430 lines
12 KiB
C
430 lines
12 KiB
C
|
/*
|
||
|
|
*
|
||
|
|
* (C) Copyright IBM Corp. 1998-2007 - All Rights Reserved
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __PLRUNS_H
|
||
|
|
#define __PLRUNS_H
|
||
|
|
|
||
|
|
#include "unicode/utypes.h"
|
||
|
|
#include "unicode/ubidi.h"
|
||
|
|
#include "layout/LETypes.h"
|
||
|
|
|
||
|
|
#include "layout/loengine.h"
|
||
|
|
|
||
|
|
typedef void pl_fontRuns;
|
||
|
|
typedef void pl_valueRuns;
|
||
|
|
typedef void pl_localeRuns;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* \file
|
||
|
|
* \brief C API for run arrays.
|
||
|
|
* \internal
|
||
|
|
*
|
||
|
|
* This is a technology preview. The API may
|
||
|
|
* change significantly.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Construct a <code>pl_fontRuns</code> object from pre-existing arrays of fonts
|
||
|
|
* and limit indices.
|
||
|
|
*
|
||
|
|
* @param fonts is the address of an array of pointers to <code>le_font</code> objects. This
|
||
|
|
* array, and the <code>le_font</code> objects to which it points must remain
|
||
|
|
* valid until the <code>pl_fontRuns</code> object is closed.
|
||
|
|
*
|
||
|
|
* @param limits is the address of an array of limit indices. This array must remain valid until
|
||
|
|
* the <code>pl_fontRuns</code> object is closed.
|
||
|
|
*
|
||
|
|
* @param count is the number of entries in the two arrays.
|
||
|
|
*
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
U_DRAFT pl_fontRuns * U_EXPORT2
|
||
|
|
pl_openFontRuns(const le_font **fonts,
|
||
|
|
const le_int32 *limits,
|
||
|
|
le_int32 count);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Construct an empty <code>pl_fontRuns</code> object. Clients can add font and limit
|
||
|
|
* indices arrays using the <code>pl_addFontRun</code> routine.
|
||
|
|
*
|
||
|
|
* @param initialCapacity is the initial size of the font and limit indices arrays. If
|
||
|
|
* this value is zero, no arrays will be allocated.
|
||
|
|
*
|
||
|
|
* @see pl_addFontRun
|
||
|
|
*
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
U_DRAFT pl_fontRuns * U_EXPORT2
|
||
|
|
pl_openEmptyFontRuns(le_int32 initialCapacity);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Close the given <code>pl_fontRuns</code> object. Once this
|
||
|
|
* call returns, the object can no longer be referenced.
|
||
|
|
*
|
||
|
|
* @param fontRuns is the <code>pl_fontRuns</code> object.
|
||
|
|
*
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
U_DRAFT void U_EXPORT2
|
||
|
|
pl_closeFontRuns(pl_fontRuns *fontRuns);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the number of font runs.
|
||
|
|
*
|
||
|
|
* @param fontRuns is the <code>pl_fontRuns</code> object.
|
||
|
|
*
|
||
|
|
* @return the number of entries in the limit indices array.
|
||
|
|
*
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
U_DRAFT le_int32 U_EXPORT2
|
||
|
|
pl_getFontRunCount(const pl_fontRuns *fontRuns);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Reset the number of font runs to zero.
|
||
|
|
*
|
||
|
|
* @param fontRuns is the <code>pl_fontRuns</code> object.
|
||
|
|
*
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
U_DRAFT void U_EXPORT2
|
||
|
|
pl_resetFontRuns(pl_fontRuns *fontRuns);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the limit index for the last font run. This is the
|
||
|
|
* number of characters in the text.
|
||
|
|
*
|
||
|
|
* @param fontRuns is the <code>pl_fontRuns</code> object.
|
||
|
|
*
|
||
|
|
* @return the last limit index.
|
||
|
|
*
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
U_DRAFT le_int32 U_EXPORT2
|
||
|
|
pl_getFontRunLastLimit(const pl_fontRuns *fontRuns);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the limit index for a particular font run.
|
||
|
|
*
|
||
|
|
* @param fontRuns is the <code>pl_fontRuns</code> object.
