graphicsdeviceinterface/gdi/sgdi/FontArabic.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 01:47:50 +0200
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permissions -rw-r--r--
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// Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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/**
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 @file
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 @internalComponent
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*/
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#include <gdi.h>
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#include "FontArabic.h"
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#include "GDIPANIC.h"
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//
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// Arabic Presentation Forms.
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//
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/**
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 The contextual forms of each character in the range 0621 - 064A, in
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 the order final, initial, medial; followed by the forms of
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 the lam-alef ligatures (lam with 0622, 0623, 0625 and 0627);
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 followed by the forms of the characters in the range 0671 - 06D3
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*/
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LOCAL_D const TUint16 TheArabicShapeTable[] =
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	{
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	// Contextual forms for standard Arabic letters
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	0x621, 0x621, 0x621,			// 621
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	0xfe82, 0x622, 0x622,			// 622
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	0xfe84, 0x623, 0x623,			// 623
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	0xfe86, 0x624, 0x624,			// 624
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	0xfe88, 0x625, 0x625,			// 625
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	0xfe8a, 0xfe8b, 0xfe8c,			// 626
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	0xfe8e, 0x627,	0x627,			// 627
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	0xfe90, 0xfe91, 0xfe92,			// 628
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	0xfe94, 0x629, 0x629,			// 629
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	0xfe96, 0xfe97, 0xfe98,			// 62a
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	0xfe9a, 0xfe9b, 0xfe9c,			// 62b
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	0xfe9e, 0xfe9f, 0xfea0,			// 62c
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	0xfea2, 0xfea3, 0xfea4,			// 62d
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	0xfea6, 0xfea7, 0xfea8,			// 62e
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	0xfeaa, 0x62f, 0x62f,			// 62f
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	0xfeac, 0x630, 0x630,			// 630
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	0xfeae, 0x631, 0x631,			// 631
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	0xfeb0, 0x632, 0x632,			// 632
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	0xfeb2, 0xfeb3, 0xfeb4,			// 633
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	0xfeb6, 0xfeb7, 0xfeb8,			// 634
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	0xfeba, 0xfebb, 0xfebc,			// 635
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	0xfebe, 0xfebf, 0xfec0,			// 636
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	0xfec2, 0xfec3, 0xfec4,			// 637
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	0xfec6, 0xfec7, 0xfec8,			// 638
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	0xfeca, 0xfecb, 0xfecc,			// 639
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    66
	0xfece, 0xfecf, 0xfed0,			// 63a
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    67
	0x63b, 0x63b, 0x63b,			// placeholder
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    68
	0x63c, 0x63c, 0x63c,			// placeholder
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	0x63d, 0x63d, 0x63d,			// placeholder
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	0x63e, 0x63e, 0x63e,			// placeholder
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	0x63f, 0x63f, 0x63f,			// placeholder
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	0x640, 0x640, 0x640,			// 640
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    73
	0xfed2, 0xfed3, 0xfed4,			// 641
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    74
	0xfed6, 0xfed7, 0xfed8,			// 642
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    75
	0xfeda, 0xfedb, 0xfedc,			// 643
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    76
	0xfede, 0xfedf, 0xfee0,			// 644
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    77
	0xfee2, 0xfee3, 0xfee4,			// 645
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    78
	0xfee6, 0xfee7, 0xfee8,			// 646
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    79
	0xfeea, 0xfeeb, 0xfeec,			// 647
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    80
	0xfeee, 0x648, 0x648,			// 648
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    81
	0xfef0, 0xfbe8, 0xfbe9,			// 649
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    82
	0xfef2, 0xfef3, 0xfef4,			// 64A
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    83
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    84
	// Contextual forms for lam-alef ligatures
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    85
	0xfef6, 0xfef5, 0xfef5,			// 644 + 622
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    86
	0xfef8, 0xfef7, 0xfef7,			// 644 + 623
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    87
	0xfefa, 0xfef9, 0xfef9,			// 644 + 625
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    88
	0xfefc, 0xfefb, 0xfefb,			// 644 + 627
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diff changeset
    89
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    90
	// Contextual forms for extended Arabic letters for Persian, Urdu, Sindhi, etc.
