1 #ifndef DALI_TEST_ABSTRACTION_INTERNAL_FONT_CLIENT_UTILS_H
2 #define DALI_TEST_ABSTRACTION_INTERNAL_FONT_CLIENT_UTILS_H
5 * Copyright (c) 2021 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.
21 #include <dali/devel-api/text-abstraction/font-client.h>
24 #include <fontconfig/fontconfig.h>
27 #include FT_FREETYPE_H
31 #include FT_SYNTHESIS_H
33 namespace Dali::TextAbstraction::Internal
35 void ConvertBitmap(TextAbstraction::FontClient::GlyphBufferData& data,
36 unsigned int srcWidth,
37 unsigned int srcHeight,
38 const unsigned char* const srcBuffer);
40 void ConvertBitmap(TextAbstraction::FontClient::GlyphBufferData& data,
42 bool isShearRequired);
45 * @brief Creates a font family pattern used to match fonts.
47 * @note Need to call FcPatternDestroy to free the resources.
49 * @param[in] fontDescription The font to cache.
51 * @return The pattern.
53 FcPattern* CreateFontFamilyPattern(const FontDescription& fontDescription);
56 * @brief Creates a character set from a given font's @p description.
58 * @note Need to call FcCharSetDestroy to free the resources.
60 * @param[in] description The font's description.
62 * @return A character set.
64 FcCharSet* CreateCharacterSetFromDescription(const FontDescription& description);
66 constexpr int ValueToIndex(int value, const int* const table, unsigned int maxIndex)
70 // Return an invalid index if there is no table.
79 if(value >= table[maxIndex])
84 for(unsigned int index = 0u; index < maxIndex; ++index)
86 const int v1 = table[index];
87 const unsigned int indexPlus = index + 1u;
88 const int v2 = table[indexPlus];
89 if((v1 < value) && (value <= v2))
91 const int result = ((v1 > 0) && ((value - v1) < (v2 - value))) ? index : indexPlus;
99 * @brief Returns the FontWidth's enum index for the given width value.
101 * @param[in] width The width value.
103 * @return The FontWidth's enum index.
105 const FontWidth::Type IntToWidthType(int width);
108 * @brief Returns the FontWeight's enum index for the given weight value.
110 * @param[in] weight The weight value.
112 * @return The FontWeight's enum index.
114 const FontWeight::Type IntToWeightType(int weight);
117 * @brief Returns the FontSlant's enum index for the given slant value.
119 * @param[in] slant The slant value.
121 * @return The FontSlant's enum index.
123 const FontSlant::Type IntToSlantType(int slant);
125 const FontWidth::Type DefaultFontWidth();
126 const FontWeight::Type DefaultFontWeight();
127 const FontSlant::Type DefaultFontSlant();
129 } // namespace Dali::TextAbstraction::Internal
131 #endif // DALI_TEST_ABSTRACTION_INTERNAL_FONT_CLIENT_UTILS_H