bitmap.c File Reference

#include <limits.h>
#include <string.h>
#include "BLI_bitmap.h"
#include "BLI_math_bits.h"
#include "BLI_utildefines.h"

Go to the source code of this file.

Functions
void	BLI_bitmap_set_all (BLI_bitmap *bitmap, bool set, size_t bits)
void	BLI_bitmap_flip_all (BLI_bitmap *bitmap, size_t bits)
void	BLI_bitmap_copy_all (BLI_bitmap *dst, const BLI_bitmap *src, size_t bits)
void	BLI_bitmap_and_all (BLI_bitmap *dst, const BLI_bitmap *src, size_t bits)
void	BLI_bitmap_or_all (BLI_bitmap *dst, const BLI_bitmap *src, size_t bits)
int	BLI_bitmap_find_first_unset (const BLI_bitmap *bitmap, const size_t bits)

Detailed Description

Utility functions for variable size bit-masks.

Definition in file bitmap.c.

Function Documentation

BLI_bitmap_and_all()

void BLI_bitmap_and_all	(	BLI_bitmap *	dst,
		const BLI_bitmap *	src,
		size_t	bits )

Combine two bitmaps with boolean AND.

Definition at line 36 of file bitmap.c.

References _BITMAP_NUM_BLOCKS.

BLI_bitmap_copy_all()

void BLI_bitmap_copy_all	(	BLI_bitmap *	dst,
		const BLI_bitmap *	src,
		size_t	bits )

Copy all bits from one bitmap to another.

Definition at line 31 of file bitmap.c.

References BLI_BITMAP_SIZE.

Referenced by nlaevalchan_blendOrcombine_try_copy_to_lower().

BLI_bitmap_find_first_unset()

int BLI_bitmap_find_first_unset	(	const BLI_bitmap *	bitmap,
		size_t	bits )

Find index of the lowest unset bit. Returns -1 if all the bits are set.

Definition at line 52 of file bitmap.c.

References _BITMAP_NUM_BLOCKS, _BITMAP_POWER, bitscan_forward_uint(), BLI_assert, and result.

Referenced by blender::tests::TEST(), blender::tests::TEST(), blender::tests::TEST(), and UniqueName_Value::use_smallest_unused().

BLI_bitmap_flip_all()

void BLI_bitmap_flip_all	(	BLI_bitmap *	bitmap,
		size_t	bits )

Invert all bits in the bitmap.

Definition at line 23 of file bitmap.c.

References _BITMAP_NUM_BLOCKS.

Referenced by blender::tests::TEST(), and blender::tests::TEST().

BLI_bitmap_or_all()

void BLI_bitmap_or_all	(	BLI_bitmap *	dst,
		const BLI_bitmap *	src,
		size_t	bits )

Combine two bitmaps with boolean OR.

Definition at line 44 of file bitmap.c.

References _BITMAP_NUM_BLOCKS.

BLI_bitmap_set_all()

void BLI_bitmap_set_all	(	BLI_bitmap *	bitmap,
		bool	set,
		size_t	bits )

Set or clear all bits in the bitmap.

Definition at line 18 of file bitmap.c.

References BLI_BITMAP_SIZE.

Referenced by BLI_astar_graph_solve(), DRW_sparse_uniform_buffer_clear(), gpencil_layer_cache_add(), grease_pencil_layer_cache_add(), nla_eval_domain_action(), nlaevalchan_blendOrcombine_get_inverted_upper_evalchan(), nlaevalchan_combine_quaternion_get_inverted_lower_evalchan(), nlaevalchan_combine_quaternion_get_inverted_upper_evalchan(), nlaevalchan_combine_quaternion_handle_undefined_blend_values(), nlasnapshot_enable_all_blend_domain(), and nlasnapshot_from_action().