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-/*
- **********************************************************************
- * Copyright (C) 1998-2014, International Business Machines
- * Corporation and others. All Rights Reserved.
- **********************************************************************
- */
-
-#ifndef __LEGLYPHSTORAGE_H
-#define __LEGLYPHSTORAGE_H
-
-#include "LETypes.h"
-#include "LEInsertionList.h"
-
-/**
- * \file
- * \brief C++ API: This class encapsulates the per-glyph storage used by the ICU LayoutEngine.
- */
-
-U_NAMESPACE_BEGIN
-
-/**
- * This class encapsulates the per-glyph storage used by the ICU LayoutEngine.
- * For each glyph it holds the glyph ID, the index of the backing store character
- * which produced the glyph, the X and Y position of the glyph and an auxillary data
- * pointer.
- *
- * The storage is growable using the <code>LEInsertionList</code> class.
- *
- *
- * @see LEInsertionList.h
- *
- * @deprecated ICU 54. See {@link icu::LayoutEngine}
- */
-class U_LAYOUT_API LEGlyphStorage : public UObject, protected LEInsertionCallback
-{
-private:
- /**
- * The number of entries in the per-glyph arrays.
- *
- * @internal
- */
- le_int32 fGlyphCount;
-
- /**
- * The glyph ID array.
- *
- * @internal
- */
- LEGlyphID *fGlyphs;
-
- /**
- * The char indices array.
- *
- * @internal
- */
- le_int32 *fCharIndices;
-
- /**
- * The glyph positions array.
- *
- * @internal
- */
- float *fPositions;
-
- /**
- * The auxillary data array.
- *
- * @internal
- */
- le_uint32 *fAuxData;
-
-
- /**
- * The insertion list, used to grow the above arrays.
- *
- * @internal
- */
- LEInsertionList *fInsertionList;
-
- /**
- * The source index while growing the data arrays.
- *
- * @internal
- */
- le_int32 fSrcIndex;
-
- /**
- * The destination index used while growing the data arrays.
- *
- * @internal
- */
- le_int32 fDestIndex;
-
-protected:
- /**
- * This implements <code>LEInsertionCallback</code>. The <code>LEInsertionList</code>
- * will call this method once for each insertion.
- *
- * @param atPosition the position of the insertion
- * @param count the number of glyphs being inserted
- * @param newGlyphs the address of the new glyph IDs
- *
- * @return <code>true</code> if <code>LEInsertionList</code> should stop
- * processing the insertion list after this insertion.
- *
- * @see LEInsertionList.h
- *
- * @deprecated ICU 54. See {@link icu::LayoutEngine}
- */
- virtual le_bool applyInsertion(le_int32 atPosition, le_int32 count, LEGlyphID newGlyphs[]);
-
-public:
-
- /**
- * Allocates an empty <code>LEGlyphStorage</code> object. You must call
- * <code>allocateGlyphArray, allocatePositions and allocateAuxData</code>
- * to allocate the data.
- *
- * @deprecated ICU 54. See {@link icu::LayoutEngine}
- */
- LEGlyphStorage();
-
- /**
- * The destructor. This will deallocate all of the arrays.
- *
- * @deprecated ICU 54. See {@link icu::LayoutEngine}
- */
- ~LEGlyphStorage();
-
- /**
- * This method returns the number of glyphs in the glyph array.
- *
- * @return the number of glyphs in the glyph array
- *
- * @deprecated ICU 54. See {@link icu::LayoutEngine}
- */
- inline le_int32 getGlyphCount() const;
-
- /**
- * This method copies the glyph array into a caller supplied array.
- * The caller must ensure that the array is large enough to hold all
- * the glyphs.
- *
- * @param glyphs - the destiniation glyph array
- * @param success - set to an error code if the operation fails
- *
- * @deprecated ICU 54. See {@link icu::LayoutEngine}
- */
- void getGlyphs(LEGlyphID glyphs[], LEErrorCode &success) const;
-
- /**
- * This method copies the glyph array into a caller supplied array,
- * ORing in extra bits. (This functionality is needed by the JDK,
- * which uses 32 bits pre glyph idex, with the high 16 bits encoding
- * the composite font slot number)
- *
- * @param glyphs - the destination (32 bit) glyph array
- * @param extraBits - this value will be ORed with each glyph index
- * @param success - set to an error code if the operation fails
- *
- * @deprecated ICU 54. See {@link icu::LayoutEngine}
- */
- void getGlyphs(le_uint32 glyphs[], le_uint32 extraBits, LEErrorCode &success) const;
-
- /**
- * This method copies the character index array into a caller supplied array.
