978 lines
41 KiB
C
978 lines
41 KiB
C
/*
|
|
* Text analyzer
|
|
*
|
|
* Copyright 2011 Aric Stewart for CodeWeavers
|
|
* Copyright 2012, 2014 Nikolay Sivov for CodeWeavers
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
#define COBJMACROS
|
|
|
|
#include "dwrite.h"
|
|
#include "dwrite_2.h"
|
|
#include "dwrite_private.h"
|
|
#include "scripts.h"
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(dwrite);
|
|
|
|
extern const unsigned short wine_linebreak_table[];
|
|
extern const unsigned short wine_scripts_table[];
|
|
|
|
struct dwritescript_properties {
|
|
DWRITE_SCRIPT_PROPERTIES props;
|
|
BOOL is_complex;
|
|
};
|
|
|
|
/* NOTE: keep this array synced with script ids from scripts.h */
|
|
static const struct dwritescript_properties dwritescripts_properties[Script_LastId+1] = {
|
|
{ /* Zzzz */ { 0x7a7a7a5a, 999, 15, 0x0020, 0, 0, 0, 0, 0, 0, 0 } },
|
|
{ /* Zyyy */ { 0x7979795a, 998, 1, 0x0020, 0, 1, 1, 0, 0, 0, 0 } },
|
|
{ /* Arab */ { 0x62617241, 160, 8, 0x0640, 0, 1, 0, 0, 0, 1, 1 }, TRUE },
|
|
{ /* Armn */ { 0x6e6d7241, 230, 1, 0x0020, 0, 1, 1, 0, 0, 0, 0 } },
|
|
{ /* Avst */ { 0x74737641, 134, 8, 0x0020, 0, 1, 1, 0, 0, 0, 0 } },
|
|
{ /* Bali */ { 0x696c6142, 360, 15, 0x0020, 1, 0, 1, 0, 0, 0, 0 } },
|
|
{ /* Bamu */ { 0x756d6142, 435, 8, 0x0020, 1, 1, 1, 0, 0, 0, 0 } },
|
|
{ /* Bass */ { 0x73736142, 259, 1, 0x0020, 0, 0, 0, 0, 0, 0, 0 } },
|
|
{ /* Batk */ { 0x6b746142, 365, 8, 0x0020, 0, 1, 1, 0, 0, 0, 0 } },
|
|
{ /* Beng */ { 0x676e6542, 325, 15, 0x0020, 1, 1, 0, 0, 0, 1, 0 }, TRUE },
|
|
{ /* Bopo */ { 0x6f706f42, 285, 1, 0x0020, 0, 0, 1, 1, 0, 0, 0 } },
|
|
{ /* Brah */ { 0x68617242, 300, 8, 0x0020, 0, 1, 1, 0, 0, 0, 0 } },
|
|
{ /* Brai */ { 0x69617242, 570, 1, 0x0020, 0, 1, 1, 0, 0, 0, 0 }, TRUE },
|
|
{ /* Bugi */ { 0x69677542, 367, 8, 0x0020, 0, 1, 1, 0, 0, 0, 0 } },
|
|
{ /* Buhd */ { 0x64687542, 372, 8, 0x0020, 0, 0, 1, 0, 0, 0, 0 } },
|
|
{ /* Cans */ { 0x736e6143, 440, 1, 0x0020, 0, 1, 1, 0, 0, 0, 0 }, TRUE },
|
|
{ /* Cari */ { 0x69726143, 201, 1, 0x0020, 0, 0, 1, 0, 0, 0, 0 } },
|
|
{ /* Aghb */ { 0x62686741, 239, 1, 0x0020, 0, 0, 0, 0, 0, 0, 0 } },
|
|
{ /* Cakm */ { 0x6d6b6143, 349, 1, 0x0020, 0, 0, 0, 0, 0, 0, 0 } },
|
|
{ /* Cham */ { 0x6d616843, 358, 8, 0x0020, 1, 1, 1, 0, 0, 0, 0 } },
|
|
{ /* Cher */ { 0x72656843, 445, 1, 0x0020, 0, 1, 1, 0, 0, 0, 0 }, TRUE },
|
|
{ /* Copt */ { 0x74706f43, 204, 8, 0x0020, 0, 1, 1, 0, 0, 0, 0 } },
|
|
{ /* Xsux */ { 0x78757358, 20, 1, 0x0020, 0, 0, 1, 1, 0, 0, 0 } },
|
|
{ /* Cprt */ { 0x74727043, 403, 1, 0x0020, 0, 0, 1, 0, 0, 0, 0 } },
|
|
{ /* Cyrl */ { 0x6c727943, 220, 8, 0x0020, 0, 1, 1, 0, 0, 0, 0 } },
|
|
{ /* Dsrt */ { 0x74727344, 250, 1, 0x0020, 0, 1, 1, 0, 0, 0, 0 }, TRUE },
|
|
{ /* Deva */ { 0x61766544, 315, 15, 0x0020, 1, 1, 0, 0, 0, 1, 0 }, TRUE },
|
|
{ /* Dupl */ { 0x6c707544, 755, 1, 0x0020, 0, 0, 0, 0, 0, 0, 0 } },
|
|
{ /* Egyp */ { 0x70796745, 50, 1, 0x0020, 0, 0, 1, 1, 0, 0, 0 } },
|
|
{ /* Elba */ { 0x61626c45, 226, 1, 0x0020, 0, 0, 0, 0, 0, 0, 0 } },
|
|
{ /* Ethi */ { 0x69687445, 430, 8, 0x0020, 0, 1, 1, 0, 0, 0, 0 }, TRUE },
|
|
{ /* Geor */ { 0x726f6547, 240, 1, 0x0020, 0, 1, 1, 0, 0, 0, 0 } },
|
|
{ /* Glag */ { 0x67616c47, 225, 1, 0x0020, 0, 1, 1, 0, 0, 0, 0 } },
|
|
{ /* Goth */ { 0x68746f47, 206, 1, 0x0020, 0, 1, 1, 0, 0, 0, 0 } },
|
|
{ /* Gran */ { 0x6e617247, 343, 1, 0x0020, 0, 0, 0, 0, 0, 0, 0 } },
|
|
{ /* Grek */ { 0x6b657247, 200, 1, 0x0020, 0, 1, 1, 0, 0, 0, 0 } },
|
|
{ /* Gujr */ { 0x726a7547, 320, 15, 0x0020, 1, 1, 1, 0, 0, 0, 0 }, TRUE },
|
|
{ /* Guru */ { 0x75727547, 310, 15, 0x0020, 1, 1, 0, 0, 0, 1, 0 }, TRUE },
|
|
{ /* Hani */ { 0x696e6148, 500, 8, 0x0020, 0, 0, 1, 1, 0, 0, 0 } },
|
|
{ /* Hang */ { 0x676e6148, 286, 8, 0x0020, 1, 1, 1, 1, 0, 0, 0 }, TRUE },
|
|
{ /* Hano */ { 0x6f6e6148, 371, 8, 0x0020, 0, 0, 1, 0, 0, 0, 0 } },
|
|
{ /* Hebr */ { 0x72626548, 125, 8, 0x0020, 1, 1, 1, 0, 0, 0, 0 }, TRUE },
|
|
{ /* Hira */ { 0x61726948, 410, 8, 0x0020, 0, 0, 1, 1, 0, 0, 0 } },
|
|
{ /* Armi */ { 0x696d7241, 124, 1, 0x0020, 0, 1, 1, 0, 0, 0, 0 } },
|
|
{ /* Phli */ { 0x696c6850, 131, 1, 0x0020, 0, 1, 1, 0, 0, 0, 0 } },
|
|
{ /* Prti */ { 0x69747250, 130, 1, 0x0020, 0, 1, 1, 0, 0, 0, 0 } },
|
|
{ /* Java */ { 0x6176614a, 361, 15, 0x0020, 1, 0, 1, 0, 0, 0, 0 } },
|
|
{ /* Kthi */ { 0x6968744b, 317, 15, 0x0020, 1, 1, 0, 0, 0, 1, 0 } },
|
|
{ /* Knda */ { 0x61646e4b, 345, 15, 0x0020, 1, 1, 1, 0, 0, 0, 0 }, TRUE },
|
|
{ /* Kana */ { 0x616e614b, 411, 8, 0x0020, 0, 0, 1, 1, 0, 0, 0 } },
|
|
{ /* Kali */ { 0x696c614b, 357, 8, 0x0020, 0, 1, 1, 0, 0, 0, 0 } },
|
|
{ /* Khar */ { 0x7261684b, 305, 15, 0x0020, 1, 0, 1, 0, 0, 0, 0 } },
|
|
{ /* Khmr */ { 0x726d684b, 355, 8, 0x0020, 1, 0, 1, 0, 1, 0, 0 }, TRUE },
|
|
{ /* Khoj */ { 0x6a6f684b, 322, 1, 0x0020, 0, 0, 0, 0, 0, 0, 0 } },
|
|
{ /* Sind */ { 0x646e6953, 318, 1, 0x0020, 0, 0, 0, 0, 0, 0, 0 } },
