Blender V2.61 - r43446
Classes | Typedefs | Functions | Variables

openexr_api.cpp File Reference
OpenEXR

#include <stdlib.h>
#include <stdio.h>
#include <stddef.h>
#include <string>
#include <openexr_api.h>
#include "MEM_guardedalloc.h"
#include "BLI_blenlib.h"
#include "BLI_math_color.h"
#include "IMB_imbuf_types.h"
#include "IMB_imbuf.h"
#include "IMB_allocimbuf.h"
#include "IMB_metadata.h"
#include "openexr_multi.h"
#include <iostream>
#include <half.h>
#include <ImfVersion.h>
#include <ImathBox.h>
#include <ImfArray.h>
#include <ImfIO.h>
#include <ImfChannelList.h>
#include <ImfPixelType.h>
#include <ImfInputFile.h>
#include <ImfOutputFile.h>
#include <ImfCompression.h>
#include <ImfCompressionAttribute.h>
#include <ImfStringAttribute.h>

Go to the source code of this file.

Classes

class  Mem_IStream
struct  _RGBAZ
struct  ExrHandle
struct  ExrChannel
struct  ExrPass
struct  ExrLayer
struct  RGBA

Typedefs

typedef struct _RGBAZ RGBAZ
typedef struct ExrHandle ExrHandle
typedef struct ExrChannel ExrChannel
typedef struct ExrPass ExrPass
typedef struct ExrLayer ExrLayer
typedef struct RGBA RGBA

Functions

int imb_is_a_openexr (unsigned char *mem)
static void openexr_header_compression (Header *header, int compression)
static void openexr_header_metadata (Header *header, struct ImBuf *ibuf)
static int imb_save_openexr_half (struct ImBuf *ibuf, const char *name, int flags)
static int imb_save_openexr_float (struct ImBuf *ibuf, const char *name, int flags)
int imb_save_openexr (struct ImBuf *ibuf, const char *name, int flags)
void * IMB_exr_get_handle (void)
void IMB_exr_add_channel (void *handle, const char *layname, const char *passname, int xstride, int ystride, float *rect)
int IMB_exr_begin_write (void *handle, const char *filename, int width, int height, int compress)
void IMB_exrtile_begin_write (void *handle, const char *filename, int mipmap, int width, int height, int tilex, int tiley)
int IMB_exr_begin_read (void *handle, const char *filename, int *width, int *height)
void IMB_exr_set_channel (void *handle, const char *layname, const char *passname, int xstride, int ystride, float *rect)
void IMB_exrtile_clear_channels (void *handle)
void IMB_exrtile_write_channels (void *handle, int partx, int party, int level)
void IMB_exr_write_channels (void *handle)
void IMB_exr_read_channels (void *handle)
void IMB_exr_multilayer_convert (void *handle, void *base, void *(*addlayer)(void *base, char *str), void(*addpass)(void *base, void *lay, char *str, float *rect, int totchan, char *chan_id))
void IMB_exr_close (void *handle)
static int imb_exr_split_channel_name (ExrChannel *echan, char *layname, char *passname)
static ExrLayer * imb_exr_get_layer (ListBase *lb, char *layname)
static ExrPass * imb_exr_get_pass (ListBase *lb, char *passname)
static ExrHandle * imb_exr_begin_read_mem (InputFile *file, int width, int height)
static void exr_print_filecontents (InputFile *file)
static const char * exr_rgba_channelname (InputFile *file, const char *chan)
static int exr_has_zbuffer (InputFile *file)
static int exr_is_renderresult (InputFile *file)
struct ImBuf * imb_load_openexr (unsigned char *mem, size_t size, int flags)

Variables

static ListBase exrhandles = {NULL, NULL}

Detailed Description

Definition in file openexr_api.cpp.

