_exr_set_known_colorspace	(	const Header &	header,
		ImFileColorSpace &	r_colorspace )

static

Definition at line 1983 of file openexr_api.cpp.

References CHROMATICITIES_ACES_2065_1, CHROMATICITIES_XYZ_E, COLOR_ROLE_ACES_INTERCHANGE, imb_check_chromaticity_matches(), IMB_colormanagement_colorspace_get_name(), IMB_colormanagement_role_colorspace_name_get(), IMB_colormanagement_space_from_interop_id(), ImFileColorSpace::is_hdr_float, ImFileColorSpace::metadata_colorspace, and STRNCPY_UTF8.

Referenced by imb_exr_part_colorspace(), imb_load_filepath_thumbnail_openexr(), and imb_load_openexr().

◆ imb_exr_split_channel_name()

int imb_exr_split_channel_name	(	ExrChannel &	echan,
		char *	layname,
		char *	passname,
		bool	has_xyz_channels )

static

Definition at line 1424 of file openexr_api.cpp.

References BLI_assert, BLI_strcaseeq(), BLI_strncpy(), BLI_toupper_ascii(), ExrChannel::chan_id, CLOG_ERROR, ELEM, EXR_TOT_MAXNAME, imb_exr_pass_name_from_channel(), imb_exr_pass_name_from_channel_name(), imb_exr_split_token(), len, LOG, ExrChannel::name, and name.

Referenced by imb_exr_multilayer_parse_channels_from_file().

◆ imb_exr_split_token()

int imb_exr_split_token	(	const char *	str,
		const char *	end,
		const char **	token )

static

Get a sub-string from the end of the name, separated by '.'.

Definition at line 1374 of file openexr_api.cpp.

References BLI_str_partition_ex(), and str.

Referenced by imb_exr_split_channel_name().

◆ IMB_exr_write_channels()

void IMB_exr_write_channels ( ExrHandle * handle )

Definition at line 1160 of file openexr_api.cpp.

◆ imb_initopenexr()

void imb_initopenexr ( )

Definition at line 2369 of file openexr_api.cpp.

References BLI_system_thread_count().

◆ imb_is_a_openexr()

bool imb_is_a_openexr	(	const unsigned char *	mem,
		size_t	size )

Test presence of OpenEXR file.

Parameters

mem	pointer to loaded OpenEXR bit-stream.

Definition at line 404 of file openexr_api.cpp.

References size().

Referenced by imb_load_openexr().

◆ imb_load_filepath_thumbnail_openexr()

ImBuf * imb_load_filepath_thumbnail_openexr	(	const char *	filepath,
		const int	flags,
		const size_t	max_thumb_size,
		ImFileColorSpace &	r_colorspace,
		size_t *	r_width,
		size_t *	r_height )

Definition at line 2248 of file openexr_api.cpp.

References BLI_file_size(), CLOG_ERROR, ImBufFloatBuffer::data, ImBuf::float_buffer, IB_float_data, IMB_allocFromBuffer(), IMB_allocImBuf(), imb_exr_set_known_colorspace(), IMB_flipy(), IMB_freeImBuf(), LOG, and w().

◆ imb_load_openexr()

ImBuf * imb_load_openexr	(	const uchar *	mem,
		size_t	size,
		int	flags,
		ImFileColorSpace &	r_colorspace )

Definition at line 2051 of file openexr_api.cpp.

References BLI_YCC_ITU_BT709, CLG_LEVEL_DEBUG, CLOG_CHECK, CLOG_DEBUG, CLOG_ERROR, ImBufFloatBuffer::data, exr_get_ppm(), exr_has_alpha(), exr_has_chroma(), exr_has_luma(), exr_has_rgb(), exr_has_xyz(), exr_is_half_float(), exr_print_filecontents(), exr_rgba_channelname(), ImBuf::exrhandle, flag, ImbFormatOptions::flag, ImBuf::flags, ImBuf::float_buffer, ImBuf::foptions, ImBuf::ftype, i, IB_alphamode_detect, IB_alphamode_premul, IB_metadata, IB_multilayer, IB_test, IB_thumbnail, IMB_alloc_float_pixels(), IMB_allocImBuf(), IMB_byte_from_float(), imb_exr_begin_read_mem(), imb_exr_is_multi(), IMB_exr_read_channels(), imb_exr_set_known_colorspace(), IMB_freeImBuf(), IMB_FTYPE_OPENEXR, imb_is_a_openexr(), IMB_metadata_ensure(), IMB_metadata_set_field(), in, LOG, ImBuf::metadata, IDProperty::name, OPENEXR_HALF, openexr_header_get_compression(), ImBuf::ppm, size(), ImBuf::x, ImBuf::y, and ycc_to_rgb().

◆ imb_save_openexr()

bool imb_save_openexr	(	ImBuf *	ibuf,
		const char *	filepath,
		int	flags )

Definition at line 748 of file openexr_api.cpp.

