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|
/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*/
/** \file
* \ingroup imbuf
*/
/**
* \brief IMage Buffer module.
*
* This module offers import/export of several graphical file formats.
* \ingroup imbuf
*
* \page IMB Imbuf module external interface
* \section imb_about About the IMB module
*
* External interface of the IMage Buffer module. This module offers
* import/export of several graphical file formats. It offers the
* ImBuf type as a common structure to refer to different graphical
* file formats, and to enable a uniform way of handling them.
*
* \section imb_issues Known issues with IMB
*
* - imbuf is written in C.
* - Endianness issues are dealt with internally.
* - File I/O must be done externally. The module uses FILE*'s to
* direct input/output.
*
* \section imb_dependencies Dependencies
*
* IMB needs:
* - \ref DNA module
* The listbase types are used for handling the memory
* management.
* - \ref blenlib module
* blenlib handles guarded memory management in blender-style.
* BLI_winstuff.h makes a few windows specific behaviors
* posix-compliant.
*/
#ifndef __IMB_IMBUF_H__
#define __IMB_IMBUF_H__
#define IM_MAX_SPACE 64
/* for bool */
#include "../blenlib/BLI_sys_types.h"
/**
*
* \attention defined in ???
*/
struct ImBuf;
/**
*
* \attention defined in ???
*/
struct anim;
struct ColorManagedDisplay;
struct GSet;
/**
*
* \attention defined in DNA_scene_types.h
*/
struct ImageFormatData;
struct Stereo3dFormat;
/**
*
* \attention Defined in allocimbuf.c
*/
void IMB_init(void);
void IMB_exit(void);
/**
*
* \attention Defined in readimage.c
*/
struct ImBuf *IMB_ibImageFromMemory(const unsigned char *mem,
size_t size,
int flags,
char colorspace[IM_MAX_SPACE],
const char *descr);
/**
*
* \attention Defined in readimage.c
*/
struct ImBuf *IMB_testiffname(const char *filepath, int flags);
/**
*
* \attention Defined in readimage.c
*/
struct ImBuf *IMB_loadiffname(const char *filepath, int flags, char colorspace[IM_MAX_SPACE]);
/**
*
* \attention Defined in allocimbuf.c
*/
void IMB_freeImBuf(struct ImBuf *ibuf);
/**
*
* \attention Defined in allocimbuf.c
*/
struct ImBuf *IMB_allocImBuf(unsigned int x,
unsigned int y,
unsigned char planes,
unsigned int flags);
/**
* Initialize given ImBuf.
*
* Use in cases when temporary image buffer is allocated on stack.
*
* \attention Defined in allocimbuf.c
*/
bool IMB_initImBuf(
struct ImBuf *ibuf, unsigned int x, unsigned int y, unsigned char planes, unsigned int flags);
/**
* Create a copy of a pixel buffer and wrap it to a new ImBuf
* \attention Defined in allocimbuf.c
*/
struct ImBuf *IMB_allocFromBuffer(const unsigned int *rect,
const float *rectf,
unsigned int w,
unsigned int h);
/**
*
* Increase reference count to imbuf
* (to delete an imbuf you have to call freeImBuf as many times as it
* is referenced)
*
* \attention Defined in allocimbuf.c
*/
void IMB_refImBuf(struct ImBuf *ibuf);
struct ImBuf *IMB_makeSingleUser(struct ImBuf *ibuf);
/**
*
* \attention Defined in allocimbuf.c
*/
struct ImBuf *IMB_dupImBuf(const struct ImBuf *ibuf1);
/**
*
* \attention Defined in allocimbuf.c
*/
bool addzbufImBuf(struct ImBuf *ibuf);
bool addzbuffloatImBuf(struct ImBuf *ibuf);
/**
* Approximate size of ImBuf in memory
*
* \attention Defined in allocimbuf.c
*/
size_t IMB_get_size_in_memory(struct ImBuf *ibuf);
/**
*
* \attention Defined in rectop.c
*/
typedef enum IMB_BlendMode {
IMB_BLEND_MIX = 0,
IMB_BLEND_ADD = 1,
IMB_BLEND_SUB = 2,
IMB_BLEND_MUL = 3,
