//--------------------------------------------------------------------------- void File_Tiff::Read_Directory() { /* Each directory consist of 4 fields */ /* Get information for this directory */ Element_Begin0(); ifditem IfdItem; Get_X2 (IfdItem.Tag, "Tag"); Param_Info1(Tiff_Tag_Name(IfdItem.Tag)); Get_X2 (IfdItem.Type, "Type"); Param_Info1(Tiff_Type_Name(IfdItem.Type)); Get_X4 (IfdItem.Count, "Count"); Element_Name(Tiff_Tag_Name(IfdItem.Tag)); if (Tiff_Type_Size(IfdItem.Type)*IfdItem.Count<=4) { GetValueOffsetu(IfdItem); /* Padding up, skip dummy bytes */ if (Tiff_Type_Size(IfdItem.Type)==0) { if (Element_Offset+4<Element_Size) Skip_XX(Element_Size-(Element_Offset+4), "Unknown"); } else if (Tiff_Type_Size(IfdItem.Type)*IfdItem.Count<4) Skip_XX(Tiff_Type_Size(IfdItem.Type)*IfdItem.Count, "Padding"); } else { int32u IFDOffset; Get_X4 (IFDOffset, "IFDOffset"); IfdItems[IFDOffset]=IfdItem; } Element_End0(); }
//--------------------------------------------------------------------------- void File_Tiff::FileHeader_Parse() { //The only IFD that is known at forehand is the first one, it's offset is placed byte 4-7 in the file. int32u IFDOffset; Skip_B4( "Magic"); Get_X4 (IFDOffset, "IFDOffset"); FILLING_BEGIN(); //Initial IFD GoTo(IFDOffset, "TIFF"); FILLING_END(); }
//--------------------------------------------------------------------------- void File_Dpx::GenericSectionHeader_Cineon_ImageElement() { Element_Begin1("image element"); int32u Width, Height; Skip_B1( "Designator - Byte 0"); Skip_B1( "Designator - Byte 1"); Skip_B1( "Bits per pixel"); Skip_B1( "Unused"); Get_X4 (Width, "Pixels per line"); Get_X4 (Height, "Lines per image element"); Skip_BF4( "Minimum data value"); Skip_BF4( "Minimum quantity represented"); Skip_BF4( "Maximum data value"); Skip_BF4( "Maximum quantity represented"); Element_End0(); FILLING_BEGIN(); if (Frame_Count==0) { Fill(StreamKind_Last, StreamPos_Last, "Width", Width); Fill(StreamKind_Last, StreamPos_Last, "Height", Height); } FILLING_END(); }
//--------------------------------------------------------------------------- void File_Tiff::Data_Parse() { int32u IFDOffset=0; if (IfdItems.empty()) { //Default values Infos.clear(); Infos[Tiff_Tag::BitsPerSample]=__T("1"); //Parsing new IFD while (Element_Offset+8+4<Element_Size) Read_Directory(); Get_X4 (IFDOffset, "IFDOffset"); } else { //Handling remaining IFD data from a previous IFD GetValueOffsetu(IfdItems.begin()->second); //Parsing the IFD item IfdItems.erase(IfdItems.begin()->first); //Removing IFD item from the list of IFD items to parse } //Some items are not inside the directory, jumping to the offset if (!IfdItems.empty()) GoTo(IfdItems.begin()->first, "TIFF"); else { //This IFD is finished, filling data then going to next IFD Data_Parse_Fill(); if (IFDOffset) GoTo(IFDOffset, "TIFF"); else { Finish(); //No more IFDs GoToFromEnd(0); } } }
//--------------------------------------------------------------------------- void File_Dpx::GenericSectionHeader_Dpx() { Element_Name("Generic section header"); //Parsing Element_Begin1("File information"); std::string Version, CreationDate, Creator, Project, Copyright; int32u Size_Header, Size_Total, Size_Generic, Size_Industry, Size_User; Skip_String(4, "Magic number"); Get_X4 (Size_Header, "Offset to image data"); Get_String(8, Version, "Version number of header format"); Get_X4 (Size_Total, "Total image file size"); Skip_B4( "Ditto Key"); Get_X4 (Size_Generic, "Generic section header length"); Get_X4 (Size_Industry, "Industry specific header length"); Get_X4 (Size_User, "User-defined header