Add LocaleChangedSignal

[platform/core/uifw/dali-adaptor.git] / dali / internal / text / text-abstraction / font-client-impl.h

diff --git a/dali/internal/text/text-abstraction/font-client-impl.h b/dali/internal/text/text-abstraction/font-client-impl.h
index d93a053..ff86fd9 100644 (file)
--- a/dali/internal/text/text-abstraction/font-client-impl.h
+++ b/dali/internal/text/text-abstraction/font-client-impl.h
@@ -2,7 +2,7 @@
 #define DALI_INTERNAL_TEXT_ABSTRACTION_FONT_CLIENT_IMPL_H
 
 /*
- * Copyright (c) 2022 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2023 Samsung Electronics Co., Ltd.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -64,11 +64,45 @@ public: // API for Dali::TextAbstraction::FontClient used.
   static Dali::TextAbstraction::FontClient PreInitialize();
 
   /**
+   * @brief This is used to pre-cache FontConfig in order to improve the runtime performance of the application.
+   *
+   * @see Dali::TextAbstraction::FontClientPreCache(const FontFamilyList& fallbackFamilyList, const FontFamilyList& extraFamilyList, const FontFamily& localeFamily, bool useThread, bool syncCreation);
+   */
+  static void PreCache(const FontFamilyList& fallbackFamilyList, const FontFamilyList& extraFamilyList, const FontFamily& localeFamily, bool useThread, bool syncCreation);
+
+  /**
+   * @brief This is used to creates a global font client and pre-caches the FontConfig.
+   */
+  static void PreCacheRun(const FontFamilyList& fallbackFamilyList, const FontFamilyList& extraFamilyList, const FontFamily& localeFamily, bool syncCreation);
+
+  /**
+   * @brief This is used to pre-load FreeType font face in order to improve the runtime performance of the application.
+   *
+   * @see Dali::TextAbstraction:FontClientFontPreLoad(const FontPathList& fontPathList, const FontPathList& memoryFontPathList, bool useThread, bool syncCreation);
+   */
+  static void PreLoad(const FontPathList& fontPathList, const FontPathList& memoryFontPathList, bool useThread, bool syncCreation);
+
+  /**
+   * @brief This is used to creates a global font client and pre-loads the FreeType font face.
+   */
+  static void PreLoadRun(const FontPathList& fontPathList, const FontPathList& memoryFontPathList, bool syncCreation);
+
+  /**
+   * @brief Joins font threads, waiting for their execution to complete.
+   */
+  static void JoinFontThreads();
+
+  /**
    * @copydoc Dali::TextAbstraction::FontClient::ClearCache()
    */
   void ClearCache();
 
   /**
+   * @copydoc Dali::TextAbstraction::FontClient::ClearCacheOnLocaleChanged()
+   */
+  void ClearCacheOnLocaleChanged();
+
+  /**
    * @copydoc Dali::TextAbstraction::FontClient::SetDpi()
    */
   void SetDpi(unsigned int horizontalDpi, unsigned int verticalDpi);
@@ -94,6 +128,11 @@ public: // API for Dali::TextAbstraction::FontClient used.
   void GetDefaultFonts(FontList& defaultFonts);
 
   /**
+   * @copydoc Dali::TextAbstraction::FontClient::InitDefaultFontDescription()
+   */
+  void InitDefaultFontDescription();
+
+  /**
    * @copydoc Dali::TextAbstraction::FontClient::GetDefaultPlatformFontDescription()
    */
   void GetDefaultPlatformFontDescription(FontDescription& fontDescription);
@@ -197,9 +236,9 @@ public: // API for Dali::TextAbstraction::FontClient used.
   bool GetGlyphMetrics(GlyphInfo* array, uint32_t size, GlyphType type, bool horizontal);
 
   /**
-   * @copydoc Dali::TextAbstraction::FontClient::CreateBitmap( FontId fontId, GlyphIndex glyphIndex, bool isItalicRequired, bool isBoldRequired, Dali::TextAbstraction::FontClient::GlyphBufferData& data, int outlineWidth )
+   * @copydoc Dali::TextAbstraction::FontClient::CreateBitmap( FontId fontId, GlyphIndex glyphIndex, bool isItalicRequired, bool isBoldRequired, Dali::TextAbstraction::GlyphBufferData& data, int outlineWidth )
    */
-  void CreateBitmap(FontId fontId, GlyphIndex glyphIndex, bool isItalicRequired, bool isBoldRequired, Dali::TextAbstraction::FontClient::GlyphBufferData& data, int outlineWidth);
+  void CreateBitmap(FontId fontId, GlyphIndex glyphIndex, bool isItalicRequired, bool isBoldRequired, Dali::TextAbstraction::GlyphBufferData& data, int outlineWidth);
 
   /**
    * @copydoc Dali::TextAbstraction::FontClient::CreateBitmap( FontId fontId, GlyphIndex glyphIndex, int outlineWidth )
@@ -293,6 +332,25 @@ public: // API for Dali::TextAbstraction::Internal::FontClient used.
    */
   HarfBuzzFontHandle GetHarfBuzzFont(FontId fontId);
 
+  /**
+   * @brief This is used to pre-cache fonts in order to improve the runtime performance of the application.
+   *
+   * @param[in] fallbackFamilyList A list of fallback font families to be pre-cached.
+   * @param[in] extraFamilyList A list of additional font families to be pre-cached.
+   * @param[in] localeFamily A locale font family to be pre-cached.
+   */
+  void FontPreCache(const FontFamilyList& fallbackFamilyList, const FontFamilyList& extraFamilyList, const FontFamily& localeFamily);
+
+  /**
+   * @brief This is used to pre-load FreeType font face in order to improve the runtime performance of the application.
+   *
+   * @param[in] fontPathList A list of font paths to be pre-loaded.
+   * @param[in] memoryFontPathList A list of memory font paths to be pre-loaded.
+   * @param[in] useThread True if the font client should create thread and perform font pre-loading, false otherwise.
+   */
+  void FontPreLoad(const FontPathList& fontPathList, const FontPathList& memoryFontPathList);
+
+
 private:
   /**
    * Helper for lazy initialization.
@@ -313,7 +371,7 @@ private:
   unsigned int mDpiHorizontal;
   unsigned int mDpiVertical;
 
-  static Dali::TextAbstraction::FontClient gPreInitializedFontClient;
+  static Dali::TextAbstraction::FontClient gPreCreatedFontClient;
 
 }; // class FontClient