IMB_BLEND_LIGHTEN = 4,
IMB_BLEND_DARKEN = 5,
IMB_BLEND_ERASE_ALPHA = 6,
IMB_BLEND_ADD_ALPHA = 7,
IMB_BLEND_OVERLAY = 8,
IMB_BLEND_HARDLIGHT = 9,
IMB_BLEND_COLORBURN = 10,
IMB_BLEND_LINEARBURN = 11,
IMB_BLEND_COLORDODGE = 12,
IMB_BLEND_SCREEN = 13,
IMB_BLEND_SOFTLIGHT = 14,
IMB_BLEND_PINLIGHT = 15,
IMB_BLEND_VIVIDLIGHT = 16,
IMB_BLEND_LINEARLIGHT = 17,
IMB_BLEND_DIFFERENCE = 18,
IMB_BLEND_EXCLUSION = 19,
IMB_BLEND_HUE = 20,
IMB_BLEND_SATURATION = 21,
IMB_BLEND_LUMINOSITY = 22,
IMB_BLEND_COLOR = 23,
IMB_BLEND_INTERPOLATE = 24,
IMB_BLEND_COPY = 1000,
IMB_BLEND_COPY_RGB = 1001,
IMB_BLEND_COPY_ALPHA = 1002,
} IMB_BlendMode;
void IMB_blend_color_byte(unsigned char dst[4],
unsigned char src1[4],
unsigned char src2[4],
IMB_BlendMode mode);
void IMB_blend_color_float(float dst[4], float src1[4], float src2[4], IMB_BlendMode mode);
void IMB_rectclip(struct ImBuf *dbuf,
struct ImBuf *sbuf,
int *destx,
int *desty,
int *srcx,
int *srcy,
int *width,
int *height);
void IMB_rectcpy(struct ImBuf *drect,
struct ImBuf *srect,
int destx,
int desty,
int srcx,
int srcy,
int width,
int height);
void IMB_rectblend(struct ImBuf *dbuf,
struct ImBuf *obuf,
struct ImBuf *sbuf,
unsigned short *dmask,
unsigned short *curvemask,
unsigned short *mmask,
float mask_max,
int destx,
int desty,
int origx,
int origy,
int srcx,
int srcy,
int width,
int height,
IMB_BlendMode mode,
bool accumulate);
void IMB_rectblend_threaded(struct ImBuf *dbuf,
struct ImBuf *obuf,
struct ImBuf *sbuf,
unsigned short *dmask,
unsigned short *curvemask,
unsigned short *mmask,
float mask_max,
int destx,
int desty,
int origx,
int origy,
int srcx,
int srcy,
int width,
int height,
IMB_BlendMode mode,
bool accumulate);
/**
*
* \attention Defined in indexer.c
*/
typedef enum IMB_Timecode_Type {
/** Don't use timecode files at all. */
IMB_TC_NONE = 0,
/** use images in the order as they are recorded
* (currently, this is the only one implemented
* and is a sane default) */
IMB_TC_RECORD_RUN = 1,
/** Use global timestamp written by recording
* device (prosumer camcorders e.g. can do that). */
IMB_TC_FREE_RUN = 2,
/** Interpolate a global timestamp using the
* record date and time written by recording
* device (*every* consumer camcorder can do
* that :) )*/
IMB_TC_INTERPOLATED_REC_DATE_FREE_RUN = 4,
IMB_TC_RECORD_RUN_NO_GAPS = 8,
IMB_TC_MAX_SLOT = 4,
} IMB_Timecode_Type;
typedef enum IMB_Proxy_Size {
IMB_PROXY_NONE = 0,
IMB_PROXY_25 = 1,
IMB_PROXY_50 = 2,
IMB_PROXY_75 = 4,
IMB_PROXY_100 = 8,
IMB_PROXY_MAX_SLOT = 4,
} IMB_Proxy_Size;
/* defaults to BL_proxy within the directory of the animation */
void IMB_anim_set_index_dir(struct anim *anim, const char *dir);
void IMB_anim_get_fname(struct anim *anim, char *file, int size);
int IMB_anim_index_get_frame_index(struct anim *anim, IMB_Timecode_Type tc, int position);
IMB_Proxy_Size IMB_anim_proxy_get_existing(struct anim *anim);
struct IndexBuildContext;
/* prepare context for proxies/imecodes builder */
struct IndexBuildContext *IMB_anim_index_rebuild_context(struct anim *anim,
IMB_Timecode_Type tcs_in_use,
IMB_Proxy_Size proxy_sizes_in_use,
int quality,
const bool overwite,
struct GSet *file_list);
/* will rebuild all used indices and proxies at once */
void IMB_anim_index_rebuild(struct IndexBuildContext *context,
short *stop,
short *do_update,
float *progress);
/* finish rebuilding proxises/timecodes and free temporary contexts used */
void IMB_anim_index_rebuild_finish(struct IndexBuildContext *context, short stop);
/**
* Return the length (in frames) of the given \a anim.