- * The caller must ensure that the array is large enough to hold a
- * character index for each glyph.
- *
- * @param charIndices - the destiniation character index array
- * @param success - set to an error code if the operation fails
- *
- * @deprecated ICU 54. See {@link icu::LayoutEngine}
- */
- void getCharIndices(le_int32 charIndices[], LEErrorCode &success) const;
-
- /**
- * This method copies the character index array into a caller supplied array.
- * The caller must ensure that the array is large enough to hold a
- * character index for each glyph.
- *
- * @param charIndices - the destiniation character index array
- * @param indexBase - an offset which will be added to each index
- * @param success - set to an error code if the operation fails
- *
- * @deprecated ICU 54. See {@link icu::LayoutEngine}
- */
- void getCharIndices(le_int32 charIndices[], le_int32 indexBase, LEErrorCode &success) const;
-
- /**
- * This method copies the position array into a caller supplied array.
- * The caller must ensure that the array is large enough to hold an
- * X and Y position for each glyph, plus an extra X and Y for the
- * advance of the last glyph.
- *
- * @param positions - the destiniation position array
- * @param success - set to an error code if the operation fails
- *
- * @deprecated ICU 54. See {@link icu::LayoutEngine}
- */
- void getGlyphPositions(float positions[], LEErrorCode &success) const;
-
- /**
- * This method returns the X and Y position of the glyph at
- * the given index.
- *
- * Input parameters:
- * @param glyphIndex - the index of the glyph
- *
- * Output parameters:
- * @param x - the glyph's X position
- * @param y - the glyph's Y position
- * @param success - set to an error code if the operation fails
- *
- * @deprecated ICU 54. See {@link icu::LayoutEngine}
- */
- void getGlyphPosition(le_int32 glyphIndex, float &x, float &y, LEErrorCode &success) const;
-
- /**
- * This method allocates the glyph array, the char indices array and the insertion list. You
- * must call this method before using the object. This method also initializes the char indices
- * array.
- *
- * @param initialGlyphCount the initial size of the glyph and char indices arrays.
- * @param rightToLeft <code>true</code> if the original input text is right to left.
- * @param success set to an error code if the storage cannot be allocated of if the initial
- * glyph count is not positive.
- *
- * @deprecated ICU 54. See {@link icu::LayoutEngine}
- */
- void allocateGlyphArray(le_int32 initialGlyphCount, le_bool rightToLeft, LEErrorCode &success);
-
- /**
- * This method allocates the storage for the glyph positions. It allocates one extra X, Y
- * position pair for the position just after the last glyph.
- *
- * @param success set to an error code if the positions array cannot be allocated.
- *
- * @return the number of X, Y position pairs allocated.
- *
- * @deprecated ICU 54. See {@link icu::LayoutEngine}
- */
- le_int32 allocatePositions(LEErrorCode &success);
-
- /**
- * This method allocates the storage for the auxillary glyph data.
- *
- * @param success set to an error code if the aulillary data array cannot be allocated.
- *
- * @return the size of the auxillary data array.
- *
- * @deprecated ICU 54. See {@link icu::LayoutEngine}
- */
- le_int32 allocateAuxData(LEErrorCode &success);
-
- /**
- * Copy the entire auxillary data array.
- *
- * @param auxData the auxillary data array will be copied to this address
- * @param success set to an error code if the data cannot be copied
- *
- * @deprecated ICU 54. See {@link icu::LayoutEngine}
- */
- void getAuxData(le_uint32 auxData[], LEErrorCode &success) const;
-
- /**
- * Get the glyph ID for a particular glyph.
- *
- * @param glyphIndex the index into the glyph array
- * @param success set to an error code if the glyph ID cannot be retrieved.
- *
- * @return the glyph ID
- *
- * @deprecated ICU 54. See {@link icu::LayoutEngine}
- */
- LEGlyphID getGlyphID(le_int32 glyphIndex, LEErrorCode &success) const;
-
- /**
- * Get the char index for a particular glyph.
- *
- * @param glyphIndex the index into the glyph array
- * @param success set to an error code if the char index cannot be retrieved.
