--- a/src/java.desktop/share/native/libfontmanager/layout/ArabicShaping.cpp Thu Oct 12 10:40:45 2017 +0530
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,238 +0,0 @@
-/*
- * 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. 1998-2005 - All Rights Reserved
- *
- */
-
-#include "LETypes.h"
-#include "OpenTypeTables.h"
-#include "ArabicShaping.h"
-#include "LEGlyphStorage.h"
-#include "ClassDefinitionTables.h"
-
-U_NAMESPACE_BEGIN
-
-// This table maps Unicode joining types to
-// ShapeTypes.
-const ArabicShaping::ShapeType ArabicShaping::shapeTypes[] =
-{
- ArabicShaping::ST_NOSHAPE_NONE, // [U]
- ArabicShaping::ST_NOSHAPE_DUAL, // [C]
- ArabicShaping::ST_DUAL, // [D]
- ArabicShaping::ST_LEFT, // [L]
- ArabicShaping::ST_RIGHT, // [R]
- ArabicShaping::ST_TRANSPARENT // [T]
-};
-
-/*
- shaping array holds types for Arabic chars between 0610 and 0700
- other values are either unshaped, or transparent if a mark or format
- code, except for format codes 200c (zero-width non-joiner) and 200d
- (dual-width joiner) which are both unshaped and non_joining or
- dual-joining, respectively.
-*/
-ArabicShaping::ShapeType ArabicShaping::getShapeType(LEUnicode c)
-{
- LEErrorCode success = LE_NO_ERROR;
- const LEReferenceTo<ClassDefinitionTable> joiningTypes(LETableReference::kStaticData,
- (const ClassDefinitionTable *) ArabicShaping::shapingTypeTable,
- ArabicShaping::shapingTypeTableLen);
- le_int32 joiningType = joiningTypes->getGlyphClass(joiningTypes, c, success);
-
- if (joiningType >= 0 && joiningType < ArabicShaping::JT_COUNT && LE_SUCCESS(success)) {
- return ArabicShaping::shapeTypes[joiningType];
- }
-
- return ArabicShaping::ST_NOSHAPE_NONE;
-}
-
-#define isolFeatureTag LE_ISOL_FEATURE_TAG
-#define initFeatureTag LE_INIT_FEATURE_TAG
-#define mediFeatureTag LE_MEDI_FEATURE_TAG
-#define finaFeatureTag LE_FINA_FEATURE_TAG
-#define ligaFeatureTag LE_LIGA_FEATURE_TAG
-#define msetFeatureTag LE_MSET_FEATURE_TAG
-#define markFeatureTag LE_MARK_FEATURE_TAG
-#define ccmpFeatureTag LE_CCMP_FEATURE_TAG
-#define rligFeatureTag LE_RLIG_FEATURE_TAG
-#define caltFeatureTag LE_CALT_FEATURE_TAG
-#define dligFeatureTag LE_DLIG_FEATURE_TAG
-#define cswhFeatureTag LE_CSWH_FEATURE_TAG
-#define cursFeatureTag LE_CURS_FEATURE_TAG
-#define kernFeatureTag LE_KERN_FEATURE_TAG
-#define mkmkFeatureTag LE_MKMK_FEATURE_TAG
-
-// NOTE:
-// The isol, fina, init and medi features must be
-// defined in the above order, and have masks that
-// are all in the same nibble.
