#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_path_utils.hh"
#include "BLI_string.h"
#include "BLI_string_ref.hh"
#include "BLI_threads.h"
#include "BKE_idprop.hh"
#include "BKE_image.hh"
#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	ExrHandle
struct	ExrChannel
struct	ExrPass
struct	ExrLayer

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 struct ExrPass *	imb_exr_get_pass (ListBase lb, const char passname)
static bool	exr_has_multiview (MultiPartInputFile &file)
static bool	exr_has_multipart_file (MultiPartInputFile &file)
static bool	exr_has_alpha (MultiPartInputFile &file)
static void	exr_printf (const char *__restrict fmt,...)
static void	imb_exr_type_by_channels (ChannelList &channels, StringVector &views, bool r_singlelayer, bool r_multilayer, bool *r_multiview)
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 (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 *data)
void *	IMB_exr_get_handle ()
void *	IMB_exr_get_handle_name (const char *name)
void	IMB_exr_add_view (void handle, const char name)
static int	imb_exr_get_multiView_id (StringVector &views, const std::string &name)
static void	imb_exr_get_views (MultiPartInputFile &file, StringVector &views)
static void	imb_exr_insert_view_name (char name_full[EXR_TOT_MAXNAME+1], const char passname, const char viewname)
void	IMB_exr_add_channel (void handle, const char layname, const char passname, const char viewname, int xstride, int ystride, float *rect, bool use_half_float)
bool	IMB_exr_begin_write (void handle, const char filepath, int width, int height, const double ppm[2], int compress, int quality, const StampData *stamp)
bool	IMB_exr_begin_read (void handle, const char filepath, int width, int height, const bool parse_channels)
bool	IMB_exr_set_channel (void handle, const char layname, const char passname, int xstride, int ystride, float rect)
void	IMB_exr_write_channels (void *handle)
void	IMB_exr_read_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)
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 (ListBase lb, const char layname)
static bool	exr_has_xyz_channels (ExrHandle *exr_handle)
static std::vector< MultiViewChannelName >	exr_channels_in_multi_part_file (const MultiPartInputFile &file)
static ExrHandle *	imb_exr_begin_read_mem (IStream &file_stream, MultiPartInputFile &file, int width, int height)
static void	exr_printf (const char *fmt,...)
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 (void *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 (void *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 Imf::Chromaticities	CHROMATICITIES_XYZ_E
static Imf::Chromaticities	CHROMATICITIES_ACES_2065_1
static ListBase	exrhandles = {nullptr, nullptr}

Macro Definition Documentation

◆ COMBINED_OPENEXR_VERSION

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

Definition at line 26 of file openexr_api.cpp.

◆ exr_file_offset_t

#define exr_file_offset_t Int64

Definition at line 37 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 399 of file openexr_api.cpp.

Function Documentation

◆ exr_channels_in_multi_part_file()

std::vector< MultiViewChannelName > exr_channels_in_multi_part_file ( const MultiPartInputFile & file )

static

Definition at line 1554 of file openexr_api.cpp.

References blender::StringRef::drop_known_suffix(), blender::StringRefBase::endswith(), i, blender::StringRefBase::is_empty(), and blender::StringRefBase::startswith().

Referenced by imb_exr_multilayer_parse_channels_from_file().

◆ exr_get_ppm()

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

static

Definition at line 2056 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 1869 of file openexr_api.cpp.

Referenced by imb_load_openexr().

◆ exr_has_chroma()

bool exr_has_chroma ( MultiPartInputFile & file )

static

Definition at line 1862 of file openexr_api.cpp.

Referenced by imb_load_openexr().

◆ exr_has_luma()

bool exr_has_luma ( MultiPartInputFile & file )

static

Definition at line 1853 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 1977 of file openexr_api.cpp.

Referenced by imb_exr_get_views(), and imb_exr_is_multi().

◆ exr_has_multiview()

bool exr_has_multiview ( MultiPartInputFile & file )

static

Definition at line 1966 of file openexr_api.cpp.

Referenced by imb_exr_get_views(), and imb_exr_is_multi().

◆ exr_has_rgb()

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

static

Definition at line 1822 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 1875 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 1532 of file openexr_api.cpp.

References ExrHandle::channels, ELEM, and LISTBASE_FOREACH.

Referenced by imb_exr_multilayer_parse_channels_from_file().

◆ exr_is_half_float()

bool exr_is_half_float ( MultiPartInputFile & file )

static

Definition at line 1886 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 1775 of file openexr_api.cpp.

References i, printf, and view.

Referenced by imb_load_openexr().