length"); Skip_UTF8 (100, "FileName"); Get_String (24, CreationDate, "Creation Date"); Get_String (100, Creator, "Creator"); Get_String (200, Project, "Project"); Get_String (200, Copyright, "Right to use or copyright statement"); Skip_B4( "Encryption key"); Skip_XX(104, "Reserved for future use"); Element_End0(); Element_Begin1("Image information"); int32u Width, Height, PAR_H, PAR_V; int16u ImageElements; Info_B2(ImageOrientation, "Image orientation");Param_Info1(DPX_Orientation[ImageOrientation]); Get_X2 (ImageElements, "Number of image elements"); if (ImageElements>8) ImageElements=8; Get_X4 (Width, "Pixels per line"); Get_X4 (Height, "Lines per image element"); for(int16u ImageElement=0; ImageElement<ImageElements; ImageElement++) GenericSectionHeader_Dpx_ImageElement(); if (ImageElements!=8) Skip_XX((8-ImageElements)*72, "Padding"); Skip_XX(52, "Reserved for future use"); Element_End0(); Element_Begin1("Image source information"); Skip_B4( "X Offset"); Skip_B4( "Y Offset"); Skip_BF4( "X center"); Skip_BF4( "Y center"); Skip_B4( "X original size"); Skip_B4( "Y original size"); Skip_UTF8(100, "Source image filename"); Skip_UTF8(24, "Source image date/time"); Skip_UTF8(32, "Input device name"); Skip_UTF8(32, "Input device serial number"); Element_Begin1("Border validity"); Skip_B2( "XL border"); Skip_B2( "XR border"); Skip_B2( "YT border"); Skip_B2( "YB border"); Element_End0(); Get_X4 (PAR_H, "Pixel ratio : horizontal"); Get_X4 (PAR_V, "Pixel ratio : vertical"); Element_Begin1("Additional source image information"); Skip_BF4( "X scanned size"); Skip_BF4( "Y scanned size"); Skip_XX(20, "Reserved for future use"); Element_End0(); FILLING_BEGIN(); //Coherency tests if (File_Offset+Buffer_Offset+Size_Total!=Config->File_Current_Size) Size_Total=(int32u)(Config->File_Current_Size-(File_Offset+Buffer_Offset)); //The total size is bigger than the real size if (Size_Generic==(int32u)-1) Size_Generic=(int32u)Element_Size; if (Size_Industry==(int32u)-1) Size_Industry=0; if (Size_User==(int32u)-1) Size_User=0; if (Size_Generic+Size_Industry+Size_User>Size_Header || Size_Header>Size_Total) { Reject(); return; } //Filling sizes Sizes.push_back(Size_Header); Sizes.push_back(Size_Industry); Sizes.push_back(Size_User); Sizes.push_back(Size_Header-(Size_Generic+Size_Industry+Size_User)); //Size of padding Sizes.push_back(Size_Total-Size_Header); //Size of image //Filling meta if (Frame_Count==0) { Fill(Stream_General, 0, General_Encoded_Date, CreationDate); //ToDo: transform it in UTC Fill(StreamKind_Last, StreamPos_Last, "Encoded_Date", CreationDate); //ToDo: transform it in UTC Fill(Stream_General, 0, General_Encoded_Library, Creator); Fill(StreamKind_Last, StreamPos_Last, "Encoded_Library", Creator); Fill(Stream_General, 0, "Project", Project); //ToDo: map to a MediaInfo field (which one?) Fill(Stream_General, 0, General_Copyright, Copyright); Fill(StreamKind_Last, StreamPos_Last, "Format", "DPX"); if (Version.size()>2 && Version[0]=='V' && Version[1]>='0' && Version[2]<='9') Version.insert(1, "ersion "); Fill(StreamKind_Last, StreamPos_Last, "Format_Version", Version); Fill(Stream_General, 0, General_Format_Version, Version); Fill(StreamKind_Last, StreamPos_Last, "Width", Width); Fill(StreamKind_Last, StreamPos_Last, "Height", Height); if (PAR_V && PAR_H!=(int32u)-1 && PAR_V!=(int32u)-1) Fill(StreamKind_Last, StreamPos_Last, "PixelAspectRatio", ((float)PAR_H)/PAR_V); else Fill(StreamKind_Last, StreamPos_Last, "PixelAspectRatio", (float)1, 3); } FILLING_END(); }
