/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef bts_FLT16ALT2D_EM_H
#define bts_FLT16ALT2D_EM_H
/* ---- includes ----------------------------------------------------------- */
#include "b_BasicEm/Context.h"
#include "b_BasicEm/Basic.h"
#include "b_TensorEm/Flt16Mat2D.h"
#include "b_TensorEm/Flt16Vec2D.h"
/* ---- related objects --------------------------------------------------- */
/* ---- typedefs ----------------------------------------------------------- */
/* ---- constants ---------------------------------------------------------- */
/* ---- object definition -------------------------------------------------- */
/** 2d affine linear trafo */
struct bts_Flt16Alt2D
{
/* ---- private data --------------------------------------------------- */
/* ---- public data ---------------------------------------------------- */
/** matrix */
struct bts_Flt16Mat2D matE;
/** vector */
struct bts_Flt16Vec2D vecE;
};
/* ---- associated objects ------------------------------------------------- */
/* ---- external functions ------------------------------------------------- */
/* ---- \ghd{ constructor/destructor } ------------------------------------- */
/** initializes alt */
void bts_Flt16Alt2D_init( struct bts_Flt16Alt2D* ptrA );
/** destroys alt */
void bts_Flt16Alt2D_exit( struct bts_Flt16Alt2D* ptrA );
/* ---- \ghd{ operators } -------------------------------------------------- */
/** copy operator */
void bts_Flt16Alt2D_copy( struct bts_Flt16Alt2D* ptrA,
const struct bts_Flt16Alt2D* srcPtrA );
/** equal operator */
flag bts_Flt16Alt2D_equal( const struct bts_Flt16Alt2D* ptrA,
const struct bts_Flt16Alt2D* srcPtrA );
/* ---- \ghd{ query functions } -------------------------------------------- */
/* ---- \ghd{ modify functions } ------------------------------------------- */
/* ---- \ghd{ memory I/O } ------------------------------------------------- */
/** size object needs when written to memory */
uint32 bts_Flt16Alt2D_memSize( struct bbs_Context* cpA,
const struct bts_Flt16Alt2D* ptrA );
/** writes object to memory; returns number of bytes written */
uint32 bts_Flt16Alt2D_memWrite( struct bbs_Context* cpA,
const struct bts_Flt16Alt2D* ptrA,
uint16* memPtrA );
/** reads object from memory; returns number of bytes read */
uint32 bts_Flt16Alt2D_memRead( struct bbs_Context* cpA,
struct bts_Flt16Alt2D* ptrA,
const uint16* memPtrA );
/* ---- \ghd{ exec functions } --------------------------------------------- */
/** inverts alt */
void bts_Flt16Alt2D_invert( struct bts_Flt16Alt2D* ptrA );
/** returns inverted alt */
struct bts_Flt16Alt2D bts_Flt16Alt2D_inverted( const struct bts_Flt16Alt2D* ptrA );
/** creates identity alt */
struct bts_Flt16Alt2D bts_Flt16Alt2D_createIdentity( void );
/** creates rotation alt */
struct bts_Flt16Alt2D bts_Flt16Alt2D_createRotation( phase16 angleA,
const struct bts_Flt16Vec2D* centerPtrA );
/** creates scale alt */
struct bts_Flt16Alt2D bts_Flt16Alt2D_createScale( int32 scaleA,
int32 scaleBbpA,
const struct bts_Flt16Vec2D* centerPtrA );
/** creates rigid alt (scale & rotation) */
struct bts_Flt16Alt2D bts_Flt16Alt2D_createRigid( phase16 angleA,
int32 scaleA,
int32 scaleBbpA,
const struct bts_Flt16Vec2D* centerPtrA );
/** creates rigid alt (scale & rotation) that mapps vecIn1 and vecIn2 to vecOut1 and vecOut2*/
struct bts_Flt16Alt2D bts_Flt16Alt2D_createRigidMap( struct bts_Flt16Vec2D vecIn1A,
struct bts_Flt16Vec2D vecIn2A,
struct bts_Flt16Vec2D vecOut1A,
struct bts_Flt16Vec2D vecOut2A );
/** creates alt from 16 bit values */
struct bts_Flt16Alt2D bts_Flt16Alt2D_create16( int16 xxA,
int16 xyA,
int16 yxA,
int16 yyA,
int16 matBbpA,
int16 xA,
int16 yA,
int16 vecBbpA );
/** creates alt from 32 bit values (automatic adjustment of bbp value) */
struct bts_Flt16Alt2D bts_Flt16Alt2D_create32( int32 xxA,
int32 xyA,
int32 yxA,
int32 yyA,
int32 matBbpA,
int32 xA,
int32 yA,
int32 vecBbpA );
/** Multiplies matrix with float vecA; returns resulting vector.
* bbp can get changed.
*/
struct bts_Flt16Vec2D bts_Flt16Alt2D_mapFlt( const struct bts_Flt16Alt2D* matPtrA,
const struct bts_Flt16Vec2D* vecPtrA );
/** multiplies alt with altA returns resulting alt */
struct bts_Flt16Alt2D bts_Flt16Alt2D_mul( const struct bts_Flt16Alt2D* alt1PtrA,
const struct bts_Flt16Alt2D* alt2PtrA );
/** multiplies alt with matA; returns pointer to resulting alt */
struct bts_Flt16Alt2D* bts_Flt16Alt2D_mulTo( struct bts_Flt16Alt2D* alt1PtrA,
const struct bts_Flt16Alt2D* alt2PtrA );
#endif /* bts_FLT16ALT2D_EM_H */