author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Wed, 15 Sep 2010 14:10:32 +0300 | |
branch | RCL_3 |
changeset 65 | 795cadd2b83a |
parent 55 | 336bee5c2d35 |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (c) 2006-2009 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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|
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|
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#include "TmLayoutImp.h" |
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#include "InlineText.h" |
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#include "frmUtils.h" |
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inline TBool IsSurrogate(TText a) { return 0xD800 == (a & 0xF800); } |
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inline TBool IsHighSurrogate(TText a) { return 0xD800 == (a & 0xFC00); } |
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inline TBool IsLowSurrogate(TText a) { return 0xDC00 == (a & 0xFC00); } |
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inline TChar JoinSurrogates(TText aHigh, TText aLow) |
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{ |
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return ((aHigh - 0xd7f7) << 10) + aLow; |
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} |
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||
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inline TText16 GetHighSurrogate(TUint aChar) |
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{ |
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return STATIC_CAST(TText16, 0xD7C0 + (aChar >> 10)); |
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} |
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inline TText16 GetLowSurrogate(TUint aChar) |
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{ |
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return STATIC_CAST(TText16, 0xDC00 | (aChar & 0x3FF)); |
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} |
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0
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TTmChunk::TTmChunk(): |
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iDocPos(0), |
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iTextLength(0), |
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iWidth(0), |
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iStandardWidth(0), |
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iAscent(0), |
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iDescent(0), |
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iMaxCharHeight(0), |
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iMaxCharDepth(0), |
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iFontMaxHeight(0), |
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iFontMaxDepth(0), |
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iBaselineOffset(0), |
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iStretch(0), |
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iType(ETextChunk), |
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iForcedChunkEnd(EFalse), |
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iForcedChunkStart(EFalse), |
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iInitialInlineWidth(0), |
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iFinalInlineWidth(0), |
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iOverlappingChars(0), |
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iContextChar(NULL), |
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iContextCharInByteCode(NULL) |
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{ |
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} |
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|
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/* |
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Truncate to paragraph end, forced line break, picture, tab, or |
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change of bidirectional character type. |
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Corrupt surrogate is drawn according to how it maps, see MTmCustom::Map |
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*/ |
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void TTmChunk::TruncateIfNeeded(CTmFormatContext& aContext, TPtrC& aText, TInfo& aInfo) |
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{ |
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const TText* current_character = aText.Ptr(); |
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const TText* last_character = current_character + aText.Length(); |
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iTextLength = aText.Length(); |
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TBool split_at_word_break = |
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aContext.iParFormat.iAlignment == RTmParFormat::EAlignJustify || |
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aContext.iXScale != 1000; |
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TBool first_char = TRUE; |
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TBool start_with_ZWJ = (current_character < last_character) ? |
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(KZeroWidthJoiner == *current_character) : EFalse; |
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while (current_character < last_character) |
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{ |
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// latin shortcut? |
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if (!split_at_word_break) |
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{ |
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if (aInfo.iBdCat == TChar::ELeftToRight) |
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{ |
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TUint ch = (*current_character++) | 0x20; |
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while ('a' <= ch && ch <= 'z' && current_character < last_character) |
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{ |
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ch = (*current_character++) | 0x20; |
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} |
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--current_character; |
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} |
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else if (first_char) |
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98 |
{ |
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TUint ch = (*current_character) | 0x20; |
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if ('a' <= ch && ch <= 'z') |
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101 |
{ |
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first_char = EFalse; |
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aInfo.iBdCat = TChar::ELeftToRight; |
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++current_character; |
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continue; |
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} |
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} |
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} |
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55 | 110 |
if ( IsLowSurrogate( *current_character ) ) |
0
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111 |
{ |
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// skip it |
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RDebug::Print(_L("Error: Should not be low surrogate. Skip corrupt low surrogate %X."), *current_character); |