Typedef Documentation

typedef struct ExrChannel ExrChannel
typedef struct ExrHandle ExrHandle
typedef struct ExrLayer ExrLayer
typedef struct ExrPass ExrPass
typedef struct RGBA RGBA
typedef struct _RGBAZ RGBAZ

Definition at line 151 of file openexr_api.cpp.

Function Documentation

static int exr_has_zbuffer ( InputFile *  file) [static]

Definition at line 959 of file openexr_api.cpp.

References NULL.

Referenced by imb_load_openexr().

static int exr_is_renderresult ( InputFile *  file) [static]

Definition at line 964 of file openexr_api.cpp.

Referenced by imb_load_openexr().

static void exr_print_filecontents ( InputFile *  file) [static]

Definition at line 927 of file openexr_api.cpp.

References i.

Referenced by imb_load_openexr().

static const char* exr_rgba_channelname ( InputFile *  file,
const char *  chan 
) [static]

Definition at line 939 of file openexr_api.cpp.

References BLI_strcasecmp(), i, len(), str, and strlen().

Referenced by imb_load_openexr().

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

Definition at line 464 of file openexr_api.cpp.

References BLI_addtail(), BLI_strncpy(), ExrHandle::channels, data, EXR_LAY_MAXNAME, EXR_PASS_MAXNAME, EXR_TOT_MAXNAME, MEM_callocN(), ExrChannel::name, ExrChannel::rect, ExrChannel::xstride, and ExrChannel::ystride.

Referenced by IMB_exr_begin_read(), imb_exr_begin_read_mem(), RE_WriteRenderResult(), render_layer_add_pass(), and render_result_new().

int IMB_exr_begin_read ( void *  handle,
const char *  filename,
int *  width,
int *  height 
)

Definition at line 545 of file openexr_api.cpp.

References BLI_exists(), BLI_file_size(), data, ExrHandle::height, i, ExrHandle::ifile, IMB_exr_add_channel(), NULL, and ExrHandle::width.

Referenced by render_result_exr_file_read_path().

static ExrHandle* imb_exr_begin_read_mem ( InputFile *  file,
int  width,
int  height 
) [static]

Definition at line 816 of file openexr_api.cpp.

References ExrPass::chan, ExrChannel::chan_id, ExrPass::chan_id, ExrHandle::channels, data, EXR_PASS_MAXCHAN, EXR_TOT_MAXNAME, ListBase::first, ExrHandle::height, i, ExrHandle::ifile, IMB_exr_add_channel(), IMB_exr_close(), IMB_exr_get_handle(), imb_exr_get_layer(), imb_exr_get_pass(), imb_exr_split_channel_name(), ExrHandle::layers, MEM_mapallocN(), ExrChannel::name, ExrPass::next, ExrLayer::next, ExrChannel::next, NULL, ExrLayer::passes, ExrChannel::rect, ExrPass::rect, ExrPass::totchan, ExrHandle::width, ExrChannel::xstride, and ExrChannel::ystride.

Referenced by imb_load_openexr().

int IMB_exr_begin_write ( void *  handle,
const char *  filename,
int  width,
int  height,
int  compress 
)

Definition at line 490 of file openexr_api.cpp.

References ExrHandle::channels, data, ListBase::first, ExrHandle::height, ExrChannel::name, ExrChannel::next, NULL, ExrHandle::ofile, openexr_header_compression(), OutputFile, and ExrHandle::width.

Referenced by RE_WriteRenderResult().

void IMB_exr_close ( void *  handle)

Definition at line 713 of file openexr_api.cpp.

References BLI_freelistN(), BLI_remlink(), ExrHandle::channels, data, exrhandles, ListBase::first, ExrHandle::ifile, ExrHandle::layers, MEM_freeN(), ExrPass::next, ExrLayer::next, NULL, ExrHandle::ofile, ExrLayer::passes, ExrPass::rect, and ExrHandle::tofile.

Referenced by image_create_multilayer(), imb_exr_begin_read_mem(), RE_WriteRenderResult(), render_result_exr_file_end(), and render_result_exr_file_read_path().

void* IMB_exr_get_handle ( void  )

Definition at line 455 of file openexr_api.cpp.