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    91
	0xfb51, 0x0671, 0x0671,			// 671
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    92
	0x0672, 0x0672, 0x0672,			// placeholder
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    93
	0x0673, 0x0673, 0x0673,			// placeholder
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    94
	0x0674, 0x0674, 0x0674,			// placeholder
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    95
	0x0675, 0x0675, 0x0675,			// placeholder
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    96
	0x0676, 0x0676, 0x0676,			// placeholder
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    97
	0x0677, 0x0677, 0x0677,			// placeholder
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    98
	0x0678, 0x0678, 0x0678,			// placeholder
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    99
	0xfb67, 0xfb68, 0xfb69,			// 679
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   100
	0xfb5f, 0xfb60, 0xfb61,			// 67a
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parents:
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   101
	0xfb53, 0xfb54, 0xfb55,			// 67b
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   102
	0x067c, 0x067c, 0x067c,			// placeholder
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parents:
diff changeset
   103
	0x067d, 0x067d, 0x067d,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   104
	0xfb57, 0xfb58, 0xfb59,			// 67e
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   105
	0xfb63, 0xfb64, 0xfb65,			// 67f
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   106
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   107
	0xfb5b, 0xfb5c, 0xfb5d,			// 680
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   108
	0x0681, 0x0681, 0x0681,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   109
	0x0682, 0x0682, 0x0682,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   110
	0xfb77, 0xfb78, 0xfb79,			// 683
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   111
	0xfb73, 0xfb74, 0xfb75,			// 684
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   112
	0x0685, 0x0685, 0x0685,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   113
	0xfb7b, 0xfb7c, 0xfb7d,			// 686
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   114
	0xfb7f, 0xfb80, 0xfb81,			// 687
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   115
	0xfb89, 0x0688, 0x0688,			// 688
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   116
	0x0689, 0x0689, 0x0689,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   117
	0x068a, 0x068a, 0x068a,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   118
	0x068b, 0x068b, 0x068b,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   119
	0xfb85, 0x068c, 0x068c,			// 68c
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   120
	0xfb83, 0x068d, 0x068d,			// 68d
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   121
	0xfb87, 0x068e, 0x068e,			// 68e
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   122
	0x068f, 0x068f, 0x068f,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   123
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   124
	0x0690, 0x0690, 0x0690,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   125
	0xfb8d, 0x0691, 0x0691,			// 691
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   126
	0x0692, 0x0692, 0x0692,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   127
	0x0693, 0x0693, 0x0693,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   128
	0x0694, 0x0694, 0x0694,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   129
	0x0695, 0x0695, 0x0695,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   130
	0x0696, 0x0696, 0x0696,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   131
	0x0697, 0x0697, 0x0697,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   132
	0xfb8b, 0x0698, 0x0698,			// 698
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   133
	0x0699, 0x0699, 0x0699,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   134
	0x069a, 0x069a, 0x069a,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   135
	0x069b, 0x069b, 0x069b,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   136
	0x069c, 0x069c, 0x069c,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   137
	0x069d, 0x069d, 0x069d,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   138
	0x069e, 0x069e, 0x069e,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   139
	0x069f, 0x069f, 0x069f,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   140
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   141
	0x06a0, 0x06a0, 0x06a0,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   142
	0x06a1, 0x06a1, 0x06a1,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   143
	0x06a2, 0x06a2, 0x06a2,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   144
	0x06a3, 0x06a3, 0x06a3,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   145
	0xfb6b, 0xfb6c, 0xfb6d,			// 6a4
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   146
	0x06a5, 0x06a5, 0x06a5,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   147
	0xfb6f, 0xfb70, 0xfb71,			// 6a6
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   148
	0x06a7, 0x06a7, 0x06a7,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   149
	0x06a8, 0x06a8, 0x06a8,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   150
	0xfb8f, 0xfb90, 0xfb91,			// 6a9
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   151
	0x06aa, 0x06aa, 0x06aa,			// 6aa
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   152
	0x06ab, 0x06ab, 0x06ab,			// 6ab
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   153
	0x06ac, 0x06ac, 0x06ac,			// 6ac
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   154
	0xfbd4, 0xfbd5, 0xfbd6,			// 6ad
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   155
	0x06ae, 0x06ae, 0x06ae,			// 6ae
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   156
	0xfb93, 0xfb94, 0xfb95,			// 6af
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   157
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   158
