2 * Copyright (c) 2022 Samsung Electronics Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 #include <dali-toolkit/internal/text/rendering/styles/character-spacing-helper-functions.h>
29 static const Vector<CharacterSpacingGlyphRun> EMPTY_CHARACTER_SPACING_GLYPH_RUNS;
31 float GetGlyphCharacterSpacing(const GlyphIndex& index,
32 const Vector<CharacterSpacingGlyphRun>& characterSpacingGlyphRuns,
33 const float modelCharacterSpacing)
35 float characterSpacing = modelCharacterSpacing;
36 for(Vector<CharacterSpacingGlyphRun>::ConstIterator it = characterSpacingGlyphRuns.Begin(),
37 endIt = characterSpacingGlyphRuns.End();
41 const CharacterSpacingGlyphRun& run = *it;
43 if((run.glyphRun.glyphIndex <= index) && (index < run.glyphRun.glyphIndex + run.glyphRun.numberOfGlyphs))
45 // Retrieve the latest run to handle the nested case.
46 //TODO: Using reverse Iterator will improve performance in this loop
47 characterSpacing = run.value;
51 return characterSpacing;
54 const Vector<CharacterSpacingGlyphRun>& GetEmptyCharacterSpacingGlyphRuns()
56 // This is needed to return a common empty vector for CharacterSpacingGlyphRun
57 return EMPTY_CHARACTER_SPACING_GLYPH_RUNS;
61 } // namespace Toolkit