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      1 /*
      2  * Copyright (C) 2008 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 /* ---- includes ----------------------------------------------------------- */
     18 
     19 #include "b_BasicEm/Functions.h"
     20 #include "b_ImageEm/UInt32Image.h"
     21 
     22 /* ------------------------------------------------------------------------- */
     23 
     24 /* ========================================================================= */
     25 /*                                                                           */
     26 /* ---- \ghd{ auxiliary functions } ---------------------------------------- */
     27 /*                                                                           */
     28 /* ========================================================================= */
     29 
     30 /* ------------------------------------------------------------------------- */
     31 
     32 /* ========================================================================= */
     33 /*                                                                           */
     34 /* ---- \ghd{ constructor / destructor } ----------------------------------- */
     35 /*                                                                           */
     36 /* ========================================================================= */
     37 
     38 /* ------------------------------------------------------------------------- */
     39 
     40 void bim_UInt32Image_init( struct bbs_Context* cpA,
     41 						   struct bim_UInt32Image* ptrA )
     42 {
     43 	bbs_UInt32Arr_init( cpA, &ptrA->arrE );
     44 	ptrA->widthE = 0;
     45 	ptrA->heightE = 0;
     46 }
     47 
     48 /* ------------------------------------------------------------------------- */
     49 
     50 void bim_UInt32Image_exit( struct bbs_Context* cpA,
     51 						   struct bim_UInt32Image* ptrA )
     52 {
     53 	bbs_UInt32Arr_exit( cpA, &ptrA->arrE );
     54 	ptrA->widthE = 0;
     55 	ptrA->heightE = 0;
     56 }
     57 
     58 /* ------------------------------------------------------------------------- */
     59 
     60 /* ========================================================================= */
     61 /*                                                                           */
     62 /* ---- \ghd{ operators } -------------------------------------------------- */
     63 /*                                                                           */
     64 /* ========================================================================= */
     65 
     66 /* ------------------------------------------------------------------------- */
     67 
     68 void bim_UInt32Image_copy( struct bbs_Context* cpA,
     69 						   struct bim_UInt32Image* ptrA,
     70 						   const struct bim_UInt32Image* srcPtrA )
     71 {
     72 #ifdef DEBUG1
     73 	if( ptrA->arrE.allocatedSizeE < srcPtrA->arrE.allocatedSizeE )
     74 	{
     75 		bbs_ERROR0( "void bim_UInt32Image_copy(...):\n"
     76 				   "Unsufficient allocated memory in destination image." );
     77 		return;
     78 	}
     79 #endif
     80 	ptrA->widthE  = srcPtrA->widthE;
     81 	ptrA->heightE = srcPtrA->heightE;
     82 	bbs_UInt32Arr_copy( cpA, &ptrA->arrE, &srcPtrA->arrE );
     83 }
     84 
     85 /* ------------------------------------------------------------------------- */
     86 
     87 flag bim_UInt32Image_equal( struct bbs_Context* cpA,
     88 						    const struct bim_UInt32Image* ptrA,
     89 							const struct bim_UInt32Image* srcPtrA )
     90 {
     91 	if( ptrA->widthE  != srcPtrA->widthE ) return FALSE;
     92 	if( ptrA->heightE != srcPtrA->heightE ) return FALSE;
     93 	return bbs_UInt32Arr_equal( cpA, &ptrA->arrE, &srcPtrA->arrE );
     94 }
     95 
     96 /* ------------------------------------------------------------------------- */
     97 
     98 /* ========================================================================= */