-#define isolFeatureMask 0x80000000UL
-#define finaFeatureMask 0x40000000UL
-#define initFeatureMask 0x20000000UL
-#define mediFeatureMask 0x10000000UL
-#define ccmpFeatureMask 0x08000000UL
-#define rligFeatureMask 0x04000000UL
-#define caltFeatureMask 0x02000000UL
-#define ligaFeatureMask 0x01000000UL
-#define dligFeatureMask 0x00800000UL
-#define cswhFeatureMask 0x00400000UL
-#define msetFeatureMask 0x00200000UL
-#define cursFeatureMask 0x00100000UL
-#define kernFeatureMask 0x00080000UL
-#define markFeatureMask 0x00040000UL
-#define mkmkFeatureMask 0x00020000UL
-
-#define NO_FEATURES 0
-#define ISOL_FEATURES (isolFeatureMask | ligaFeatureMask | msetFeatureMask | markFeatureMask | ccmpFeatureMask | rligFeatureMask | caltFeatureMask | dligFeatureMask | cswhFeatureMask | cursFeatureMask | kernFeatureMask | mkmkFeatureMask)
-
-#define SHAPE_MASK 0xF0000000UL
-
-static const FeatureMap featureMap[] = {
- {ccmpFeatureTag, ccmpFeatureMask},
- {isolFeatureTag, isolFeatureMask},
- {finaFeatureTag, finaFeatureMask},
- {mediFeatureTag, mediFeatureMask},
- {initFeatureTag, initFeatureMask},
- {rligFeatureTag, rligFeatureMask},
- {caltFeatureTag, caltFeatureMask},
- {ligaFeatureTag, ligaFeatureMask},
- {dligFeatureTag, dligFeatureMask},
- {cswhFeatureTag, cswhFeatureMask},
- {msetFeatureTag, msetFeatureMask},
- {cursFeatureTag, cursFeatureMask},
- {kernFeatureTag, kernFeatureMask},
- {markFeatureTag, markFeatureMask},
- {mkmkFeatureTag, mkmkFeatureMask}
-};
-
-const FeatureMap *ArabicShaping::getFeatureMap(le_int32 &count)
-{
- count = LE_ARRAY_SIZE(featureMap);
-
- return featureMap;
-}
-
-void ArabicShaping::adjustTags(le_int32 outIndex, le_int32 shapeOffset, LEGlyphStorage &glyphStorage)
-{
- LEErrorCode success = LE_NO_ERROR;
- FeatureMask featureMask = (FeatureMask) glyphStorage.getAuxData(outIndex, success);
- FeatureMask shape = featureMask & SHAPE_MASK;
-
- shape >>= shapeOffset;
-
- glyphStorage.setAuxData(outIndex, ((featureMask & ~SHAPE_MASK) | shape), success);
-}
-
-void ArabicShaping::shape(const LEUnicode *chars, le_int32 offset, le_int32 charCount, le_int32 charMax,
- le_bool rightToLeft, LEGlyphStorage &glyphStorage)
-{
- // iterate in logical order, store tags in visible order
- //
- // the effective right char is the most recently encountered
- // non-transparent char
- //
- // four boolean states:
- // the effective right char shapes
- // the effective right char causes left shaping
- // the current char shapes
- // the current char causes right shaping
- //
- // if both cause shaping, then
- // shaper.shape(errout, 2) (isolate to initial, or final to medial)
- // shaper.shape(out, 1) (isolate to final)
-
- ShapeType rightType = ST_NOSHAPE_NONE, leftType = ST_NOSHAPE_NONE;
- LEErrorCode success = LE_NO_ERROR;
- le_int32 i;
-
- for (i = offset - 1; i >= 0; i -= 1) {
- rightType = getShapeType(chars[i]);
-
- if (rightType != ST_TRANSPARENT) {
- break;
- }
- }
-
- for (i = offset + charCount; i < charMax; i += 1) {
- leftType = getShapeType(chars[i]);
-
- if (leftType != ST_TRANSPARENT) {
- break;
- }
- }
-
- // erout is effective right logical index
- le_int32 erout = -1;
- le_bool rightShapes = FALSE;
- le_bool rightCauses = (rightType & MASK_SHAPE_LEFT) != 0;
- le_int32 in, e, out = 0, dir = 1;
-
- if (rightToLeft) {
- out = charCount - 1;
- erout = charCount;
- dir = -1;
- }
-
- for (in = offset, e = offset + charCount; in < e; in += 1, out += dir) {
- LEUnicode c = chars[in];
- ShapeType t = getShapeType(c);
-
- if (t == ST_NOSHAPE_NONE) {
- glyphStorage.setAuxData(out, NO_FEATURES, success);
- } else {
- glyphStorage.setAuxData(out, ISOL_FEATURES, success);
- }
-
- if ((t & MASK_TRANSPARENT) != 0) {
- continue;
- }
-
- le_bool curShapes = (t & MASK_NOSHAPE) == 0;
- le_bool curCauses = (t & MASK_SHAPE_RIGHT) != 0;
-
- if (rightCauses && curCauses) {
- if (rightShapes) {
- adjustTags(erout, 2, glyphStorage);
- }
-
- if (curShapes) {
- adjustTags(out, 1, glyphStorage);
- }
- }
-
- rightShapes = curShapes;
- rightCauses = (t & MASK_SHAPE_LEFT) != 0;
- erout = out;
- }
-
- if (rightShapes && rightCauses && (leftType & MASK_SHAPE_RIGHT) != 0) {
- adjustTags(erout, 2, glyphStorage);
- }
-}
-
-U_NAMESPACE_END