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Diffstat (limited to 'Build/source/libs/icu-xetex/layout/ThaiLayoutEngine.cpp')
-rw-r--r--Build/source/libs/icu-xetex/layout/ThaiLayoutEngine.cpp123
1 files changed, 0 insertions, 123 deletions
diff --git a/Build/source/libs/icu-xetex/layout/ThaiLayoutEngine.cpp b/Build/source/libs/icu-xetex/layout/ThaiLayoutEngine.cpp
deleted file mode 100644
index 89154277765..00000000000
--- a/Build/source/libs/icu-xetex/layout/ThaiLayoutEngine.cpp
+++ /dev/null
@@ -1,123 +0,0 @@
-
-/*
- *
- * (C) Copyright IBM Corp. 1998-2008 - All Rights Reserved
- *
- */
-
-#include "LETypes.h"
-#include "LayoutEngine.h"
-#include "ThaiLayoutEngine.h"
-#include "ScriptAndLanguageTags.h"
-#include "LEGlyphStorage.h"
-
-#include "KernTable.h"
-
-#include "ThaiShaping.h"
-
-U_NAMESPACE_BEGIN
-
-UOBJECT_DEFINE_RTTI_IMPLEMENTATION(ThaiLayoutEngine)
-
-ThaiLayoutEngine::ThaiLayoutEngine(const LEFontInstance *fontInstance, le_int32 scriptCode, le_int32 languageCode, le_int32 typoFlags)
- : LayoutEngine(fontInstance, scriptCode, languageCode, typoFlags)
-{
- fErrorChar = 0x25CC;
-
- // Figure out which presentation forms the font uses
- if (! fontInstance->canDisplay(0x0E01)) {
- // No Thai in font; don't use presentation forms.
- fGlyphSet = 3;
- } else if (fontInstance->canDisplay(0x0E64)) {
- // WorldType uses reserved space in Thai block
- fGlyphSet = 0;
- } else if (fontInstance->canDisplay(0xF701)) {
- // Microsoft corporate zone
- fGlyphSet = 1;
-
- if (!fontInstance->canDisplay(fErrorChar)) {
- fErrorChar = 0xF71B;
- }
- } else if (fontInstance->canDisplay(0xF885)) {
- // Apple corporate zone
- fGlyphSet = 2;
- } else {
- // no presentation forms in the font
- fGlyphSet = 3;
- }
-}
-
-ThaiLayoutEngine::~ThaiLayoutEngine()
-{
- // nothing to do
-}
-
-// Input: characters (0..max provided for context)
-// Output: glyphs, char indices
-// Returns: the glyph count
-// NOTE: this assumes that ThaiShaping::compose will allocate the outChars array...
-le_int32 ThaiLayoutEngine::computeGlyphs(const LEUnicode chars[], le_int32 offset, le_int32 count, le_int32 max, le_bool /*rightToLeft*/, LEGlyphStorage &glyphStorage, LEErrorCode &success)
-{
- if (LE_FAILURE(success)) {
- return 0;
- }
-
- if (chars == NULL || offset < 0 || count < 0 || max < 0 || offset >= max || offset + count > max) {
- success = LE_ILLEGAL_ARGUMENT_ERROR;
- return 0;
- }
-
- LEUnicode *outChars;
- le_int32 glyphCount;
-
- // This is enough room for the worst-case expansion
- // (it says here...)
- outChars = LE_NEW_ARRAY(LEUnicode, count * 2);
-
- if (outChars == NULL) {
- success = LE_MEMORY_ALLOCATION_ERROR;
- return 0;
- }
-
- glyphStorage.allocateGlyphArray(count * 2, FALSE, success);
-
- if (LE_FAILURE(success)) {
- LE_DELETE_ARRAY(outChars);
- success = LE_MEMORY_ALLOCATION_ERROR;
- return 0;
- }
-
- glyphCount = ThaiShaping::compose(chars, offset, count, fGlyphSet, fErrorChar, outChars, glyphStorage);
- mapCharsToGlyphs(outChars, 0, glyphCount, FALSE, FALSE, glyphStorage, success);
-
- LE_DELETE_ARRAY(outChars);
-
- glyphStorage.adoptGlyphCount(glyphCount);
- return glyphCount;
-}
-
-// This is the same as LayoutEngline::adjustGlyphPositions() except that it doesn't call adjustMarkGlyphs
-void ThaiLayoutEngine::adjustGlyphPositions(const LEUnicode chars[], le_int32 offset, le_int32 count, le_bool /*reverse*/,
- LEGlyphStorage &glyphStorage, LEErrorCode &success)
-{
- if (LE_FAILURE(success)) {
- return;
- }
-
- if (chars == NULL || offset < 0 || count < 0) {
- success = LE_ILLEGAL_ARGUMENT_ERROR;
- return;
- }
-
- if (fTypoFlags & 0x1) { /* kerning enabled */
- static const le_uint32 kernTableTag = LE_KERN_TABLE_TAG;
-
- KernTable kt(fFontInstance, getFontTable(kernTableTag));
- kt.process(glyphStorage);
- }
-
- // default is no adjustments
- return;
-}
-
-U_NAMESPACE_END