     99 /*                                                                           */
    100 /* ---- \ghd{ query functions } -------------------------------------------- */
    101 /*                                                                           */
    102 /* ========================================================================= */
    103 
    104 /* ------------------------------------------------------------------------- */
    105 
    106 uint32 bim_UInt32Image_heapSize( struct bbs_Context* cpA,
    107 								 const struct bim_UInt32Image* ptrA,
    108 								 uint32 widthA,
    109 								 uint32 heightA )
    110 {
    111 	return bbs_UInt32Arr_heapSize( cpA, &ptrA->arrE, widthA * heightA );
    112 }
    113 
    114 /* ------------------------------------------------------------------------- */
    115 
    116 uint32 bim_UInt32Image_checkSum( struct bbs_Context* cpA,
    117 								 const struct bim_UInt32Image* ptrA )
    118 {
    119 	uint32 sumL =0 ;
    120 	uint32 iL;
    121 	uint32 sizeL = ptrA->arrE.sizeE;
    122 	const uint32* ptrL = ptrA->arrE.arrPtrE;
    123 	for( iL =0; iL < sizeL; iL++ )
    124 	{
    125 		sumL += *ptrL++;
    126 	}
    127 	return sumL;
    128 }
    129 
    130 /* ------------------------------------------------------------------------- */
    131 
    132 /* ========================================================================= */
    133 /*                                                                           */
    134 /* ---- \ghd{ modify functions } ------------------------------------------- */
    135 /*                                                                           */
    136 /* ========================================================================= */
    137 
    138 /* ------------------------------------------------------------------------- */
    139 
    140 void bim_UInt32Image_create( struct bbs_Context* cpA,
    141 							 struct bim_UInt32Image* ptrA,
    142 						    uint32 widthA,
    143 							uint32 heightA,
    144  					        struct bbs_MemSeg* mspA )
    145 {
    146 	if( bbs_Context_error( cpA ) ) return;
    147 	if( ptrA->arrE.arrPtrE != 0 )
    148 	{
    149 		bim_UInt32Image_size( cpA, ptrA, widthA, heightA );
    150 	}
    151 	else
    152 	{
    153 		bbs_UInt32Arr_create( cpA, &ptrA->arrE, widthA * heightA, mspA );
    154 		ptrA->widthE  = widthA;
    155 		ptrA->heightE = heightA;
    156 	}
    157 }
    158 
    159 /* ------------------------------------------------------------------------- */
    160 
    161 void bim_UInt32Image_assignExternalImage( struct bbs_Context* cpA,
    162 										  struct bim_UInt32Image* ptrA,
    163 										  struct bim_UInt32Image* srcPtrA )
    164 {
    165 	struct bbs_MemSeg sharedSegL = bbs_MemSeg_createShared( cpA, srcPtrA->arrE.arrPtrE, srcPtrA->widthE * srcPtrA->heightE );
    166 
    167 	if( ptrA->arrE.arrPtrE != 0 )
    168 	{
    169 		bbs_ERROR0( "void bim_UInt32Image_assignExternalImage( ... ): image was already created once" );
    170 		return;
    171 	}
    172 
    173 	bim_UInt32Image_create( cpA,
    174 							ptrA,
    175 					        srcPtrA->widthE,
    176 						    srcPtrA->heightE,
    177 						    &sharedSegL );
    178 }
    179 
    180 /* ------------------------------------------------------------------------- */
    181 
    182 void bim_UInt32Image_size( struct bbs_Context* cpA,
    183 						   struct bim_UInt32Image* ptrA,
    184 						   uint32 widthA,
    185 						   uint32 heightA )
    186 {
    187 	if( ptrA->arrE.allocatedSizeE < widthA * heightA )
    188 	{
    189 		bbs_ERROR0( "void bim_UInt32Image_size( struct bim_UInt32Image*, uint32 sizeA ):\n"
    190 				   "Unsufficient allocated memory" );
    191 		return;
    192 	}
    193 	ptrA->widthE  = widthA;
    194 	ptrA->heightE = heightA;
    195 	bbs_UInt32Arr_size( cpA, &ptrA->arrE, widthA * heightA );
    196 }
    197 