	0x06b0, 0x06b0, 0x06b0,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   159
	0xfb9b, 0xfb9c, 0xfb9d,			// 6b1
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   160
	0x06b2, 0x06b2, 0x06b2,			// 6b2
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   161
	0xfb97, 0xfb98, 0xfb99,			// 6b3
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   162
	0x06b4, 0x06b4, 0x06b4,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   163
	0x06b5, 0x06b5, 0x06b5,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   164
	0x06b6, 0x06b6, 0x06b6,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   165
	0x06b7, 0x06b7, 0x06b7,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   166
	0x06b8, 0x06b8, 0x06b8,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   167
	0x06b9, 0x06b9, 0x06b9,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   168
	0xfb9f, 0x06ba, 0x06ba,			// 6ba
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   169
	0xfba1, 0xfba2, 0xfba3,			// 6bb
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   170
	0x06bc, 0x06bc, 0x06bc,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   171
	0x06bd, 0x06bd, 0x06bd,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   172
	0xfbab, 0xfbac, 0xfbad,			// 6be
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   173
	0x06bf, 0x06bf, 0x06bf,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   174
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   175
	0xfba5, 0x06c0, 0x06c0,			// 6c0
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   176
	0xfba7, 0xfba8, 0xfba9,			// 6c1
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   177
	0x06c2, 0x06c2, 0x06c2,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   178
	0x06c3, 0x06c3, 0x06c3,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   179
	0x06c4, 0x06c4, 0x06c4,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   180
	0xfbe1, 0x06c5, 0x06c5,			// 6c5
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   181
	0xfbda, 0x06c6, 0x06c6,			// 6c6
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   182
	0xfbd8, 0x06c7, 0x06c7,			// 6c7
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   183
	0xfbdc, 0x06c8, 0x06c8,			// 6c8
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   184
	0xfbe3, 0x06c9, 0x06c9,			// 6c9
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   185
	0x06ca, 0x06ca, 0x06ca,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   186
	0xfbdf, 0x06cb, 0x06cb,			// 6cb
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   187
	0xfbfd, 0xfbfe, 0xfbff,			// 6cc
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   188
	0x06cd, 0x06cd, 0x06cd,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   189
	0x06ce, 0x06ce, 0x06ce,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   190
	0x06cf, 0x06cf, 0x06cf,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   191
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   192
	0xfbe5, 0xfbe6, 0xfbe7,			// 6d0
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   193
	0x06d1, 0x06d1, 0x06d1,			// placeholder
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   194
	0xfbaf, 0x06d2, 0x06d2,			// 6d2
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   195
	0xfbb1, 0x06d3, 0x06d3			// 6d3
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   196
	};
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   197
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   198
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   199
static const int KFinal = 0;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   200
static const int KInitial = 1;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   201
static const int KMedial = 2;
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   202
static const int KStandardShapeTableOffset = 0x621;
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   203
static const int KLamAlefShapeTableStart = 0x64B - 0x621;
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   204
static const int KExtendedShapeTableOffset = 0x671 - (0x64f - 0x621);
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   205
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   206
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   207
static inline TInt ArabicShapeTableIndex(TInt aCode)
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   208
	{
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   209
	if (aCode >= 0x621 && aCode <= 0x64a)
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		return (aCode - KStandardShapeTableOffset) * 3;
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   211
	if (aCode >= 0x671 && aCode <= 0x6d3)
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   212
		return (aCode - KExtendedShapeTableOffset) * 3;
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   213
	return KErrNotFound;
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   214
	}
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   215
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   216
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   217
static inline TBool IsArabicPoint(TInt aCode)
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   218
	{
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   219
	return (aCode >= 0x64B && aCode <= 0x655) || aCode == 0x670;
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   220
	}
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   221
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   222
TInt ConsumeCharsAndDeterminePresentationForm(const TUtf32Iterator& aText,
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   223
	TUint aFlags, TInt& aLigaturePortionsRemaining)
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   224
/**
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   225
 Get the Arabic or other presentation form, consuming as many characters 
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   226
 as necessary. This function can cope with text that has already been 
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   227
 reversed.