|
|
{ /* Laoo */ { 0x6f6f614c, 356, 8, 0x0020, 1, 0, 1, 0, 1, 0, 0 }, TRUE },
|
|
{ /* Latn */ { 0x6e74614c, 215, 1, 0x0020, 0, 1, 1, 0, 0, 0, 0 } },
|
|
{ /* Lepc */ { 0x6370654c, 335, 8, 0x0020, 1, 1, 1, 0, 0, 0, 0 } },
|
|
{ /* Limb */ { 0x626d694c, 336, 8, 0x0020, 1, 1, 1, 0, 0, 0, 0 } },
|
|
{ /* Lina */ { 0x616e694c, 400, 1, 0x0020, 0, 0, 0, 0, 0, 0, 0 } },
|
|
{ /* Linb */ { 0x626e694c, 401, 1, 0x0020, 0, 0, 1, 1, 0, 0, 0 } },
|
|
{ /* Lisu */ { 0x7573694c, 399, 1, 0x0020, 0, 1, 1, 0, 0, 0, 0 } },
|
|
{ /* Lyci */ { 0x6963794c, 202, 1, 0x0020, 0, 1, 1, 0, 0, 0, 0 } },
|
|
{ /* Lydi */ { 0x6964794c, 116, 1, 0x0020, 0, 1, 1, 0, 0, 0, 0 } },
|
|
{ /* Mahj */ { 0x6a68614d, 314, 1, 0x0020, 0, 0, 0, 0, 0, 0, 0 } },
|
|
{ /* Mlym */ { 0x6d796c4d, 347, 15, 0x0020, 1, 1, 1, 0, 0, 0, 0 }, TRUE },
|
|
{ /* Mand */ { 0x646e614d, 140, 8, 0x0640, 0, 1, 0, 0, 0, 1, 1 } },
|
|
{ /* Mani */ { 0x696e614d, 139, 1, 0x0020, 0, 0, 0, 0, 0, 0, 0 } },
|
|
{ /* Mtei */ { 0x6965744d, 337, 8, 0x0020, 1, 1, 1, 0, 0, 0, 0 } },
|
|
{ /* Mend */ { 0x646e654d, 438, 1, 0x0020, 0, 0, 0, 0, 0, 0, 0 } },
|
|
{ /* Merc */ { 0x6372654d, 101, 1, 0x0020, 0, 0, 0, 0, 0, 0, 0 } },
|
|
{ /* Mero */ { 0x6f72654d, 100, 1, 0x0020, 0, 0, 0, 0, 0, 0, 0 } },
|
|
{ /* Plrd */ { 0x64726c50, 282, 1, 0x0020, 0, 0, 0, 0, 0, 0, 0 } },
|
|
{ /* Modi */ { 0x69646f4d, 324, 1, 0x0020, 0, 0, 0, 0, 0, 0, 0 } },
|
|
{ /* Mong */ { 0x676e6f4d, 145, 8, 0x0020, 0, 1, 0, 0, 0, 1, 1 }, TRUE },
|
|
{ /* Mroo */ { 0x6f6f724d, 199, 1, 0x0020, 0, 0, 0, 0, 0, 0, 0 } },
|
|
{ /* Mymr */ { 0x726d794d, 350, 15, 0x0020, 1, 1, 1, 0, 0, 0, 0 }, TRUE },
|
|
{ /* Nbat */ { 0x7461624e, 159, 1, 0x0020, 0, 0, 0, 0, 0, 0, 0 } },
|
|
{ /* Talu */ { 0x756c6154, 354, 8, 0x0020, 1, 1, 1, 0, 0, 0, 0 }, TRUE },
|
|
{ /* Nkoo */ { 0x6f6f6b4e, 165, 8, 0x0020, 0, 1, 0, 0, 0, 1, 1 }, TRUE },
|
|
{ /* Ogam */ { 0x6d61674f, 212, 1, 0x1680, 0, 1, 0, 0, 0, 1, 0 }, TRUE },
|
|
{ /* Olck */ { 0x6b636c4f, 261, 1, 0x0020, 0, 1, 1, 0, 0, 0, 0 } },
|
|
{ /* Ital */ { 0x6c617449, 210, 1, 0x0020, 0, 1, 1, 0, 0, 0, 0 } },
|
|
{ /* Narb */ { 0x6272614e, 106, 1, 0x0020, 0, 0, 0, 0, 0, 0, 0 } },
|
|
{ /* Perm */ { 0x6d726550, 227, 1, 0x0020, 0, 0, 0, 0, 0, 0, 0 } },
|
|
{ /* Xpeo */ { 0x6f657058, 30, 1, 0x0020, 0, 1, 1, 1, 0, 0, 0 }, TRUE },
|
|
{ /* Sarb */ { 0x62726153, 105, 1, 0x0020, 0, 1, 1, 0, 0, 0, 0 } },
|
|
{ /* Orkh */ { 0x686b724f, 175, 1, 0x0020, 0, 1, 1, 0, 0, 0, 0 } },
|
|
{ /* Orya */ { 0x6179724f, 327, 15, 0x0020, 1, 1, 1, 0, 0, 0, 0 }, TRUE },
|
|
{ /* Osma */ { 0x616d734f, 260, 8, 0x0020, 0, 1, 1, 0, 0, 0, 0 }, TRUE },
|
|
{ /* Hmng */ { 0x676e6d48, 450, 1, 0x0020, 0, 0, 0, 0, 0, 0, 0 } },
|
|
{ /* Palm */ { 0x6d6c6150, 126, 1, 0x0020, 0, 0, 0, 0, 0, 0, 0 } },
|
|
{ /* Pauc */ { 0x63756150, 263, 1, 0x0020, 0, 0, 0, 0, 0, 0, 0 } },
|
|
{ /* Phag */ { 0x67616850, 331, 8, 0x0020, 0, 1, 0, 0, 0, 1, 1 }, TRUE },
|
|
{ /* Phnx */ { 0x786e6850, 115, 1, 0x0020, 0, 0, 1, 0, 0, 0, 0 } },
|
|
{ /* Phlp */ { 0x706c6850, 132, 1, 0x0020, 0, 0, 0, 0, 0, 0, 0 } },
|
|
{ /* Rjng */ { 0x676e6a52, 363, 8, 0x0020, 1, 0, 1, 0, 0, 0, 0 } },
|
|
{ /* Runr */ { 0x726e7552, 211, 1, 0x0020, 0, 0, 1, 0, 0, 0, 0 }, TRUE },
|
|
{ /* Samr */ { 0x726d6153, 123, 8, 0x0020, 0, 1, 1, 0, 0, 0, 0 } },
|
|
{ /* Saur */ { 0x72756153, 344, 8, 0x0020, 1, 1, 1, 0, 0, 0, 0 } },
|
|
{ /* Shrd */ { 0x64726853, 319, 1, 0x0020, 0, 0, 0, 0, 0, 0, 0 } },
|
|
{ /* Shaw */ { 0x77616853, 281, 1, 0x0020, 0, 1, 1, 0, 0, 0, 0 } },
|
|
{ /* Sidd */ { 0x64646953, 302, 1, 0x0020, 0, 0, 0, 0, 0, 0, 0 } },
|
|
{ /* Sinh */ { 0x686e6953, 348, 8, 0x0020, 1, 1, 1, 0, 0, 0, 0 }, TRUE },
|
|
{ /* Sora */ { 0x61726f53, 398, 1, 0x0020, 0, 0, 0, 0, 0, 0, 0 } },
|
|
{ /* Sund */ { 0x646e7553, 362, 8, 0x0020, 1, 1, 1, 0, 0, 0, 0 } },
|
|
{ /* Sylo */ { 0x6f6c7953, 316, 8, 0x0020, 1, 1, 0, 0, 0, 1, 0 } },
|
|
{ /* Syrc */ { 0x63727953, 135, 8, 0x0640, 0, 1, 0, 0, 0, 1, 1 }, TRUE },
|
|
{ /* Tglg */ { 0x676c6754, 370, 8, 0x0020, 0, 1, 1, 0, 0, 0, 0 } },
|
|
{ /* Tagb */ { 0x62676154, 373, 8, 0x0020, 0, 1, 1, 0, 0, 0, 0 } },
|
|
{ /* Tale */ { 0x656c6154, 353, 1, 0x0020, 0, 1, 1, 0, 0, 0, 0 }, TRUE },
|
|
{ /* Lana */ { 0x616e614c, 351, 8, 0x0020, 1, 0, 1, 0, 0, 0, 0 } },
|
|
{ /* Tavt */ { 0x74766154, 359, 8, 0x0020, 1, 0, 1, 0, 1, 0, 0 } },
|
|
{ /* Takr */ { 0x726b6154, 321, 1, 0x0020, 0, 0, 0, 0, 0, 0, 0 } },
|
|
{ /* Taml */ { 0x6c6d6154, 346, 15, 0x0020, 1, 1, 1, 0, 0, 0, 0 }, TRUE },
|
|
{ /* Telu */ { 0x756c6554, 340, 15, 0x0020, 1, 1, 1, 0, 0, 0, 0 }, TRUE },
|
|
{ /* Thaa */ { 0x61616854, 170, 8, 0x0020, 1, 1, 1, 0, 0, 0, 0 }, TRUE },
|
|
{ /* Thai */ { 0x69616854, 352, 8, 0x0020, 1, 0, 1, 0, 1, 0, 0 }, TRUE },
|
|
{ /* Tibt */ { 0x74626954, 330, 8, 0x0020, 1, 1, 1, 0, 0, 0, 0 }, TRUE },
|
|
{ /* Tfng */ { 0x676e6654, 120, 8, 0x0020, 1, 1, 1, 0, 0, 0, 0 }, TRUE },
|
|
