1814 lines
54 KiB
C
1814 lines
54 KiB
C
/*
|
||
* Implementation of Uniscribe Script Processor (usp10.dll)
|
||
*
|
||
* Copyright 2005 Steven Edwards for CodeWeavers
|
||
* Copyright 2006 Hans Leidekker
|
||
* Copyright 2010 CodeWeavers, Aric Stewart
|
||
*
|
||
* This library is free software; you can redistribute it and/or
|
||
* modify it under the terms of the GNU Lesser General Public
|
||
* License as published by the Free Software Foundation; either
|
||
* version 2.1 of the License, or (at your option) any later version.
|
||
*
|
||
* This library 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
|
||
* Lesser General Public License for more details.
|
||
*
|
||
* You should have received a copy of the GNU Lesser General Public
|
||
* License along with this library; if not, write to the Free Software
|
||
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
|
||
*
|
||
* Notes:
|
||
* Uniscribe allows for processing of complex scripts such as joining
|
||
* and filtering characters and bi-directional text with custom line breaks.
|
||
*/
|
||
|
||
#include <stdarg.h>
|
||
|
||
#include "windef.h"
|
||
#include "winbase.h"
|
||
#include "wingdi.h"
|
||
#include "winuser.h"
|
||
#include "winnls.h"
|
||
#include "usp10.h"
|
||
|
||
#include "usp10_internal.h"
|
||
|
||
#include "wine/debug.h"
|
||
#include "wine/unicode.h"
|
||
|
||
WINE_DEFAULT_DEBUG_CHANNEL(uniscribe);
|
||
|
||
typedef struct _scriptRange
|
||
{
|
||
WORD script;
|
||
WORD rangeFirst;
|
||
WORD rangeLast;
|
||
WORD numericScript;
|
||
WORD punctScript;
|
||
} scriptRange;
|
||
|
||
static const scriptRange scriptRanges[] = {
|
||
/* Basic Latin: U+0000–U+007A */
|
||
/* Latin-1 Supplement: U+0080–U+00FF */
|
||
/* Latin Extended-A: U+0100–U+017F */
|
||
/* Latin Extended-B: U+0180–U+024F */
|
||
/* IPA Extensions: U+0250–U+02AF */
|
||
{ Script_Latin, 0x00, 0x2af , Script_Numeric, Script_Punctuation},
|
||
/* Greek: U+0370–U+03FF */
|
||
{ Script_Greek, 0x370, 0x3ff, 0, 0},
|
||
/* Cyrillic: U+0400–U+04FF */
|
||
/* Cyrillic Supplement: U+0500–U+052F */
|
||
{ Script_Cyrillic, 0x400, 0x52f, 0, 0},
|
||
/* Hebrew: U+0590–U+05FF */
|
||
{ Script_Hebrew, 0x590, 0x5ff, 0, 0},
|
||
/* Arabic: U+0600–U+06FF */
|
||
{ Script_Arabic, 0x600, 0x6ef, Script_Arabic_Numeric, 0},
|
||
/* Defined by Windows */
|
||
{ Script_Persian, 0x6f0, 0x6f9, 0, 0},
|
||
/* Continue Arabic: U+0600–U+06FF */
|
||
{ Script_Arabic, 0x6fa, 0x6ff, 0, 0},
|
||
/* Syriac: U+0700–U+074F*/
|
||
{ Script_Syriac, 0x700, 0x74f, 0, 0},
|
||
/* Arabic Supplement: U+0750–U+077F */
|
||
{ Script_Arabic, 0x750, 0x77f, 0, 0},
|
||
/* Thaana: U+0780–U+07BF */
|
||
{ Script_Thaana, 0x780, 0x7bf, 0, 0},
|
||
/* Phonetic Extensions: U+1D00–U+1DBF */
|
||
{ Script_Latin, 0x1d00, 0x1dbf, 0, 0},
|
||
/* Latin Extended Additional: U+1E00–U+1EFF */
|
||
{ Script_Latin, 0x1e00, 0x1eff, 0, 0},
|
||
/* Greek Extended: U+1F00–U+1FFF */
|
||
{ Script_Greek, 0x1f00, 0x1fff, 0, 0},
|
||
/* Latin Extended-C: U+2C60–U+2C7F */
|
||
{ Script_Latin, 0x2c60, 0x2c7f, 0, 0},
|
||
/* Cyrillic Extended-A: U+2DE0–U+2DFF */
|
||
{ Script_Cyrillic, 0x2de0, 0x2dff, 0, 0},
|
||
/* Cyrillic Extended-B: U+A640–U+A69F */
|
||
{ Script_Cyrillic, 0xa640, 0xa69f, 0, 0},
|
||
/* Modifier Tone Letters: U+A700–U+A71F */
|
||
/* Latin Extended-D: U+A720–U+A7FF */
|
||
{ Script_Latin, 0xa700, 0xa7ff, 0, 0},
|
||
/* Latin Ligatures: U+FB00–U+FB06 */
|
||
{ Script_Latin, 0xfb00, 0xfb06, 0, 0},
|
||
/* Alphabetic Presentation Forms: U+FB1D–U+FB4F */
|
||
{ Script_Hebrew, 0xfb1d, 0xfb4f, 0, 0},
|
||
/* Arabic Presentation Forms-A: U+FB50–U+FDFF*/
|
||
{ Script_Arabic, 0xfb50, 0xfdff, 0, 0},
|
||
/* Arabic Presentation Forms-B: U+FE70–U+FEFF*/
|
||
{ Script_Arabic, 0xfe70, 0xfeff, 0, 0},
|
||
/* END */
|
||
{ SCRIPT_UNDEFINED, 0, 0, 0}
|
||
};
|
||
|
||
typedef struct _scriptData
|
||
{
|
||
SCRIPT_ANALYSIS a;
|
||
SCRIPT_PROPERTIES props;
|
||
} scriptData;
|
||
|
||
/* the must be in order so that the index matches the Script value */
|
||
static const scriptData scriptInformation[] = {
|
||
{{SCRIPT_UNDEFINED, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
|
||
{LANG_NEUTRAL, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}},
|
||
{{Script_Latin, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
|
||
{LANG_ENGLISH, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0}},
|
||
{{Script_CR, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
|
||
{LANG_NEUTRAL, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}},
|
||
{{Script_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
|
||
{LANG_ENGLISH, 1, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}},
|
||
{{Script_Control, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
|
||
{LANG_ENGLISH, 0, 1, 0, 0, ANSI_CHARSET, 1, 0, 0, 0, 0, 0, 1, 0, 0}},
|
||
{{Script_Punctuation, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
|
||
{LANG_NEUTRAL, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}},
|
||
{{Script_Arabic, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}},
|
||
{LANG_ARABIC, 0, 1, 0, 0, ARABIC_CHARSET, 0, 0, 0, 0, 0, 0, 1, 1, 0}},
|
||
{{Script_Arabic_Numeric, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}},
|
||
{LANG_ARABIC, 1, 1, 0, 0, ARABIC_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0}},
|
||
{{Script_Hebrew, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}},
|
||
{LANG_HEBREW, 0, 1, 0, 1, HEBREW_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}},
|
||
{{Script_Syriac, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}},
|
||
{LANG_SYRIAC, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 1, 0}},
|
||
{{Script_Persian, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}},
|
||
{LANG_PERSIAN, 1, 1, 0, 0, ARABIC_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}},
|
||
{{Script_Thaana, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}},
|
||
{LANG_DIVEHI, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}},
|
||
{{Script_Greek, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
|
||
{LANG_GREEK, 0, 0, 0, 0, GREEK_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}},
|
||
{{Script_Cyrillic, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
|
||
{LANG_RUSSIAN, 0, 0, 0, 0, RUSSIAN_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}},
|
||
};
|
||
|
||
static const SCRIPT_PROPERTIES *script_props[] =
|
||
{
|
||
&scriptInformation[0].props, &scriptInformation[1].props,
|
||
&scriptInformation[2].props, &scriptInformation[3].props,
|
||
&scriptInformation[4].props, &scriptInformation[5].props,
|
||
&scriptInformation[6].props, &scriptInformation[7].props,
|
||
&scriptInformation[8].props, &scriptInformation[9].props,
|
||
&scriptInformation[10].props, &scriptInformation[11].props,
|
||
&scriptInformation[12].props, &scriptInformation[13].props
|
||
};
|
||
|
||
typedef struct {
|
||
int numGlyphs;
|
||
WORD* glyphs;
|
||
WORD* pwLogClust;
|
||
int* piAdvance;
|
||
SCRIPT_VISATTR* psva;
|
||
GOFFSET* pGoffset;
|
||
ABC* abc;
|
||
} StringGlyphs;
|
||
|
||
typedef struct {
|
||
HDC hdc;
|
||
BOOL invalid;
|
||
int clip_len;
|
||
ScriptCache *sc;
|
||
int cItems;
|
||
int cMaxGlyphs;
|
||
SCRIPT_ITEM* pItem;
|
||
int numItems;
|
||
StringGlyphs* glyphs;
|
||
