FontHWCompress.cpp
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#include "stdafx.h"
#include "FontHWCompress.h"
#include "LzmaLib.h"
BF_ENC_STRUCT g_encoder;
S32 LV1Size;
S32 LV2Size;
BF_LEVEL1_TABLE_STRUCT LV1Dict1;
BF_LEVEL2_TABLE_STRUCT LV1Dict2;
const char *lv1_table_name = "g_hw_compression_lv1_table";
const char *lv2_table_name = "g_hw_compression_lv2_table";
#if 0
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#endif
/*****************************************************************************
* FUNCTION
* FontHWCompressQueryDictionary
* DESCRIPTION
*
* PARAMETERS
*
*
* RETURNS
* void
******************************************************************************/
BF_ENC_STATUS_ENUM FontHWCompressQueryDictionary( BF_ENC_STRUCT *pEncoder,
S32 *LV1Size,
S32 *LV2Size,
BF_LEVEL1_TABLE_STRUCT *LV1Dict,
BF_LEVEL2_TABLE_STRUCT *LV2Dict)
{
/*----------------------------------------------------------------*/
/* Local Variables */
/*----------------------------------------------------------------*/
/*----------------------------------------------------------------*/
/* Code Body */
/*----------------------------------------------------------------*/
return bfEncGetDictionary(pEncoder,
(U8 *)LV1Dict,
LV1Size,
(U8 *)LV2Dict,
LV2Size);
}
/*****************************************************************************
* FUNCTION
* queryDictionary
* DESCRIPTION
*
* PARAMETERS
*
*
* RETURNS
* void
******************************************************************************/
bool FontHWCompressWriteLVTableToFile(FILE *pFile,
S32 LV1Size,
S32 LV2Size,
BF_LEVEL1_TABLE_STRUCT *LV1Dict,
BF_LEVEL2_TABLE_STRUCT *LV2Dict,
const char *lv1_table_name,
const char *lv2_table_name)
{
/*----------------------------------------------------------------*/
/* Local Variables */
/*----------------------------------------------------------------*/
U32 iCount = 0;
unsigned char *pchar = NULL;
/*----------------------------------------------------------------*/
/* Code Body */
/*----------------------------------------------------------------*/
if(IsUseHWFontCompression() && (pFile != NULL))
{
//fprintf(pFile,_T("\n#if defined(__MMI_BDF_SW_COMPRESSION__)\n"));
pchar = (unsigned char *)&LV1Dict->entry[0];
fprintf(pFile, _T("\nconst U8 %s[%ld]= {"), lv1_table_name, LV1Size);
for( iCount = 0 ; iCount < LV1Size; iCount++)
{
if (iCount%15 == 0)
{
fprintf(pFile, _T("\n"));
}
fprintf(pFile, _T("0x%-2X,"), pchar[iCount]);
}
fprintf(pFile,_T("};\n"));
pchar = (unsigned char *)&LV2Dict->entry[0][0];
fprintf(pFile, _T("\nconst U8 %s[256][15]= {"), lv2_table_name);
for( iCount = 0 ; iCount < LV2Size; iCount++)
{
if (iCount%15 == 0)
{
fprintf(pFile, _T("\n"));
}
fprintf(pFile, _T("0x%-2X,"), pchar[iCount]);
}
fprintf(pFile, ("};\n"));
// fprintf(pFile, "#endif\n");
}
return true;
}
int FontLzmaCompress(unsigned char *dest, size_t *destLen, const unsigned char *src, size_t srcLen)
{
#define DICTSIZE (1<<16)
//unsigned char props[LZMA_PROPS_SIZE] = {0};
unsigned int propSize = LZMA_PROPS_SIZE;
int status;
status = LzmaCompress(
dest+propSize, destLen, src, srcLen, dest, &propSize,
0, /* 0 <= level <= 9, default = 5 */
DICTSIZE, /* default = (1 << 24) */
3, /* 0 <= lc <= 8, default = 3 */
0, /* 0 <= lp <= 4, default = 0 */
2, /* 0 <= pb <= 4, default = 2 */
32, /* 5 <= fb <= 273, default = 32 */
1 /* 1 or 2, default = 2 */
);
return status;
}
int FontLzmaUncompress(unsigned char * dest,size_t * destLen,const unsigned char * src,SizeT * srcLen)
{
int status;
status = LzmaUncompress(dest, destLen, src+LZMA_PROPS_SIZE, srcLen, src, LZMA_PROPS_SIZE);
return status;
}
U32 FontLzmaGroupSplitter(U8 *pDataArray, U32 *pOffsetArray, U32 nTotalChars, U8 *pDataArrayCompressed, S32 *nCompressTotalLen, sMCTGroupData *sGroupData)
{
#define KSIZE (1<<10)
#define GROUP_MAX_SIZE (10*KSIZE)
//#define COMPRESSLEN ((GROUP_MAX_SIZE)+(GROUP_MAX_SIZE/10)+(16*KSIZE))
U32 iCount = 0;
U32 blockIdx = 0;
U32 offsetSize = 0, offsetSizeTmp = 0;
U8* pData = pDataArray;
U32 groupNum = 0;
U32 boundarySize = 0;
U8 compressBuf[GROUP_MAX_SIZE];
U32 compressLen = GROUP_MAX_SIZE, compressTotalLen = 0;
//U8 uncompressBuf[GROUP_MAX_SIZE];
//U32 uncompressLen = GROUP_MAX_SIZE;
for(iCount=1; iCount < nTotalChars+1; iCount++)
{
if(pOffsetArray[iCount-1] > pOffsetArray[iCount])
blockIdx++;
offsetSize = (blockIdx<<8) + pOffsetArray[iCount];
if(iCount < nTotalChars)
{
if(pOffsetArray[iCount] > pOffsetArray[iCount+1])
boundarySize = ((blockIdx+1) << 8) + pOffsetArray[iCount+1] - offsetSizeTmp;
else
boundarySize = (blockIdx << 8) + pOffsetArray[iCount+1] - offsetSizeTmp;
}
if (boundarySize > (GROUP_MAX_SIZE-5) || (iCount) == nTotalChars)
{
compressLen = (GROUP_MAX_SIZE-5);
FontLzmaCompress(compressBuf, &compressLen, pData, offsetSize-offsetSizeTmp);
//uncompressLen = (offsetSize-offsetSizeTmp);
//FontLzmaUncompress(uncompressBuf, &uncompressLen, compressBuf, &compressLen);
memcpy(&pDataArrayCompressed[compressTotalLen], compressBuf, compressLen+5);
sGroupData->nOffset = offsetSizeTmp;
sGroupData->nSize = compressLen+5;
compressTotalLen += (compressLen+5);
offsetSizeTmp = offsetSize;
pData = &(pDataArray[offsetSizeTmp]);
groupNum++;
sGroupData++;
}
}
sGroupData->nOffset = offsetSizeTmp;
sGroupData->nSize = 0;
groupNum++;
*nCompressTotalLen = compressTotalLen;
return groupNum;
}