{ /* Tirh */ { 0x68726954, 326, 1, 0x0020, 0, 0, 0, 0, 0, 0, 0 } },
|
|
{ /* Ugar */ { 0x72616755, 40, 1, 0x0020, 0, 0, 1, 1, 0, 0, 0 } },
|
|
{ /* Vaii */ { 0x69696156, 470, 1, 0x0020, 0, 1, 1, 0, 0, 0, 0 }, TRUE },
|
|
{ /* Wara */ { 0x61726157, 262, 1, 0x0020, 0, 0, 0, 0, 0, 0, 0 } },
|
|
{ /* Yiii */ { 0x69696959, 460, 1, 0x0020, 0, 0, 1, 1, 0, 0, 0 }, TRUE }
|
|
};
|
|
|
|
static inline unsigned short get_table_entry(const unsigned short *table, WCHAR ch)
|
|
{
|
|
return table[table[table[ch >> 8] + ((ch >> 4) & 0x0f)] + (ch & 0xf)];
|
|
}
|
|
|
|
static inline UINT16 get_char_script(WCHAR c)
|
|
{
|
|
UINT16 script = get_table_entry(wine_scripts_table, c);
|
|
if (script == Script_Unknown) {
|
|
WORD type;
|
|
if (GetStringTypeW(CT_CTYPE1, &c, 1, &type) && (type & C1_CNTRL))
|
|
script = Script_Common;
|
|
}
|
|
return script;
|
|
}
|
|
|
|
static HRESULT analyze_script(const WCHAR *text, UINT32 len, IDWriteTextAnalysisSink *sink)
|
|
{
|
|
DWRITE_SCRIPT_ANALYSIS sa;
|
|
UINT32 pos, i, length;
|
|
|
|
if (!len) return S_OK;
|
|
|
|
sa.script = get_char_script(*text);
|
|
|
|
pos = 0;
|
|
length = 1;
|
|
|
|
for (i = 1; i < len; i++)
|
|
{
|
|
UINT16 script = get_char_script(text[i]);
|
|
|
|
/* Unknown type is ignored when preceded or followed by another script */
|
|
if (sa.script == Script_Unknown) sa.script = script;
|
|
if (script == Script_Unknown && sa.script != Script_Common) script = sa.script;
|
|
/* this is a length of a sequence to be reported next */
|
|
if (sa.script == script) length++;
|
|
|
|
if (sa.script != script)
|
|
{
|
|
HRESULT hr;
|
|
|
|
sa.shapes = sa.script != Script_Common ? DWRITE_SCRIPT_SHAPES_DEFAULT : DWRITE_SCRIPT_SHAPES_NO_VISUAL;
|
|
hr = IDWriteTextAnalysisSink_SetScriptAnalysis(sink, pos, length, &sa);
|
|
if (FAILED(hr)) return hr;
|
|
pos = i;
|
|
length = 1;
|
|
sa.script = script;
|
|
}
|
|
}
|
|
|
|
/* 1 length case or normal completion call */
|
|
sa.shapes = sa.script != Script_Common ? DWRITE_SCRIPT_SHAPES_DEFAULT : DWRITE_SCRIPT_SHAPES_NO_VISUAL;
|
|
return IDWriteTextAnalysisSink_SetScriptAnalysis(sink, pos, length, &sa);
|
|
}
|
|
|
|
struct linebreaking_state {
|
|
DWRITE_LINE_BREAKPOINT *breakpoints;
|
|
UINT32 count;
|
|
};
|
|
|
|
enum BreakConditionLocation {
|
|
BreakConditionBefore,
|
|
BreakConditionAfter
|
|
};
|
|
|
|
enum linebreaking_classes {
|
|
b_BK = 1,
|
|
b_CR,
|
|
b_LF,
|
|
b_CM,
|
|
b_SG,
|
|
b_GL,
|
|
b_CB,
|
|
b_SP,
|
|
b_ZW,
|
|
b_NL,
|
|
b_WJ,
|
|
b_JL,
|
|
b_JV,
|
|
b_JT,
|
|
b_H2,
|
|
b_H3,
|
|
b_XX,
|
|
b_OP,
|
|
b_CL,
|
|
b_CP,
|
|
b_QU,
|
|
b_NS,
|
|
b_EX,
|
|
b_SY,
|
|
b_IS,
|
|
b_PR,
|
|
b_PO,
|
|
b_NU,
|
|
b_AL,
|
|
b_ID,
|
|
b_IN,
|
|
b_HY,
|
|
b_BB,
|
|
b_BA,
|
|
b_SA,
|
|
b_AI,
|
|
b_B2,
|
|
b_HL,
|
|
b_CJ,
|
|
b_RI
|
|
};
|
|
|
|
/* "Can break" is a weak condition, stronger "may not break" and "must break" override it. Initially all conditions are
|
|
set to "can break" and could only be changed once. */
|
|
static inline void set_break_condition(UINT32 pos, enum BreakConditionLocation location, DWRITE_BREAK_CONDITION condition,
|
|
struct linebreaking_state *state)
|
|
{
|
|
if (location == BreakConditionBefore) {
|
|
if (state->breakpoints[pos].breakConditionBefore != DWRITE_BREAK_CONDITION_CAN_BREAK)
|
|
return;
|
|
state->breakpoints[pos].breakConditionBefore = condition;
|
|
if (pos > 0)
|
|
state->breakpoints[pos-1].breakConditionAfter = condition;
|
|
}
|
|
else {
|
|
if (state->breakpoints[pos].breakConditionAfter != DWRITE_BREAK_CONDITION_CAN_BREAK)
|
|
return;
|
|
state->breakpoints[pos].breakConditionAfter = condition;
|
|
if (pos + 1 < state->count)
|
|
state->breakpoints[pos+1].breakConditionBefore = condition;
|
|
}
|
|
}
|
|
|
|
static HRESULT analyze_linebreaks(const WCHAR *text, UINT32 count, DWRITE_LINE_BREAKPOINT *breakpoints)
|
|
{
|
|
struct linebreaking_state state;
|
|
short *break_class;
|
|
int i, j;
|
|
|
|
break_class = heap_alloc(count*sizeof(short));
|
|
if (!break_class)
|
|
return E_OUTOFMEMORY;
|
|
|
|
state.breakpoints = breakpoints;
|
|
state.count = count;
|
|
|
|
/* LB31 - allow breaks everywhere. It will be overridden if needed as
|
|
other rules dictate. */
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
break_class[i] = get_table_entry(wine_linebreak_table, text[i]);
|
|
|
|
breakpoints[i].breakConditionBefore = DWRITE_BREAK_CONDITION_CAN_BREAK;
|
|
breakpoints[i].breakConditionAfter = DWRITE_BREAK_CONDITION_CAN_BREAK;
|
|
breakpoints[i].isWhitespace = break_class[i] == b_BK || break_class[i] == b_ZW || break_class[i] == b_SP || isspaceW(text[i]);
|
|
breakpoints[i].isSoftHyphen = FALSE;
|
|
breakpoints[i].padding = 0;
|
|
|
|
/* LB1 - resolve some classes. TODO: use external algorithms for these classes. */
|
|
switch (break_class[i])
|
|
{
|
|
case b_AI:
|
|
case b_SA:
|
|
case b_SG:
|
|
case b_XX:
|
|
break_class[i] = b_AL;
|
|
break;
|
|
case b_CJ:
|
|