SCRIPT_LOGATTR* logattrs;
|
||
SIZE* sz;
|
||
} StringAnalysis;
|
||
|
||
static inline void *heap_alloc(SIZE_T size)
|
||
{
|
||
return HeapAlloc(GetProcessHeap(), 0, size);
|
||
}
|
||
|
||
static inline void *heap_alloc_zero(SIZE_T size)
|
||
{
|
||
return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
|
||
}
|
||
|
||
static inline void *heap_realloc_zero(LPVOID mem, SIZE_T size)
|
||
{
|
||
return HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, mem, size);
|
||
}
|
||
|
||
static inline BOOL heap_free(LPVOID mem)
|
||
{
|
||
return HeapFree(GetProcessHeap(), 0, mem);
|
||
}
|
||
|
||
static inline WCHAR get_cache_default_char(SCRIPT_CACHE *psc)
|
||
{
|
||
return ((ScriptCache *)*psc)->tm.tmDefaultChar;
|
||
}
|
||
|
||
static inline LONG get_cache_height(SCRIPT_CACHE *psc)
|
||
{
|
||
return ((ScriptCache *)*psc)->tm.tmHeight;
|
||
}
|
||
|
||
static inline BYTE get_cache_pitch_family(SCRIPT_CACHE *psc)
|
||
{
|
||
return ((ScriptCache *)*psc)->tm.tmPitchAndFamily;
|
||
}
|
||
|
||
static inline WORD get_cache_glyph(SCRIPT_CACHE *psc, WCHAR c)
|
||
{
|
||
WORD *block = ((ScriptCache *)*psc)->glyphs[c >> GLYPH_BLOCK_SHIFT];
|
||
|
||
if (!block) return 0;
|
||
return block[c & GLYPH_BLOCK_MASK];
|
||
}
|
||
|
||
static inline WORD set_cache_glyph(SCRIPT_CACHE *psc, WCHAR c, WORD glyph)
|
||
{
|
||
WORD **block = &((ScriptCache *)*psc)->glyphs[c >> GLYPH_BLOCK_SHIFT];
|
||
|
||
if (!*block && !(*block = heap_alloc_zero(sizeof(WORD) * GLYPH_BLOCK_SIZE))) return 0;
|
||
return ((*block)[c & GLYPH_BLOCK_MASK] = glyph);
|
||
}
|
||
|
||
static inline BOOL get_cache_glyph_widths(SCRIPT_CACHE *psc, WORD glyph, ABC *abc)
|
||
{
|
||
static const ABC nil;
|
||
ABC *block = ((ScriptCache *)*psc)->widths[glyph >> GLYPH_BLOCK_SHIFT];
|
||
|
||
if (!block || !memcmp(&block[glyph & GLYPH_BLOCK_MASK], &nil, sizeof(ABC))) return FALSE;
|
||
memcpy(abc, &block[glyph & GLYPH_BLOCK_MASK], sizeof(ABC));
|
||
return TRUE;
|
||
}
|
||
|
||
static inline BOOL set_cache_glyph_widths(SCRIPT_CACHE *psc, WORD glyph, ABC *abc)
|
||
{
|
||
ABC **block = &((ScriptCache *)*psc)->widths[glyph >> GLYPH_BLOCK_SHIFT];
|
||
|
||
if (!*block && !(*block = heap_alloc_zero(sizeof(ABC) * GLYPH_BLOCK_SIZE))) return FALSE;
|
||
memcpy(&(*block)[glyph & GLYPH_BLOCK_MASK], abc, sizeof(ABC));
|
||
return TRUE;
|
||
}
|
||
|
||
static HRESULT init_script_cache(const HDC hdc, SCRIPT_CACHE *psc)
|
||
{
|
||
ScriptCache *sc;
|
||
|
||
if (!psc) return E_INVALIDARG;
|
||
if (*psc) return S_OK;
|
||
if (!hdc) return E_PENDING;
|
||
|
||
if (!(sc = heap_alloc_zero(sizeof(ScriptCache)))) return E_OUTOFMEMORY;
|
||
if (!GetTextMetricsW(hdc, &sc->tm))
|
||
{
|
||
heap_free(sc);
|
||
return E_INVALIDARG;
|
||
}
|
||
if (!GetObjectW(GetCurrentObject(hdc, OBJ_FONT), sizeof(LOGFONTW), &sc->lf))
|
||
{
|
||
heap_free(sc);
|
||
return E_INVALIDARG;
|
||
}
|
||
*psc = sc;
|
||
TRACE("<- %p\n", sc);
|
||
return S_OK;
|
||
}
|
||
|
||
static WCHAR mirror_char( WCHAR ch )
|
||
{
|
||
extern const WCHAR wine_mirror_map[];
|
||
return ch + wine_mirror_map[wine_mirror_map[ch >> 8] + (ch & 0xff)];
|
||
}
|
||
|
||
static WORD get_char_script( WCHAR ch)
|
||
{
|
||
WORD type = 0;
|
||
int i;
|
||
|
||
if (ch == 0xc || ch == 0x20 || ch == 0x202f)
|
||
return Script_CR;
|
||
|
||
GetStringTypeW(CT_CTYPE1, &ch, 1, &type);
|
||
|
||
if (type == 0)
|
||
return SCRIPT_UNDEFINED;
|
||
|
||
if (type & C1_CNTRL)
|
||
return Script_Control;
|
||
|
||
i = 0;
|
||
do
|
||
{
|
||
if (ch < scriptRanges[i].rangeFirst || scriptRanges[i].script == SCRIPT_UNDEFINED)
|
||
break;
|
||
|
||
if (ch >= scriptRanges[i].rangeFirst && ch <= scriptRanges[i].rangeLast)
|
||
{
|
||
if (scriptRanges[i].numericScript && type & C1_DIGIT)
|
||
return scriptRanges[i].numericScript;
|
||
if (scriptRanges[i].punctScript && type & C1_PUNCT)
|
||
return scriptRanges[i].punctScript;
|
||
return scriptRanges[i].script;
|
||
}
|
||
i++;
|
||
} while (1);
|
||
|
||
return SCRIPT_UNDEFINED;
|
||
}
|
||
|
||
/***********************************************************************
|
||
* DllMain
|
||
*
|
||
*/
|
||
BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
|
||
{
|
||
switch(fdwReason)
|
||
{
|
||
case DLL_PROCESS_ATTACH:
|
||
DisableThreadLibraryCalls(hInstDLL);
|
||
break;
|
||
case DLL_PROCESS_DETACH:
|
||
break;
|
||
}
|
||
return TRUE;
|
||
}
|
||
|
||
/***********************************************************************
|
||
* ScriptFreeCache (USP10.@)
|
||
*
|
||
* Free a script cache.
|
||
*
|
||
* PARAMS
|
||
* psc [I/O] Script cache.
|
||
*
|
||
* RETURNS
|
||
* Success: S_OK
|
||
* Failure: Non-zero HRESULT value.
|
||
*/
|
||
HRESULT WINAPI ScriptFreeCache(SCRIPT_CACHE *psc)
|
||
{
|
||
TRACE("%p\n", psc);
|
||
|
||
if (psc && *psc)
|
||
{
|
||
unsigned int i;
|
||
for (i = 0; i < GLYPH_MAX / GLYPH_BLOCK_SIZE; i++)
|
||
{
|
||
heap_free(((ScriptCache *)*psc)->glyphs[i]);
|
||
heap_free(((ScriptCache *)*psc)->widths[i]);
|
||
}
|
||
heap_free(((ScriptCache *)*psc)->GSUB_Table);
|
||
heap_free(((ScriptCache *)*psc)->features);
|
||
heap_free(*psc);
|
||
*psc = NULL;
|
||
}
|
||
return S_OK;
|
||
}
|
||
|
||
/***********************************************************************
|
||
* ScriptGetProperties (USP10.@)
|
||
*
|
||
* Retrieve a list of script properties.
|
||
*
|
||
* PARAMS
|
||
* props [I] Pointer to an array of SCRIPT_PROPERTIES pointers.
|
||
* num [I] Pointer to the number of scripts.
|
||
*
|
||
* RETURNS
|
||
* Success: S_OK
|
||
* Failure: Non-zero HRESULT value.
|
||
*
|
||
* NOTES
|
||
* Behaviour matches WinXP.
|
||
*/
|
||
HRESULT WINAPI ScriptGetProperties(const SCRIPT_PROPERTIES ***props, int *num)
|
||
{
|
||
TRACE("(%p,%p)\n", props, num);
|
||
|
||
if (!props && !num) return E_INVALIDARG;
|
||
|
||
if (num) *num = sizeof(script_props)/sizeof(script_props[0]);
|
||
if (props) *props = script_props;
|
||
|
||
return S_OK;
|
||
}
|
||
|
||
/***********************************************************************
|
||
* ScriptGetFontProperties (USP10.@)
|
||
*
|
||
* Get information on special glyphs.
|
||
*
|
||
* PARAMS
|
||
* hdc [I] Device context.
|
||
* psc [I/O] Opaque pointer to a script cache.
|
||
* sfp [O] Font properties structure.
|
||
*/
|
||
HRESULT WINAPI ScriptGetFontProperties(HDC hdc, SCRIPT_CACHE *psc, SCRIPT_FONTPROPERTIES *sfp)
|
||
{
|
||
HRESULT hr;
|
||
|
||
TRACE("%p,%p,%p\n", hdc, psc, sfp);
|
||
|
||
if (!sfp) return E_INVALIDARG;
|
||
if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
|
||
|
||
if (sfp->cBytes != sizeof(SCRIPT_FONTPROPERTIES))
|
||
return E_INVALIDARG;
|
||
|
||
/* return something sensible? */
|
||
sfp->wgBlank = 0;
|
||
sfp->wgDefault = get_cache_default_char(psc);
|
||
sfp->wgInvalid = 0;
|
||
sfp->wgKashida = 0xffff;
|
||
sfp->iKashidaWidth = 0;
|
||
|
||
return S_OK;
|
||
}
|
||
|
||
/***********************************************************************
|
||
* ScriptRecordDigitSubstitution (USP10.@)
|
||
*
|
||
* Record digit substitution settings for a given locale.
|
||
*
|
||
* PARAMS
|
||
* locale [I] Locale identifier.
|
||
* sds [I] Structure to record substitution settings.
|
||
*
|
||
* RETURNS
|
||
* Success: S_OK
|
||
* Failure: E_POINTER if sds is NULL, E_INVALIDARG otherwise.
