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tiff2pdf: "" causes the relevant argument not to be written

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fixes #44
This commit is contained in:
Thomas Bernard 2020-03-21 01:05:41 +01:00
parent 7c8dafc28c
commit f704878200
No known key found for this signature in database
GPG Key ID: 0FF11B67A5C0863C
1 changed files with 38 additions and 37 deletions
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73
tools/tiff2pdf.c
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@ -207,14 +207,19 @@ typedef struct {
char pdf_datetime[TIFF2PDF_DATETIME_SIZE];
#define TIFF2PDF_CREATOR_SIZE 512
char pdf_creator[TIFF2PDF_CREATOR_SIZE];
int pdf_creator_set;
#define TIFF2PDF_AUTHOR_SIZE 512
char pdf_author[TIFF2PDF_AUTHOR_SIZE];
int pdf_author_set;
#define TIFF2PDF_TITLE_SIZE 512
char pdf_title[TIFF2PDF_TITLE_SIZE];
int pdf_title_set;
#define TIFF2PDF_SUBJECT_SIZE 512
char pdf_subject[TIFF2PDF_SUBJECT_SIZE];
int pdf_subject_set;
#define TIFF2PDF_KEYWORDS_SIZE 512
char pdf_keywords[TIFF2PDF_KEYWORDS_SIZE];
int pdf_keywords_set;
t2p_cs_t pdf_colorspace;
uint16 pdf_colorspace_invert;
uint16 pdf_switchdecode;
@ -301,8 +306,8 @@ tsize_t t2p_sample_lab_signed_to_unsigned(tdata_t, uint32);
tsize_t t2p_write_pdf_header(T2P*, TIFF*);
tsize_t t2p_write_pdf_obj_start(uint32, TIFF*);
tsize_t t2p_write_pdf_obj_end(TIFF*);
tsize_t t2p_write_pdf_name(unsigned char*, TIFF*);
tsize_t t2p_write_pdf_string(char*, TIFF*);
tsize_t t2p_write_pdf_name(const unsigned char*, TIFF*);
tsize_t t2p_write_pdf_string(const char*, TIFF*);
tsize_t t2p_write_pdf_stream(tdata_t, tsize_t, TIFF*);
tsize_t t2p_write_pdf_stream_start(TIFF*);
tsize_t t2p_write_pdf_stream_end(TIFF*);
@ -718,22 +723,27 @@ int main(int argc, char** argv){
case 'c':
strncpy(t2p->pdf_creator, optarg, sizeof(t2p->pdf_creator) - 1);
t2p->pdf_creator[sizeof(t2p->pdf_creator) - 1] = '\0';
t2p->pdf_creator_set = 1;
break;
case 'a':
strncpy(t2p->pdf_author, optarg, sizeof(t2p->pdf_author) - 1);
t2p->pdf_author[sizeof(t2p->pdf_author) - 1] = '\0';
t2p->pdf_author_set = 1;
break;
case 't':
strncpy(t2p->pdf_title, optarg, sizeof(t2p->pdf_title) - 1);
t2p->pdf_title[sizeof(t2p->pdf_title) - 1] = '\0';
t2p->pdf_title_set = 1;
break;
case 's':
strncpy(t2p->pdf_subject, optarg, sizeof(t2p->pdf_subject) - 1);
t2p->pdf_subject[sizeof(t2p->pdf_subject) - 1] = '\0';
t2p->pdf_subject_set = 1;
break;
case 'k':
strncpy(t2p->pdf_keywords, optarg, sizeof(t2p->pdf_keywords) - 1);
t2p->pdf_keywords[sizeof(t2p->pdf_keywords) - 1] = '\0';
t2p->pdf_keywords_set = 1;
break;
case 'b':
t2p->pdf_image_interpolate = 1;
@ -3891,7 +3901,7 @@ tsize_t t2p_write_pdf_obj_end(TIFF* output){
This function writes a PDF name object to output.
*/
tsize_t t2p_write_pdf_name(unsigned char* name, TIFF* output){
tsize_t t2p_write_pdf_name(const unsigned char* name, TIFF* output){
tsize_t written=0;
uint32 i=0;
@ -3989,7 +3999,7 @@ tsize_t t2p_write_pdf_name(unsigned char* name, TIFF* output){
* This function writes a PDF string object to output.