*/
int IMB_anim_get_duration(struct anim *anim, IMB_Timecode_Type tc);
/**
* Return the fps contained in movie files (function rval is false,
* and frs_sec and frs_sec_base untouched if none available!)
*/
bool IMB_anim_get_fps(struct anim *anim, short *frs_sec, float *frs_sec_base, bool no_av_base);
/**
*
* \attention Defined in anim_movie.c
*/
struct anim *IMB_open_anim(const char *name,
int ib_flags,
int streamindex,
char colorspace[IM_MAX_SPACE]);
void IMB_suffix_anim(struct anim *anim, const char *suffix);
void IMB_close_anim(struct anim *anim);
void IMB_close_anim_proxies(struct anim *anim);
/**
*
* \attention Defined in anim_movie.c
*/
int ismovie(const char *filepath);
void IMB_anim_set_preseek(struct anim *anim, int preseek);
int IMB_anim_get_preseek(struct anim *anim);
/**
*
* \attention Defined in anim_movie.c
*/
struct ImBuf *IMB_anim_absolute(struct anim *anim,
int position,
IMB_Timecode_Type tc /* = 1 = IMB_TC_RECORD_RUN */,
IMB_Proxy_Size preview_size /* = 0 = IMB_PROXY_NONE */);
/**
*
* \attention Defined in anim_movie.c
* fetches a define previewframe, usually half way into the movie
*/
struct ImBuf *IMB_anim_previewframe(struct anim *anim);
/**
*
* \attention Defined in anim_movie.c
*/
void IMB_free_anim(struct anim *anim);
/**
*
* \attention Defined in filter.c
*/
#define FILTER_MASK_NULL 0
#define FILTER_MASK_MARGIN 1
#define FILTER_MASK_USED 2
void IMB_filter(struct ImBuf *ibuf);
void IMB_mask_filter_extend(char *mask, int width, int height);
void IMB_mask_clear(struct ImBuf *ibuf, char *mask, int val);
void IMB_filter_extend(struct ImBuf *ibuf, char *mask, int filter);
void IMB_makemipmap(struct ImBuf *ibuf, int use_filter);
void IMB_remakemipmap(struct ImBuf *ibuf, int use_filter);
struct ImBuf *IMB_getmipmap(struct ImBuf *ibuf, int level);
/**
*
* \attention Defined in cache.c
*/
void IMB_tile_cache_params(int totthread, int maxmem);
unsigned int *IMB_gettile(struct ImBuf *ibuf, int tx, int ty, int thread);
void IMB_tiles_to_rect(struct ImBuf *ibuf);
/**
*
* \attention Defined in filter.c
*/
void IMB_filtery(struct ImBuf *ibuf);
/**
*
* \attention Defined in scaling.c
*/
struct ImBuf *IMB_onehalf(struct ImBuf *ibuf1);
/**
*
* \attention Defined in scaling.c
*/
bool IMB_scaleImBuf(struct ImBuf *ibuf, unsigned int newx, unsigned int newy);
/**
*
* \attention Defined in scaling.c
*/
bool IMB_scalefastImBuf(struct ImBuf *ibuf, unsigned int newx, unsigned int newy);
/**
*
* \attention Defined in scaling.c
*/
void IMB_scaleImBuf_threaded(struct ImBuf *ibuf, unsigned int newx, unsigned int newy);
/**
*
* \attention Defined in writeimage.c
*/
short IMB_saveiff(struct ImBuf *ibuf, const char *filepath, int flags);
bool IMB_prepare_write_ImBuf(const bool isfloat, struct ImBuf *ibuf);
/**
*
* \attention Defined in util.c
*/
bool IMB_ispic(const char *name);
int IMB_ispic_type(const char *name);
/**
*
* \attention Defined in util.c
*/
bool IMB_isanim(const char *name);
/**
*
* \attention Defined in util.c
*/
int imb_get_anim_type(const char *name);
/**
*
* \attention Defined in util.c
*/
bool IMB_isfloat(struct ImBuf *ibuf);
/* create char buffer, color corrected if necessary, for ImBufs that lack one */
void IMB_rect_from_float(struct ImBuf *ibuf);
void IMB_float_from_rect(struct ImBuf *ibuf);
void IMB_color_to_bw(struct ImBuf *ibuf);