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current_character++; |
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continue; |
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} |
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117 |
|
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const TText *previous_character = current_character; |
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|
119 |
TUint character_to_process = *current_character++; |
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|
120 |
// If it's surrogate, join the high and low together |
55 | 121 |
if( IsHighSurrogate( character_to_process ) ) |
0
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|
122 |
{ |
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|
123 |
TInt high = character_to_process; |
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|
124 |
if ( current_character < last_character ) |
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|
125 |
{ |
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|
126 |
TInt low = *current_character++; |
55 | 127 |
if ( !IsLowSurrogate( low ) ) |
0
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|
128 |
{ |
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|
129 |
// should be low surrogate |
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|
130 |
// skip the high surrogate |
55 | 131 |
RDebug::Print(_L("Error: Should be low surrogate. Skip corrupt high surrogate %X."), high); |
0
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|
132 |
current_character--; |
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|
133 |
continue; |
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|
134 |
} |
55 | 135 |
character_to_process = JoinSurrogates( high, low ); |
0
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|
136 |
} |
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|
137 |
} |
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|
138 |
|
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|
139 |
TBool quit = FALSE; |
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|
140 |
TBool append_char = TRUE; |
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|
141 |
|
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|
142 |
// Break the chunk before a paragraph end, forced line break or page break, |
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|
143 |
if (character_to_process == CEditableText::EParagraphDelimiter || |
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|
144 |
character_to_process == CEditableText::ELineBreak || |
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|
145 |
character_to_process == CEditableText::EPageBreak) |
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|
146 |
{ |
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|
147 |
quit = TRUE; |
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|
148 |
if (first_char) |
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|
149 |
{ |
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150 |
// Paragraph delimiters, line breaks and page breaks each have |
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|
151 |
// a chunk to themselves |
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|
152 |
if (character_to_process == CEditableText::EParagraphDelimiter) |
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|
153 |
aInfo.iAtParEnd = TRUE; |
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|
154 |
else if (character_to_process == CEditableText::ELineBreak || |
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|
155 |
character_to_process == CEditableText::EPageBreak) |
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|
156 |
{ |
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|
157 |
aInfo.iAtLineEnd = TRUE; |
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|
158 |
} |
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|
159 |
append_char = TRUE; |
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|
160 |
} |
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|
161 |
else |
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|
162 |
{ |
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|
163 |
append_char = FALSE; |
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|
164 |
} |
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|
165 |
} |
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diff
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|
166 |
|
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|
167 |
// Deal with tabs, pictures and soft hyphens |
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|
168 |
else if (character_to_process == CEditableText::ETabCharacter || |
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|
169 |
character_to_process == CEditableText::EPictureCharacter || |
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|
170 |
character_to_process == CEditableText::EPotentialHyphen) |
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diff
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|
171 |
{ |
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|
172 |
if (first_char) // if this is the first character in the chunk, break after the character |
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|
173 |
{ |
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|
174 |
if (character_to_process == CEditableText::ETabCharacter) |
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|
175 |
{ |
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|
176 |
iType = EStandardTabChunk; |
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|
177 |
aInfo.iBdCat = TChar::ESegmentSeparator; |
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|
178 |
} |
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|
179 |
else if (character_to_process == CEditableText::EPictureCharacter) |
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|
180 |
iType = EPictureChunk; |
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|
181 |
else |
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|
182 |
iType = ESoftHyphenChunk; |
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parents:
diff
changeset
|
183 |
} |
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Revision: 201003
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parents:
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|
184 |
else // else break before it |
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Revision: 201003
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parents:
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|
185 |
append_char = FALSE; |
1fb32624e06b
Revision: 201003
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parents:
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|
186 |
quit = TRUE; |
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Revision: 201003
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parents:
diff
changeset
|
187 |
} |
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Revision: 201003
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parents:
diff
changeset
|
188 |
|
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Revision: 201003
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diff
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|
189 |
/* |
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Revision: 201003
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parents:
diff
changeset
|
190 |
Get the bidirectional category, or break the chunk if it has changed, or |
1fb32624e06b
Revision: 201003
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parents:
diff
changeset
|
191 |
if the last one was a European Number Separator or Common Number Separator, because the bidirectional |
1fb32624e06b
Revision: 201003
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parents:
diff
changeset
|
192 |
algorithm needs these to be singletons (single European separators between European numbers change |
1fb32624e06b
Revision: 201003
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parents:
diff
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|
193 |
to European numbers; single common separators between two numbers of the same type change to |
1fb32624e06b
Revision: 201003
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parents:
diff
changeset
|
194 |
that type). |
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Revision: 201003
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diff
changeset
|
195 |
|
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Revision: 201003
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parents:
diff
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|
196 |
If the current category is whitespace surrounded by two identical strong categories, change it to the strong |
1fb32624e06b
Revision: 201003
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diff
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|
197 |
category (and thus don't break). Do the counterpart of this with singleton number separators. |
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Revision: 201003
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parents:
diff
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|
198 |
This is an important optimisation (it speeds reformatting by 15%) that means an ordinary line of English |
1fb32624e06b
Revision: 201003
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parents:
diff
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|
199 |
containing N words in the same font and style is a single chunk, not N * 2 chunks. |
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parents:
diff
changeset
|
200 |
|
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Revision: 201003
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parents:
diff
changeset
|
201 |
Change non-spacing marks to the type of the previous category unless the previous category is |
1fb32624e06b
Revision: 201003
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parents:
diff
changeset
|
202 |
a bidirectional control character. |
1fb32624e06b
Revision: 201003
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parents:
diff
changeset
|
203 |
*/ |
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Revision: 201003
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parents:
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|
204 |
if (!quit) |
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|
205 |
{ |
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Revision: 201003
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changeset
|
206 |
TChar::TBdCategory bd_cat = BdCategory(character_to_process); |
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Revision: 201003
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parents:
diff
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|
207 |
if (first_char) |
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|
208 |
aInfo.iBdCat = bd_cat; |
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|
209 |
else if (bd_cat == TChar::ENonSpacingMark && |
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Revision: 201003
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|
210 |
aInfo.iBdCat != TChar::ELeftToRightEmbedding && |
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Revision: 201003
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diff
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|
211 |
aInfo.iBdCat != TChar::ELeftToRightOverride && |
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Revision: 201003
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parents:
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|
212 |
aInfo.iBdCat != TChar::ERightToLeftEmbedding && |
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Revision: 201003
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parents:
diff
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|
213 |
aInfo.iBdCat != TChar::ERightToLeftOverride && |
1fb32624e06b
Revision: 201003
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parents:
diff
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|
214 |
aInfo.iBdCat != TChar::EPopDirectionalFormat) |
1fb32624e06b
Revision: 201003
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parents:
diff
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|
215 |
bd_cat = aInfo.iBdCat; |
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parents:
diff
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|
216 |
else |
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diff
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|
217 |
{ |
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Revision: 201003
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diff
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|
218 |
TUint next_character_to_process = *current_character; |
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Revision: 201003
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parents:
diff
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|
219 |
// If the next character is surrogate |
55 | 220 |
if( IsHighSurrogate( next_character_to_process ) ) |
0
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diff
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|
221 |
{ |
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Revision: 201003
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parents:
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|
222 |
TInt high = next_character_to_process; |
1fb32624e06b
Revision: 201003
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parents:
diff
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|
223 |
if ( current_character < last_character ) |
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Revision: 201003
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diff
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|
224 |
{ |
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Revision: 201003
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parents:
diff
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|
225 |
TInt low = *(++current_character); |
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Revision: 201003
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parents:
diff
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|
226 |
|
55 | 227 |
if ( !IsLowSurrogate( low ) ) |
0
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|
228 |
{ |
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|
229 |
// should be low surrogate |
55 | 230 |
RDebug::Print(_L("Error: Should be low surrogate. See TmChunk.cpp, TruncateIfNeeded().")); |
0
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|
231 |
// The category of the character is determined by what it's mapped |
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next_character_to_process = aContext.iSource.Map( high ); |
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233 |
} |
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|
234 |
else |
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|
235 |
{ |
55 | 236 |
next_character_to_process = JoinSurrogates( high, low ); |
0
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|
237 |
} |
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|
