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?? ..
?? FontMap.GDI(426 B)
?? FontMap.Gnome(392 B)
?? FontMap.cpp(7.34 KB)
?? FontMap.h(1.84 KB)
?? FontTableCache.cpp(2.37 KB)
?? FontTableCache.h(1.06 KB)
?? GDIFontInstance.cpp(9.6 KB)
?? GDIFontInstance.h(3.6 KB)
?? GDIFontMap.cpp(1.32 KB)
?? GDIFontMap.h(1.23 KB)
?? GDIGUISupport.cpp(862 B)
?? GDIGUISupport.h(949 B)
?? GUISupport.h(890 B)
?? GnomeFontInstance.cpp(5.43 KB)
?? GnomeFontInstance.h(3.79 KB)
?? GnomeFontMap.cpp(1.39 KB)
?? GnomeFontMap.h(1.21 KB)
?? GnomeGUISupport.cpp(1.05 KB)
?? GnomeGUISupport.h(961 B)
?? LayoutSample.rc(3.37 KB)
?? Makefile(2.92 KB)
?? Makefile.in(2.92 KB)
?? RenderingSurface.h(1.09 KB)
?? Sample.txt(1.66 KB)
?? ScriptCompositeFontInstance.cpp(3.2 KB)
?? ScriptCompositeFontInstance.h(6.15 KB)
?? Surface.cpp(892 B)
?? Surface.h(519 B)
?? UnicodeReader.cpp(4.1 KB)
?? UnicodeReader.h(999 B)
?? arraymem.h(646 B)
?? cgnomelayout.c(8.45 KB)
?? clayout.c(9.82 KB)
?? cmaps.cpp(5.3 KB)
?? cmaps.h(2.06 KB)
?? gdiglue.cpp(1.67 KB)
?? gdiglue.h(983 B)
?? gnomeglue.cpp(1.64 KB)
?? gnomeglue.h(986 B)
?? gnomelayout.cpp(8.5 KB)
?? gsupport.h(370 B)
?? layout.cpp(9.8 KB)
?? layout.sln(1.17 KB)
?? layout.vcxproj(13.15 KB)
?? layout.vcxproj.filters(3.06 KB)
?? paragraph.cpp(7.58 KB)
?? paragraph.h(2.18 KB)
?? pflow.c(9.27 KB)
?? pflow.h(940 B)
?? readme.html(7.32 KB)
?? resource.h(907 B)
?? rsurface.cpp(712 B)
?? rsurface.h(528 B)
?? sfnt.h(4.9 KB)
?? ucreader.cpp(509 B)
?? ucreader.h(422 B)

Editing: cmaps.cpp

/*
 *******************************************************************************
 *
 *   © 2016 and later: Unicode, Inc. and others.
 *   License & terms of use: http://www.unicode.org/copyright.html#License
 *
 *******************************************************************************
 ****************************************************************************** *
 *
 *   Copyright (C) 1999-2003, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *
 ****************************************************************************** *
 *   file name:  cmaps.cpp
 *
 *   created on: ??/??/2001
 *   created by: Eric R. Mader
 */

#include "layout/LETypes.h"
#include "layout/LESwaps.h"

#include "sfnt.h"
#include "cmaps.h"

#define SWAPU16(code) ((LEUnicode16) SWAPW(code))
#define SWAPU32(code) ((LEUnicode32) SWAPL(code))

//
// Finds the high bit by binary searching
// through the bits in value.
//
le_uint8 highBit(le_uint32 value)
{
    le_uint8 bit = 0;

if (value >= 1 << 16) {
        value >>= 16;
        bit += 16;
    }

if (value >= 1 << 8) {
        value >>= 8;
        bit += 8;
    }

if (value >= 1 << 4) {
        value >>= 4;
        bit += 4;
    }

if (value >= 1 << 2) {
        value >>= 2;
        bit += 2;
    }

if (value >= 1 << 1) {
        value >>= 1;
        bit += 1;
    }

return bit;
}

CMAPMapper *CMAPMapper::createUnicodeMapper(const CMAPTable *cmap)
{
    le_uint16 i;
    le_uint16 nSubtables = SWAPW(cmap->numberSubtables);
    const CMAPEncodingSubtable *subtable = NULL;
    le_uint32 offset1 = 0, offset10 = 0;

for (i = 0; i < nSubtables; i += 1) {
        const CMAPEncodingSubtableHeader *esh = &cmap->encodingSubtableHeaders[i];

