eff1ff4b41
* Fixed a typo in OpenJPEG.J2KLayerInfo (only affected debug display) git-svn-id: http://libopenmetaverse.googlecode.com/svn/libopenmetaverse/trunk@3118 52acb1d6-8a22-11de-b505-999d5b087335
418 lines
14 KiB
C#
418 lines
14 KiB
C#
/*
|
|
* CVS identifier:
|
|
*
|
|
* $Id: MultiResImgData.java,v 1.11 2002/07/25 15:11:33 grosbois Exp $
|
|
*
|
|
* Class: MultiResImgData
|
|
*
|
|
* Description: The interface for classes that provide
|
|
* multi-resolution image data.
|
|
*
|
|
*
|
|
*
|
|
* COPYRIGHT:
|
|
*
|
|
* This software module was originally developed by Raphaël Grosbois and
|
|
* Diego Santa Cruz (Swiss Federal Institute of Technology-EPFL); Joel
|
|
* Askelöf (Ericsson Radio Systems AB); and Bertrand Berthelot, David
|
|
* Bouchard, Félix Henry, Gerard Mozelle and Patrice Onno (Canon Research
|
|
* Centre France S.A) in the course of development of the JPEG2000
|
|
* standard as specified by ISO/IEC 15444 (JPEG 2000 Standard). This
|
|
* software module is an implementation of a part of the JPEG 2000
|
|
* Standard. Swiss Federal Institute of Technology-EPFL, Ericsson Radio
|
|
* Systems AB and Canon Research Centre France S.A (collectively JJ2000
|
|
* Partners) agree not to assert against ISO/IEC and users of the JPEG
|
|
* 2000 Standard (Users) any of their rights under the copyright, not
|
|
* including other intellectual property rights, for this software module
|
|
* with respect to the usage by ISO/IEC and Users of this software module
|
|
* or modifications thereof for use in hardware or software products
|
|
* claiming conformance to the JPEG 2000 Standard. Those intending to use
|
|
* this software module in hardware or software products are advised that
|
|
* their use may infringe existing patents. The original developers of
|
|
* this software module, JJ2000 Partners and ISO/IEC assume no liability
|
|
* for use of this software module or modifications thereof. No license
|
|
* or right to this software module is granted for non JPEG 2000 Standard
|
|
* conforming products. JJ2000 Partners have full right to use this
|
|
* software module for his/her own purpose, assign or donate this
|
|
* software module to any third party and to inhibit third parties from
|
|
* using this software module for non JPEG 2000 Standard conforming
|
|
* products. This copyright notice must be included in all copies or
|
|
* derivative works of this software module.
|
|
*
|
|
* Copyright (c) 1999/2000 JJ2000 Partners.
|
|
* */
|
|
using System;
|
|
using CSJ2K.j2k.image;
|
|
namespace CSJ2K.j2k.wavelet.synthesis
|
|
{
|
|
|
|
/// <summary> This interface defines methods to access image attributes (width, height,
|
|
/// number of components, etc.) of multiresolution images, such as those
|
|
/// resulting from an inverse wavelet transform. The image can be tiled or not
|
|
/// (i.e. if the image is not tiled then there is only 1 tile). It should be
|
|
/// implemented by all classes that provide multi-resolution image data, such
|
|
/// as entropy decoders, dequantizers, etc. This interface, however, does not
|
|
/// define methods to transfer image data (i.e. pixel data), that is defined by
|
|
/// other interfaces, such as 'CBlkQuantDataSrcDec'.
