| /* |
| * 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 */ |
| |