238 |
--current_character; |
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|
239 |
} |
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|
240 |
} |
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|
241 |
TChar::TBdCategory next_cat = BdCategory(next_character_to_process); |
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|
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if (current_character < last_character && bd_cat != aInfo.iBdCat && |
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|
243 |
(bd_cat == TChar::EWhitespace || |
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bd_cat == TChar::EEuropeanNumberSeparator || |
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|
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bd_cat == TChar::ECommonNumberSeparator || |
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|
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bd_cat == TChar::EBoundaryNeutral)) |
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{ |
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|
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if (next_cat == TChar::ENonSpacingMark) |
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|
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next_cat = aInfo.iBdCat; |
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|
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if (bd_cat == TChar::EWhitespace) |
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|
251 |
{ |
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|
252 |
if (aInfo.iBdCat == TChar::ELeftToRight && next_cat == TChar::ELeftToRight) |
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bd_cat = TChar::ELeftToRight; |
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else if (aInfo.iBdCat == TChar::ERightToLeft && next_cat == TChar::ERightToLeft) |
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bd_cat = TChar::ERightToLeft; |
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|
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else if (aInfo.iBdCat == TChar::ERightToLeftArabic && next_cat == TChar::ERightToLeftArabic) |
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|
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bd_cat = TChar::ERightToLeftArabic; |
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|
258 |
} |
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|
259 |
else if (aInfo.iBdCat == TChar::EEuropeanNumber && next_cat == TChar::EEuropeanNumber) |
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|
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bd_cat = TChar::EEuropeanNumber; |
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|
261 |
} |
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|
262 |
if (bd_cat != aInfo.iBdCat || |
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|
263 |
aInfo.iBdCat == TChar::EEuropeanNumberSeparator || |
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parents:
diff
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|
264 |
aInfo.iBdCat == TChar::ECommonNumberSeparator) |
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diff
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|
265 |
{ |
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Revision: 201003
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|
266 |
if (start_with_ZWJ) |
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|
267 |
{ |
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|
268 |
start_with_ZWJ = FALSE; |
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|
269 |
//Set the bidirectionality to that of the character following the ZWJ |
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|
270 |
aInfo.iBdCat = bd_cat; |
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Revision: 201003
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|
271 |
} |
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|
272 |
else |
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|
273 |
{ |
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Revision: 201003
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parents:
diff
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|
274 |
if (KZeroWidthJoiner == character_to_process) |
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Revision: 201003
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|
275 |
{ |
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Revision: 201003
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|
276 |
//If the bidirectionality of the character following |
1fb32624e06b
Revision: 201003
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|
277 |
//the ZWJ is different, then split after the ZWJ |
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Revision: 201003
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|
278 |
//and set the iOverlappingChars flag |
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Revision: 201003
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|
279 |
if (next_cat != aInfo.iBdCat) |
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Revision: 201003
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|
280 |
{ |
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Revision: 201003
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|
281 |
append_char = TRUE; |
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Revision: 201003
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|
282 |
quit = TRUE; |
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Revision: 201003
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parents:
diff
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|
283 |
if(next_cat == TChar::ELeftToRight || |
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Revision: 201003
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parents:
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|
284 |
next_cat == TChar::ERightToLeft || |
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Revision: 201003
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parents:
diff
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|
285 |
next_cat == TChar::ERightToLeftArabic) |
1fb32624e06b
Revision: 201003
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parents:
diff
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|
286 |
{ |
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Revision: 201003
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parents:
diff
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|
287 |
iOverlappingChars = 1; |
1fb32624e06b
Revision: 201003
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parents:
diff
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|
288 |
} |
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Revision: 201003
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parents:
diff
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|
289 |
} |
1fb32624e06b
Revision: 201003
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parents:
diff
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|
290 |
} |
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Revision: 201003
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parents:
diff
changeset
|
291 |
else |
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Revision: 201003
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parents:
diff
changeset
|
292 |
{ |
1fb32624e06b
Revision: 201003
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parents:
diff
changeset
|
293 |
append_char = FALSE; |
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Revision: 201003