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   228
@internalComponent
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   229
*/
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   230
	{
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   231
	TUint c = aText.Get();
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   232
	TInt index = ArabicShapeTableIndex(c);
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   233
	if (index != -1)
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   234
		{
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   235
		if (aLigaturePortionsRemaining != 0)
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diff changeset
   236
			{
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   237
			--aLigaturePortionsRemaining;
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diff changeset
   238
			GDI_ASSERT_DEBUG(!aText.AtEnd(), EGdiPanic_Invariant);
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   239
			return 0xFFFF;
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   240
			}
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   241
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   242
		int position = -1;
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diff changeset
   243
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   244
		// Find previous and next character, skipping Arabic points.
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   245
		TUtf32Iterator tmpText(aText);		
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   246
		tmpText.Prev();
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   247
        TUint prev = 0xFFFF;
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   248
        while (!tmpText.BeforeStart() && (prev == 0xFFFF || IsArabicPoint(prev)))
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diff changeset
   249
            prev = tmpText.GetThenPrev();		
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diff changeset
   250
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   251
		tmpText = aText;
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   252
		tmpText.Next();
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   253
        TUint next = 0xFFFF;
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parents:
diff changeset
   254
        while (!tmpText.AtEnd() && (next == 0xFFFF || IsArabicPoint(next)))
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diff changeset
   255
            next = tmpText.GetThenNext();		
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parents:
diff changeset
   256
		
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diff changeset
   257
		TInt possible_lam = (aFlags & CFont::TPositionParam::EFLogicalOrder)?
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diff changeset
   258
			c : next;
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diff changeset
   259
		TInt possible_alef = (aFlags & CFont::TPositionParam::EFLogicalOrder)?
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   260
			next : c;
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diff changeset
   261
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   262
		// Perform lam-alef ligation if necessary.
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   263
		if (possible_lam == 0x644 &&
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diff changeset
   264
			(possible_alef == 0x622 || possible_alef == 0x623 || possible_alef == 0x625 || possible_alef == 0x627))
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diff changeset
   265
			{
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   266
			switch(possible_alef)
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diff changeset
   267
				{
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diff changeset
   268
				case 0x622:
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parents:
diff changeset
   269
					{
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   270
					c = 0xfef5;
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parents:
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   271
					index = KLamAlefShapeTableStart;
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diff changeset
   272
					break;
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diff changeset
   273
					}
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diff changeset
   274
				case 0x623:
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diff changeset
   275
					{
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   276
					c = 0xfef7;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   277
					index = KLamAlefShapeTableStart + 1;
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diff changeset
   278
					break;
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parents:
diff changeset
   279
					}
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diff changeset
   280
				case 0x625:
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parents:
diff changeset
   281
					{
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parents:
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   282
					c = 0xfef9;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   283
					index = KLamAlefShapeTableStart + 2;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff changeset
   284
					break;
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parents:
diff changeset
   285
					}
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parents:
diff changeset
   286
				default:
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parents:
diff changeset
   287
					{
5d03bc08d59c Revision: 201003
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parents:
diff changeset
   288
					c = 0xfefb;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   289
					index = KLamAlefShapeTableStart + 3;
5d03bc08d59c Revision: 201003
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parents:
diff changeset
   290
					}
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parents:
diff changeset
   291
				}
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   292
			index *= 3;
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parents:
diff changeset
   293
			aLigaturePortionsRemaining = 2;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   294
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   295
			next = 0xFFFF;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   296
			while (!tmpText.AtEnd() && (next == 0xFFFF || IsArabicPoint(next)))
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   297
				{
