1 /*

     2  *

     3  * (C) Copyright IBM Corp. 1998-2004 - All Rights Reserved

     4  *

     5  */

     6 

     7 #include "LETypes.h"

     8 #include "MorphTables.h"

     9 #include "SubtableProcessor.h"

    10 #include "NonContextualGlyphSubst.h"

    11 #include "NonContextualGlyphSubstProc.h"

    12 #include "TrimmedArrayProcessor.h"

    13 #include "LEGlyphStorage.h"

    14 #include "LESwaps.h"

    15 

    16 U_NAMESPACE_BEGIN

    17 

    18 UOBJECT_DEFINE_RTTI_IMPLEMENTATION(TrimmedArrayProcessor)

    19 

    20 TrimmedArrayProcessor::TrimmedArrayProcessor()

    21 {

    22 }

    23 

    24 TrimmedArrayProcessor::TrimmedArrayProcessor(const MorphSubtableHeader *morphSubtableHeader)

    25   : NonContextualGlyphSubstitutionProcessor(morphSubtableHeader)

    26 {

    27     const NonContextualGlyphSubstitutionHeader *header = (const NonContextualGlyphSubstitutionHeader *) morphSubtableHeader;

    28 

    29     trimmedArrayLookupTable = (const TrimmedArrayLookupTable *) &header->table;

    30     firstGlyph = SWAPW(trimmedArrayLookupTable->firstGlyph);

    31     lastGlyph = firstGlyph + SWAPW(trimmedArrayLookupTable->glyphCount);

    32 }

    33 

    34 TrimmedArrayProcessor::~TrimmedArrayProcessor()

    35 {

    36 }

    37 

    38 void TrimmedArrayProcessor::process(LEGlyphStorage &glyphStorage)

    39 {

    40     le_int32 glyphCount = glyphStorage.getGlyphCount();

    41     le_int32 glyph;

    42 

    43     for (glyph = 0; glyph < glyphCount; glyph += 1) {

    44         LEGlyphID thisGlyph = glyphStorage[glyph];

    45         TTGlyphID ttGlyph = (TTGlyphID) LE_GET_GLYPH(thisGlyph);

    46 

    47         if ((ttGlyph > firstGlyph) && (ttGlyph < lastGlyph)) {

    48             TTGlyphID newGlyph = SWAPW(trimmedArrayLookupTable->valueArray[ttGlyph - firstGlyph]);

    49 

    50             glyphStorage[glyph] = LE_SET_GLYPH(thisGlyph, newGlyph);

    51         }

    52     }

    53 } 

    54 

    55 U_NAMESPACE_END