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parents:
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|
294 |
quit = TRUE; |
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Revision: 201003
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diff
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|
295 |
} |
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Revision: 201003
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parents:
diff
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|
296 |
} |
1fb32624e06b
Revision: 201003
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parents:
diff
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|
297 |
} |
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Revision: 201003
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parents:
diff
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|
298 |
} |
1fb32624e06b
Revision: 201003
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parents:
diff
changeset
|
299 |
} |
1fb32624e06b
Revision: 201003
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parents:
diff
changeset
|
300 |
|
1fb32624e06b
Revision: 201003
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parents:
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|
301 |
/* |
1fb32624e06b
Revision: 201003
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parents:
diff
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|
302 |
If fully justifying or letterspacing for wysiwyg, make characters that can have space inserted after |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
303 |
them separate chunks. This also makes it easy to extend underlining or strikethrough to the full |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
304 |
width of a stretched character. |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
305 |
*/ |
1fb32624e06b
Revision: 201003
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parents:
diff
changeset
|
306 |
if (split_at_word_break) |
1fb32624e06b
Revision: 201003
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parents:
diff
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|
307 |
{ |
1fb32624e06b
Revision: 201003
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parents:
diff
changeset
|
308 |
int stretch = aContext.iSource.Stretch(character_to_process); |
1fb32624e06b
Revision: 201003
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parents:
diff
changeset
|
309 |
if (first_char) |
1fb32624e06b
Revision: 201003
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parents:
diff
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|
310 |
iStretch = stretch; |
1fb32624e06b
Revision: 201003
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parents:
diff
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|
311 |
else if (iStretch || stretch) |
1fb32624e06b
Revision: 201003
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parents:
diff
changeset
|
312 |
{ |
1fb32624e06b
Revision: 201003
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parents:
diff
changeset
|
313 |
quit = TRUE; |
1fb32624e06b
Revision: 201003
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parents:
diff
changeset
|
314 |
append_char = FALSE; |
1fb32624e06b
Revision: 201003
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parents:
diff
changeset
|
315 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
316 |
} |
1fb32624e06b
Revision: 201003
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parents:
diff
changeset
|
317 |
|
1fb32624e06b
Revision: 201003
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parents:
diff
changeset
|
318 |
first_char = FALSE; |
1fb32624e06b
Revision: 201003
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parents:
diff
changeset
|
319 |
if (quit) |
1fb32624e06b
Revision: 201003
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parents:
diff
changeset
|
320 |
{ |
1fb32624e06b
Revision: 201003
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parents:
diff
changeset
|
321 |
if (append_char) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
322 |
iTextLength = current_character - aText.Ptr(); |
1fb32624e06b
Revision: 201003
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parents:
diff
changeset
|
323 |
else |
1fb32624e06b
Revision: 201003
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parents:
diff
changeset
|
324 |
iTextLength = previous_character - aText.Ptr(); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
325 |
break; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
326 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
327 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
328 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
329 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
330 |
/* |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
331 |
Set up a newly-constructed chunk of text starting at aStartChar, with its left edge at aStartXPos (this information is |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
332 |
needed to determine tab sizes), truncated if necessary to prevent it exceeding aMaxChar and aMaxXPos. |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
333 |
*/ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
334 |
void TTmChunk::SetL(CTmFormatContext& aContext, TInt aStartChar, |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
335 |
TInt aStartXPos, TInt aMaxChar, TInt aMaxXPos, |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
336 |
TBool aAllowSpaceForFinalInlineText, TInfo& aInfo) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
337 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
338 |
iDocPos = aStartChar; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
339 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
340 |
aInfo.iAtLineEnd = EFalse; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
341 |
aInfo.iAtParEnd = EFalse; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
342 |
aInfo.iTruncated = EFalse; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
343 |
aInfo.iBdCat = TChar::EOtherNeutral; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
344 |
aInfo.iEllipsisWidth = 0; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
345 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
346 |
iForcedChunkEnd = EFalse; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
347 |
iForcedChunkStart = EFalse; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
348 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
349 |
MGraphicsDeviceMap& device = aContext.Device(); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
350 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
351 |
aMaxChar = Min(aMaxChar, aStartChar + KMaxTextChunkSize); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
352 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
353 |
// Get text, format and font. |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
354 |
TPtrC text; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
355 |
CTmTextFontCache* font = NULL; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
356 |
User::LeaveIfError(aContext.iTextCache.GetTextL(aStartChar, aMaxChar, text, &iFormat, &font)); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
357 |
CleanupClosePushL(*font); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
358 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
359 |
// Set the font ascent, descent, and maximum character height and depth. |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
360 |
iAscent = font->Font().AscentInPixels(); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
361 |
