dali/devel-api/adaptor-framework/animated-image-loading.cpp

   1 /*
   2  * Copyright (c) 2020 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/devel-api/adaptor-framework/animated-image-loading.h>
  20
  21 // INTERNAL HEADER
  22 #include <dali/internal/imaging/common/animated-image-loading-impl.h>
  23 #include <dali/internal/imaging/common/gif-loading.h>
  24 #include <dali/internal/imaging/common/webp-loading.h>
  25
  26 namespace Dali
  27 {
  28
  29 AnimatedImageLoading::AnimatedImageLoading()
  30 {
  31 }
  32
  33 AnimatedImageLoading AnimatedImageLoading::New( const std::string& url, bool isLocalResource )
  34 {
  35   const std::size_t urlSize = url.length();
  36
  37   Internal::Adaptor::AnimatedImageLoadingPtr internal = NULL;
  38   if(urlSize >= 4){ // Avoid throwing out_of_range or failing silently if exceptions are turned-off on the compare(). (http://www.cplusplus.com/reference/string/string/compare/)
  39     if( !url.compare( urlSize - 4, 4, ".gif" )
  40         || !url.compare( urlSize - 4, 4, ".GIF" ) )
  41     {
  42       internal = Internal::Adaptor::GifLoading::New( url, isLocalResource );
  43     }
  44   }
  45   if(urlSize >= 5){ // Avoid throwing out_of_range or failing silently if exceptions are turned-off on the compare(). (http://www.cplusplus.com/reference/string/string/compare/)
  46     if( !url.compare( urlSize - 5, 5, ".webp" )
  47         || !url.compare( urlSize - 5, 5, ".WEBP" ) )
  48     {
  49       internal = Internal::Adaptor::WebPLoading::New( url, isLocalResource );
  50     }
  51   }
  52
  53   return AnimatedImageLoading( internal.Get() );
  54 }
  55
  56 AnimatedImageLoading AnimatedImageLoading::DownCast( BaseHandle handle )
  57 {
  58   return AnimatedImageLoading( dynamic_cast< Internal::Adaptor::AnimatedImageLoading* >( handle.GetObjectPtr() ) );
  59 }
  60
  61 AnimatedImageLoading::~AnimatedImageLoading()
  62 {
  63 }
  64
  65 bool AnimatedImageLoading::LoadNextNFrames( uint32_t frameStartIndex, int count, std::vector<Dali::PixelData>& pixelData )
  66 {
  67   return GetImplementation( *this ).LoadNextNFrames( frameStartIndex, count, pixelData );
  68 }
  69
  70 Dali::Devel::PixelBuffer AnimatedImageLoading::LoadFrame( uint32_t frameIndex )
  71 {
  72   return GetImplementation( *this ).LoadFrame( frameIndex );
  73 }
  74
  75 ImageDimensions AnimatedImageLoading::GetImageSize() const
  76 {
  77   return GetImplementation( *this ).GetImageSize();
  78 }
  79
  80 uint32_t AnimatedImageLoading::GetImageCount() const
  81 {
  82   return GetImplementation( *this ).GetImageCount();
  83 }
  84
  85 uint32_t AnimatedImageLoading::GetFrameInterval( uint32_t frameIndex ) const
  86 {
  87   return GetImplementation( *this ).GetFrameInterval( frameIndex );
  88 }
  89
  90 std::string AnimatedImageLoading::GetUrl() const
  91 {
  92   return GetImplementation( *this ).GetUrl();
  93 }
  94
  95 AnimatedImageLoading::AnimatedImageLoading( Internal::Adaptor::AnimatedImageLoading* internal )
  96 : BaseHandle( internal )
  97 {
  98 }
  99
 100 } // namespace Dali