break_class[i] = b_NS;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* LB2 - never break at the start */
|
|
set_break_condition(0, BreakConditionBefore, DWRITE_BREAK_CONDITION_MAY_NOT_BREAK, &state);
|
|
/* LB3 - always break at the end. This one is ignored. */
|
|
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
switch (break_class[i])
|
|
{
|
|
/* LB4 - LB6 */
|
|
case b_CR:
|
|
/* LB5 - don't break CR x LF */
|
|
if (i < count-1 && break_class[i+1] == b_LF)
|
|
{
|
|
set_break_condition(i, BreakConditionBefore, DWRITE_BREAK_CONDITION_MAY_NOT_BREAK, &state);
|
|
set_break_condition(i, BreakConditionAfter, DWRITE_BREAK_CONDITION_MAY_NOT_BREAK, &state);
|
|
break;
|
|
}
|
|
case b_LF:
|
|
case b_NL:
|
|
case b_BK:
|
|
/* LB4 - LB5 - always break after hard breaks */
|
|
set_break_condition(i, BreakConditionAfter, DWRITE_BREAK_CONDITION_MUST_BREAK, &state);
|
|
/* LB6 - do not break before hard breaks */
|
|
set_break_condition(i, BreakConditionBefore, DWRITE_BREAK_CONDITION_MAY_NOT_BREAK, &state);
|
|
break;
|
|
/* LB7 - do not break before spaces */
|
|
case b_SP:
|
|
set_break_condition(i, BreakConditionBefore, DWRITE_BREAK_CONDITION_MAY_NOT_BREAK, &state);
|
|
break;
|
|
case b_ZW:
|
|
set_break_condition(i, BreakConditionBefore, DWRITE_BREAK_CONDITION_MAY_NOT_BREAK, &state);
|
|
/* LB8 - break before character after zero-width space, skip spaces in-between */
|
|
while (i < count-1 && break_class[i+1] == b_SP)
|
|
i++;
|
|
set_break_condition(i, BreakConditionBefore, DWRITE_BREAK_CONDITION_CAN_BREAK, &state);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* LB9 - LB10 */
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
if (break_class[i] == b_CM)
|
|
{
|
|
if (i > 0)
|
|
{
|
|
switch (break_class[i-1])
|
|
{
|
|
case b_SP:
|
|
case b_BK:
|
|
case b_CR:
|
|
case b_LF:
|
|
case b_NL:
|
|
case b_ZW:
|
|
break_class[i] = b_AL;
|
|
break;
|
|
default:
|
|
break_class[i] = break_class[i-1];
|
|
}
|
|
}
|
|
else break_class[i] = b_AL;
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
switch (break_class[i])
|
|
{
|
|
/* LB11 - don't break before and after word joiner */
|
|
case b_WJ:
|
|
set_break_condition(i, BreakConditionBefore, DWRITE_BREAK_CONDITION_MAY_NOT_BREAK, &state);
|
|
set_break_condition(i, BreakConditionAfter, DWRITE_BREAK_CONDITION_MAY_NOT_BREAK, &state);
|
|
break;
|
|
/* LB12 - don't break after glue */
|
|
case b_GL:
|
|
set_break_condition(i, BreakConditionAfter, DWRITE_BREAK_CONDITION_MAY_NOT_BREAK, &state);
|
|
/* LB12a */
|
|
if (i > 0)
|
|
{
|
|
if (break_class[i-1] != b_SP && break_class[i-1] != b_BA && break_class[i-1] != b_HY)
|
|
set_break_condition(i, BreakConditionBefore, DWRITE_BREAK_CONDITION_MAY_NOT_BREAK, &state);
|
|
}
|
|
break;
|
|
/* LB13 */
|
|
case b_CL:
|
|
case b_CP:
|
|
case b_EX:
|
|
case b_IS:
|
|
case b_SY:
|
|
set_break_condition(i, BreakConditionBefore, DWRITE_BREAK_CONDITION_MAY_NOT_BREAK, &state);
|
|
break;
|
|
/* LB14 */
|
|
case b_OP:
|
|
set_break_condition(i, BreakConditionAfter, DWRITE_BREAK_CONDITION_MAY_NOT_BREAK, &state);
|
|
while (i < count-1 && break_class[i+1] == b_SP) {
|
|
set_break_condition(i, BreakConditionAfter, DWRITE_BREAK_CONDITION_MAY_NOT_BREAK, &state);
|
|
i++;
|
|
}
|
|
break;
|
|
/* LB15 */
|
|
case b_QU:
|
|
j = i+1;
|
|
while (j < count-1 && break_class[j] == b_SP)
|
|
j++;
|
|
if (break_class[j] == b_OP)
|
|
for (; j > i; j--)
|
|
set_break_condition(j, BreakConditionBefore, DWRITE_BREAK_CONDITION_MAY_NOT_BREAK, &state);
|
|
break;
|
|
/* LB16 */
|
|
case b_NS:
|
|
j = i-1;
|
|
while(j > 0 && break_class[j] == b_SP)
|
|
j--;
|
|
if (break_class[j] == b_CL || break_class[j] == b_CP)
|
|
for (j++; j <= i; j++)
|
|
set_break_condition(j, BreakConditionBefore, DWRITE_BREAK_CONDITION_MAY_NOT_BREAK, &state);
|
|
break;
|
|
/* LB17 */
|
|
case b_B2:
|
|
j = i+1;
|
|
while (j < count && break_class[j] == b_SP)
|
|
j++;
|
|
if (break_class[j] == b_B2)
|
|
for (; j > i; j--)
|
|
set_break_condition(j, BreakConditionBefore, DWRITE_BREAK_CONDITION_MAY_NOT_BREAK, &state);
|
|
break;
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
switch(break_class[i])
|
|
{
|
|
/* LB18 - break is allowed after space */
|
|
case b_SP:
|
|
set_break_condition(i, BreakConditionAfter, DWRITE_BREAK_CONDITION_CAN_BREAK, &state);
|
|
break;
|
|
/* LB19 - don't break before or after quotation mark */
|
|
case b_QU:
|
|
set_break_condition(i, BreakConditionBefore, DWRITE_BREAK_CONDITION_MAY_NOT_BREAK, &state);
|
|
set_break_condition(i, BreakConditionAfter, DWRITE_BREAK_CONDITION_MAY_NOT_BREAK, &state);
|
|
break;
|
|
/* LB20 */
|
|
case b_CB:
|
|
set_break_condition(i, BreakConditionBefore, DWRITE_BREAK_CONDITION_CAN_BREAK, &state);
|
|
set_break_condition(i, BreakConditionAfter, DWRITE_BREAK_CONDITION_CAN_BREAK, &state);
|
|
break;
|
|
/* LB21 */
|
|
case b_BA:
|
|
case b_HY:
|
|
case b_NS:
|
|