|
||
*
|
||
* SEE ALSO
|
||
* http://blogs.msdn.com/michkap/archive/2006/02/22/536877.aspx
|
||
*/
|
||
HRESULT WINAPI ScriptRecordDigitSubstitution(LCID locale, SCRIPT_DIGITSUBSTITUTE *sds)
|
||
{
|
||
DWORD plgid, sub;
|
||
|
||
TRACE("0x%x, %p\n", locale, sds);
|
||
|
||
/* This implementation appears to be correct for all languages, but it's
|
||
* not clear if sds->DigitSubstitute is ever set to anything except
|
||
* CONTEXT or NONE in reality */
|
||
|
||
if (!sds) return E_POINTER;
|
||
|
||
locale = ConvertDefaultLocale(locale);
|
||
|
||
if (!IsValidLocale(locale, LCID_INSTALLED))
|
||
return E_INVALIDARG;
|
||
|
||
plgid = PRIMARYLANGID(LANGIDFROMLCID(locale));
|
||
sds->TraditionalDigitLanguage = plgid;
|
||
|
||
if (plgid == LANG_ARABIC || plgid == LANG_FARSI)
|
||
sds->NationalDigitLanguage = plgid;
|
||
else
|
||
sds->NationalDigitLanguage = LANG_ENGLISH;
|
||
|
||
if (!GetLocaleInfoW(locale, LOCALE_IDIGITSUBSTITUTION | LOCALE_RETURN_NUMBER,
|
||
(LPWSTR)&sub, sizeof(sub)/sizeof(WCHAR))) return E_INVALIDARG;
|
||
|
||
switch (sub)
|
||
{
|
||
case 0:
|
||
if (plgid == LANG_ARABIC || plgid == LANG_FARSI)
|
||
sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_CONTEXT;
|
||
else
|
||
sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NONE;
|
||
break;
|
||
case 1:
|
||
sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NONE;
|
||
break;
|
||
case 2:
|
||
sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NATIONAL;
|
||
break;
|
||
default:
|
||
sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_TRADITIONAL;
|
||
break;
|
||
}
|
||
|
||
sds->dwReserved = 0;
|
||
return S_OK;
|
||
}
|
||
|
||
/***********************************************************************
|
||
* ScriptApplyDigitSubstitution (USP10.@)
|
||
*
|
||
* Apply digit substitution settings.
|
||
*
|
||
* PARAMS
|
||
* sds [I] Structure with recorded substitution settings.
|
||
* sc [I] Script control structure.
|
||
* ss [I] Script state structure.
|
||
*
|
||
* RETURNS
|
||
* Success: S_OK
|
||
* Failure: E_INVALIDARG if sds is invalid. Otherwise an HRESULT.
|
||
*/
|
||
HRESULT WINAPI ScriptApplyDigitSubstitution(const SCRIPT_DIGITSUBSTITUTE *sds,
|
||
SCRIPT_CONTROL *sc, SCRIPT_STATE *ss)
|
||
{
|
||
SCRIPT_DIGITSUBSTITUTE psds;
|
||
|
||
TRACE("%p, %p, %p\n", sds, sc, ss);
|
||
|
||
if (!sc || !ss) return E_POINTER;
|
||
if (!sds)
|
||
{
|
||
sds = &psds;
|
||
if (ScriptRecordDigitSubstitution(LOCALE_USER_DEFAULT, &psds) != S_OK)
|
||
return E_INVALIDARG;
|
||
}
|
||
|
||
sc->uDefaultLanguage = LANG_ENGLISH;
|
||
sc->fContextDigits = 0;
|
||
ss->fDigitSubstitute = 0;
|
||
|
||
switch (sds->DigitSubstitute) {
|
||
case SCRIPT_DIGITSUBSTITUTE_CONTEXT:
|
||
case SCRIPT_DIGITSUBSTITUTE_NATIONAL:
|
||
case SCRIPT_DIGITSUBSTITUTE_NONE:
|
||
case SCRIPT_DIGITSUBSTITUTE_TRADITIONAL:
|
||
return S_OK;
|
||
default:
|
||
return E_INVALIDARG;
|
||
}
|
||
}
|
||
|
||
/***********************************************************************
|
||
* ScriptItemize (USP10.@)
|
||
*
|
||
* Split a Unicode string into shapeable parts.
|
||
*
|
||
* PARAMS
|
||
* pwcInChars [I] String to split.
|
||
* cInChars [I] Number of characters in pwcInChars.
|
||
* cMaxItems [I] Maximum number of items to return.
|
||
* psControl [I] Pointer to a SCRIPT_CONTROL structure.
|
||
* psState [I] Pointer to a SCRIPT_STATE structure.
|
||
* pItems [O] Buffer to receive SCRIPT_ITEM structures.
|
||
* pcItems [O] Number of script items returned.
|
||
*
|
||
* RETURNS
|
||
* Success: S_OK
|
||
* Failure: Non-zero HRESULT value.
|
||
*/
|
||
HRESULT WINAPI ScriptItemize(const WCHAR *pwcInChars, int cInChars, int cMaxItems,
|
||
const SCRIPT_CONTROL *psControl, const SCRIPT_STATE *psState,
|
||
SCRIPT_ITEM *pItems, int *pcItems)
|
||
{
|
||
|
||
#define Numeric_space 0x0020
|
||
|
||
int cnt = 0, index = 0;
|
||
int New_Script = SCRIPT_UNDEFINED;
|
||
WORD *levels = NULL;
|
||
WORD baselevel = 0;
|
||
|
||
TRACE("%s,%d,%d,%p,%p,%p,%p\n", debugstr_wn(pwcInChars, cInChars), cInChars, cMaxItems,
|
||
psControl, psState, pItems, pcItems);
|
||
|
||
if (!pwcInChars || !cInChars || !pItems || cMaxItems < 2)
|
||
return E_INVALIDARG;
|
||
|
||
if (psState && psControl)
|
||
{
|
||
int i;
|
||
levels = heap_alloc_zero(cInChars * sizeof(WORD));
|
||
if (!levels)
|
||
return E_OUTOFMEMORY;
|
||
|
||
BIDI_DetermineLevels(pwcInChars, cInChars, psState, psControl, levels);
|
||
baselevel = levels[0];
|
||
for (i = 0; i < cInChars; i++)
|
||
if (levels[i]!=levels[0])
|
||
break;
|
||
if (i >= cInChars)
|
||
{
|
||
heap_free(levels);
|
||
levels = NULL;
|
||
}
|
||
}
|
||
|
||
pItems[index].iCharPos = 0;
|
||
pItems[index].a = scriptInformation[get_char_script(pwcInChars[cnt])].a;
|
||
|
||
if (levels)
|
||
{
|
||
pItems[index].a.fRTL = odd(levels[cnt]);
|
||
pItems[index].a.fLayoutRTL = odd(levels[cnt]);
|
||
pItems[index].a.s.uBidiLevel = levels[cnt];
|
||
}
|
||
else if (!pItems[index].a.s.uBidiLevel)
|
||
{
|
||
pItems[index].a.s.uBidiLevel = baselevel;
|
||
pItems[index].a.fLayoutRTL = odd(baselevel);
|
||
pItems[index].a.fRTL = odd(baselevel);
|
||
}
|
||
|
||
TRACE("New_Level=%i New_Script=%d, eScript=%d index=%d cnt=%d iCharPos=%d\n",
|
||
levels?levels[cnt]:-1, New_Script, pItems[index].a.eScript, index, cnt,
|
||
pItems[index].iCharPos);
|
||
|
||
for (cnt=1; cnt < cInChars; cnt++)
|
||
{
|
||
if (levels && (levels[cnt] == pItems[index].a.s.uBidiLevel))
|
||
continue;
|
||
|
||
if(pwcInChars[cnt] != Numeric_space)
|
||
New_Script = get_char_script(pwcInChars[cnt]);
|
||
|
||
if ((levels && (levels[cnt] != pItems[index].a.s.uBidiLevel)) || New_Script != pItems[index].a.eScript || New_Script == Script_Control)
|
||
{
|
||
TRACE("New_Level = %i, New_Script=%d, eScript=%d ", levels?levels[cnt]:-1, New_Script, pItems[index].a.eScript);
|
||
index++;
|
||
if (index+1 > cMaxItems)
|
||
return E_OUTOFMEMORY;
|
||
|
||
pItems[index].iCharPos = cnt;
|
||
memset(&pItems[index].a, 0, sizeof(SCRIPT_ANALYSIS));
|
||
|
||
pItems[index].a = scriptInformation[New_Script].a;
|
||
if (levels)
|
||
{
|
||
pItems[index].a.fRTL = odd(levels[cnt]);
|
||
pItems[index].a.fLayoutRTL = odd(levels[cnt]);
|
||
pItems[index].a.s.uBidiLevel = levels[cnt];
|
||
}
|
||
else if (!pItems[index].a.s.uBidiLevel)
|
||
{
|
||
pItems[index].a.s.uBidiLevel = baselevel;
|
||
pItems[index].a.fLayoutRTL = odd(baselevel);
|
||
pItems[index].a.fRTL = odd(baselevel);
|
||
}
|
||
|
||
TRACE("index=%d cnt=%d iCharPos=%d\n", index, cnt, pItems[index].iCharPos);
|
||
}
|
||
}
|
||
|
||
/* While not strictly necessary according to the spec, make sure the n+1
|
||
* item is set up to prevent random behaviour if the caller erroneously
|
||
* checks the n+1 structure */
|
||
index++;
|
||
memset(&pItems[index].a, 0, sizeof(SCRIPT_ANALYSIS));
|
||
|
||
TRACE("index=%d cnt=%d iCharPos=%d\n", index, cnt, pItems[index].iCharPos);
