text/dali/internal/text-abstraction/bidirectional-support-impl.h

   1 #ifndef __DALI_INTERNAL_TEXT_ABSTRACTION_BIDIRECTIONAL_SUPPORT_IMPL_H__
   2 #define __DALI_INTERNAL_TEXT_ABSTRACTION_BIDIRECTIONAL_SUPPORT_IMPL_H__
   3
   4 /*
   5  * Copyright (c) 2015 Samsung Electronics Co., Ltd.
   6  *
   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
  10  *
  11  * http://www.apache.org/licenses/LICENSE-2.0
  12  *
  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.
  18  *
  19  */
  20
  21 // EXTERNAL INCLUDES
  22 #include <dali/public-api/object/base-object.h>
  23
  24 // INTERNAL INCLUDES
  25 #include <dali/public-api/text-abstraction/bidirectional-support.h>
  26
  27 namespace Dali
  28 {
  29
  30 namespace TextAbstraction
  31 {
  32
  33 namespace Internal
  34 {
  35
  36 /**
  37  * Implementation of the BidirectionalSupport
  38  */
  39
  40 class BidirectionalSupport : public Dali::BaseObject
  41 {
  42 public:
  43
  44   /**
  45    * Constructor
  46    */
  47   BidirectionalSupport();
  48
  49   /**
  50    * Destructor
  51    */
  52   ~BidirectionalSupport();
  53
  54   /**
  55    * @copydoc Dali::BidirectionalSupport::Get()
  56    */
  57   static TextAbstraction::BidirectionalSupport Get();
  58
  59   /**
  60    * @copydoc Dali::BidirectionalSupport::CreateInfo()
  61    */
  62   BidiInfoIndex CreateInfo( const Character* const paragraph,
  63                             Length numberOfCharacters );
  64
  65   /**
  66    * @copydoc Dali::BidirectionalSupport::DestroyInfo()
  67    */
  68   void DestroyInfo( BidiInfoIndex bidiInfoIndex );
  69
  70   /**
  71    * @copydoc Dali::BidirectionalSupport::Reorder()
  72    */
  73   void Reorder( BidiInfoIndex bidiInfoIndex,
  74                 CharacterIndex firstCharacterIndex,
  75                 Length numberOfCharacters,
  76                 CharacterIndex* visualToLogicalMap );
  77
  78 private:
  79
  80   // Undefined copy constructor.
  81   BidirectionalSupport( const BidirectionalSupport& );
  82
  83   // Undefined assignment constructor.
  84   BidirectionalSupport& operator=( BidirectionalSupport& );
  85
  86   void* mPlugin; ///< TODO replace this with bidirectional support plugin
  87
  88 }; // class BidirectionalSupport
  89
  90 } // namespace Internal
  91
  92 } // namespace TextAbstraction
  93
  94 inline static TextAbstraction::Internal::BidirectionalSupport& GetImplementation( TextAbstraction::BidirectionalSupport& bidirectionalSupport )
  95 {
  96   DALI_ASSERT_ALWAYS( bidirectionalSupport && "bidirectional support handle is empty" );
  97   BaseObject& handle = bidirectionalSupport.GetBaseObject();
  98   return static_cast<TextAbstraction::Internal::BidirectionalSupport&>(handle);
  99 }
 100
 101 inline static const TextAbstraction::Internal::BidirectionalSupport& GetImplementation( const TextAbstraction::BidirectionalSupport& bidirectionalSupport )
 102 {
 103   DALI_ASSERT_ALWAYS( bidirectionalSupport && "bidirectional support handle is empty" );
 104   const BaseObject& handle = bidirectionalSupport.GetBaseObject();
 105   return static_cast<const TextAbstraction::Internal::BidirectionalSupport&>(handle);
 106 }
 107
 108 } // namespace Dali
 109
 110 #endif // __DALI_INTERNAL_TEXT_ABSTRACTION_BIDIRECTIONAL_SUPPORT_IMPL_H__