filter.c File Reference

#include <math.h>
#include "MEM_guardedalloc.h"
#include "BLI_math_base.h"
#include "BLI_utildefines.h"
#include "IMB_filter.h"
#include "IMB_imbuf.h"
#include "IMB_imbuf_types.h"
#include "imbuf.h"

Go to the source code of this file.

Functions
static void	filtrow (unsigned char *point, int x)
static void	filtrowf (float *point, int x)
static void	filtcolum (unsigned char *point, int y, int skip)
static void	filtcolumf (float *point, int y, int skip)
void	IMB_filtery (struct ImBuf *ibuf)
void	imb_filterx (struct ImBuf *ibuf)
static void	imb_filterN (ImBuf *out, ImBuf *in)
void	IMB_filter (struct ImBuf *ibuf)
void	IMB_mask_filter_extend (char *mask, int width, int height)
void	IMB_mask_clear (ImBuf *ibuf, const char *mask, int val)
static int	filter_make_index (const int x, const int y, const int w, const int h)
static int	check_pixel_assigned (const void *buffer, const char *mask, const int index, const int depth, const bool is_float)
void	IMB_filter_extend (struct ImBuf *ibuf, char *mask, int filter)
void	IMB_remakemipmap (ImBuf *ibuf, int use_filter)
void	IMB_makemipmap (ImBuf *ibuf, int use_filter)
ImBuf *	IMB_getmipmap (ImBuf *ibuf, int level)
void	IMB_premultiply_rect (unsigned int *rect, char planes, int w, int h)
void	IMB_premultiply_rect_float (float *rect_float, int channels, int w, int h)
void	IMB_premultiply_alpha (ImBuf *ibuf)
void	IMB_unpremultiply_rect (unsigned int *rect, char planes, int w, int h)
void	IMB_unpremultiply_rect_float (float *rect_float, int channels, int w, int h)
void	IMB_unpremultiply_alpha (ImBuf *ibuf)

Function Documentation

check_pixel_assigned()

static int check_pixel_assigned ( const void *  buffer, const char *  mask, const int  index, const int  depth, const bool  is_float  )

static

Definition at line 403 of file filter.c.

References buffer, mask(), and NULL.

Referenced by IMB_filter_extend().

filtcolum()

static void filtcolum ( unsigned char *  point, int  y, int  skip  )

static

Definition at line 76 of file filter.c.

References error(), and y.

Referenced by IMB_filtery().

filtcolumf()

static void filtcolumf ( float *  point, int  y, int  skip  )

static

Definition at line 99 of file filter.c.

References y.

Referenced by IMB_filtery().

filter_make_index()

static int filter_make_index ( const int  x, const int  y, const int  w, const int  h  )

static

Definition at line 394 of file filter.c.

References w(), x, and y.

Referenced by IMB_filter_extend().

filtrow()

static void filtrow ( unsigned char *  point, int  x  )

static

Definition at line 38 of file filter.c.

References error(), and x.

Referenced by imb_filterx().

filtrowf()

static void filtrowf ( float *  point, int  x  )

static

Definition at line 58 of file filter.c.

References x.

Referenced by imb_filterx().

IMB_filter()

void IMB_filter

(

struct ImBuf *

ibuf

)

Definition at line 318 of file filter.c.

References imb_filterx(), and IMB_filtery().

IMB_filter_extend()

void IMB_filter_extend	(	struct ImBuf *	ibuf,
		char *	mask,
		int	filter
	)

if alpha is zero, it checks surrounding pixels and averages color. sets new alphas to 1.0

When a mask is given, only effect pixels with a mask value of 1, defined as #BAKE_MASK_MARGIN in rendercore.c

Definition at line 429 of file filter.c.

References Freestyle::c, check_pixel_assigned(), filter(), filter_make_index(), FILTER_MASK_MARGIN, float(), height, mask(), MEM_dupallocN, MEM_freeN, NULL, r, ImBuf::rect, ImBuf::rect_float, sqrt(), width, x, ImBuf::x, y, and ImBuf::y.

Referenced by bake_ibuf_filter(), and RE_bake_margin().

imb_filterN()

static void imb_filterN ( ImBuf *  out, ImBuf *  in  )

static

Definition at line 201 of file filter.c.

References BLI_assert, ImBuf::channels, ImBuf::rect, ImBuf::rect_float, x, ImBuf::x, y, and ImBuf::y.

Referenced by IMB_makemipmap(), and IMB_remakemipmap().

imb_filterx()

void imb_filterx

(

struct ImBuf *

ibuf

)

Definition at line 160 of file filter.c.

References filtrow(), filtrowf(), ImBuf::planes, ImBuf::rect, ImBuf::rect_float, x, ImBuf::x, y, and ImBuf::y.

Referenced by IMB_double_x(), and IMB_filter().