set_break_condition(i, BreakConditionBefore, DWRITE_BREAK_CONDITION_MAY_NOT_BREAK, &state);
|
|
break;
|
|
case b_BB:
|
|
set_break_condition(i, BreakConditionAfter, DWRITE_BREAK_CONDITION_MAY_NOT_BREAK, &state);
|
|
break;
|
|
/* LB21a */
|
|
case b_HL:
|
|
if (i < count-2)
|
|
switch (break_class[i+1])
|
|
{
|
|
case b_HY:
|
|
case b_BA:
|
|
set_break_condition(i+1, BreakConditionAfter, DWRITE_BREAK_CONDITION_MAY_NOT_BREAK, &state);
|
|
}
|
|
break;
|
|
/* LB22 */
|
|
case b_IN:
|
|
if (i > 0)
|
|
{
|
|
switch (break_class[i-1])
|
|
{
|
|
case b_AL:
|
|
case b_HL:
|
|
case b_ID:
|
|
case b_IN:
|
|
case b_NU:
|
|
set_break_condition(i, BreakConditionBefore, DWRITE_BREAK_CONDITION_MAY_NOT_BREAK, &state);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
if (i < count-1)
|
|
{
|
|
/* LB23 */
|
|
if ((break_class[i] == b_ID && break_class[i+1] == b_PO) ||
|
|
(break_class[i] == b_AL && break_class[i+1] == b_NU) ||
|
|
(break_class[i] == b_HL && break_class[i+1] == b_NU) ||
|
|
(break_class[i] == b_NU && break_class[i+1] == b_AL) ||
|
|
(break_class[i] == b_NU && break_class[i+1] == b_HL))
|
|
set_break_condition(i, BreakConditionAfter, DWRITE_BREAK_CONDITION_MAY_NOT_BREAK, &state);
|
|
/* LB24 */
|
|
if ((break_class[i] == b_PR && break_class[i+1] == b_ID) ||
|
|
(break_class[i] == b_PR && break_class[i+1] == b_AL) ||
|
|
(break_class[i] == b_PR && break_class[i+1] == b_HL) ||
|
|
(break_class[i] == b_PO && break_class[i+1] == b_AL) ||
|
|
(break_class[i] == b_PO && break_class[i+1] == b_HL))
|
|
set_break_condition(i, BreakConditionAfter, DWRITE_BREAK_CONDITION_MAY_NOT_BREAK, &state);
|
|
|
|
/* LB25 */
|
|
if ((break_class[i] == b_CL && break_class[i+1] == b_PO) ||
|
|
(break_class[i] == b_CP && break_class[i+1] == b_PO) ||
|
|
(break_class[i] == b_CL && break_class[i+1] == b_PR) ||
|
|
(break_class[i] == b_CP && break_class[i+1] == b_PR) ||
|
|
(break_class[i] == b_NU && break_class[i+1] == b_PO) ||
|
|
(break_class[i] == b_NU && break_class[i+1] == b_PR) ||
|
|
(break_class[i] == b_PO && break_class[i+1] == b_OP) ||
|
|
(break_class[i] == b_PO && break_class[i+1] == b_NU) ||
|
|
(break_class[i] == b_PR && break_class[i+1] == b_OP) ||
|
|
(break_class[i] == b_PR && break_class[i+1] == b_NU) ||
|
|
(break_class[i] == b_HY && break_class[i+1] == b_NU) ||
|
|
(break_class[i] == b_IS && break_class[i+1] == b_NU) ||
|
|
(break_class[i] == b_NU && break_class[i+1] == b_NU) ||
|
|
(break_class[i] == b_SY && break_class[i+1] == b_NU))
|
|
set_break_condition(i, BreakConditionAfter, DWRITE_BREAK_CONDITION_MAY_NOT_BREAK, &state);
|
|
|
|
/* LB26 */
|
|
if (break_class[i] == b_JL)
|
|
{
|
|
switch (break_class[i+1])
|
|
{
|
|
case b_JL:
|
|
case b_JV:
|
|
case b_H2:
|
|
case b_H3:
|
|
set_break_condition(i, BreakConditionAfter, DWRITE_BREAK_CONDITION_MAY_NOT_BREAK, &state);
|
|
}
|
|
}
|
|
if ((break_class[i] == b_JV || break_class[i] == b_H2) &&
|
|
(break_class[i+1] == b_JV || break_class[i+1] == b_JT))
|
|
set_break_condition(i, BreakConditionAfter, DWRITE_BREAK_CONDITION_MAY_NOT_BREAK, &state);
|
|
if ((break_class[i] == b_JT || break_class[i] == b_H3) &&
|
|
break_class[i+1] == b_JT)
|
|
set_break_condition(i, BreakConditionAfter, DWRITE_BREAK_CONDITION_MAY_NOT_BREAK, &state);
|
|
|
|
/* LB27 */
|
|
switch (break_class[i])
|
|
{
|
|
case b_JL:
|
|
case b_JV:
|
|
case b_JT:
|
|
case b_H2:
|
|
case b_H3:
|
|
if (break_class[i+1] == b_IN || break_class[i+1] == b_PO)
|
|
set_break_condition(i, BreakConditionAfter, DWRITE_BREAK_CONDITION_MAY_NOT_BREAK, &state);
|
|
}
|
|
if (break_class[i] == b_PO)
|
|
{
|
|
switch (break_class[i+1])
|
|
{
|
|
case b_JL:
|
|
case b_JV:
|
|
case b_JT:
|
|
case b_H2:
|
|
case b_H3:
|
|
set_break_condition(i, BreakConditionAfter, DWRITE_BREAK_CONDITION_MAY_NOT_BREAK, &state);
|
|
}
|
|
}
|
|
|
|
/* LB28 */
|
|
if ((break_class[i] == b_AL && break_class[i+1] == b_AL) ||
|
|
(break_class[i] == b_AL && break_class[i+1] == b_HL) ||
|
|
(break_class[i] == b_HL && break_class[i+1] == b_AL) ||
|
|
(break_class[i] == b_HL && break_class[i+1] == b_HL))
|
|
set_break_condition(i, BreakConditionAfter, DWRITE_BREAK_CONDITION_MAY_NOT_BREAK, &state);
|
|
|
|
/* LB29 */
|
|
if ((break_class[i] == b_IS && break_class[i+1] == b_AL) ||
|
|
(break_class[i] == b_IS && break_class[i+1] == b_HL))
|
|
set_break_condition(i, BreakConditionAfter, DWRITE_BREAK_CONDITION_MAY_NOT_BREAK, &state);
|
|
|
|
/* LB30 */
|
|
if ((break_class[i] == b_AL || break_class[i] == b_HL || break_class[i] == b_NU) &&
|
|
break_class[i+1] == b_OP)
|
|
set_break_condition(i, BreakConditionAfter, DWRITE_BREAK_CONDITION_MAY_NOT_BREAK, &state);
|
|
if (break_class[i] == b_CP &&
|
|
(break_class[i+1] == b_AL || break_class[i] == b_HL || break_class[i] == b_NU))
|
|
set_break_condition(i, BreakConditionAfter, DWRITE_BREAK_CONDITION_MAY_NOT_BREAK, &state);
|
|
|
|
/* LB30a */
|
|