|
||
|
||
/* Set one SCRIPT_STATE item being returned */
|
||
if (index + 1 > cMaxItems) return E_OUTOFMEMORY;
|
||
if (pcItems) *pcItems = index;
|
||
|
||
/* Set SCRIPT_ITEM */
|
||
pItems[index].iCharPos = cnt; /* the last item contains the ptr to the lastchar */
|
||
heap_free(levels);
|
||
return S_OK;
|
||
}
|
||
|
||
/***********************************************************************
|
||
* ScriptStringAnalyse (USP10.@)
|
||
*
|
||
*/
|
||
HRESULT WINAPI ScriptStringAnalyse(HDC hdc, const void *pString, int cString,
|
||
int cGlyphs, int iCharset, DWORD dwFlags,
|
||
int iReqWidth, SCRIPT_CONTROL *psControl,
|
||
SCRIPT_STATE *psState, const int *piDx,
|
||
SCRIPT_TABDEF *pTabdef, const BYTE *pbInClass,
|
||
SCRIPT_STRING_ANALYSIS *pssa)
|
||
{
|
||
HRESULT hr = E_OUTOFMEMORY;
|
||
StringAnalysis *analysis = NULL;
|
||
int i, num_items = 255;
|
||
|
||
TRACE("(%p,%p,%d,%d,%d,0x%x,%d,%p,%p,%p,%p,%p,%p)\n",
|
||
hdc, pString, cString, cGlyphs, iCharset, dwFlags, iReqWidth,
|
||
psControl, psState, piDx, pTabdef, pbInClass, pssa);
|
||
|
||
if (iCharset != -1)
|
||
{
|
||
FIXME("Only Unicode strings are supported\n");
|
||
return E_INVALIDARG;
|
||
}
|
||
if (cString < 1 || !pString) return E_INVALIDARG;
|
||
if ((dwFlags & SSA_GLYPHS) && !hdc) return E_PENDING;
|
||
|
||
if (!(analysis = heap_alloc_zero(sizeof(StringAnalysis)))) return E_OUTOFMEMORY;
|
||
if (!(analysis->pItem = heap_alloc_zero(num_items * sizeof(SCRIPT_ITEM) + 1))) goto error;
|
||
|
||
/* FIXME: handle clipping */
|
||
analysis->clip_len = cString;
|
||
analysis->hdc = hdc;
|
||
|
||
hr = ScriptItemize(pString, cString, num_items, psControl, psState, analysis->pItem,
|
||
&analysis->numItems);
|
||
|
||
while (hr == E_OUTOFMEMORY)
|
||
{
|
||
SCRIPT_ITEM *tmp;
|
||
|
||
num_items *= 2;
|
||
if (!(tmp = heap_realloc_zero(analysis->pItem, num_items * sizeof(SCRIPT_ITEM) + 1)))
|
||
goto error;
|
||
|
||
analysis->pItem = tmp;
|
||
hr = ScriptItemize(pString, cString, num_items, psControl, psState, analysis->pItem,
|
||
&analysis->numItems);
|
||
}
|
||
if (hr != S_OK) goto error;
|
||
|
||
if ((analysis->logattrs = heap_alloc(sizeof(SCRIPT_LOGATTR) * cString)))
|
||
ScriptBreak(pString, cString, (SCRIPT_STRING_ANALYSIS)analysis, analysis->logattrs);
|
||
else
|
||
goto error;
|
||
|
||
if (!(analysis->glyphs = heap_alloc_zero(sizeof(StringGlyphs) * analysis->numItems)))
|
||
goto error;
|
||
|
||
for (i = 0; i < analysis->numItems; i++)
|
||
{
|
||
SCRIPT_CACHE *sc = (SCRIPT_CACHE *)&analysis->sc;
|
||
int cChar = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos;
|
||
int numGlyphs = 1.5 * cChar + 16;
|
||
WORD *glyphs = heap_alloc_zero(sizeof(WORD) * numGlyphs);
|
||
WORD *pwLogClust = heap_alloc_zero(sizeof(WORD) * cChar);
|
||
int *piAdvance = heap_alloc_zero(sizeof(int) * numGlyphs);
|
||
SCRIPT_VISATTR *psva = heap_alloc_zero(sizeof(SCRIPT_VISATTR) * cChar);
|
||
GOFFSET *pGoffset = heap_alloc_zero(sizeof(GOFFSET) * numGlyphs);
|
||
ABC *abc = heap_alloc_zero(sizeof(ABC));
|
||
int numGlyphsReturned;
|
||
|
||
/* FIXME: non unicode strings */
|
||
const WCHAR* pStr = (const WCHAR*)pString;
|
||
hr = ScriptShape(hdc, sc, &pStr[analysis->pItem[i].iCharPos],
|
||
cChar, numGlyphs, &analysis->pItem[i].a,
|
||
glyphs, pwLogClust, psva, &numGlyphsReturned);
|
||
hr = ScriptPlace(hdc, sc, glyphs, numGlyphsReturned, psva, &analysis->pItem[i].a,
|
||
piAdvance, pGoffset, abc);
|
||
|
||
analysis->glyphs[i].numGlyphs = numGlyphsReturned;
|
||
analysis->glyphs[i].glyphs = glyphs;
|
||
analysis->glyphs[i].pwLogClust = pwLogClust;
|
||
analysis->glyphs[i].piAdvance = piAdvance;
|
||
analysis->glyphs[i].psva = psva;
|
||
analysis->glyphs[i].pGoffset = pGoffset;
|
||
analysis->glyphs[i].abc = abc;
|
||
}
|
||
|
||
*pssa = analysis;
|
||
return S_OK;
|
||
|
||
error:
|
||
heap_free(analysis->glyphs);
|
||
heap_free(analysis->logattrs);
|
||
heap_free(analysis->pItem);
|
||
heap_free(analysis->sc);
|
||
heap_free(analysis);
|
||
return hr;
|
||
}
|
||
|
||
/***********************************************************************
|
||
* ScriptStringOut (USP10.@)
|
||
*
|
||
* This function takes the output of ScriptStringAnalyse and joins the segments
|
||
* of glyphs and passes the resulting string to ScriptTextOut. ScriptStringOut
|
||
* only processes glyphs.
|
||
*
|
||
* Parameters:
|
||
* ssa [I] buffer to hold the analysed string components
|
||
* iX [I] X axis displacement for output
|
||
* iY [I] Y axis displacement for output
|
||
* uOptions [I] flags controling output processing
|
||
* prc [I] rectangle coordinates
|
||
* iMinSel [I] starting pos for substringing output string
|
||
* iMaxSel [I] ending pos for substringing output string
|
||
* fDisabled [I] controls text highlighting
|
||
*
|
||
* RETURNS
|
||
* Success: S_OK
|
||
* Failure: is the value returned by ScriptTextOut
|
||
*/
|
||
HRESULT WINAPI ScriptStringOut(SCRIPT_STRING_ANALYSIS ssa,
|
||
int iX,
|
||
int iY,
|
||
UINT uOptions,
|
||
const RECT *prc,
|
||
int iMinSel,
|
||
int iMaxSel,
|
||
BOOL fDisabled)
|
||
{
|
||
StringAnalysis *analysis;
|
||
WORD *glyphs;
|
||
int item, cnt, x;
|
||
HRESULT hr;
|
||
|
||
TRACE("(%p,%d,%d,0x%1x,%p,%d,%d,%d)\n",
|
||
ssa, iX, iY, uOptions, prc, iMinSel, iMaxSel, fDisabled);
|
||
|
||
if (!(analysis = ssa)) return E_INVALIDARG;
|
||
|
||
/*
|
||
* Get storage for the output buffer for the consolidated strings
|
||
*/
|
||
cnt = 0;
|
||
for (item = 0; item < analysis->numItems; item++)
|
||
{
|
||
cnt += analysis->glyphs[item].numGlyphs;
|
||
}
|
||
if (!(glyphs = heap_alloc(sizeof(WCHAR) * cnt))) return E_OUTOFMEMORY;
|
||
|
||
/*
|
||
* ScriptStringOut only processes glyphs hence set ETO_GLYPH_INDEX
|
||
*/
|
||
uOptions |= ETO_GLYPH_INDEX;
|
||
analysis->pItem[0].a.fNoGlyphIndex = FALSE; /* say that we have glyphs */
|
||
|
||
/*
|
||
* Copy the string items into the output buffer
|
||
*/
|
||
|
||
TRACE("numItems %d\n", analysis->numItems);
|
||
|
||
cnt = 0;
|
||
for (item = 0; item < analysis->numItems; item++)
|
||
{
|
||
memcpy(&glyphs[cnt], analysis->glyphs[item].glyphs,
|
||
sizeof(WCHAR) * analysis->glyphs[item].numGlyphs);
|
||
|
||
TRACE("Item %d, Glyphs %d ", item, analysis->glyphs[item].numGlyphs);
|
||
for (x = cnt; x < analysis->glyphs[item].numGlyphs + cnt; x ++)
|
||
TRACE("%04x", glyphs[x]);
|
||
TRACE("\n");
|
||
|
||
cnt += analysis->glyphs[item].numGlyphs; /* point to the end of the copied text */
|
||
}
|
||
|
||
hr = ScriptTextOut(analysis->hdc, (SCRIPT_CACHE *)&analysis->sc, iX, iY,
|
||
uOptions, prc, &analysis->pItem->a, NULL, 0, glyphs, cnt,
|
||
analysis->glyphs->piAdvance, NULL, analysis->glyphs->pGoffset);
|
||
TRACE("ScriptTextOut hr=%08x\n", hr);
|
||
|
||
/*
|
||
* Free the output buffer and script cache
|
||
*/
|
||
heap_free(glyphs);
|
||
return hr;
|
||
}
|
||
|
||