References BLI_addtail(), data, exrhandles, and MEM_callocN().

Referenced by imb_exr_begin_read_mem(), RE_WriteRenderResult(), render_result_exr_file_read_path(), and render_result_new().

static ExrLayer* imb_exr_get_layer ( ListBase *  lb,
char *  layname 
) [static]

Definition at line 784 of file openexr_api.cpp.

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

Referenced by imb_exr_begin_read_mem().

static ExrPass* imb_exr_get_pass ( ListBase *  lb,
char *  passname 
) [static]

Definition at line 797 of file openexr_api.cpp.

References BLI_addhead(), BLI_addtail(), BLI_findstring(), BLI_strncpy(), EXR_LAY_MAXNAME, MEM_callocN(), ExrPass::name, ExrLayer::name, and NULL.

Referenced by imb_exr_begin_read_mem().

void IMB_exr_multilayer_convert ( void *  handle,
void *  base,
void *(*)(void *base, char *str)  addlayer,
void(*)(void *base, void *lay, char *str, float *rect, int totchan, char *chan_id)  addpass 
)

Definition at line 687 of file openexr_api.cpp.

References ExrPass::chan_id, data, ListBase::first, ExrHandle::layers, ExrPass::name, ExrLayer::name, ExrPass::next, ExrLayer::next, NULL, ExrLayer::passes, ExrPass::rect, and ExrPass::totchan.

Referenced by render_result_new_from_exr().

void IMB_exr_read_channels ( void *  handle)

Definition at line 653 of file openexr_api.cpp.

References ExrHandle::channels, data, ListBase::first, ExrHandle::height, ExrHandle::ifile, ExrChannel::name, ExrChannel::next, ExrChannel::rect, ExrHandle::width, ExrChannel::xstride, and ExrChannel::ystride.

Referenced by imb_load_openexr(), and render_result_exr_file_read_path().

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

Definition at line 568 of file openexr_api.cpp.

References BLI_findstring(), BLI_strncpy(), ExrHandle::channels, data, EXR_LAY_MAXNAME, EXR_PASS_MAXNAME, EXR_TOT_MAXNAME, ExrLayer::name, ExrChannel::rect, ExrChannel::xstride, and ExrChannel::ystride.

Referenced by render_result_exr_file_read_path(), and save_render_result_tile().

static int imb_exr_split_channel_name ( ExrChannel *  echan,
char *  layname,
char *  passname 
) [static]

Definition at line 746 of file openexr_api.cpp.

References BLI_strncpy(), ExrChannel::chan_id, EXR_LAY_MAXNAME, EXR_PASS_MAXNAME, len(), ExrChannel::name, and strlen().

Referenced by imb_exr_begin_read_mem().

void IMB_exr_write_channels ( void *  handle)

Definition at line 625 of file openexr_api.cpp.

References ExrHandle::channels, data, ListBase::first, ExrHandle::height, ExrChannel::name, ExrChannel::next, ExrHandle::ofile, ExrChannel::rect, ExrHandle::width, ExrChannel::xstride, and ExrChannel::ystride.

Referenced by RE_WriteRenderResult().

void IMB_exrtile_begin_write ( void *  handle,
const char *  filename,
int  mipmap,
int  width,
int  height,
int  tilex,
int  tiley 
)

Definition at line 520 of file openexr_api.cpp.

References ExrHandle::channels, data, ListBase::first, ExrHandle::height, ExrHandle::mipmap, ExrChannel::name, ExrChannel::next, ExrHandle::tilex, ExrHandle::tiley, ExrHandle::tofile, and ExrHandle::width.

Referenced by render_result_exr_file_begin().

void IMB_exrtile_clear_channels ( void *  handle)

Definition at line 595 of file openexr_api.cpp.

References BLI_freelistN(), ExrHandle::channels, and data.