void IMB_saturation(struct ImBuf *ibuf, float sat);
/* converting pixel buffers */
void IMB_buffer_byte_from_float(unsigned char *rect_to,
const float *rect_from,
int channels_from,
float dither,
int profile_to,
int profile_from,
bool predivide,
int width,
int height,
int stride_to,
int stride_from);
void IMB_buffer_byte_from_float_mask(unsigned char *rect_to,
const float *rect_from,
int channels_from,
float dither,
bool predivide,
int width,
int height,
int stride_to,
int stride_from,
char *mask);
void IMB_buffer_float_from_byte(float *rect_to,
const unsigned char *rect_from,
int profile_to,
int profile_from,
bool predivide,
int width,
int height,
int stride_to,
int stride_from);
void IMB_buffer_float_from_float(float *rect_to,
const float *rect_from,
int channels_from,
int profile_to,
int profile_from,
bool predivide,
int width,
int height,
int stride_to,
int stride_from);
void IMB_buffer_float_from_float_threaded(float *rect_to,
const float *rect_from,
int channels_from,
int profile_to,
int profile_from,
bool predivide,
int width,
int height,
int stride_to,
int stride_from);
void IMB_buffer_float_from_float_mask(float *rect_to,
const float *rect_from,
int channels_from,
int width,
int height,
int stride_to,
int stride_from,
char *mask);
void IMB_buffer_byte_from_byte(unsigned char *rect_to,
const unsigned char *rect_from,
int profile_to,
int profile_from,
bool predivide,
int width,
int height,
int stride_to,
int stride_from);
void IMB_buffer_float_unpremultiply(float *buf, int width, int height);
void IMB_buffer_float_premultiply(float *buf, int width, int height);
/**
* Change the ordering of the color bytes pointed to by rect from
* rgba to abgr. size * 4 color bytes are reordered.
*
* \attention Defined in imageprocess.c
*/
void IMB_convert_rgba_to_abgr(struct ImBuf *ibuf);
/**
*
* \attention defined in imageprocess.c
*/
void bicubic_interpolation(
struct ImBuf *in, struct ImBuf *out, float u, float v, int xout, int yout);
void nearest_interpolation(
struct ImBuf *in, struct ImBuf *out, float u, float v, int xout, int yout);
void bilinear_interpolation(
struct ImBuf *in, struct ImBuf *out, float u, float v, int xout, int yout);
void bicubic_interpolation_color(
struct ImBuf *in, unsigned char col[4], float col_float[4], float u, float v);
void nearest_interpolation_color(
struct ImBuf *in, unsigned char col[4], float col_float[4], float u, float v);
void nearest_interpolation_color_wrap(
struct ImBuf *in, unsigned char col[4], float col_float[4], float u, float v);
void bilinear_interpolation_color(
struct ImBuf *in, unsigned char col[4], float col_float[4], float u, float v);
void bilinear_interpolation_color_wrap(
struct ImBuf *in, unsigned char col[4], float col_float[4], float u, float v);
void IMB_alpha_under_color_float(float *rect_float, int x, int y, float backcol[3]);
void IMB_alpha_under_color_byte(unsigned char *rect, int x, int y, float backcol[3]);
/**
*
* \attention defined in readimage.c
*/
struct ImBuf *IMB_loadifffile(
int file, const char *filepath, int flags, char colorspace[IM_MAX_SPACE], const char *descr);
/**
*
* \attention defined in scaling.c
*/
struct ImBuf *IMB_half_x(struct ImBuf *ibuf1);
/**
*
* \attention defined in scaling.c
*/
struct ImBuf *IMB_double_fast_x(struct ImBuf *ibuf1);
/**
*
* \attention defined in scaling.c