/***********************************************************************
|
||
* ScriptStringCPtoX (USP10.@)
|
||
*
|
||
*/
|
||
HRESULT WINAPI ScriptStringCPtoX(SCRIPT_STRING_ANALYSIS ssa, int icp, BOOL fTrailing, int* pX)
|
||
{
|
||
int i, j;
|
||
int runningX = 0;
|
||
int runningCp = 0;
|
||
StringAnalysis* analysis = ssa;
|
||
|
||
TRACE("(%p), %d, %d, (%p)\n", ssa, icp, fTrailing, pX);
|
||
|
||
if (!ssa || !pX) return S_FALSE;
|
||
|
||
/* icp out of range */
|
||
if(icp < 0)
|
||
{
|
||
analysis->invalid = TRUE;
|
||
return E_INVALIDARG;
|
||
}
|
||
|
||
for(i=0; i<analysis->numItems; i++)
|
||
{
|
||
for(j=0; j<analysis->glyphs[i].numGlyphs; j++)
|
||
{
|
||
if(runningCp == icp && fTrailing == FALSE)
|
||
{
|
||
*pX = runningX;
|
||
return S_OK;
|
||
}
|
||
runningX += analysis->glyphs[i].piAdvance[j];
|
||
if(runningCp == icp && fTrailing == TRUE)
|
||
{
|
||
*pX = runningX;
|
||
return S_OK;
|
||
}
|
||
runningCp++;
|
||
}
|
||
}
|
||
|
||
/* icp out of range */
|
||
analysis->invalid = TRUE;
|
||
return E_INVALIDARG;
|
||
}
|
||
|
||
/***********************************************************************
|
||
* ScriptStringXtoCP (USP10.@)
|
||
*
|
||
*/
|
||
HRESULT WINAPI ScriptStringXtoCP(SCRIPT_STRING_ANALYSIS ssa, int iX, int* piCh, int* piTrailing)
|
||
{
|
||
StringAnalysis* analysis = ssa;
|
||
int i;
|
||
int j;
|
||
int runningX = 0;
|
||
int runningCp = 0;
|
||
int width;
|
||
|
||
TRACE("(%p), %d, (%p), (%p)\n", ssa, iX, piCh, piTrailing);
|
||
|
||
if (!ssa || !piCh || !piTrailing) return S_FALSE;
|
||
|
||
/* out of range */
|
||
if(iX < 0)
|
||
{
|
||
*piCh = -1;
|
||
*piTrailing = TRUE;
|
||
return S_OK;
|
||
}
|
||
|
||
for(i=0; i<analysis->numItems; i++)
|
||
{
|
||
for(j=0; j<analysis->glyphs[i].numGlyphs; j++)
|
||
{
|
||
width = analysis->glyphs[i].piAdvance[j];
|
||
if(iX < (runningX + width))
|
||
{
|
||
*piCh = runningCp;
|
||
if((iX - runningX) > width/2)
|
||
*piTrailing = TRUE;
|
||
else
|
||
*piTrailing = FALSE;
|
||
return S_OK;
|
||
}
|
||
runningX += width;
|
||
runningCp++;
|
||
}
|
||
}
|
||
|
||
/* out of range */
|
||
*piCh = analysis->pItem[analysis->numItems].iCharPos;
|
||
*piTrailing = FALSE;
|
||
|
||
return S_OK;
|
||
}
|
||
|
||
|
||
/***********************************************************************
|
||
* ScriptStringFree (USP10.@)
|
||
*
|
||
* Free a string analysis.
|
||
*
|
||
* PARAMS
|
||
* pssa [I] string analysis.
|
||
*
|
||
* RETURNS
|
||
* Success: S_OK
|
||
* Failure: Non-zero HRESULT value.
|
||
*/
|
||
HRESULT WINAPI ScriptStringFree(SCRIPT_STRING_ANALYSIS *pssa)
|
||
{
|
||
StringAnalysis* analysis;
|
||
BOOL invalid;
|
||
int i;
|
||
|
||
TRACE("(%p)\n", pssa);
|
||
|
||
if (!pssa || !(analysis = *pssa)) return E_INVALIDARG;
|
||
|
||
invalid = analysis->invalid;
|
||
ScriptFreeCache((SCRIPT_CACHE *)&analysis->sc);
|
||
|
||
for (i = 0; i < analysis->numItems; i++)
|
||
{
|
||
heap_free(analysis->glyphs[i].glyphs);
|
||
heap_free(analysis->glyphs[i].pwLogClust);
|
||
heap_free(analysis->glyphs[i].piAdvance);
|
||
heap_free(analysis->glyphs[i].psva);
|
||
heap_free(analysis->glyphs[i].pGoffset);
|
||
heap_free(analysis->glyphs[i].abc);
|
||
}
|
||
|
||
heap_free(analysis->glyphs);
|
||
heap_free(analysis->pItem);
|
||
heap_free(analysis->logattrs);
|
||
heap_free(analysis->sz);
|
||
heap_free(analysis->sc);
|
||
heap_free(analysis);
|
||
|
||
if (invalid) return E_INVALIDARG;
|
||
return S_OK;
|
||
}
|
||
|
||
/***********************************************************************
|
||
* ScriptCPtoX (USP10.@)
|
||
*
|
||
*/
|
||
HRESULT WINAPI ScriptCPtoX(int iCP,
|
||
BOOL fTrailing,
|
||
int cChars,
|
||
int cGlyphs,
|
||
const WORD *pwLogClust,
|
||
const SCRIPT_VISATTR *psva,
|
||
const int *piAdvance,
|
||
const SCRIPT_ANALYSIS *psa,
|
||
int *piX)
|
||
{
|
||
int item;
|
||
int iPosX;
|
||
float fMaxPosX = 0;
|
||
TRACE("(%d,%d,%d,%d,%p,%p,%p,%p,%p)\n",
|
||
iCP, fTrailing, cChars, cGlyphs, pwLogClust, psva, piAdvance,
|
||
psa, piX);
|
||
for (item=0; item < cGlyphs; item++) /* total piAdvance */
|
||
fMaxPosX += piAdvance[item];
|
||
iPosX = (fMaxPosX/cGlyphs)*(iCP+fTrailing);
|
||
if (iPosX > fMaxPosX)
|
||
iPosX = fMaxPosX;
|
||
*piX = iPosX; /* Return something in range */
|
||
|
||
TRACE("*piX=%d\n", *piX);
|
||
return S_OK;
|
||
}
|
||
|
||
/***********************************************************************
|
||
* ScriptXtoCP (USP10.@)
|
||
*
|
||
*/
|
||
HRESULT WINAPI ScriptXtoCP(int iX,
|
||
int cChars,
|
||
int cGlyphs,
|
||
const WORD *pwLogClust,
|
||
const SCRIPT_VISATTR *psva,
|
||
const int *piAdvance,
|
||
const SCRIPT_ANALYSIS *psa,
|
||
int *piCP,
|
||
int *piTrailing)
|
||
{
|
||
int item;
|
||
int iPosX;
|
||
float fMaxPosX = 1;
|
||
float fAvePosX;
|
||
TRACE("(%d,%d,%d,%p,%p,%p,%p,%p,%p)\n",
|
||
iX, cChars, cGlyphs, pwLogClust, psva, piAdvance,
|
||
psa, piCP, piTrailing);
|
||
if (iX < 0) /* iX is before start of run */
|
||
{
|
||
*piCP = -1;
|
||
*piTrailing = TRUE;
|
||
return S_OK;
|
||
}
|
||
|
||
for (item=0; item < cGlyphs; item++) /* total piAdvance */
|
||
fMaxPosX += piAdvance[item];
|
||
|
||
if (iX >= fMaxPosX) /* iX too large */
|
||
{
|
||
*piCP = cChars;
|
||
*piTrailing = FALSE;
|
||
return S_OK;
|
||
}
|
||
|
||
fAvePosX = fMaxPosX / cGlyphs;
|
||
iPosX = fAvePosX;
|
||
for (item = 1; item < cGlyphs && iPosX < iX; item++)
|
||
iPosX += fAvePosX;
|
||
if (iPosX - iX > fAvePosX/2)
|
||
*piTrailing = 0;
|
||
else
|
||
*piTrailing = 1; /* yep we are over halfway */
|
||
|
||
*piCP = item -1; /* Return character position */
|
||
TRACE("*piCP=%d iPposX=%d\n", *piCP, iPosX);
|
||
return S_OK;
|
||
}
|
||
|
||
/***********************************************************************
|
||
* ScriptBreak (USP10.@)
|
||
*
|
||
* Retrieve line break information.
|
||
*
|
||
* PARAMS
|
||
* chars [I] Array of characters.
|
||
* sa [I] String analysis.
|
||
* la [I] Array of logical attribute structures.
|
||
*
|
||
* RETURNS
|
||
* Success: S_OK
|
||
* Failure: S_FALSE
|
||
*/
|
||
HRESULT WINAPI ScriptBreak(const WCHAR *chars, int count, const SCRIPT_ANALYSIS *sa, SCRIPT_LOGATTR *la)
|
||
{
|
||
int i;
|
||
|
||
TRACE("(%s, %d, %p, %p)\n", debugstr_wn(chars, count), count, sa, la);
|
||
|
||
if (!la) return S_FALSE;
|
||
|
||
for (i = 0; i < count; i++)
|
||
{
|
||
memset(&la[i], 0, sizeof(SCRIPT_LOGATTR));
|
||
|
||
/* FIXME: set the other flags */
|
||
la[i].fWhiteSpace = (chars[i] == ' ');
|
||
la[i].fCharStop = 1;
|
||
|
||
if (i > 0 && la[i - 1].fWhiteSpace)
|
||
{
|
||
la[i].fSoftBreak = 1;
|
||
la[i].fWordStop = 1;
|
||
}
|
||
}
|
||
return S_OK;
|
||
}
|
||
|
||
/***********************************************************************
|
||
* ScriptIsComplex (USP10.@)
|
||
*
|
||
* Determine if a string is complex.
|
||
*
|
||
* PARAMS
|
||
* chars [I] Array of characters to test.
|
||
* len [I] Length in characters.
