2 * Copyright (c) 2016 Samsung Electronics Co., Ltd.
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
19 #include "image-atlas-manager.h"
22 #include <dali/devel-api/images/texture-set-image.h>
23 #include <dali/public-api/images/resource-image.h>
36 const uint32_t DEFAULT_ATLAS_SIZE( 1024u ); // this size can fit 8 by 8 images of average size 128*128
37 const uint32_t MAX_ITEM_SIZE( 512u );
38 const uint32_t MAX_ITEM_AREA( MAX_ITEM_SIZE*MAX_ITEM_SIZE );
41 ImageAtlasManager::ImageAtlasManager()
42 : mBrokenImageUrl( "" )
46 ImageAtlasManager::~ImageAtlasManager()
50 TextureSet ImageAtlasManager::Add( Vector4& textureRect,
51 const std::string& url,
53 FittingMode::Type fittingMode,
54 bool orientationCorrection )
56 ImageDimensions dimensions = size;
60 dimensions = ResourceImage::GetImageSize( url );
63 // big image, atlasing is not applied
64 if( static_cast<uint32_t>(dimensions.GetWidth()) * static_cast<uint32_t>(dimensions.GetHeight()) > MAX_ITEM_AREA
65 || dimensions.GetWidth()>DEFAULT_ATLAS_SIZE
66 || dimensions.GetHeight()>DEFAULT_ATLAS_SIZE)
72 for( AtlasContainer::iterator iter = mAtlasList.begin(); iter != mAtlasList.end(); ++iter)
74 if( (*iter).Upload( textureRect, url, size, fittingMode, orientationCorrection ) )
76 return mTextureSetList[i];
82 mAtlasList.back().Upload( textureRect, url, size, fittingMode, orientationCorrection );
83 return mTextureSetList.back();
86 TextureSet ImageAtlasManager::Add( Vector4& textureRect,
90 // big buffer, atlasing is not applied
91 if( static_cast<uint32_t>(pixelData.GetWidth()) * static_cast<uint32_t>(pixelData.GetHeight()) > MAX_ITEM_AREA
92 || pixelData.GetWidth()>DEFAULT_ATLAS_SIZE
93 || pixelData.GetHeight()>DEFAULT_ATLAS_SIZE )
99 for( AtlasContainer::iterator iter = mAtlasList.begin(); iter != mAtlasList.end(); ++iter)
101 if( (*iter).Upload( textureRect, pixelData ) )
103 return mTextureSetList[i];
109 mAtlasList.back().Upload( textureRect, pixelData );
110 return mTextureSetList.back();
114 void ImageAtlasManager::Remove( TextureSet textureSet, const Vector4& textureRect )
117 for( TextureSetContainer::iterator iter = mTextureSetList.begin(); iter != mTextureSetList.end(); ++iter)
119 if( (*iter) == textureSet )
121 mAtlasList[i].Remove(textureRect);
128 void ImageAtlasManager::SetBrokenImage( const std::string& brokenImageUrl )
130 if( !brokenImageUrl.empty() )
132 mBrokenImageUrl = brokenImageUrl;
136 void ImageAtlasManager::CreateNewAtlas()
138 Toolkit::ImageAtlas newAtlas = Toolkit::ImageAtlas::New( DEFAULT_ATLAS_SIZE, DEFAULT_ATLAS_SIZE );
139 if( !mBrokenImageUrl.empty() )
141 newAtlas.SetBrokenImage( mBrokenImageUrl );
143 mAtlasList.push_back( newAtlas );
144 TextureSet textureSet = TextureSet::New();
145 TextureSetImage( textureSet, 0u, newAtlas.GetAtlas() );
146 mTextureSetList.push_back( textureSet );
149 } // namespace Internal
151 } // namespace Toolkit