iDescent = font->Font().DescentInPixels(); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
362 |
// Retrieve the baseline offset for the font used for this chunk of text. |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
363 |
// To be used later in window redrawing when the chunks are scanned |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
364 |
// to determine the overall height of the line that is to be drawn. |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
365 |
// E.g. 16pt Swiss Superscript is -5, Subscript is +2, Normal is 0. |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
366 |
iBaselineOffset = font->Font().BaselineOffsetInPixels(); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
367 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
368 |
GetMaxHeightAndDepth(&font->Font(), iFontMaxHeight, iFontMaxDepth ); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
369 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
370 |
// Check for inline text insertion and shorten aMaxChar if required |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
371 |
MTmInlineTextSource* inlineTextApi = (MTmInlineTextSource*)aContext.iSource.GetExtendedInterface(KInlineTextApiExtensionUid); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
372 |
TBool inlineTextFound = EFalse; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
373 |
TInt inlineTextPos = 0; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
374 |
TTmDocPos nextDocPos; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
375 |
if (inlineTextApi != NULL) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
376 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
377 |
TTmDocPos startDocPos(aStartChar, ETrue); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
378 |
TInt maxLength = aMaxChar - aStartChar; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
379 |
TInt err = inlineTextApi->GetNextInlineTextPosition(startDocPos, maxLength, nextDocPos); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
380 |
if (err == KErrNone) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
381 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
382 |
if (nextDocPos.iPos == aStartChar) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
383 |
{ // first check for leading inline text |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
384 |
if (nextDocPos.iLeadingEdge) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
385 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
386 |
// we found leading text |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
387 |
iInitialInlineWidth = font->Font().MeasureText(inlineTextApi->GetInlineText(nextDocPos)); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
388 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
389 |
else |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
390 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
391 |
// We should never get trailing edge text at the start position returned here |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
392 |
// If we do then the GetNextInlineTextPosition implementation is wrong |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
393 |
TmPanic(EBadReturnValue); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
394 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
395 |
// Now, is there any more inline text to look out for |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
396 |
startDocPos.iPos += 1; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
397 |
startDocPos.iLeadingEdge = EFalse; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
398 |
maxLength -= 1; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
399 |
err = inlineTextApi->GetNextInlineTextPosition(startDocPos, maxLength, nextDocPos); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
400 |
// if there isn't any more err will be set to KErrNotFound |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
401 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
402 |
// else we have already found a position greater than the start |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
403 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
404 |
if ((err == KErrNone) && ((aMaxChar > nextDocPos.iPos) || ((aMaxChar == nextDocPos.iPos) && !nextDocPos.iLeadingEdge))) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
405 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
406 |
inlineTextPos = nextDocPos.iPos; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
407 |
inlineTextFound = ETrue; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
408 |
if (aMaxChar > inlineTextPos) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
409 |
{ // shorten aMaxChar |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
410 |
aMaxChar = inlineTextPos; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
411 |
TPtrC oldText = text; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
412 |
text.Set(oldText.Left(aMaxChar - aStartChar) ); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
413 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
414 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
415 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
416 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
417 |
TruncateIfNeeded(aContext, text, aInfo); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
418 |
if (inlineTextFound && ((aStartChar + iTextLength < inlineTextPos) || nextDocPos.iLeadingEdge)) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
419 |
{ // It's been truncated so no final inline text |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
420 |
iFinalInlineWidth = 0; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
421 |
inlineTextPos = 0; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
422 |
inlineTextFound = EFalse; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
423 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
424 |
if (iTextLength == 0) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
425 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
426 |
iInitialInlineWidth = 0; // Just in case it had been set |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
427 |
CleanupStack::PopAndDestroy(font); // Cleanup |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
428 |
return; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
429 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
430 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
431 |
if (inlineTextFound && (iDocPos + iTextLength > inlineTextPos)) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
432 |
iTextLength = inlineTextPos - iDocPos; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
433 |
if (inlineTextFound && (aMaxChar == inlineTextPos) && !nextDocPos.iLeadingEdge) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
434 |
iFinalInlineWidth = font->Font().MeasureText(inlineTextApi->GetInlineText(nextDocPos)); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
435 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
436 |
// Truncate to the measure and get the metrics. |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
437 |
int measure = aMaxXPos - aStartXPos; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
438 |
if (aAllowSpaceForFinalInlineText && aContext.iParam.IsTruncatingWithEllipsis() && aContext.iParam.iEllipsis != 0xFFFF) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
439 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
440 |
aInfo.iEllipsisWidth = font->Font().CharWidthInPixels(aContext.iParam.iEllipsis); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
441 |
