1 #ifndef __DALI_TOOLKIT_ATLAS_MANAGER_IMPL_H__
2 #define __DALI_TOOLKIT_ATLAS_MANAGER_IMPL_H__
5 * Copyright (c) 2015 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/common/vector-wrapper.h>
23 #include <dali/public-api/object/base-object.h>
26 #include <dali-toolkit/internal/atlas-manager/atlas-manager.h>
36 } // namespace Toolkit
44 typedef Dali::Vector< Toolkit::AtlasManager::AtlasSlot > slotContainer;
47 typedef IntrusivePtr<AtlasManager> AtlasManagerPtr;
49 class AtlasManager : public Dali::BaseObject
53 typedef uint32_t SizeType;
54 typedef SizeType AtlasId;
55 typedef SizeType ImageId;
58 * @brief Internal storage of atlas attributes and image upload results
60 struct AtlasDescriptor
62 Dali::Atlas mAtlas; // atlas image
63 Toolkit::AtlasManager::AtlasSize mSize; // size of atlas
64 Pixel::Format mPixelFormat; // pixel format used by atlas
65 BufferImage mHorizontalStrip; // Image used to pad upload
66 BufferImage mVerticalStrip; // Image used to pad upload
67 BufferImage mFilledPixelImage; // Image used by atlas for operations such as underline
68 PixelBuffer* mStripBuffer; // Blank image buffer used to pad upload
69 Material mMaterial; // material used for atlas texture
70 SizeType mNextFreeBlock; // next free block will be placed here ( actually +1 )
71 Dali::Vector< SizeType > mFreeBlocksList; // unless there are any previously freed blocks
74 struct AtlasSlotDescriptor
76 SizeType mCount; // Reference count for this slot
77 SizeType mImageWidth; // Width of image stored
78 SizeType mImageHeight; // Height of image stored
79 AtlasId mAtlasId; // Image is stored in this Atlas
80 Dali::Vector< SizeType > mBlocksList; // List of blocks within atlas used for image
86 * Create a new AtlasManager
88 static AtlasManagerPtr New();
90 virtual ~AtlasManager();
93 * @copydoc: Toolkit::AtlasManager::CreateAtlas
95 AtlasId CreateAtlas( const Toolkit::AtlasManager::AtlasSize& size, Pixel::Format pixelformat );
98 * @copydoc Toolkit::AtlasManager::SetAddPolicy
100 void SetAddPolicy( Toolkit::AtlasManager::AddFailPolicy policy );
103 * @copydoc Toolkit::AtlasManager::Add
105 void Add( const BufferImage& image,
106 Toolkit::AtlasManager::AtlasSlot& slot,
107 Toolkit::AtlasManager::AtlasId atlas );
110 * @copydoc Toolkit::AtlasManager::GenerateMeshData
112 void GenerateMeshData( ImageId id,
113 const Vector2& position,
117 * @copydoc Toolkit::AtlasManager::StitchMesh
119 void StitchMesh( MeshData& first,
120 const MeshData& second,
124 * @copydoc Toolkit::AtlasManager::StitchMesh
126 void StitchMesh( const MeshData& first,
127 const MeshData& second,
128 MeshData& out, bool optimize );
131 * @copydoc Toolkit::AtlasManager::Remove
133 bool Remove( ImageId id );
136 * @copydoc Toolkit::AtlasManager::GetAtlasContainer
138 Dali::Atlas GetAtlasContainer( AtlasId atlas ) const;
141 * @copydoc Toolkit::AtlasManager::GetAtlas
143 AtlasId GetAtlas( ImageId id ) const;
146 * @copydoc Toolkit::AtlasManager::SetNewAtlasSize
148 void SetNewAtlasSize( const Toolkit::AtlasManager::AtlasSize& size );
151 * @copydoc Toolkit::AtlasManager::GetAtlasSize
153 const Toolkit::AtlasManager::AtlasSize& GetAtlasSize( AtlasId atlas );
156 * @copydoc Toolkit::AtlasManager::GetBlockSize
158 Vector2 GetBlockSize( AtlasId atlas );
161 * @copydoc Toolkit::AtlasManager::GetFreeBlocks
163 SizeType GetFreeBlocks( AtlasId atlas ) const;
166 * @copydoc Toolkit::AtlasManager::GetAtlasCount
168 SizeType GetAtlasCount() const;
171 * @copydoc Toolkit::AtlasManager::GetPixelFormat
173 Pixel::Format GetPixelFormat( AtlasId atlas );
176 * @copydoc Toolkit::AtlasManager::GetMetrics
178 void GetMetrics( Toolkit::AtlasManager::Metrics& metrics );
182 std::vector< AtlasDescriptor > mAtlasList; // List of atlases created
183 std::vector< AtlasSlotDescriptor > mImageList; // List of bitmaps store in atlases
185 SizeType CheckAtlas( SizeType atlas,
188 Pixel::Format pixelFormat,
190 SizeType& totalBlocks );
192 void CreateMesh( SizeType atlas,
194 SizeType imageHeight,
195 const Vector2& position,
196 SizeType widthInBlocks,
197 SizeType heightInBlocks,
198 Dali::MeshData& meshData,
199 AtlasSlotDescriptor& desc );
201 void OptimizeVertices( const MeshData::VertexContainer& in,
202 MeshData::FaceIndices& faces,
203 MeshData::VertexContainer& out );
205 void UploadImage( const BufferImage& image,
206 const AtlasSlotDescriptor& desc );
208 void PrintMeshData( const MeshData& meshData );
210 Toolkit::AtlasManager::AtlasSize mNewAtlasSize;
211 Toolkit::AtlasManager::AddFailPolicy mAddFailPolicy;
212 uint32_t mFilledPixel;
215 } // namespace Internal
217 inline const Internal::AtlasManager& GetImplementation(const Toolkit::AtlasManager& manager)
219 DALI_ASSERT_ALWAYS( manager && "AtlasManager handle is empty" );
221 const BaseObject& handle = manager.GetBaseObject();
223 return static_cast<const Internal::AtlasManager&>(handle);
226 inline Internal::AtlasManager& GetImplementation(Toolkit::AtlasManager& manager)
228 DALI_ASSERT_ALWAYS( manager && "AtlasManager handle is empty" );
230 BaseObject& handle = manager.GetBaseObject();
232 return static_cast<Internal::AtlasManager&>(handle);
235 } // namespace Toolkit
240 #endif // __DALI_TOOLKIT_ATLAS_MANAGER_IMPL_H__