References ImBufFloatBuffer::data, ImBuf::encoded_size, ImbFormatOptions::flag, ImBuf::float_buffer, ImBuf::foptions, IB_mem, imb_addencodedbufferImBuf(), imb_save_openexr_float(), imb_save_openexr_half(), and OPENEXR_HALF.

◆ imb_save_openexr_float()

bool imb_save_openexr_float	(	ImBuf *	ibuf,
		const char *	filepath,
		const int	flags )

static

Definition at line 676 of file openexr_api.cpp.

References ImBuf::channels, CLOG_ERROR, ImBufFloatBuffer::data, ImbFormatOptions::flag, float, ImBuf::float_buffer, ImBuf::foptions, IB_mem, LOG, ImBuf::metadata, OPENEXR_CODEC_MASK, openexr_header_compression(), openexr_header_metadata_colorspace(), openexr_header_metadata_global(), ImBuf::planes, ImBuf::ppm, ImbFormatOptions::quality, ImBuf::x, and ImBuf::y.

Referenced by imb_save_openexr().

◆ imb_save_openexr_half()

bool imb_save_openexr_half	(	ImBuf *	ibuf,
		const char *	filepath,
		const int	flags )

static

Definition at line 573 of file openexr_api.cpp.

References _RGBAZ::a, _RGBAZ::b, ImBuf::byte_buffer, ImBuf::channels, CLOG_DEBUG, CLOG_ERROR, ImBufByteBuffer::data, ImBufFloatBuffer::data, ImbFormatOptions::flag, float, ImBuf::float_buffer, float_to_half_safe(), ImBuf::foptions, _RGBAZ::g, HALF, i, IB_mem, LOG, ImBuf::metadata, OPENEXR_CODEC_MASK, openexr_header_compression(), openexr_header_metadata_colorspace(), openexr_header_metadata_global(), ImBuf::planes, ImBuf::ppm, ImbFormatOptions::quality, _RGBAZ::r, srgb_to_linearrgb(), ImBuf::x, and ImBuf::y.

Referenced by imb_save_openexr().

◆ openexr_header_compression()

void openexr_header_compression	(	Header *	header,
		int	compression,
		int	quality )

static

Definition at line 426 of file openexr_api.cpp.

References openexr_jpg_like_quality_to_dwa_quality(), R_IMF_EXR_CODEC_B44, R_IMF_EXR_CODEC_B44A, R_IMF_EXR_CODEC_DWAA, R_IMF_EXR_CODEC_DWAB, R_IMF_EXR_CODEC_NONE, R_IMF_EXR_CODEC_PIZ, R_IMF_EXR_CODEC_PXR24, R_IMF_EXR_CODEC_RLE, R_IMF_EXR_CODEC_ZIP, and R_IMF_EXR_CODEC_ZIPS.

Referenced by IMB_exr_begin_write(), imb_save_openexr_float(), and imb_save_openexr_half().

◆ openexr_header_get_compression()

int openexr_header_get_compression ( const Header & header )

static

Definition at line 469 of file openexr_api.cpp.

References R_IMF_EXR_CODEC_B44, R_IMF_EXR_CODEC_B44A, R_IMF_EXR_CODEC_DWAA, R_IMF_EXR_CODEC_DWAB, R_IMF_EXR_CODEC_NONE, R_IMF_EXR_CODEC_PIZ, R_IMF_EXR_CODEC_PXR24, R_IMF_EXR_CODEC_RLE, R_IMF_EXR_CODEC_ZIP, and R_IMF_EXR_CODEC_ZIPS.

Referenced by imb_load_openexr().

◆ openexr_header_metadata_callback()

void openexr_header_metadata_callback	(	void *	data,
		const char *	propname,
		char *	prop,
		int	)

static

Definition at line 564 of file openexr_api.cpp.

References data.

Referenced by openexr_header_metadata_multi().

◆ openexr_header_metadata_colorspace() [1/2]

void openexr_header_metadata_colorspace	(	Header *	header,
		const ColorSpace *	colorspace )

static

Definition at line 523 of file openexr_api.cpp.

References CHROMATICITIES_ACES_2065_1, COLOR_ROLE_ACES_INTERCHANGE, IMB_colormanagement_colorspace_get_name(), IMB_colormanagement_role_colorspace_name_get(), IMB_colormanagement_space_get_interop_id(), blender::StringRefBase::is_empty(), and STREQ.

Referenced by IMB_exr_begin_write(), imb_save_openexr_float(), imb_save_openexr_half(), and openexr_header_metadata_colorspace().

◆ openexr_header_metadata_colorspace() [2/2]

void openexr_header_metadata_colorspace	(	Header *	header,
		ImBuf *	ibuf )

static

Definition at line 546 of file openexr_api.cpp.

References ImBuf::byte_buffer, COLOR_ROLE_SCENE_LINEAR, ImBufByteBuffer::colorspace, ImBufFloatBuffer::colorspace, ImBufByteBuffer::data, ImBufFloatBuffer::data, ImBuf::float_buffer, IMB_colormanagement_role_colorspace_name_get(), IMB_colormanagement_space_get_named(), and openexr_header_metadata_colorspace().

