1 #ifndef DALI_INTERNAL_TEXT_ABSTRACTION_FONT_CLIENT_IMPL_H
2 #define DALI_INTERNAL_TEXT_ABSTRACTION_FONT_CLIENT_IMPL_H
5 * Copyright (c) 2017 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/object/base-object.h>
25 #include <dali/devel-api/text-abstraction/font-client.h>
33 namespace TextAbstraction
40 * Implementation of the FontClient
42 class FontClient : public BaseObject
57 * @copydoc Dali::TextAbstraction::FontClient::Get()
59 static Dali::TextAbstraction::FontClient Get();
62 * @copydoc Dali::TextAbstraction::FontClient::ClearCache()
67 * @copydoc Dali::TextAbstraction::FontClient::SetDpi()
69 void SetDpi( unsigned int horizontalDpi, unsigned int verticalDpi );
72 * @copydoc Dali::TextAbstraction::FontClient::GetDpi()
74 void GetDpi( unsigned int& horizontalDpi, unsigned int& verticalDpi );
77 * @copydoc Dali::TextAbstraction::FontClient::GetDefaultFontSize()
79 int GetDefaultFontSize();
82 * @copydoc Dali::TextAbstraction::FontClient::ResetSystemDefaults()
84 void ResetSystemDefaults();
87 * @copydoc Dali::TextAbstraction::FontClient::GetDefaultFonts()
89 void GetDefaultFonts( FontList& defaultFonts );
92 * @copydoc Dali::TextAbstraction::FontClient::GetDefaultPlatformFontDescription()
94 void GetDefaultPlatformFontDescription( FontDescription& fontDescription );
97 * @copydoc Dali::TextAbstraction::FontClient::GetSystemFonts()
99 void GetSystemFonts( FontList& systemFonts );
102 * @copydoc Dali::TextAbstraction::FontClient::GetDescription()
104 void GetDescription( FontId id, FontDescription& fontDescription );
107 * @copydoc Dali::TextAbstraction::FontClient::GetPointSize()
109 PointSize26Dot6 GetPointSize( FontId id );
112 * @copydoc Dali::TextAbstraction::FontClient::IsCharacterSupportedByFont()
114 bool IsCharacterSupportedByFont( FontId fontId, Character character );
117 * @copydoc Dali::TextAbstraction::FontClient::FindDefaultFont()
119 FontId FindDefaultFont( Character charcode,
120 PointSize26Dot6 requestedPointSize,
124 * @copydoc Dali::TextAbstraction::FontClient::FindFallbackFont()
126 FontId FindFallbackFont( Character charcode,
127 const FontDescription& preferredFontDescription,
128 PointSize26Dot6 requestedPointSize,
132 * @copydoc Dali::TextAbstraction::FontClient::GetFontId( const FontPath& path, PointSize26Dot6 requestedPointSize, FaceIndex faceIndex )
134 FontId GetFontId( const FontPath& path, PointSize26Dot6 requestedPointSize, FaceIndex faceIndex );
137 * @copydoc Dali::TextAbstraction::FontClient::GetFontId( const FontDescription& fontDescription, PointSize26Dot6 requestedPointSize, FaceIndex faceIndex )
139 FontId GetFontId( const FontDescription& fontDescription,
140 PointSize26Dot6 requestedPointSize,
141 FaceIndex faceIndex );
144 * @copydoc Dali::TextAbstraction::FontClient::IsScalable( const FontPath& path )
146 bool IsScalable( const FontPath& path );
149 * @copydoc Dali::TextAbstraction::FontClient::IsScalable( const FontDescription& fontDescription )
151 bool IsScalable( const FontDescription& fontDescription );
154 * @copydoc Dali::TextAbstraction::FontClient::GetFixedSizes( const FontPath& path, Dali::Vector< PointSize26Dot6>& sizes )
156 void GetFixedSizes( const FontPath& path, Dali::Vector< PointSize26Dot6>& sizes );
159 * @copydoc Dali::TextAbstraction::FontClient::GetFixedSizes()
161 void GetFixedSizes( const FontDescription& fontDescription,
162 Dali::Vector< PointSize26Dot6 >& sizes );
165 * @copydoc Dali::TextAbstraction::FontClient::GetFontMetrics()
167 void GetFontMetrics( FontId fontId, FontMetrics& metrics );
170 * @copydoc Dali::TextAbstraction::FontClient::GetGlyphIndex()
172 GlyphIndex GetGlyphIndex( FontId fontId, Character charcode );
175 * @copydoc Dali::TextAbstraction::FontClient::GetGlyphMetrics()
177 bool GetGlyphMetrics( GlyphInfo* array, uint32_t size, GlyphType type, bool horizontal );
180 * @copydoc Dali::TextAbstraction::FontClient::CreateBitmap( FontId fontId, GlyphIndex glyphIndex, Dali::TextAbstraction::FontClient::GlyphBufferData& data, int outlineWidth )
182 void CreateBitmap( FontId fontId, GlyphIndex glyphIndex, Dali::TextAbstraction::FontClient::GlyphBufferData& data, int outlineWidth );
185 * @copydoc Dali::TextAbstraction::FontClient::CreateBitmap( FontId fontId, GlyphIndex glyphIndex, int outlineWidth )
187 PixelData CreateBitmap( FontId fontId, GlyphIndex glyphIndex, int outlineWidth );
190 * @copydoc Dali::TextAbstraction::FontClient::CreateVectorBlob()
192 void CreateVectorBlob( FontId fontId, GlyphIndex glyphIndex, VectorBlob*& blob, unsigned int& blobLength, unsigned int& nominalWidth, unsigned int& nominalHeight );
195 * @copydoc Dali::TextAbstraction::FontClient::GetEllipsisGlyph()
197 const GlyphInfo& GetEllipsisGlyph( PointSize26Dot6 requestedPointSize );
200 * @copydoc Dali::TextAbstraction::FontClient::IsColorGlyph()
202 bool IsColorGlyph( FontId fontId, GlyphIndex glyphIndex );
205 * @copydoc Dali::TextAbstraction::FontClient::AddCustomFontDirectory()
207 bool AddCustomFontDirectory( const FontPath& path );
210 * @brief Retrieves the pointer to the FreeType Font Face for the given @p fontId.
212 * @param[in] fontId The font id.
214 * @return The pointer to the FreeType Font Face.
216 FT_FaceRec_* GetFreetypeFace( FontId fontId );
221 * Helper for lazy initialization.
225 // Undefined copy constructor.
226 FontClient( const FontClient& );
228 // Undefined assignment constructor.
229 FontClient& operator=( const FontClient& );
236 // Allows DPI to be set without loading plugin
237 unsigned int mDpiHorizontal;
238 unsigned int mDpiVertical;
240 }; // class FontClient
242 } // namespace Internal
244 inline static Internal::FontClient& GetImplementation(FontClient& fontClient)
246 DALI_ASSERT_ALWAYS( fontClient && "fontClient handle is empty" );
247 BaseObject& handle = fontClient.GetBaseObject();
248 return static_cast<Internal::FontClient&>(handle);
251 inline static const Internal::FontClient& GetImplementation(const FontClient& fontClient)
253 DALI_ASSERT_ALWAYS( fontClient && "fontClient handle is empty" );
254 const BaseObject& handle = fontClient.GetBaseObject();
255 return static_cast<const Internal::FontClient&>(handle);
258 } // namespace TextAbstraction
262 #endif // DALI_INTERNAL_TEXT_ABSTRACTION_FONT_CLIENT_IMPL_H