5d03bc08d59c Revision: 201003
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parents:
diff changeset
   298
				next = tmpText.Get();
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   299
				tmpText.Next();
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parents:
diff changeset
   300
				}
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   301
			}
5d03bc08d59c Revision: 201003
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parents:
diff changeset
   302
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   303
		TInt left = (aFlags & CFont::TPositionParam::EFLogicalOrder)? prev : next;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   304
		TInt right = (aFlags & CFont::TPositionParam::EFLogicalOrder)? next : prev;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   305
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   306
		TBool prefix = FALSE;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   307
		if (left == 0x640 || left == 0x200D) // kashida or Zero-Width Joiner
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   308
			prefix = TRUE;
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parents:
diff changeset
   309
		else
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parents:
diff changeset
   310
			{
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   311
			TInt left_index = ArabicShapeTableIndex(left);
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   312
			if (left_index != -1)
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   313
				{
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   314
				if (static_cast<TInt>(TheArabicShapeTable[left_index + KInitial]) != left ||
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   315
					static_cast<TInt>(TheArabicShapeTable[left_index + KMedial]) != left)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   316
					prefix = TRUE;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   317
				}
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   318
			}
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   319
		TBool suffix = FALSE;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   320
		if (right == 0x640 || right == 0x200D) // kashida or Zero-Width Joiner
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   321
			suffix = TRUE;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   322
		else 
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   323
			{
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   324
			TInt right_index = ArabicShapeTableIndex(right);
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   325
			if (right_index != -1)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   326
				{
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   327
				if (static_cast<TInt>(TheArabicShapeTable[right_index + KFinal]) != right ||
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   328
					static_cast<TInt>(TheArabicShapeTable[right_index + KMedial]) != right)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   329
					suffix = TRUE;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   330
				}
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   331
			}
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   332
		TBool medial = static_cast<TUint>(TheArabicShapeTable[index + KMedial]) != c;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   333
		if (medial)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   334
			{
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   335
			if (prefix && suffix)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   336
				position = KMedial;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   337
			else if (prefix)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   338
				position = KFinal;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   339
			else if (suffix)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   340
				position = KInitial;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   341
			}
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   342
		else
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   343
			{
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   344
			if (prefix)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   345
				position = KFinal;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   346
			else if (suffix)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   347
				position = KInitial;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   348
			}
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   349
		if (position >= 0)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   350
			c = TheArabicShapeTable[index + position];
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   351
		}
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   352
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   353
	return c;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   354
	}
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   355
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   356
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   357
// 
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   358
//
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   359
// GlyphSelector_Arabic Class definition
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   360
//
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   361
//
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   362
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   363
TBool GlyphSelector_Arabic::Process(TGlyphSelectionState& aGss, RShapeInfo&) 
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   364
	{
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   365
	// Select glyph - use presentation form if applicable.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   366
	TInt ligaturePortions = aGss.iLigaturePortionsRemaining;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   367
	TUint flags = aGss.iParam.iFlags;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   368
	TUint code = ConsumeCharsAndDeterminePresentationForm(aGss.iText,
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   369
		flags, ligaturePortions);
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   370
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   371
	aGss.iText.Next();
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   372
	aGss.iClusterState = !aGss.iText.AtEnd() &&
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   373
		(aGss.iText.Get().GetCategory() & 0xF0) == TChar::EMarkGroup?
