1 #ifndef __DALI_TOOLKIT_TEXT_BIDIRECTIONAL_SUPPORT_H__
2 #define __DALI_TOOLKIT_TEXT_BIDIRECTIONAL_SUPPORT_H__
5 * Copyright (c) 2015 Samsung Electronics Co., Ltd.
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
22 #include <dali/public-api/common/dali-vector.h>
25 #include <dali-toolkit/internal/text/bidirectional-line-info-run.h>
26 #include <dali-toolkit/internal/text/bidirectional-paragraph-info-run.h>
27 #include <dali-toolkit/internal/text/line-run.h>
28 #include <dali-toolkit/internal/text/script-run.h>
43 * Sets the bidirectional info into the logical model.
45 * @param[in] text Vector of UTF-32 characters.
46 * @param[in] scripts Vector containing the script runs for the whole text.
47 * @param[in] lineBreakInfo The line break info.
48 * @param[out] bidirectionalInfo Vector with the bidirectional infor for each paragraph.
50 void SetBidirectionalInfo( const Vector<Character>& text,
51 const Vector<ScriptRun>& scripts,
52 const Vector<LineBreakInfo>& lineBreakInfo,
53 Vector<BidirectionalParagraphInfoRun>& bidirectionalInfo );
56 * Replaces the bidirectional info from the logical model.
58 * @pre The @p model needs to have a text set.
59 * @pre The @p model needs to have the line break info set.
61 * If the @p numberOfCharactersToRemove is zero, this operation is like an insert.
62 * If the @p numberOfCharactersToInsert is zero, this operation is like a remove.
64 * @param[in,out] model The text's logical model.
65 * @param[in] characterIndex Index to the first character.
66 * @param[in] numberOfCharactersToRemove The number of characters removed from the text.
67 * @param[in] numberOfCharactersToInsert The number of characters inserted in the text.
69 void ReplaceBidirectionalInfo( LogicalModel& model,
70 CharacterIndex characterIndex,
71 Length numberOfCharactersToRemove,
72 Length numberOfCharactersToInsert );
75 * Sets the visual to logical and logical to visual map tables.
77 * Any map tables previously set are removed.
79 * @pre The @p logicalModel needs to have a text set.
80 * @pre The @p logicalModel needs to have the bidirectional info indices for each paragraph set.
81 * @pre The @p visualModel needs to have the laid-out lines info set.
83 * @param[in] bidirectionalInfo Vector with the bidirectional infor for each paragraph.
84 * @param[in] lineRuns The line runs converted to characters.
85 * @param[out] lineInfoRuns line runs with the visual to logical and logical to visual conversion maps.
87 void ReorderLines( const Vector<BidirectionalParagraphInfoRun>& bidirectionalInfo,
88 const Vector<LineRun>& lineRuns,
89 Vector<BidirectionalLineInfoRun>& lineInfoRuns );
92 * Replaces the visual to logical and logical to visual map tables.
94 * @pre The @p logicalModel needs to have a text set.
95 * @pre The @p logicalModel needs to have the line break info set.
96 * @pre The @p visualModel needs to have the laid-out lines info set.
98 * If the @p numberOfCharactersToRemove is zero, this operation is like an insert.
99 * If the @p numberOfCharactersToInsert is zero, this operation is like a remove.
101 * @param[in,out] logicalModel The text's logical model.
102 * @param[in] visualModel The text's visual model.
103 * @param[in] characterIndex Index to the first character.
104 * @param[in] numberOfCharactersToRemove The number of characters removed from the text.
105 * @param[in] numberOfCharactersToInsert The number of characters inserted in the text.
107 void ReorderLines( LogicalModel& logicalModel,
108 const VisualModel& visualModel,
109 CharacterIndex characterIndex,
110 Length numberOfCharactersToRemove,
111 Length numberOfCharactersToInsert );
115 } // namespace Toolkit
119 #endif // __DALI_TOOLKIT_TEXT_BIDIRECTIONAL_SUPPORT_H__