if (break_class[i] == b_RI && break_class[i+1] == b_RI)
|
|
set_break_condition(i, BreakConditionAfter, DWRITE_BREAK_CONDITION_MAY_NOT_BREAK, &state);
|
|
}
|
|
}
|
|
|
|
heap_free(break_class);
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI dwritetextanalyzer_QueryInterface(IDWriteTextAnalyzer2 *iface, REFIID riid, void **obj)
|
|
{
|
|
TRACE("(%s %p)\n", debugstr_guid(riid), obj);
|
|
|
|
if (IsEqualIID(riid, &IID_IDWriteTextAnalyzer2) ||
|
|
IsEqualIID(riid, &IID_IDWriteTextAnalyzer1) ||
|
|
IsEqualIID(riid, &IID_IDWriteTextAnalyzer) ||
|
|
IsEqualIID(riid, &IID_IUnknown))
|
|
{
|
|
*obj = iface;
|
|
return S_OK;
|
|
}
|
|
|
|
*obj = NULL;
|
|
return E_NOINTERFACE;
|
|
|
|
}
|
|
|
|
static ULONG WINAPI dwritetextanalyzer_AddRef(IDWriteTextAnalyzer2 *iface)
|
|
{
|
|
return 2;
|
|
}
|
|
|
|
static ULONG WINAPI dwritetextanalyzer_Release(IDWriteTextAnalyzer2 *iface)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
static HRESULT WINAPI dwritetextanalyzer_AnalyzeScript(IDWriteTextAnalyzer2 *iface,
|
|
IDWriteTextAnalysisSource* source, UINT32 position, UINT32 length, IDWriteTextAnalysisSink* sink)
|
|
{
|
|
const WCHAR *text;
|
|
HRESULT hr;
|
|
UINT32 len;
|
|
|
|
TRACE("(%p %u %u %p)\n", source, position, length, sink);
|
|
|
|
hr = IDWriteTextAnalysisSource_GetTextAtPosition(source, position, &text, &len);
|
|
if (FAILED(hr)) return hr;
|
|
|
|
return analyze_script(text, len, sink);
|
|
}
|
|
|
|
static HRESULT WINAPI dwritetextanalyzer_AnalyzeBidi(IDWriteTextAnalyzer2 *iface,
|
|
IDWriteTextAnalysisSource* source, UINT32 position, UINT32 length, IDWriteTextAnalysisSink* sink)
|
|
{
|
|
FIXME("(%p %u %u %p): stub\n", source, position, length, sink);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI dwritetextanalyzer_AnalyzeNumberSubstitution(IDWriteTextAnalyzer2 *iface,
|
|
IDWriteTextAnalysisSource* source, UINT32 position, UINT32 length, IDWriteTextAnalysisSink* sink)
|
|
{
|
|
FIXME("(%p %u %u %p): stub\n", source, position, length, sink);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI dwritetextanalyzer_AnalyzeLineBreakpoints(IDWriteTextAnalyzer2 *iface,
|
|
IDWriteTextAnalysisSource* source, UINT32 position, UINT32 length, IDWriteTextAnalysisSink* sink)
|
|
{
|
|
DWRITE_LINE_BREAKPOINT *breakpoints = NULL;
|
|
WCHAR *buff = NULL;
|
|
const WCHAR *text;
|
|
HRESULT hr;
|
|
UINT32 len;
|
|
|
|
TRACE("(%p %u %u %p)\n", source, position, length, sink);
|
|
|
|
if (length == 0)
|
|
return S_OK;
|
|
|
|
/* get some, check for length */
|
|
text = NULL;
|
|
len = 0;
|
|
hr = IDWriteTextAnalysisSource_GetTextAtPosition(source, position, &text, &len);
|
|
if (FAILED(hr)) return hr;
|
|
|
|
if (len < length) {
|
|
UINT32 read;
|
|
|
|
buff = heap_alloc(length*sizeof(WCHAR));
|
|
if (!buff)
|
|
return E_OUTOFMEMORY;
|
|
memcpy(buff, text, len*sizeof(WCHAR));
|
|
read = len;
|
|
|
|
while (read < length && text) {
|
|
text = NULL;
|
|
len = 0;
|
|
hr = IDWriteTextAnalysisSource_GetTextAtPosition(source, read, &text, &len);
|
|
if (FAILED(hr))
|
|
goto done;
|
|
memcpy(&buff[read], text, min(len, length-read)*sizeof(WCHAR));
|
|
read += len;
|
|
}
|
|
|
|
text = buff;
|
|
}
|
|
|
|
breakpoints = heap_alloc(length*sizeof(*breakpoints));
|
|
if (!breakpoints) {
|
|
hr = E_OUTOFMEMORY;
|
|
goto done;
|
|
}
|
|
|
|
hr = analyze_linebreaks(text, length, breakpoints);
|
|
if (FAILED(hr))
|
|
goto done;
|
|
|
|
hr = IDWriteTextAnalysisSink_SetLineBreakpoints(sink, position, length, breakpoints);
|
|
|
|
done:
|
|
heap_free(breakpoints);
|
|
heap_free(buff);
|
|
|
|
return hr;
|
|
}
|
|
|
|
static HRESULT WINAPI dwritetextanalyzer_GetGlyphs(IDWriteTextAnalyzer2 *iface,
|
|
WCHAR const* text, UINT32 length, IDWriteFontFace* font_face, BOOL is_sideways,
|
|
BOOL is_rtl, DWRITE_SCRIPT_ANALYSIS const* analysis, WCHAR const* locale,
|
|
IDWriteNumberSubstitution* substitution, DWRITE_TYPOGRAPHIC_FEATURES const** features,
|
|
UINT32 const* feature_range_len, UINT32 feature_ranges, UINT32 max_glyph_count,
|
|
UINT16* clustermap, DWRITE_SHAPING_TEXT_PROPERTIES* text_props, UINT16* glyph_indices,
|
|
DWRITE_SHAPING_GLYPH_PROPERTIES* glyph_props, UINT32* actual_glyph_count)
|
|
{
|
|
FIXME("(%s:%u %p %d %d %p %s %p %p %p %u %u %p %p %p %p %p): stub\n", debugstr_wn(text, length),
|
|
length, font_face, is_sideways, is_rtl, analysis, debugstr_w(locale), substitution, features, feature_range_len,
|
|
feature_ranges, max_glyph_count, clustermap, text_props, glyph_indices, glyph_props, actual_glyph_count);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI dwritetextanalyzer_GetGlyphPlacements(IDWriteTextAnalyzer2 *iface,
|
|
WCHAR const* text, UINT16 const* clustermap, DWRITE_SHAPING_TEXT_PROPERTIES* props,
|
|
UINT32 text_len, UINT16 const* glyph_indices, DWRITE_SHAPING_GLYPH_PROPERTIES const* glyph_props,
|
|
UINT32 glyph_count, IDWriteFontFace * font_face, FLOAT fontEmSize, BOOL is_sideways, BOOL is_rtl,