IMB_filtery()

void IMB_filtery

(

struct ImBuf *

ibuf

)

Attention

Defined in filter.c

Definition at line 119 of file filter.c.

References filtcolum(), filtcolumf(), ImBuf::planes, ImBuf::rect, ImBuf::rect_float, x, ImBuf::x, y, and ImBuf::y.

Referenced by IMB_anim_absolute(), IMB_double_y(), IMB_filter(), and input_preprocess().

IMB_getmipmap()

ImBuf* IMB_getmipmap	(	ImBuf *	ibuf,
		int	level
	)

Definition at line 635 of file filter.c.

References CLAMP, ImBuf::mipmap, and ImBuf::miptot.

Referenced by IMB_tiles_to_rect().

IMB_makemipmap()

void IMB_makemipmap	(	ImBuf *	ibuf,
		int	use_filter
	)

Definition at line 598 of file filter.c.

References ImBuf::channels, ImBuf::flags, IMB_allocImBuf(), imb_filterN(), IMB_freeImBuf(), imb_freemipmapImBuf(), IMB_MIPMAP_LEVELS, IMB_onehalf(), ImBuf::miplevel, ImBuf::mipmap, ImBuf::miptot, ImBuf::planes, ImBuf::rect_float, ImBuf::x, and ImBuf::y.

Referenced by image_mipmap_test().

IMB_mask_clear()

void IMB_mask_clear	(	ImBuf *	ibuf,
		const char *	mask,
		int	val
	)

Definition at line 368 of file filter.c.

References col, mask(), ImBuf::rect, ImBuf::rect_float, x, ImBuf::x, y, and ImBuf::y.

IMB_mask_filter_extend()

void IMB_mask_filter_extend	(	char *	mask,
		int	width,
		int	height
	)

Definition at line 324 of file filter.c.

References FILTER_MASK_MARGIN, height, mask(), MEM_dupallocN, MEM_freeN, width, x, and y.

IMB_premultiply_alpha()

void IMB_premultiply_alpha

(

ImBuf *

ibuf

)

Definition at line 687 of file filter.c.

References ImBuf::channels, IMB_premultiply_rect(), IMB_premultiply_rect_float(), NULL, ImBuf::planes, ImBuf::rect, ImBuf::rect_float, ImBuf::x, and ImBuf::y.

Referenced by BKE_previewimg_ensure(), icon_preview_startjob(), imb_handle_alpha(), UI_icon_alert_imbuf_get(), UI_icons_reload_internal_textures(), wm_block_create_about(), and wm_block_splash_image().

IMB_premultiply_rect()

void IMB_premultiply_rect	(	unsigned int *	rect,
		char	planes,
		int	w,
		int	h
	)

Definition at line 641 of file filter.c.

References w(), x, and y.

Referenced by IMB_premultiply_alpha().

IMB_premultiply_rect_float()

void IMB_premultiply_rect_float	(	float *	rect_float,
		int	channels,
		int	w,
		int	h
	)

Definition at line 669 of file filter.c.

References w(), x, and y.

Referenced by do_processor_transform_thread(), IMB_colormanagement_transform_from_byte_threaded(), IMB_float_from_rect(), and IMB_premultiply_alpha().

IMB_remakemipmap()

void IMB_remakemipmap	(	ImBuf *	ibuf,
		int	use_filter
	)

Definition at line 561 of file filter.c.

References ImBuf::flags, IMB_allocImBuf(), imb_filterN(), IMB_freeImBuf(), IMB_MIPMAP_LEVELS, imb_onehalf_no_alloc(), ImBuf::miplevel, ImBuf::mipmap, ImBuf::miptot, ImBuf::planes, ImBuf::x, and ImBuf::y.

Referenced by image_mipmap_test().

IMB_unpremultiply_alpha()

void IMB_unpremultiply_alpha

(

ImBuf *

ibuf

)

Definition at line 749 of file filter.c.

References ImBuf::channels, IMB_unpremultiply_rect(), IMB_unpremultiply_rect_float(), NULL, ImBuf::planes, ImBuf::rect, ImBuf::rect_float, ImBuf::x, and ImBuf::y.

Referenced by imb_handle_alpha().

IMB_unpremultiply_rect()

void IMB_unpremultiply_rect	(	unsigned int *	rect,
		char	planes,
		int	w,
		int	h
	)

Definition at line 702 of file filter.c.

References float(), unit_float_to_uchar_clamp(), w(), x, and y.

Referenced by IMB_unpremultiply_alpha().

IMB_unpremultiply_rect_float()

void IMB_unpremultiply_rect_float	(	float *	rect_float,
		int	channels,
		int	w,
		int	h
	)

Definition at line 731 of file filter.c.

References w(), x, and y.

Referenced by IMB_rect_from_float(), and IMB_unpremultiply_alpha().