|
||
|
|
* @param run is the run. This is an index into the limit index array.
|
||
|
|
*
|
||
|
|
* @return the limit index for the run, or -1 if <code>run</code> is out of bounds.
|
||
|
|
*
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
U_DRAFT le_int32 U_EXPORT2
|
||
|
|
pl_getFontRunLimit(const pl_fontRuns *fontRuns,
|
||
|
|
le_int32 run);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the <code>le_font</code> object assoicated with the given run
|
||
|
|
* of text. Use <code>pl_getFontRunLimit(run)</code> to get the corresponding
|
||
|
|
* limit index.
|
||
|
|
*
|
||
|
|
* @param fontRuns is the <code>pl_fontRuns</code> object.
|
||
|
|
* @param run is the index into the font and limit indices arrays.
|
||
|
|
*
|
||
|
|
* @return the <code>le_font</code> associated with the given text run.
|
||
|
|
*
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
U_DRAFT const le_font * U_EXPORT2
|
||
|
|
pl_getFontRunFont(const pl_fontRuns *fontRuns,
|
||
|
|
le_int32 run);
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Add a new font run to the given <code>pl_fontRuns</code> object.
|
||
|
|
*
|
||
|
|
* If the <code>pl_fontRuns</code> object was not created by calling
|
||
|
|
* <code>pl_openEmptyFontRuns</code>, this method will return a run index of -1.
|
||
|
|
*
|
||
|
|
* @param fontRuns is the <code>pl_fontRuns</code> object.
|
||
|
|
*
|
||
|
|
* @param font is the address of the <code>le_font</code> to add. This object must
|
||
|
|
* remain valid until the <code>pl_fontRuns</code> object is closed.
|
||
|
|
*
|
||
|
|
* @param limit is the limit index to add
|
||
|
|
*
|
||
|
|
* @return the run index where the font and limit index were stored, or -1 if
|
||
|
|
* the run cannot be added.
|
||
|
|
*
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
U_DRAFT le_int32 U_EXPORT2
|
||
|
|
pl_addFontRun(pl_fontRuns *fontRuns,
|
||
|
|
const le_font *font,
|
||
|
|
le_int32 limit);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Construct a <code>pl_valueRuns</code> object from pre-existing arrays of values
|
||
|
|
* and limit indices.
|
||
|
|
*
|
||
|
|
* @param values is the address of an array of values. This array must remain valid until
|
||
|
|
the <code>pl_valueRuns</code> object is closed.
|
||
|
|
*
|
||
|
|
* @param limits is the address of an array of limit indices. This array must remain valid until
|
||
|
|
* the <code>pl_valueRuns</code> object is closed.
|
||
|
|
*
|
||
|
|
* @param count is the number of entries in the two arrays.
|
||
|
|
*
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
U_DRAFT pl_valueRuns * U_EXPORT2
|
||
|
|
pl_openValueRuns(const le_int32 *values,
|
||
|
|
const le_int32 *limits,
|
||
|
|
le_int32 count);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Construct an empty <code>pl_valueRuns</code> object. Clients can add values and limits
|
||
|
|
* using the <code>pl_addValueRun</code> routine.
|
||
|
|
*
|
||
|
|
* @param initialCapacity is the initial size of the value and limit indices arrays. If
|
||
|
|
* this value is zero, no arrays will be allocated.
|
||
|
|
*
|
||
|
|
* @see pl_addValueRun
|
||
|
|
*
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
U_DRAFT pl_valueRuns * U_EXPORT2
|
||
|
|
pl_openEmptyValueRuns(le_int32 initialCapacity);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Close the given <code>pl_valueRuns</code> object. Once this
|
||
|
|
* call returns, the object can no longer be referenced.
|
||
|
|
*
|
||
|
|
* @param valueRuns is the <code>pl_valueRuns</code> object.
|
||
|
|
*
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
U_DRAFT void U_EXPORT2
|
||
|
|
pl_closeValueRuns(pl_valueRuns *valueRuns);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the number of value runs.
|
||
|
|
*
|
||
|
|
* @param valueRuns is the <code>pl_valueRuns</code> object.
|
||
|
|
*
|
||
|
|
* @return the number of value runs.