- *
- * @return the character index
- *
- * @deprecated ICU 54. See {@link icu::LayoutEngine}
- */
- le_int32 getCharIndex(le_int32 glyphIndex, LEErrorCode &success) const;
-
-
- /**
- * Get the auxillary data for a particular glyph.
- *
- * @param glyphIndex the index into the glyph array
- * @param success set to an error code if the auxillary data cannot be retrieved.
- *
- * @return the auxillary data
- *
- * @deprecated ICU 54. See {@link icu::LayoutEngine}
- */
- le_uint32 getAuxData(le_int32 glyphIndex, LEErrorCode &success) const;
-
- /**
- * This operator allows direct access to the glyph array
- * using the index operator.
- *
- * @param glyphIndex the index into the glyph array
- *
- * @return a reference to the given location in the glyph array
- *
- * @deprecated ICU 54. See {@link icu::LayoutEngine}
- */
- inline LEGlyphID &operator[](le_int32 glyphIndex) const;
-
- /**
- * Call this method to replace a single glyph in the glyph array
- * with multiple glyphs. This method uses the <code>LEInsertionList</code>
- * to do the insertion. It returns the address of storage where the new
- * glyph IDs can be stored. They will not actually be inserted into the
- * glyph array until <code>applyInsertions</code> is called.
- *
- * @param atIndex the index of the glyph to be replaced
- * @param insertCount the number of glyphs to replace it with
- * @param success set to an error code if the auxillary data cannot be retrieved.
- *
- * @return the address at which to store the replacement glyphs.
- *
- * @see LEInsertionList.h
- *
- * @deprecated ICU 54. See {@link icu::LayoutEngine}
- */
- LEGlyphID *insertGlyphs(le_int32 atIndex, le_int32 insertCount, LEErrorCode& success);
-
- /**
- * Call this method to replace a single glyph in the glyph array
- * with multiple glyphs. This method uses the <code>LEInsertionList</code>
- * to do the insertion. It returns the address of storage where the new
- * glyph IDs can be stored. They will not actually be inserted into the
- * glyph array until <code>applyInsertions</code> is called.
- *
- * Note: Don't use this version, use the other version of this function which has an error code.
- *
- * @param atIndex the index of the glyph to be replaced
- * @param insertCount the number of glyphs to replace it with
- *
- * @return the address at which to store the replacement glyphs.
- *
- * @see LEInsertionList.h
- *
- * @deprecated ICU 54. See {@link icu::LayoutEngine}
- */
- LEGlyphID *insertGlyphs(le_int32 atIndex, le_int32 insertCount);
-
- /**
- * This method is used to reposition glyphs during Indic v2 processing. It moves
- * all of the relevant glyph information ( glyph, indices, positions, and auxData ),
- * from the source position to the target position, and also allows for a marker bit
- * to be set in the target glyph's auxData so that it won't be reprocessed later in the
- * cycle.
- *
- * @param fromPosition - position of the glyph to be moved
- * @param toPosition - target position of the glyph
- * @param marker marker bit
- *
- * @deprecated ICU 54. See {@link icu::LayoutEngine}
- */
- void moveGlyph(le_int32 fromPosition, le_int32 toPosition, le_uint32 marker);
-
- /**
- * This method causes all of the glyph insertions recorded by
- * <code>insertGlyphs</code> to be applied to the glyph array. The
- * new slots in the char indices and the auxillary data arrays
- * will be filled in with the values for the glyph being replaced.
- *
- * @return the new size of the glyph array
- *
- * @see LEInsertionList.h
- *
- * @deprecated ICU 54. See {@link icu::LayoutEngine}
- */
- le_int32 applyInsertions();
-
- /**
- * Set the glyph ID for a particular glyph.
- *
- * @param glyphIndex the index of the glyph
- * @param glyphID the new glyph ID
- * @param success will be set to an error code if the glyph ID cannot be set.
- *
- * @deprecated ICU 54. See {@link icu::LayoutEngine}
- */
- void setGlyphID(le_int32 glyphIndex, LEGlyphID glyphID, LEErrorCode &success);
-
- /**
- * Set the char index for a particular glyph.
- *
- * @param glyphIndex the index of the glyph
- * @param charIndex the new char index
- * @param success will be set to an error code if the char index cannot be set.
- *
- * @deprecated ICU 54. See {@link icu::LayoutEngine}
- */
- void setCharIndex(le_int32 glyphIndex, le_int32 charIndex, LEErrorCode &success);
-
- /**
- * Set the X, Y position for a particular glyph.