    198 /* ------------------------------------------------------------------------- */
    199 
    200 /* ========================================================================= */
    201 /*                                                                           */
    202 /* ---- \ghd{ I/O } -------------------------------------------------------- */
    203 /*                                                                           */
    204 /* ========================================================================= */
    205 
    206 /* ------------------------------------------------------------------------- */
    207 
    208 uint32 bim_UInt32Image_memSize( struct bbs_Context* cpA,
    209 							    const struct bim_UInt32Image* ptrA )
    210 {
    211 	return  bbs_SIZEOF16( uint32 )
    212 		  + bbs_SIZEOF16( uint32 ) /* version */
    213 		  + bbs_SIZEOF16( ptrA->widthE )
    214 		  + bbs_SIZEOF16( ptrA->heightE )
    215 		  + bbs_UInt32Arr_memSize( cpA, &ptrA->arrE );
    216 }
    217 
    218 /* ------------------------------------------------------------------------- */
    219 
    220 uint32 bim_UInt32Image_memWrite( struct bbs_Context* cpA,
    221 								 const struct bim_UInt32Image* ptrA,
    222 								 uint16* memPtrA )
    223 {
    224 	uint32 memSizeL = bim_UInt32Image_memSize( cpA, ptrA );
    225 	memPtrA += bbs_memWrite32( &memSizeL, memPtrA );
    226 	memPtrA += bbs_memWriteUInt32( bim_UINT32_IMAGE_VERSION, memPtrA );
    227 	memPtrA += bbs_memWrite32( &ptrA->widthE, memPtrA );
    228 	memPtrA += bbs_memWrite32( &ptrA->heightE, memPtrA );
    229 	bbs_UInt32Arr_memWrite( cpA, &ptrA->arrE, memPtrA );
    230 	return memSizeL;
    231 }
    232 
    233 /* ------------------------------------------------------------------------- */
    234 
    235 uint32 bim_UInt32Image_memRead( struct bbs_Context* cpA,
    236 							    struct bim_UInt32Image* ptrA,
    237 							   const uint16* memPtrA,
    238  					           struct bbs_MemSeg* mspA )
    239 {
    240 	uint32 memSizeL, versionL;
    241 	if( bbs_Context_error( cpA ) ) return 0;
    242 	memPtrA += bbs_memRead32( &memSizeL, memPtrA );
    243 	memPtrA += bbs_memReadVersion32( cpA, &versionL, bim_UINT32_IMAGE_VERSION, memPtrA );
    244 	memPtrA += bbs_memRead32( &ptrA->widthE, memPtrA );
    245 	memPtrA += bbs_memRead32( &ptrA->heightE, memPtrA );
    246 	bbs_UInt32Arr_memRead( cpA, &ptrA->arrE, memPtrA, mspA );
    247 
    248 	if( memSizeL != bim_UInt32Image_memSize( cpA, ptrA ) )
    249 	{
    250 		bbs_ERR0( bbs_ERR_CORRUPT_DATA, "uint32 bim_UInt32Image_memRead( const struct bim_UInt32Image* ptrA, const void* memPtrA ):\n"
    251                    "size mismatch" );
    252 		return 0;
    253 	}
    254 	return memSizeL;
    255 }
    256 
    257 /* ------------------------------------------------------------------------- */
    258 
    259 /* ========================================================================= */
    260 /*                                                                           */
    261 /* ---- \ghd{ exec functions } --------------------------------------------- */
    262 /*                                                                           */
    263 /* ========================================================================= */
    264 
    265 /* ------------------------------------------------------------------------- */
    266 
    267 void bim_UInt32Image_setAllPixels( struct bbs_Context* cpA,
    268 								   struct bim_UInt32Image* ptrA,
    269 								   uint32 valueA,
    270 								   int32 bbpA )
    271 {
    272 	long iL;
    273 	uint32* ptrL = ptrA->arrE.arrPtrE;
    274 	for( iL = ptrA->widthE * ptrA->heightE; iL > 0; iL-- )
    275 	{
    276 		*ptrL++ = valueA;
    277 	}
    278 }
    279 
    280 /* ------------------------------------------------------------------------- */
    281 
    282 /* ========================================================================= */
    283 
    284 
    285