|
||
|
|
*
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
U_DRAFT le_int32 U_EXPORT2
|
||
|
|
pl_getValueRunCount(const pl_valueRuns *valueRuns);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Reset the number of value runs to zero.
|
||
|
|
*
|
||
|
|
* @param valueRuns is the <code>pl_valueRuns</code> object.
|
||
|
|
*
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
U_DRAFT void U_EXPORT2
|
||
|
|
pl_resetValueRuns(pl_valueRuns *valueRuns);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the limit index for the last value run. This is the
|
||
|
|
* number of characters in the text.
|
||
|
|
*
|
||
|
|
* @param valuetRuns is the <code>pl_valueRuns</code> object.
|
||
|
|
*
|
||
|
|
* @return the last limit index.
|
||
|
|
*
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
U_DRAFT le_int32 U_EXPORT2
|
||
|
|
pl_getValueRunLastLimit(const pl_valueRuns *valueRuns);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the limit index for a particular value run.
|
||
|
|
*
|
||
|
|
* @param valueRuns is the <code>pl_valueRuns</code> object.
|
||
|
|
* @param run is the run index.
|
||
|
|
*
|
||
|
|
* @return the limit index for the run, or -1 if <code>run</code> is out of bounds.
|
||
|
|
*
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
U_DRAFT le_int32 U_EXPORT2
|
||
|
|
pl_getValueRunLimit(const pl_valueRuns *valueRuns,
|
||
|
|
le_int32 run);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the value assoicated with the given run * of text. Use
|
||
|
|
* <code>pl_getValueRunLimit(run)</code> to get the corresponding
|
||
|
|
* limit index.
|
||
|
|
*
|
||
|
|
* @param valueRuns is the <code>pl_valueRuns</code> object.
|
||
|
|
* @param run is the run index.
|
||
|
|
*
|
||
|
|
* @return the value associated with the given text run.
|
||
|
|
*
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
U_DRAFT le_int32 U_EXPORT2
|
||
|
|
pl_getValueRunValue(const pl_valueRuns *valueRuns,
|
||
|
|
le_int32 run);
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Add a new font run to the given <code>pl_valueRuns</code> object.
|
||
|
|
*
|
||
|
|
* If the <code>pl_valueRuns</code> object was not created by calling
|
||
|
|
* <code>pl_openEmptyFontRuns</code>, this method will return a run index of -1.
|
||
|
|
*
|
||
|
|
* @param valueRuns is the <code>pl_valueRuns</code> object.
|
||
|
|
*
|
||
|
|
* @param value is the value to add.
|
||
|
|
*
|
||
|
|
* @param limit is the limit index to add
|
||
|
|
*
|
||
|
|
* @return the run index where the font and limit index were stored, or -1 if
|
||
|
|
* the run cannot be added.
|
||
|
|
*
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
U_DRAFT le_int32 U_EXPORT2
|
||
|
|
pl_addValueRun(pl_valueRuns *valueRuns,
|
||
|
|
le_int32 value,
|
||
|
|
le_int32 limit);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Construct a <code>pl_localeRuns</code> object from pre-existing arrays of fonts
|
||
|
|
* and limit indices.
|
||
|
|
*
|
||
|
|
* @param locales is the address of an array of pointers to locale name strings. This
|
||
|
|
* array must remain valid until the <code>pl_localeRuns</code> object is destroyed.
|
||
|
|
*
|
||
|
|
* @param limits is the address of an array of limit indices. This array must remain valid until
|
||
|
|
* the <code>pl_valueRuns</code> object is destroyed.
|
||
|
|
*
|
||
|
|
* @param count is the number of entries in the two arrays.
|
||
|
|
*
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
U_DRAFT pl_localeRuns * U_EXPORT2
|
||
|
|
pl_openLocaleRuns(const char **locales,
|
||
|
|
const le_int32 *limits,
|
||
|
|
le_int32 count);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Construct an empty <code>pl_localeRuns</code> object. Clients can add font and limit
|
||
|
|
* indices arrays using the <code>pl_addFontRun</code> routine.
|
||
|
|
*
|
||
|
|
* @param initialCapacity is the initial size of the font and limit indices arrays. If
|
||
|
|
* this value is zero, no arrays will be allocated.