*/
tsize_t t2p_write_pdf_string(char* pdfstr, TIFF* output)
tsize_t t2p_write_pdf_string(const char* pdfstr, TIFF* output)
{
tsize_t written = 0;
uint32 i = 0;
@ -4180,7 +4190,7 @@ tsize_t t2p_write_pdf_catalog(T2P* t2p, TIFF* output)
tsize_t t2p_write_pdf_info(T2P* t2p, TIFF* input, TIFF* output)
{
tsize_t written = 0;
char* info;
const char* info;
char buffer[512];
if(t2p->pdf_datetime[0] == '\0')
@ -4195,60 +4205,51 @@ tsize_t t2p_write_pdf_info(T2P* t2p, TIFF* input, TIFF* output)
snprintf(buffer, sizeof(buffer), "libtiff / tiff2pdf - %d", TIFFLIB_VERSION);
written += t2p_write_pdf_string(buffer, output);
written += t2pWriteFile(output, (tdata_t) "\n", 1);
if (!t2p->pdf_creator_set) {
if (TIFFGetField(input, TIFFTAG_SOFTWARE, &info) != 0 && info) {
strncpy(t2p->pdf_creator, info, sizeof(t2p->pdf_creator) - 1);
t2p->pdf_creator[sizeof(t2p->pdf_creator) - 1] = '\0';
}
}
if (t2p->pdf_creator[0] != '\0') {
written += t2pWriteFile(output, (tdata_t) "/Creator ", 9);
written += t2p_write_pdf_string(t2p->pdf_creator, output);
written += t2pWriteFile(output, (tdata_t) "\n", 1);
} else {
if (TIFFGetField(input, TIFFTAG_SOFTWARE, &info) != 0 && info) {
if(strlen(info) >= sizeof(t2p->pdf_creator))
info[sizeof(t2p->pdf_creator) - 1] = '\0';
written += t2pWriteFile(output, (tdata_t) "/Creator ", 9);
written += t2p_write_pdf_string(info, output);
written += t2pWriteFile(output, (tdata_t) "\n", 1);
}
if (!t2p->pdf_author_set) {
if ((TIFFGetField(input, TIFFTAG_ARTIST, &info) != 0
|| TIFFGetField(input, TIFFTAG_COPYRIGHT, &info) != 0)
&& info) {
strncpy(t2p->pdf_author, info, sizeof(t2p->pdf_author) - 1);
t2p->pdf_author[sizeof(t2p->pdf_author) - 1] = '\0';
}
}
if (t2p->pdf_author[0] != '\0') {
written += t2pWriteFile(output, (tdata_t) "/Author ", 8);
written += t2p_write_pdf_string(t2p->pdf_author, output);
written += t2pWriteFile(output, (tdata_t) "\n", 1);
} else {
if ((TIFFGetField(input, TIFFTAG_ARTIST, &info) != 0
|| TIFFGetField(input, TIFFTAG_COPYRIGHT, &info) != 0)
&& info) {
if (strlen(info) >= sizeof(t2p->pdf_author))
info[sizeof(t2p->pdf_author) - 1] = '\0';
written += t2pWriteFile(output, (tdata_t) "/Author ", 8);
written += t2p_write_pdf_string(info, output);
written += t2pWriteFile(output, (tdata_t) "\n", 1);
}
if (!t2p->pdf_title_set) {
if (TIFFGetField(input, TIFFTAG_DOCUMENTNAME, &info) != 0 && info) {
strncpy(t2p->pdf_title, info, sizeof(t2p->pdf_title) - 1);
t2p->pdf_title[sizeof(t2p->pdf_title) - 1] = '\0';
}
}
if (t2p->pdf_title[0] != '\0') {
written += t2pWriteFile(output, (tdata_t) "/Title ", 7);
written += t2p_write_pdf_string(t2p->pdf_title, output);
written += t2pWriteFile(output, (tdata_t) "\n", 1);
} else {
if (TIFFGetField(input, TIFFTAG_DOCUMENTNAME, &info) != 0){
if(strlen(info) > 511) {
info[512] = '\0';
}
written += t2pWriteFile(output, (tdata_t) "/Title ", 7);
written += t2p_write_pdf_string(info, output);
written += t2pWriteFile(output, (tdata_t) "\n", 1);
if (!t2p->pdf_subject_set) {
if (TIFFGetField(input, TIFFTAG_IMAGEDESCRIPTION, &info) != 0 && info) {
strncpy(t2p->pdf_subject, info, sizeof(t2p->pdf_subject) - 1);
t2p->pdf_subject[sizeof(t2p->pdf_subject) - 1] = '\0';
}
}
if (t2p->pdf_subject[0] != '\0') {
written += t2pWriteFile(output, (tdata_t) "/Subject ", 9);
written += t2p_write_pdf_string(t2p->pdf_subject, output);
written += t2pWriteFile(output, (tdata_t) "\n", 1);
} else {
if (TIFFGetField(input, TIFFTAG_IMAGEDESCRIPTION, &info) != 0 && info) {
if (strlen(info) >= sizeof(t2p->pdf_subject))
info[sizeof(t2p->pdf_subject) - 1] = '\0';
written += t2pWriteFile(output, (tdata_t) "/Subject ", 9);
written += t2p_write_pdf_string(info, output);
written += t2pWriteFile(output, (tdata_t) "\n", 1);
}
}
if (t2p->pdf_keywords[0] != '\0') {
written += t2pWriteFile(output, (tdata_t) "/Keywords ", 10);