| Name | Description | |
|---|---|---|
 | OPT_PREFIX | The prefix for rate allocation options: 'A' |
The following tables list the members exposed by PostCompRateAllocator.
| Name | Description | |
|---|---|---|
| OPT_PREFIX | The prefix for rate allocation options: 'A' |
| Name | Description | |
|---|---|---|
 | HeaderEncoder | Keep a reference to the header encoder. |
| ImgHeight | Returns the overall height of the image in pixels. This is the image's height without accounting for any component subsampling or tiling.
This default implementation returns the value of the source. (Inherited from CSJ2K.j2k.image.ImgDataAdapter) |
| ImgULX | Returns the horizontal coordinate of the image origin, the top-left corner, in the canvas system, on the reference grid.
This default implementation returns the value of the source. (Inherited from CSJ2K.j2k.image.ImgDataAdapter) |
| ImgULY | Returns the vertical coordinate of the image origin, the top-left corner, in the canvas system, on the reference grid.
This default implementation returns the value of the source. (Inherited from CSJ2K.j2k.image.ImgDataAdapter) |
| ImgWidth | Returns the overall width of the image in pixels. This is the image's width without accounting for any component subsampling or tiling.
This default implementation returns the value of the source. (Inherited from CSJ2K.j2k.image.ImgDataAdapter) |
| NomTileHeight | Returns the nominal tiles height (Inherited from CSJ2K.j2k.image.ImgDataAdapter) |
| NomTileWidth | Returns the nominal tiles width (Inherited from CSJ2K.j2k.image.ImgDataAdapter) |
| NumComps | Returns the number of components in the image.
This default implementation returns the value of the source. (Inherited from CSJ2K.j2k.image.ImgDataAdapter) |
| NumLayers | Returns the number of layers that are actually generated. |
 | ParameterInfo | Returns the parameters that are used in this class and implementing classes. It returns a 2D String array. Each of the 1D arrays is for a different option, and they have 3 elements. The first element is the option name, the second one is the synopsis, the third one is a long description of what the parameter is and the fourth is its default value. The synopsis or description may be 'null', in which case it is assumed that there is no synopsis or description of the option, respectively. Null may be returned if no options are supported. |
| TileHeight | Returns the overall height of the current tile in pixels. This is the tile's height without accounting for any component subsampling. This is also referred as the reference grid height in the current tile.
This default implementation returns the value of the source. (Inherited from CSJ2K.j2k.image.ImgDataAdapter) |
| TileIdx | Returns the index of the current tile, relative to a standard scan-line order.
This default implementation returns the value of the source. (Inherited from CSJ2K.j2k.image.ImgDataAdapter) |
| TilePartULX | Returns the horizontal tile partition offset in the reference grid (Inherited from CSJ2K.j2k.image.ImgDataAdapter) |
| TilePartULY | Returns the vertical tile offset in the reference grid (Inherited from CSJ2K.j2k.image.ImgDataAdapter) |
| TileWidth | Returns the overall width of the current tile in pixels. This is the tile's width without accounting for any component subsampling. This is also referred as the reference grid width in the current tile.
This default implementation returns the value of the source. (Inherited from CSJ2K.j2k.image.ImgDataAdapter) |
| Name | Description | |
|---|---|---|
 | createInstance | Creates a PostCompRateAllocator object for the appropriate rate allocation parameters in the parameter list 'pl', having 'src' as the source of entropy coded data, 'rate' as the target bitrate and 'bw' as the bit stream writer object. |
| getCompImgHeight | Returns the height in pixels of the specified component in the overall image.
This default implementation returns the value of the source. (Inherited from CSJ2K.j2k.image.ImgDataAdapter) |
| getCompImgWidth | Returns the width in pixels of the specified component in the overall image.
This default implementation returns the value of the source. (Inherited from CSJ2K.j2k.image.ImgDataAdapter) |
| getCompSubsX | Returns the component subsampling factor in the horizontal direction, for the specified component. This is, approximately, the ratio of dimensions between the reference grid and the component itself, see the 'ImgData' interface desription for details.
This default implementation returns the value of the source. (Inherited from CSJ2K.j2k.image.ImgDataAdapter) |
| getCompSubsY | Returns the component subsampling factor in the vertical direction, for the specified component. This is, approximately, the ratio of dimensions between the reference grid and the component itself, see the 'ImgData' interface desription for details.
This default implementation returns the value of the source. (Inherited from CSJ2K.j2k.image.ImgDataAdapter) |
| getCompULX | Returns the horizontal coordinate of the upper-left corner of the specified component in the current tile.
This default implementation returns the value of the source. (Inherited from CSJ2K.j2k.image.ImgDataAdapter) |
| getCompULY | Returns the vertical coordinate of the upper-left corner of the specified component in the current tile.
This default implementation returns the value of the source. (Inherited from CSJ2K.j2k.image.ImgDataAdapter) |
| getNomRangeBits | (Inherited from CSJ2K.j2k.image.ImgDataAdapter) |
| getNumTiles | Overloaded. Returns the number of tiles in the horizontal and vertical directions.
This default implementation returns the value of the source. (Inherited from CSJ2K.j2k.image.ImgDataAdapter) |
| getTile | Returns the indexes of the current tile. These are the horizontal and vertical indexes of the current tile.
This default implementation returns the value of the source. (Inherited from CSJ2K.j2k.image.ImgDataAdapter) |
| getTileCompHeight | Returns the height in pixels of the specified tile-component.
This default implementation returns the value of the source. (Inherited from CSJ2K.j2k.image.ImgDataAdapter) |
| getTileCompWidth | Returns the width in pixels of the specified tile-component tile.
This default implementation returns the value of the source. (Inherited from CSJ2K.j2k.image.ImgDataAdapter) |
| initialize | Initializes the rate allocation points, taking into account header overhead and such. This method must be called after the header has been simulated but before calling the runAndWrite() one. The header must be rewritten after a call to this method since the number of layers may change. |
| nextTile | Advances to the next tile, in standard scan-line order (by rows then columns). An NoNextElementException is thrown if the current tile is the last one (i.e. there is no next tile).
This default implementation just advances to the next tile in the source. (Inherited from CSJ2K.j2k.image.ImgDataAdapter) |
| runAndWrite | Runs the rate allocation algorithm and writes the data to the bit stream. This must be called after the initialize() method. |
| setTile | Changes the current tile, given the new indexes. An IllegalArgumentException is thrown if the indexes do not correspond to a valid tile.
This default implementation just changes the tile in the source. (Inherited from CSJ2K.j2k.image.ImgDataAdapter) |