◆ exr_printf() [1/2]

void exr_printf	(	const char *__restrict	fmt,
			... )

static

Referenced by IMB_exr_add_channel(), IMB_exr_read_channels(), and imb_save_openexr_half().

◆ exr_printf() [2/2]

void exr_printf	(	const char *	fmt,
			... )

static

Definition at line 1763 of file openexr_api.cpp.

◆ exr_rgba_channelname()

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

static

Definition at line 1805 of file openexr_api.cpp.

References BLI_strcasecmp(), 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 401 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 2015 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 2008 of file openexr_api.cpp.

Referenced by imb_check_chromaticity_matches().

◆ imb_exitopenexr()

void imb_exitopenexr ( )

Definition at line 2400 of file openexr_api.cpp.

◆ IMB_exr_add_channel()

void IMB_exr_add_channel	(	void *	handle,
		const char *	layname,
		const char *	passname,
		const char *	viewname,
		int	xstride,
		int	ystride,
		float *	rect,
		bool	use_half_float )

Adds flattened ExrChannel's xstride, ystride and rect can be done in set_channel too, for tile writing.

Parameters

passname Does not include view.

Definition at line 906 of file openexr_api.cpp.

Referenced by IMB_exr_begin_read(), and imb_exr_multilayer_parse_channels_from_file().

◆ IMB_exr_add_view()

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

Definition at line 831 of file openexr_api.cpp.

◆ IMB_exr_begin_read()

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

Read from file.

Definition at line 1032 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 1739 of file openexr_api.cpp.

References data, IMB_exr_close(), IMB_exr_get_handle(), and imb_exr_multilayer_parse_channels_from_file().

Referenced by imb_load_openexr().

◆ IMB_exr_begin_write()

bool IMB_exr_begin_write	(	void *	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 962 of file openexr_api.cpp.

◆ IMB_exr_close()

void IMB_exr_close ( void * handle )

Definition at line 1307 of file openexr_api.cpp.

Referenced by imb_exr_begin_read_mem().

◆ IMB_exr_get_handle()

void * IMB_exr_get_handle ( )

Definition at line 809 of file openexr_api.cpp.

Referenced by imb_exr_begin_read_mem(), and IMB_exr_get_handle_name().

◆ IMB_exr_get_handle_name()

void * IMB_exr_get_handle_name ( const char * name )

Definition at line 818 of file openexr_api.cpp.

◆ imb_exr_get_layer()

ExrLayer * imb_exr_get_layer	(	ListBase *	lb,
		const char *	layname )

static

Definition at line 1499 of file openexr_api.cpp.

References BLI_addtail(), BLI_findstring(), BLI_strncpy(), EXR_LAY_MAXNAME, MEM_callocN(), ExrLayer::name, and offsetof.

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 837 of file openexr_api.cpp.

References count, and i.

Referenced by IMB_exr_add_channel(), imb_exr_get_views(), and imb_exr_type_by_channels().

◆ imb_exr_get_pass()

ExrPass * imb_exr_get_pass	(	ListBase *	lb,
		const char *	passname )

static

Definition at line 1512 of file openexr_api.cpp.

References BLI_addhead(), BLI_addtail(), BLI_findstring(), MEM_callocN(), ExrPass::name, offsetof, STREQ, and STRNCPY().

Referenced by imb_exr_multilayer_parse_channels_from_file().

◆ IMB_exr_get_ppm()

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

Definition at line 2067 of file openexr_api.cpp.

◆ imb_exr_get_views()

void imb_exr_get_views	(	MultiPartInputFile &	file,
		StringVector &	views )

static

Definition at line 852 of file openexr_api.cpp.

References exr_has_multipart_file(), exr_has_multiview(), 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 ( void * handle )

Definition at line 2002 of file openexr_api.cpp.

◆ imb_exr_insert_view_name()

void imb_exr_insert_view_name	(	char	name_full[EXR_TOT_MAXNAME+1],
		const char *	passname,
		const char *	viewname )

static

Definition at line 878 of file openexr_api.cpp.

References BLI_assert, BLI_snprintf(), BLI_str_rpartition(), BLI_strncpy(), ELEM, EXR_TOT_MAXNAME, and len.

Referenced by IMB_exr_add_channel().

◆ imb_exr_is_multi()

bool imb_exr_is_multi ( MultiPartInputFile & file )

static

Definition at line 1983 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 1898 of file openexr_api.cpp.

Referenced by imb_exr_is_multi().

◆ IMB_exr_multilayer_convert()

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) )

Definition at line 1260 of file openexr_api.cpp.

References BLI_listbase_is_empty(), data, LISTBASE_FOREACH, printf, str, and view.

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 * data )

static

◆ 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 1360 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 1381 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 ( void * handle )

Definition at line 1181 of file openexr_api.cpp.