|
||
* flag [I] Flag.
|
||
*
|
||
* RETURNS
|
||
* Success: S_OK
|
||
* Failure: S_FALSE
|
||
*
|
||
*/
|
||
HRESULT WINAPI ScriptIsComplex(const WCHAR *chars, int len, DWORD flag)
|
||
{
|
||
int i;
|
||
|
||
TRACE("(%s,%d,0x%x)\n", debugstr_wn(chars, len), len, flag);
|
||
|
||
for (i = 0; i < len; i++)
|
||
{
|
||
int script;
|
||
|
||
if ((flag & SIC_ASCIIDIGIT) && chars[i] >= 0x30 && chars[i] <= 0x39)
|
||
return S_OK;
|
||
|
||
script = get_char_script(chars[i]);
|
||
if ((scriptInformation[script].props.fComplex && (flag & SIC_COMPLEX))||
|
||
(!scriptInformation[script].props.fComplex && (flag & SIC_NEUTRAL)))
|
||
return S_OK;
|
||
}
|
||
return S_FALSE;
|
||
}
|
||
|
||
/***********************************************************************
|
||
* ScriptShape (USP10.@)
|
||
*
|
||
* Produce glyphs and visual attributes for a run.
|
||
*
|
||
* PARAMS
|
||
* hdc [I] Device context.
|
||
* psc [I/O] Opaque pointer to a script cache.
|
||
* pwcChars [I] Array of characters specifying the run.
|
||
* cChars [I] Number of characters in pwcChars.
|
||
* cMaxGlyphs [I] Length of pwOutGlyphs.
|
||
* psa [I/O] Script analysis.
|
||
* pwOutGlyphs [O] Array of glyphs.
|
||
* pwLogClust [O] Array of logical cluster info.
|
||
* psva [O] Array of visual attributes.
|
||
* pcGlyphs [O] Number of glyphs returned.
|
||
*
|
||
* RETURNS
|
||
* Success: S_OK
|
||
* Failure: Non-zero HRESULT value.
|
||
*/
|
||
HRESULT WINAPI ScriptShape(HDC hdc, SCRIPT_CACHE *psc, const WCHAR *pwcChars,
|
||
int cChars, int cMaxGlyphs,
|
||
SCRIPT_ANALYSIS *psa, WORD *pwOutGlyphs, WORD *pwLogClust,
|
||
SCRIPT_VISATTR *psva, int *pcGlyphs)
|
||
{
|
||
HRESULT hr;
|
||
unsigned int i;
|
||
BOOL rtl;
|
||
|
||
TRACE("(%p, %p, %s, %d, %d, %p, %p, %p, %p, %p)\n", hdc, psc, debugstr_wn(pwcChars, cChars),
|
||
cChars, cMaxGlyphs, psa, pwOutGlyphs, pwLogClust, psva, pcGlyphs);
|
||
|
||
if (psa) TRACE("psa values: %d, %d, %d, %d, %d, %d, %d\n", psa->eScript, psa->fRTL, psa->fLayoutRTL,
|
||
psa->fLinkBefore, psa->fLinkAfter, psa->fLogicalOrder, psa->fNoGlyphIndex);
|
||
|
||
if (!psva || !pcGlyphs) return E_INVALIDARG;
|
||
if (cChars > cMaxGlyphs) return E_OUTOFMEMORY;
|
||
rtl = (!psa->fLogicalOrder && psa->fRTL);
|
||
|
||
*pcGlyphs = cChars;
|
||
if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
|
||
if (!pwLogClust) return E_FAIL;
|
||
|
||
/* Initialize a SCRIPT_VISATTR and LogClust for each char in this run */
|
||
for (i = 0; i < cChars; i++)
|
||
{
|
||
int idx = i;
|
||
if (rtl) idx = cChars - 1 - i;
|
||
/* FIXME: set to better values */
|
||
psva[i].uJustification = (pwcChars[idx] == ' ') ? SCRIPT_JUSTIFY_BLANK : SCRIPT_JUSTIFY_CHARACTER;
|
||
psva[i].fClusterStart = 1;
|
||
psva[i].fDiacritic = 0;
|
||
psva[i].fZeroWidth = 0;
|
||
psva[i].fReserved = 0;
|
||
psva[i].fShapeReserved = 0;
|
||
|
||
pwLogClust[i] = idx;
|
||
}
|
||
|
||
if ((get_cache_pitch_family(psc) & TMPF_TRUETYPE) && !psa->fNoGlyphIndex)
|
||
{
|
||
WCHAR *rChars = heap_alloc(sizeof(WCHAR) * cChars);
|
||
if (!rChars) return E_OUTOFMEMORY;
|
||
for (i = 0; i < cChars; i++)
|
||
{
|
||
int idx = i;
|
||
WCHAR chInput;
|
||
if (rtl) idx = cChars - 1 - i;
|
||
if (psa->fRTL)
|
||
chInput = mirror_char(pwcChars[idx]);
|
||
else
|
||
chInput = pwcChars[idx];
|
||
if (!(pwOutGlyphs[i] = get_cache_glyph(psc, chInput)))
|
||
{
|
||
WORD glyph;
|
||
if (!hdc) return E_PENDING;
|
||
if (GetGlyphIndicesW(hdc, &chInput, 1, &glyph, 0) == GDI_ERROR) return S_FALSE;
|
||
pwOutGlyphs[i] = set_cache_glyph(psc, chInput, glyph);
|
||
}
|
||
rChars[i] = chInput;
|
||
}
|
||
SHAPE_ContextualShaping(hdc, (ScriptCache *)*psc, psa, rChars, cChars, pwOutGlyphs, pcGlyphs, cMaxGlyphs, pwLogClust);
|
||
SHAPE_ApplyDefaultOpentypeFeatures(hdc, (ScriptCache *)*psc, psa, pwOutGlyphs, pcGlyphs, cMaxGlyphs, cChars, pwLogClust);
|
||
heap_free(rChars);
|
||
}
|
||
else
|
||
{
|
||
TRACE("no glyph translation\n");
|
||
for (i = 0; i < cChars; i++)
|
||
{
|
||
int idx = i;
|
||
/* No mirroring done here */
|
||
if (rtl) idx = cChars - 1 - i;
|
||
pwOutGlyphs[i] = pwcChars[idx];
|
||
}
|
||
}
|
||
|
||
return S_OK;
|
||
}
|
||
|
||
/***********************************************************************
|
||
* ScriptPlace (USP10.@)
|
||
*
|
||
* Produce advance widths for a run.
|
||
*
|
||
* PARAMS
|
||
* hdc [I] Device context.
|
||
* psc [I/O] Opaque pointer to a script cache.
|
||
* pwGlyphs [I] Array of glyphs.
|
||
* cGlyphs [I] Number of glyphs in pwGlyphs.
|
||
* psva [I] Array of visual attributes.
|
||
* psa [I/O] String analysis.
|
||
* piAdvance [O] Array of advance widths.
|
||
* pGoffset [O] Glyph offsets.
|
||
* pABC [O] Combined ABC width.
|
||
*
|
||
* RETURNS
|
||
* Success: S_OK
|
||
* Failure: Non-zero HRESULT value.
|
||
*/
|
||
HRESULT WINAPI ScriptPlace(HDC hdc, SCRIPT_CACHE *psc, const WORD *pwGlyphs,
|
||
int cGlyphs, const SCRIPT_VISATTR *psva,
|
||
SCRIPT_ANALYSIS *psa, int *piAdvance, GOFFSET *pGoffset, ABC *pABC )
|
||
{
|
||
HRESULT hr;
|
||
int i;
|
||
|
||
TRACE("(%p, %p, %p, %d, %p, %p, %p, %p, %p)\n", hdc, psc, pwGlyphs, cGlyphs, psva, psa,
|
||
piAdvance, pGoffset, pABC);
|
||
|
||
if (!psva) return E_INVALIDARG;
|
||
if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
|
||
if (!pGoffset) return E_FAIL;
|
||
|
||
if (pABC) memset(pABC, 0, sizeof(ABC));
|
||
for (i = 0; i < cGlyphs; i++)
|
||
{
|
||
ABC abc;
|
||
if (!get_cache_glyph_widths(psc, pwGlyphs[i], &abc))
|
||
{
|
||
if (!hdc) return E_PENDING;
|
||
if ((get_cache_pitch_family(psc) & TMPF_TRUETYPE) && !psa->fNoGlyphIndex)
|
||
{
|
||
if (!GetCharABCWidthsI(hdc, 0, 1, (WORD *)&pwGlyphs[i], &abc)) return S_FALSE;
|
||
}
|
||
else
|
||
{
|
||
INT width;
|
||
if (!GetCharWidth32W(hdc, pwGlyphs[i], pwGlyphs[i], &width)) return S_FALSE;
|
||
abc.abcB = width;
|
||
abc.abcA = abc.abcC = 0;
|
||
}
|
||
set_cache_glyph_widths(psc, pwGlyphs[i], &abc);
|
||
}
|
||
if (pABC)
|
||
{
|
||
pABC->abcA += abc.abcA;
|
||
pABC->abcB += abc.abcB;
|
||
pABC->abcC += abc.abcC;
|
||
}
|
||
/* FIXME: set to more reasonable values */
|
||
pGoffset[i].du = pGoffset[i].dv = 0;
|
||
if (piAdvance) piAdvance[i] = abc.abcA + abc.abcB + abc.abcC;
|
||
}
|
||
|
||
if (pABC) TRACE("Total for run: abcA=%d, abcB=%d, abcC=%d\n", pABC->abcA, pABC->abcB, pABC->abcC);
|
||
return S_OK;
|
||
}
|
||
|
||
/***********************************************************************
|
||
* ScriptGetCMap (USP10.@)
|
||
*
|
||
* Retrieve glyph indices.