//--------------------------------------------------------------------------- void File_Dpx::GenericSectionHeader_Cineon() { Element_Name("Generic section header"); //Parsing Element_Begin1("File information"); Ztring CreationDate, CreationTime; string Version; int32u Size_Header, Size_Total, Size_Generic, Size_Industry, Size_User; Skip_B4( "Magic number"); Get_X4 (Size_Header, "Offset to image data"); Get_X4 (Size_Generic, "Generic section header length"); Get_X4 (Size_Industry, "Industry specific header length"); Get_X4 (Size_User, "User-defined header length"); Get_X4 (Size_Total, "Total image file size"); Get_String(8, Version, "Version number of header format"); Skip_UTF8 (100, "FileName"); Get_UTF8 (12, CreationDate, "Creation Date"); Get_UTF8 (12, CreationTime, "Creation Time"); Skip_XX(36, "Reserved for future use"); Element_End0(); Element_Begin1("Image information"); int8u ImageElements; Info_B1(ImageOrientation, "Image orientation"); Param_Info1(DPX_Orientation[ImageOrientation>8?8:ImageOrientation]); Get_B1 (ImageElements, "Number of image elements"); Skip_B2( "Unused"); if (ImageElements>8) ImageElements=8; for(int8u ImageElement=0; ImageElement<ImageElements; ImageElement++) GenericSectionHeader_Cineon_ImageElement(); if (ImageElements!=8) Skip_XX((8-ImageElements)*28, "Padding"); Skip_BF4( "White point - x"); Skip_BF4( "White point - y"); Skip_BF4( "Red primary chromaticity - x"); Skip_BF4( "Red primary chromaticity - u"); Skip_BF4( "Green primary chromaticity - x"); Skip_BF4( "Green primary chromaticity - y"); Skip_BF4( "Blue primary chromaticity - x"); Skip_BF4( "Blue primary chromaticity - y"); Skip_UTF8(200, "Label text"); Skip_XX(28, "Reserved for future use"); Element_End0(); Element_Begin1("Image Data Format Information"); Skip_B1( "Data interleave"); Skip_B1( "Packing"); Skip_B1( "Data signed or unsigned"); Skip_B1( "Image sense"); Skip_B4( "End of line padding"); Skip_B4( "End of channel padding"); Skip_XX(20, "Reserved for future use"); Element_Begin1("Image Origination Information"); Skip_B4( "X offset"); Skip_B4( "Y offset"); Skip_UTF8 (100, "FileName"); Get_UTF8 (12, CreationDate, "Creation Date"); Get_UTF8 (12, CreationTime, "Creation Time"); Skip_UTF8(64, "Input device"); Skip_UTF8(32, "Input device model number"); Skip_UTF8(32, "Input device serial number"); Skip_BF4( "X input device pitch"); Skip_BF4( "Y input device pitch"); Skip_BF4( "Image gamma of capture device"); Skip_XX(40, "Reserved for future use"); Element_End0(); FILLING_BEGIN(); //Coherency tests if (File_Offset+Buffer_Offset+Size_Total>=Config->File_Current_Size) Size_Total=(int32u)(Config->File_Current_Size-(File_Offset+Buffer_Offset)); //The total size is bigger than the real size if (Size_Generic+Size_Industry+Size_User>Size_Header || Size_Header>Size_Total) { Reject(); return; } //Filling sizes Sizes.push_back(Size_Header); Sizes.push_back(Size_Industry); Sizes.push_back(Size_User); Sizes.push_back(Size_Header-(Size_Generic+Size_Industry+Size_User)); //Size of padding Sizes.push_back(Size_Total-Size_Header); //Size of image //Filling meta if (Frame_Count==0) { Fill(Stream_General, 0, General_Encoded_Date, CreationDate+__T(' ')+CreationTime); //ToDo: transform it in UTC Fill(StreamKind_Last, StreamPos_Last, "Encoded_Date", CreationDate+__T(' ')+CreationTime); //ToDo: transform it in UTC Fill(StreamKind_Last, StreamPos_Last, "Format", "Cineom"); if (Version.size()>2 && Version[0]=='V' && Version[1]>='0' && Version[2]<='9') Version.insert(1, "ersion "); Fill(StreamKind_Last, StreamPos_Last, "Format_Version", Version); Fill(Stream_General, 0, General_Format_Version, Version); } FILLING_END(); }