Blender: blender::bke::image::partial_update::TileChangeset Struct Reference

Blender V5.0

Dirty chunks of an ImageTile. More...

Public Member Functions
void	clear ()
bool	update_resolution (const ImBuf *image_buffer)
	Update the resolution of the tile.
void	mark_region (const rcti *updated_region)
void	mark_chunks_dirty (int start_x_chunk, int start_y_chunk, int end_x_chunk, int end_y_chunk)
bool	has_dirty_chunks () const
void	init_chunks (int chunk_x_len_, int chunk_y_len_)
void	merge (const TileChangeset &other)
	Merge the given changeset into the receiver.
bool	is_chunk_dirty (int chunk_x, int chunk_y) const
	has a chunk changed inside this changeset.

Public Attributes
int	tile_width
	Width of the tile in pixels.
int	tile_height
	Height of the tile in pixels.
int	chunk_x_len
	Number of chunks along the x-axis.
int	chunk_y_len
	Number of chunks along the y-axis.
TileNumber	tile_number

Detailed Description

Dirty chunks of an ImageTile.

Internally dirty tiles are grouped together in change sets to make sure that the correct answer can be built for different users reducing the amount of merges.

Definition at line 163 of file image_partial_update.cc.

Member Function Documentation

◆ clear()

void blender::bke::image::partial_update::TileChangeset::clear ( )

inline

Definition at line 182 of file image_partial_update.cc.

References chunk_x_len, chunk_y_len, and init_chunks().

◆ has_dirty_chunks()

bool blender::bke::image::partial_update::TileChangeset::has_dirty_chunks ( ) const

inline

Definition at line 249 of file image_partial_update.cc.

Referenced by init_chunks(), blender::bke::image::partial_update::PartialUpdateRegisterImpl::mark_region(), and blender::bke::image::partial_update::PartialUpdateRegisterImpl::update_resolution().

◆ init_chunks()

void blender::bke::image::partial_update::TileChangeset::init_chunks	(	int	chunk_x_len_,
		int	chunk_y_len_ )

inline

Definition at line 254 of file image_partial_update.cc.

References chunk_x_len, chunk_y_len, has_dirty_chunks(), and min_ii().

Referenced by clear(), and update_resolution().

◆ is_chunk_dirty()

bool blender::bke::image::partial_update::TileChangeset::is_chunk_dirty	(	int	chunk_x,
		int	chunk_y ) const

inline

has a chunk changed inside this changeset.

Definition at line 288 of file image_partial_update.cc.

References chunk_x_len.

◆ mark_chunks_dirty()

void blender::bke::image::partial_update::TileChangeset::mark_chunks_dirty	(	int	start_x_chunk,
		int	start_y_chunk,
		int	end_x_chunk,
		int	end_y_chunk )

inline

Definition at line 238 of file image_partial_update.cc.

References chunk_x_len.

Referenced by mark_region().

◆ mark_region()

void blender::bke::image::partial_update::TileChangeset::mark_region ( const rcti * updated_region )

inline

Definition at line 208 of file image_partial_update.cc.

References blender::bke::image::partial_update::chunk_number_for_pixel(), chunk_x_len, chunk_y_len, mark_chunks_dirty(), max_ii(), min_ii(), rcti::xmax, rcti::xmin, rcti::ymax, and rcti::ymin.

Referenced by blender::bke::image::partial_update::PartialUpdateRegisterImpl::mark_region().

◆ merge()

void blender::bke::image::partial_update::TileChangeset::merge ( const TileChangeset & other )

inline

Merge the given changeset into the receiver.

Definition at line 274 of file image_partial_update.cc.

References BLI_assert, chunk_x_len, and chunk_y_len.

◆ update_resolution()

bool blender::bke::image::partial_update::TileChangeset::update_resolution ( const ImBuf * image_buffer )

inline

Update the resolution of the tile.

Returns: true: resolution has been updated. false: resolution was unchanged.

Definition at line 193 of file image_partial_update.cc.

References blender::bke::image::partial_update::CHUNK_SIZE, chunk_x_len, chunk_y_len, init_chunks(), tile_height, tile_width, ImBuf::x, and ImBuf::y.

Referenced by blender::bke::image::partial_update::PartialUpdateRegisterImpl::update_resolution().

Member Data Documentation

◆ chunk_x_len

int blender::bke::image::partial_update::TileChangeset::chunk_x_len

Number of chunks along the x-axis.

Definition at line 176 of file image_partial_update.cc.

Referenced by blender::bke::image::partial_update::PartialUpdateRegisterImpl::changed_tile_chunks_since(), clear(), init_chunks(), is_chunk_dirty(), mark_chunks_dirty(), mark_region(), merge(), and update_resolution().

◆ chunk_y_len

int blender::bke::image::partial_update::TileChangeset::chunk_y_len

Number of chunks along the y-axis.

Definition at line 178 of file image_partial_update.cc.

Referenced by blender::bke::image::partial_update::PartialUpdateRegisterImpl::changed_tile_chunks_since(), clear(), init_chunks(), mark_region(), merge(), and update_resolution().

◆ tile_height

int blender::bke::image::partial_update::TileChangeset::tile_height

Height of the tile in pixels.

Definition at line 174 of file image_partial_update.cc.

Referenced by update_resolution().

◆ tile_number

TileNumber blender::bke::image::partial_update::TileChangeset::tile_number

Definition at line 180 of file image_partial_update.cc.

Referenced by blender::bke::image::partial_update::Changeset::operator[]().

◆ tile_width

int blender::bke::image::partial_update::TileChangeset::tile_width

Width of the tile in pixels.

Definition at line 172 of file image_partial_update.cc.

Referenced by update_resolution().

The documentation for this struct was generated from the following file:

image_partial_update.cc