dali/internal/imaging/common/loader-webp.cpp

   1 /*
   2  * Copyright (c) 2022 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 // HEADER
  19 #include <dali/internal/imaging/common/loader-webp.h>
  20
  21 // INTERNAL INCLUDES
  22 #include <dali/devel-api/adaptor-framework/pixel-buffer.h>
  23 #include <dali/internal/imaging/common/webp-loading.h>
  24
  25 namespace Dali
  26 {
  27 namespace TizenPlatform
  28 {
  29 namespace
  30 {
  31 constexpr uint32_t FIRST_FRAME_INDEX = 0u;
  32 }
  33
  34 bool LoadWebpHeader(const Dali::ImageLoader::Input& input, unsigned int& width, unsigned int& height)
  35 {
  36   FILE* const                fp          = input.file;
  37   Dali::AnimatedImageLoading webPLoading = Dali::AnimatedImageLoading(Dali::Internal::Adaptor::WebPLoading::New(fp).Get());
  38   if(webPLoading)
  39   {
  40     ImageDimensions imageSize = webPLoading.GetImageSize();
  41     if(webPLoading.HasLoadingSucceeded())
  42     {
  43       width  = imageSize.GetWidth();
  44       height = imageSize.GetHeight();
  45       return true;
  46     }
  47   }
  48   return false;
  49 }
  50
  51 bool LoadBitmapFromWebp(const Dali::ImageLoader::Input& input, Dali::Devel::PixelBuffer& bitmap)
  52 {
  53   FILE* const                fp          = input.file;
  54   Dali::AnimatedImageLoading webPLoading = Dali::AnimatedImageLoading(Dali::Internal::Adaptor::WebPLoading::New(fp).Get());
  55   if(webPLoading)
  56   {
  57     Dali::Devel::PixelBuffer pixelBuffer = webPLoading.LoadFrame(FIRST_FRAME_INDEX);
  58     if(pixelBuffer && webPLoading.HasLoadingSucceeded())
  59     {
  60       bitmap = pixelBuffer;
  61       return true;
  62     }
  63   }
  64   return false;
  65 }
  66
  67 } // namespace TizenPlatform
  68
  69 } // namespace Dali