tif_print.c

tiff文件开发库

		case FILLORDER_MSB2LSB:
			fprintf(fd, "msb-to-lsb\n");
			break;
		case FILLORDER_LSB2MSB:
			fprintf(fd, "lsb-to-msb\n");
			break;
		default:
			fprintf(fd, "%u (0x%x)\n",
			    td->td_fillorder, td->td_fillorder);
			break;
		}
	}
#ifdef YCBCR_SUPPORT
	if (TIFFFieldSet(tif,FIELD_YCBCRSUBSAMPLING))
        {
            /*
             * For hacky reasons (see tif_jpeg.c - JPEGFixupTestSubsampling),
             * we need to fetch this rather than trust what is in our
             * structures.
             */
            uint16 subsampling[2];

            TIFFGetField( tif, TIFFTAG_YCBCRSUBSAMPLING, 
                          subsampling + 0, subsampling + 1 );
		fprintf(fd, "  YCbCr Subsampling: %u, %u\n",
                        subsampling[0], subsampling[1] );
        }
	if (TIFFFieldSet(tif,FIELD_YCBCRPOSITIONING)) {
		fprintf(fd, "  YCbCr Positioning: ");
		switch (td->td_ycbcrpositioning) {
		case YCBCRPOSITION_CENTERED:
			fprintf(fd, "centered\n");
			break;
		case YCBCRPOSITION_COSITED:
			fprintf(fd, "cosited\n");
			break;
		default:
			fprintf(fd, "%u (0x%x)\n",
			    td->td_ycbcrpositioning, td->td_ycbcrpositioning);
			break;
		}
	}
	if (TIFFFieldSet(tif,FIELD_YCBCRCOEFFICIENTS))
		fprintf(fd, "  YCbCr Coefficients: %g, %g, %g\n",
		    td->td_ycbcrcoeffs[0],
		    td->td_ycbcrcoeffs[1],
		    td->td_ycbcrcoeffs[2]);
#endif
	if (TIFFFieldSet(tif,FIELD_HALFTONEHINTS))
		fprintf(fd, "  Halftone Hints: light %u dark %u\n",
		    td->td_halftonehints[0], td->td_halftonehints[1]);
	if (TIFFFieldSet(tif,FIELD_ARTIST))
		_TIFFprintAsciiTag(fd, "Artist", td->td_artist);
	if (TIFFFieldSet(tif,FIELD_DATETIME))
		_TIFFprintAsciiTag(fd, "Date & Time", td->td_datetime);
	if (TIFFFieldSet(tif,FIELD_HOSTCOMPUTER))
		_TIFFprintAsciiTag(fd, "Host Computer", td->td_hostcomputer);
	if (TIFFFieldSet(tif,FIELD_COPYRIGHT))
		_TIFFprintAsciiTag(fd, "Copyright", td->td_copyright);
	if (TIFFFieldSet(tif,FIELD_DOCUMENTNAME))
		_TIFFprintAsciiTag(fd, "Document Name", td->td_documentname);
	if (TIFFFieldSet(tif,FIELD_IMAGEDESCRIPTION))
		_TIFFprintAsciiTag(fd, "Image Description", td->td_imagedescription);
	if (TIFFFieldSet(tif,FIELD_MAKE))
		_TIFFprintAsciiTag(fd, "Make", td->td_make);
	if (TIFFFieldSet(tif,FIELD_MODEL))
		_TIFFprintAsciiTag(fd, "Model", td->td_model);
	if (TIFFFieldSet(tif,FIELD_ORIENTATION)) {
		fprintf(fd, "  Orientation: ");
		if (td->td_orientation < NORIENTNAMES)
			fprintf(fd, "%s\n", orientNames[td->td_orientation]);
		else
			fprintf(fd, "%u (0x%x)\n",
			    td->td_orientation, td->td_orientation);
	}
	if (TIFFFieldSet(tif,FIELD_SAMPLESPERPIXEL))
		fprintf(fd, "  Samples/Pixel: %u\n", td->td_samplesperpixel);
	if (TIFFFieldSet(tif,FIELD_ROWSPERSTRIP)) {
		fprintf(fd, "  Rows/Strip: ");
		if (td->td_rowsperstrip == (uint32) -1)
			fprintf(fd, "(infinite)\n");
		else
			fprintf(fd, "%lu\n", (u_long) td->td_rowsperstrip);
	}
	if (TIFFFieldSet(tif,FIELD_MINSAMPLEVALUE))
		fprintf(fd, "  Min Sample Value: %u\n", td->td_minsamplevalue);
	if (TIFFFieldSet(tif,FIELD_MAXSAMPLEVALUE))
		fprintf(fd, "  Max Sample Value: %u\n", td->td_maxsamplevalue);
	if (TIFFFieldSet(tif,FIELD_SMINSAMPLEVALUE))