|
|
DWRITE_SCRIPT_ANALYSIS const* analysis, WCHAR const* locale, DWRITE_TYPOGRAPHIC_FEATURES const** features,
|
|
UINT32 const* feature_range_len, UINT32 feature_ranges, FLOAT* glyph_advances, DWRITE_GLYPH_OFFSET* glyph_offsets)
|
|
{
|
|
FIXME("(%s %p %p %u %p %p %u %p %f %d %d %p %s %p %p %u %p %p): stub\n", debugstr_w(text),
|
|
clustermap, props, text_len, glyph_indices, glyph_props, glyph_count, font_face, fontEmSize, is_sideways,
|
|
is_rtl, analysis, debugstr_w(locale), features, feature_range_len, feature_ranges, glyph_advances, glyph_offsets);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI dwritetextanalyzer_GetGdiCompatibleGlyphPlacements(IDWriteTextAnalyzer2 *iface,
|
|
WCHAR const* text, UINT16 const* clustermap, DWRITE_SHAPING_TEXT_PROPERTIES* props,
|
|
UINT32 text_len, UINT16 const* glyph_indices, DWRITE_SHAPING_GLYPH_PROPERTIES const* glyph_props,
|
|
UINT32 glyph_count, IDWriteFontFace * font_face, FLOAT fontEmSize, FLOAT pixels_per_dip,
|
|
DWRITE_MATRIX const* transform, BOOL use_gdi_natural, BOOL is_sideways, BOOL is_rtl,
|
|
DWRITE_SCRIPT_ANALYSIS const* analysis, WCHAR const* locale, DWRITE_TYPOGRAPHIC_FEATURES const** features,
|
|
UINT32 const* feature_range_lengths, UINT32 feature_ranges, FLOAT* glyph_advances, DWRITE_GLYPH_OFFSET* glyph_offsets)
|
|
{
|
|
FIXME("(%s %p %p %u %p %p %u %p %f %f %p %d %d %d %p %s %p %p %u %p %p): stub\n", debugstr_w(text),
|
|
clustermap, props, text_len, glyph_indices, glyph_props, glyph_count, font_face, fontEmSize, pixels_per_dip,
|
|
transform, use_gdi_natural, is_sideways, is_rtl, analysis, debugstr_w(locale), features, feature_range_lengths,
|
|
feature_ranges, glyph_advances, glyph_offsets);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI dwritetextanalyzer1_ApplyCharacterSpacing(IDWriteTextAnalyzer2 *iface,
|
|
FLOAT leading_spacing, FLOAT trailing_spacing, FLOAT min_advance_width, UINT32 len,
|
|
UINT32 glyph_count, UINT16 const *clustermap, FLOAT const *advances, DWRITE_GLYPH_OFFSET const *offsets,
|
|
DWRITE_SHAPING_GLYPH_PROPERTIES const *props, FLOAT *modified_advances, DWRITE_GLYPH_OFFSET *modified_offsets)
|
|
{
|
|
FIXME("(%.2f %.2f %.2f %u %u %p %p %p %p %p %p): stub\n", leading_spacing, trailing_spacing, min_advance_width,
|
|
len, glyph_count, clustermap, advances, offsets, props, modified_advances, modified_offsets);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI dwritetextanalyzer1_GetBaseline(IDWriteTextAnalyzer2 *iface, IDWriteFontFace *face,
|
|
DWRITE_BASELINE baseline, BOOL vertical, BOOL is_simulation_allowed, DWRITE_SCRIPT_ANALYSIS sa,
|
|
const WCHAR *localeName, INT32 *baseline_coord, BOOL *exists)
|
|
{
|
|
FIXME("(%p %d %d %u %s %p %p): stub\n", face, vertical, is_simulation_allowed, sa.script, debugstr_w(localeName),
|
|
baseline_coord, exists);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI dwritetextanalyzer1_AnalyzeVerticalGlyphOrientation(IDWriteTextAnalyzer2 *iface,
|
|
IDWriteTextAnalysisSource1* source, UINT32 text_pos, UINT32 len, IDWriteTextAnalysisSink1 *sink)
|
|
{
|
|
FIXME("(%p %u %u %p): stub\n", source, text_pos, len, sink);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI dwritetextanalyzer1_GetGlyphOrientationTransform(IDWriteTextAnalyzer2 *iface,
|
|
DWRITE_GLYPH_ORIENTATION_ANGLE angle, BOOL is_sideways, DWRITE_MATRIX *transform)
|
|
{
|
|
FIXME("(%d %d %p): stub\n", angle, is_sideways, transform);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI dwritetextanalyzer1_GetScriptProperties(IDWriteTextAnalyzer2 *iface, DWRITE_SCRIPT_ANALYSIS sa,
|
|
DWRITE_SCRIPT_PROPERTIES *props)
|
|
{
|
|
TRACE("(%u %p)\n", sa.script, props);
|
|
|
|
if (sa.script > Script_LastId)
|
|
return E_INVALIDARG;
|
|
|
|
*props = dwritescripts_properties[sa.script].props;
|
|
return S_OK;
|
|
}
|
|
|
|
static inline BOOL is_char_from_simple_script(WCHAR c)
|
|
{
|
|
if (IS_HIGH_SURROGATE(c) || IS_LOW_SURROGATE(c))
|
|
return FALSE;
|
|
else {
|
|
UINT16 script = get_char_script(c);
|
|
return !dwritescripts_properties[script].is_complex;
|
|
}
|
|
}
|
|
|
|
static HRESULT WINAPI dwritetextanalyzer1_GetTextComplexity(IDWriteTextAnalyzer2 *iface, const WCHAR *text,
|
|
UINT32 len, IDWriteFontFace *face, BOOL *is_simple, UINT32 *len_read, UINT16 *indices)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
int i;
|
|
|
|
TRACE("(%s:%u %p %p %p %p)\n", debugstr_wn(text, len), len, face, is_simple, len_read, indices);
|
|
|
|
*is_simple = FALSE;
|
|
*len_read = 0;
|
|
|
|
if (!face)
|
|
return E_INVALIDARG;
|
|
|
|
if (len == 0) {
|
|
*is_simple = TRUE;
|
|
return S_OK;
|
|
}
|
|
|
|
*is_simple = text[0] && is_char_from_simple_script(text[0]);
|
|
for (i = 1; i < len && text[i]; i++) {
|
|
if (is_char_from_simple_script(text[i])) {
|
|
if (!*is_simple)
|
|
break;
|
|
}
|
|
else
|
|
*is_simple = FALSE;
|
|
}
|
|
|
|
