| /* |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| /* |
| * |
| * (C) Copyright IBM Corp. 1998-2004 - All Rights Reserved |
| * |
| */ |
| |
| #include "LETypes.h" |
| #include "LEGlyphFilter.h" |
| #include "OpenTypeTables.h" |
| #include "GlyphSubstitutionTables.h" |
| #include "SingleSubstitutionSubtables.h" |
| #include "GlyphIterator.h" |
| #include "LESwaps.h" |
| |
| U_NAMESPACE_BEGIN |
| |
| le_uint32 SingleSubstitutionSubtable::process(GlyphIterator *glyphIterator, const LEGlyphFilter *filter) const |
| { |
| switch(SWAPW(subtableFormat)) |
| { |
| case 0: |
| return 0; |
| |
| case 1: |
| { |
| const SingleSubstitutionFormat1Subtable *subtable = (const SingleSubstitutionFormat1Subtable *) this; |
| |
| return subtable->process(glyphIterator, filter); |
| } |
| |
| case 2: |
| { |
| const SingleSubstitutionFormat2Subtable *subtable = (const SingleSubstitutionFormat2Subtable *) this; |
| |
| return subtable->process(glyphIterator, filter); |
| } |
| |
| default: |
| return 0; |
| } |
| } |
| |
| le_uint32 SingleSubstitutionFormat1Subtable::process(GlyphIterator *glyphIterator, const LEGlyphFilter *filter) const |
| { |
| LEGlyphID glyph = glyphIterator->getCurrGlyphID(); |
| le_int32 coverageIndex = getGlyphCoverage(glyph); |
| |
| if (coverageIndex >= 0) { |
| TTGlyphID substitute = ((TTGlyphID) LE_GET_GLYPH(glyph)) + SWAPW(deltaGlyphID); |
| |
| if (filter == NULL || filter->accept(LE_SET_GLYPH(glyph, substitute))) { |
| glyphIterator->setCurrGlyphID(substitute); |
| } |
| |
| return 1; |
| } |
| |
| return 0; |
| } |
| |
| le_uint32 SingleSubstitutionFormat2Subtable::process(GlyphIterator *glyphIterator, const LEGlyphFilter *filter) const |
| { |
| LEGlyphID glyph = glyphIterator->getCurrGlyphID(); |
| le_int32 coverageIndex = getGlyphCoverage(glyph); |
| |
| if (coverageIndex >= 0) { |
| TTGlyphID substitute = SWAPW(substituteArray[coverageIndex]); |
| |
| if (filter == NULL || filter->accept(LE_SET_GLYPH(glyph, substitute))) { |
| glyphIterator->setCurrGlyphID(substitute); |
| } |
| |
| return 1; |
| } |
| |
| return 0; |
| } |
| |
| U_NAMESPACE_END |