1 /*

     2  *

     3  * (C) Copyright IBM Corp. 1998-2005 - All Rights Reserved

     4  *

     5  */

     6 

     7 #include "LETypes.h"

     8 #include "LEFontInstance.h"

     9 #include "OpenTypeTables.h"

    10 #include "GlyphPositioningTables.h"

    11 #include "SinglePositioningSubtables.h"

    12 #include "ValueRecords.h"

    13 #include "GlyphIterator.h"

    14 #include "LESwaps.h"

    15 

    16 U_NAMESPACE_BEGIN

    17 

    18 le_uint32 SinglePositioningSubtable::process(GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const

    19 {

    20     switch(SWAPW(subtableFormat))

    21     {

    22     case 0:

    23         return 0;

    24 

    25     case 1:

    26     {

    27         const SinglePositioningFormat1Subtable *subtable = (const SinglePositioningFormat1Subtable *) this;

    28 

    29         return subtable->process(glyphIterator, fontInstance);

    30     }

    31 

    32     case 2:

    33     {

    34         const SinglePositioningFormat2Subtable *subtable = (const SinglePositioningFormat2Subtable *) this;

    35 

    36         return subtable->process(glyphIterator, fontInstance);

    37     }

    38 

    39     default:

    40         return 0;

    41     }

    42 }

    43 

    44 le_uint32 SinglePositioningFormat1Subtable::process(GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const

    45 {

    46     LEGlyphID glyph = glyphIterator->getCurrGlyphID();

    47     le_int32 coverageIndex = getGlyphCoverage(glyph);

    48 

    49     if (coverageIndex >= 0) {

    50         valueRecord.adjustPosition(SWAPW(valueFormat), (const char *) this, *glyphIterator, fontInstance);

    51 

    52         return 1;

    53     }

    54 

    55     return 0;

    56 }

    57 

    58 le_uint32 SinglePositioningFormat2Subtable::process(GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const

    59 {

    60     LEGlyphID glyph = glyphIterator->getCurrGlyphID();

    61     le_int16 coverageIndex = (le_int16) getGlyphCoverage(glyph);

    62 

    63     if (coverageIndex >= 0) {

    64         valueRecordArray[0].adjustPosition(coverageIndex, SWAPW(valueFormat), (const char *) this, *glyphIterator, fontInstance);

    65 

    66         return 1;

    67     }

    68 

    69     return 0;

    70 }

    71 

    72 U_NAMESPACE_END