dali-toolkit/internal/text/rendering/atlas/atlas-glyph-manager.cpp

   1 /*
   2  * Copyright (c) 2021 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  *
  16  */
  17
  18 // CLASS HEADER
  19 #include <dali-toolkit/internal/text/rendering/atlas/atlas-glyph-manager.h>
  20
  21 // EXTERNAL INCLUDES
  22 #include <dali/devel-api/common/singleton-service.h>
  23
  24 // INTERNAL INCLUDES
  25 #include <dali-toolkit/internal/text/rendering/atlas/atlas-glyph-manager-impl.h>
  26
  27 namespace Dali
  28 {
  29 namespace Toolkit
  30 {
  31 AtlasGlyphManager::AtlasGlyphManager()
  32 {
  33 }
  34
  35 AtlasGlyphManager::~AtlasGlyphManager()
  36 {
  37 }
  38
  39 AtlasGlyphManager AtlasGlyphManager::Get()
  40 {
  41   AtlasGlyphManager manager;
  42
  43   // Check whether the AtlasGlyphManager is already created
  44   SingletonService singletonService(SingletonService::Get());
  45   if(singletonService)
  46   {
  47     Dali::BaseHandle handle = singletonService.GetSingleton(typeid(AtlasGlyphManager));
  48     if(handle)
  49     {
  50       // If so, downcast the handle of singleton to AtlasGlyphManager
  51       manager = AtlasGlyphManager(dynamic_cast<Internal::AtlasGlyphManager*>(handle.GetObjectPtr()));
  52     }
  53
  54     if(!manager)
  55     {
  56       // If not, create the AtlasGlyphManager and register it as a singleton
  57       manager = AtlasGlyphManager(new Internal::AtlasGlyphManager());
  58       singletonService.Register(typeid(manager), manager);
  59     }
  60   }
  61   return manager;
  62 }
  63
  64 AtlasGlyphManager::AtlasGlyphManager(Internal::AtlasGlyphManager* impl)
  65 : BaseHandle(impl)
  66 {
  67 }
  68
  69 void AtlasGlyphManager::Add(const Text::GlyphInfo&   glyph,
  70                             const GlyphStyle&        style,
  71                             const PixelData&         bitmap,
  72                             AtlasManager::AtlasSlot& slot)
  73 {
  74   GetImplementation(*this).Add(glyph, style, bitmap, slot);
  75 }
  76
  77 void AtlasGlyphManager::GenerateMeshData(uint32_t                       imageId,
  78                                          const Vector2&                 position,
  79                                          Toolkit::AtlasManager::Mesh2D& mesh)
  80 {
  81   GetImplementation(*this).GenerateMeshData(imageId,
  82                                             position,
  83                                             mesh);
  84 }
  85
  86 bool AtlasGlyphManager::IsCached(Text::FontId             fontId,
  87                                  Text::GlyphIndex         index,
  88                                  const GlyphStyle&        style,
  89                                  AtlasManager::AtlasSlot& slot)
  90 {
  91   return GetImplementation(*this).IsCached(fontId, index, style, slot);
  92 }
  93
  94 void AtlasGlyphManager::SetNewAtlasSize(uint32_t width, uint32_t height, uint32_t blockWidth, uint32_t blockHeight)
  95 {
  96   GetImplementation(*this).SetNewAtlasSize(width, height, blockWidth, blockHeight);
  97 }
  98
  99 Vector2 AtlasGlyphManager::GetAtlasSize(uint32_t atlasId)
 100 {
 101   return GetImplementation(*this).GetAtlasSize(atlasId);
 102 }
 103
 104 Pixel::Format AtlasGlyphManager::GetPixelFormat(uint32_t atlasId)
 105 {
 106   return GetImplementation(*this).GetPixelFormat(atlasId);
 107 }
 108
 109 TextureSet AtlasGlyphManager::GetTextures(uint32_t atlasId) const
 110 {
 111   return GetImplementation(*this).GetTextures(atlasId);
 112 }
 113
 114 const Toolkit::AtlasGlyphManager::Metrics& AtlasGlyphManager::GetMetrics()
 115 {
 116   return GetImplementation(*this).GetMetrics();
 117 }
 118
 119 void AtlasGlyphManager::AdjustReferenceCount(Text::FontId fontId, Text::GlyphIndex index, const GlyphStyle& style, int32_t delta)
 120 {
 121   GetImplementation(*this).AdjustReferenceCount(fontId, index, style, delta);
 122 }
 123
 124 } // namespace Toolkit
 125
 126 } // namespace Dali