*len_read = i;
|
|
|
|
/* fetch indices */
|
|
if (*is_simple && indices) {
|
|
UINT32 *codepoints = heap_alloc(*len_read*sizeof(UINT32));
|
|
if (!codepoints)
|
|
return E_OUTOFMEMORY;
|
|
|
|
for (i = 0; i < *len_read; i++)
|
|
codepoints[i] = text[i];
|
|
|
|
hr = IDWriteFontFace_GetGlyphIndices(face, codepoints, *len_read, indices);
|
|
heap_free(codepoints);
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
static HRESULT WINAPI dwritetextanalyzer1_GetJustificationOpportunities(IDWriteTextAnalyzer2 *iface,
|
|
IDWriteFontFace *face, FLOAT font_em_size, DWRITE_SCRIPT_ANALYSIS sa, UINT32 length, UINT32 glyph_count,
|
|
const WCHAR *text, const UINT16 *clustermap, const DWRITE_SHAPING_GLYPH_PROPERTIES *prop, DWRITE_JUSTIFICATION_OPPORTUNITY *jo)
|
|
{
|
|
FIXME("(%p %.2f %u %u %u %s %p %p %p): stub\n", face, font_em_size, sa.script, length, glyph_count,
|
|
debugstr_w(text), clustermap, prop, jo);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI dwritetextanalyzer1_JustifyGlyphAdvances(IDWriteTextAnalyzer2 *iface,
|
|
FLOAT width, UINT32 glyph_count, const DWRITE_JUSTIFICATION_OPPORTUNITY *jo, const FLOAT *advances,
|
|
const DWRITE_GLYPH_OFFSET *offsets, FLOAT *justifiedadvances, DWRITE_GLYPH_OFFSET *justifiedoffsets)
|
|
{
|
|
FIXME("(%.2f %u %p %p %p %p %p): stub\n", width, glyph_count, jo, advances, offsets, justifiedadvances,
|
|
justifiedoffsets);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI dwritetextanalyzer1_GetJustifiedGlyphs(IDWriteTextAnalyzer2 *iface,
|
|
IDWriteFontFace *face, FLOAT font_em_size, DWRITE_SCRIPT_ANALYSIS sa, UINT32 length,
|
|
UINT32 glyph_count, UINT32 max_glyphcount, const UINT16 *clustermap, const UINT16 *indices,
|
|
const FLOAT *advances, const FLOAT *justifiedadvances, const DWRITE_GLYPH_OFFSET *justifiedoffsets,
|
|
const DWRITE_SHAPING_GLYPH_PROPERTIES *prop, UINT32 *actual_count, UINT16 *modified_clustermap,
|
|
UINT16 *modified_indices, FLOAT *modified_advances, DWRITE_GLYPH_OFFSET *modified_offsets)
|
|
{
|
|
FIXME("(%p %.2f %u %u %u %u %p %p %p %p %p %p %p %p %p %p %p): stub\n", face, font_em_size, sa.script,
|
|
length, glyph_count, max_glyphcount, clustermap, indices, advances, justifiedadvances, justifiedoffsets,
|
|
prop, actual_count, modified_clustermap, modified_indices, modified_advances, modified_offsets);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI dwritetextanalyzer2_GetGlyphOrientationTransform(IDWriteTextAnalyzer2 *iface,
|
|
DWRITE_GLYPH_ORIENTATION_ANGLE angle, BOOL is_sideways, FLOAT originX, FLOAT originY, DWRITE_MATRIX *transform)
|
|
{
|
|
FIXME("(%d %d %.2f %.2f %p): stub\n", angle, is_sideways, originX, originY, transform);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI dwritetextanalyzer2_GetTypographicFeatures(IDWriteTextAnalyzer2 *iface,
|
|
IDWriteFontFace *face, DWRITE_SCRIPT_ANALYSIS sa, const WCHAR *localeName,
|
|
UINT32 max_tagcount, UINT32 *actual_tagcount, DWRITE_FONT_FEATURE_TAG *tags)
|
|
{
|
|
FIXME("(%p %u %s %u %p %p): stub\n", face, sa.script, debugstr_w(localeName), max_tagcount, actual_tagcount,
|
|
tags);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI dwritetextanalyzer2_CheckTypographicFeature(IDWriteTextAnalyzer2 *iface,
|
|
IDWriteFontFace *face, DWRITE_SCRIPT_ANALYSIS sa, const WCHAR *localeName,
|
|
DWRITE_FONT_FEATURE_TAG feature, UINT32 glyph_count, const UINT16 *indices, UINT8 *feature_applies)
|
|
{
|
|
FIXME("(%p %u %s %x %u %p %p): stub\n", face, sa.script, debugstr_w(localeName), feature, glyph_count, indices,
|
|
feature_applies);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static const struct IDWriteTextAnalyzer2Vtbl textanalyzervtbl = {
|
|
dwritetextanalyzer_QueryInterface,
|
|
dwritetextanalyzer_AddRef,
|
|
dwritetextanalyzer_Release,
|
|
dwritetextanalyzer_AnalyzeScript,
|
|
dwritetextanalyzer_AnalyzeBidi,
|
|
dwritetextanalyzer_AnalyzeNumberSubstitution,
|
|
dwritetextanalyzer_AnalyzeLineBreakpoints,
|
|
dwritetextanalyzer_GetGlyphs,
|
|
dwritetextanalyzer_GetGlyphPlacements,
|
|
dwritetextanalyzer_GetGdiCompatibleGlyphPlacements,
|
|
dwritetextanalyzer1_ApplyCharacterSpacing,
|
|
dwritetextanalyzer1_GetBaseline,
|
|
dwritetextanalyzer1_AnalyzeVerticalGlyphOrientation,
|
|
dwritetextanalyzer1_GetGlyphOrientationTransform,
|
|
dwritetextanalyzer1_GetScriptProperties,
|
|
dwritetextanalyzer1_GetTextComplexity,
|
|
dwritetextanalyzer1_GetJustificationOpportunities,
|
|
dwritetextanalyzer1_JustifyGlyphAdvances,
|
|
dwritetextanalyzer1_GetJustifiedGlyphs,
|
|
dwritetextanalyzer2_GetGlyphOrientationTransform,
|
|
dwritetextanalyzer2_GetTypographicFeatures,
|
|
dwritetextanalyzer2_CheckTypographicFeature
|
|
};
|
|
|
|
static IDWriteTextAnalyzer2 textanalyzer = { &textanalyzervtbl };
|
|
|
|
HRESULT get_textanalyzer(IDWriteTextAnalyzer **ret)
|
|
{
|
|
*ret = (IDWriteTextAnalyzer*)&textanalyzer;
|
|
return S_OK;
|
|
}
|