/*
* 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.
*/
/* ---- includes ----------------------------------------------------------- */
#include "b_BasicEm/Math.h"
#include "b_BasicEm/Functions.h"
#include "b_ImageEm/Functions.h"
#include "b_ImageEm/UInt16BytePyrImage.h"
/* ------------------------------------------------------------------------- */
/* ========================================================================= */
/* */
/* ---- \ghd{ auxiliary functions } ---------------------------------------- */
/* */
/* ========================================================================= */
/* ------------------------------------------------------------------------- */
/* ========================================================================= */
/* */
/* ---- \ghd{ constructor / destructor } ----------------------------------- */
/* */
/* ========================================================================= */
/* ------------------------------------------------------------------------- */
void bim_UInt16BytePyrImage_init( struct bbs_Context* cpA,
struct bim_UInt16BytePyrImage* ptrA )
{
bbs_UInt16Arr_init( cpA, &ptrA->arrE );
ptrA->widthE = 0;
ptrA->heightE = 0;
ptrA->depthE = 0;
ptrA->typeE = bim_UINT16_PYRAMIDAL_IMG;
}
/* ------------------------------------------------------------------------- */
void bim_UInt16BytePyrImage_exit( struct bbs_Context* cpA,
struct bim_UInt16BytePyrImage* ptrA )
{
bbs_UInt16Arr_exit( cpA, &ptrA->arrE );
ptrA->widthE = 0;
ptrA->heightE = 0;
ptrA->depthE = 0;
}
/* ------------------------------------------------------------------------- */
/* ========================================================================= */
/* */
/* ---- \ghd{ operators } -------------------------------------------------- */
/* */
/* ========================================================================= */
/* ------------------------------------------------------------------------- */
void bim_UInt16BytePyrImage_copy( struct bbs_Context* cpA,
struct bim_UInt16BytePyrImage* ptrA,
const struct bim_UInt16BytePyrImage* srcPtrA )
{
#ifdef DEBUG1
if( ptrA->arrE.allocatedSizeE < srcPtrA->arrE.allocatedSizeE )
{
bbs_ERROR0( "void bim_UInt16BytePyrImage_copy( ... ):\n"
"Unsufficient allocated memory in destination image" );
return;
}
#endif
ptrA->widthE = srcPtrA->widthE;
ptrA->heightE = srcPtrA->heightE;
ptrA->depthE = srcPtrA->depthE;
bbs_UInt16Arr_copy( cpA, &ptrA->arrE, &srcPtrA->arrE );
}
/* ------------------------------------------------------------------------- */
flag bim_UInt16BytePyrImage_equal( struct bbs_Context* cpA,
const struct bim_UInt16BytePyrImage* ptrA,
const struct bim_UInt16BytePyrImage* srcPtrA )
{
if( ptrA->widthE != srcPtrA->widthE ) return FALSE;
if( ptrA->heightE != srcPtrA->heightE ) return FALSE;
if( ptrA->depthE != srcPtrA->depthE ) return FALSE;
return bbs_UInt16Arr_equal( cpA, &ptrA->arrE, &srcPtrA->arrE );
}
/* ------------------------------------------------------------------------- */
/* ========================================================================= */
/* */
/* ---- \ghd{ query functions } -------------------------------------------- */
/* */
/* ========================================================================= */
/* ------------------------------------------------------------------------- */
uint16* bim_UInt16BytePyrImage_arrPtr( struct bbs_Context* cpA,
const struct bim_UInt16BytePyrImage* ptrA,
uint32 levelA )
{
uint32 iL;
uint32 offsL = 0;
uint32 baseSizeL = ( ptrA->widthE * ptrA->heightE ) >> 1;
#ifdef DEBUG2
if( levelA >= ptrA->depthE )
{
bbs_ERROR2( "uint16* bim_UInt16BytePyrImage_arrPtr( struct bim_UInt16BytePyrImage*, uint32 levelA ):\n"
"levelA = %i out of range [0,%i]", levelA, ptrA->depthE - 1 );
return NULL;
}
#endif
for( iL = 0; iL < levelA; iL++ )
{
offsL += ( baseSizeL >> ( iL * 2 ) );
}
return ptrA->arrE.arrPtrE + offsL;
}
/* ------------------------------------------------------------------------- */
uint32 bim_UInt16BytePyrImage_heapSize( struct bbs_Context* cpA,
