90 lines
3.6 KiB
C
90 lines
3.6 KiB
C
/*
|
|
* $Id: imgreg_manager.h 44 2011-02-15 12:32:29Z kaori $
|
|
*
|
|
* Copyright (c) 2002-2011, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
|
|
* Copyright (c) 2002-2011, Professor Benoit Macq
|
|
* Copyright (c) 2010-2011, Kaori Hagihara
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef IMGREG_MANAGER_H_
|
|
# define IMGREG_MANAGER_H_
|
|
|
|
//! image region parameters
|
|
typedef struct imgreg_param{
|
|
int xosiz, yosiz; //!< offset from the origin of the reference grid
|
|
//!at the decomposition level
|
|
int fx, fy; //!< frame size (fsiz)
|
|
int ox, oy; //!< offset (roff)
|
|
int sx, sy; //!< region size (rsiz)
|
|
int level; //!< decomposition level
|
|
} imgreg_param_t;
|
|
|
|
|
|
/**
|
|
* map view-window requests to codestream image resolutions and regions
|
|
*
|
|
* @param[in] fx,fy frame size
|
|
* @param[in] rx,ry offset of region
|
|
* @param[in] rw,rh size of region
|
|
* @param[in] XOsiz,YOsiz offset from the origin of the reference grid to the left side of the image area
|
|
* @param[in] Xsiz,Ysiz size of the reference grid
|
|
* @param[in] numOfdecomp number of decomposition levels
|
|
* @return structure of image region parameters
|
|
*/
|
|
imgreg_param_t map_viewin2imgreg( const int fx, const int fy,
|
|
const int rx, const int ry,
|
|
const int rw, const int rh,
|
|
const int XOsiz, const int YOsiz,
|
|
const int Xsiz, const int Ysiz,
|
|
const int numOfdecomp);
|
|
|
|
|
|
/**
|
|
* find deconposition level and its resolution size
|
|
* C.4.1 Mapping view-window requests to codestream image resolution
|
|
* and regions
|
|
* Note: only round-down implemented
|
|
*
|
|
* @param[in] maxlev maximum decomposition level
|
|
* @param[in/out] lev decomposition level pointer
|
|
* @param[in/out] fx horizontal frame size pointer
|
|
* @param[in/out] fy vertical frame size pointer
|
|
* @param[in/out] xmin horizontal image offset pointer
|
|
* @param[in/out] ymin vertical image offset pointer
|
|
* @param[in/out] xmax horizontal image size pointer
|
|
* @param[in/out] ymax vertical image size pointer
|
|
*/
|
|
void find_level( int maxlev, int *lev, int *fx, int *fy, int *xmin, int *ymin, int *xmax, int *ymax);
|
|
|
|
/**
|
|
* print image region parameters
|
|
*
|
|
* @param[in] imgreg image region structure of parameters
|
|
*/
|
|
void print_imgreg( imgreg_param_t imgreg);
|
|
|
|
|
|
#endif /* !IMGREG_MANAGER_H_ */
|