|
|
///
|
|
/// <p>This interface is very similar to the 'ImgData' one. It differs only by
|
|
/// the fact that it handles multiple resolutions.</p>
|
|
///
|
|
/// <p>Resolution levels are counted from 0 to L. Resolution level 0 is the
|
|
/// lower resolution, while L is the maximum resolution level, or full
|
|
/// resolution, which is returned by 'getMaxResLvl()'. Note that there are L+1
|
|
/// resolution levels available.</p>
|
|
///
|
|
/// <p>As in the 'ImgData' interface a multi-resolution image lies on top of a
|
|
/// canvas. The canvas coordinates are mapped from the full resolution
|
|
/// reference grid (i.e. resolution level 'L' reference grid) to a resolution
|
|
/// level 'l' reference grid by '(x_l,y_l) =
|
|
/// (ceil(x_l/2^(L-l)),ceil(y_l/2^(L-l)))', where '(x,y)' are the full
|
|
/// resolution reference grid coordinates and '(x_l,y_l)' are the level 'l'
|
|
/// reference grid coordinates.</p>
|
|
///
|
|
/// <p>For details on the canvas system and its implications consult the
|
|
/// 'ImgData' interface.</p>
|
|
///
|
|
/// <p>Note that tile sizes may not be obtained by simply dividing the tile
|
|
/// size in the reference grid by the subsampling factor.</p>
|
|
///
|
|
/// </summary>
|
|
/// <seealso cref="jj2000.j2k.image.ImgData">
|
|
///
|
|
/// </seealso>
|
|
/// <seealso cref="jj2000.j2k.quantization.dequantizer.CBlkQuantDataSrcDec">
|
|
///
|
|
/// </seealso>
|
|
public interface MultiResImgData
|
|
{
|
|
/// <summary>Returns the nominal tiles width </summary>
|
|
int NomTileWidth
|
|
{
|
|
get;
|
|
|
|
}
|
|
/// <summary>Returns the nominal tiles height </summary>
|
|
int NomTileHeight
|
|
{
|
|
get;
|
|
|
|
}
|
|
/// <summary> Returns the number of components in the image.
|
|
///
|
|
/// </summary>
|
|
/// <returns> The number of components in the image.
|
|
///
|
|
/// </returns>
|
|
int NumComps
|
|
{
|
|
get;
|
|
|
|
}
|
|
/// <summary> Returns the index of the current tile, relative to a standard scan-line
|
|
/// order.
|
|
///
|
|
/// </summary>
|
|
/// <returns> The current tile's index (starts at 0).
|
|
///
|
|
/// </returns>
|
|
int TileIdx
|
|
{
|
|
get;
|
|
|
|
}
|
|
/// <summary>Returns the horizontal tile partition offset in the reference grid </summary>
|
|
int TilePartULX
|
|
{
|
|
get;
|
|
|
|
}
|
|
/// <summary>Returns the vertical tile partition offset in the reference grid </summary>
|
|
int TilePartULY
|
|
{
|
|
get;
|
|
|
|
}
|
|
|
|
/// <summary> Returns the overall width of the current tile in pixels for the given
|
|
/// resolution level. This is the tile's width without accounting for any
|
|
/// component subsampling. The resolution level is indexed from the lowest
|
|
/// number of resolution levels of all components of the current tile.
|
|
///
|
|
/// </summary>
|
|
/// <param name="rl">The resolution level, from 0 to L.
|
|
///
|
|
/// </param>
|
|
/// <returns> The total current tile's width in pixels.
|
|
///
|
|
/// </returns>
|
|
int getTileWidth(int rl);
|
|
|
|
/// <summary> Returns the overall height of the current tile in pixels, for the given
|
|
/// resolution level. This is the tile's height without accounting for any
|
|
/// component subsampling. The resolution level is indexed from the lowest
|
|
/// number of resolution levels of all components of the current tile.
|
|
///
|
|
/// </summary>
|
|
/// <param name="rl">The resolution level, from 0 to L.
|
|
///
|
|
/// </param>
|
|
/// <returns> The total current tile's height in pixels.
|
|
///
|
|
/// </returns>
|
|
int getTileHeight(int rl);
|
|
|
|
/// <summary> Returns the overall width of the image in pixels, for the given
|
|
/// resolution level. This is the image's width without accounting for any
|
|
/// component subsampling or tiling. The resolution level is indexed from
|
|
/// the lowest number of resolution levels of all components of the current
|
|
/// tile.
|
|
///
|
|
/// </summary>
|
|
/// <param name="rl">The resolution level, from 0 to L.
|
|
///
|
|
/// </param>
|
|
/// <returns> The total image's width in pixels.