if (SWAPW(esh->platformID) == 3) {
            switch (SWAPW(esh->platformSpecificID)) {
            case 1:
                offset1 = SWAPL(esh->encodingOffset);
                break;

case 10:
                offset10 = SWAPL(esh->encodingOffset);
                break;
            }
        }
    }

if (offset10 != 0)
    {
        subtable = (const CMAPEncodingSubtable *) ((const char *) cmap + offset10);
    } else if (offset1 != 0) {
        subtable = (const CMAPEncodingSubtable *) ((const char *) cmap + offset1);
    } else {
        return NULL;
    }

switch (SWAPW(subtable->format)) {
    case 4:
        return new CMAPFormat4Mapper(cmap, (const CMAPFormat4Encoding *) subtable);

case 12:
    {
        const CMAPFormat12Encoding *encoding = (const CMAPFormat12Encoding *) subtable;

return new CMAPGroupMapper(cmap, encoding->groups, SWAPL(encoding->nGroups));
    }

default:
        break;
    }

return NULL;
}

CMAPFormat4Mapper::CMAPFormat4Mapper(const CMAPTable *cmap, const CMAPFormat4Encoding *header)
    : CMAPMapper(cmap)
{
    le_uint16 segCount = SWAPW(header->segCountX2) / 2;

fEntrySelector = SWAPW(header->entrySelector);
    fRangeShift = SWAPW(header->rangeShift) / 2;
    fEndCodes = &header->endCodes[0];
    fStartCodes = &header->endCodes[segCount + 1]; // + 1 for reservedPad...
    fIdDelta = &fStartCodes[segCount];
    fIdRangeOffset = &fIdDelta[segCount];
}

LEGlyphID CMAPFormat4Mapper::unicodeToGlyph(LEUnicode32 unicode32) const
{
    if (unicode32 >= 0x10000) {
        return 0;
    }

LEUnicode16 unicode = (LEUnicode16) unicode32;
    le_uint16 index = 0;
    le_uint16 probe = 1 << fEntrySelector;
    TTGlyphID result = 0;

if (SWAPU16(fStartCodes[fRangeShift]) <= unicode) {
        index = fRangeShift;
    }

while (probe > (1 << 0)) {
        probe >>= 1;

if (SWAPU16(fStartCodes[index + probe]) <= unicode) {
            index += probe;
        }
    }

if (unicode >= SWAPU16(fStartCodes[index]) && unicode <= SWAPU16(fEndCodes[index])) {
        if (fIdRangeOffset[index] == 0) {
            result = (TTGlyphID) unicode;
        } else {
            le_uint16 offset = unicode - SWAPU16(fStartCodes[index]);
            le_uint16 rangeOffset = SWAPW(fIdRangeOffset[index]);
            le_uint16 *glyphIndexTable = (le_uint16 *) ((char *) &fIdRangeOffset[index] + rangeOffset);

result = SWAPW(glyphIndexTable[offset]);
        }

result += SWAPW(fIdDelta[index]);
    } else {
        result = 0;
    }

return LE_SET_GLYPH(0, result);
}

CMAPFormat4Mapper::~CMAPFormat4Mapper()
{
    // parent destructor does it all
}

CMAPGroupMapper::CMAPGroupMapper(const CMAPTable *cmap, const CMAPGroup *groups, le_uint32 nGroups)
    : CMAPMapper(cmap), fGroups(groups)
{
    le_uint8 bit = highBit(nGroups);
    fPower = 1 << bit;
    fRangeOffset = nGroups - fPower;
}

LEGlyphID CMAPGroupMapper::unicodeToGlyph(LEUnicode32 unicode32) const
{
    le_int32 probe = fPower;
    le_int32 range = 0;

if (SWAPU32(fGroups[fRangeOffset].startCharCode) <= unicode32) {
        range = fRangeOffset;
    }

while (probe > (1 << 0)) {
        probe >>= 1;

if (SWAPU32(fGroups[range + probe].startCharCode) <= unicode32) {
            range += probe;
        }
    }

if (SWAPU32(fGroups[range].startCharCode) <= unicode32 && SWAPU32(fGroups[range].endCharCode) >= unicode32) {
        return (LEGlyphID) (SWAPU32(fGroups[range].startGlyphCode) + unicode32 - SWAPU32(fGroups[range].startCharCode));
    }

return 0;
}

CMAPGroupMapper::~CMAPGroupMapper()
{
    // parent destructor does it all
}

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