measure -= aInfo.iEllipsisWidth; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
442 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
443 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
444 |
if (iType == EPictureChunk) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
445 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
446 |
TSize size; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
447 |
if (aContext.iSource.GetPictureSizeInTwipsL(aStartChar,size) == KErrNone) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
448 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
449 |
iWidth = iStandardWidth = device.HorizontalTwipsToPixels(size.iWidth); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
450 |
iMaxCharHeight = device.VerticalTwipsToPixels(size.iHeight); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
451 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
452 |
if (iWidth > measure) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
453 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
454 |
iTextLength = 0; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
455 |
iWidth = 0; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
456 |
aInfo.iAtParEnd = FALSE; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
457 |
aInfo.iTruncated = TRUE; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
458 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
459 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
460 |
else if (iType == EStandardTabChunk) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
461 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
462 |
int tabs = aContext.iParFormat.Tabs(); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
463 |
int pos = 0; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
464 |
TBool found = FALSE; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
465 |
for (int i = 0; i < tabs && !found; i++) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
466 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
467 |
TTmTab tab = aContext.iParFormat.Tab(i); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
468 |
int cur_pos = device.HorizontalTwipsToPixels(tab.iPosition); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
469 |
if (cur_pos > aStartXPos) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
470 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
471 |
found = TRUE; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
472 |
pos = cur_pos; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
473 |
if (tab.iType == TTmTab::ECenterTab) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
474 |
iType = ECenterTabChunk; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
475 |
else if (tab.iType == TTmTab::EReverseTab) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
476 |
iType = EReverseTabChunk; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
477 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
478 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
479 |
if (!found) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
480 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
481 |
int t = device.HorizontalTwipsToPixels(aContext.iParFormat.iTabSize); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
482 |
if (t > 0) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
483 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
484 |
found = TRUE; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
485 |
int tab_size = t - aStartXPos % t; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
486 |
pos = aStartXPos + tab_size; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
487 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
488 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
489 |
if (found) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
490 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
491 |
iWidth = iStandardWidth = pos - aStartXPos; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
492 |
if (iWidth > measure) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
493 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
494 |
//If the tab character cannot fit in the remaining space in this line |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
495 |
//set the text length to 0 and set the truncated flag to indicate that |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
496 |
//the chunk has been truncated |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
497 |
iTextLength = 0; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
498 |
iWidth = 0; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
499 |
aInfo.iAtParEnd = FALSE; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
500 |
aInfo.iTruncated = TRUE; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
501 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
502 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
503 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
504 |
else |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
505 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
506 |
CFbsFont::TMeasureTextOutput text_metrics; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
507 |
TBool right_to_left = aInfo.iBdCat == TChar::ERightToLeft || aInfo.iBdCat == TChar::ERightToLeftArabic; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
508 |
TUint orig_context_for_punc = iContextChar; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
509 |
// Set the context in the text cache so that it can be used in the RTmTextCache::AdvanceWidthL() function. |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
510 |
aContext.iTextCache.SetContextChar(orig_context_for_punc); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
511 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
512 |
// First off, check if the whole thing will fit |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
513 |
TInt width = aContext.iTextCache.AdvanceWidthL(aStartChar, |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
514 |
aStartChar + iTextLength, right_to_left, |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
515 |
measure - (iInitialInlineWidth + iFinalInlineWidth), &text_metrics); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
516 |
// Check WidthL (probably MeasureText inside it) doesn't come back |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
517 |
// with a value larger than the max we specified - shouldn't happen |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
518 |
__ASSERT_DEBUG(text_metrics.iChars <= iTextLength, TmPanic(EInvariant)); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
519 |
if (text_metrics.iChars < iTextLength) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
520 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
521 |
// It won't all fit so find out where to chop it |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
522 |
// reduce the measure by the width of any initial inline text |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
523 |
// but not by the width of any final inline text - we already know it won't fit |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
524 |
// and if we don't include the last character then the |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
525 |
// final inline text won't be there either |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
526 |
iFinalInlineWidth = 0; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
527 |
inlineTextPos = 0; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
528 |
inlineTextFound = EFalse; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
