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/* Copyright (c) MediaArea.net SARL. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license that can
* be found in the License.html file in the root of the source tree.
*/
//---------------------------------------------------------------------------
// Pre-compilation
#include "MediaInfo/PreComp.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
//---------------------------------------------------------------------------
//---------------------------------------------------------------------------
#include "MediaInfo/Setup.h"
//---------------------------------------------------------------------------
//---------------------------------------------------------------------------
#if defined(MEDIAINFO_ICO_YES)
//---------------------------------------------------------------------------
//---------------------------------------------------------------------------
#include "MediaInfo/Image/File_Ico.h"
//---------------------------------------------------------------------------
namespace MediaInfoLib
{
//***************************************************************************
// Constructor/Destructor
//***************************************************************************
//---------------------------------------------------------------------------
File_Ico::File_Ico()
{
IcoDataSize=0;
}
//***************************************************************************
// Streams management
//***************************************************************************
//---------------------------------------------------------------------------
void File_Ico::Streams_Fill()
{
Fill(Stream_General, 0, General_Format, Type==1?"ICO":"CUR");
for (size_t Pos=0; Pos<Streams.size(); Pos++)
{
Stream_Prepare(Stream_Image);
Fill(Stream_Image, StreamPos_Last, Image_Width, Streams[Pos].Width?Streams[Pos].Width:256);
Fill(Stream_Image, StreamPos_Last, Image_Height, Streams[Pos].Height?Streams[Pos].Height:256);
if (Type==1)
Fill(Stream_Image, StreamPos_Last, Image_BitDepth, Streams[Pos].BitsPerPixel);
Fill(Stream_Image, StreamPos_Last, Image_StreamSize, Streams[Pos].Size);
}
}
//***************************************************************************
// Buffer - File header
//***************************************************************************
//---------------------------------------------------------------------------
bool File_Ico::FileHeader_Begin()
{
//Element_Size
if (Buffer_Size<4)
return false; //Must wait for more data
if (CC2(Buffer) || (LittleEndian2int16u(Buffer+2)!=1 && LittleEndian2int16u(Buffer+2)!=2))
{
Reject("ICO");
return false;
}
//All should be OK...
return true;
}
//---------------------------------------------------------------------------
void File_Ico::FileHeader_Parse()
{
//Parsing
Skip_L2( "Reserved");
Get_L2 (Type, "Type");
Get_L2 (Count, "Count");
}
//***************************************************************************
// Buffer - Per element
//***************************************************************************
//---------------------------------------------------------------------------
void File_Ico::Header_Parse()
{
Header_Fill_Size(16);
Header_Fill_Code(0, "Directory");
}
//---------------------------------------------------------------------------
void File_Ico::Data_Parse()
{
//Parsing
int32u Size, Offset;
int16u BitsPerPixel;
int8u Width, Height;
Get_L1 (Width, "Width");
Get_L1 (Height, "Height");
Skip_L1( "Colour count");
Skip_L1( "Reserved");
Skip_L2( Type==1?"Colour planes":"X hotspot");
Get_L2 (BitsPerPixel, Type==1?"Bits per pixel":"Y hotspot");
Get_L4 (Size, "Size of the bitmap data");
Get_L4 (Offset, "Offset of the bitmap data");
FILLING_BEGIN_PRECISE();
stream Stream;
Stream.Width=Width;
Stream.Height=Height;
Stream.BitsPerPixel=BitsPerPixel;
Stream.Size=Size;
Stream.Offset=Offset;
Streams.push_back(Stream);
IcoDataSize+=Size;
if (Offset>File_Size || File_Offset+Buffer_Offset+Element_Size+IcoDataSize>File_Size)
Reject("ICO");
Count--;
if (Count==0)
{
if (File_Offset+Buffer_Offset+Element_Size+IcoDataSize!=File_Size)
Reject("ICO");
else
{
Accept("ICO");
Finish("ICO");
}
}
FILLING_END();
}
//***************************************************************************
//
//***************************************************************************
} //NameSpace
#endif
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