git.sesse.net Git - casparcg/blob - core/producer/image/image_loader.cpp

   1 #include "..\..\StdAfx.h"\r
   2 \r
   3 #include "image_loader.h"\r
   4 \r
   5 #include "../../../common/exception/Exceptions.h"\r
   6 \r
   7 #include "../../frame/gpu_frame.h"\r
   8 #include "../../../common/image/image.h"\r
   9 \r
  10 #if defined(_MSC_VER)\r
  11 #pragma warning (disable : 4714) // marked as __forceinline not inlined\r
  12 #endif\r
  13 \r
  14 #include <boost/filesystem.hpp>\r
  15 #include <boost/exception/errinfo_file_name.hpp>\r
  16 \r
  17 namespace caspar{ namespace image{\r
  18 \r
  19 std::shared_ptr<FIBITMAP> load_image(const std::string& filename)\r
  20 {\r
  21         if(!boost::filesystem::exists(filename))\r
  22                 BOOST_THROW_EXCEPTION(file_not_found() << boost::errinfo_file_name(filename));\r
  23 \r
  24         FREE_IMAGE_FORMAT fif = FIF_UNKNOWN;\r
  25         fif = FreeImage_GetFileType(filename.c_str(), 0);\r
  26         if(fif == FIF_UNKNOWN) \r
  27                 fif = FreeImage_GetFIFFromFilename(filename.c_str());\r
  28                 \r
  29         if(fif == FIF_UNKNOWN || !FreeImage_FIFSupportsReading(fif)) \r
  30                 BOOST_THROW_EXCEPTION(invalid_argument() << msg_info("Unsupported image format."));\r
  31                 \r
  32         auto bitmap = std::shared_ptr<FIBITMAP>(FreeImage_Load(fif, filename.c_str(), 0), FreeImage_Unload);\r
  33         //FREE_IMAGE_TYPE ImageType = FreeImage_GetImageType(bitmap.get());\r
  34                   \r
  35         if(FreeImage_GetBPP(bitmap.get()) != 32)\r
  36         {\r
  37                 bitmap = std::shared_ptr<FIBITMAP>(FreeImage_ConvertTo32Bits(bitmap.get()), FreeImage_Unload);\r
  38                 if(!bitmap)\r
  39                         BOOST_THROW_EXCEPTION(invalid_argument() << msg_info("Unsupported image format."));                     \r
  40         }\r
  41         \r
  42         return bitmap;\r
  43 }\r
  44 \r
  45 std::shared_ptr<FIBITMAP> load_image(const std::wstring& filename)\r
  46 {\r
  47         return load_image(common::narrow(filename));\r
  48 }\r
  49 \r
  50 }}