dali-toolkit/internal/text/spannable/spans/character-spacing-span-impl.h

   1 #ifndef DALI_TOOLKIT_INTERNAL_TEXT_CHARACTER_SPACING_SPAN_IMPL_H
   2 #define DALI_TOOLKIT_INTERNAL_TEXT_CHARACTER_SPACING_SPAN_IMPL_H
   3
   4 /*
   5  * Copyright (c) 2022 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-toolkit/devel-api/text/spans/character-spacing-span.h>
  23 #include <memory>
  24
  25 // INTERNAL INCLUDES
  26 #include <dali-toolkit/internal/text/logical-model-impl.h>
  27 #include <dali-toolkit/internal/text/spannable/spans/base-span-impl.h>
  28 #include <dali/public-api/math/vector4.h>
  29
  30 namespace Dali
  31 {
  32 namespace Toolkit
  33 {
  34 namespace Text
  35 {
  36 namespace Internal
  37 {
  38 class CharacterSpacingSpan;
  39 using CharacterSpacingSpanPtr = IntrusivePtr<CharacterSpacingSpan>;
  40
  41 /**
  42  * @copydoc Dali::Toolkit::Text::CharacterSpacingSpan
  43  */
  44 class CharacterSpacingSpan : public BaseSpan
  45 {
  46 public:
  47   /**
  48    * @brief Creates a new CharacterSpacingSpan object.
  49    */
  50   static Dali::Toolkit::Text::CharacterSpacingSpan New(const float& value);
  51
  52   /**
  53    * Default Constructor
  54    */
  55   CharacterSpacingSpan();
  56
  57   CharacterSpacingSpan(const CharacterSpacingSpan&) = delete;            ///< Deleted copy constructor
  58   CharacterSpacingSpan(CharacterSpacingSpan&&)      = delete;            ///< Deleted move constructor
  59   CharacterSpacingSpan& operator=(const CharacterSpacingSpan&) = delete; ///< Deleted copy assignment operator
  60   CharacterSpacingSpan& operator=(CharacterSpacingSpan&&) = delete;      ///< Deleted move assignment operator
  61
  62   /**
  63    * @brief Destructor
  64    *
  65    * A reference counted object may only be deleted by calling Unreference()
  66    */
  67   ~CharacterSpacingSpan() override;
  68
  69 public: //Methods
  70   /**
  71    * @copydoc Dali::Toolkit::Text::CharacterSpacingSpan::GetCharacterSpacing()
  72    */
  73   const float GetCharacterSpacing() const;
  74
  75   /**
  76    * @copydoc Dali::Toolkit::Text::CharacterSpacingSpan::IsCharacterSpacingDefined()
  77    */
  78   bool IsCharacterSpacingDefined() const;
  79
  80 public: //Methods. Not intended for application developers
  81   /**
  82    * @brief Set the CharacterSpacing.
  83    *
  84    * @param[in] value The CharacterSpacing.
  85    */
  86   void SetCharacterSpacing(const float& value);
  87
  88 public: //Methods for internal only
  89   /**
  90    * @copydoc Dali::Toolkit::Text::BaseSpan::CreateStyleCharacterRun
  91    */
  92   void CreateStyleCharacterRun(IntrusivePtr<LogicalModel>& logicalModel, const Dali::Toolkit::Text::Range& range) const override;
  93
  94 private:
  95   struct Impl;
  96   std::unique_ptr<Impl> mImpl{nullptr};
  97
  98 }; // class CharacterSpacingSpan
  99
 100 } // namespace Internal
 101
 102 // Helpers for public-api forwarding methods
 103
 104 inline Internal::CharacterSpacingSpan& GetImplementation(Dali::Toolkit::Text::CharacterSpacingSpan& characterSpacingSpan)
 105 {
 106   DALI_ASSERT_ALWAYS(characterSpacingSpan && "CharacterSpacingSpan handle is empty");
 107
 108   BaseObject& object = characterSpacingSpan.GetBaseObject();
 109
 110   return static_cast<Internal::CharacterSpacingSpan&>(object);
 111 }
 112
 113 inline const Internal::CharacterSpacingSpan& GetImplementation(const Dali::Toolkit::Text::CharacterSpacingSpan& CharacterSpacingSpan)
 114 {
 115   DALI_ASSERT_ALWAYS(CharacterSpacingSpan && "CharacterSpacingSpan handle is empty");
 116
 117   const BaseObject& object = CharacterSpacingSpan.GetBaseObject();
 118
 119   return static_cast<const Internal::CharacterSpacingSpan&>(object);
 120 }
 121
 122 } // namespace Text
 123
 124 } // namespace Toolkit
 125
 126 } // namespace Dali
 127
 128 #endif // DALI_TOOLKIT_INTERNAL_TEXT_CHARACTER_SPACING_SPAN_IMPL_H