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   374
		TGlyphSelectionState::EGClusterNotComplete
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   375
		: TGlyphSelectionState::EGClusterComplete;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   376
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   377
	// If we are beginning a new portion of a ligature, we must set the state.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   378
	if (ligaturePortions != aGss.iLigaturePortionsRemaining)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   379
		{
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   380
		if (ligaturePortions != 1)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   381
			aGss.iClusterState = TGlyphSelectionState::EGClusterNotComplete;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   382
		aGss.iLigaturePortionFirstMark = aGss.iParam.iOutputGlyphs;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   383
		if (ligaturePortions < aGss.iLigaturePortionsRemaining)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   384
			{
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   385
			aGss.iLigaturePortionsRemaining = ligaturePortions;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   386
			// We have just swallowed a non-initial part of the ligature, which
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   387
			// must not be drawn.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   388
			GDI_ASSERT_DEBUG(code == 0xFFFF, EGdiPanic_Invariant);
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   389
			return ETrue;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   390
			}
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   391
		aGss.iLigaturePortionsRemaining = ligaturePortions;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   392
		}
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   393
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   394
	// In this method we always output the glyph code calculate previously.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   395
	if (!aGss.AppendGlyphToCluster(code))
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   396
		return EFalse;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   397
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   398
	if (!aGss.IsCombiningClass())
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   399
		{
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   400
		aGss.iPen = TGlyphSelectionState::EPenAdvance_Yes;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   401
		return ETrue;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   402
		}
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   403
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   404
	// Adjust glyph's bounds further to position this character.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   405
	aGss.iPen = TGlyphSelectionState::EPenAdvance_No;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   406
	TRect baseBounds = aGss.iParam.iOutput[0].iBounds;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   407
	TInt firstMark = 1;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   408
	if (aGss.iLigaturePortionsRemaining != 0)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   409
		{
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   410
		TInt centre = (baseBounds.iBr.iX + baseBounds.iTl.iX) >> 1;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   411
		TBool firstHalf = aGss.iLigaturePortionsRemaining == 2;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   412
		TBool rightHandSide = flags & CFont::TPositionParam::EFLogicalOrder?
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   413
			firstHalf : !firstHalf;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   414
		if (rightHandSide)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   415
			baseBounds.iTl.iX = centre;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   416
		else
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   417
			baseBounds.iBr.iX = centre;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   418
		if (firstHalf)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   419
			aGss.iClusterState = TGlyphSelectionState::EGClusterNotComplete;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   420
		firstMark = aGss.iLigaturePortionFirstMark;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   421
		}
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   422
	aGss.CombineLastGlyphToBase(baseBounds, firstMark);
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   423
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   424
	return ETrue;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   425
	}
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   426
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   427
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   428
TBool GlyphSelector_Arabic::CharactersJoin(TInt aLeftCharacter, TInt aRightCharacter)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   429
	{
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   430
	// All the characters join to the right, so we don't need to look them up.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   431
	// as long as they are there at all, it is OK.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   432
	TBool leftIsFixedJoiner = aLeftCharacter == 0x640 || aLeftCharacter == 0x200D;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   433
	if (!leftIsFixedJoiner)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   434
		{
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   435
		TInt leftIndex = ArabicShapeTableIndex(aLeftCharacter);
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   436
		if (leftIndex == -1)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   437
			return EFalse;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   438
		if (static_cast<TInt>(TheArabicShapeTable[leftIndex + KFinal])
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   439
			== aLeftCharacter)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   440
			return EFalse;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   441
		}
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   442
	if (aRightCharacter == 0x640 || aRightCharacter == 0x200D)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   443
		return !leftIsFixedJoiner;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   444
	TInt rightIndex = ArabicShapeTableIndex(aRightCharacter);
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   445
	return rightIndex != -1
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   446
		&& static_cast<TInt>(TheArabicShapeTable[rightIndex + KInitial])
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   447
			!= aRightCharacter;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   448
	}
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   449