		fprintf(fd, "  SMin Sample Value: %g\n",
		    td->td_sminsamplevalue);
	if (TIFFFieldSet(tif,FIELD_SMAXSAMPLEVALUE))
		fprintf(fd, "  SMax Sample Value: %g\n",
		    td->td_smaxsamplevalue);
	if (TIFFFieldSet(tif,FIELD_PLANARCONFIG)) {
		fprintf(fd, "  Planar Configuration: ");
		switch (td->td_planarconfig) {
		case PLANARCONFIG_CONTIG:
			fprintf(fd, "single image plane\n");
			break;
		case PLANARCONFIG_SEPARATE:
			fprintf(fd, "separate image planes\n");
			break;
		default:
			fprintf(fd, "%u (0x%x)\n",
			    td->td_planarconfig, td->td_planarconfig);
			break;
		}
	}
	if (TIFFFieldSet(tif,FIELD_PAGENAME))
		_TIFFprintAsciiTag(fd, "Page Name", td->td_pagename);
	if (TIFFFieldSet(tif,FIELD_PAGENUMBER))
		fprintf(fd, "  Page Number: %u-%u\n",
		    td->td_pagenumber[0], td->td_pagenumber[1]);
	if (TIFFFieldSet(tif,FIELD_COLORMAP)) {
		fprintf(fd, "  Color Map: ");
		if (flags & TIFFPRINT_COLORMAP) {
			fprintf(fd, "\n");
			n = 1L<<td->td_bitspersample;
			for (l = 0; l < n; l++)
				fprintf(fd, "   %5lu: %5u %5u %5u\n",
				    l,
				    td->td_colormap[0][l],
				    td->td_colormap[1][l],
				    td->td_colormap[2][l]);
		} else
			fprintf(fd, "(present)\n");
	}
#ifdef COLORIMETRY_SUPPORT
	if (TIFFFieldSet(tif,FIELD_WHITEPOINT))
		fprintf(fd, "  White Point: %g-%g\n",
		    td->td_whitepoint[0], td->td_whitepoint[1]);
	if (TIFFFieldSet(tif,FIELD_PRIMARYCHROMAS))
		fprintf(fd, "  Primary Chromaticities: %g,%g %g,%g %g,%g\n",
		    td->td_primarychromas[0], td->td_primarychromas[1],
		    td->td_primarychromas[2], td->td_primarychromas[3],
		    td->td_primarychromas[4], td->td_primarychromas[5]);
	if (TIFFFieldSet(tif,FIELD_REFBLACKWHITE)) {
		fprintf(fd, "  Reference Black/White:\n");
		for (i = 0; i < td->td_samplesperpixel; i++)
			fprintf(fd, "    %2d: %5g %5g\n",
			    i,
			    td->td_refblackwhite[2*i+0],
			    td->td_refblackwhite[2*i+1]);
	}
	if (TIFFFieldSet(tif,FIELD_TRANSFERFUNCTION)) {
		fprintf(fd, "  Transfer Function: ");
		if (flags & TIFFPRINT_CURVES) {
			fprintf(fd, "\n");
			n = 1L<<td->td_bitspersample;
			for (l = 0; l < n; l++) {
				fprintf(fd, "    %2lu: %5u",
				    l, td->td_transferfunction[0][l]);
				for (i = 1; i < td->td_samplesperpixel; i++)
					fprintf(fd, " %5u",
					    td->td_transferfunction[i][l]);
				fputc('\n', fd);
			}
		} else
			fprintf(fd, "(present)\n");
	}
#endif
#ifdef ICC_SUPPORT
	if (TIFFFieldSet(tif,FIELD_ICCPROFILE))
		fprintf(fd, "  ICC Profile: <present>, %lu bytes\n",
		    (u_long) td->td_profileLength);
#endif
#ifdef PHOTOSHOP_SUPPORT
 	if (TIFFFieldSet(tif,FIELD_PHOTOSHOP))
 		fprintf(fd, "  Photoshop Data: <present>, %lu bytes\n",
 		    (u_long) td->td_photoshopLength);
#endif
#ifdef IPTC_SUPPORT
 	if (TIFFFieldSet(tif,FIELD_RICHTIFFIPTC))
 		fprintf(fd, "  RichTIFFIPTC Data: <present>, %lu bytes\n",
 		    (u_long) td->td_richtiffiptcLength);
#endif
#if SUBIFD_SUPPORT
	if (TIFFFieldSet(tif, FIELD_SUBIFD)) {
		fprintf(fd, "  SubIFD Offsets:");
		for (i = 0; i < td->td_nsubifd; i++)
			fprintf(fd, " %5lu", (long) td->td_subifd[i]);
		fputc('\n', fd);
	}
#endif
        /*
        ** Custom tag support.
        */
        {
            int  i;
            short count;