*/
struct ImBuf *IMB_double_x(struct ImBuf *ibuf1);
/**
*
* \attention defined in scaling.c
*/
struct ImBuf *IMB_half_y(struct ImBuf *ibuf1);
/**
*
* \attention defined in scaling.c
*/
struct ImBuf *IMB_double_fast_y(struct ImBuf *ibuf1);
/**
*
* \attention defined in scaling.c
*/
struct ImBuf *IMB_double_y(struct ImBuf *ibuf1);
/**
*
* \attention Defined in rotate.c
*/
void IMB_flipx(struct ImBuf *ibuf);
void IMB_flipy(struct ImBuf *ibuf);
/* Premultiply alpha */
void IMB_premultiply_alpha(struct ImBuf *ibuf);
void IMB_unpremultiply_alpha(struct ImBuf *ibuf);
/**
*
* \attention Defined in allocimbuf.c
*/
void IMB_freezbufImBuf(struct ImBuf *ibuf);
void IMB_freezbuffloatImBuf(struct ImBuf *ibuf);
/**
*
* \attention Defined in rectop.c
*/
void IMB_rectfill(struct ImBuf *drect, const float col[4]);
void IMB_rectfill_area(struct ImBuf *ibuf,
const float col[4],
int x1,
int y1,
int x2,
int y2,
struct ColorManagedDisplay *display);
void IMB_rectfill_alpha(struct ImBuf *ibuf, const float value);
/* This should not be here, really,
* we needed it for operating on render data, IMB_rectfill_area calls it. */
void buf_rectfill_area(unsigned char *rect,
float *rectf,
int width,
int height,
const float col[4],
struct ColorManagedDisplay *display,
int x1,
int y1,
int x2,
int y2);
/* exported for image tools in blender, to quickly allocate 32 bits rect */
void *imb_alloc_pixels(
unsigned int x, unsigned int y, unsigned int channels, size_t typesize, const char *name);
bool imb_addrectImBuf(struct ImBuf *ibuf);
void imb_freerectImBuf(struct ImBuf *ibuf);
bool imb_addrectfloatImBuf(struct ImBuf *ibuf);
void imb_freerectfloatImBuf(struct ImBuf *ibuf);
void imb_freemipmapImBuf(struct ImBuf *ibuf);
bool imb_addtilesImBuf(struct ImBuf *ibuf);
void imb_freetilesImBuf(struct ImBuf *ibuf);
/* threaded processors */
void IMB_processor_apply_threaded(
int buffer_lines,
int handle_size,
void *init_customdata,
void(init_handle)(void *handle, int start_line, int tot_line, void *customdata),
void *(do_thread)(void *));
typedef void (*ScanlineThreadFunc)(void *custom_data, int start_scanline, int num_scanlines);
void IMB_processor_apply_threaded_scanlines(int total_scanlines,
ScanlineThreadFunc do_thread,
void *custom_data);
/* ffmpeg */
void IMB_ffmpeg_init(void);
const char *IMB_ffmpeg_last_error(void);
/**
*
* \attention defined in stereoimbuf.c
*/
void IMB_stereo3d_write_dimensions(const char mode,
const bool is_squeezed,
const size_t width,
const size_t height,
size_t *r_width,
size_t *r_height);
void IMB_stereo3d_read_dimensions(const char mode,
const bool is_squeezed,
const size_t width,
const size_t height,
size_t *r_width,
size_t *r_height);
int *IMB_stereo3d_from_rect(struct ImageFormatData *im_format,
const size_t x,
const size_t y,
const size_t channels,
int *rect_left,
int *rect_right);
float *IMB_stereo3d_from_rectf(struct ImageFormatData *im_format,
const size_t x,
const size_t y,
const size_t channels,
float *rectf_left,
float *rectf_right);
struct ImBuf *IMB_stereo3d_ImBuf(struct ImageFormatData *im_format,
struct ImBuf *ibuf_left,
struct ImBuf *ibuf_right);
void IMB_ImBufFromStereo3d(struct Stereo3dFormat *s3d,
struct ImBuf *ibuf_stereo,
struct ImBuf **r_ibuf_left,
struct ImBuf **r_ibuf_right);
#endif
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