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113 lines
4.7 KiB
113 lines
4.7 KiB
--- a/libtiff/tif_dir.c
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+++ b/libtiff/tif_dir.c
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@@ -1067,6 +1067,9 @@ _TIFFVGetField(TIFF* tif, uint32 tag, va
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if (td->td_samplesperpixel - td->td_extrasamples > 1) {
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*va_arg(ap, uint16**) = td->td_transferfunction[1];
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*va_arg(ap, uint16**) = td->td_transferfunction[2];
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+ } else {
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+ *va_arg(ap, uint16**) = NULL;
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+ *va_arg(ap, uint16**) = NULL;
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}
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break;
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case TIFFTAG_REFERENCEBLACKWHITE:
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--- a/tools/tiff2pdf.c
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+++ b/tools/tiff2pdf.c
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@@ -237,7 +237,7 @@ typedef struct {
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float tiff_whitechromaticities[2];
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float tiff_primarychromaticities[6];
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float tiff_referenceblackwhite[2];
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- float* tiff_transferfunction[3];
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+ uint16* tiff_transferfunction[3];
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int pdf_image_interpolate; /* 0 (default) : do not interpolate,
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1 : interpolate */
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uint16 tiff_transferfunctioncount;
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@@ -1047,6 +1047,8 @@ void t2p_read_tiff_init(T2P* t2p, TIFF*
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uint16 pagen=0;
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uint16 paged=0;
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uint16 xuint16=0;
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+ uint16 tiff_transferfunctioncount=0;
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+ uint16* tiff_transferfunction[3];
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directorycount=TIFFNumberOfDirectories(input);
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t2p->tiff_pages = (T2P_PAGE*) _TIFFmalloc(TIFFSafeMultiply(tmsize_t,directorycount,sizeof(T2P_PAGE)));
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@@ -1147,26 +1149,48 @@ void t2p_read_tiff_init(T2P* t2p, TIFF*
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}
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#endif
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if (TIFFGetField(input, TIFFTAG_TRANSFERFUNCTION,
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- &(t2p->tiff_transferfunction[0]),
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- &(t2p->tiff_transferfunction[1]),
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- &(t2p->tiff_transferfunction[2]))) {
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- if((t2p->tiff_transferfunction[1] != (float*) NULL) &&
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- (t2p->tiff_transferfunction[2] != (float*) NULL) &&
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- (t2p->tiff_transferfunction[1] !=
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- t2p->tiff_transferfunction[0])) {
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- t2p->tiff_transferfunctioncount = 3;
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- t2p->tiff_pages[i].page_extra += 4;
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- t2p->pdf_xrefcount += 4;
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- } else {
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- t2p->tiff_transferfunctioncount = 1;
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- t2p->tiff_pages[i].page_extra += 2;
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- t2p->pdf_xrefcount += 2;
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- }
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- if(t2p->pdf_minorversion < 2)
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- t2p->pdf_minorversion = 2;
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+ &(tiff_transferfunction[0]),
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+ &(tiff_transferfunction[1]),
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+ &(tiff_transferfunction[2]))) {
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+
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+ if((tiff_transferfunction[1] != (uint16*) NULL) &&
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+ (tiff_transferfunction[2] != (uint16*) NULL)
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+ ) {
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+ tiff_transferfunctioncount=3;
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+ } else {
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+ tiff_transferfunctioncount=1;
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+ }
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} else {
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- t2p->tiff_transferfunctioncount=0;
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+ tiff_transferfunctioncount=0;
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}
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+
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+ if (i > 0){
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+ if (tiff_transferfunctioncount != t2p->tiff_transferfunctioncount){
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+ TIFFError(
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+ TIFF2PDF_MODULE,
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+ "Different transfer function on page %d",
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+ i);
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+ t2p->t2p_error = T2P_ERR_ERROR;
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+ return;
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+ }
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+ }
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+
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+ t2p->tiff_transferfunctioncount = tiff_transferfunctioncount;
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+ t2p->tiff_transferfunction[0] = tiff_transferfunction[0];
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+ t2p->tiff_transferfunction[1] = tiff_transferfunction[1];
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+ t2p->tiff_transferfunction[2] = tiff_transferfunction[2];
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+ if(tiff_transferfunctioncount == 3){
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+ t2p->tiff_pages[i].page_extra += 4;
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+ t2p->pdf_xrefcount += 4;
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+ if(t2p->pdf_minorversion < 2)
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+ t2p->pdf_minorversion = 2;
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+ } else if (tiff_transferfunctioncount == 1){
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+ t2p->tiff_pages[i].page_extra += 2;
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+ t2p->pdf_xrefcount += 2;
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+ if(t2p->pdf_minorversion < 2)
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+ t2p->pdf_minorversion = 2;
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+ }
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+
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if( TIFFGetField(
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input,
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TIFFTAG_ICCPROFILE,
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@@ -1827,10 +1851,9 @@ void t2p_read_tiff_data(T2P* t2p, TIFF*
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&(t2p->tiff_transferfunction[0]),
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&(t2p->tiff_transferfunction[1]),
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&(t2p->tiff_transferfunction[2]))) {
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- if((t2p->tiff_transferfunction[1] != (float*) NULL) &&
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- (t2p->tiff_transferfunction[2] != (float*) NULL) &&
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- (t2p->tiff_transferfunction[1] !=
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- t2p->tiff_transferfunction[0])) {
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+ if((t2p->tiff_transferfunction[1] != (uint16*) NULL) &&
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+ (t2p->tiff_transferfunction[2] != (uint16*) NULL)
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+ ) {
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t2p->tiff_transferfunctioncount=3;
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} else {
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t2p->tiff_transferfunctioncount=1;
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