            count = (short) TIFFGetTagListCount( tif );
            for( i = 0; i < count; i++ )
            {
                ttag_t  tag = TIFFGetTagListEntry( tif, i );
                const TIFFFieldInfo *fld;

                fld = TIFFFieldWithTag( tif, tag );
                if( fld == NULL )
                    continue;

                if( fld->field_passcount )
                {
                    short value_count;
                    int j;
                    void *raw_data;
                    
                    if( TIFFGetField( tif, tag, &value_count, &raw_data ) != 1 )
                        continue;

                    fprintf(fd, "  %s: ", fld->field_name );

                    for( j = 0; j < value_count; j++ )
                    {
			if( fld->field_type == TIFF_BYTE )
                            fprintf( fd, "%d",
                                     (int) ((char *) raw_data)[j] );
			else if( fld->field_type == TIFF_SHORT )
                            fprintf( fd, "%d",
                                     (int) ((short *) raw_data)[j] );
                        else if( fld->field_type == TIFF_LONG )
                            fprintf( fd, "%d",
                                     (int) ((long *) raw_data)[j] );
			else if( fld->field_type == TIFF_RATIONAL )
			    fprintf( fd, "%f",
				     ((float *) raw_data)[j] );
                        else if( fld->field_type == TIFF_ASCII )
                        {
                            fprintf( fd, "%s",
                                     (char *) raw_data );
                            break;
                        }
                        else if( fld->field_type == TIFF_DOUBLE )
                            fprintf( fd, "%f",
                                     ((double *) raw_data)[j] );
                        else if( fld->field_type == TIFF_FLOAT )
                            fprintf( fd, "%f",
                                     ((float *) raw_data)[j] );
                        else
                        {
                            fprintf( fd,
                                     "<unsupported data type in TIFFPrint>" );
                            break;
                        }

                        if( j < value_count-1 )
                            fprintf( fd, "," );
                    }
                    fprintf( fd, "\n" );
                } 
                else if( !fld->field_passcount
                         && fld->field_type == TIFF_ASCII )
                {
                    char *data;
                    
                    if( TIFFGetField( tif, tag, &data ) )
                        fprintf(fd, "  %s: %s\n", fld->field_name, data );
                }
            }
        }
        
	if (tif->tif_tagmethods.printdir)
		(*tif->tif_tagmethods.printdir)(tif, fd, flags);
	if ((flags & TIFFPRINT_STRIPS) &&
	    TIFFFieldSet(tif,FIELD_STRIPOFFSETS)) {
		tstrip_t s;

		fprintf(fd, "  %lu %s:\n",
		    (long) td->td_nstrips,
		    isTiled(tif) ? "Tiles" : "Strips");
		for (s = 0; s < td->td_nstrips; s++)
			fprintf(fd, "    %3lu: [%8lu, %8lu]\n",
			    (u_long) s,
			    (u_long) td->td_stripoffset[s],
			    (u_long) td->td_stripbytecount[s]);
	}
}

void
_TIFFprintAscii(FILE* fd, const char* cp)
{
	for (; *cp != '\0'; cp++) {
		const char* tp;

		if (isprint(*cp)) {
			fputc(*cp, fd);
			continue;
		}
		for (tp = "\tt\bb\rr\nn\vv"; *tp; tp++)
			if (*tp++ == *cp)
				break;
		if (*tp)
			fprintf(fd, "\\%c", *tp);
		else
			fprintf(fd, "\\%03o", *cp & 0xff);
	}
}

void
_TIFFprintAsciiTag(FILE* fd, const char* name, const char* value)
{
	fprintf(fd, "  %s: \"", name);
	_TIFFprintAscii(fd, value);
	fprintf(fd, "\"\n");
}