529 |
aContext.iTextCache.SetContextChar(orig_context_for_punc); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
530 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
531 |
width = aContext.iTextCache.AdvanceWidthL(aStartChar, |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
532 |
aStartChar + iTextLength, right_to_left, |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
533 |
measure - iInitialInlineWidth, &text_metrics); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
534 |
if (!(text_metrics.iChars < iTextLength) && ((aStartChar + iTextLength) > 1)) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
535 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
536 |
// Problem - It didn't chop any characters off the end but we know that |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
537 |
// it didn't fit with all the original text plus any initial and final |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
538 |
// inline text. Since any initial inline text plus all the chars fitted, |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
539 |
// the only reason it didn't pass before is that there must be some final |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
540 |
// inline text that won't fit so we need to forcibly chop off the last |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
541 |
// char (and therefore the inline text) and then pass it through WidthL |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
542 |
// again because that will detect if that character was part of the end |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
543 |
// of a glyph cluster and truncate the rest of the cluster. |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
544 |
aContext.iTextCache.SetContextChar(orig_context_for_punc); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
545 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
546 |
width = aContext.iTextCache.AdvanceWidthL(aStartChar, |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
547 |
aStartChar + iTextLength - 1, right_to_left, |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
548 |
measure - iInitialInlineWidth, &text_metrics, 1); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
549 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
550 |
if (text_metrics.iChars == 0) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
551 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
552 |
// None of the text fitted, so any initial inline text won't fit either (on this line) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
553 |
iInitialInlineWidth = 0; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
554 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
555 |
// It has chopped of at least the last char (and any final inline text) so all is OK |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
556 |
iTextLength = text_metrics.iChars; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
557 |
aInfo.iAtParEnd = FALSE; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
558 |
aInfo.iAtLineEnd = FALSE; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
559 |
aInfo.iTruncated = TRUE; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
560 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
561 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
562 |
// Add side-bearings to width |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
563 |
// [Note: do not change this line's < to <= even if it "fixes" some |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
564 |
// problem! This is not a fix- it merely cripples chunk amalgamation. |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
565 |
// If you do this, you may prevent text shaping and measurement |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
566 |
// functions from receiving combinations of characters that they can't |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
567 |
// cope with- this is their problem, not Form's!] |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
568 |
if (width < text_metrics.iBounds.iBr.iX) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
569 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
570 |
// Right side-bearing exists |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
571 |
width = text_metrics.iBounds.iBr.iX; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
572 |
// Don't want to combine with the next chunk |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
573 |
// or this side-bearing will be lost and the |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
574 |
// measurements will be wrong |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
575 |
iForcedChunkEnd = ETrue; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
576 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
577 |
if (text_metrics.iBounds.iTl.iX < 0) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
578 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
579 |
// Left side-bearing exists |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
580 |
width -= text_metrics.iBounds.iTl.iX; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
581 |
// Don't want to combine with the previous |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
582 |
// chunk or the side-bearing will be lost and |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
583 |
// the measurements will be wrong |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
584 |
iForcedChunkStart = ETrue; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
585 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
586 |
// Record total width |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
587 |
iWidth = iStandardWidth = width + iInitialInlineWidth + iFinalInlineWidth; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
588 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
589 |
iMaxCharHeight = -text_metrics.iBounds.iTl.iY; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
590 |
iMaxCharDepth = text_metrics.iBounds.iBr.iY; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
591 |
// iContextCharInByteCode is used to draw THIS chunk within this context |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
592 |
// iContextChar is only used to pass on the context to the next chunk. |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
593 |
iContextChar = aContext.iTextCache.GetContextChar(); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
594 |
iContextCharInByteCode = aContext.iTextCache.GetContextForByteCode(); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
595 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
596 |
if (iDocPos + iTextLength == aContext.iDocumentLength + 1) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
597 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
598 |
aInfo.iAtParEnd = ETrue; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
599 |
iForcedChunkEnd = ETrue; // because there isn't any more text |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
600 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
601 |
if (inlineTextFound && (iDocPos + iTextLength == inlineTextPos)) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
602 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
603 |
iForcedChunkEnd = ETrue; // because the next position contains inline text |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
604 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
605 |
CleanupStack::PopAndDestroy(font); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
606 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
607 |