|
||
*
|
||
* PARAMS
|
||
* hdc [I] Device context.
|
||
* psc [I/O] Opaque pointer to a script cache.
|
||
* pwcInChars [I] Array of Unicode characters.
|
||
* cChars [I] Number of characters in pwcInChars.
|
||
* dwFlags [I] Flags.
|
||
* pwOutGlyphs [O] Buffer to receive the array of glyph indices.
|
||
*
|
||
* RETURNS
|
||
* Success: S_OK
|
||
* Failure: Non-zero HRESULT value.
|
||
*/
|
||
HRESULT WINAPI ScriptGetCMap(HDC hdc, SCRIPT_CACHE *psc, const WCHAR *pwcInChars,
|
||
int cChars, DWORD dwFlags, WORD *pwOutGlyphs)
|
||
{
|
||
HRESULT hr;
|
||
int i;
|
||
|
||
TRACE("(%p,%p,%s,%d,0x%x,%p)\n", hdc, psc, debugstr_wn(pwcInChars, cChars),
|
||
cChars, dwFlags, pwOutGlyphs);
|
||
|
||
if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
|
||
|
||
hr = S_OK;
|
||
|
||
if ((get_cache_pitch_family(psc) & TMPF_TRUETYPE))
|
||
{
|
||
for (i = 0; i < cChars; i++)
|
||
{
|
||
WCHAR inChar;
|
||
if (dwFlags == SGCM_RTL)
|
||
inChar = mirror_char(pwcInChars[i]);
|
||
else
|
||
inChar = pwcInChars[i];
|
||
if (!(pwOutGlyphs[i] = get_cache_glyph(psc, inChar)))
|
||
{
|
||
WORD glyph;
|
||
if (!hdc) return E_PENDING;
|
||
if (GetGlyphIndicesW(hdc, &inChar, 1, &glyph, GGI_MARK_NONEXISTING_GLYPHS) == GDI_ERROR) return S_FALSE;
|
||
if (glyph == 0xffff)
|
||
{
|
||
hr = S_FALSE;
|
||
glyph = 0x0;
|
||
}
|
||
pwOutGlyphs[i] = set_cache_glyph(psc, inChar, glyph);
|
||
}
|
||
}
|
||
}
|
||
else
|
||
{
|
||
TRACE("no glyph translation\n");
|
||
for (i = 0; i < cChars; i++)
|
||
{
|
||
WCHAR inChar;
|
||
if (dwFlags == SGCM_RTL)
|
||
inChar = mirror_char(pwcInChars[i]);
|
||
else
|
||
inChar = pwcInChars[i];
|
||
pwOutGlyphs[i] = inChar;
|
||
}
|
||
}
|
||
return hr;
|
||
}
|
||
|
||
/***********************************************************************
|
||
* ScriptTextOut (USP10.@)
|
||
*
|
||
*/
|
||
HRESULT WINAPI ScriptTextOut(const HDC hdc, SCRIPT_CACHE *psc, int x, int y, UINT fuOptions,
|
||
const RECT *lprc, const SCRIPT_ANALYSIS *psa, const WCHAR *pwcReserved,
|
||
int iReserved, const WORD *pwGlyphs, int cGlyphs, const int *piAdvance,
|
||
const int *piJustify, const GOFFSET *pGoffset)
|
||
{
|
||
HRESULT hr = S_OK;
|
||
|
||
TRACE("(%p, %p, %d, %d, %04x, %p, %p, %p, %d, %p, %d, %p, %p, %p)\n",
|
||
hdc, psc, x, y, fuOptions, lprc, psa, pwcReserved, iReserved, pwGlyphs, cGlyphs,
|
||
piAdvance, piJustify, pGoffset);
|
||
|
||
if (!hdc || !psc) return E_INVALIDARG;
|
||
if (!piAdvance || !psa || !pwGlyphs) return E_INVALIDARG;
|
||
|
||
fuOptions &= ETO_CLIPPED + ETO_OPAQUE;
|
||
fuOptions |= ETO_IGNORELANGUAGE;
|
||
if (!psa->fNoGlyphIndex) /* Have Glyphs? */
|
||
fuOptions |= ETO_GLYPH_INDEX; /* Say don't do translation to glyph */
|
||
|
||
if (psa->fRTL && psa->fLogicalOrder)
|
||
{
|
||
int i;
|
||
WORD *rtlGlyphs;
|
||
|
||
rtlGlyphs = heap_alloc(cGlyphs * sizeof(WORD));
|
||
if (!rtlGlyphs)
|
||
return E_OUTOFMEMORY;
|
||
|
||
for (i = 0; i < cGlyphs; i++)
|
||
rtlGlyphs[i] = pwGlyphs[cGlyphs-1-i];
|
||
|
||
if (!ExtTextOutW(hdc, x, y, fuOptions, lprc, rtlGlyphs, cGlyphs, NULL))
|
||
hr = S_FALSE;
|
||
heap_free(rtlGlyphs);
|
||
}
|
||
else
|
||
if (!ExtTextOutW(hdc, x, y, fuOptions, lprc, pwGlyphs, cGlyphs, NULL))
|
||
hr = S_FALSE;
|
||
|
||
return hr;
|
||
}
|
||
|
||
/***********************************************************************
|
||
* ScriptCacheGetHeight (USP10.@)
|
||
*
|
||
* Retrieve the height of the font in the cache.
|
||
*
|
||
* PARAMS
|
||
* hdc [I] Device context.
|
||
* psc [I/O] Opaque pointer to a script cache.
|
||
* height [O] Receives font height.
|
||
*
|
||
* RETURNS
|
||
* Success: S_OK
|
||
* Failure: Non-zero HRESULT value.
|
||
*/
|
||
HRESULT WINAPI ScriptCacheGetHeight(HDC hdc, SCRIPT_CACHE *psc, LONG *height)
|
||
{
|
||
HRESULT hr;
|
||
|
||
TRACE("(%p, %p, %p)\n", hdc, psc, height);
|
||
|
||
if (!height) return E_INVALIDARG;
|
||
if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
|
||
|
||
*height = get_cache_height(psc);
|
||
return S_OK;
|
||
}
|
||
|
||
/***********************************************************************
|
||
* ScriptGetGlyphABCWidth (USP10.@)
|
||
*
|
||
* Retrieve the width of a glyph.
|
||
*
|
||
* PARAMS
|
||
* hdc [I] Device context.
|
||
* psc [I/O] Opaque pointer to a script cache.
|
||
* glyph [I] Glyph to retrieve the width for.
|
||
* abc [O] ABC widths of the glyph.
|
||
*
|
||
* RETURNS
|
||
* Success: S_OK
|
||
* Failure: Non-zero HRESULT value.
|
||
*/
|
||
HRESULT WINAPI ScriptGetGlyphABCWidth(HDC hdc, SCRIPT_CACHE *psc, WORD glyph, ABC *abc)
|
||
{
|
||
HRESULT hr;
|
||
|
||
TRACE("(%p, %p, 0x%04x, %p)\n", hdc, psc, glyph, abc);
|
||
|
||
if (!abc) return E_INVALIDARG;
|
||
if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
|
||
|
||
if (!get_cache_glyph_widths(psc, glyph, abc))
|
||
{
|
||
if (!hdc) return E_PENDING;
|
||
if ((get_cache_pitch_family(psc) & TMPF_TRUETYPE))
|
||
{
|
||
if (!GetCharABCWidthsI(hdc, 0, 1, &glyph, abc)) return S_FALSE;
|
||
}
|
||
else
|
||
{
|
||
INT width;
|
||
if (!GetCharWidth32W(hdc, glyph, glyph, &width)) return S_FALSE;
|
||
abc->abcB = width;
|
||
abc->abcA = abc->abcC = 0;
|
||
}
|
||
set_cache_glyph_widths(psc, glyph, abc);
|
||
}
|
||
return S_OK;
|
||
}
|
||
|
||
/***********************************************************************
|
||
* ScriptLayout (USP10.@)
|
||
*
|
||
* Map embedding levels to visual and/or logical order.
|
||
*
|
||
* PARAMS
|
||
* runs [I] Size of level array.
|
||
* level [I] Array of embedding levels.
|
||
* vistolog [O] Map of embedding levels from visual to logical order.
|
||
* logtovis [O] Map of embedding levels from logical to visual order.
|
||
*
|
||
* RETURNS
|
||
* Success: S_OK
|
||
* Failure: Non-zero HRESULT value.
|
||
*
|
||
* BUGS
|
||
* This stub works correctly for any sequence of a single
|
||
* embedding level but not for sequences of different
|
||
* embedding levels, i.e. mixtures of RTL and LTR scripts.
|
||
*/
|
||
HRESULT WINAPI ScriptLayout(int runs, const BYTE *level, int *vistolog, int *logtovis)
|
||
{
|
||
int* indexs;
|
||
int ich;
|
||
|
||
TRACE("(%d, %p, %p, %p)\n", runs, level, vistolog, logtovis);
|
||
|
||
if (!level || (!vistolog && !logtovis))
|
||
return E_INVALIDARG;
|
||
|
||
indexs = heap_alloc(sizeof(int) * runs);
|
||
if (!indexs)
|
||
return E_OUTOFMEMORY;
|
||
|
||
|
||
if (vistolog)
|
||
{
|
||
for( ich = 0; ich < runs; ich++)
|
||
indexs[ich] = ich;
|
||
|
||
ich = 0;
|
||
while (ich < runs)
|
||
ich += BIDI_ReorderV2lLevel(0, indexs+ich, level+ich, runs - ich, FALSE);
|
||
for (ich = 0; ich < runs; ich++)
|
||
vistolog[ich] = indexs[ich];
|
||
}
|
||
|
||
|
||
if (logtovis)
|
||
{
|
||
for( ich = 0; ich < runs; ich++)
|
||
indexs[ich] = ich;
|
||
|
||
ich = 0;
|
||
while (ich < runs)
|
||
ich += BIDI_ReorderL2vLevel(0, indexs+ich, level+ich, runs - ich, FALSE);
|
||
for (ich = 0; ich < runs; ich++)
|
||
logtovis[ich] = indexs[ich];
|
||
}
|
||
heap_free(indexs);
|
||
|
||
return S_OK;
|
||
}
|
||
|
||
/***********************************************************************
|
||
* ScriptStringGetLogicalWidths (USP10.@)
|
||
*
|
||
* Returns logical widths from a string analysis.
