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C# TIFF.tif_close方法代码示例

本文整理汇总了C#中Free.Ports.LibTiff.TIFF.tif_close方法的典型用法代码示例。如果您正苦于以下问题:C# TIFF.tif_close方法的具体用法?C# TIFF.tif_close怎么用?C# TIFF.tif_close使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Free.Ports.LibTiff.TIFF的用法示例。


在下文中一共展示了TIFF.tif_close方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: TIFFWriteDirectory

        // Write the contents of the current directory
        // to the specified file. This routine doesn't
        // handle overwriting a directory with auxiliary
        // storage that's been changed.
        static bool TIFFWriteDirectory(TIFF tif, bool done)
        {
            if(tif.tif_mode==O.RDONLY) return true;

            // Clear write state so that subsequent images with
            // different characteristics get the right buffers
            // setup for them.
            if(done)
            {
                if((tif.tif_flags&TIF_FLAGS.TIFF_POSTENCODE)!=0)
                {
                    tif.tif_flags&=~TIF_FLAGS.TIFF_POSTENCODE;
                    if(!tif.tif_postencode(tif))
                    {
                        TIFFErrorExt(tif.tif_clientdata, tif.tif_name, "Error post-encoding before directory write");
                        return false;
                    }
                }
                tif.tif_close(tif); // shutdown encoder

                // Flush any data that might have been written
                // by the compression close+cleanup routines.
                if(tif.tif_rawcc>0&&(tif.tif_flags&TIF_FLAGS.TIFF_BEENWRITING)!=0&&!TIFFFlushData1(tif))
                {
                    TIFFErrorExt(tif.tif_clientdata, tif.tif_name, "Error flushing data before directory write");
                    return false;
                }

                tif.tif_rawdata=null;
                tif.tif_rawcc=0;
                tif.tif_rawdatasize=0;

                tif.tif_flags&=~(TIF_FLAGS.TIFF_BEENWRITING|TIF_FLAGS.TIFF_BUFFERSETUP);
            }

            TIFFDirectory td=tif.tif_dir;

            // Some Irfan view versions don't like RowsPerStrip set in tiled tifs
            if(isTiled(tif)) TIFFClrFieldBit(tif, FIELD.ROWSPERSTRIP);

            // Size the directory so that we can calculate
            // offsets for the data items that aren't kept
            // in-place in each field.
            uint nfields=0;
            uint[] fields=new uint[FIELD_SETLONGS];
            for(FIELD b=0; b<=(FIELD)FIELD_LAST; b++)
            {
                if(TIFFFieldSet(tif, b)&&b!=FIELD.CUSTOM) nfields+=(b<FIELD.SUBFILETYPE?2u:1u);
            }

            nfields+=(uint)td.td_customValueCount;
            int dirsize=(int)nfields*12; // 12: sizeof(TIFFDirEntry);

            List<TIFFDirEntry> dirs=null;
            try
            {
                dirs=new List<TIFFDirEntry>();
                for(int i=0; i<nfields; i++) dirs.Add(new TIFFDirEntry());
            }
            catch
            {
                TIFFErrorExt(tif.tif_clientdata, tif.tif_name, "Cannot write directory, out of space");
                return false;
            }

            // Directory hasn't been placed yet, put
            // it at the end of the file and link it
            // into the existing directory structure.
            if(tif.tif_diroff==0&&!TIFFLinkDirectory(tif)) return false;

            //tif.tif_dataoff=(uint)(tif.tif_diroff+sizeof(uint16)+dirsize+sizeof(toff_t));
            tif.tif_dataoff=(uint)(tif.tif_diroff+2+dirsize+4);

            if((tif.tif_dataoff&1)==1) tif.tif_dataoff++;

            TIFFSeekFile(tif, tif.tif_dataoff, SEEK.SET);
            tif.tif_curdir++;

            // Setup external form of directory
            // entries and write data items.
            td.td_fieldsset.CopyTo(fields, 0);

            // Write out ExtraSamples tag only if
            // extra samples are present in the data.
            if(FieldSet(fields, FIELD.EXTRASAMPLES)&&td.td_extrasamples==0)
            {
                ResetFieldBit(fields, FIELD.EXTRASAMPLES);
                nfields--;
                dirsize-=12; // 12: sizeof(TIFFDirEntry);
            } // XXX

            int dirsnumber=0;
            TIFFTAG tag;
            foreach(TIFFFieldInfo fip in tif.tif_fieldinfo)
            {
                TIFFDirEntry dir=(dirsnumber<dirs.Count)?dir=dirs[dirsnumber]:null;
//.........这里部分代码省略.........
开发者ID:JoshDullen,项目名称:libtiffN,代码行数:101,代码来源:tif_dirwrite.cs


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