2 * Copyright (c) 2017 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.
18 #include "image-loading.h"
21 #include <dali/public-api/object/property-map.h>
22 #include "image-loaders/image-loader.h"
23 #include <resource-loader/network/file-download.h>
24 #include <platform-abstractions/portable/file-reader.h>
25 #include "pixel-buffer-impl.h"
35 // limit maximum image down load size to 50 MB
36 const size_t MAXIMUM_DOWNLOAD_IMAGE_SIZE = 50 * 1024 * 1024 ;
38 static unsigned int gMaxTextureSize = 4096;
42 Devel::PixelBuffer LoadImageFromFile( const std::string& url, ImageDimensions size, FittingMode::Type fittingMode, SamplingMode::Type samplingMode, bool orientationCorrection )
44 Integration::BitmapResourceType resourceType( size, fittingMode, samplingMode, orientationCorrection );
46 Internal::Platform::FileReader fileReader( url );
47 FILE * const fp = fileReader.GetFile();
50 Dali::Devel::PixelBuffer bitmap;
51 bool success = TizenPlatform::ImageLoader::ConvertStreamToBitmap( resourceType, url, fp, bitmap );
52 if( success && bitmap )
57 return Dali::Devel::PixelBuffer();
60 ImageDimensions GetClosestImageSize( const std::string& filename,
62 FittingMode::Type fittingMode,
63 SamplingMode::Type samplingMode,
64 bool orientationCorrection )
66 ImageDimensions dimension = TizenPlatform::ImageLoader::GetClosestImageSize( filename, size, fittingMode, samplingMode, orientationCorrection );
68 dimension.SetWidth( std::min( dimension.GetWidth(), static_cast< uint16_t >( GetMaxTextureSize() ) ) );
69 dimension.SetHeight( std::min( dimension.GetHeight(), static_cast< uint16_t >( GetMaxTextureSize() ) ) );
75 Devel::PixelBuffer DownloadImageSynchronously( const std::string& url, ImageDimensions size, FittingMode::Type fittingMode, SamplingMode::Type samplingMode, bool orientationCorrection )
77 Integration::BitmapResourceType resourceType( size, fittingMode, samplingMode, orientationCorrection );
80 Dali::Vector<uint8_t> dataBuffer;
83 succeeded = TizenPlatform::Network::DownloadRemoteFileIntoMemory( url, dataBuffer, dataSize,
84 MAXIMUM_DOWNLOAD_IMAGE_SIZE );
87 size_t blobSize = dataBuffer.Size();
89 DALI_ASSERT_DEBUG( blobSize > 0U );
93 // Open a file handle on the memory buffer:
94 Dali::Internal::Platform::FileReader fileReader( dataBuffer, blobSize );
95 FILE * const fp = fileReader.GetFile();
98 Dali::Devel::PixelBuffer bitmap;
99 bool result = TizenPlatform::ImageLoader::ConvertStreamToBitmap(
105 if ( result && bitmap )
111 DALI_LOG_WARNING( "Unable to decode bitmap supplied as in-memory blob.\n" );
116 return Dali::Devel::PixelBuffer();
119 void SetMaxTextureSize( unsigned int size )
121 gMaxTextureSize = size;
124 unsigned int GetMaxTextureSize()
126 return gMaxTextureSize;