|
|
///
|
|
/// </returns>
|
|
int getImgWidth(int rl);
|
|
|
|
/// <summary> Returns the overall height of the image in pixels, for the given
|
|
/// resolution level. This is the image's height without accounting for any
|
|
/// component subsampling or tiling. The resolution level is indexed from
|
|
/// the lowest number of resolution levels of all components of the current
|
|
/// tile.
|
|
///
|
|
/// </summary>
|
|
/// <param name="rl">The resolution level, from 0 to L.
|
|
///
|
|
/// </param>
|
|
/// <returns> The total image's height in pixels.
|
|
///
|
|
/// </returns>
|
|
int getImgHeight(int rl);
|
|
|
|
/// <summary> 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.
|
|
///
|
|
/// </summary>
|
|
/// <param name="c">The index of the component (between 0 and N-1)
|
|
///
|
|
/// </param>
|
|
/// <returns> The horizontal subsampling factor of component 'c'
|
|
///
|
|
/// </returns>
|
|
/// <seealso cref="jj2000.j2k.image.ImgData">
|
|
///
|
|
/// </seealso>
|
|
int getCompSubsX(int c);
|
|
|
|
/// <summary> 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.
|
|
///
|
|
/// </summary>
|
|
/// <param name="c">The index of the component (between 0 and N-1)
|
|
///
|
|
/// </param>
|
|
/// <returns> The vertical subsampling factor of component 'c'
|
|
///
|
|
/// </returns>
|
|
/// <seealso cref="jj2000.j2k.image.ImgData">
|
|
///
|
|
/// </seealso>
|
|
int getCompSubsY(int c);
|
|
|
|
/// <summary> Returns the width in pixels of the specified tile-component for the
|
|
/// given resolution level.
|
|
///
|
|
/// </summary>
|
|
/// <param name="t">Tile index
|
|
///
|
|
/// </param>
|
|
/// <param name="c">The index of the component, from 0 to N-1.
|
|
///
|
|
/// </param>
|
|
/// <param name="rl">The resolution level, from 0 to L.
|
|
///
|
|
/// </param>
|
|
/// <returns> The width in pixels of component <tt>c</tt> in tile <tt>t</tt>
|
|
/// for resolution <tt>rl</tt>.
|
|
///
|
|
/// </returns>
|
|
int getTileCompWidth(int t, int c, int rl);
|
|
|
|
/// <summary> Returns the height in pixels of the specified tile-component for the
|
|
/// given resolution level.
|
|
///
|
|
/// </summary>
|
|
/// <param name="t">The tile index.
|
|
///
|
|
/// </param>
|
|
/// <param name="c">The index of the component, from 0 to N-1.
|
|
///
|
|
/// </param>
|
|
/// <param name="rl">The resolution level, from 0 to L.
|
|
///
|
|
/// </param>
|
|
/// <returns> The height in pixels of component <tt>c</tt> in tile
|
|
/// <tt>t</tt>.
|
|
///
|
|
/// </returns>
|
|
int getTileCompHeight(int t, int c, int rl);
|
|
|
|
/// <summary> Returns the width in pixels of the specified component in the overall
|
|
/// image, for the given resolution level.
|
|
///
|
|
/// </summary>
|
|
/// <param name="c">The index of the component, from 0 to N-1.
|
|
///
|
|
/// </param>
|
|
/// <param name="rl">The resolution level, from 0 to L.
|
|
///
|
|
/// </param>
|
|
/// <returns> The width in pixels of component <tt>c</tt> in the overall
|
|
/// image.
|
|
///
|
|
/// </returns>
|
|
int getCompImgWidth(int c, int rl);
|
|
|
|
/// <summary> Returns the height in pixels of the specified component in the overall
|
|
/// image, for the given resolution level.
|
|
///
|
|
/// </summary>
|
|
/// <param name="c">The index of the component, from 0 to N-1.
|
|
///
|
|
/// </param>
|
|
/// <param name="rl">The resolution level, from 0 to L.
|
|
///
|
|
/// </param>
|
|
/// <returns> The height in pixels of component <tt>n</tt> in the overall
|
|
/// image.
|
|
///
|
|
/// </returns>
|
|
int getCompImgHeight(int n, int rl);
|
|
|
|
/// <summary> Changes the current tile, given the new indexes. An
|
|
/// IllegalArgumentException is thrown if the indexes do not correspond to
|
|
/// a valid tile.