Referenced by save_empty_result_tiles().

void IMB_exrtile_write_channels ( void *  handle,
int  partx,
int  party,
int  level 
)

Definition at line 601 of file openexr_api.cpp.

References ExrHandle::channels, data, ListBase::first, ExrChannel::name, ExrChannel::next, ExrChannel::rect, ExrHandle::tilex, ExrHandle::tiley, ExrHandle::tofile, ExrChannel::xstride, and ExrChannel::ystride.

Referenced by save_empty_result_tiles(), and save_render_result_tile().

int imb_is_a_openexr ( unsigned char *  mem)

Test presence of OpenEXR file.

Parameters:
mempointer to loaded OpenEXR bitstream

Definition at line 156 of file openexr_api.cpp.

Referenced by imb_load_openexr().

struct ImBuf* imb_load_openexr ( unsigned char *  mem,
size_t  size,
int  flags 
) [read]

Definition at line 973 of file openexr_api.cpp.

References addzbuffloatImBuf(), exr_has_zbuffer(), exr_is_renderresult(), exr_print_filecontents(), exr_rgba_channelname(), ImBuf::ftype, IB_multilayer, IB_PROFILE_LINEAR_RGB, IB_test, imb_addrectfloatImBuf(), IMB_allocImBuf(), imb_exr_begin_read_mem(), IMB_exr_read_channels(), IMB_freeImBuf(), imb_is_a_openexr(), NULL, OPENEXR, ImBuf::profile, ImBuf::rect_float, ImBuf::userdata, and ImBuf::zbuf_float.

int imb_save_openexr ( struct ImBuf *  ibuf,
const char *  name,
int  flags 
)

Definition at line 380 of file openexr_api.cpp.

References ImBuf::encodedsize, ImBuf::ftype, IB_mem, imb_addencodedbufferImBuf(), imb_save_openexr_float(), imb_save_openexr_half(), NULL, OPENEXR_HALF, and ImBuf::rect_float.

static int imb_save_openexr_float ( struct ImBuf *  ibuf,
const char *  name,
int  flags 
) [static]

Definition at line 321 of file openexr_api.cpp.

References ImBuf::channels, ImBuf::ftype, IB_zbuffloat, NULL, OPENEXR_COMPRESS, openexr_header_compression(), openexr_header_metadata(), OutputFile, ImBuf::planes, ImBuf::rect_float, ImBuf::x, ImBuf::y, and ImBuf::zbuf_float.

Referenced by imb_save_openexr().

static int imb_save_openexr_half ( struct ImBuf *  ibuf,
const char *  name,
int  flags 
) [static]

Definition at line 194 of file openexr_api.cpp.

References _RGBAZ::a, _RGBAZ::b, ImBuf::channels, ImBuf::ftype, _RGBAZ::g, g, i, IB_PROFILE_LINEAR_RGB, IB_zbuffloat, NULL, OPENEXR_COMPRESS, openexr_header_compression(), openexr_header_metadata(), OutputFile, ImBuf::planes, ImBuf::profile, _RGBAZ::r, ImBuf::rect, ImBuf::rect_float, srgb_to_linearrgb(), ImBuf::x, ImBuf::y, and ImBuf::zbuf_float.

Referenced by imb_save_openexr().

static void openexr_header_compression ( Header *  header,
int  compression 
) [static]

Definition at line 161 of file openexr_api.cpp.

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

static void openexr_header_metadata ( Header *  header,
struct ImBuf *  ibuf 
) [static]

Definition at line 186 of file openexr_api.cpp.

References ImMetaData::key, ImBuf::metadata, ImMetaData::next, and ImMetaData::value.

Referenced by imb_save_openexr_float(), and imb_save_openexr_half().

Variable Documentation

ListBase exrhandles = {NULL, NULL} [static]

Definition at line 410 of file openexr_api.cpp.

Referenced by IMB_exr_close(), and IMB_exr_get_handle().

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