const struct bim_UInt16BytePyrImage* ptrA,
uint32 widthA, uint32 heightA,
uint32 depthA )
{
uint32 baseSizeL = ( widthA * heightA ) >> 1;
uint32 sizeL = 0;
uint32 iL;
for( iL = 0; iL < depthA; iL++ )
{
sizeL += ( baseSizeL >> ( iL * 2 ) );
}
return bbs_UInt16Arr_heapSize( cpA, &ptrA->arrE, sizeL );
}
/* ------------------------------------------------------------------------- */
/* ========================================================================= */
/* */
/* ---- \ghd{ modify functions } ------------------------------------------- */
/* */
/* ========================================================================= */
/* ------------------------------------------------------------------------- */
void bim_UInt16BytePyrImage_create( struct bbs_Context* cpA,
struct bim_UInt16BytePyrImage* ptrA,
uint32 widthA, uint32 heightA,
uint32 depthA,
struct bbs_MemSeg* mspA )
{
uint32 baseSizeL = ( widthA * heightA ) >> 1;
uint32 sizeL = 0;
uint32 iL;
if( bbs_Context_error( cpA ) ) return;
if( ptrA->arrE.arrPtrE != 0 )
{
bim_UInt16BytePyrImage_size( cpA, ptrA, widthA, heightA, depthA );
return;
}
#ifdef DEBUG1
{
uint32 depthMaskL = ( ( int32 )1 << ( depthA - 1 ) ) - 1;
if( depthA == 0 )
{
bbs_ERROR0( "void bim_UInt16BytePyrImage_create( struct bim_UInt16BytePyrImage* ptrA, uint32 widthA, uint32 heightA, uint32 depthA ):\n"
"depthA must be > 0" );
return;
}
if( ( ( widthA & depthMaskL ) > 0 ) || ( ( heightA & depthMaskL ) > 0 ) )
{
bbs_ERROR1( "void bim_UInt16BytePyrImage_create( struct bim_UInt16BytePyrImage* ptrA, uint32 widthA, uint32 heightA, uint32 depthA ):\n"
"widthA and heightA must be divisible by %i", depthMaskL + 1 );
return;
}
}
#endif
ptrA->widthE = widthA;
ptrA->heightE = heightA;
ptrA->depthE = depthA;
for( iL = 0; iL < depthA; iL++ )
{
sizeL += ( baseSizeL >> ( iL * 2 ) );
}
bbs_UInt16Arr_create( cpA, &ptrA->arrE, sizeL, mspA );
}
/* ------------------------------------------------------------------------- */
void bim_UInt16BytePyrImage_size( struct bbs_Context* cpA,
struct bim_UInt16BytePyrImage* ptrA,
uint32 widthA,
uint32 heightA,
uint32 depthA )
{
uint32 baseSizeL = ( widthA * heightA ) >> 1;
uint32 sizeL = 0;
uint32 iL;
#ifdef DEBUG1
uint32 depthMaskL = ( 1 << ( depthA - 1 ) ) - 1;
if( depthA == 0 )
{
bbs_ERROR0( "void bim_UInt16BytePyrImage_size( struct bim_UInt16BytePyrImage* ptrA, uint32 widthA, uint32 heightA, uint32 depthA ):\n"
"depthA must be > 0" );
return;
}
if( ( ( widthA & depthMaskL ) > 0 ) || ( ( heightA & depthMaskL ) > 0 ) )
{
bbs_ERROR1( "void bim_UInt16BytePyrImage_size( struct bim_UInt16BytePyrImage* ptrA, uint32 widthA, uint32 heightA, uint32 depthA ):\n"
"widthA and heightA must be divisible by %i", depthMaskL + 1 );
return;
}
#endif
ptrA->widthE = widthA;
ptrA->heightE = heightA;
ptrA->depthE = depthA;
for( iL = 0; iL < depthA; iL++ )
{
sizeL += ( baseSizeL >> ( iL * 2 ) );
}
#ifdef DEBUG1
if( sizeL > ptrA->arrE.allocatedSizeE )
{
bbs_ERROR0( "void bim_UInt16BytePyrImage_size( struct bim_UInt16BytePyrImage* ptrA, uint32 widthA, uint32 heightA, uint32 depthA ):\n"
"Insufficient allocated memory." );
return;
}
#endif
bbs_UInt16Arr_size( cpA, &ptrA->arrE, sizeL );
}
/* ------------------------------------------------------------------------- */
/* ========================================================================= */
/* */
/* ---- \ghd{ I/O } -------------------------------------------------------- */
/* */
/* ========================================================================= */
/* ------------------------------------------------------------------------- */
uint32 bim_UInt16BytePyrImage_memSize( struct bbs_Context* cpA,
const struct bim_UInt16BytePyrImage* ptrA )
{
return bbs_SIZEOF16( uint32 )
+ bbs_SIZEOF16( uint32 ) /* version */
+ bbs_SIZEOF16( ptrA->widthE )
+ bbs_SIZEOF16( ptrA->heightE )
+ bbs_SIZEOF16( ptrA->depthE )
+ bbs_UInt16Arr_memSize( cpA, &ptrA->arrE );
}
/* ------------------------------------------------------------------------- */
uint32 bim_UInt16BytePyrImage_memWrite( struct bbs_Context* cpA,