|
|
///
|
|
/// </summary>
|
|
/// <param name="x">The horizontal indexes the tile.
|
|
///
|
|
/// </param>
|
|
/// <param name="y">The vertical indexes of the new tile.
|
|
///
|
|
/// </param>
|
|
void setTile(int x, int y);
|
|
|
|
/// <summary> 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).
|
|
///
|
|
/// </summary>
|
|
void nextTile();
|
|
|
|
/// <summary> Returns the indexes of the current tile. These are the horizontal and
|
|
/// vertical indexes of the current tile.
|
|
///
|
|
/// </summary>
|
|
/// <param name="co">If not null this object is used to return the information. If
|
|
/// null a new one is created and returned.
|
|
///
|
|
/// </param>
|
|
/// <returns> The current tile's indexes (vertical and horizontal indexes).
|
|
///
|
|
/// </returns>
|
|
Coord getTile(Coord co);
|
|
|
|
/// <summary> Returns the horizontal coordinate of the upper-left corner of the
|
|
/// specified resolution in the given component of the current tile.
|
|
///
|
|
/// </summary>
|
|
/// <param name="c">The component index.
|
|
///
|
|
/// </param>
|
|
/// <param name="rl">The resolution level index.
|
|
///
|
|
/// </param>
|
|
int getResULX(int c, int rl);
|
|
|
|
/// <summary> Returns the vertical coordinate of the upper-left corner of the
|
|
/// specified resolution in the given component of the current tile.
|
|
///
|
|
/// </summary>
|
|
/// <param name="c">The component index.
|
|
///
|
|
/// </param>
|
|
/// <param name="rl">The resolution level index.
|
|
///
|
|
/// </param>
|
|
int getResULY(int c, int rl);
|
|
|
|
/// <summary> Returns the horizontal coordinate of the image origin, the top-left
|
|
/// corner, in the canvas system, on the reference grid at the specified
|
|
/// resolution level. The resolution level is indexed from the lowest
|
|
/// number of resolution levels of all components of the current tile.
|
|
///
|
|
/// </summary>
|
|
/// <param name="rl">The resolution level, from 0 to L.
|
|
///
|
|
/// </param>
|
|
/// <returns> The horizontal coordinate of the image origin in the canvas
|
|
/// system, on the reference grid.
|
|
///
|
|
/// </returns>
|
|
int getImgULX(int rl);
|
|
|
|
/// <summary> Returns the vertical coordinate of the image origin, the top-left
|
|
/// corner, in the canvas system, on the reference grid at the specified
|
|
/// resolution level. The resolution level is indexed from the lowest
|
|
/// number of resolution levels of all components of the current tile.
|
|
///
|
|
/// </summary>
|
|
/// <param name="rl">The resolution level, from 0 to L.
|
|
///
|
|
/// </param>
|
|
/// <returns> The vertical coordinate of the image origin in the canvas
|
|
/// system, on the reference grid.
|
|
///
|
|
/// </returns>
|
|
int getImgULY(int rl);
|
|
|
|
/// <summary> Returns the number of tiles in the horizontal and vertical directions.
|
|
///
|
|
/// </summary>
|
|
/// <param name="co">If not null this object is used to return the information. If
|
|
/// null a new one is created and returned.
|
|
///
|
|
/// </param>
|
|
/// <returns> The number of tiles in the horizontal (Coord.x) and vertical
|
|
/// (Coord.y) directions.
|
|
///
|
|
/// </returns>
|
|
Coord getNumTiles(Coord co);
|
|
|
|
/// <summary> Returns the total number of tiles in the image.
|
|
///
|
|
/// </summary>
|
|
/// <returns> The total number of tiles in the image.
|
|
///
|
|
/// </returns>
|
|
int getNumTiles();
|
|
|
|
/// <summary> Returns the specified synthesis subband tree
|
|
///
|
|
/// </summary>
|
|
/// <param name="t">Tile index.
|
|
///
|
|
/// </param>
|
|
/// <param name="c">Component index.
|
|
///
|
|
/// </param>
|
|
SubbandSyn getSynSubbandTree(int t, int c);
|
|
}
|
|
} |