- *
- * @param glyphIndex the index of the glyph
- * @param x the new X position
- * @param y the new Y position
- * @param success will be set to an error code if the position cannot be set.
- *
- * @deprecated ICU 54. See {@link icu::LayoutEngine}
- */
- void setPosition(le_int32 glyphIndex, float x, float y, LEErrorCode &success);
-
- /**
- * Adjust the X, Y position for a particular glyph.
- *
- * @param glyphIndex the index of the glyph
- * @param xAdjust the adjustment to the glyph's X position
- * @param yAdjust the adjustment to the glyph's Y position
- * @param success will be set to an error code if the glyph's position cannot be adjusted.
- *
- * @deprecated ICU 54. See {@link icu::LayoutEngine}
- */
- void adjustPosition(le_int32 glyphIndex, float xAdjust, float yAdjust, LEErrorCode &success);
-
- /**
- * Set the auxillary data for a particular glyph.
- *
- * @param glyphIndex the index of the glyph
- * @param auxData the new auxillary data
- * @param success will be set to an error code if the auxillary data cannot be set.
- *
- * @deprecated ICU 54. See {@link icu::LayoutEngine}
- */
- void setAuxData(le_int32 glyphIndex, le_uint32 auxData, LEErrorCode &success);
-
- /**
- * Delete the glyph array and replace it with the one
- * in <code>from</code>. Set the glyph array pointer
- * in <code>from</code> to <code>NULL</code>.
- *
- * @param from the <code>LEGlyphStorage</code> object from which
- * to get the new glyph array.
- *
- * @deprecated ICU 54. See {@link icu::LayoutEngine}
- */
- void adoptGlyphArray(LEGlyphStorage &from);
-
- /**
- * Delete the char indices array and replace it with the one
- * in <code>from</code>. Set the char indices array pointer
- * in <code>from</code> to <code>NULL</code>.
- *
- * @param from the <code>LEGlyphStorage</code> object from which
- * to get the new char indices array.
- *
- * @deprecated ICU 54. See {@link icu::LayoutEngine}
- */
- void adoptCharIndicesArray(LEGlyphStorage &from);
-
- /**
- * Delete the position array and replace it with the one
- * in <code>from</code>. Set the position array pointer
- * in <code>from</code> to <code>NULL</code>.
- *
- * @param from the <code>LEGlyphStorage</code> object from which
- * to get the new position array.
- *
- * @deprecated ICU 54. See {@link icu::LayoutEngine}
- */
- void adoptPositionArray(LEGlyphStorage &from);
-
- /**
- * Delete the auxillary data array and replace it with the one
- * in <code>from</code>. Set the auxillary data array pointer
- * in <code>from</code> to <code>NULL</code>.
- *
- * @param from the <code>LEGlyphStorage</code> object from which
- * to get the new auxillary data array.
- *
- * @deprecated ICU 54. See {@link icu::LayoutEngine}
- */
- void adoptAuxDataArray(LEGlyphStorage &from);
-
- /**
- * Change the glyph count of this object to be the same
- * as the one in <code>from</code>.
- *
- * @param from the <code>LEGlyphStorage</code> object from which
- * to get the new glyph count.
- *
- * @deprecated ICU 54. See {@link icu::LayoutEngine}
- */
- void adoptGlyphCount(LEGlyphStorage &from);
-
- /**
- * Change the glyph count of this object to the given value.
- *
- * @param newGlyphCount the new glyph count.
- *
- * @deprecated ICU 54. See {@link icu::LayoutEngine}
- */
- void adoptGlyphCount(le_int32 newGlyphCount);
-
- /**
- * This method frees the glyph, character index, position and
- * auxillary data arrays so that the LayoutEngine can be reused
- * to layout a different characer array. (This method is also called
- * by the destructor)
- *
- * @deprecated ICU 54. See {@link icu::LayoutEngine}
- */
- void reset();
-
- /**
- * 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();
-};
-
-inline le_int32 LEGlyphStorage::getGlyphCount() const
-{
- return fGlyphCount;
-}
-
-inline LEGlyphID &LEGlyphStorage::operator[](le_int32 glyphIndex) const
-{
- return fGlyphs[glyphIndex];
-}
-
-
-U_NAMESPACE_END
-#endif
-