|
||
*
|
||
* PARAMS
|
||
* ssa [I] string analysis.
|
||
* piDx [O] logical widths returned.
|
||
*
|
||
* RETURNS
|
||
* Success: S_OK
|
||
* Failure: a non-zero HRESULT.
|
||
*/
|
||
HRESULT WINAPI ScriptStringGetLogicalWidths(SCRIPT_STRING_ANALYSIS ssa, int *piDx)
|
||
{
|
||
int i, j, next = 0;
|
||
StringAnalysis *analysis = ssa;
|
||
|
||
TRACE("%p, %p\n", ssa, piDx);
|
||
|
||
if (!analysis) return S_FALSE;
|
||
|
||
for (i = 0; i < analysis->numItems; i++)
|
||
{
|
||
for (j = 0; j < analysis->glyphs[i].numGlyphs; j++)
|
||
{
|
||
piDx[next] = analysis->glyphs[i].piAdvance[j];
|
||
next++;
|
||
}
|
||
}
|
||
return S_OK;
|
||
}
|
||
|
||
/***********************************************************************
|
||
* ScriptStringValidate (USP10.@)
|
||
*
|
||
* Validate a string analysis.
|
||
*
|
||
* PARAMS
|
||
* ssa [I] string analysis.
|
||
*
|
||
* RETURNS
|
||
* Success: S_OK
|
||
* Failure: S_FALSE if invalid sequences are found
|
||
* or a non-zero HRESULT if it fails.
|
||
*/
|
||
HRESULT WINAPI ScriptStringValidate(SCRIPT_STRING_ANALYSIS ssa)
|
||
{
|
||
StringAnalysis *analysis = ssa;
|
||
|
||
TRACE("(%p)\n", ssa);
|
||
|
||
if (!analysis) return E_INVALIDARG;
|
||
return (analysis->invalid) ? S_FALSE : S_OK;
|
||
}
|
||
|
||
/***********************************************************************
|
||
* ScriptString_pSize (USP10.@)
|
||
*
|
||
* Retrieve width and height of an analysed string.
|
||
*
|
||
* PARAMS
|
||
* ssa [I] string analysis.
|
||
*
|
||
* RETURNS
|
||
* Success: Pointer to a SIZE structure.
|
||
* Failure: NULL
|
||
*/
|
||
const SIZE * WINAPI ScriptString_pSize(SCRIPT_STRING_ANALYSIS ssa)
|
||
{
|
||
int i, j;
|
||
StringAnalysis *analysis = ssa;
|
||
|
||
TRACE("(%p)\n", ssa);
|
||
|
||
if (!analysis) return NULL;
|
||
|
||
if (!analysis->sz)
|
||
{
|
||
if (!(analysis->sz = heap_alloc(sizeof(SIZE)))) return NULL;
|
||
analysis->sz->cy = analysis->sc->tm.tmHeight;
|
||
|
||
analysis->sz->cx = 0;
|
||
for (i = 0; i < analysis->numItems; i++)
|
||
for (j = 0; j < analysis->glyphs[i].numGlyphs; j++)
|
||
analysis->sz->cx += analysis->glyphs[i].piAdvance[j];
|
||
}
|
||
return analysis->sz;
|
||
}
|
||
|
||
/***********************************************************************
|
||
* ScriptString_pLogAttr (USP10.@)
|
||
*
|
||
* Retrieve logical attributes of an analysed string.
|
||
*
|
||
* PARAMS
|
||
* ssa [I] string analysis.
|
||
*
|
||
* RETURNS
|
||
* Success: Pointer to an array of SCRIPT_LOGATTR structures.
|
||
* Failure: NULL
|
||
*/
|
||
const SCRIPT_LOGATTR * WINAPI ScriptString_pLogAttr(SCRIPT_STRING_ANALYSIS ssa)
|
||
{
|
||
StringAnalysis *analysis = ssa;
|
||
|
||
TRACE("(%p)\n", ssa);
|
||
|
||
if (!analysis) return NULL;
|
||
return analysis->logattrs;
|
||
}
|
||
|
||
/***********************************************************************
|
||
* ScriptString_pcOutChars (USP10.@)
|
||
*
|
||
* Retrieve the length of a string after clipping.
|
||
*
|
||
* PARAMS
|
||
* ssa [I] String analysis.
|
||
*
|
||
* RETURNS
|
||
* Success: Pointer to the length.
|
||
* Failure: NULL
|
||
*/
|
||
const int * WINAPI ScriptString_pcOutChars(SCRIPT_STRING_ANALYSIS ssa)
|
||
{
|
||
StringAnalysis *analysis = ssa;
|
||
|
||
TRACE("(%p)\n", ssa);
|
||
|
||
if (!analysis) return NULL;
|
||
return &analysis->clip_len;
|
||
}
|
||
|
||
/***********************************************************************
|
||
* ScriptStringGetOrder (USP10.@)
|
||
*
|
||
* Retrieve a glyph order map.
|
||
*
|
||
* PARAMS
|
||
* ssa [I] String analysis.
|
||
* order [I/O] Array of glyph positions.
|
||
*
|
||
* RETURNS
|
||
* Success: S_OK
|
||
* Failure: a non-zero HRESULT.
|
||
*/
|
||
HRESULT WINAPI ScriptStringGetOrder(SCRIPT_STRING_ANALYSIS ssa, UINT *order)
|
||
{
|
||
int i, j;
|
||
unsigned int k;
|
||
StringAnalysis *analysis = ssa;
|
||
|
||
TRACE("(%p)\n", ssa);
|
||
|
||
if (!analysis) return S_FALSE;
|
||
|
||
/* FIXME: handle RTL scripts */
|
||
for (i = 0, k = 0; i < analysis->numItems; i++)
|
||
for (j = 0; j < analysis->glyphs[i].numGlyphs; j++, k++)
|
||
order[k] = k;
|
||
|
||
return S_OK;
|
||
}
|
||
|
||
/***********************************************************************
|
||
* ScriptGetLogicalWidths (USP10.@)
|
||
*
|
||
* Convert advance widths to logical widths.
|
||
*
|
||
* PARAMS
|
||
* sa [I] Script analysis.
|
||
* nbchars [I] Number of characters.
|
||
* nbglyphs [I] Number of glyphs.
|
||
* glyph_width [I] Array of glyph widths.
|
||
* log_clust [I] Array of logical clusters.
|
||
* sva [I] Visual attributes.
|
||
* widths [O] Array of logical widths.
|
||
*
|
||
* RETURNS
|
||
* Success: S_OK
|
||
* Failure: a non-zero HRESULT.
|
||
*/
|
||
HRESULT WINAPI ScriptGetLogicalWidths(const SCRIPT_ANALYSIS *sa, int nbchars, int nbglyphs,
|
||
const int *glyph_width, const WORD *log_clust,
|
||
const SCRIPT_VISATTR *sva, int *widths)
|
||
{
|
||
int i;
|
||
|
||
TRACE("(%p, %d, %d, %p, %p, %p, %p)\n",
|
||
sa, nbchars, nbglyphs, glyph_width, log_clust, sva, widths);
|
||
|
||
/* FIXME */
|
||
for (i = 0; i < nbchars; i++) widths[i] = glyph_width[i];
|
||
return S_OK;
|
||
}
|
||
|
||
/***********************************************************************
|
||
* ScriptApplyLogicalWidth (USP10.@)
|
||
*
|
||
* Generate glyph advance widths.
|
||
*
|
||
* PARAMS
|
||
* dx [I] Array of logical advance widths.
|
||
* num_chars [I] Number of characters.
|
||
* num_glyphs [I] Number of glyphs.
|
||
* log_clust [I] Array of logical clusters.
|
||
* sva [I] Visual attributes.
|
||
* advance [I] Array of glyph advance widths.
|
||
* sa [I] Script analysis.
|
||
* abc [I/O] Summed ABC widths.
|
||
* justify [O] Array of glyph advance widths.
|
||
*
|
||
* RETURNS
|
||
* Success: S_OK
|
||
* Failure: a non-zero HRESULT.
|
||
*/
|
||
HRESULT WINAPI ScriptApplyLogicalWidth(const int *dx, int num_chars, int num_glyphs,
|
||
const WORD *log_clust, const SCRIPT_VISATTR *sva,
|
||
const int *advance, const SCRIPT_ANALYSIS *sa,
|
||
ABC *abc, int *justify)
|
||
{
|
||
int i;
|
||
|
||
FIXME("(%p, %d, %d, %p, %p, %p, %p, %p, %p)\n",
|
||
dx, num_chars, num_glyphs, log_clust, sva, advance, sa, abc, justify);
|
||
|
||
for (i = 0; i < num_chars; i++) justify[i] = advance[i];
|
||
return S_OK;
|
||
}
|
||
|
||
HRESULT WINAPI ScriptJustify(const SCRIPT_VISATTR *sva, const int *advance,
|
||
int num_glyphs, int dx, int min_kashida, int *justify)
|
||
{
|
||
int i;
|
||
|
||
FIXME("(%p, %p, %d, %d, %d, %p)\n", sva, advance, num_glyphs, dx, min_kashida, justify);
|
||
|
||
for (i = 0; i < num_glyphs; i++) justify[i] = advance[i];
|
||
return S_OK;
|
||
}
|