Referenced by imb_load_openexr().

◆ IMB_exr_set_channel()

bool IMB_exr_set_channel	(	void *	handle,
		const char *	layname,
		const char *	passname,
		int	xstride,
		int	ystride,
		float *	rect )

Still clumsy name handling, layers/channels can be ordered as list in list later.

Parameters

passname Here is the raw channel name without the layer.

Definition at line 1092 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 2028 of file openexr_api.cpp.

References CHROMATICITIES_ACES_2065_1, CHROMATICITIES_XYZ_E, COLOR_ROLE_ACES_INTERCHANGE, imb_check_chromaticity_matches(), IMB_colormanagement_role_colorspace_name_get(), ImFileColorSpace::is_hdr_float, ImFileColorSpace::metadata_colorspace, and STRNCPY().

Referenced by 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 1396 of file openexr_api.cpp.

References BLI_assert, BLI_strcaseeq(), BLI_strncpy(), BLI_toupper_ascii(), ExrChannel::chan_id, ELEM, EXR_TOT_MAXNAME, imb_exr_pass_name_from_channel(), imb_exr_pass_name_from_channel_name(), imb_exr_split_token(), len, ExrChannel::m, and printf.

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 1346 of file openexr_api.cpp.

References BLI_str_partition_ex(), and str.

Referenced by imb_exr_split_channel_name().

◆ imb_exr_type_by_channels()

void imb_exr_type_by_channels	(	ChannelList &	channels,
		StringVector &	views,
		bool *	r_singlelayer,
		bool *	r_multilayer,
		bool *	r_multiview )

static

Definition at line 1910 of file openexr_api.cpp.

References BLI_assert, i, imb_exr_get_multiView_id(), and pos.

Referenced by IMB_exr_begin_write().

◆ IMB_exr_write_channels()

void IMB_exr_write_channels ( void * handle )

Definition at line 1122 of file openexr_api.cpp.

◆ imb_initopenexr()

void imb_initopenexr ( )

Definition at line 2392 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 406 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 2271 of file openexr_api.cpp.

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

◆ imb_load_openexr()

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

Definition at line 2073 of file openexr_api.cpp.

References BLI_YCC_ITU_BT709, 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(), 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, ImBuf::metadata, IDProperty::name, OPENEXR_HALF, openexr_header_get_compression(), ImBuf::ppm, printf, size(), ImBuf::userdata, 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 714 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 643 of file openexr_api.cpp.

References ImBuf::channels, ImBufFloatBuffer::data, ImbFormatOptions::flag, ImBuf::float_buffer, ImBuf::foptions, IB_mem, OPENEXR_CODEC_MASK, openexr_header_compression(), openexr_header_metadata(), ImBuf::planes, printf, 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 541 of file openexr_api.cpp.

References _RGBAZ::a, _RGBAZ::b, ImBuf::byte_buffer, ImBuf::channels, ImBufByteBuffer::data, ImBufFloatBuffer::data, exr_printf(), ImbFormatOptions::flag, ImBuf::float_buffer, float_to_half_safe(), ImBuf::foptions, _RGBAZ::g, HALF, i, IB_mem, OPENEXR_CODEC_MASK, openexr_header_compression(), openexr_header_metadata(), ImBuf::planes, printf, 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 428 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 471 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()

void openexr_header_metadata	(	Header *	header,
		ImBuf *	ibuf )

static

◆ openexr_header_metadata_callback()

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

static

Definition at line 532 of file openexr_api.cpp.

References data.

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 415 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().

◆ 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().

◆ exrhandles

ListBase exrhandles = {nullptr, nullptr}

static

Definition at line 742 of file openexr_api.cpp.

Referenced by IMB_exr_close(), IMB_exr_get_handle(), and IMB_exr_get_handle_name().

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_printf() [1/2]

◆ exr_printf() [2/2]

◆ exr_rgba_channelname()

◆ float_to_half_safe()

◆ imb_check_chromaticity_matches()

◆ imb_check_chromaticity_val()

◆ imb_exitopenexr()

◆ IMB_exr_add_channel()

◆ 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_handle_name()

◆ 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_insert_view_name()

◆ imb_exr_is_multi()

◆ imb_exr_is_multilayer_file()

◆ IMB_exr_multilayer_convert()

◆ imb_exr_multilayer_parse_channels_from_file()

◆ 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_type_by_channels()

◆ 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()

◆ openexr_header_metadata_callback()

◆ openexr_jpg_like_quality_to_dwa_quality()

Variable Documentation

◆ CHROMATICITIES_ACES_2065_1

◆ CHROMATICITIES_XYZ_E

◆ exrhandles