const struct bim_UInt16BytePyrImage* ptrA,
uint16* memPtrA )
{
uint32 memSizeL = bim_UInt16BytePyrImage_memSize( cpA, ptrA );
memPtrA += bbs_memWrite32( &memSizeL, memPtrA );
memPtrA += bbs_memWriteUInt32( bim_UINT16_PYRAMIDAL_IMAGE_VERSION, memPtrA );
memPtrA += bbs_memWrite32( &ptrA->widthE, memPtrA );
memPtrA += bbs_memWrite32( &ptrA->heightE, memPtrA );
memPtrA += bbs_memWrite32( &ptrA->depthE, memPtrA );
bbs_UInt16Arr_memWrite( cpA, &ptrA->arrE, memPtrA );
return memSizeL;
}
/* ------------------------------------------------------------------------- */
uint32 bim_UInt16BytePyrImage_memRead( struct bbs_Context* cpA,
struct bim_UInt16BytePyrImage* ptrA,
const uint16* memPtrA,
struct bbs_MemSeg* mspA )
{
uint32 memSizeL, versionL, widthL, heightL, depthL;
if( bbs_Context_error( cpA ) ) return 0;
memPtrA += bbs_memRead32( &memSizeL, memPtrA );
memPtrA += bbs_memReadVersion32( cpA, &versionL, bim_UINT16_PYRAMIDAL_IMAGE_VERSION, memPtrA );
memPtrA += bbs_memRead32( &widthL, memPtrA );
memPtrA += bbs_memRead32( &heightL, memPtrA );
memPtrA += bbs_memRead32( &depthL, memPtrA );
ptrA->widthE = widthL;
ptrA->heightE = heightL;
ptrA->depthE = depthL;
bbs_UInt16Arr_memRead( cpA, &ptrA->arrE, memPtrA, mspA );
if( memSizeL != bim_UInt16BytePyrImage_memSize( cpA, ptrA ) )
{
bbs_ERR0( bbs_ERR_CORRUPT_DATA, "uint32 bim_UInt16BytePyrImage_memRead( const struct bim_UInt16BytePyrImage* ptrA, const void* memPtrA ):\n"
"size mismatch" );
return 0;
}
return memSizeL;
}
/* ------------------------------------------------------------------------- */
/* ========================================================================= */
/* */
/* ---- \ghd{ exec functions } --------------------------------------------- */
/* */
/* ========================================================================= */
void bim_UInt16BytePyrImage_overlayUInt16( struct bbs_Context* cpA,
const struct bim_UInt16BytePyrImage* ptrA,
struct bim_UInt16ByteImage* uint16ImageA )
{
uint16ImageA->widthE = ptrA->widthE;
uint16ImageA->heightE = ptrA->heightE;
uint16ImageA->arrE.sizeE = ptrA->widthE * ptrA->heightE;
uint16ImageA->arrE.allocatedSizeE = ptrA->widthE * ptrA->heightE;
uint16ImageA->arrE.arrPtrE = ptrA->arrE.arrPtrE;
uint16ImageA->arrE.mspE = 0;
}
/* ------------------------------------------------------------------------- */
/** process remaining layers */
void bim_UInt16BytePyrImage_recompute( struct bbs_Context* cpA,
struct bim_UInt16BytePyrImage* dstPtrA )
{
count_t iL, jL, layerL;
uint16 tmpL;
uint32 widthL = dstPtrA->widthE;
uint32 halfWidthL = widthL >> 1;
uint32 heightL = dstPtrA->heightE;
uint16* srcL = dstPtrA->arrE.arrPtrE;
uint16* dstL = srcL + ( heightL * halfWidthL );
for( layerL = 1; layerL < dstPtrA->depthE; layerL++ )
{
for( jL = ( heightL >> 1 ); jL > 0; jL-- )
{
for( iL = ( halfWidthL >> 1 ); iL > 0; iL-- )
{
/* averaging with rounding */
tmpL = ( ( *srcL & 0x0FF ) + ( *srcL >> 8 ) + ( *( srcL + halfWidthL ) & 0x0FF ) +
( *( srcL + halfWidthL ) >> 8 ) + 2 ) >> 2;
#ifdef HW_BIG_ENDIAN
*dstL = tmpL << 8;
#else
*dstL = tmpL;
#endif
srcL++;
tmpL = ( ( *srcL & 0x0FF ) + ( *srcL >> 8 ) + ( *( srcL + halfWidthL ) & 0x0FF ) +
( *( srcL + halfWidthL ) >> 8 ) + 2 ) >> 2;
#ifdef HW_BIG_ENDIAN
*dstL |= tmpL;
#else
*dstL |= tmpL << 8;
#endif
srcL++;
dstL++;
}
srcL += halfWidthL;
}
halfWidthL >>= 1;
heightL >>= 1;
}
}
/* ------------------------------------------------------------------------- */
void bim_UInt16BytePyrImage_importUInt16( struct bbs_Context* cpA,
struct bim_UInt16BytePyrImage* dstPtrA,
const struct bim_UInt16ByteImage* srcPtrA,
uint32 depthA )
{
bim_UInt16BytePyrImage_size( cpA, dstPtrA, srcPtrA->widthE, srcPtrA->heightE, depthA );
/* copy first layer */
bbs_memcpy16( dstPtrA->arrE.arrPtrE, srcPtrA->arrE.arrPtrE, srcPtrA->arrE.sizeE );
bim_UInt16BytePyrImage_recompute( cpA, dstPtrA );
}
/* ------------------------------------------------------------------------- */
/* ========================================================================= */