82 lines
2.2 KiB
ObjectPascal
82 lines
2.2 KiB
ObjectPascal
unit BrunsliDLL;
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interface
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uses
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InitCode,
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Utils, LibImport,
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WinAPI.Windows,
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System.SysUtils, System.Classes;
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const
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BRUNSLI_OK = 0;
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BRUNSLI_NON_REPRESENTABLE = 1;
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BRUNSLI_MEMORY_ERROR = 2;
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BRUNSLI_INVALID_PARAM = 3;
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BRUNSLI_COMPRESSION_ERROR = 4;
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BRUNSLI_INVALID_BRN = 5;
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BRUNSLI_DECOMPRESSION_ERROR = 6;
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BRUNSLI_NOT_ENOUGH_DATA = 7;
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type
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TBrunsliWriter = function(ctx: Pointer; data: Pointer; Size: NativeUInt)
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: Integer cdecl;
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var
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brunsli_alloc_JPEGData: function: Pointer cdecl;
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brunsli_free_JPEGData: procedure(P: Pointer)cdecl;
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brunsli_GetMaximumEncodedSize: function(P: Pointer): Integer cdecl;
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brunsli_ReadJpeg: function(P: Pointer; data: Pointer; len: Integer)
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: Integer cdecl;
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brunsli_EncodeJpeg: function(P: Pointer; data: Pointer; len: Integer)
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: Integer cdecl;
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brunsli_DecodeJpeg: function(P: Pointer; data: Pointer; len: Integer)
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: Integer cdecl;
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brunsli_alloc_JPEGOutput: function(P: TBrunsliWriter; data: Pointer)
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: Pointer cdecl;
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brunsli_free_JPEGOutput: procedure(P: Pointer)cdecl;
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brunsli_WriteJpeg: function(P: Pointer; oup: Pointer): Integer cdecl;
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DLLLoaded: Boolean = False;
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implementation
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var
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Lib: TLibImport;
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procedure Init;
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begin
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Lib := TLibImport.Create;
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Lib.LoadLib(ExpandPath(PluginsPath + 'brunsli.dll', True));
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if Lib.Loaded then
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begin
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@brunsli_alloc_JPEGData := Lib.GetProcAddr('brunsli_alloc_JPEGData');
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@brunsli_free_JPEGData := Lib.GetProcAddr('brunsli_free_JPEGData');
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@brunsli_GetMaximumEncodedSize :=
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Lib.GetProcAddr('brunsli_GetMaximumEncodedSize');
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@brunsli_ReadJpeg := Lib.GetProcAddr('brunsli_ReadJpeg');
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@brunsli_EncodeJpeg := Lib.GetProcAddr('brunsli_EncodeJpeg');
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@brunsli_DecodeJpeg := Lib.GetProcAddr('brunsli_DecodeJpeg');
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@brunsli_alloc_JPEGOutput := Lib.GetProcAddr('brunsli_alloc_JPEGOutput');
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@brunsli_free_JPEGOutput := Lib.GetProcAddr('brunsli_free_JPEGOutput');
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@brunsli_WriteJpeg := Lib.GetProcAddr('brunsli_WriteJpeg');
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DLLLoaded := Assigned(brunsli_alloc_JPEGData) and
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Assigned(brunsli_alloc_JPEGOutput);
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end;
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end;
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procedure Deinit;
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begin
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Lib.Free;
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end;
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initialization
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Init;
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finalization
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Deinit;
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end.
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