|
||
|
|
*
|
||
|
|
* @see pl_addLocaleRun
|
||
|
|
*
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
U_DRAFT pl_localeRuns * U_EXPORT2
|
||
|
|
pl_openEmptyLocaleRuns(le_int32 initialCapacity);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Close the given <code>pl_localeRuns</code> object. Once this
|
||
|
|
* call returns, the object can no longer be referenced.
|
||
|
|
*
|
||
|
|
* @param localeRuns is the <code>pl_localeRuns</code> object.
|
||
|
|
*
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
U_DRAFT void U_EXPORT2
|
||
|
|
pl_closeLocaleRuns(pl_localeRuns *localeRuns);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the number of font runs.
|
||
|
|
*
|
||
|
|
* @param localeRuns is the <code>pl_localeRuns</code> object.
|
||
|
|
*
|
||
|
|
* @return the number of entries in the limit indices array.
|
||
|
|
*
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
U_DRAFT le_int32 U_EXPORT2
|
||
|
|
pl_getLocaleRunCount(const pl_localeRuns *localeRuns);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Reset the number of locale runs to zero.
|
||
|
|
*
|
||
|
|
* @param localeRuns is the <code>pl_localeRuns</code> object.
|
||
|
|
*
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
U_DRAFT void U_EXPORT2
|
||
|
|
pl_resetLocaleRuns(pl_localeRuns *localeRuns);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the limit index for the last font run. This is the
|
||
|
|
* number of characters in the text.
|
||
|
|
*
|
||
|
|
* @param localeRuns is the <code>pl_localeRuns</code> object.
|
||
|
|
*
|
||
|
|
* @return the last limit index.
|
||
|
|
*
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
U_DRAFT le_int32 U_EXPORT2
|
||
|
|
pl_getLocaleRunLastLimit(const pl_localeRuns *localeRuns);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the limit index for a particular font run.
|
||
|
|
*
|
||
|
|
* @param localeRuns is the <code>pl_localeRuns</code> object.
|
||
|
|
* @param run is the run. This is an index into the limit index array.
|
||
|
|
*
|
||
|
|
* @return the limit index for the run, or -1 if <code>run</code> is out of bounds.
|
||
|
|
*
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
U_DRAFT le_int32 U_EXPORT2
|
||
|
|
pl_getLocaleRunLimit(const pl_localeRuns *localeRuns,
|
||
|
|
le_int32 run);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the <code>le_font</code> object assoicated with the given run
|
||
|
|
* of text. Use <code>pl_getLocaleRunLimit(run)</code> to get the corresponding
|
||
|
|
* limit index.
|
||
|
|
*
|
||
|
|
* @param localeRuns is the <code>pl_localeRuns</code> object.
|
||
|
|
* @param run is the index into the font and limit indices arrays.
|
||
|
|
*
|
||
|
|
* @return the <code>le_font</code> associated with the given text run.
|
||
|
|
*
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
U_DRAFT const char * U_EXPORT2
|
||
|
|
pl_getLocaleRunLocale(const pl_localeRuns *localeRuns,
|
||
|
|
le_int32 run);
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Add a new run to the given <code>pl_localeRuns</code> object.
|
||
|
|
*
|
||
|
|
* If the <code>pl_localeRuns</code> object was not created by calling
|
||
|
|
* <code>pl_openEmptyLocaleRuns</code>, this method will return a run index of -1.
|
||
|
|
*
|
||
|
|
* @param localeRuns is the <code>pl_localeRuns</code> object.
|
||
|
|
*
|
||
|
|
* @param locale is the name of the locale to add. This name must
|
||
|
|
* remain valid until the <code>pl_localeRuns</code> object is closed.
|
||
|
|
*
|
||
|
|
* @param limit is the limit index to add
|
||
|
|
*
|
||
|
|
* @return the run index where the font and limit index were stored, or -1 if
|
||
|
|
* the run cannot be added.
|
||
|
|
*
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
U_DRAFT le_int32 U_EXPORT2
|
||
|
|
pl_addLocaleRun(pl_localeRuns *localeRuns,
|
||
|
|
const char *locale,
|
||
|
|
le_int32 limit);
|
||
|
|
|
||
|
|
#endif
|