◆ openexr_header_metadata_global()

void openexr_header_metadata_global	(	Header *	header,
		IDProperty *	metadata,
		const double	ppm[2] )

static

Definition at line 498 of file openexr_api.cpp.

References BKE_blender_version_string(), IDProperty::data, IDPropertyData::group, IDP_STRING, IDP_string_get, LISTBASE_FOREACH, blender::math::safe_divide(), and STR_ELEM.

Referenced by imb_save_openexr_float(), imb_save_openexr_half(), and openexr_header_metadata_multi().

◆ openexr_header_metadata_multi()

void openexr_header_metadata_multi	(	ExrHandle *	handle,
		Header &	header,
		const double	ppm[2],
		const StampData *	stamp )

static

Definition at line 972 of file openexr_api.cpp.

References BKE_stamp_info_callback(), ExrHandle::has_layer_pass_names, openexr_header_metadata_callback(), openexr_header_metadata_global(), ExrHandle::views, and ExrHandle::write_multipart.

Referenced by IMB_exr_begin_write().

◆ openexr_jpg_like_quality_to_dwa_quality()

int openexr_jpg_like_quality_to_dwa_quality ( int q )

static

Definition at line 413 of file openexr_api.cpp.

References blender::math::clamp().

Referenced by openexr_header_compression().

Variable Documentation

◆ CHROMATICITIES_ACES_2065_1

Imf::Chromaticities CHROMATICITIES_ACES_2065_1

static

Initial value:

{

{0.7347f, 0.2653f}, {0.0f, 1.0f}, {0.0001f, -0.077f}, {0.32168f, 0.33767f}}

Definition at line 120 of file openexr_api.cpp.

Referenced by imb_exr_set_known_colorspace(), and openexr_header_metadata_colorspace().

◆ CHROMATICITIES_XYZ_E

Imf::Chromaticities CHROMATICITIES_XYZ_E

static

Initial value:

{

{1.0f, 0.0f}, {0.0f, 1.0f}, {0.0f, 0.0f}, {1.0f / 3.0f, 1.0f / 3.0f}}

Definition at line 117 of file openexr_api.cpp.

Referenced by imb_exr_set_known_colorspace().

◆ LOG

CLG_LogRef LOG = {"image.openexr"}

static

Definition at line 105 of file openexr_api.cpp.

Classes

Macros

Typedefs

Functions

Variables

Macro Definition Documentation

◆ COMBINED_OPENEXR_VERSION

◆ exr_file_offset_t

Typedef Documentation

◆ RGBAZ

Function Documentation

◆ exr_channels_in_multi_part_file()

◆ exr_get_ppm()

◆ exr_has_alpha()

◆ exr_has_chroma()

◆ exr_has_luma()

◆ exr_has_multipart_file()

◆ exr_has_multiview()

◆ exr_has_rgb()

◆ exr_has_xyz()

◆ exr_has_xyz_channels()

◆ exr_is_half_float()

◆ exr_print_filecontents()

◆ exr_rgba_channelname()

◆ float_to_half_safe()

◆ imb_check_chromaticity_matches()

◆ imb_check_chromaticity_val()

◆ imb_exitopenexr()

◆ IMB_exr_add_channels()

◆ IMB_exr_add_view()

◆ IMB_exr_begin_read()

◆ imb_exr_begin_read_mem()

◆ IMB_exr_begin_write()

◆ IMB_exr_close()

◆ IMB_exr_get_handle()

◆ imb_exr_get_layer()

◆ imb_exr_get_multiView_id()

◆ imb_exr_get_pass()

◆ IMB_exr_get_ppm()

◆ imb_exr_get_views()

◆ IMB_exr_has_multilayer()

◆ imb_exr_is_multi()

◆ imb_exr_is_multilayer_file()

◆ IMB_exr_multilayer_convert()

◆ imb_exr_multilayer_parse_channels_from_file()

◆ imb_exr_part_colorspace()

◆ imb_exr_pass_name_from_channel()

◆ imb_exr_pass_name_from_channel_name()

◆ IMB_exr_read_channels()

◆ IMB_exr_set_channel()

◆ imb_exr_set_known_colorspace()

◆ imb_exr_split_channel_name()

◆ imb_exr_split_token()

◆ IMB_exr_write_channels()

◆ imb_initopenexr()

◆ imb_is_a_openexr()

◆ imb_load_filepath_thumbnail_openexr()

◆ imb_load_openexr()

◆ imb_save_openexr()

◆ imb_save_openexr_float()

◆ imb_save_openexr_half()

◆ openexr_header_compression()

◆ openexr_header_get_compression()

◆ openexr_header_metadata_callback()

◆ openexr_header_metadata_colorspace() [1/2]

◆ openexr_header_metadata_colorspace() [2/2]

◆ openexr_header_metadata_global()

◆ openexr_header_metadata_multi()

◆ openexr_jpg_like_quality_to_dwa_quality()

Variable Documentation

◆ CHROMATICITIES_ACES_2065_1

◆ CHROMATICITIES_XYZ_E

◆ LOG