ICU-64232.0.1.tar.gz

[apple/icu.git] / icuSources / layout / GXLayoutEngine2.h

diff --git a/icuSources/layout/GXLayoutEngine2.h b/icuSources/layout/GXLayoutEngine2.h
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--- a/icuSources/layout/GXLayoutEngine2.h
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-/*
- *
- * (C) Copyright IBM Corp.  and others 1998-2014 - All Rights Reserved
- *
- */
-
-#ifndef __GXLAYOUTENGINE2_H
-#define __GXLAYOUTENGINE2_H
-
-#include "LETypes.h"
-#include "LayoutEngine.h"
-
-#include "MorphTables.h"
-
-U_NAMESPACE_BEGIN
-
-class LEFontInstance;
-class LEGlyphStorage;
-
-/**
- * This class implements layout for QuickDraw GX or Apple Advanced Typograyph (AAT)
- * fonts. A font is a GX or AAT font if it contains a 'mort' table. See Apple's
- * TrueType Reference Manual (http://fonts.apple.com/TTRefMan/index.html) for details.
- * Information about 'mort' tables is in the chapter titled "Font Files."
- *
- * @internal
- */
-class GXLayoutEngine2 : public LayoutEngine
-{
-public:
-    /**
-     * This is the main constructor. It constructs an instance of GXLayoutEngine for
-     * a particular font, script and language. It takes the 'mort' table as a parameter since
-     * LayoutEngine::layoutEngineFactory has to read the 'mort' table to know that it has a
-     * GX font.
-     *
-     * Note: GX and AAT fonts don't contain any script and language specific tables, so
-     * the script and language are ignored.
-     *
-     * @param fontInstance - the font
-     * @param scriptCode - the script
-     * @param langaugeCode - the language
-     * @param morphTable - the 'mort' table
-     * @param success - set to an error code if the operation fails
-     *
-     * @see LayoutEngine::layoutEngineFactory
-     * @see ScriptAndLangaugeTags.h for script and language codes
-     *
-     * @internal
-     */
-    GXLayoutEngine2(const LEFontInstance *fontInstance, le_int32 scriptCode, le_int32 languageCode, const LEReferenceTo<MorphTableHeader2> &morphTable, le_int32 typoFlags, LEErrorCode &success);
-
-    /**
-     * The destructor, virtual for correct polymorphic invocation.
-     *
-     * @internal
-     */
-    virtual ~GXLayoutEngine2();
-
-    /**
-     * ICU "poor man's RTTI", returns a UClassID for the actual class.
-     *
-     * @deprecated ICU 54. See {@link icu::LayoutEngine}
-     */
-    virtual UClassID getDynamicClassID() const;
-
-    /**
-     * ICU "poor man's RTTI", returns a UClassID for this class.
-     *
-     * @deprecated ICU 54. See {@link icu::LayoutEngine}
-     */
-    static UClassID getStaticClassID();
-
-protected:
-
-    /**
-     * The address of the 'mort' table
-     *
-     * @internal
-     */
-    const LEReferenceTo<MorphTableHeader2> fMorphTable;
-
-    /**
-     * This method does GX layout using the font's 'mort' table. It converts the
-     * input character codes to glyph indices using mapCharsToGlyphs, and then
-     * applies the 'mort' table.
-     *
-     * Input parameters:
-     * @param chars - the input character context
-     * @param offset - the index of the first character to process
-     * @param count - the number of characters to process
-     * @param max - the number of characters in the input context
-     * @param rightToLeft - <code>TRUE</code> if the text is in a right to left directional run
-     * @param glyphStorage - the glyph storage object. The glyph and char index arrays will be set.
-     *
-     * Output parameters:
-     * @param success - set to an error code if the operation fails
-     *
-     * @return the number of glyphs in the glyph index array
-     *
-     * @internal
-     */
-    virtual le_int32 computeGlyphs(const LEUnicode chars[], le_int32 offset, le_int32 count, le_int32 max, le_bool rightToLeft,
-        LEGlyphStorage &glyphStorage, LEErrorCode &success);
-
-    /**
-     * This method adjusts the glyph positions using the font's
-     * 'kern', 'trak', 'bsln', 'opbd' and 'just' tables.
-     *
-     * Input parameters:
-     * @param glyphStorage - the object holding the glyph storage. The positions will be updated as needed.
-     *
-     * Output parameters:
-     * @param success - set to an error code if the operation fails
-     *
-     * @internal
-     */
-    virtual void adjustGlyphPositions(const LEUnicode chars[], le_int32 offset, le_int32 count, le_bool reverse,
-                                      LEGlyphStorage &glyphStorage, LEErrorCode &success);
-
-};
-
-U_NAMESPACE_END
-#endif
-